flaneth

initial commit after making CF identify work
Stefan Schuermans

Stefan Schuermans commited on 2012-04-15 19:57:57
Showing 166 changed files, with 25630 additions and 0 deletions.

.gitignore
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+*.tar.bz2
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+*.zip
electrics/.gitignore
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+flaneth.calc.ods.pdf
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+flaneth.net
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+flaneth.ods.pdf
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+flaneth.pcb.pdf
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+flaneth.sch.pdf
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+flaneth.t2l.pcb
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+flaneth.t2l.pcb.pdf
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+gerber
electrics/ChangeLog
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+0.1.3 2008-06-08
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+----------------
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+fixed power connectin in PCB
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+
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+0.1.2 2008-02-05
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+----------------
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+added option to use LF1S022 instead of FB2022
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+
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+0.1.1 2008-02-04
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+----------------
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+added capacitor to AREF pin of processor
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+
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+0.1 2008-02-03
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+--------------
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+first version
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+
electrics/flaneth.calc.ods
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electrics/flaneth.pcb
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+# release: pcb 20070208
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+# date:    Sun Jun  8 15:50:45 2008
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+# user:    stefan (Stefan Schuermans)
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+# host:    stefan1.lan
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+)
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+)
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+)
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+)
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+)
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905 
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907 
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908 
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909 
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913 
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917 
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919 
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920 
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923 
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924 
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925 
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926 
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927 
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928 
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929 
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930 
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931 
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932 
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933 
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934 
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935 
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936 
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937 
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938 
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939 
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940 
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941 
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942 
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943 
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944 
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945 
+Via[133858 381890 4000 2300 0 2000 "" "thermal(0X,1X)"]
946 
+
947 
+Element["" "SMD 0805" "R6" "0805" 405000 192500 -5000 -10500 0 100 ""]
948 
+(
949 
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950 
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951 
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952 
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953 
+	ElementLine [-6000 -4500 -6000 4500 1000]
954 
+	ElementLine [-6000 4500 6000 4500 1000]
955 
+
956 
+	)
957 
+
958 
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959 
+(
960 
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961 
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962 
+	ElementLine [-6000 -4500 -6000 4500 1000]
963 
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964 
+	ElementLine [6000 4500 6000 -4500 1000]
965 
+	ElementLine [6000 -4500 -6000 -4500 1000]
966 
+
967 
+	)
968 
+
969 
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970 
+(
971 
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972 
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973 
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974 
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975 
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976 
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977 
+	Pin[-10600 16200 6000 3000 6600 3500 "7" "7" ""]
978 
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979 
+	Pin[-10600 37800 6000 3000 6600 3500 "9" "9" ""]
980 
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981 
+	Pin[-5000 70200 25000 3000 25600 12500 "S2" "101" ""]
982 
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983 
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984 
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986 
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987 
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988 
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991 
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992 
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993 
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994 
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995 
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996 
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997 
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998 
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999 
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1000 
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1001 
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1002 
+	ElementLine [-28000 37800 -14600 37800 2000]
1003 
+
1004 
+	)
1005 
+
1006 
+Element["" "SUB-D 9 pol male" "CON5" "SUBD9m" 40000 270000 -35622 -54356 0 150 ""]
1007 
+(
1008 
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1009 
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1010 
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1011 
+	Pin[600 32400 6000 3000 6600 3500 "4" "4" ""]
1012 
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1013 
+	Pin[-10600 5400 6000 3000 6600 3500 "6" "6" ""]
1014 
+	Pin[-10600 16200 6000 3000 6600 3500 "7" "7" ""]
1015 
+	Pin[-10600 27000 6000 3000 6600 3500 "8" "8" ""]
1016 
+	Pin[-10600 37800 6000 3000 6600 3500 "9" "9" ""]
1017 
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1018 
+	Pin[-5000 70200 25000 3000 25600 12500 "S2" "101" ""]
1019 
+	ElementLine [-41500 -39000 -38500 -39000 1000]
1020 
+	ElementLine [-38500 -39000 -38500 82200 1000]
1021 
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1022 
+	ElementLine [-41500 -39000 -41500 82200 1000]
1023 
+	ElementLine [-41500 -33000 -38500 -33000 1000]
1024 
+	ElementLine [-41500 -21000 -38500 -21000 1000]
1025 
+	ElementLine [-41500 76200 -38500 76200 1000]
1026 
+	ElementLine [-41500 64200 -38500 64200 1000]
1027 
+	ElementLine [-38500 -16000 -28000 -16000 2000]
1028 
+	ElementLine [-28000 -16000 -28000 59200 2000]
1029 
+	ElementLine [-38500 59200 -28000 59200 2000]
1030 
+	ElementLine [-38500 -16000 -38500 59200 1000]
1031 
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1032 
+	ElementLine [-28000 10800 -3400 10800 2000]
1033 
+	ElementLine [-28000 21600 -3400 21600 2000]
1034 
+	ElementLine [-28000 32400 -3400 32400 2000]
1035 
+	ElementLine [-28000 43200 -3400 43200 2000]
1036 
+	ElementLine [-28000 5400 -14600 5400 2000]
1037 
+	ElementLine [-28000 16200 -14600 16200 2000]
1038 
+	ElementLine [-28000 27000 -14600 27000 2000]
1039 
+	ElementLine [-28000 37800 -14600 37800 2000]
1040 
+
1041 
+	)
1042 
+
1043 
+Element["" "WSL" "CON6" "10G" 405000 300000 -10000 -28500 0 100 ""]
1044 
+(
1045 
+	Pin[0 0 7000 3000 7600 3500 "1" "1" "square"]
1046 
+	Pin[10000 0 7000 3000 7600 3500 "2" "2" ""]
1047 
+	Pin[0 10000 7000 3000 7600 3500 "3" "3" ""]
1048 
+	Pin[10000 10000 7000 3000 7600 3500 "4" "4" ""]
1049 
+	Pin[0 20000 7000 3000 7600 3500 "5" "5" ""]
1050 
+	Pin[10000 20000 7000 3000 7600 3500 "6" "6" ""]
1051 
+	Pin[0 30000 7000 3000 7600 3500 "7" "7" ""]
1052 
+	Pin[10000 30000 7000 3000 7600 3500 "8" "8" ""]
1053 
+	Pin[0 40000 7000 3000 7600 3500 "9" "9" ""]
1054 
+	Pin[10000 40000 7000 3000 7600 3500 "10" "10" ""]
1055 
+	ElementLine [-10000 30000 -10000 60000 2000]
1056 
+	ElementLine [-10000 10000 -10000 30000 1000]
1057 
+	ElementLine [-10000 -20000 -10000 10000 2000]
1058 
+	ElementLine [-10000 60000 20000 60000 2000]
1059 
+	ElementLine [20000 -20000 20000 60000 2000]
1060 
+	ElementLine [-10000 -20000 20000 -20000 2000]
1061 
+
1062 
+	)
1063 
+
1064 
+Element["" "WSL" "CON7" "10G" 180000 405000 -60000 -18500 0 100 ""]
1065 
+(
1066 
+	Pin[0 0 7000 3000 7600 3500 "1" "1" "square,edge2"]
1067 
+	Pin[0 10000 7000 3000 7600 3500 "2" "2" "edge2"]
1068 
+	Pin[-10000 0 7000 3000 7600 3500 "3" "3" "edge2"]
1069 
+	Pin[-10000 10000 7000 3000 7600 3500 "4" "4" "edge2"]
1070 
+	Pin[-20000 0 7000 3000 7600 3500 "5" "5" "edge2"]
1071 
+	Pin[-20000 10000 7000 3000 7600 3500 "6" "6" "edge2"]
1072 
+	Pin[-30000 0 7000 3000 7600 3500 "7" "7" "edge2"]
1073 
+	Pin[-30000 10000 7000 3000 7600 3500 "8" "8" "edge2"]
1074 
+	Pin[-40000 0 7000 3000 7600 3500 "9" "9" "edge2"]
1075 
+	Pin[-40000 10000 7000 3000 7600 3500 "10" "10" "edge2"]
1076 
+	ElementLine [-60000 -10000 -30000 -10000 2000]
1077 
+	ElementLine [-30000 -10000 -10000 -10000 1000]
1078 
+	ElementLine [-10000 -10000 20000 -10000 2000]
1079 
+	ElementLine [-60000 -10000 -60000 20000 2000]
1080 
+	ElementLine [-60000 20000 20000 20000 2000]
1081 
+	ElementLine [20000 -10000 20000 20000 2000]
1082 
+
1083 
+	)
1084 
+
1085 
+Element["" "WSL" "CON8" "10G" 360000 405000 -60000 -18500 0 100 ""]
1086 
+(
1087 
+	Pin[0 0 7000 3000 7600 3500 "1" "1" "square,edge2"]
1088 
+	Pin[0 10000 7000 3000 7600 3500 "2" "2" "edge2"]
1089 
+	Pin[-10000 0 7000 3000 7600 3500 "3" "3" "edge2"]
1090 
+	Pin[-10000 10000 7000 3000 7600 3500 "4" "4" "edge2"]
1091 
+	Pin[-20000 0 7000 3000 7600 3500 "5" "5" "edge2"]
1092 
+	Pin[-20000 10000 7000 3000 7600 3500 "6" "6" "edge2"]
1093 
+	Pin[-30000 0 7000 3000 7600 3500 "7" "7" "edge2"]
1094 
+	Pin[-30000 10000 7000 3000 7600 3500 "8" "8" "edge2"]
1095 
+	Pin[-40000 0 7000 3000 7600 3500 "9" "9" "edge2"]
1096 
+	Pin[-40000 10000 7000 3000 7600 3500 "10" "10" "edge2"]
1097 
+	ElementLine [-60000 -10000 -30000 -10000 2000]
1098 
+	ElementLine [-30000 -10000 -10000 -10000 1000]
1099 
+	ElementLine [-10000 -10000 20000 -10000 2000]
1100 
+	ElementLine [-60000 -10000 -60000 20000 2000]
1101 
+	ElementLine [-60000 20000 20000 20000 2000]
1102 
+	ElementLine [20000 -10000 20000 20000 2000]
1103 
+
1104 
+	)
1105 
+
1106 
+Element["" "WSL" "CON9" "10G" 270000 405000 -60000 -18500 0 100 ""]
1107 
+(
1108 
+	Pin[0 0 7000 3000 7600 3500 "1" "1" "square,edge2"]
1109 
+	Pin[0 10000 7000 3000 7600 3500 "2" "2" "edge2"]
1110 
+	Pin[-10000 0 7000 3000 7600 3500 "3" "3" "edge2"]
1111 
+	Pin[-10000 10000 7000 3000 7600 3500 "4" "4" "edge2"]
1112 
+	Pin[-20000 0 7000 3000 7600 3500 "5" "5" "edge2"]
1113 
+	Pin[-20000 10000 7000 3000 7600 3500 "6" "6" "edge2"]
1114 
+	Pin[-30000 0 7000 3000 7600 3500 "7" "7" "edge2"]
1115 
+	Pin[-30000 10000 7000 3000 7600 3500 "8" "8" "edge2"]
1116 
+	Pin[-40000 0 7000 3000 7600 3500 "9" "9" "edge2"]
1117 
+	Pin[-40000 10000 7000 3000 7600 3500 "10" "10" "edge2"]
1118 
+	ElementLine [-60000 -10000 -30000 -10000 2000]
1119 
+	ElementLine [-30000 -10000 -10000 -10000 1000]
1120 
+	ElementLine [-10000 -10000 20000 -10000 2000]
1121 
+	ElementLine [-60000 -10000 -60000 20000 2000]
1122 
+	ElementLine [-60000 20000 20000 20000 2000]
1123 
+	ElementLine [20000 -10000 20000 20000 2000]
1124 
+
1125 
+	)
1126 
+
1127 
+Element["" "QFP100 rectangular 0.65mm" "IC3" "QFP100_R065" 340000 205000 -50050 -34350 0 100 ""]
1128 
+(
1129 
+	Pad[37150 -38350 37150 -30250 1500 3000 2100 "1" "1" ""]
1130 
+	Pad[34650 -38350 34650 -30250 1500 3000 2100 "2" "2" "square"]
1131 
+	Pad[32050 -38350 32050 -30250 1500 3000 2100 "3" "3" "square"]
1132 
+	Pad[29550 -38350 29550 -30250 1500 3000 2100 "4" "4" "square"]
1133 
+	Pad[26950 -38350 26950 -30250 1500 3000 2100 "5" "5" "square"]
1134 
+	Pad[24450 -38350 24450 -30250 1500 3000 2100 "6" "6" "square"]
1135 
+	Pad[21850 -38350 21850 -30250 1500 3000 2100 "7" "7" "square"]
1136 
+	Pad[19250 -38350 19250 -30250 1500 3000 2100 "8" "8" "square"]
1137 
+	Pad[16750 -38350 16750 -30250 1500 3000 2100 "9" "9" "square"]
1138 
+	Pad[14150 -38350 14150 -30250 1500 3000 2100 "10" "10" "square"]
1139 
+	Pad[11650 -38350 11650 -30250 1500 3000 2100 "11" "11" "square"]
1140 
+	Pad[9050 -38350 9050 -30250 1500 3000 2100 "12" "12" "square"]
1141 
+	Pad[6450 -38350 6450 -30250 1500 3000 2100 "13" "13" "square"]
1142 
+	Pad[3950 -38350 3950 -30250 1500 3000 2100 "14" "14" "square"]
1143 
+	Pad[1350 -38350 1350 -30250 1500 3000 2100 "15" "15" "square"]
1144 
+	Pad[-1150 -38350 -1150 -30250 1500 3000 2100 "16" "16" "square"]
1145 
+	Pad[-3750 -38350 -3750 -30250 1500 3000 2100 "17" "17" "square"]
1146 
+	Pad[-6350 -38350 -6350 -30250 1500 3000 2100 "18" "18" "square"]
1147 
+	Pad[-8850 -38350 -8850 -30250 1500 3000 2100 "19" "19" "square"]
1148 
+	Pad[-11450 -38350 -11450 -30250 1500 3000 2100 "20" "20" "square"]
1149 
+	Pad[-13950 -38350 -13950 -30250 1500 3000 2100 "21" "21" "square"]
1150 
+	Pad[-16550 -38350 -16550 -30250 1500 3000 2100 "22" "22" "square"]
1151 
+	Pad[-19050 -38350 -19050 -30250 1500 3000 2100 "23" "23" "square"]
1152 
+	Pad[-21650 -38350 -21650 -30250 1500 3000 2100 "24" "24" "square"]
1153 
+	Pad[-24250 -38350 -24250 -30250 1500 3000 2100 "25" "25" "square"]
1154 
+	Pad[-26750 -38350 -26750 -30250 1500 3000 2100 "26" "26" "square"]
1155 
+	Pad[-29350 -38350 -29350 -30250 1500 3000 2100 "27" "27" "square"]
1156 
+	Pad[-31850 -38350 -31850 -30250 1500 3000 2100 "28" "28" "square"]
1157 
+	Pad[-34450 -38350 -34450 -30250 1500 3000 2100 "29" "29" "square"]
1158 
+	Pad[-37050 -38350 -37050 -30250 1500 3000 2100 "30" "30" "square"]
1159 
+	Pad[-50150 -24350 -42050 -24350 1500 3000 2100 "31" "31" "square"]
1160 
+	Pad[-50150 -21850 -42050 -21850 1500 3000 2100 "32" "32" "square"]
1161 
+	Pad[-50150 -19250 -42050 -19250 1500 3000 2100 "33" "33" "square"]
1162 
+	Pad[-50150 -16750 -42050 -16750 1500 3000 2100 "34" "34" "square"]
1163 
+	Pad[-50150 -14150 -42050 -14150 1500 3000 2100 "35" "35" "square"]
1164 
+	Pad[-50150 -11650 -42050 -11650 1500 3000 2100 "36" "36" "square"]
1165 
+	Pad[-50150 -9050 -42050 -9050 1500 3000 2100 "37" "37" "square"]
1166 
+	Pad[-50150 -6450 -42050 -6450 1500 3000 2100 "38" "38" "square"]
1167 
+	Pad[-50150 -3950 -42050 -3950 1500 3000 2100 "39" "39" "square"]
1168 
+	Pad[-50150 -1350 -42050 -1350 1500 3000 2100 "40" "40" "square"]
1169 
+	Pad[-50150 1150 -42050 1150 1500 3000 2100 "41" "41" "square"]
1170 
+	Pad[-50150 3750 -42050 3750 1500 3000 2100 "42" "42" "square"]
1171 
+	Pad[-50150 6350 -42050 6350 1500 3000 2100 "43" "43" "square"]
1172 
+	Pad[-50150 8850 -42050 8850 1500 3000 2100 "44" "44" "square"]
1173 
+	Pad[-50150 11450 -42050 11450 1500 3000 2100 "45" "45" "square"]
1174 
+	Pad[-50150 13950 -42050 13950 1500 3000 2100 "46" "46" "square"]
1175 
+	Pad[-50150 16550 -42050 16550 1500 3000 2100 "47" "47" "square"]
1176 
+	Pad[-50150 19150 -42050 19150 1500 3000 2100 "48" "48" "square"]
1177 
+	Pad[-50150 21650 -42050 21650 1500 3000 2100 "49" "49" "square"]
1178 
+	Pad[-50150 24250 -42050 24250 1500 3000 2100 "50" "50" "square"]
1179 
+	Pad[-37150 30250 -37150 38350 1500 3000 2100 "51" "51" "square,edge2"]
1180 
+	Pad[-34650 30250 -34650 38350 1500 3000 2100 "52" "52" "square,edge2"]
1181 
+	Pad[-32050 30250 -32050 38350 1500 3000 2100 "53" "53" "square,edge2"]
1182 
+	Pad[-29550 30250 -29550 38350 1500 3000 2100 "54" "54" "square,edge2"]
1183 
+	Pad[-26950 30250 -26950 38350 1500 3000 2100 "55" "55" "square,edge2"]
1184 
+	Pad[-24450 30250 -24450 38350 1500 3000 2100 "56" "56" "square,edge2"]
1185 
+	Pad[-21850 30250 -21850 38350 1500 3000 2100 "57" "57" "square,edge2"]
1186 
+	Pad[-19250 30250 -19250 38350 1500 3000 2100 "58" "58" "square,edge2"]
1187 
+	Pad[-16750 30250 -16750 38350 1500 3000 2100 "59" "59" "square,edge2"]
1188 
+	Pad[-14150 30250 -14150 38350 1500 3000 2100 "60" "60" "square,edge2"]
1189 
+	Pad[-11650 30250 -11650 38350 1500 3000 2100 "61" "61" "square,edge2"]
1190 
+	Pad[-9050 30250 -9050 38350 1500 3000 2100 "62" "62" "square,edge2"]
1191 
+	Pad[-6450 30250 -6450 38350 1500 3000 2100 "63" "63" "square,edge2"]
1192 
+	Pad[-3950 30250 -3950 38350 1500 3000 2100 "64" "64" "square,edge2"]
1193 
+	Pad[-1350 30250 -1350 38350 1500 3000 2100 "65" "65" "square,edge2"]
1194 
+	Pad[1150 30250 1150 38350 1500 3000 2100 "66" "66" "square,edge2"]
1195 
+	Pad[3750 30250 3750 38350 1500 3000 2100 "67" "67" "square,edge2"]
1196 
+	Pad[6350 30250 6350 38350 1500 3000 2100 "68" "68" "square,edge2"]
1197 
+	Pad[8850 30250 8850 38350 1500 3000 2100 "69" "69" "square,edge2"]
1198 
+	Pad[11450 30250 11450 38350 1500 3000 2100 "70" "70" "square,edge2"]
1199 
+	Pad[13950 30250 13950 38350 1500 3000 2100 "71" "71" "square,edge2"]
1200 
+	Pad[16550 30250 16550 38350 1500 3000 2100 "72" "72" "square,edge2"]
1201 
+	Pad[19050 30250 19050 38350 1500 3000 2100 "73" "73" "square,edge2"]
1202 
+	Pad[21650 30250 21650 38350 1500 3000 2100 "74" "74" "square,edge2"]
1203 
+	Pad[24250 30250 24250 38350 1500 3000 2100 "75" "75" "square,edge2"]
1204 
+	Pad[26750 30250 26750 38350 1500 3000 2100 "76" "76" "square,edge2"]
1205 
+	Pad[29350 30250 29350 38350 1500 3000 2100 "77" "77" "square,edge2"]
1206 
+	Pad[31850 30250 31850 38350 1500 3000 2100 "78" "78" "square,edge2"]
1207 
+	Pad[34450 30250 34450 38350 1500 3000 2100 "79" "79" "square,edge2"]
1208 
+	Pad[37050 30250 37050 38350 1500 3000 2100 "80" "80" "square,edge2"]
1209 
+	Pad[42050 24350 50150 24350 1500 3000 2100 "81" "81" "square,edge2"]
1210 
+	Pad[42050 21850 50150 21850 1500 3000 2100 "82" "82" "square,edge2"]
1211 
+	Pad[42050 19250 50150 19250 1500 3000 2100 "83" "83" "square,edge2"]
1212 
+	Pad[42050 16750 50150 16750 1500 3000 2100 "84" "84" "square,edge2"]
1213 
+	Pad[42050 14150 50150 14150 1500 3000 2100 "85" "85" "square,edge2"]
1214 
+	Pad[42050 11650 50150 11650 1500 3000 2100 "86" "86" "square,edge2"]
1215 
+	Pad[42050 9050 50150 9050 1500 3000 2100 "87" "87" "square,edge2"]
1216 
+	Pad[42050 6450 50150 6450 1500 3000 2100 "88" "88" "square,edge2"]
1217 
+	Pad[42050 3950 50150 3950 1500 3000 2100 "89" "89" "square,edge2"]
1218 
+	Pad[42050 1350 50150 1350 1500 3000 2100 "90" "90" "square,edge2"]
1219 
+	Pad[42050 -1150 50150 -1150 1500 3000 2100 "91" "91" "square,edge2"]
1220 
+	Pad[42050 -3750 50150 -3750 1500 3000 2100 "92" "92" "square,edge2"]
1221 
+	Pad[42050 -6350 50150 -6350 1500 3000 2100 "93" "93" "square,edge2"]
1222 
+	Pad[42050 -8850 50150 -8850 1500 3000 2100 "94" "94" "square,edge2"]
1223 
+	Pad[42050 -11450 50150 -11450 1500 3000 2100 "95" "95" "square,edge2"]
1224 
+	Pad[42050 -13950 50150 -13950 1500 3000 2100 "96" "96" "square,edge2"]
1225 
+	Pad[42050 -16550 50150 -16550 1500 3000 2100 "97" "97" "square,edge2"]
1226 
+	Pad[42050 -19150 50150 -19150 1500 3000 2100 "98" "98" "square,edge2"]
1227 
+	Pad[42050 -21650 50150 -21650 1500 3000 2100 "99" "99" "square,edge2"]
1228 
+	Pad[42050 -24250 50150 -24250 1500 3000 2100 "100" "100" "square,edge2"]
1229 
+	ElementLine [39350 -24750 39350 27550 1000]
1230 
+	ElementLine [-39350 27550 39350 27550 1000]
1231 
+	ElementLine [-39350 -27550 -39350 27550 1000]
1232 
+	ElementLine [-39350 -27550 36550 -27550 1000]
1233 
+	ElementLine [36550 -27550 39350 -24750 1000]
1234 
+	ElementArc [35850 -24050 1000 1000 270 360 1000]
1235 
+
1236 
+	)
1237 
+
1238 
+Element["" "SMD 0805" "C25" "0805" 70000 250000 -15000 -3000 0 100 ""]
1239 
+(
1240 
+	Pad[-1700 3200 1700 3200 3600 3000 4200 "1" "1" "square"]
1241 
+	Pad[-1700 -3200 1700 -3200 3600 3000 4200 "2" "2" "square"]
1242 
+	ElementLine [-4500 6000 4500 6000 1000]
1243 
+	ElementLine [4500 -6000 4500 6000 1000]
1244 
+	ElementLine [-4500 -6000 4500 -6000 1000]
1245 
+	ElementLine [-4500 -6000 -4500 6000 1000]
1246 
+
1247 
+	)
1248 
+
1249 
+Element["" "SMD 0805" "C9" "0805" 350000 310000 -5000 4500 0 100 ""]
1250 
+(
1251 
+	Pad[3200 -1700 3200 1700 3600 3000 4200 "1" "1" "square"]
1252 
+	Pad[-3200 -1700 -3200 1700 3600 3000 4200 "2" "2" "square"]
1253 
+	ElementLine [6000 -4500 6000 4500 1000]
1254 
+	ElementLine [-6000 -4500 6000 -4500 1000]
1255 
+	ElementLine [-6000 -4500 -6000 4500 1000]
1256 
+	ElementLine [-6000 4500 6000 4500 1000]
1257 
+
1258 
+	)
1259 
+
1260 
+Element["" "SMD 0805" "R1" "0805" 295000 375000 -5000 4500 0 100 ""]
1261 
+(
1262 
+	Pad[3200 -1700 3200 1700 3600 3000 4200 "1" "1" "square"]
1263 
+	Pad[-3200 -1700 -3200 1700 3600 3000 4200 "2" "2" "square"]
1264 
+	ElementLine [6000 -4500 6000 4500 1000]
1265 
+	ElementLine [-6000 -4500 6000 -4500 1000]
1266 
+	ElementLine [-6000 -4500 -6000 4500 1000]
1267 
+	ElementLine [-6000 4500 6000 4500 1000]
1268 
+
1269 
+	)
1270 
+
1271 
+Element["" "crystal HC18" "X1" "HC18" 325000 330000 -2500 12000 0 100 ""]
1272 
+(
1273 
+	Pin[0 0 6000 3000 6600 3000 "1" "1" ""]
1274 
+	Pin[0 -20000 6000 3000 6600 3000 "2" "2" ""]
1275 
+	ElementLine [-10000 -20000 -10000 0 1000]
1276 
+	ElementLine [10000 -20000 10000 0 1000]
1277 
+	ElementArc [0 0 10000 10000 0 180 1000]
1278 
+	ElementArc [0 -20000 10000 10000 180 180 1000]
1279 
+
1280 
+	)
1281 
+
1282 
+Element["" "electrolytic capacitor SMD 4.0mm" "C18" "CAP_EL_SMD_40" 122500 180000 -22500 4400 0 100 ""]
1283 
+(
1284 
+	Pad[4000 0 10000 0 4000 3000 4600 "+" "1" "square,edge2"]
1285 
+	Pad[-10000 0 -4000 0 4000 3000 4600 "-" "2" "square"]
1286 
+	ElementLine [7000 10000 12500 7000 1000]
1287 
+	ElementLine [-12500 10000 7000 10000 1000]
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+	ElementLine [-12500 -10000 -12500 10000 1000]
1289 
+	ElementLine [-12500 -10000 7000 -10000 1000]
1290 
+	ElementLine [12500 -7000 7000 -10000 1000]
1291 
+	ElementLine [12500 -7000 12500 7000 2000]
1292 
+
1293 
+	)
1294 
+
1295 
+Element["" "SMD 0805" "R5" "0805" 167500 347500 -6600 5900 0 100 ""]
1296 
+(
1297 
+	Pad[-1700 -3200 1700 -3200 3600 3000 4200 "1" "1" "square"]
1298 
+	Pad[-1700 3200 1700 3200 3600 3000 4200 "2" "2" "square"]
1299 
+	ElementLine [-4500 -6000 4500 -6000 1000]
1300 
+	ElementLine [-4500 -6000 -4500 6000 1000]
1301 
+	ElementLine [-4500 6000 4500 6000 1000]
1302 
+	ElementLine [4500 -6000 4500 6000 1000]
1303 
+
1304 
+	)
1305 
+
1306 
+Element["" "SMD 0805" "C12" "0805" 245000 245000 -5000 4500 0 100 ""]
1307 
+(
1308 
+	Pad[-3200 -1700 -3200 1700 3600 3000 4200 "1" "1" "square"]
1309 
+	Pad[3200 -1700 3200 1700 3600 3000 4200 "2" "2" "square"]
1310 
+	ElementLine [-6000 -4500 -6000 4500 1000]
1311 
+	ElementLine [-6000 4500 6000 4500 1000]
1312 
+	ElementLine [6000 4500 6000 -4500 1000]
1313 
+	ElementLine [6000 -4500 -6000 -4500 1000]
1314 
+
1315 
+	)
1316 
+
1317 
+Element["" "capacitor" "C2" "200" 140000 330000 -23000 -2200 0 100 ""]
1318 
+(
1319 
+	Pin[10000 0 6300 3000 6900 3150 "" "1" "edge2"]
1320 
+	Pin[-10000 0 6300 3000 6900 3150 "" "2" "edge2"]
1321 
+	ElementLine [-10000 0 -2500 0 1000]
1322 
+	ElementLine [-2500 -4000 -2500 4000 1000]
1323 
+	ElementLine [2500 -4000 2500 4000 1000]
1324 
+	ElementLine [2500 0 10000 0 1000]
1325 
+	ElementLine [14000 -5000 14000 5000 1000]
1326 
+	ElementLine [-14000 -5000 14000 -5000 1000]
1327 
+	ElementLine [-14000 -5000 -14000 5000 1000]
1328 
+	ElementLine [-14000 5000 14000 5000 1000]
1329 
+
1330 
+	)
1331 
+
1332 
+Element["" "electrolytic capacitor" "C1" "100" 145000 355000 -20000 12500 0 100 ""]
1333 
+(
1334 
+	Pin[0 0 6300 3000 6900 3150 "+" "1" "square,edge2"]
1335 
+	Pin[-10000 0 6300 3000 6900 3150 "-" "2" "edge2"]
1336 
+	ElementLine [2000 4000 2000 8000 1000]
1337 
+	ElementLine [0 6000 4000 6000 1000]
1338 
+	ElementLine [-10000 0 -6500 0 1000]
1339 
+	ElementLine [-6500 -10000 -6500 10000 1000]
1340 
+	ElementLine [-3500 -10000 -3500 10000 1000]
1341 
+	ElementLine [-3500 0 0 0 1000]
1342 
+	ElementArc [-5000 0 15000 15000 180 360 1000]
1343 
+
1344 
+	)
1345 
+
1346 
+Element["" "SMD 0805" "C14" "0805" 270000 145000 7500 -3000 0 100 ""]
1347 
+(
1348 
+	Pad[-1700 3200 1700 3200 3600 3000 4200 "1" "1" "square"]
1349 
+	Pad[-1700 -3200 1700 -3200 3600 3000 4200 "2" "2" "square"]
1350 
+	ElementLine [-4500 6000 4500 6000 1000]
1351 
+	ElementLine [4500 -6000 4500 6000 1000]
1352 
+	ElementLine [-4500 -6000 4500 -6000 1000]
1353 
+	ElementLine [-4500 -6000 -4500 6000 1000]
1354 
+
1355 
+	)
1356 
+
1357 
+Element["" "SMD 0805" "C21" "0805" 105000 205000 7500 -3000 0 100 ""]
1358 
+(
1359 
+	Pad[3200 -1700 3200 1700 3600 3000 4200 "1" "1" "square"]
1360 
+	Pad[-3200 -1700 -3200 1700 3600 3000 4200 "2" "2" "square"]
1361 
+	ElementLine [6000 -4500 6000 4500 1000]
1362 
+	ElementLine [-6000 -4500 6000 -4500 1000]
1363 
+	ElementLine [-6000 -4500 -6000 4500 1000]
1364 
+	ElementLine [-6000 4500 6000 4500 1000]
1365 
+
1366 
+	)
1367 
+
1368 
+Element["" "PIN" "J2" "3mm5" 401575 94488 15000 10000 0 100 ""]
1369 
+(
1370 
+	Pin[0 0 29528 3000 30128 13780 "" "1" "thermal(0X,1X)"]
1371 
+	ElementArc [0 0 16000 16000 0 360 1000]
1372 
+
1373 
+	)
1374 
+
1375 
+Element["" "diode" "D1" "300" 85000 350000 -5000 -12500 0 100 ""]
1376 
+(
1377 
+	Pin[15000 0 7874 3000 8474 3937 "K" "1" "square,edge2"]
1378 
+	Pin[-15000 0 7874 3000 8474 3937 "A" "2" "edge2"]
1379 
+	ElementLine [5000 0 15000 0 1000]
1380 
+	ElementLine [-15000 0 -5000 0 1000]
1381 
+	ElementLine [5000 0 -5000 5000 1000]
1382 
+	ElementLine [-5000 -5000 -5000 5000 1000]
1383 
+	ElementLine [-5000 -5000 5000 0 1000]
1384 
+	ElementLine [5000 -5000 5000 5000 1000]
1385 
+	ElementLine [20300 -6000 20300 6000 1000]
1386 
+	ElementLine [-20300 -6000 20300 -6000 1000]
1387 
+	ElementLine [-20300 -6000 -20300 6000 1000]
1388 
+	ElementLine [-20300 6000 20300 6000 1000]
1389 
+
1390 
+	)
1391 
+
1392 
+Element["" "SMD 0805" "C7" "0805" 225000 350000 -5200 5000 0 100 ""]
1393 
+(
1394 
+	Pad[3200 -1700 3200 1700 3600 3000 4200 "1" "1" "square"]
1395 
+	Pad[-3200 -1700 -3200 1700 3600 3000 4200 "2" "2" "square"]
1396 
+	ElementLine [6000 -4500 6000 4500 1000]
1397 
+	ElementLine [-6000 -4500 6000 -4500 1000]
1398 
+	ElementLine [-6000 -4500 -6000 4500 1000]
1399 
+	ElementLine [-6000 4500 6000 4500 1000]
1400 
+
1401 
+	)
1402 
+
1403 
+Element["" "PIN" "J4" "3mm5" 401575 401575 15000 10000 0 100 ""]
1404 
+(
1405 
+	Pin[0 0 29528 3000 30128 13780 "" "1" "thermal(0X,1X)"]
1406 
+	ElementArc [0 0 16000 16000 0 360 1000]
1407 
+
1408 
+	)
1409 
+
1410 
+Element["" "SMD 0805" "R11" "0805" 207500 170000 -15000 -3000 0 100 ""]
1411 
+(
1412 
+	Pad[-3200 -1700 -3200 1700 3600 3000 4200 "1" "1" "square"]
1413 
+	Pad[3200 -1700 3200 1700 3600 3000 4200 "2" "2" "square"]
1414 
+	ElementLine [-6000 -4500 -6000 4500 1000]
1415 
+	ElementLine [-6000 4500 6000 4500 1000]
1416 
+	ElementLine [6000 4500 6000 -4500 1000]
1417 
+	ElementLine [6000 -4500 -6000 -4500 1000]
1418 
+
1419 
+	)
1420 
+
1421 
+Element["" "SMD 0805" "R7" "0805" 367500 140000 -2900 5800 0 100 ""]
1422 
+(
1423 
+	Pad[-3200 -1700 -3200 1700 3600 3000 4200 "1" "1" "square"]
1424 
+	Pad[3200 -1700 3200 1700 3600 3000 4200 "2" "2" "square"]
1425 
+	ElementLine [-6000 -4500 -6000 4500 1000]
1426 
+	ElementLine [-6000 4500 6000 4500 1000]
1427 
+	ElementLine [6000 -4500 6000 4500 1000]
1428 
+	ElementLine [-6000 -4500 6000 -4500 1000]
1429 
+
1430 
+	)
1431 
+
1432 
+Element["" "SMD 0805" "C13" "0805" 245000 225000 -5000 4500 0 100 ""]
1433 
+(
1434 
+	Pad[-3200 -1700 -3200 1700 3600 3000 4200 "1" "1" "square"]
1435 
+	Pad[3200 -1700 3200 1700 3600 3000 4200 "2" "2" "square"]
1436 
+	ElementLine [-6000 -4500 -6000 4500 1000]
1437 
+	ElementLine [-6000 4500 6000 4500 1000]
1438 
+	ElementLine [6000 4500 6000 -4500 1000]
1439 
+	ElementLine [6000 -4500 -6000 -4500 1000]
1440 
+
1441 
+	)
1442 
+
1443 
+Element["" "SMD LED 0603" "LED1" "0603" 167500 327500 -6000 -10200 0 100 ""]
1444 
+(
1445 
+	Pad[-900 -2400 900 -2400 2400 2000 3000 "K" "1" "square"]
1446 
+	Pad[-900 2400 900 2400 2400 2000 3000 "A" "2" "square"]
1447 
+	ElementLine [-4200 -4200 4200 -4200 1000]
1448 
+	ElementLine [-2700 -4200 -4200 4200 1000]
1449 
+	ElementLine [-4200 4200 4200 4200 1000]
1450 
+	ElementLine [4200 4200 2700 -4200 1000]
1451 
+
1452 
+	)
1453 
+
1454 
+Element["" "SMD 0805" "C10" "0805" 402500 212500 -2500 7000 0 100 ""]
1455 
+(
1456 
+	Pad[-1700 3200 1700 3200 3600 3000 4200 "1" "1" "square"]
1457 
+	Pad[-1700 -3200 1700 -3200 3600 3000 4200 "2" "2" "square"]
1458 
+	ElementLine [-4500 6000 4500 6000 1000]
1459 
+	ElementLine [4500 -6000 4500 6000 1000]
1460 
+	ElementLine [-4500 -6000 4500 -6000 1000]
1461 
+	ElementLine [-4500 -6000 -4500 6000 1000]
1462 
+
1463 
+	)
1464 
+
1465 
+Element["" "SMD 0805" "C15" "0805" 320000 145000 -15000 -3000 0 100 ""]
1466 
+(
1467 
+	Pad[-1700 3200 1700 3200 3600 3000 4200 "1" "1" "square"]
1468 
+	Pad[-1700 -3200 1700 -3200 3600 3000 4200 "2" "2" "square"]
1469 
+	ElementLine [-4500 6000 4500 6000 1000]
1470 
+	ElementLine [4500 -6000 4500 6000 1000]
1471 
+	ElementLine [-4500 -6000 4500 -6000 1000]
1472 
+	ElementLine [-4500 -6000 -4500 6000 1000]
1473 
+
1474 
+	)
1475 
+
1476 
+Element["" "SO16" "IC4" "" 95000 235000 -4500 21500 0 100 ""]
1477 
+(
1478 
+	Pad[-13500 -17500 -7000 -17500 2000 3000 2600 "1" "1" "square"]
1479 
+	Pad[-13500 -12500 -7000 -12500 2000 3000 2600 "2" "2" "square"]
1480 
+	Pad[-13500 -7500 -7000 -7500 2000 3000 2600 "3" "3" "square"]
1481 
+	Pad[-13500 -2500 -7000 -2500 2000 3000 2600 "4" "4" "square"]
1482 
+	Pad[-13500 2500 -7000 2500 2000 3000 2600 "5" "5" "square"]
1483 
+	Pad[-13500 7500 -7000 7500 2000 3000 2600 "6" "6" "square"]
1484 
+	Pad[-13500 12500 -7000 12500 2000 3000 2600 "7" "7" "square"]
1485 
+	Pad[-13500 17500 -7000 17500 2000 3000 2600 "8" "8" "square"]
1486 
+	Pad[7000 17500 13500 17500 2000 3000 2600 "9" "9" "square,edge2"]
1487 
+	Pad[7000 12500 13500 12500 2000 3000 2600 "10" "10" "square,edge2"]
1488 
+	Pad[7000 7500 13500 7500 2000 3000 2600 "11" "11" "square,edge2"]
1489 
+	Pad[7000 2500 13500 2500 2000 3000 2600 "12" "12" "square,edge2"]
1490 
+	Pad[7000 -2500 13500 -2500 2000 3000 2600 "13" "13" "square,edge2"]
1491 
+	Pad[7000 -7500 13500 -7500 2000 3000 2600 "14" "14" "square,edge2"]
1492 
+	Pad[7000 -12500 13500 -12500 2000 3000 2600 "15" "15" "square,edge2"]
1493 
+	Pad[7000 -17500 13500 -17500 2000 3000 2600 "16" "16" "square,edge2"]
1494 
+	ElementLine [-15500 -19500 -15500 19500 1000]
1495 
+	ElementLine [-15500 19500 15500 19500 1000]
1496 
+	ElementLine [15500 -19500 15500 19500 1000]
1497 
+	ElementLine [-15500 -19500 -2500 -19500 1000]
1498 
+	ElementLine [2500 -19500 15500 -19500 1000]
1499 
+	ElementArc [0 -19500 2500 2500 0 180 1000]
1500 
+
1501 
+	)
1502 
+
1503 
+Element["" "FB2022" "L1" "FB2022" 260000 130000 77000 -500 0 100 ""]
1504 
+(
1505 
+	Pin[0 0 6300 3000 6900 3150 "1" "1" "square,edge2"]
1506 
+	Pin[10000 0 6300 3000 6900 3150 "2" "2" "edge2"]
1507 
+	Pin[20000 0 6300 3000 6900 3150 "3" "3" "edge2"]
1508 
+	Pin[50000 0 6300 3000 6900 3150 "4" "4" "edge2"]
1509 
+	Pin[60000 0 6300 3000 6900 3150 "5" "5" "edge2"]
1510 
+	Pin[70000 0 6300 3000 6900 3150 "6" "6" "edge2"]
1511 
+	Pin[70000 -30000 6300 3000 6900 3150 "7" "7" "edge2"]
1512 
+	Pin[60000 -30000 6300 3000 6900 3150 "8" "8" "edge2"]
1513 
+	Pin[50000 -30000 6300 3000 6900 3150 "9" "9" "edge2"]
1514 
+	Pin[20000 -30000 6300 3000 6900 3150 "10" "10" "edge2"]
1515 
+	Pin[10000 -30000 6300 3000 6900 3150 "11" "11" "edge2"]
1516 
+	Pin[0 -30000 6300 3000 6900 3150 "12" "12" "edge2"]
1517 
+	ElementLine [-5000 5000 75000 5000 1000]
1518 
+	ElementLine [75000 -35000 75000 5000 1000]
1519 
+	ElementLine [-5000 -35000 75000 -35000 1000]
1520 
+	ElementLine [-5000 -10000 -5000 5000 1000]
1521 
+	ElementLine [-5000 -35000 -5000 -20000 1000]
1522 
+	ElementArc [-5000 -15000 5000 5000 90 180 1000]
1523 
+
1524 
+	)
1525 
+
1526 
+Element["" "SMD 0805" "C16" "0805" 320000 85000 7500 -3000 0 100 ""]
1527 
+(
1528 
+	Pad[-1700 -3200 1700 -3200 3600 3000 4200 "1" "1" "square"]
1529 
+	Pad[-1700 3200 1700 3200 3600 3000 4200 "2" "2" "square"]
1530 
+	ElementLine [-4500 -6000 4500 -6000 1000]
1531 
+	ElementLine [-4500 -6000 -4500 6000 1000]
1532 
+	ElementLine [-4500 6000 4500 6000 1000]
1533 
+	ElementLine [4500 -6000 4500 6000 1000]
1534 
+
1535 
+	)
1536 
+
1537 
+Element["" "SMD 0805" "C17" "0805" 270000 85000 7500 -3000 0 100 ""]
1538 
+(
1539 
+	Pad[-1700 -3200 1700 -3200 3600 3000 4200 "1" "1" "square"]
1540 
+	Pad[-1700 3200 1700 3200 3600 3000 4200 "2" "2" "square"]
1541 
+	ElementLine [-4500 -6000 4500 -6000 1000]
1542 
+	ElementLine [-4500 -6000 -4500 6000 1000]
1543 
+	ElementLine [-4500 6000 4500 6000 1000]
1544 
+	ElementLine [4500 -6000 4500 6000 1000]
1545 
+
1546 
+	)
1547 
+
1548 
+Element["" "PIN" "J1" "3mm5" 31496 31496 15000 10000 0 100 ""]
1549 
+(
1550 
+	Pin[0 0 29528 3000 30128 13780 "" "1" "thermal(0X,1X)"]
1551 
+	ElementArc [0 0 16000 16000 0 360 1000]
1552 
+
1553 
+	)
1554 
+
1555 
+Element["" "SMD 0805" "C24" "0805" 70000 235000 -15000 -3000 0 100 ""]
1556 
+(
1557 
+	Pad[-1700 3200 1700 3200 3600 3000 4200 "1" "1" "square"]
1558 
+	Pad[-1700 -3200 1700 -3200 3600 3000 4200 "2" "2" "square"]
1559 
+	ElementLine [-4500 6000 4500 6000 1000]
1560 
+	ElementLine [4500 -6000 4500 6000 1000]
1561 
+	ElementLine [-4500 -6000 4500 -6000 1000]
1562 
+	ElementLine [-4500 -6000 -4500 6000 1000]
1563 
+
1564 
+	)
1565 
+
1566 
+Element["" "MEBP8-8G" "CON2" "MEBP8-8G" 295000 60000 -500 12000 0 100 ""]
1567 
+(
1568 
+	Pin[17500 -10000 6300 3000 6900 3550 "1" "1" "edge2"]
1569 
+	Pin[12500 0 6300 3000 6900 3550 "2" "2" "edge2"]
1570 
+	Pin[7500 -10000 6300 3000 6900 3550 "3" "3" "edge2"]
1571 
+	Pin[2500 0 6300 3000 6900 3550 "4" "4" "edge2"]
1572 
+	Pin[-2500 -10000 6300 3000 6900 3550 "5" "5" "edge2"]
1573 
+	Pin[-7500 0 6300 3000 6900 3550 "6" "6" "edge2"]
1574 
+	Pin[-12500 -10000 6300 3000 6900 3550 "7" "7" "edge2"]
1575 
+	Pin[-17500 0 6300 3000 6900 3550 "8" "8" "edge2"]
1576 
+	Pin[30492 -22992 10000 3000 10600 6299 "9" "9" "edge2,thermal(0X,1X)"]
1577 
+	Pin[-30492 -22992 10000 3000 10600 6299 "10" "10" "edge2,thermal(0X,1X)"]
1578 
+	Pin[22500 -35000 12795 3000 13395 12795 "11" "11" "hole,edge2"]
1579 
+	Pin[-22500 -35000 12795 3000 13395 12795 "12" "12" "hole,edge2"]
1580 
+	ElementLine [-22500 -20000 22500 -20000 1000]
1581 
+	ElementLine [-22500 -60000 -22500 -42000 1000]
1582 
+	ElementLine [-22500 -28000 -22500 -20000 1000]
1583 
+	ElementLine [22500 -60000 22500 -42000 1000]
1584 
+	ElementLine [22500 -28000 22500 -20000 1000]
1585 
+	ElementLine [-31260 -60000 -31260 10000 1000]
1586 
+	ElementLine [31260 -60000 31260 10000 1000]
1587 
+	ElementLine [-31260 -60000 31260 -60000 1000]
1588 
+	ElementLine [-31260 10000 31260 10000 1000]
1589 
+	ElementArc [-22500 -35000 7000 7000 180 360 1000]
1590 
+	ElementArc [22500 -35000 7000 7000 180 360 1000]
1591 
+
1592 
+	)
1593 
+
1594 
+Element["" "compact flash header" "CF1" "YAMAI_CF050P2" 150000 130000 -94000 26000 0 150 ""]
1595 
+(
1596 
+	Pin[89370 -98819 5118 3000 5718 5118 "" "NC" "hole,edge2"]
1597 
+	Pin[-89370 -98819 5118 3000 5718 5118 "" "NC" "hole,edge2"]
1598 
+	Pin[79055 0 6693 3000 7293 6693 "" "NC" "hole,edge2"]
1599 
+	Pin[-79055 0 6693 3000 7293 6693 "" "NC" "hole,edge2"]
1600 
+	Pin[79055 11811 9055 3000 9655 9055 "" "NC" "hole,edge2"]
1601 
+	Pin[-79055 11811 9055 3000 9655 9055 "" "NC" "hole,edge2"]
1602 
+	Pad[61250 16929 61250 25197 1575 3000 2175 "1" "1" "edge2"]
1603 
+	Pad[58750 16929 58750 25197 1575 3000 2175 "26" "26" "square,edge2"]
1604 
+	Pad[56250 16929 56250 25197 1575 3000 2175 "2" "2" "square,edge2"]
1605 
+	Pad[53750 16929 53750 25197 1575 3000 2175 "27" "27" "square,edge2"]
1606 
+	Pad[51250 16929 51250 25197 1575 3000 2175 "3" "3" "square,edge2"]
1607 
+	Pad[48750 16929 48750 25197 1575 3000 2175 "28" "28" "square,edge2"]
1608 
+	Pad[46250 16929 46250 25197 1575 3000 2175 "4" "4" "square,edge2"]
1609 
+	Pad[43750 16929 43750 25197 1575 3000 2175 "29" "29" "square,edge2"]
1610 
+	Pad[41250 16929 41250 25197 1575 3000 2175 "5" "5" "square,edge2"]
1611 
+	Pad[38750 16929 38750 25197 1575 3000 2175 "30" "30" "square,edge2"]
1612 
+	Pad[36250 16929 36250 25197 1575 3000 2175 "6" "6" "square,edge2"]
1613 
+	Pad[33750 16929 33750 25197 1575 3000 2175 "31" "31" "square,edge2"]
1614 
+	Pad[31250 16929 31250 25197 1575 3000 2175 "7" "7" "square,edge2"]
1615 
+	Pad[28750 16929 28750 25197 1575 3000 2175 "32" "32" "square,edge2"]
1616 
+	Pad[26250 16929 26250 25197 1575 3000 2175 "8" "8" "square,edge2"]
1617 
+	Pad[23750 16929 23750 25197 1575 3000 2175 "33" "33" "square,edge2"]
1618 
+	Pad[21250 16929 21250 25197 1575 3000 2175 "9" "9" "square,edge2"]
1619 
+	Pad[18750 16929 18750 25197 1575 3000 2175 "34" "34" "square,edge2"]
1620 
+	Pad[16250 16929 16250 25197 1575 3000 2175 "10" "10" "square,edge2"]
1621 
+	Pad[13750 16929 13750 25197 1575 3000 2175 "35" "35" "square,edge2"]
1622 
+	Pad[11250 16929 11250 25197 1575 3000 2175 "11" "11" "square,edge2"]
1623 
+	Pad[8750 16929 8750 25197 1575 3000 2175 "36" "36" "square,edge2"]
1624 
+	Pad[6250 16929 6250 25197 1575 3000 2175 "12" "12" "square,edge2"]
1625 
+	Pad[3750 16929 3750 25197 1575 3000 2175 "37" "37" "square,edge2"]
1626 
+	Pad[1250 16929 1250 25197 1575 3000 2175 "13" "13" "square,edge2"]
1627 
+	Pad[-1250 16929 -1250 25197 1575 3000 2175 "38" "38" "square,edge2"]
1628 
+	Pad[-3750 16929 -3750 25197 1575 3000 2175 "14" "14" "square,edge2"]
1629 
+	Pad[-6250 16929 -6250 25197 1575 3000 2175 "39" "39" "square,edge2"]
1630 
+	Pad[-8750 16929 -8750 25197 1575 3000 2175 "15" "15" "square,edge2"]
1631 
+	Pad[-11250 16929 -11250 25197 1575 3000 2175 "40" "40" "square,edge2"]
1632 
+	Pad[-13750 16929 -13750 25197 1575 3000 2175 "16" "16" "square,edge2"]
1633 
+	Pad[-16250 16929 -16250 25197 1575 3000 2175 "41" "41" "square,edge2"]
1634 
+	Pad[-18750 16929 -18750 25197 1575 3000 2175 "17" "17" "square,edge2"]
1635 
+	Pad[-21250 16929 -21250 25197 1575 3000 2175 "42" "42" "square,edge2"]
1636 
+	Pad[-23750 16929 -23750 25197 1575 3000 2175 "18" "18" "square,edge2"]
1637 
+	Pad[-26250 16929 -26250 25197 1575 3000 2175 "43" "43" "square,edge2"]
1638 
+	Pad[-28750 16929 -28750 25197 1575 3000 2175 "19" "19" "square,edge2"]
1639 
+	Pad[-31250 16929 -31250 25197 1575 3000 2175 "44" "44" "square,edge2"]
1640 
+	Pad[-33750 16929 -33750 25197 1575 3000 2175 "20" "20" "square,edge2"]
1641 
+	Pad[-36250 16929 -36250 25197 1575 3000 2175 "45" "45" "square,edge2"]
1642 
+	Pad[-38750 16929 -38750 25197 1575 3000 2175 "21" "21" "square,edge2"]
1643 
+	Pad[-41250 16929 -41250 25197 1575 3000 2175 "46" "46" "square,edge2"]
1644 
+	Pad[-43750 16929 -43750 25197 1575 3000 2175 "22" "22" "square,edge2"]
1645 
+	Pad[-46250 16929 -46250 25197 1575 3000 2175 "47" "47" "square,edge2"]
1646 
+	Pad[-48750 16929 -48750 25197 1575 3000 2175 "23" "23" "square,edge2"]
1647 
+	Pad[-51250 16929 -51250 25197 1575 3000 2175 "48" "48" "square,edge2"]
1648 
+	Pad[-53750 16929 -53750 25197 1575 3000 2175 "24" "24" "square,edge2"]
1649 
+	Pad[-56250 16929 -56250 25197 1575 3000 2175 "49" "49" "square,edge2"]
1650 
+	Pad[-58750 16929 -58750 25197 1575 3000 2175 "25" "25" "square,edge2"]
1651 
+	Pad[-61250 16929 -61250 25197 1575 3000 2175 "50" "50" "square,edge2"]
1652 
+	Pad[91732 -87795 91732 -83859 11811 3000 12411 "S1" "100" "square"]
1653 
+	Pad[-91732 -87795 -91732 -83859 11811 3000 12411 "S2" "101" "square"]
1654 
+	ElementLine [87854 -130669 87854 -113780 1000]
1655 
+	ElementLine [81555 -130669 81555 -113780 1000]
1656 
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1657 
+	ElementLine [-87854 -130669 -87854 -113780 1000]
1658 
+	ElementLine [-81555 -130669 -81555 -113780 1000]
1659 
+	ElementLine [-81555 -130669 -87854 -130669 1000]
1660 
+	ElementLine [-59055 -31496 59055 -31496 1000]
1661 
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1662 
+	ElementLine [-59055 -31496 -78740 -113780 1000]
1663 
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1664 
+	ElementLine [-94094 -113780 -78740 -113780 1000]
1665 
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1666 
+	ElementLine [-94094 24016 -94094 -113780 1000]
1667 
+	ElementLine [-68504 7874 68504 7874 1000]
1668 
+	ElementLine [68504 24016 68504 7874 1000]
1669 
+	ElementLine [-68504 24016 -68504 7874 1000]
1670 
+	ElementLine [94094 24016 68504 24016 1000]
1671 
+	ElementLine [-94094 24016 -68504 24016 1000]
1672 
+
1673 
+	)
1674 
+
1675 
+Element["" "SMD 0805" "R12" "0805" 160000 170000 -5000 4500 0 100 ""]
1676 
+(
1677 
+	Pad[-3200 -1700 -3200 1700 3600 3000 4200 "1" "1" "square"]
1678 
+	Pad[3200 -1700 3200 1700 3600 3000 4200 "2" "2" "square"]
1679 
+	ElementLine [-6000 -4500 -6000 4500 1000]
1680 
+	ElementLine [-6000 4500 6000 4500 1000]
1681 
+	ElementLine [6000 4500 6000 -4500 1000]
1682 
+	ElementLine [6000 -4500 -6000 -4500 1000]
1683 
+
1684 
+	)
1685 
+
1686 
+Element["" "SMD 0805" "C19" "0805" 77500 165000 -5000 4500 0 100 ""]
1687 
+(
1688 
+	Pad[-3200 -1700 -3200 1700 3600 3000 4200 "1" "1" "square"]
1689 
+	Pad[3200 -1700 3200 1700 3600 3000 4200 "2" "2" "square"]
1690 
+	ElementLine [-6000 -4500 -6000 4500 1000]
1691 
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1692 
+	ElementLine [6000 4500 6000 -4500 1000]
1693 
+	ElementLine [6000 -4500 -6000 -4500 1000]
1694 
+
1695 
+	)
1696 
+
1697 
+Element["" "SMD 0805" "C20" "0805" 222500 165000 8750 -5303 0 100 ""]
1698 
+(
1699 
+	Pad[3200 -1700 3200 1700 3600 3000 4200 "1" "1" "square"]
1700 
+	Pad[-3200 -1700 -3200 1700 3600 3000 4200 "2" "2" "square"]
1701 
+	ElementLine [6000 -4500 6000 4500 1000]
1702 
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+	ElementLine [-6000 -4500 -6000 4500 1000]
1704 
+	ElementLine [-6000 4500 6000 4500 1000]
1705 
+
1706 
+	)
1707 
+
1708 
+Element["" "MEBP8-8G" "CON3" "MEBP8-8G" 375000 60000 -500 12000 0 100 ""]
1709 
+(
1710 
+	Pin[17500 -10000 6300 3000 6900 3550 "1" "1" "edge2"]
1711 
+	Pin[12500 0 6300 3000 6900 3550 "2" "2" "edge2"]
1712 
+	Pin[7500 -10000 6300 3000 6900 3550 "3" "3" "edge2"]
1713 
+	Pin[2500 0 6300 3000 6900 3550 "4" "4" "edge2"]
1714 
+	Pin[-2500 -10000 6300 3000 6900 3550 "5" "5" "edge2"]
1715 
+	Pin[-7500 0 6300 3000 6900 3550 "6" "6" "edge2"]
1716 
+	Pin[-12500 -10000 6300 3000 6900 3550 "7" "7" "edge2"]
1717 
+	Pin[-17500 0 6300 3000 6900 3550 "8" "8" "edge2"]
1718 
+	Pin[30492 -22992 10000 3000 10600 6299 "9" "9" "edge2,thermal(0X,1X)"]
1719 
+	Pin[-30492 -22992 10000 3000 10600 6299 "10" "10" "edge2,thermal(0X,1X)"]
1720 
+	Pin[22500 -35000 12795 3000 13395 12795 "11" "11" "hole,edge2"]
1721 
+	Pin[-22500 -35000 12795 3000 13395 12795 "12" "12" "hole,edge2"]
1722 
+	ElementLine [-22500 -20000 22500 -20000 1000]
1723 
+	ElementLine [-22500 -60000 -22500 -42000 1000]
1724 
+	ElementLine [-22500 -28000 -22500 -20000 1000]
1725 
+	ElementLine [22500 -60000 22500 -42000 1000]
1726 
+	ElementLine [22500 -28000 22500 -20000 1000]
1727 
+	ElementLine [-31260 -60000 -31260 10000 1000]
1728 
+	ElementLine [31260 -60000 31260 10000 1000]
1729 
+	ElementLine [-31260 -60000 31260 -60000 1000]
1730 
+	ElementLine [-31260 10000 31260 10000 1000]
1731 
+	ElementArc [-22500 -35000 7000 7000 180 360 1000]
1732 
+	ElementArc [22500 -35000 7000 7000 180 360 1000]
1733 
+
1734 
+	)
1735 
+
1736 
+Element["" "SMD 0805" "C5" "0805" 207500 300000 -2500 7000 0 100 ""]
1737 
+(
1738 
+	Pad[-1700 3200 1700 3200 3600 3000 4200 "1" "1" "square"]
1739 
+	Pad[-1700 -3200 1700 -3200 3600 3000 4200 "2" "2" "square"]
1740 
+	ElementLine [-4500 6000 4500 6000 1000]
1741 
+	ElementLine [4500 -6000 4500 6000 1000]
1742 
+	ElementLine [-4500 -6000 4500 -6000 1000]
1743 
+	ElementLine [-4500 -6000 -4500 6000 1000]
1744 
+
1745 
+	)
1746 
+
1747 
+Element["" "SMD 0805" "C22" "0805" 70000 220000 -15000 -3000 0 100 ""]
1748 
+(
1749 
+	Pad[-1700 3200 1700 3200 3600 3000 4200 "1" "1" "square"]
1750 
+	Pad[-1700 -3200 1700 -3200 3600 3000 4200 "2" "2" "square"]
1751 
+	ElementLine [-4500 6000 4500 6000 1000]
1752 
+	ElementLine [4500 -6000 4500 6000 1000]
1753 
+	ElementLine [-4500 -6000 4500 -6000 1000]
1754 
+	ElementLine [-4500 -6000 -4500 6000 1000]
1755 
+
1756 
+	)
1757 
+
1758 
+Element["" "SMD 0805" "C23" "0805" 85000 205000 -17500 -3000 0 100 ""]
1759 
+(
1760 
+	Pad[3200 -1700 3200 1700 3600 3000 4200 "1" "1" "square"]
1761 
+	Pad[-3200 -1700 -3200 1700 3600 3000 4200 "2" "2" "square"]
1762 
+	ElementLine [6000 -4500 6000 4500 1000]
1763 
+	ElementLine [-6000 -4500 6000 -4500 1000]
1764 
+	ElementLine [-6000 -4500 -6000 4500 1000]
1765 
+	ElementLine [-6000 4500 6000 4500 1000]
1766 
+
1767 
+	)
1768 
+
1769 
+Element["" "PIN" "J3" "3mm5" 31496 401575 15000 10000 0 100 ""]
1770 
+(
1771 
+	Pin[0 0 29528 3000 30128 13780 "" "1" "thermal(0X,1X)"]
1772 
+	ElementArc [0 0 16000 16000 0 360 1000]
1773 
+
1774 
+	)
1775 
+
1776 
+Element["" "TO220_3" "IC1" "flat" 150000 300000 -56500 23000 0 100 ""]
1777 
+(
1778 
+	Pin[0 10000 8200 3000 8800 4000 "1" "1" "square,edge2"]
1779 
+	Pin[0 0 8200 3000 8800 4000 "2" "2" "edge2"]
1780 
+	Pin[0 -10000 8200 3000 8800 4000 "3" "3" "edge2"]
1781 
+	Pin[-67000 0 18000 3000 18600 13000 "4" "4" "edge2"]
1782 
+	ElementLine [-18000 10000 0 10000 3000]
1783 
+	ElementLine [-18000 0 0 0 3000]
1784 
+	ElementLine [-18000 -10000 0 -10000 3000]
1785 
+	ElementLine [-18000 -20000 -18000 20000 2000]
1786 
+	ElementLine [-55500 -20000 -18000 -20000 2000]
1787 
+	ElementLine [-55500 -20000 -55500 20000 2000]
1788 
+	ElementLine [-55500 20000 -18000 20000 2000]
1789 
+	ElementLine [-55500 -20000 -55500 20000 2000]
1790 
+	ElementLine [-68000 -20000 -55500 -20000 2000]
1791 
+	ElementLine [-68000 -20000 -68000 -18500 2000]
1792 
+	ElementLine [-75000 -18500 -68000 -18500 2000]
1793 
+	ElementLine [-75000 -20000 -75000 -18500 2000]
1794 
+	ElementLine [-79000 -20000 -75000 -20000 2000]
1795 
+	ElementLine [-79000 -20000 -79000 20000 2000]
1796 
+	ElementLine [-79000 20000 -75000 20000 2000]
1797 
+	ElementLine [-75000 18500 -75000 20000 2000]
1798 
+	ElementLine [-75000 18500 -68000 18500 2000]
1799 
+	ElementLine [-68000 18500 -68000 20000 2000]
1800 
+	ElementLine [-68000 20000 -55500 20000 2000]
1801 
+
1802 
+	)
1803 
+
1804 
+Element["" "electrolytic capacitor" "C4" "100" 145000 237500 -22500 10000 0 100 ""]
1805 
+(
1806 
+	Pin[0 0 6300 3000 6900 3150 "+" "1" "square,edge2"]
1807 
+	Pin[-10000 0 6300 3000 6900 3150 "-" "2" "edge2"]
1808 
+	ElementLine [2000 4000 2000 8000 1000]
1809 
+	ElementLine [0 6000 4000 6000 1000]
1810 
+	ElementLine [-10000 0 -6500 0 1000]
1811 
+	ElementLine [-6500 -10000 -6500 10000 1000]
1812 
+	ElementLine [-3500 -10000 -3500 10000 1000]
1813 
+	ElementLine [-3500 0 0 0 1000]
1814 
+	ElementArc [-5000 0 15000 15000 180 360 1000]
1815 
+
1816 
+	)
1817 
+
1818 
+Element["" "capacitor" "C3" "200" 140000 270000 -23000 -2200 0 100 ""]
1819 
+(
1820 
+	Pin[10000 0 6300 3000 6900 3150 "" "1" "edge2"]
1821 
+	Pin[-10000 0 6300 3000 6900 3150 "" "2" "edge2"]
1822 
+	ElementLine [-10000 0 -2500 0 1000]
1823 
+	ElementLine [-2500 -4000 -2500 4000 1000]
1824 
+	ElementLine [2500 -4000 2500 4000 1000]
1825 
+	ElementLine [2500 0 10000 0 1000]
1826 
+	ElementLine [14000 -5000 14000 5000 1000]
1827 
+	ElementLine [-14000 -5000 14000 -5000 1000]
1828 
+	ElementLine [-14000 -5000 -14000 5000 1000]
1829 
+	ElementLine [-14000 5000 14000 5000 1000]
1830 
+
1831 
+	)
1832 
+
1833 
+Element["" "MINIMELF" "D2" "" 185000 295000 -6000 -12100 0 100 ""]
1834 
+(
1835 
+	Pad[6693 -984 6693 984 4724 3000 5324 "1" "1" "square"]
1836 
+	Pad[-6693 -984 -6693 984 4724 3000 5324 "2" "2" "square"]
1837 
+	ElementLine [11000 -3000 11000 3000 2000]
1838 
+	ElementLine [11000 -3000 7000 -5000 1000]
1839 
+	ElementLine [-11000 -5000 7000 -5000 1000]
1840 
+	ElementLine [-11000 -5000 -11000 5000 1000]
1841 
+	ElementLine [-11000 5000 7000 5000 1000]
1842 
+	ElementLine [7000 5000 11000 3000 1000]
1843 
+
1844 
+	)
1845 
+
1846 
+Element["" "SMD 0805" "C11" "0805" 317500 257500 -5000 4500 0 100 ""]
1847 
+(
1848 
+	Pad[-3200 -1700 -3200 1700 3600 3000 4200 "1" "1" "square"]
1849 
+	Pad[3200 -1700 3200 1700 3600 3000 4200 "2" "2" "square"]
1850 
+	ElementLine [-6000 -4500 -6000 4500 1000]
1851 
+	ElementLine [-6000 4500 6000 4500 1000]
1852 
+	ElementLine [6000 4500 6000 -4500 1000]
1853 
+	ElementLine [6000 -4500 -6000 -4500 1000]
1854 
+
1855 
+	)
1856 
+
1857 
+Element["" "SMD 0805" "C6" "0805" 312500 355000 0 4500 0 100 ""]
1858 
+(
1859 
+	Pad[3200 -1700 3200 1700 3600 3000 4200 "1" "1" "square"]
1860 
+	Pad[-3200 -1700 -3200 1700 3600 3000 4200 "2" "2" "square"]
1861 
+	ElementLine [6000 -4500 6000 4500 1000]
1862 
+	ElementLine [-6000 -4500 6000 -4500 1000]
1863 
+	ElementLine [-6000 -4500 -6000 4500 1000]
1864 
+	ElementLine [-6000 4500 6000 4500 1000]
1865 
+
1866 
+	)
1867 
+
1868 
+Element["" "QFP64 0.8mm" "IC2" "QFP64_08" 265000 315000 29950 27450 0 100 ""]
1869 
+(
1870 
+	Pad[-23650 30250 -23650 34850 1500 3000 2100 "1" "1" "edge2"]
1871 
+	Pad[-20550 30250 -20550 34850 1500 3000 2100 "2" "2" "square,edge2"]
1872 
+	Pad[-17450 30250 -17450 34850 1500 3000 2100 "3" "3" "square,edge2"]
1873 
+	Pad[-14250 30250 -14250 34850 1500 3000 2100 "4" "4" "square,edge2"]
1874 
+	Pad[-11150 30250 -11150 34850 1500 3000 2100 "5" "5" "square,edge2"]
1875 
+	Pad[-7950 30250 -7950 34850 1500 3000 2100 "6" "6" "square,edge2"]
1876 
+	Pad[-4850 30250 -4850 34850 1500 3000 2100 "7" "7" "square,edge2"]
1877 
+	Pad[-1650 30250 -1650 34850 1500 3000 2100 "8" "8" "square,edge2"]
1878 
+	Pad[1450 30250 1450 34850 1500 3000 2100 "9" "9" "square,edge2"]
1879 
+	Pad[4650 30250 4650 34850 1500 3000 2100 "10" "10" "square,edge2"]
1880 
+	Pad[7750 30250 7750 34850 1500 3000 2100 "11" "11" "square,edge2"]
1881 
+	Pad[10950 30250 10950 34850 1500 3000 2100 "12" "12" "square,edge2"]
1882 
+	Pad[14050 30250 14050 34850 1500 3000 2100 "13" "13" "square,edge2"]
1883 
+	Pad[17250 30250 17250 34850 1500 3000 2100 "14" "14" "square,edge2"]
1884 
+	Pad[20350 30250 20350 34850 1500 3000 2100 "15" "15" "square,edge2"]
1885 
+	Pad[23550 30250 23550 34850 1500 3000 2100 "16" "16" "square,edge2"]
1886 
+	Pad[30250 23650 34850 23650 1500 3000 2100 "17" "17" "square,edge2"]
1887 
+	Pad[30250 20550 34850 20550 1500 3000 2100 "18" "18" "square,edge2"]
1888 
+	Pad[30250 17450 34850 17450 1500 3000 2100 "19" "19" "square,edge2"]
1889 
+	Pad[30250 14250 34850 14250 1500 3000 2100 "20" "20" "square,edge2"]
1890 
+	Pad[30250 11150 34850 11150 1500 3000 2100 "21" "21" "square,edge2"]
1891 
+	Pad[30250 7950 34850 7950 1500 3000 2100 "22" "22" "square,edge2"]
1892 
+	Pad[30250 4850 34850 4850 1500 3000 2100 "23" "23" "square,edge2"]
1893 
+	Pad[30250 1650 34850 1650 1500 3000 2100 "24" "24" "square,edge2"]
1894 
+	Pad[30250 -1450 34850 -1450 1500 3000 2100 "25" "25" "square,edge2"]
1895 
+	Pad[30250 -4650 34850 -4650 1500 3000 2100 "26" "26" "square,edge2"]
1896 
+	Pad[30250 -7750 34850 -7750 1500 3000 2100 "27" "27" "square,edge2"]
1897 
+	Pad[30250 -10950 34850 -10950 1500 3000 2100 "28" "28" "square,edge2"]
1898 
+	Pad[30250 -14050 34850 -14050 1500 3000 2100 "29" "29" "square,edge2"]
1899 
+	Pad[30250 -17250 34850 -17250 1500 3000 2100 "30" "30" "square,edge2"]
1900 
+	Pad[30250 -20350 34850 -20350 1500 3000 2100 "31" "31" "square,edge2"]
1901 
+	Pad[30250 -23550 34850 -23550 1500 3000 2100 "32" "32" "square,edge2"]
1902 
+	Pad[23650 -34850 23650 -30250 1500 3000 2100 "33" "33" "square"]
1903 
+	Pad[20550 -34850 20550 -30250 1500 3000 2100 "34" "34" "square"]
1904 
+	Pad[17450 -34850 17450 -30250 1500 3000 2100 "35" "35" "square"]
1905 
+	Pad[14250 -34850 14250 -30250 1500 3000 2100 "36" "36" "square"]
1906 
+	Pad[11150 -34850 11150 -30250 1500 3000 2100 "37" "37" "square"]
1907 
+	Pad[7950 -34850 7950 -30250 1500 3000 2100 "38" "38" "square"]
1908 
+	Pad[4850 -34850 4850 -30250 1500 3000 2100 "39" "39" "square"]
1909 
+	Pad[1650 -34850 1650 -30250 1500 3000 2100 "40" "40" "square"]
1910 
+	Pad[-1450 -34850 -1450 -30250 1500 3000 2100 "41" "41" "square"]
1911 
+	Pad[-4650 -34850 -4650 -30250 1500 3000 2100 "42" "42" "square"]
1912 
+	Pad[-7750 -34850 -7750 -30250 1500 3000 2100 "43" "43" "square"]
1913 
+	Pad[-10950 -34850 -10950 -30250 1500 3000 2100 "44" "44" "square"]
1914 
+	Pad[-14050 -34850 -14050 -30250 1500 3000 2100 "45" "45" "square"]
1915 
+	Pad[-17250 -34850 -17250 -30250 1500 3000 2100 "46" "46" "square"]
1916 
+	Pad[-20350 -34850 -20350 -30250 1500 3000 2100 "47" "47" "square"]
1917 
+	Pad[-23550 -34850 -23550 -30250 1500 3000 2100 "48" "48" "square"]
1918 
+	Pad[-34850 -23650 -30250 -23650 1500 3000 2100 "49" "49" "square"]
1919 
+	Pad[-34850 -20550 -30250 -20550 1500 3000 2100 "50" "50" "square"]
1920 
+	Pad[-34850 -17450 -30250 -17450 1500 3000 2100 "51" "51" "square"]
1921 
+	Pad[-34850 -14250 -30250 -14250 1500 3000 2100 "52" "52" "square"]
1922 
+	Pad[-34850 -11150 -30250 -11150 1500 3000 2100 "53" "53" "square"]
1923 
+	Pad[-34850 -7950 -30250 -7950 1500 3000 2100 "54" "54" "square"]
1924 
+	Pad[-34850 -4850 -30250 -4850 1500 3000 2100 "55" "55" "square"]
1925 
+	Pad[-34850 -1650 -30250 -1650 1500 3000 2100 "56" "56" "square"]
1926 
+	Pad[-34850 1450 -30250 1450 1500 3000 2100 "57" "57" "square"]
1927 
+	Pad[-34850 4650 -30250 4650 1500 3000 2100 "58" "58" "square"]
1928 
+	Pad[-34850 7750 -30250 7750 1500 3000 2100 "59" "59" "square"]
1929 
+	Pad[-34850 10950 -30250 10950 1500 3000 2100 "60" "60" "square"]
1930 
+	Pad[-34850 14050 -30250 14050 1500 3000 2100 "61" "61" "square"]
1931 
+	Pad[-34850 17250 -30250 17250 1500 3000 2100 "62" "62" "square"]
1932 
+	Pad[-34850 20350 -30250 20350 1500 3000 2100 "63" "63" "square"]
1933 
+	Pad[-34850 23550 -30250 23550 1500 3000 2100 "64" "64" "square"]
1934 
+	ElementLine [-27550 -27550 -27550 24750 1000]
1935 
+	ElementLine [-27550 -27550 27550 -27550 1000]
1936 
+	ElementLine [27550 -27550 27550 27550 1000]
1937 
+	ElementLine [-24750 27550 27550 27550 1000]
1938 
+	ElementLine [-24750 27550 -27550 24750 1000]
1939 
+	ElementArc [-24050 24050 1000 1000 90 360 1000]
1940 
+
1941 
+	)
1942 
+
1943 
+Element["" "SMD 0805" "C8" "0805" 350000 330000 -5000 4500 0 100 ""]
1944 
+(
1945 
+	Pad[3200 -1700 3200 1700 3600 3000 4200 "1" "1" "square"]
1946 
+	Pad[-3200 -1700 -3200 1700 3600 3000 4200 "2" "2" "square"]
1947 
+	ElementLine [6000 -4500 6000 4500 1000]
1948 
+	ElementLine [-6000 -4500 6000 -4500 1000]
1949 
+	ElementLine [-6000 -4500 -6000 4500 1000]
1950 
+	ElementLine [-6000 4500 6000 4500 1000]
1951 
+
1952 
+	)
1953 
+
1954 
+Element["" "crystal HC18" "X2" "HC18" 270000 245000 -2500 12000 0 100 ""]
1955 
+(
1956 
+	Pin[0 0 6000 3000 6600 3000 "1" "1" ""]
1957 
+	Pin[0 -20000 6000 3000 6600 3000 "2" "2" ""]
1958 
+	ElementLine [-10000 -20000 -10000 0 1000]
1959 
+	ElementLine [10000 -20000 10000 0 1000]
1960 
+	ElementArc [0 0 10000 10000 0 180 1000]
1961 
+	ElementArc [0 -20000 10000 10000 180 180 1000]
1962 
+
1963 
+	)
1964 
+
1965 
+Element["" "SMD 0805" "R2" "0805" 270000 375000 -2500 7000 0 100 ""]
1966 
+(
1967 
+	Pad[-1700 3200 1700 3200 3600 3000 4200 "1" "1" "square"]
1968 
+	Pad[-1700 -3200 1700 -3200 3600 3000 4200 "2" "2" "square"]
1969 
+	ElementLine [-4500 6000 4500 6000 1000]
1970 
+	ElementLine [4500 -6000 4500 6000 1000]
1971 
+	ElementLine [-4500 -6000 4500 -6000 1000]
1972 
+	ElementLine [-4500 -6000 -4500 6000 1000]
1973 
+
1974 
+	)
1975 
+
1976 
+Element["" "SMD 0805" "R3" "0805" 350000 375000 -5000 4500 0 100 ""]
1977 
+(
1978 
+	Pad[-3200 -1700 -3200 1700 3600 3000 4200 "1" "1" "square"]
1979 
+	Pad[3200 -1700 3200 1700 3600 3000 4200 "2" "2" "square"]
1980 
+	ElementLine [-6000 -4500 -6000 4500 1000]
1981 
+	ElementLine [-6000 4500 6000 4500 1000]
1982 
+	ElementLine [6000 4500 6000 -4500 1000]
1983 
+	ElementLine [6000 -4500 -6000 -4500 1000]
1984 
+
1985 
+	)
1986 
+
1987 
+Element["" "SMD LED 0603" "LED2" "0603" 385000 125000 -5200 -11200 0 100 ""]
1988 
+(
1989 
+	Pad[-900 2400 900 2400 2400 2000 3000 "K" "1" "square"]
1990 
+	Pad[-900 -2400 900 -2400 2400 2000 3000 "A" "2" "square"]
1991 
+	ElementLine [-4200 4200 4200 4200 1000]
1992 
+	ElementLine [2700 4200 4200 -4200 1000]
1993 
+	ElementLine [-4200 -4200 4200 -4200 1000]
1994 
+	ElementLine [-4200 -4200 -2700 4200 1000]
1995 
+
1996 
+	)
1997 
+
1998 
+Element["" "SMD LED 0603" "LED3" "0603" 400000 125000 -5200 -11200 0 100 ""]
1999 
+(
2000 
+	Pad[-900 2400 900 2400 2400 2000 3000 "K" "1" "square"]
2001 
+	Pad[-900 -2400 900 -2400 2400 2000 3000 "A" "2" "square"]
2002 
+	ElementLine [-4200 4200 4200 4200 1000]
2003 
+	ElementLine [2700 4200 4200 -4200 1000]
2004 
+	ElementLine [-4200 -4200 4200 -4200 1000]
2005 
+	ElementLine [-4200 -4200 -2700 4200 1000]
2006 
+
2007 
+	)
2008 
+
2009 
+Element["" "SMD LED 0603" "LED4" "0603" 415000 125000 -5200 -11200 0 100 ""]
2010 
+(
2011 
+	Pad[-900 2400 900 2400 2400 2000 3000 "K" "1" "square"]
2012 
+	Pad[-900 -2400 900 -2400 2400 2000 3000 "A" "2" "square"]
2013 
+	ElementLine [-4200 4200 4200 4200 1000]
2014 
+	ElementLine [2700 4200 4200 -4200 1000]
2015 
+	ElementLine [-4200 -4200 4200 -4200 1000]
2016 
+	ElementLine [-4200 -4200 -2700 4200 1000]
2017 
+
2018 
+	)
2019 
+
2020 
+Element["" "SMD 0805" "R10" "0805" 415000 140000 -2500 7000 0 100 ""]
2021 
+(
2022 
+	Pad[-1700 3200 1700 3200 3600 3000 4200 "1" "1" "square"]
2023 
+	Pad[-1700 -3200 1700 -3200 3600 3000 4200 "2" "2" "square"]
2024 
+	ElementLine [-4500 6000 4500 6000 1000]
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+	ElementLine [4500 -6000 4500 6000 1000]
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+	ElementLine [-4500 -6000 4500 -6000 1000]
2027 
+	ElementLine [-4500 -6000 -4500 6000 1000]
2028 
+
2029 
+	)
2030 
+
2031 
+Element["" "SMD 0805" "R8" "0805" 385000 140000 -2500 7000 0 100 ""]
2032 
+(
2033 
+	Pad[-1700 3200 1700 3200 3600 3000 4200 "1" "1" "square"]
2034 
+	Pad[-1700 -3200 1700 -3200 3600 3000 4200 "2" "2" "square"]
2035 
+	ElementLine [-4500 6000 4500 6000 1000]
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+	ElementLine [4500 -6000 4500 6000 1000]
2037 
+	ElementLine [-4500 -6000 4500 -6000 1000]
2038 
+	ElementLine [-4500 -6000 -4500 6000 1000]
2039 
+
2040 
+	)
2041 
+
2042 
+Element["" "SMD 0805" "R9" "0805" 400000 140000 -2500 7000 0 100 ""]
2043 
+(
2044 
+	Pad[-1700 3200 1700 3200 3600 3000 4200 "1" "1" "square"]
2045 
+	Pad[-1700 -3200 1700 -3200 3600 3000 4200 "2" "2" "square"]
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+	ElementLine [-4500 6000 4500 6000 1000]
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+	ElementLine [4500 -6000 4500 6000 1000]
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+	ElementLine [-4500 -6000 4500 -6000 1000]
2049 
+	ElementLine [-4500 -6000 -4500 6000 1000]
2050 
+
2051 
+	)
2052 
+
2053 
+Element["" "DC power connector" "CON1" "HEBW25" 80000 398937 18500 26000 0 150 ""]
2054 
+(
2055 
+	Pin[0 -24409 18000 3000 18600 11811 "inner" "1" ""]
2056 
+	Pin[20472 -12205 16000 3000 16600 9448 "outer" "2" ""]
2057 
+	Pin[0 0 16000 3000 16600 9448 "outer" "2" ""]
2058 
+	ElementLine [-16000 -24000 16000 -24000 2000]
2059 
+	ElementLine [-16000 -24000 -16000 30000 2000]
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+	ElementLine [16000 -24000 16000 30000 2000]
2061 
+	ElementLine [-16000 30000 16000 30000 2000]
2062 
+	ElementLine [-12500 -14000 -12500 30000 1000]
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+	ElementLine [-12500 -14000 12500 -14000 1000]
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+	ElementLine [-5000 -14000 -5000 26000 1000]
2066 
+	ElementLine [5000 -14000 5000 26000 1000]
2067 
+	ElementLine [-5000 26000 5000 26000 1000]
2068 
+
2069 
+	)
2070 
+Layer(1 "component")
2071 
+(
2072 
+	Line[100000 350000 115000 365000 8000 2300 "clearline"]
2073 
+	Line[115000 365000 140000 365000 8000 2300 "clearline"]
2074 
+	Line[140000 365000 145000 360000 8000 2300 "clearline"]
2075 
+	Line[145000 360000 145000 355000 8000 2300 "clearline"]
2076 
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3474 
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3480 
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3483 
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3488 
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3489 
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3490 
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3491 
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3492 
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3494 
+(
3495 
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3496 
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3497 
+		Connect("C1-2")
3498 
+		Connect("C2-2")
3499 
+		Connect("C3-2")
3500 
+		Connect("C4-2")
3501 
+		Connect("C5-1")
3502 
+		Connect("C6-1")
3503 
+		Connect("C7-1")
3504 
+		Connect("C8-1")
3505 
+		Connect("C9-1")
3506 
+		Connect("C10-1")
3507 
+		Connect("C11-1")
3508 
+		Connect("C12-1")
3509 
+		Connect("C13-1")
3510 
+		Connect("C14-1")
3511 
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3512 
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3513 
+		Connect("C19-1")
3514 
+		Connect("C20-1")
3515 
+		Connect("C21-2")
3516 
+		Connect("C23-1")
3517 
+		Connect("C25-1")
3518 
+		Connect("CF1-1")
3519 
+		Connect("CF1-8")
3520 
+		Connect("CF1-10")
3521 
+		Connect("CF1-11")
3522 
+		Connect("CF1-12")
3523 
+		Connect("CF1-14")
3524 
+		Connect("CF1-15")
3525 
+		Connect("CF1-16")
3526 
+		Connect("CF1-17")
3527 
+		Connect("CF1-39")
3528 
+		Connect("CF1-50")
3529 
+		Connect("CF1-100")
3530 
+		Connect("CF1-101")
3531 
+		Connect("CON1-2")
3532 
+		Connect("CON4-1")
3533 
+		Connect("CON4-5")
3534 
+		Connect("CON4-100")
3535 
+		Connect("CON4-101")
3536 
+		Connect("CON5-1")
3537 
+		Connect("CON5-5")
3538 
+		Connect("CON5-100")
3539 
+		Connect("CON5-101")
3540 
+		Connect("CON6-10")
3541 
+		Connect("CON7-10")
3542 
+		Connect("CON8-6")
3543 
+		Connect("CON8-10")
3544 
+		Connect("CON9-4")
3545 
+		Connect("CON9-6")
3546 
+		Connect("CON9-8")
3547 
+		Connect("CON9-10")
3548 
+		Connect("IC1-2")
3549 
+		Connect("IC2-22")
3550 
+		Connect("IC2-53")
3551 
+		Connect("IC2-63")
3552 
+		Connect("IC3-11")
3553 
+		Connect("IC3-12")
3554 
+		Connect("IC3-13")
3555 
+		Connect("IC3-14")
3556 
+		Connect("IC3-18")
3557 
+		Connect("IC3-19")
3558 
+		Connect("IC3-20")
3559 
+		Connect("IC3-21")
3560 
+		Connect("IC3-22")
3561 
+		Connect("IC3-23")
3562 
+		Connect("IC3-24")
3563 
+		Connect("IC3-25")
3564 
+		Connect("IC3-26")
3565 
+		Connect("IC3-27")
3566 
+		Connect("IC3-28")
3567 
+		Connect("IC3-44")
3568 
+		Connect("IC3-52")
3569 
+		Connect("IC3-64")
3570 
+		Connect("IC3-83")
3571 
+		Connect("IC3-86")
3572 
+		Connect("IC4-15")
3573 
+		Connect("J1-1")
3574 
+		Connect("J2-1")
3575 
+		Connect("J3-1")
3576 
+		Connect("J4-1")
3577 
+		Connect("LED1-1")
3578 
+		Connect("R6-1")
3579 
+	)
3580 
+	Net("unnamed_net1" "(unknown)")
3581 
+	(
3582 
+		Connect("CON9-5")
3583 
+		Connect("IC2-20")
3584 
+		Connect("R1-2")
3585 
+	)
3586 
+	Net("unnamed_net2" "(unknown)")
3587 
+	(
3588 
+		Connect("CON7-8")
3589 
+		Connect("IC2-54")
3590 
+	)
3591 
+	Net("unnamed_net3" "(unknown)")
3592 
+	(
3593 
+		Connect("CON9-1")
3594 
+		Connect("IC2-2")
3595 
+		Connect("R4-2")
3596 
+	)
3597 
+	Net("unnamed_net4" "(unknown)")
3598 
+	(
3599 
+		Connect("C9-2")
3600 
+		Connect("IC2-24")
3601 
+		Connect("X1-2")
3602 
+	)
3603 
+	Net("unnamed_net5" "(unknown)")
3604 
+	(
3605 
+		Connect("C8-2")
3606 
+		Connect("IC2-23")
3607 
+		Connect("X1-1")
3608 
+	)
3609 
+	Net("unnamed_net6" "(unknown)")
3610 
+	(
3611 
+		Connect("C7-2")
3612 
+		Connect("IC2-62")
3613 
+	)
3614 
+	Net("unnamed_net7" "(unknown)")
3615 
+	(
3616 
+		Connect("C5-2")
3617 
+		Connect("C6-2")
3618 
+		Connect("CON9-2")
3619 
+		Connect("CON9-3")
3620 
+		Connect("D2-1")
3621 
+		Connect("IC2-1")
3622 
+		Connect("IC2-21")
3623 
+		Connect("IC2-52")
3624 
+		Connect("IC2-64")
3625 
+		Connect("R1-1")
3626 
+	)
3627 
+	Net("unnamed_net8" "(unknown)")
3628 
+	(
3629 
+		Connect("IC2-19")
3630 
+		Connect("IC3-10")
3631 
+	)
3632 
+	Net("unnamed_net9" "(unknown)")
3633 
+	(
3634 
+		Connect("IC2-18")
3635 
+		Connect("IC3-9")
3636 
+	)
3637 
+	Net("unnamed_net10" "(unknown)")
3638 
+	(
3639 
+		Connect("CF1-18")
3640 
+		Connect("IC2-43")
3641 
+		Connect("IC3-8")
3642 
+	)
3643 
+	Net("unnamed_net11" "(unknown)")
3644 
+	(
3645 
+		Connect("CF1-19")
3646 
+		Connect("IC2-34")
3647 
+		Connect("IC3-7")
3648 
+	)
3649 
+	Net("unnamed_net12" "(unknown)")
3650 
+	(
3651 
+		Connect("CF1-20")
3652 
+		Connect("IC2-33")
3653 
+		Connect("IC3-5")
3654 
+	)
3655 
+	Net("unnamed_net13" "(unknown)")
3656 
+	(
3657 
+		Connect("CON7-7")
3658 
+		Connect("IC2-55")
3659 
+	)
3660 
+	Net("unnamed_net14" "(unknown)")
3661 
+	(
3662 
+		Connect("CON7-6")
3663 
+		Connect("IC2-56")
3664 
+	)
3665 
+	Net("unnamed_net15" "(unknown)")
3666 
+	(
3667 
+		Connect("CON7-5")
3668 
+		Connect("IC2-57")
3669 
+	)
3670 
+	Net("unnamed_net16" "(unknown)")
3671 
+	(
3672 
+		Connect("CON7-4")
3673 
+		Connect("IC2-58")
3674 
+	)
3675 
+	Net("unnamed_net17" "(unknown)")
3676 
+	(
3677 
+		Connect("CON7-3")
3678 
+		Connect("IC2-59")
3679 
+	)
3680 
+	Net("unnamed_net18" "(unknown)")
3681 
+	(
3682 
+		Connect("CON7-2")
3683 
+		Connect("IC2-60")
3684 
+	)
3685 
+	Net("unnamed_net19" "(unknown)")
3686 
+	(
3687 
+		Connect("CON7-1")
3688 
+		Connect("IC2-61")
3689 
+	)
3690 
+	Net("unnamed_net20" "(unknown)")
3691 
+	(
3692 
+		Connect("CON9-9")
3693 
+		Connect("IC2-3")
3694 
+		Connect("IC4-11")
3695 
+	)
3696 
+	Net("unnamed_net21" "(unknown)")
3697 
+	(
3698 
+		Connect("IC2-4")
3699 
+		Connect("R5-2")
3700 
+	)
3701 
+	Net("unnamed_net22" "(unknown)")
3702 
+	(
3703 
+		Connect("IC2-5")
3704 
+		Connect("IC3-33")
3705 
+	)
3706 
+	Net("unnamed_net23" "(unknown)")
3707 
+	(
3708 
+		Connect("IC2-6")
3709 
+		Connect("IC3-34")
3710 
+	)
3711 
+	Net("unnamed_net24" "(unknown)")
3712 
+	(
3713 
+		Connect("IC2-7")
3714 
+		Connect("IC3-4")
3715 
+	)
3716 
+	Net("unnamed_net25" "(unknown)")
3717 
+	(
3718 
+		Connect("CF1-9")
3719 
+		Connect("IC2-8")
3720 
+		Connect("IC3-29")
3721 
+	)
3722 
+	Net("unnamed_net26" "(unknown)")
3723 
+	(
3724 
+		Connect("CF1-36")
3725 
+		Connect("IC2-9")
3726 
+		Connect("IC3-30")
3727 
+	)
3728 
+	Net("unnamed_net27" "(unknown)")
3729 
+	(
3730 
+		Connect("CON8-7")
3731 
+		Connect("IC2-25")
3732 
+	)
3733 
+	Net("unnamed_net28" "(unknown)")
3734 
+	(
3735 
+		Connect("CON8-8")
3736 
+		Connect("IC2-26")
3737 
+	)
3738 
+	Net("unnamed_net29" "(unknown)")
3739 
+	(
3740 
+		Connect("IC2-27")
3741 
+		Connect("IC4-9")
3742 
+	)
3743 
+	Net("unnamed_net30" "(unknown)")
3744 
+	(
3745 
+		Connect("IC2-28")
3746 
+		Connect("IC4-10")
3747 
+	)
3748 
+	Net("unnamed_net31" "(unknown)")
3749 
+	(
3750 
+		Connect("IC2-29")
3751 
+		Connect("IC3-79")
3752 
+	)
3753 
+	Net("unnamed_net32" "(unknown)")
3754 
+	(
3755 
+		Connect("IC2-30")
3756 
+		Connect("IC3-78")
3757 
+	)
3758 
+	Net("unnamed_net33" "(unknown)")
3759 
+	(
3760 
+		Connect("IC2-31")
3761 
+		Connect("IC3-77")
3762 
+	)
3763 
+	Net("unnamed_net34" "(unknown)")
3764 
+	(
3765 
+		Connect("IC2-32")
3766 
+		Connect("IC3-76")
3767 
+	)
3768 
+	Net("unnamed_net35" "(unknown)")
3769 
+	(
3770 
+		Connect("CON6-1")
3771 
+		Connect("IC2-35")
3772 
+	)
3773 
+	Net("unnamed_net36" "(unknown)")
3774 
+	(
3775 
+		Connect("CON6-2")
3776 
+		Connect("IC2-36")
3777 
+	)
3778 
+	Net("unnamed_net37" "(unknown)")
3779 
+	(
3780 
+		Connect("CON6-3")
3781 
+		Connect("IC2-37")
3782 
+	)
3783 
+	Net("unnamed_net38" "(unknown)")
3784 
+	(
3785 
+		Connect("CON6-4")
3786 
+		Connect("IC2-38")
3787 
+	)
3788 
+	Net("unnamed_net39" "(unknown)")
3789 
+	(
3790 
+		Connect("CON6-5")
3791 
+		Connect("IC2-39")
3792 
+	)
3793 
+	Net("unnamed_net40" "(unknown)")
3794 
+	(
3795 
+		Connect("CON6-6")
3796 
+		Connect("IC2-40")
3797 
+	)
3798 
+	Net("unnamed_net41" "(unknown)")
3799 
+	(
3800 
+		Connect("CON6-7")
3801 
+		Connect("IC2-41")
3802 
+	)
3803 
+	Net("unnamed_net42" "(unknown)")
3804 
+	(
3805 
+		Connect("CON6-8")
3806 
+		Connect("IC2-42")
3807 
+	)
3808 
+	Net("unnamed_net43" "(unknown)")
3809 
+	(
3810 
+		Connect("CON8-4")
3811 
+		Connect("IC2-10")
3812 
+	)
3813 
+	Net("unnamed_net44" "(unknown)")
3814 
+	(
3815 
+		Connect("IC2-11")
3816 
+		Connect("R2-2")
3817 
+	)
3818 
+	Net("unnamed_net45" "(unknown)")
3819 
+	(
3820 
+		Connect("CON8-3")
3821 
+		Connect("IC2-12")
3822 
+	)
3823 
+	Net("unnamed_net46" "(unknown)")
3824 
+	(
3825 
+		Connect("CON8-2")
3826 
+		Connect("IC2-13")
3827 
+	)
3828 
+	Net("unnamed_net47" "(unknown)")
3829 
+	(
3830 
+		Connect("CF1-26")
3831 
+		Connect("IC2-14")
3832 
+		Connect("R11-1")
3833 
+	)
3834 
+	Net("unnamed_net48" "(unknown)")
3835 
+	(
3836 
+		Connect("CF1-41")
3837 
+		Connect("IC2-15")
3838 
+	)
3839 
+	Net("unnamed_net49" "(unknown)")
3840 
+	(
3841 
+		Connect("CF1-7")
3842 
+		Connect("IC2-16")
3843 
+	)
3844 
+	Net("unnamed_net50" "(unknown)")
3845 
+	(
3846 
+		Connect("CF1-37")
3847 
+		Connect("IC2-17")
3848 
+		Connect("R12-1")
3849 
+	)
3850 
+	Net("unnamed_net51" "(unknown)")
3851 
+	(
3852 
+		Connect("CF1-21")
3853 
+		Connect("IC2-51")
3854 
+		Connect("IC3-36")
3855 
+	)
3856 
+	Net("unnamed_net52" "(unknown)")
3857 
+	(
3858 
+		Connect("CF1-22")
3859 
+		Connect("IC2-50")
3860 
+		Connect("IC3-37")
3861 
+	)
3862 
+	Net("unnamed_net53" "(unknown)")
3863 
+	(
3864 
+		Connect("CF1-23")
3865 
+		Connect("IC2-49")
3866 
+		Connect("IC3-38")
3867 
+	)
3868 
+	Net("unnamed_net54" "(unknown)")
3869 
+	(
3870 
+		Connect("CF1-2")
3871 
+		Connect("IC2-48")
3872 
+		Connect("IC3-39")
3873 
+	)
3874 
+	Net("unnamed_net55" "(unknown)")
3875 
+	(
3876 
+		Connect("CF1-3")
3877 
+		Connect("IC2-47")
3878 
+		Connect("IC3-40")
3879 
+	)
3880 
+	Net("unnamed_net56" "(unknown)")
3881 
+	(
3882 
+		Connect("CF1-4")
3883 
+		Connect("IC2-46")
3884 
+		Connect("IC3-41")
3885 
+	)
3886 
+	Net("unnamed_net57" "(unknown)")
3887 
+	(
3888 
+		Connect("CF1-5")
3889 
+		Connect("IC2-45")
3890 
+		Connect("IC3-42")
3891 
+	)
3892 
+	Net("unnamed_net58" "(unknown)")
3893 
+	(
3894 
+		Connect("CF1-6")
3895 
+		Connect("IC2-44")
3896 
+		Connect("IC3-43")
3897 
+	)
3898 
+	Net("unnamed_net59" "(unknown)")
3899 
+	(
3900 
+		Connect("IC3-96")
3901 
+		Connect("R6-2")
3902 
+	)
3903 
+	Net("unnamed_net60" "(unknown)")
3904 
+	(
3905 
+		Connect("C12-2")
3906 
+		Connect("IC3-51")
3907 
+		Connect("X2-1")
3908 
+	)
3909 
+	Net("unnamed_net61" "(unknown)")
3910 
+	(
3911 
+		Connect("C13-2")
3912 
+		Connect("IC3-50")
3913 
+		Connect("X2-2")
3914 
+	)
3915 
+	Net("unnamed_net62" "(unknown)")
3916 
+	(
3917 
+		Connect("IC3-63")
3918 
+		Connect("R10-1")
3919 
+	)
3920 
+	Net("unnamed_net63" "(unknown)")
3921 
+	(
3922 
+		Connect("IC3-62")
3923 
+		Connect("R9-1")
3924 
+	)
3925 
+	Net("unnamed_net64" "(unknown)")
3926 
+	(
3927 
+		Connect("IC3-61")
3928 
+		Connect("R8-1")
3929 
+	)
3930 
+	Net("unnamed_net65" "(unknown)")
3931 
+	(
3932 
+		Connect("CON3-4")
3933 
+		Connect("IC3-45")
3934 
+		Connect("L1-1")
3935 
+	)
3936 
+	Net("unnamed_net66" "(unknown)")
3937 
+	(
3938 
+		Connect("CON3-5")
3939 
+		Connect("IC3-46")
3940 
+		Connect("L1-3")
3941 
+	)
3942 
+	Net("unnamed_net67" "(unknown)")
3943 
+	(
3944 
+		Connect("CON3-6")
3945 
+		Connect("IC3-59")
3946 
+		Connect("L1-4")
3947 
+		Connect("R7-2")
3948 
+	)
3949 
+	Net("unnamed_net68" "(unknown)")
3950 
+	(
3951 
+		Connect("CON3-7")
3952 
+		Connect("IC3-58")
3953 
+		Connect("L1-6")
3954 
+		Connect("R7-1")
3955 
+	)
3956 
+	Net("unnamed_net69" "(unknown)")
3957 
+	(
3958 
+		Connect("CON2-1")
3959 
+		Connect("L1-12")
3960 
+	)
3961 
+	Net("unnamed_net70" "(unknown)")
3962 
+	(
3963 
+		Connect("C14-2")
3964 
+		Connect("CON3-3")
3965 
+		Connect("L1-2")
3966 
+	)
3967 
+	Net("unnamed_net71" "(unknown)")
3968 
+	(
3969 
+		Connect("C17-2")
3970 
+		Connect("CON3-1")
3971 
+		Connect("L1-11")
3972 
+	)
3973 
+	Net("unnamed_net72" "(unknown)")
3974 
+	(
3975 
+		Connect("CON2-2")
3976 
+		Connect("L1-10")
3977 
+	)
3978 
+	Net("unnamed_net73" "(unknown)")
3979 
+	(
3980 
+		Connect("CON2-3")
3981 
+		Connect("L1-9")
3982 
+	)
3983 
+	Net("unnamed_net74" "(unknown)")
3984 
+	(
3985 
+		Connect("C15-2")
3986 
+		Connect("CON3-8")
3987 
+		Connect("L1-5")
3988 
+	)
3989 
+	Net("unnamed_net75" "(unknown)")
3990 
+	(
3991 
+		Connect("C16-2")
3992 
+		Connect("CON3-2")
3993 
+		Connect("L1-8")
3994 
+	)
3995 
+	Net("unnamed_net76" "(unknown)")
3996 
+	(
3997 
+		Connect("CON2-6")
3998 
+		Connect("L1-7")
3999 
+	)
4000 
+	Net("unnamed_net77" "(unknown)")
4001 
+	(
4002 
+		Connect("C16-1")
4003 
+		Connect("C17-1")
4004 
+		Connect("CON2-9")
4005 
+		Connect("CON2-10")
4006 
+		Connect("CON3-9")
4007 
+		Connect("CON3-10")
4008 
+	)
4009 
+	Net("unnamed_net78" "(unknown)")
4010 
+	(
4011 
+		Connect("LED2-1")
4012 
+		Connect("R8-2")
4013 
+	)
4014 
+	Net("unnamed_net79" "(unknown)")
4015 
+	(
4016 
+		Connect("LED3-1")
4017 
+		Connect("R9-2")
4018 
+	)
4019 
+	Net("unnamed_net80" "(unknown)")
4020 
+	(
4021 
+		Connect("LED4-1")
4022 
+		Connect("R10-2")
4023 
+	)
4024 
+	Net("unnamed_net81" "(unknown)")
4025 
+	(
4026 
+		Connect("CON9-7")
4027 
+		Connect("R2-1")
4028 
+		Connect("R3-1")
4029 
+	)
4030 
+	Net("unnamed_net82" "(unknown)")
4031 
+	(
4032 
+		Connect("LED1-2")
4033 
+		Connect("R5-1")
4034 
+	)
4035 
+	Net("unnamed_net83" "(unknown)")
4036 
+	(
4037 
+		Connect("C1-1")
4038 
+		Connect("C2-1")
4039 
+		Connect("D1-1")
4040 
+		Connect("IC1-1")
4041 
+	)
4042 
+	Net("unnamed_net84" "(unknown)")
4043 
+	(
4044 
+		Connect("CON1-1")
4045 
+		Connect("D1-2")
4046 
+	)
4047 
+	Net("unnamed_net85" "(unknown)")
4048 
+	(
4049 
+		Connect("IC4-12")
4050 
+		Connect("R4-1")
4051 
+	)
4052 
+	Net("unnamed_net86" "(unknown)")
4053 
+	(
4054 
+		Connect("CON8-1")
4055 
+		Connect("R3-2")
4056 
+	)
4057 
+	Net("unnamed_net87" "(unknown)")
4058 
+	(
4059 
+		Connect("C22-2")
4060 
+		Connect("IC4-1")
4061 
+	)
4062 
+	Net("unnamed_net88" "(unknown)")
4063 
+	(
4064 
+		Connect("CON5-2")
4065 
+		Connect("IC4-8")
4066 
+	)
4067 
+	Net("unnamed_net89" "(unknown)")
4068 
+	(
4069 
+		Connect("C23-2")
4070 
+		Connect("IC4-2")
4071 
+	)
4072 
+	Net("unnamed_net90" "(unknown)")
4073 
+	(
4074 
+		Connect("C22-1")
4075 
+		Connect("IC4-3")
4076 
+	)
4077 
+	Net("unnamed_net91" "(unknown)")
4078 
+	(
4079 
+		Connect("C24-2")
4080 
+		Connect("IC4-4")
4081 
+	)
4082 
+	Net("unnamed_net92" "(unknown)")
4083 
+	(
4084 
+		Connect("C24-1")
4085 
+		Connect("IC4-5")
4086 
+	)
4087 
+	Net("unnamed_net93" "(unknown)")
4088 
+	(
4089 
+		Connect("CON4-3")
4090 
+		Connect("IC4-14")
4091 
+	)
4092 
+	Net("unnamed_net94" "(unknown)")
4093 
+	(
4094 
+		Connect("C25-2")
4095 
+		Connect("IC4-6")
4096 
+	)
4097 
+	Net("unnamed_net95" "(unknown)")
4098 
+	(
4099 
+		Connect("CON4-2")
4100 
+		Connect("IC4-13")
4101 
+	)
4102 
+	Net("unnamed_net96" "(unknown)")
4103 
+	(
4104 
+		Connect("CON5-3")
4105 
+		Connect("IC4-7")
4106 
+	)
4107 
+	Net("unnamed_net97" "(unknown)")
4108 
+	(
4109 
+		Connect("CON5-4")
4110 
+		Connect("CON5-6")
4111 
+	)
4112 
+	Net("unnamed_net98" "(unknown)")
4113 
+	(
4114 
+		Connect("CON5-7")
4115 
+		Connect("CON5-8")
4116 
+	)
4117 
+	Net("unnamed_net99" "(unknown)")
4118 
+	(
4119 
+		Connect("CON4-4")
4120 
+		Connect("CON4-6")
4121 
+	)
4122 
+	Net("unnamed_net100" "(unknown)")
4123 
+	(
4124 
+		Connect("CON4-7")
4125 
+		Connect("CON4-8")
4126 
+	)
4127 
+	Net("VDD5" "(unknown)")
4128 
+	(
4129 
+		Connect("C3-1")
4130 
+		Connect("C4-1")
4131 
+		Connect("C10-2")
4132 
+		Connect("C11-2")
4133 
+		Connect("C18-1")
4134 
+		Connect("C19-2")
4135 
+		Connect("C20-2")
4136 
+		Connect("C21-1")
4137 
+		Connect("CF1-13")
4138 
+		Connect("CF1-32")
4139 
+		Connect("CF1-34")
4140 
+		Connect("CF1-35")
4141 
+		Connect("CF1-38")
4142 
+		Connect("CF1-44")
4143 
+		Connect("CON6-9")
4144 
+		Connect("CON7-9")
4145 
+		Connect("CON8-5")
4146 
+		Connect("CON8-9")
4147 
+		Connect("D2-2")
4148 
+		Connect("IC1-3")
4149 
+		Connect("IC3-6")
4150 
+		Connect("IC3-15")
4151 
+		Connect("IC3-16")
4152 
+		Connect("IC3-17")
4153 
+		Connect("IC3-31")
4154 
+		Connect("IC3-32")
4155 
+		Connect("IC3-47")
4156 
+		Connect("IC3-57")
4157 
+		Connect("IC3-65")
4158 
+		Connect("IC3-70")
4159 
+		Connect("IC3-89")
4160 
+		Connect("IC4-16")
4161 
+		Connect("LED2-2")
4162 
+		Connect("LED3-2")
4163 
+		Connect("LED4-2")
4164 
+		Connect("R11-2")
4165 
+		Connect("R12-2")
4166 
+	)
4167 
+)
electrics/flaneth.sch
View file @ e8658d5
... ... 
@@ -0,0 +1,6882 @@
1 
+v 20061020 1
2 
+C 7300 11400 1 0 0 EMBEDDEDATMEGA128.sym
3 
+[
4 
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+}
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+}
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86 
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+}
95 
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97 
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106 
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108 
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117 
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119 
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125 
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126 
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+}
128 
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130 
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136 
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138 
+}
139 
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140 
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141 
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145 
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147 
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149 
+}
150 
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152 
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156 
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160 
+}
161 
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163 
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165 
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169 
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171 
+}
172 
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174 
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180 
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182 
+}
183 
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185 
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191 
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+}
194 
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196 
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200 
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201 
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202 
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203 
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204 
+}
205 
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206 
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207 
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209 
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211 
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213 
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214 
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215 
+}
216 
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217 
+{
218 
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219 
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220 
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221 
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222 
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224 
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+T 13450 16600 5 10 1 1 0 6 1
5263 
+refdes=R2
5264 
+T 13450 16500 5 10 1 1 0 8 1
5265 
+value=3.3kE
5266 
+}
5267 
+N 13600 17000 13600 17400 4
5268 
+N 11100 17400 13600 17400 4
5269 
+N 13600 15900 14000 15900 4
5270 
+C 10500 24600 1 270 0 EMBEDDEDcon10.sym
5271 
+[
5272 
+P 12500 24100 12500 23800 1 0 1
5273 
+{
5274 
+T 12500 24200 5 8 1 1 90 1 1
5275 
+pinnumber=2
5276 
+T 12450 25250 5 8 0 0 90 8 1
5277 
+pinseq=2
5278 
+T 12500 24100 5 10 0 0 90 8 1
5279 
+pintype=pas
5280 
+}
5281 
+P 12100 24100 12100 23800 1 0 1
5282 
+{
5283 
+T 12100 24200 5 8 1 1 90 1 1
5284 
+pinnumber=4
5285 
+T 12050 25250 5 8 0 0 90 8 1
5286 
+pinseq=4
5287 
+T 12100 24100 5 10 0 0 90 8 1
5288 
+pintype=pas
5289 
+}
5290 
+P 11700 24100 11700 23800 1 0 1
5291 
+{
5292 
+T 11700 24200 5 8 1 1 90 1 1
5293 
+pinnumber=6
5294 
+T 11650 25250 5 8 0 0 90 8 1
5295 
+pinseq=6
5296 
+T 11700 24100 5 10 0 0 90 8 1
5297 
+pintype=pas
5298 
+}
5299 
+P 11300 24100 11300 23800 1 0 1
5300 
+{
5301 
+T 11300 24200 5 8 1 1 90 1 1
5302 
+pinnumber=8
5303 
+T 11250 25250 5 8 0 0 90 8 1
5304 
+pinseq=8
5305 
+T 11300 24100 5 10 0 0 90 8 1
5306 
+pintype=pas
5307 
+}
5308 
+P 12700 24100 12700 23800 1 0 1
5309 
+{
5310 
+T 12700 24200 5 8 1 1 90 1 1
5311 
+pinnumber=1
5312 
+T 12650 25250 5 8 0 0 90 8 1
5313 
+pinseq=1
5314 
+T 12700 24100 5 10 0 0 90 8 1
5315 
+pintype=pas
5316 
+}
5317 
+P 12300 24100 12300 23800 1 0 1
5318 
+{
5319 
+T 12300 24200 5 8 1 1 90 1 1
5320 
+pinnumber=3
5321 
+T 12250 25250 5 8 0 0 90 8 1
5322 
+pinseq=3
5323 
+T 12300 24100 5 10 0 0 90 8 1
5324 
+pintype=pas
5325 
+}
5326 
+P 11900 24100 11900 23800 1 0 1
5327 
+{
5328 
+T 11900 24200 5 8 1 1 90 1 1
5329 
+pinnumber=5
5330 
+T 11850 25250 5 8 0 0 90 8 1
5331 
+pinseq=5
5332 
+T 11900 24100 5 10 0 0 90 8 1
5333 
+pintype=pas
5334 
+}
5335 
+P 11500 24100 11500 23800 1 0 1
5336 
+{
5337 
+T 11500 24200 5 8 1 1 90 1 1
5338 
+pinnumber=7
5339 
+T 11450 25250 5 8 0 0 90 8 1
5340 
+pinseq=7
5341 
+T 11500 24100 5 10 0 0 90 8 1
5342 
+pintype=pas
5343 
+}
5344 
+P 10900 24100 10900 23800 1 0 1
5345 
+{
5346 
+T 10900 24200 5 8 1 1 90 1 1
5347 
+pinnumber=10
5348 
+T 10850 25250 5 8 0 0 90 8 1
5349 
+pinseq=10
5350 
+T 10900 24100 5 10 0 0 90 8 1
5351 
+pintype=pas
5352 
+}
5353 
+P 11100 24100 11100 23800 1 0 1
5354 
+{
5355 
+T 11100 24200 5 8 1 1 90 1 1
5356 
+pinnumber=9
5357 
+T 11050 25250 5 8 0 0 90 8 1
5358 
+pinseq=9
5359 
+T 11100 24100 5 10 0 0 90 8 1
5360 
+pintype=pas
5361 
+}
5362 
+B 10700 24100 2200 500 3 0 0 0 -1 -1 0 -1 -1 -1 -1 -1
5363 
+T 13500 22700 5 10 0 0 90 8 1
5364 
+device=10 pin connector
5365 
+T 13000 24600 8 10 0 1 90 8 1
5366 
+refdes=CON?
5367 
+T 10600 24600 8 10 0 1 90 6 1
5368 
+value=???
5369 
+]
5370 
+{
5371 
+T 10700 24700 5 10 1 1 0 0 1
5372 
+refdes=CON6
5373 
+T 12900 24700 5 10 1 1 0 6 1
5374 
+value=GPIO A
5375 
+}
5376 
+N 26500 25200 28900 25200 4
5377 
+N 11100 16800 11300 16800 4
5378 
+N 11300 16800 11300 23800 4
5379 
+N 11100 16600 11500 16600 4
5380 
+N 11500 16600 11500 23800 4
5381 
+N 11100 16400 11700 16400 4
5382 
+N 11700 16400 11700 23800 4
5383 
+N 11100 16200 11900 16200 4
5384 
+N 11900 16200 11900 23800 4
5385 
+N 11100 16000 12100 16000 4
5386 
+N 12100 16000 12100 23800 4
5387 
+N 11100 15800 12300 15800 4
5388 
+N 12300 15800 12300 23800 4
5389 
+N 11100 15600 12500 15600 4
5390 
+N 12500 15600 12500 23800 4
5391 
+N 11100 15400 12700 15400 4
5392 
+N 12700 15400 12700 23800 4
5393 
+C 10700 23000 1 0 0 EMBEDDEDgnd.sym
5394 
+[
5395 
+P 10900 23200 10900 23400 1 0 1
5396 
+{
5397 
+T 10958 23261 5 4 0 1 0 0 1
5398 
+pinnumber=1
5399 
+T 10958 23261 5 4 0 0 0 0 1
5400 
+pinseq=1
5401 
+T 10900 23200 5 10 0 0 0 0 1
5402 
+pintype=pas
5403 
+}
5404 
+L 10800 23200 11000 23200 3 10 0 0 -1 -1
5405 
+T 11000 23050 8 10 0 0 0 0 1
5406 
+net=GND:1
5407 
+T 10900 23100 8 10 0 1 0 5 1
5408 
+value=GND
5409 
+]
5410 
+{
5411 
+T 10900 23100 5 10 1 1 0 5 1
5412 
+value=GND
5413 
+}
5414 
+C 10000 24000 1 0 0 EMBEDDEDvdd5.sym
5415 
+[
5416 
+P 10200 24100 10200 24000 1 0 1
5417 
+{
5418 
+T 10200 24200 5 6 0 1 0 0 1
5419 
+pinnumber=1
5420 
+T 10200 24200 5 6 0 0 0 0 1
5421 
+pinseq=1
5422 
+T 10200 24100 5 10 0 0 0 0 1
5423 
+pintype=pas
5424 
+}
5425 
+V 10200 24200 50 3 5 0 0 -1 -1 0 -1 -1 -1 -1 -1
5426 
+L 10200 24150 10200 24100 3 0 0 0 -1 -1
5427 
+T 10300 24050 8 10 0 0 0 0 1
5428 
+net=VDD5:1
5429 
+T 10200 24300 8 10 0 1 0 3 1
5430 
+value=VDD5
5431 
+]
5432 
+{
5433 
+T 10200 24300 5 10 1 1 0 3 1
5434 
+value=VDD5
5435 
+}
5436 
+N 10900 23800 10900 23400 4
5437 
+N 10200 24000 10200 23600 4
5438 
+N 10200 23600 11100 23600 4
5439 
+N 11100 23600 11100 23800 4
5440 
+C 5200 14000 1 180 0 EMBEDDEDcon10.sym
5441 
+[
5442 
+P 5700 12000 6000 12000 1 0 1
5443 
+{
5444 
+T 5600 12000 5 8 1 1 180 1 1
5445 
+pinnumber=2
5446 
+T 4550 12050 5 8 0 0 180 6 1
5447 
+pinseq=2
5448 
+T 5700 12000 5 10 0 0 180 6 1
5449 
+pintype=pas
5450 
+}
5451 
+P 5700 12400 6000 12400 1 0 1
5452 
+{
5453 
+T 5600 12400 5 8 1 1 180 1 1
5454 
+pinnumber=4
5455 
+T 4550 12450 5 8 0 0 180 6 1
5456 
+pinseq=4
5457 
+T 5700 12400 5 10 0 0 180 6 1
5458 
+pintype=pas
5459 
+}
5460 
+P 5700 12800 6000 12800 1 0 1
5461 
+{
5462 
+T 5600 12800 5 8 1 1 180 1 1
5463 
+pinnumber=6
5464 
+T 4550 12850 5 8 0 0 180 6 1
5465 
+pinseq=6
5466 
+T 5700 12800 5 10 0 0 180 6 1
5467 
+pintype=pas
5468 
+}
5469 
+P 5700 13200 6000 13200 1 0 1
5470 
+{
5471 
+T 5600 13200 5 8 1 1 180 1 1
5472 
+pinnumber=8
5473 
+T 4550 13250 5 8 0 0 180 6 1
5474 
+pinseq=8
5475 
+T 5700 13200 5 10 0 0 180 6 1
5476 
+pintype=pas
5477 
+}
5478 
+P 5700 11800 6000 11800 1 0 1
5479 
+{
5480 
+T 5600 11800 5 8 1 1 180 1 1
5481 
+pinnumber=1
5482 
+T 4550 11850 5 8 0 0 180 6 1
5483 
+pinseq=1
5484 
+T 5700 11800 5 10 0 0 180 6 1
5485 
+pintype=pas
5486 
+}
5487 
+P 5700 12200 6000 12200 1 0 1
5488 
+{
5489 
+T 5600 12200 5 8 1 1 180 1 1
5490 
+pinnumber=3
5491 
+T 4550 12250 5 8 0 0 180 6 1
5492 
+pinseq=3
5493 
+T 5700 12200 5 10 0 0 180 6 1
5494 
+pintype=pas
5495 
+}
5496 
+P 5700 12600 6000 12600 1 0 1
5497 
+{
5498 
+T 5600 12600 5 8 1 1 180 1 1
5499 
+pinnumber=5
5500 
+T 4550 12650 5 8 0 0 180 6 1
5501 
+pinseq=5
5502 
+T 5700 12600 5 10 0 0 180 6 1
5503 
+pintype=pas
5504 
+}
5505 
+P 5700 13000 6000 13000 1 0 1
5506 
+{
5507 
+T 5600 13000 5 8 1 1 180 1 1
5508 
+pinnumber=7
5509 
+T 4550 13050 5 8 0 0 180 6 1
5510 
+pinseq=7
5511 
+T 5700 13000 5 10 0 0 180 6 1
5512 
+pintype=pas
5513 
+}
5514 
+P 5700 13600 6000 13600 1 0 1
5515 
+{
5516 
+T 5600 13600 5 8 1 1 180 1 1
5517 
+pinnumber=10
5518 
+T 4550 13650 5 8 0 0 180 6 1
5519 
+pinseq=10
5520 
+T 5700 13600 5 10 0 0 180 6 1
5521 
+pintype=pas
5522 
+}
5523 
+P 5700 13400 6000 13400 1 0 1
5524 
+{
5525 
+T 5600 13400 5 8 1 1 180 1 1
5526 
+pinnumber=9
5527 
+T 4550 13450 5 8 0 0 180 6 1
5528 
+pinseq=9
5529 
+T 5700 13400 5 10 0 0 180 6 1
5530 
+pintype=pas
5531 
+}
5532 
+B 5200 11600 500 2200 3 0 0 0 -1 -1 0 -1 -1 -1 -1 -1
5533 
+T 7100 11000 5 10 0 0 180 6 1
5534 
+device=10 pin connector
5535 
+T 5200 11500 8 10 0 1 180 6 1
5536 
+refdes=CON?
5537 
+T 5200 13900 8 10 0 1 180 8 1
5538 
+value=???
5539 
+]
5540 
+{
5541 
+T 5200 13900 5 10 1 1 0 0 1
5542 
+refdes=CON7
5543 
+T 5200 11500 5 10 1 1 0 2 1
5544 
+value=GPIO B
5545 
+}
5546 
+N 6000 11800 7300 11800 4
5547 
+N 7300 12000 6000 12000 4
5548 
+N 6000 12200 7300 12200 4
5549 
+N 7300 12400 6000 12400 4
5550 
+N 6000 12600 7300 12600 4
5551 
+N 7300 12800 6000 12800 4
5552 
+N 6000 13000 7300 13000 4
5553 
+N 7300 13200 6000 13200 4
5554 
+C 6200 11100 1 0 0 EMBEDDEDgnd.sym
5555 
+[
5556 
+P 6400 11300 6400 11500 1 0 1
5557 
+{
5558 
+T 6458 11361 5 4 0 1 0 0 1
5559 
+pinnumber=1
5560 
+T 6458 11361 5 4 0 0 0 0 1
5561 
+pinseq=1
5562 
+T 6400 11300 5 10 0 0 0 0 1
5563 
+pintype=pas
5564 
+}
5565 
+L 6300 11300 6500 11300 3 10 0 0 -1 -1
5566 
+T 6500 11150 8 10 0 0 0 0 1
5567 
+net=GND:1
5568 
+T 6400 11200 8 10 0 1 0 5 1
5569 
+value=GND
5570 
+]
5571 
+{
5572 
+T 6400 11200 5 10 1 1 0 5 1
5573 
+value=GND
5574 
+}
5575 
+N 6400 11500 6400 13600 4
5576 
+N 6400 13600 6000 13600 4
5577 
+N 6000 13400 6200 13400 4
5578 
+N 6200 13400 6200 13800 4
5579 
+C 6000 13800 1 0 0 EMBEDDEDvdd5.sym
5580 
+[
5581 
+P 6200 13900 6200 13800 1 0 1
5582 
+{
5583 
+T 6200 14000 5 6 0 1 0 0 1
5584 
+pinnumber=1
5585 
+T 6200 14000 5 6 0 0 0 0 1
5586 
+pinseq=1
5587 
+T 6200 13900 5 10 0 0 0 0 1
5588 
+pintype=pas
5589 
+}
5590 
+V 6200 14000 50 3 5 0 0 -1 -1 0 -1 -1 -1 -1 -1
5591 
+L 6200 13950 6200 13900 3 0 0 0 -1 -1
5592 
+T 6300 13850 8 10 0 0 0 0 1
5593 
+net=VDD5:1
5594 
+T 6200 14100 8 10 0 1 0 3 1
5595 
+value=VDD5
5596 
+]
5597 
+{
5598 
+T 6200 14100 5 10 1 1 0 3 1
5599 
+value=VDD5
5600 
+}
5601 
+N 11100 14000 12600 14000 4
5602 
+N 12800 14200 11100 14200 4
5603 
+N 26300 18600 26500 18600 4
5604 
+N 26500 18600 26500 22700 4
5605 
+N 26700 22900 26700 18400 4
5606 
+N 26700 18400 26300 18400 4
5607 
+N 26300 18200 26900 18200 4
5608 
+N 26900 18200 26900 23100 4
5609 
+N 27100 23300 27100 17400 4
5610 
+N 27100 17400 26300 17400 4
5611 
+N 11100 15000 20600 15000 4
5612 
+N 20600 15000 20600 23300 4
5613 
+N 20600 23300 27100 23300 4
5614 
+N 20800 23100 26900 23100 4
5615 
+N 20800 23100 20800 14800 4
5616 
+N 20800 14800 11100 14800 4
5617 
+N 11100 14600 21000 14600 4
5618 
+N 21000 14600 21000 22900 4
5619 
+N 21000 22900 26700 22900 4
5620 
+N 21200 22700 26500 22700 4
5621 
+N 21200 14400 21200 22700 4
5622 
+N 11100 14400 21200 14400 4
5623 
+N 16600 17800 11100 17800 4
5624 
+N 11100 17600 16600 17600 4
5625 
+N 11100 17200 15100 17200 4
5626 
+N 15100 17200 15100 17400 4
5627 
+N 15100 17400 16600 17400 4
5628 
+N 14900 15900 15300 15900 4
5629 
+N 15300 15900 15300 18000 4
5630 
+N 15300 18000 16600 18000 4
5631 
+C 16000 18200 1 0 0 EMBEDDEDvdd5.sym
5632 
+[
5633 
+P 16200 18300 16200 18200 1 0 1
5634 
+{
5635 
+T 16200 18400 5 6 0 1 0 0 1
5636 
+pinnumber=1
5637 
+T 16200 18400 5 6 0 0 0 0 1
5638 
+pinseq=1
5639 
+T 16200 18300 5 10 0 0 0 0 1
5640 
+pintype=pas
5641 
+}
5642 
+V 16200 18400 50 3 5 0 0 -1 -1 0 -1 -1 -1 -1 -1
5643 
+L 16200 18350 16200 18300 3 0 0 0 -1 -1
5644 
+T 16300 18250 8 10 0 0 0 0 1
5645 
+net=VDD5:1
5646 
+T 16200 18500 8 10 0 1 0 3 1
5647 
+value=VDD5
5648 
+]
5649 
+{
5650 
+T 16200 18500 5 10 1 1 0 3 1
5651 
+value=VDD5
5652 
+}
5653 
+C 17400 15800 1 0 0 EMBEDDEDcon10.sym
5654 
+[
5655 
+P 16900 17800 16600 17800 1 0 1
5656 
+{
5657 
+T 17000 17800 5 8 1 1 0 1 1
5658 
+pinnumber=2
5659 
+T 18050 17750 5 8 0 0 0 6 1
5660 
+pinseq=2
5661 
+T 16900 17800 5 10 0 0 0 6 1
5662 
+pintype=pas
5663 
+}
5664 
+P 16900 17400 16600 17400 1 0 1
5665 
+{
5666 
+T 17000 17400 5 8 1 1 0 1 1
5667 
+pinnumber=4
5668 
+T 18050 17350 5 8 0 0 0 6 1
5669 
+pinseq=4
5670 
+T 16900 17400 5 10 0 0 0 6 1
5671 
+pintype=pas
5672 
+}
5673 
+P 16900 17000 16600 17000 1 0 1
5674 
+{
5675 
+T 17000 17000 5 8 1 1 0 1 1
5676 
+pinnumber=6
5677 
+T 18050 16950 5 8 0 0 0 6 1
5678 
+pinseq=6
5679 
+T 16900 17000 5 10 0 0 0 6 1
5680 
+pintype=pas
5681 
+}
5682 
+P 16900 16600 16600 16600 1 0 1
5683 
+{
5684 
+T 17000 16600 5 8 1 1 0 1 1
5685 
+pinnumber=8
5686 
+T 18050 16550 5 8 0 0 0 6 1
5687 
+pinseq=8
5688 
+T 16900 16600 5 10 0 0 0 6 1
5689 
+pintype=pas
5690 
+}
5691 
+P 16900 18000 16600 18000 1 0 1
5692 
+{
5693 
+T 17000 18000 5 8 1 1 0 1 1
5694 
+pinnumber=1
5695 
+T 18050 17950 5 8 0 0 0 6 1
5696 
+pinseq=1
5697 
+T 16900 18000 5 10 0 0 0 6 1
5698 
+pintype=pas
5699 
+}
5700 
+P 16900 17600 16600 17600 1 0 1
5701 
+{
5702 
+T 17000 17600 5 8 1 1 0 1 1
5703 
+pinnumber=3
5704 
+T 18050 17550 5 8 0 0 0 6 1
5705 
+pinseq=3
5706 
+T 16900 17600 5 10 0 0 0 6 1
5707 
+pintype=pas
5708 
+}
5709 
+P 16900 17200 16600 17200 1 0 1
5710 
+{
5711 
+T 17000 17200 5 8 1 1 0 1 1
5712 
+pinnumber=5
5713 
+T 18050 17150 5 8 0 0 0 6 1
5714 
+pinseq=5
5715 
+T 16900 17200 5 10 0 0 0 6 1
5716 
+pintype=pas
5717 
+}
5718 
+P 16900 16800 16600 16800 1 0 1
5719 
+{
5720 
+T 17000 16800 5 8 1 1 0 1 1
5721 
+pinnumber=7
5722 
+T 18050 16750 5 8 0 0 0 6 1
5723 
+pinseq=7
5724 
+T 16900 16800 5 10 0 0 0 6 1
5725 
+pintype=pas
5726 
+}
5727 
+P 16900 16200 16600 16200 1 0 1
5728 
+{
5729 
+T 17000 16200 5 8 1 1 0 1 1
5730 
+pinnumber=10
5731 
+T 18050 16150 5 8 0 0 0 6 1
5732 
+pinseq=10
5733 
+T 16900 16200 5 10 0 0 0 6 1
5734 
+pintype=pas
5735 
+}
5736 
+P 16900 16400 16600 16400 1 0 1
5737 
+{
5738 
+T 17000 16400 5 8 1 1 0 1 1
5739 
+pinnumber=9
5740 
+T 18050 16350 5 8 0 0 0 6 1
5741 
+pinseq=9
5742 
+T 16900 16400 5 10 0 0 0 6 1
5743 
+pintype=pas
5744 
+}
5745 
+B 16900 16000 500 2200 3 0 0 0 -1 -1 0 -1 -1 -1 -1 -1
5746 
+T 15500 18800 5 10 0 0 0 6 1
5747 
+device=10 pin connector
5748 
+T 17400 18300 8 10 0 1 0 6 1
5749 
+refdes=CON?
5750 
+T 17400 15900 8 10 0 1 0 8 1
5751 
+value=???
5752 
+]
5753 
+{
5754 
+T 17400 18300 5 10 1 1 0 6 1
5755 
+refdes=CON8
5756 
+T 17400 15900 5 10 1 1 0 8 1
5757 
+value=SPI I2C
5758 
+}
5759 
+N 16200 18200 16200 16400 4
5760 
+N 16200 16400 16600 16400 4
5761 
+N 16200 17200 16600 17200 4
5762 
+N 16600 17000 16400 17000 4
5763 
+N 16400 16200 16600 16200 4
5764 
+N 16400 16000 16400 17000 4
5765 
+C 16200 15600 1 0 0 EMBEDDEDgnd.sym
5766 
+[
5767 
+P 16400 15800 16400 16000 1 0 1
5768 
+{
5769 
+T 16458 15861 5 4 0 1 0 0 1
5770 
+pinnumber=1
5771 
+T 16458 15861 5 4 0 0 0 0 1
5772 
+pinseq=1
5773 
+T 16400 15800 5 10 0 0 0 0 1
5774 
+pintype=pas
5775 
+}
5776 
+L 16300 15800 16500 15800 3 10 0 0 -1 -1
5777 
+T 16500 15650 8 10 0 0 0 0 1
5778 
+net=GND:1
5779 
+T 16400 15700 8 10 0 1 0 5 1
5780 
+value=GND
5781 
+]
5782 
+{
5783 
+T 16400 15700 5 10 1 1 0 5 1
5784 
+value=GND
5785 
+}
5786 
+N 11100 13600 15700 13600 4
5787 
+N 15700 13600 15700 16800 4
5788 
+N 15700 16800 16600 16800 4
5789 
+N 16600 16600 15900 16600 4
5790 
+N 15900 13800 15900 16600 4
5791 
+N 11100 13800 15900 13800 4
5792 
+C 6100 3200 1 0 0 EMBEDDEDMAX232.sym
5793 
+[
5794 
+T 8300 6963 8 10 0 1 0 6 1
5795 
+refdes=IC?
5796 
+T 6500 9250 5 10 0 0 0 0 1
5797 
+device=MAX232
5798 
+P 6100 6500 6400 6500 1 0 0
5799 
+{
5800 
+T 6300 6550 5 8 1 1 0 6 1
5801 
+pinnumber=1
5802 
+T 6300 6450 5 8 0 1 0 8 1
5803 
+pinseq=1
5804 
+T 6450 6500 9 8 1 1 0 0 1
5805 
+pinlabel=C1+
5806 
+T 6450 6500 5 8 0 1 0 2 1
5807 
+pintype=pas
5808 
+}
5809 
+B 6400 3400 1900 3400 3 0 0 0 -1 -1 0 -1 -1 -1 -1 -1
5810 
+T 6500 10250 5 10 0 0 0 0 1
5811 
+numslots=0
5812 
+P 6100 3700 6400 3700 1 0 0
5813 
+{
5814 
+T 6300 3750 5 8 1 1 0 6 1
5815 
+pinnumber=8
5816 
+T 6300 3650 5 8 0 1 0 8 1
5817 
+pinseq=8
5818 
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5819 
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+value=LF1S022
6860 
+}
6861 
+N 30300 15900 30300 20600 4
6862 
+N 30300 20600 30700 20600 4
6863 
+N 29700 15900 29700 21800 4
6864 
+N 29700 21800 30700 21800 4
6865 
+N 30700 22200 29500 22200 4
6866 
+N 29500 22200 29500 18400 4
6867 
+N 29900 17600 29900 21400 4
6868 
+N 29900 21400 30700 21400 4
6869 
+N 30700 21000 30100 21000 4
6870 
+N 30100 21000 30100 17200 4
6871 
+N 30500 16400 30500 20200 4
6872 
+N 30500 20200 30700 20200 4
6873 
+N 33000 16800 33900 16800 4
6874 
+N 33900 16800 33900 20600 4
6875 
+N 33900 20600 33700 20600 4
6876 
+N 33000 18000 34100 18000 4
6877 
+N 34100 21800 33700 21800 4
6878 
+N 34800 14700 34800 16100 4
6879 
+N 34800 16100 34300 16100 4
6880 
+N 34300 16100 34300 19800 4
6881 
+N 34300 19800 33700 19800 4
6882 
+N 33700 19600 34300 19600 4
electrics/gen_netlist.sh
View file @ e8658d5
... ... 
@@ -0,0 +1,2 @@
1 
+#! /bin/bash
2 
+gnetlist -q -g PCB -o flaneth.net flaneth.sch
firmware.dartboard/.gitignore
View file @ e8658d5
... ... 
@@ -0,0 +1,10 @@
1 
+*.d
2 
+*.lst
3 
+*.o
4 
+http_content.inc
5 
+main.eep
6 
+main.elf
7 
+main.hex
8 
+main.lss
9 
+main.map
10 
+main.sym
firmware.dartboard/ChangeLog
View file @ e8658d5
... ... 
@@ -0,0 +1,10 @@
1 
+flaneth - flash and ethernet - dartboard mod
2 
+Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
3 
+Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
4 
+a BlinkenArea project - http://www.blinkenarea.org/
5 
+
6 
+0.1 2008-11-09
7 
+--------------
8 
+first version
9 
+based on flaneth 0.2
10 
+
firmware.dartboard/Makefile
View file @ e8658d5
... ... 
@@ -0,0 +1,447 @@
1 
+# flaneth - flash and ethernet - dartboard mod
2 
+# Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
3 
+# Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
4 
+# a BlinkenArea project - http://www.blinkenarea.org/
5 
+
6 
+include Makefile.conf
7 
+
8 
+# WinAVR Sample makefile written by Eric B. Weddington, J�rg Wunsch, et al.
9 
+# Released to the Public Domain
10 
+# Please read the make user manual!
11 
+#
12 
+# Additional material for this makefile was submitted by:
13 
+#  Tim Henigan
14 
+#  Peter Fleury
15 
+#  Reiner Patommel
16 
+#  Sander Pool
17 
+#  Frederik Rouleau
18 
+#  Markus Pfaff
19 
+#  Stefan Schuermans
20 
+#
21 
+# On command line:
22 
+#
23 
+# make all = Make software.
24 
+#
25 
+# make clean = Clean out built project files.
26 
+#
27 
+# make coff = Convert ELF to AVR COFF (for use with AVR Studio 3.x or VMLAB).
28 
+#
29 
+# make extcoff = Convert ELF to AVR Extended COFF (for use with AVR Studio
30 
+#                4.07 or greater).
31 
+#
32 
+# make program_fuses = Set the fuse bits of the device, using avrdude.  Please
33 
+#                      customize the avrdude settings below first!
34 
+#
35 
+# make program = Download the hex file to the device, using avrdude.  Please
36 
+#                customize the avrdude settings below first!
37 
+#
38 
+# make filename.s = Just compile filename.c into the assembler code only
39 
+#
40 
+# To rebuild project do "make clean" then "make all".
41 
+#
42 
+
43 
+
44 
+# MCU name
45 
+MCU = atmega128
46 
+
47 
+# Output format. (can be srec, ihex, binary)
48 
+FORMAT = ihex
49 
+
50 
+# Target file name (without extension).
51 
+TARGET = main
52 
+
53 
+# Optimization level, can be [0, 1, 2, 3, s]. 0 turns off optimization.
54 
+# (Note: 3 is not always the best optimization level. See avr-libc FAQ.)
55 
+OPT = s
56 
+
57 
+
58 
+# List C source files here. (C dependencies are automatically generated.)
59 
+SRC = $(TARGET).c
60 
+
61 
+# If there is more than one source file, append them above, or modify and
62 
+# uncomment the following:
63 
+SRC += arp.c bus.c cf.c checksum.c config.c dhcp.c dart.c \
64 
+       eeprom.c ethernet.c http.c icmp.c ip.c random.c \
65 
+       rtl8019.c status.c tcp.c timing.c uart.c udp.c \
66 
+       xtea.c
67 
+
68 
+# You can also wrap lines by appending a backslash to the end of the line:
69 
+#SRC += baz.c \
70 
+#xyzzy.c
71 
+
72 
+
73 
+
74 
+# List Assembler source files here.
75 
+# Make them always end in a capital .S.  Files ending in a lowercase .s
76 
+# will not be considered source files but generated files (assembler
77 
+# output from the compiler), and will be deleted upon "make clean"!
78 
+# Even though the DOS/Win* filesystem matches both .s and .S the same,
79 
+# it will preserve the spelling of the filenames, and gcc itself does
80 
+# care about how the name is spelled on its command-line.
81 
+ASRC =
82 
+
83 
+
84 
+# List any extra directories to look for include files here.
85 
+#     Each directory must be seperated by a space.
86 
+EXTRAINCDIRS =
87 
+
88 
+
89 
+# Optional compiler flags.
90 
+#  -g:        generate debugging information (for GDB, or for COFF conversion)
91 
+#  -O*:       optimization level
92 
+#  -f...:     tuning, see gcc manual and avr-libc documentation
93 
+#  -Wall...:  warning level
94 
+#  -Wa,...:   tell GCC to pass this to the assembler.
95 
+#    -ahlms:  create assembler listing
96 
+CFLAGS = -g -O$(OPT) \
97 
+-funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums \
98 
+-Wall -Wstrict-prototypes \
99 
+-Wa,-adhlns=$(<:.c=.lst) \
100 
+$(patsubst %,-I%,$(EXTRAINCDIRS)) \
101 
+$(DBG_FLAGS)
102 
+
103 
+
104 
+# Set a "language standard" compiler flag.
105 
+#   Unremark just one line below to set the language standard to use.
106 
+#   gnu99 = C99 + GNU extensions. See GCC manual for more information.
107 
+#CFLAGS += -std=c89
108 
+#CFLAGS += -std=gnu89
109 
+#CFLAGS += -std=c99
110 
+CFLAGS += -std=gnu99
111 
+
112 
+# do not use C99 strict aliasing rules
113 
+#   this kills some warnings occuring when casting pointer types
114 
+CFLAGS += -fno-strict-aliasing
115 
+
116 
+
117 
+
118 
+# Optional assembler flags.
119 
+#  -Wa,...:   tell GCC to pass this to the assembler.
120 
+#  -ahlms:    create listing
121 
+#  -gstabs:   have the assembler create line number information; note that
122 
+#             for use in COFF files, additional information about filenames
123 
+#             and function names needs to be present in the assembler source
124 
+#             files -- see avr-libc docs [FIXME: not yet described there]
125 
+ASFLAGS = -Wa,-adhlns=$(<:.S=.lst),-gstabs
126 
+
127 
+
128 
+
129 
+# Optional linker flags.
130 
+#  -Wl,...:   tell GCC to pass this to linker.
131 
+#  -Map:      create map file
132 
+#  --cref:    add cross reference to  map file
133 
+LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
134 
+
135 
+
136 
+
137 
+# Additional libraries
138 
+
139 
+# Minimalistic printf version
140 
+#LDFLAGS += -Wl,-u,vfprintf -lprintf_min
141 
+
142 
+# Floating point printf version (requires -lm below)
143 
+#LDFLAGS += -Wl,-u,vfprintf -lprintf_flt
144 
+
145 
+# -lm = math library
146 
+LDFLAGS += -lm
147 
+
148 
+
149 
+
150 
+# rebuilding is required if one of the following files is changed
151 
+REBUILD_DEPS = Makefile.conf
152 
+
153 
+
154 
+
155 
+# Programming support using avrdude. Settings and variables.
156 
+
157 
+# Programming hardware: alf avr910 avrisp bascom bsd
158 
+# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
159 
+#
160 
+# Type: avrdude -c ?
161 
+# to get a full listing.
162 
+#
163 
+AVRDUDE_PROGRAMMER = stk200
164 
+
165 
+
166 
+#AVRDUDE_PORT = com1	# programmer connected to serial device
167 
+#AVRDUDE_PORT = lpt1	# programmer connected to parallel port
168 
+AVRDUDE_PORT = /dev/parport0
169 
+
170 
+AVRDUDE_WRITE_FLASH = -U flash:w:$(TARGET).hex
171 
+#AVRDUDE_WRITE_EEPROM = -U eeprom:w:$(TARGET).eep
172 
+
173 
+AVRDUDE_FLAGS = -p $(MCU) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER)
174 
+
175 
+# Uncomment the following if you want avrdude's erase cycle counter.
176 
+# Note that this counter needs to be initialized first using -Yn,
177 
+# see avrdude manual.
178 
+#AVRDUDE_ERASE += -y
179 
+
180 
+# Uncomment the following if you do /not/ wish a verification to be
181 
+# performed after programming the device.
182 
+#AVRDUDE_FLAGS += -V
183 
+
184 
+# Increase verbosity level.  Please use this when submitting bug
185 
+# reports about avrdude. See <http://savannah.nongnu.org/projects/avrdude>
186 
+# to submit bug reports.
187 
+#AVRDUDE_FLAGS += -v -v
188 
+
189 
+AVRDUDE_WRITE_FUSES = -u -U lfuse:w:0xAF:m -U hfuse:w:0xC9:m -U efuse:w:0xFF:m
190 
+
191 
+
192 
+
193 
+# ---------------------------------------------------------------------------
194 
+
195 
+# Define directories, if needed.
196 
+DIRAVR =
197 
+DIRAVRBIN =
198 
+DIRAVRUTILS =
199 
+DIRINC =
200 
+DIRLIB =
201 
+
202 
+
203 
+# Define programs and commands.
204 
+SHELL = sh
205 
+
206 
+CC = avr-gcc
207 
+
208 
+OBJCOPY = avr-objcopy
209 
+OBJDUMP = avr-objdump
210 
+SIZE = avr-size
211 
+
212 
+
213 
+# Programming support using avrdude.
214 
+AVRDUDE = avrdude
215 
+
216 
+
217 
+REMOVE = rm -f
218 
+COPY = cp
219 
+
220 
+HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
221 
+ELFSIZE = $(SIZE) -A $(TARGET).elf
222 
+
223 
+
224 
+
225 
+# Define Messages
226 
+# English
227 
+MSG_ERRORS_NONE = Errors: none
228 
+MSG_BEGIN = -------- begin --------
229 
+MSG_END = --------  end  --------
230 
+MSG_SIZE_BEFORE = Size before:
231 
+MSG_SIZE_AFTER = Size after:
232 
+MSG_COFF = Converting to AVR COFF:
233 
+MSG_EXTENDED_COFF = Converting to AVR Extended COFF:
234 
+MSG_FLASH = Creating load file for Flash:
235 
+MSG_EEPROM = Creating load file for EEPROM:
236 
+MSG_EXTENDED_LISTING = Creating Extended Listing:
237 
+MSG_SYMBOL_TABLE = Creating Symbol Table:
238 
+MSG_LINKING = Linking:
239 
+MSG_COMPILING = Compiling:
240 
+MSG_ASSEMBLING = Assembling:
241 
+MSG_CLEANING = Cleaning project:
242 
+
243 
+
244 
+
245 
+
246 
+# Define all object files.
247 
+OBJ = $(SRC:.c=.o) $(ASRC:.S=.o)
248 
+
249 
+# Define all listing files.
250 
+LST = $(ASRC:.S=.lst) $(SRC:.c=.lst)
251 
+
252 
+# Combine all necessary flags and optional flags.
253 
+# Add target processor to flags.
254 
+ALL_CFLAGS = -mmcu=$(MCU) -I. $(CFLAGS)
255 
+ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
256 
+
257 
+
258 
+
259 
+# Default target.
260 
+all: my_all begin gccversion sizebefore $(TARGET).elf $(TARGET).hex $(TARGET).eep \
261 
+	$(TARGET).lss $(TARGET).sym sizeafter finished end
262 
+
263 
+# Debug target.
264 
+debug: DBG_FLAGS=-DDEBUG
265 
+debug: all
266 
+
267 
+
268 
+# Eye candy.
269 
+# AVR Studio 3.x does not check make's exit code but relies on
270 
+# the following magic strings to be generated by the compile job.
271 
+begin:
272 
+	@echo
273 
+	@echo $(MSG_BEGIN)
274 
+
275 
+finished:
276 
+	@echo $(MSG_ERRORS_NONE)
277 
+
278 
+end:
279 
+	@echo $(MSG_END)
280 
+	@echo
281 
+
282 
+
283 
+# Display size of file.
284 
+sizebefore:
285 
+	@if [ -f $(TARGET).elf ]; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); echo; fi
286 
+
287 
+sizeafter:
288 
+	@if [ -f $(TARGET).elf ]; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); echo; fi
289 
+
290 
+
291 
+
292 
+# Display compiler version information.
293 
+gccversion :
294 
+	@$(CC) --version
295 
+
296 
+
297 
+
298 
+
299 
+# Convert ELF to COFF for use in debugging / simulating in
300 
+# AVR Studio or VMLAB.
301 
+COFFCONVERT=$(OBJCOPY) --debugging \
302 
+	--change-section-address .data-0x800000 \
303 
+	--change-section-address .bss-0x800000 \
304 
+	--change-section-address .noinit-0x800000 \
305 
+	--change-section-address .eeprom-0x810000
306 
+
307 
+
308 
+coff: $(TARGET).elf
309 
+	@echo
310 
+	@echo $(MSG_COFF) $(TARGET).cof
311 
+	$(COFFCONVERT) -O coff-avr $< $(TARGET).cof
312 
+
313 
+
314 
+extcoff: $(TARGET).elf
315 
+	@echo
316 
+	@echo $(MSG_EXTENDED_COFF) $(TARGET).cof
317 
+	$(COFFCONVERT) -O coff-ext-avr $< $(TARGET).cof
318 
+
319 
+
320 
+
321 
+# Program the device fuses.
322 
+program_fuses:
323 
+	$(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FUSES)
324 
+
325 
+# Program the device.
326 
+program: $(TARGET).hex $(TARGET).eep
327 
+	$(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH) $(AVRDUDE_WRITE_EEPROM)
328 
+
329 
+
330 
+
331 
+
332 
+# Create final output files (.hex, .eep) from ELF output file.
333 
+%.hex: %.elf
334 
+	@echo
335 
+	@echo $(MSG_FLASH) $@
336 
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
337 
+
338 
+%.eep: %.elf
339 
+	@echo
340 
+	@echo $(MSG_EEPROM) $@
341 
+	-$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \
342 
+	--change-section-lma .eeprom=0 -O $(FORMAT) $< $@
343 
+
344 
+# Create extended listing file from ELF output file.
345 
+%.lss: %.elf
346 
+	@echo
347 
+	@echo $(MSG_EXTENDED_LISTING) $@
348 
+	$(OBJDUMP) -h -S $< > $@
349 
+
350 
+# Create a symbol table from ELF output file.
351 
+%.sym: %.elf
352 
+	@echo
353 
+	@echo $(MSG_SYMBOL_TABLE) $@
354 
+	avr-nm -n $< > $@
355 
+
356 
+
357 
+
358 
+# Link: create ELF output file from object files.
359 
+.SECONDARY : $(TARGET).elf
360 
+.PRECIOUS : $(OBJ)
361 
+%.elf: $(OBJ)
362 
+	@echo
363 
+	@echo $(MSG_LINKING) $@
364 
+	$(CC) $(ALL_CFLAGS) $(OBJ) --output $@ $(LDFLAGS)
365 
+
366 
+
367 
+# Compile: create object files from C source files.
368 
+%.o : %.c $(REBUILD_DEPS)
369 
+	@echo
370 
+	@echo $(MSG_COMPILING) $<
371 
+	$(CC) -c $(ALL_CFLAGS) $< -o $@
372 
+
373 
+
374 
+# Compile: create assembler files from C source files.
375 
+%.s : %.c $(REBUILD_DEPS)
376 
+	$(CC) -S $(ALL_CFLAGS) $< -o $@
377 
+
378 
+
379 
+# Assemble: create object files from assembler source files.
380 
+%.o : %.S $(REBUILD_DEPS)
381 
+	@echo
382 
+	@echo $(MSG_ASSEMBLING) $<
383 
+	$(CC) -c $(ALL_ASFLAGS) $< -o $@
384 
+
385 
+
386 
+
387 
+
388 
+
389 
+
390 
+# Target: clean project.
391 
+clean: my_clean begin clean_list finished end
392 
+
393 
+clean_list :
394 
+	@echo
395 
+	@echo $(MSG_CLEANING)
396 
+	$(REMOVE) $(TARGET).hex
397 
+	$(REMOVE) $(TARGET).eep
398 
+	$(REMOVE) $(TARGET).obj
399 
+	$(REMOVE) $(TARGET).cof
400 
+	$(REMOVE) $(TARGET).elf
401 
+	$(REMOVE) $(TARGET).map
402 
+	$(REMOVE) $(TARGET).obj
403 
+	$(REMOVE) $(TARGET).a90
404 
+	$(REMOVE) $(TARGET).sym
405 
+	$(REMOVE) $(TARGET).lnk
406 
+	$(REMOVE) $(TARGET).lss
407 
+	$(REMOVE) $(OBJ)
408 
+	$(REMOVE) $(LST)
409 
+	$(REMOVE) $(SRC:.c=.s)
410 
+	$(REMOVE) $(SRC:.c=.d)
411 
+
412 
+
413 
+# Automatically generate C source code dependencies.
414 
+# (Code originally taken from the GNU make user manual and modified
415 
+# (See README.txt Credits).)
416 
+#
417 
+# Note that this will work with sh (bash) and sed that is shipped with WinAVR
418 
+# (see the SHELL variable defined above).
419 
+# This may not work with other shells or other seds.
420 
+#
421 
+%.d: %.c $(REBUILD_DEPS)
422 
+	set -e; $(CC) -MM $(ALL_CFLAGS) $< \
423 
+	| sed 's,\(.*\)\.o[ :]*,\1.o \1.d : ,g' > $@; \
424 
+	[ -s $@ ] || rm -f $@
425 
+
426 
+http.d: http.c http_content.inc
427 
+
428 
+
429 
+# Remove the '-' if you want to see the dependency files generated.
430 
+include $(SRC:.c=.d)
431 
+
432 
+
433 
+
434 
+my_all: http_content.inc
435 
+
436 
+http_content.inc: http_content.pl http_$(HTTP_SKIN)/* $(REBUILD_DEPS)
437 
+	./http_content.pl http_$(HTTP_SKIN) http_content.inc || rm -f http_content.inc http_content.inc
438 
+
439 
+my_clean:
440 
+	rm -f http_content.inc
441 
+
442 
+
443 
+
444 
+# Listing of phony targets.
445 
+.PHONY : all begin finish end sizebefore sizeafter gccversion coff extcoff \
446 
+	clean clean_list program_fuses program my_all my_clean
447 
+
firmware.dartboard/Makefile.conf
View file @ e8658d5
... ... 
@@ -0,0 +1,8 @@
1 
+# flaneth - flash and ethernet
2 
+# Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
3 
+# Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
4 
+# a BlinkenArea project - http://www.blinkenarea.org/
5 
+
6 
+# skin to use on http interface
7 
+# HTTP_SKIN=[simple]
8 
+HTTP_SKIN = simple
firmware.dartboard/arp.c
View file @ e8658d5
... ... 
@@ -0,0 +1,240 @@
1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#include "arp.h"
9 
+#include "config.h"
10 
+#include "debug.h"
11 
+#include "ethernet.h"
12 
+#include "ip.h"
13 
+#include "macros.h"
14 
+#include "nethelp.h"
15 
+
16 
+// timing parameters
17 
+#define ArpTicksMax 150 // maximum age of ARP table entries (in 200ms steps)
18 
+#define ArpNoMacTicksMax 50 // maximum age of ARP table entries without MAC (in 200ms steps)
19 
+#define ArpRetryTicks 8 // time after which to retry ARP query (must be power of 2, in 200ms steps)
20 
+
21 
+// ARP table
22 
+#define ArpTabFlagInUse 0x01
23 
+#define ArpTabFlagMacOk 0x02
24 
+struct ArpTable
25 
+{
26 
+  unsigned char Flags; // flags - see constants
27 
+  unsigned char Ticks; // age of entry in 200ms steps
28 
+  unsigned char Mac[6];
29 
+  unsigned char Ip[4];
30 
+} ArpTab[12];
31 
+
32 
+// initialize
33 
+void ArpInit( void ) // (extern)
34 
+{
35 
+  unsigned char i;
36 
+
37 
+  // empty ARP tabale
38 
+  for( i = 0; i < count( ArpTab ); i++ )
39 
+    ArpTab[i].Flags = 0;
40 
+}
41 
+
42 
+// send an ARP request
43 
+static void ArpSendRequest( unsigned char * pIp )
44 
+{
45 
+  struct ArpPacket ArpRequest;
46 
+
47 
+  debug_arp_printf( "send req ip=%u.%u.%u.%u",
48 
+                    pIp[0], pIp[1], pIp[2], pIp[3] );
49 
+
50 
+  // build ARP request
51 
+  ArpRequest.ArpHdr.HwType = htons( 0x0001 ); // ethernet
52 
+  ArpRequest.ArpHdr.ProtoType = htons( 0x0800 ); // IP
53 
+  ArpRequest.ArpHdr.HwLen = 0x06; // length of a MAC address
54 
+  ArpRequest.ArpHdr.ProtoLen = 0x04; // length of an IP address
55 
+  ArpRequest.ArpHdr.Op = htons( 0x0001 ); // ARP request
56 
+  mac_cpy( ArpRequest.ArpHdr.SrcMac, ConfigMac ); // own MAC
57 
+  ip_cpy( ArpRequest.ArpHdr.SrcIp, ConfigIp ); // own IP
58 
+  mac_cpy( ArpRequest.ArpHdr.DestMac, "\xFF\xFF\xFF\xFF\xFF\xFF" ); // broadcast MAC
59 
+  ip_cpy( ArpRequest.ArpHdr.DestIp, pIp ); // requested IP
60 
+
61 
+  // sent ARP request
62 
+  mac_cpy( ArpRequest.EthHdr.Dest, ArpRequest.ArpHdr.DestMac ); // ethernet destination address
63 
+  ArpRequest.EthHdr.Type = htons( 0x0806 ); // ethernet packet type: ARP
64 
+  EthernetSend( (unsigned char *)&ArpRequest, sizeof( ArpRequest ) );
65 
+}
66 
+
67 
+// tick procedure - call every 200ms
68 
+void ArpTick200( void ) // (extern)
69 
+{
70 
+  unsigned char i;
71 
+
72 
+  // increase age of ARP table entires and remove timed out ones
73 
+  for( i = 0; i < count( ArpTab ); i++ )
74 
+  {
75 
+    if( ArpTab[i].Flags & ArpTabFlagInUse ) // entry in use
76 
+    {
77 
+      ArpTab[i].Ticks++; // increase age
78 
+      if( ArpTab[i].Flags & ArpTabFlagMacOk ) // entry has got a MAC
79 
+      {
80 
+        if( ArpTab[i].Ticks > ArpTicksMax ) // too old
81 
+          ArpTab[i].Flags = 0; // remove entry
82 
+      }
83 
+      else // entry has not got a MAC
84 
+      {
85 
+        if( ArpTab[i].Ticks > ArpNoMacTicksMax ) // too old
86 
+          ArpTab[i].Flags = 0; // remove entry
87 
+        else if( (ArpTab[i].Ticks & (ArpRetryTicks - 1)) == 0 ) // retry ARP request
88 
+          ArpSendRequest( ArpTab[i].Ip );
89 
+      }
90 
+    }
91 
+  }
92 
+}
93 
+
94 
+// process a received ARP packet
95 
+void ArpRecv( unsigned char * pData, unsigned short Length ) // (extern)
96 
+{
97 
+  struct ArpPacket * pArpPack;
98 
+
99 
+  // packet too short
100 
+  if( Length < sizeof( struct ArpPacket ) )
101 
+    return;
102 
+
103 
+  // convert pointer to ARP packet
104 
+  // (this saves us from always casting pData)
105 
+  pArpPack = (struct ArpPacket *)pData;
106 
+
107 
+  // not IP over ethernet
108 
+  if( pArpPack->ArpHdr.HwType != htons( 0x0001 ) || // ethernet
109 
+      pArpPack->ArpHdr.ProtoType != htons( 0x0800 ) || // IP
110 
+      pArpPack->ArpHdr.HwLen != 0x06 || // length of a MAC address
111 
+      pArpPack->ArpHdr.ProtoLen != 0x04 ) // length of an IP address
112 
+    // we do not support other protocols than IP over ethernet
113 
+    return;
114 
+
115 
+  // source MAC is broadcast MAC
116 
+  if( mac_eq( pArpPack->ArpHdr.SrcMac, "\xFF\xFF\xFF\xFF\xFF\xFF" ) )
117 
+    // broadcast MAC cannot be source, this is some kind of attack, get lost!
118 
+    return;
119 
+
120 
+  // ARP request for own IP address
121 
+  if( pArpPack->ArpHdr.Op == htons( 0x0001 ) && // ARP request
122 
+      ip_eq( pArpPack->ArpHdr.DestIp, ConfigIp ) ) // own IP address
123 
+  {
124 
+    struct ArpPacket ArpReply;
125 
+    // build ARP reply
126 
+    ArpReply.ArpHdr.HwType = htons( 0x0001 ); // ethernet
127 
+    ArpReply.ArpHdr.ProtoType = htons( 0x0800 ); // IP
128 
+    ArpReply.ArpHdr.HwLen = 0x06; // length of a MAC address
129 
+    ArpReply.ArpHdr.ProtoLen = 0x04; // length of an IP address
130 
+    ArpReply.ArpHdr.Op = htons( 0x0002 ); // ARP reply
131 
+    mac_cpy( ArpReply.ArpHdr.SrcMac, ConfigMac ); // own MAC
132 
+    ip_cpy( ArpReply.ArpHdr.SrcIp, ConfigIp ); // own IP
133 
+    mac_cpy( ArpReply.ArpHdr.DestMac, pArpPack->ArpHdr.SrcMac ); // requestor's MAC
134 
+    ip_cpy( ArpReply.ArpHdr.DestIp, pArpPack->ArpHdr.SrcIp ); // requestor's IP
135 
+
136 
+    debug_arp_printf( "recv req src=%02X:%02X:%02X:%02X:%02X:%02X ip=%u.%u.%u.%u",
137 
+                      pArpPack->ArpHdr.SrcMac[0], pArpPack->ArpHdr.SrcMac[1], pArpPack->ArpHdr.SrcMac[2],
138 
+                      pArpPack->ArpHdr.SrcMac[3], pArpPack->ArpHdr.SrcMac[4], pArpPack->ArpHdr.SrcMac[5],
139 
+                      pArpPack->ArpHdr.SrcIp[0], pArpPack->ArpHdr.SrcIp[1],
140 
+                      pArpPack->ArpHdr.SrcIp[2], pArpPack->ArpHdr.SrcIp[3] );
141 
+
142 
+    // sent ARP reply
143 
+    mac_cpy( ArpReply.EthHdr.Dest, ArpReply.ArpHdr.DestMac ); // ethernet destination address
144 
+    ArpReply.EthHdr.Type = htons( 0x0806 ); // ethernet packet type: ARP
145 
+    EthernetSend( (unsigned char *)&ArpReply, sizeof( ArpReply ) );
146 
+    return;
147 
+  }
148 
+
149 
+  // ARP reply to own MAC address and own IP address
150 
+  if( pArpPack->ArpHdr.Op == htons( 0x0002 ) && // ARP reply
151 
+      mac_eq( pArpPack->ArpHdr.DestMac, ConfigMac ) && // own MAC address
152 
+      ip_eq( pArpPack->ArpHdr.DestIp, ConfigIp ) ) // own IP address
153 
+  {
154 
+    unsigned char i;
155 
+
156 
+    debug_arp_printf( "recv reply src=%02X:%02X:%02X:%02X:%02X:%02X ip=%u.%u.%u.%u",
157 
+                      pArpPack->ArpHdr.SrcMac[0], pArpPack->ArpHdr.SrcMac[1], pArpPack->ArpHdr.SrcMac[2],
158 
+                      pArpPack->ArpHdr.SrcMac[3], pArpPack->ArpHdr.SrcMac[4], pArpPack->ArpHdr.SrcMac[5],
159 
+                      pArpPack->ArpHdr.SrcIp[0], pArpPack->ArpHdr.SrcIp[1],
160 
+                      pArpPack->ArpHdr.SrcIp[2], pArpPack->ArpHdr.SrcIp[3] );
161 
+
162 
+    // search IP in ARP tabale
163 
+    for( i = 0; i < count( ArpTab ); i++ )
164 
+      if( (ArpTab[i].Flags & ArpTabFlagInUse) &&
165 
+          ip_eq( pArpPack->ArpHdr.SrcIp, ArpTab[i].Ip ) )
166 
+        break;
167 
+    // if found in ARP table
168 
+    // (we do not want to put an entry in the ARP table
169 
+    // if we have not asked for the MAC of this IP)
170 
+    if( i < count( ArpTab ) )
171 
+    {
172 
+      // update ARP table entry
173 
+      ArpTab[i].Flags = ArpTabFlagInUse | ArpTabFlagMacOk;
174 
+      ArpTab[i].Ticks = 0;
175 
+      mac_cpy( ArpTab[i].Mac, pArpPack->ArpHdr.SrcMac );
176 
+      // notify IP
177 
+      // - IP might be waiting for the MAC to transmit a packet
178 
+      IpGotMac( ArpTab[i].Ip, ArpTab[i].Mac );
179 
+    }
180 
+    return;
181 
+  }
182 
+
183 
+}
184 
+
185 
+// lookup the MAC for an IP address
186 
+// returns 0x00 in case of success, 0x01 if the MAC address is unknown
187 
+unsigned char ArpLookup( unsigned char * pIp, unsigned char * pMac ) // (extern)
188 
+{
189 
+  unsigned char i, j;
190 
+
191 
+  // own IP
192 
+  if( ip_eq( pIp, ConfigIp ) )
193 
+    // own IP may not be looked up via ARP
194 
+    return 0x01;
195 
+
196 
+  // search IP in ARP tabale
197 
+  for( i = 0; i < count( ArpTab ); i++ )
198 
+    if( (ArpTab[i].Flags & ArpTabFlagInUse) &&
199 
+        ip_eq( pIp, ArpTab[i].Ip ) )
200 
+      break;
201 
+
202 
+  // not found
203 
+  if( i >= count( ArpTab ) )
204 
+  {
205 
+    // find a free entry
206 
+    for( i = 0; i < count( ArpTab ); i++ )
207 
+      if( ! (ArpTab[i].Flags & ArpTabFlagInUse) )
208 
+        break;
209 
+
210 
+    // no free entry
211 
+    if( i >= count( ArpTab ) )
212 
+    {
213 
+      // find oldest entry
214 
+      i = 0;
215 
+      for( j = 1; j < count( ArpTab ); j++ )
216 
+        if( ArpTab[j].Ticks > ArpTab[i].Ticks )
217 
+          i = j;
218 
+    }
219 
+
220 
+    // set up this entry
221 
+    ArpTab[i].Flags = ArpTabFlagInUse;
222 
+    ArpTab[i].Ticks = 0;
223 
+    ip_cpy( ArpTab[i].Ip, pIp );
224 
+  }
225 
+
226 
+  // MAC available
227 
+  if( ArpTab[i].Flags & ArpTabFlagMacOk )
228 
+  {
229 
+    // return MAC and success
230 
+    mac_cpy( pMac, ArpTab[i].Mac );
231 
+    return 0x00;
232 
+  }
233 
+
234 
+  // send ARP request
235 
+  ArpSendRequest( pIp );
236 
+
237 
+  // return no success for now
238 
+  return 0x01;
239 
+}
240 
+
firmware.dartboard/arp.h
View file @ e8658d5
... ... 
@@ -0,0 +1,48 @@
1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#ifndef INC_arp
9 
+#define INC_arp
10 
+
11 
+#include "ethernet.h"
12 
+
13 
+// header of an ARP packet
14 
+struct ArpHeader
15 
+{
16 
+  unsigned short HwType;
17 
+  unsigned short ProtoType;
18 
+  unsigned char HwLen;
19 
+  unsigned char ProtoLen;
20 
+  unsigned short Op;
21 
+  unsigned char SrcMac[6];
22 
+  unsigned char SrcIp[4];
23 
+  unsigned char DestMac[6];
24 
+  unsigned char DestIp[4];
25 
+};
26 
+
27 
+// an ARP packet
28 
+struct ArpPacket
29 
+{
30 
+  struct EthernetHeader EthHdr;
31 
+  struct ArpHeader ArpHdr;
32 
+};
33 
+
34 
+// initialize
35 
+extern void ArpInit( void );
36 
+
37 
+// tick procedure - call every 200ms
38 
+extern void ArpTick200( void );
39 
+
40 
+// process a received ARP packet
41 
+extern void ArpRecv( unsigned char * pData, unsigned short Length );
42 
+
43 
+// lookup the MAC for an IP address
44 
+// returns 0x00 in case of success, 0x01 if the MAC address is unknown
45 
+extern unsigned char ArpLookup( unsigned char * pIp, unsigned char * pMac );
46 
+
47 
+#endif // #ifdef INC_arp
48 
+
firmware.dartboard/bus.c
View file @ e8658d5
... ... 
@@ -0,0 +1,31 @@
1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#include <avr/io.h>
9 
+
10 
+#include "bus.h"
11 
+
12 
+// initialize
13 
+void BusInit( void ) // (extern)
14 
+{
15 
+  // address port to output
16 
+  BUS_ADDR = 0x00; // default address
17 
+  BUS_ADDR_DDR = 0xFF; // output
18 
+
19 
+  // data port to input
20 
+  BUS_DATA = 0x00; // pull-ups off
21 
+  BUS_DATA_DDR = 0x00; // input
22 
+
23 
+  // read pin to output
24 
+  bit_set( BUS_PORT_nRD, BUS_BIT_nRD ); // nRD to high
25 
+  bit_set( BUS_DDR_nRD, BUS_BIT_nRD ); // output
26 
+
27 
+  // write pin to output
28 
+  bit_set( BUS_PORT_nWR, BUS_BIT_nWR ); // nWR to high
29 
+  bit_set( BUS_DDR_nWR, BUS_BIT_nWR ); // output
30 
+}
31 
+
firmware.dartboard/bus.h
View file @ e8658d5
... ... 
@@ -0,0 +1,36 @@
1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#ifndef INC_bus
9 
+#define INC_bus
10 
+
11 
+#include "macros.h"
12 
+
13 
+// IO pins of bus
14 
+#define BUS_ADDR_DDR (DDRG)
15 
+#define BUS_ADDR (PORTG)
16 
+#define BUS_DATA_DDR (DDRA)
17 
+#define BUS_DATA (PORTA)
18 
+#define BUS_DATA_IN (PINA)
19 
+#define BUS_DDR_nRD (DDRE)
20 
+#define BUS_PORT_nRD (PORTE)
21 
+#define BUS_BIT_nRD (6)
22 
+#define BUS_DDR_nWR (DDRE)
23 
+#define BUS_PORT_nWR (PORTE)
24 
+#define BUS_BIT_nWR (7)
25 
+
26 
+// special pin commands
27 
+#define BUS_READ_ACT( ) (bit_clear( BUS_PORT_nRD, BUS_BIT_nRD ))
28 
+#define BUS_READ_IDLE( ) (bit_set( BUS_PORT_nRD, BUS_BIT_nRD ))
29 
+#define BUS_WRITE_ACT( ) (bit_clear( BUS_PORT_nWR, BUS_BIT_nWR ))
30 
+#define BUS_WRITE_IDLE( ) (bit_set( BUS_PORT_nWR, BUS_BIT_nWR ))
31 
+
32 
+// initialize
33 
+extern void BusInit( void );
34 
+
35 
+#endif // #ifndef INC_bus
36 
+
firmware.dartboard/cf.c
View file @ e8658d5
... ... 
@@ -0,0 +1,605 @@
1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#include <avr/io.h>
9 
+
10 
+#include "bus.h"
11 
+#include "cf.h"
12 
+#include "config.h"
13 
+#include "debug.h"
14 
+#include "macros.h"
15 
+#include "status.h"
16 
+#include "timing.h"
17 
+
18 
+// IO pins of compact flash
19 
+#define CF_DDR_nCD (DDRB)
20 
+#define CF_PORT_nCD (PORTB)
21 
+#define CF_PIN_nCD (PINB)
22 
+#define CF_BIT_nCD (4)
23 
+#define CF_DDR_nRST (DDRB)
24 
+#define CF_PORT_nRST (PORTB)
25 
+#define CF_BIT_nRST (5)
26 
+#define CF_DDR_RDY (DDRB)
27 
+#define CF_PORT_RDY (PORTB)
28 
+#define CF_PIN_RDY (PINB)
29 
+#define CF_BIT_RDY (7)
30 
+#define CF_DDR_nCE (DDRB)
31 
+#define CF_PORT_nCE (PORTB)
32 
+#define CF_BIT_nCE (6)
33 
+// special pin commands
34 
+#define CF_IS_DETECT( ) (is_bit_clear( CF_PIN_nCD, CF_BIT_nCD ))
35 
+#define CF_RESET_ACT( ) (bit_clear( CF_PORT_nRST, CF_BIT_nRST ))
36 
+#define CF_RESET_IDLE( ) (bit_set( CF_PORT_nRST, CF_BIT_nRST ))
37 
+#define CF_IS_READY( ) (is_bit_set( CF_PIN_RDY, CF_BIT_RDY ))
38 
+#define CF_CE_ACT( ) (bit_clear( CF_PORT_nCE, CF_BIT_nCE ))
39 
+#define CF_CE_IDLE( ) (bit_set( CF_PORT_nCE, CF_BIT_nCE ))
40 
+
41 
+// compact flash registers
42 
+#define CF_REG_DATA (0x00)
43 
+#define CF_REG_ERR (0x01)
44 
+#define CF_REG_SEC_CNT (0x02)
45 
+#define CF_REG_SEC_NO (0x03)
46 
+#define CF_REG_CYL_L (0x04)
47 
+#define CF_REG_CYL_H (0x05)
48 
+#define CF_REG_HEAD (0x06)
49 
+#define CF_REG_STATUS (0x07)
50 
+#define CF_REG_CMD (0x07)
51 
+
52 
+// compact flash status bits
53 
+#define CF_SB_BUSY (7)
54 
+#define CF_SB_RDY (6)
55 
+#define CF_SB_DWF (5)
56 
+#define CF_SB_DSC (4)
57 
+#define CF_SB_DRQ (3)
58 
+#define CF_SB_CORR (2)
59 
+#define CF_SB_IDX (1)
60 
+#define CF_SB_ERR (0)
61 
+
62 
+// compact flash commands
63 
+#define CF_CMD_IDENTIFY (0xEC)
64 
+#define CF_CMD_READ_SEC (0x20)
65 
+#define CF_CMD_WRITE_SEC (0x30)
66 
+
67 
+// some number of bytes
68 
+#define CF_BYTES_AT_ONCE (32) // number of bytes to read/write at once
69 
+#define CF_BYTES_IDENTIFY (124) // number of bytes to read for identify
70 
+
71 
+// interesting locations in identify data
72 
+#define CF_ID_OFS_ID_16 (0) // CF identifier, 16 bit
73 
+#define CF_ID_OFS_CAPA_16 (98) // CF capabilities, 16 bit
74 
+#define CF_ID_OFS_SEC_CNT_32 (120) // number of sectors on CF (in LBA mode), 32 bit
75 
+
76 
+// various CF constants
77 
+#define CF_ID (0x848A) // identifier of compact flash cards
78 
+#define CF_CAPA_BIT_LBA (9) // bit number of the LBA bit in the CF capabilities
79 
+
80 
+// timeout value for wait for ready counter (in 20ms steps)
81 
+#define CF_WAIT_READY_20_TIMEOUT (4) // 80ms
82 
+
83 
+// compact flash insertion state
84 
+enum CfInsertionState
85 
+{
86 
+  CfInsNone, // no compact flash inserted
87 
+  CfInsNew, // new compact flash has been inserted, wait for powerup
88 
+  CfInsReset, // resetting new compact flash
89 
+  CfInsWait, // waiting for new compact flash to get ready after reset
90 
+  CfInsReady, // compact flash inserted and ready to work with
91 
+  CfInsError, // compact flash error occured, compact flash deactivated
92 
+} CfInsState = CfInsNone;
93 
+
94 
+// compact flash working state
95 
+enum CfWorkingState
96 
+{
97 
+  CfWorkNone, // no compact flash work to do
98 
+  CfWorkIdentify, // identification of compact flash active
99 
+} CfWorkState = CfWorkNone;
100 
+
101 
+// compact flash working step
102 
+enum CfWorkingStep
103 
+{
104 
+  CfStepNone, // no step in progress
105 
+  CfStepCmdStatus, // checking command status
106 
+  CfStepDataTransfer, // transferring (reading/writing) data
107 
+  CfStepDataStatus, // checking data status
108 
+} CfWorkStep = CfStepNone;
109 
+
110 
+// number of sectors on compact flash card
111 
+//  - zero if no CF card is present, CF card has not yet been identified or CF card error occured
112 
+unsigned long CfSectorCnt = 0;
113 
+
114 
+// state of active command
115 
+unsigned long CfSectorNo = 0; // current sector number of compact flash
116 
+unsigned short CfNextOffset = 0; // next offset in sector that is processed (read, written, ...)
117 
+
118 
+// wait for ready counter of compact flash
119 
+//  - counts down in 20ms steps
120 
+//  - zero if inactive
121 
+unsigned char CfWaitReady20 = 0;
122 
+
123 
+// sector buffer
124 
+unsigned char CfSectorBuffer[CF_SECTOR_SIZE]; // (extern)
125 
+
126 
+// write a compact flash register (returns 1 if successful or 0 on error)
127 
+//  - returns 0 on success and -1 on error
128 
+extern inline char CfWriteReg( unsigned char reg, unsigned char val ) // force inlining by using "extern"
129 
+{
130 
+  if( ! CF_IS_DETECT( ) || ! CF_IS_READY( ) ) // check that card is present and ready
131 
+    return -1; // error
132 
+  BUS_DATA = val; // output value
133 
+  BUS_DATA_DDR = 0xFF; // data port to output
134 
+  BUS_ADDR = reg; // output address
135 
+  CF_CE_ACT( ); // set card enable
136 
+  BUS_WRITE_ACT( ); // activate write signal
137 
+  nop( );
138 
+  nop( );
139 
+  nop( );
140 
+  nop( );
141 
+  nop( );
142 
+  nop( );
143 
+  BUS_WRITE_IDLE( ); // take back write signal
144 
+  CF_CE_IDLE( ); // take back card enable
145 
+  BUS_DATA_DDR = 0x00; // data back port to input
146 
+  BUS_DATA = 0x00; // turn off pullups
147 
+  return 0; // success
148 
+}
149 
+
150 
+// write buffer to compact flash register (returns 1 if successful or 0 on error)
151 
+//  - returns 0 on success and -1 on error
152 
+extern inline char CfWriteRegBuf( unsigned char reg, unsigned char * p_buf, unsigned short len ) // force inlining by using "extern"
153 
+{
154 
+  if( ! CF_IS_DETECT( ) || ! CF_IS_READY( ) ) // check that card is present and ready
155 
+    return -1; // error
156 
+  BUS_DATA = *p_buf; // output first value to initialize port status before switching to output
157 
+  BUS_DATA_DDR = 0xFF; // data port to output
158 
+  BUS_ADDR = reg; // output address
159 
+  CF_CE_ACT( ); // set card enable
160 
+  for( ; len > 0; p_buf++, len-- ) {
161 
+    if( ! CF_IS_DETECT( ) || ! CF_IS_READY( ) ) // check that card is present and ready
162 
+      break;
163 
+    BUS_DATA = *p_buf; // output value
164 
+    BUS_WRITE_ACT( ); // activate write signal
165 
+    nop( );
166 
+    nop( );
167 
+    nop( );
168 
+    nop( );
169 
+    nop( );
170 
+    nop( );
171 
+    BUS_WRITE_IDLE( ); // take back write signal
172 
+  }
173 
+  CF_CE_IDLE( ); // take back card enable
174 
+  BUS_DATA_DDR = 0x00; // data back port to input
175 
+  BUS_DATA = 0x00; // turn off pullups
176 
+  return len <= 0 ? 0 : -1; // success if everything has been written
177 
+}
178 
+
179 
+// write constant value to compact flash register multiple times (returns 1 if successful or 0 on error)
180 
+//  - returns 0 on success and -1 on error
181 
+extern inline char CfWriteRegConst( unsigned char reg, unsigned char val, unsigned short cnt ) // force inlining by using "extern"
182 
+{
183 
+  if( ! CF_IS_DETECT( ) || ! CF_IS_READY( ) ) // check that card is present and ready
184 
+    return -1; // error
185 
+  BUS_DATA = val; // output value
186 
+  BUS_DATA_DDR = 0xFF; // data port to output
187 
+  BUS_ADDR = reg; // output address
188 
+  CF_CE_ACT( ); // set card enable
189 
+  for( ; cnt > 0; cnt-- ) {
190 
+    if( ! CF_IS_DETECT( ) || ! CF_IS_READY( ) ) // check that card is present and ready
191 
+      break;
192 
+    BUS_WRITE_ACT( ); // activate write signal
193 
+    nop( );
194 
+    nop( );
195 
+    nop( );
196 
+    nop( );
197 
+    nop( );
198 
+    nop( );
199 
+    BUS_WRITE_IDLE( ); // take back write signal
200 
+  }
201 
+  CF_CE_IDLE( ); // take back card enable
202 
+  BUS_DATA_DDR = 0x00; // data back port to input
203 
+  BUS_DATA = 0x00; // turn off pullups
204 
+  return cnt <= 0 ? 0 : -1; // success if everything has been written
205 
+}
206 
+
207 
+// read a compact flash register (returns 1 if successful or 0 on error)
208 
+//  - returns 0 on success and -1 on error
209 
+extern inline char CfReadReg( unsigned char reg, unsigned char * p_var ) // force inlining by using "extern"
210 
+{
211 
+  if( ! CF_IS_DETECT( ) || ! CF_IS_READY( ) ) // check that card is present and ready
212 
+    return -1; // error
213 
+  BUS_ADDR = reg; // output address
214 
+  CF_CE_ACT( ); // set card enable
215 
+  BUS_READ_ACT( ); // activate read signal
216 
+  nop( );
217 
+  nop( );
218 
+  nop( );
219 
+  nop( );
220 
+  nop( );
221 
+  nop( );
222 
+  *p_var = BUS_DATA_IN; // read data
223 
+  BUS_READ_IDLE( ); // take back read signal
224 
+  CF_CE_IDLE( ); // take back card enable
225 
+  return 0; // success
226 
+}
227 
+
228 
+// read buffer from a compact flash register (returns 1 if successful or 0 on error)
229 
+//  - returns 0 on success and -1 on error
230 
+extern inline char CfReadRegBuf( unsigned char reg, unsigned char * p_buf, unsigned short len ) // force inlining by using "extern"
231 
+{
232 
+  if( ! CF_IS_DETECT( ) || ! CF_IS_READY( ) ) // check that card is present and ready
233 
+    return -1; // error
234 
+  BUS_ADDR = reg; // output address
235 
+  CF_CE_ACT( ); // set card enable
236 
+  for( ; len > 0; p_buf++, len-- ) {
237 
+    if( ! CF_IS_DETECT( ) || ! CF_IS_READY( ) ) // check that card is present and ready
238 
+      break;
239 
+    BUS_READ_ACT( ); // activate read signal
240 
+    nop( );
241 
+    nop( );
242 
+    nop( );
243 
+    nop( );
244 
+    nop( );
245 
+    nop( );
246 
+    *p_buf = BUS_DATA_IN; // read data
247 
+    BUS_READ_IDLE( ); // take back read signal
248 
+  }
249 
+  CF_CE_IDLE( ); // take back card enable
250 
+  return len <= 0 ? 0 : -1; // success if everything has been read
251 
+}
252 
+
253 
+// read a compact flash register multiple times and throw away data (returns 1 if successful or 0 on error)
254 
+//  - returns 0 on success and -1 on error
255 
+extern inline char CfReadRegMulti( unsigned char reg, unsigned short cnt ) // force inlining by using "extern"
256 
+{
257 
+  if( ! CF_IS_DETECT( ) || ! CF_IS_READY( ) ) // check that card is present and ready
258 
+    return -1; // error
259 
+  BUS_ADDR = reg; // output address
260 
+  CF_CE_ACT( ); // set card enable
261 
+  for( ; cnt > 0; cnt-- ) {
262 
+    if( ! CF_IS_DETECT( ) || ! CF_IS_READY( ) ) // check that card is present and ready
263 
+      break;
264 
+    BUS_READ_ACT( ); // activate read signal
265 
+    nop( );
266 
+    nop( );
267 
+    nop( );
268 
+    nop( );
269 
+    nop( );
270 
+    nop( );
271 
+    BUS_READ_IDLE( ); // take back read signal
272 
+  }
273 
+  CF_CE_IDLE( ); // take back card enable
274 
+  return cnt <= 0 ? 0 : -1; // success if everything has been read
275 
+}
276 
+
277 
+// compact flash work done
278 
+static void CfDone( void )
279 
+{
280 
+  debug_cf_printf( "CF done" );
281 
+
282 
+  // set working state and step to none
283 
+  CfWorkState = CfWorkNone;
284 
+  CfWorkStep = CfStepNone;
285 
+
286 
+  // reset state of active command
287 
+  CfSectorNo = 0;
288 
+  CfNextOffset = 0;
289 
+
290 
+  // disable wait for ready counter
291 
+  CfWaitReady20 = 0;
292 
+}
293 
+
294 
+// compact flash error occured
295 
+static void CfError( void )
296 
+{
297 
+  debug_cf_printf( "CF error" );
298 
+
299 
+  // set insertion state to error
300 
+  CfInsState = CfInsError;
301 
+
302 
+  // set working state and step to none
303 
+  CfWorkState = CfWorkNone;
304 
+  CfWorkStep = CfStepNone;
305 
+
306 
+  // reset all information about CF card
307 
+  CfSectorCnt = 0;
308 
+
309 
+  // reset state of active command
310 
+  CfSectorNo = 0;
311 
+  CfNextOffset = 0;
312 
+
313 
+  // disable wait for ready counter
314 
+  CfWaitReady20 = 0;
315 
+}
316 
+
317 
+// process compact flash insertion
318 
+static void CfProcIns( void )
319 
+{
320 
+  switch( CfInsState )
321 
+  {
322 
+
323 
+    // no compact flash inserted
324 
+    case CfInsNone:
325 
+      // if compact flash is detected, set state to new CF
326 
+      if( CF_IS_DETECT( ) ) {
327 
+        CfInsState = CfInsNew;
328 
+        debug_cf_printf( "new CF" );
329 
+        break;
330 
+      }
331 
+      break;
332 
+
333 
+    // new compact flash has been inserted, wait for powerup
334 
+    case CfInsNew:
335 
+      // if compact flash has been removed, set state to none
336 
+      if( ! CF_IS_DETECT( ) ) {
337 
+        CfInsState = CfInsNone;
338 
+        break;
339 
+      }
340 
+      // set reset
341 
+      CF_RESET_ACT( );
342 
+      CfInsState = CfInsReset;
343 
+      break;
344 
+
345 
+    // resetting new compact flash
346 
+    case CfInsReset:
347 
+      // take back reset
348 
+      CF_RESET_IDLE( );
349 
+      // if compact flash has been removed, set state to none
350 
+      if( ! CF_IS_DETECT( ) ) {
351 
+        CfInsState = CfInsNone;
352 
+        break;
353 
+      }
354 
+      break;
355 
+
356 
+    // waiting for new compact flash to get ready after reset
357 
+    case CfInsWait:
358 
+      // if compact flash has been removed, set state to none
359 
+      if( ! CF_IS_DETECT( ) ) {
360 
+        CfInsState = CfInsNone;
361 
+        break;
362 
+      }
363 
+      // if compact flash card is ready, set state to ready
364 
+      if( CF_IS_READY( ) ) {
365 
+        CfInsState = CfInsReady;
366 
+        debug_cf_printf( "CF ready" );
367 
+      }
368 
+      break;
369 
+
370 
+    // compact flash inserted and ready to work with
371 
+    case CfInsReady:
372 
+      // do nothing here, card work is done by task procedure
373 
+      // (task will detect CF removal or timeout and set state to error)
374 
+      break;
375 
+
376 
+    // compact flash error occured, compact flash deactivated
377 
+    case CfInsError:
378 
+      // if compact flash has been removed, set state to none
379 
+      if( ! CF_IS_DETECT( ) ) {
380 
+        CfInsState = CfInsNone;
381 
+        debug_cf_printf( "CF removed" );
382 
+      }
383 
+      break;
384 
+
385 
+  } // switch( CfInsState )
386 
+}
387 
+
388 
+// detect compact flash timeout
389 
+//  - called every 20ms
390 
+static void CfDetectTimeout20( void )
391 
+{
392 
+  // only detect CF timeout if insertion state is ready
393 
+  // (otherwise, the insertion processing is still doing some work)
394 
+  if( CfInsState != CfInsReady )
395 
+    return;
396 
+
397 
+  // wait for ready counter not active
398 
+  if( CfWaitReady20 <= 0 )
399 
+    return;
400 
+
401 
+  // decrement wait for ready counter
402 
+  CfWaitReady20--;
403 
+
404 
+  // timeout occured
405 
+  if( CfWaitReady20 <= 0 ) {
406 
+    debug_cf_printf( "timeout while waiting for CF ready" );
407 
+    CfError( );
408 
+  }
409 
+}
410 
+
411 
+// continue with identifying compact flash
412 
+static void CfProcWorkIdentify( void )
413 
+{
414 
+  unsigned char status = 0;
415 
+  unsigned short len, val16;
416 
+
417 
+  switch( CfWorkStep ) {
418 
+
419 
+    // no step
420 
+    case CfStepNone:
421 
+      debug_cf_printf( "internal error (identify, CfStepNone)" );
422 
+      CfError( );
423 
+      break;
424 
+
425 
+    // checking command status
426 
+    case CfStepCmdStatus:
427 
+      // read status register
428 
+      CfReadReg( CF_REG_STATUS, &status );
429 
+      // check that BUSY=0, RDY=1, DWF=0, DSC=1, IDX=0, ERR=0
430 
+      if( (status & (1 << CF_SB_BUSY | 1 << CF_SB_RDY | 1 << CF_SB_DWF | 1 << CF_SB_DSC | 1 << CF_SB_IDX | 1 << CF_SB_ERR)) != (1 << CF_SB_RDY | 1 << CF_SB_DSC) ) {
431 
+        debug_cf_printf( "unexpected status 0x%02X (identify)", status );
432 
+        CfError( );
433 
+      }
434 
+      // continue with data transfer
435 
+      CfWorkStep = CfStepDataTransfer;
436 
+      CfNextOffset = 0;
437 
+      break;
438 
+
439 
+    // transferring data
440 
+    case CfStepDataTransfer:
441 
+      // still bytes to read
442 
+      if( CfNextOffset < CF_BYTES_IDENTIFY ) {
443 
+        // get number of bytes to read
444 
+        len = CF_BYTES_IDENTIFY - CfNextOffset;
445 
+        if( len > CF_BYTES_AT_ONCE )
446 
+          len = CF_BYTES_AT_ONCE;
447 
+        // read bytes
448 
+        if( CfReadRegBuf( CF_REG_DATA, &CfSectorBuffer[CfNextOffset], len ) != 0 ) {
449 
+          debug_cf_printf( "reading from CF failed (identify, offset 0x%03X, length 0x%02X)", CfNextOffset, len );
450 
+          CfError( );
451 
+          break;
452 
+        }
453 
+        CfNextOffset += len;
454 
+      }
455 
+      // all bytes read
456 
+      if( CfNextOffset >= CF_BYTES_IDENTIFY ) {
457 
+        // check identifier
458 
+        val16 = (unsigned short)CfSectorBuffer[CF_ID_OFS_ID_16 + 0]
459 
+              | (unsigned short)CfSectorBuffer[CF_ID_OFS_ID_16 + 1] << 8;
460 
+        if( val16 != CF_ID ) {
461 
+          debug_cf_printf( "invalid CF identifier: 0x%04X", val16 );
462 
+          CfError( );
463 
+          break;
464 
+        }
465 
+        // check if LBA mode is supported
466 
+        val16 = (unsigned short)CfSectorBuffer[CF_ID_OFS_CAPA_16 + 0]
467 
+              | (unsigned short)CfSectorBuffer[CF_ID_OFS_CAPA_16 + 1] << 8;
468 
+        if( (val16 & 1 << CF_CAPA_BIT_LBA) == 0 ) {
469 
+          debug_cf_printf( "CF does not support LBA mode" );
470 
+          CfError( );
471 
+          break;
472 
+        }
473 
+        // get number of sectors on CF
474 
+        CfSectorCnt = (unsigned long)CfSectorBuffer[CF_ID_OFS_SEC_CNT_32 + 0]
475 
+                    | (unsigned long)CfSectorBuffer[CF_ID_OFS_SEC_CNT_32 + 1] << 8
476 
+                    | (unsigned long)CfSectorBuffer[CF_ID_OFS_SEC_CNT_32 + 1] << 16
477 
+                    | (unsigned long)CfSectorBuffer[CF_ID_OFS_SEC_CNT_32 + 1] << 24;
478 
+        if( CfSectorCnt <= 0 ) {
479 
+          debug_cf_printf( "CF does not contain any sectors" );
480 
+          CfError( );
481 
+          break;
482 
+        }
483 
+        // done
484 
+        CfDone( );
485 
+      }
486 
+      break;
487 
+
488 
+    // checking data status
489 
+    case CfStepDataStatus:
490 
+      debug_cf_printf( "internal error (identify, CfStepDataStatus)" );
491 
+      CfError( );
492 
+      break;
493 
+
494 
+  } // switch( CfWorkStep )
495 
+}
496 
+
497 
+// do normal compact flash work
498 
+static void CfProcWork( void )
499 
+{
500 
+  // only do CF processing if insertion state is ready
501 
+  // (otherwise, the insertion processing is still doing some work)
502 
+  if( CfInsState != CfInsReady )
503 
+    return;
504 
+
505 
+  // compact flash has been removed -> error
506 
+  if( ! CF_IS_DETECT( ) ) {
507 
+    debug_cf_printf( "CF no more present" );
508 
+    CfError( );
509 
+    return;
510 
+  }
511 
+
512 
+  // compact flash is not ready
513 
+  if( ! CF_IS_READY( ) ) {
514 
+    // wait for ready not active --> error
515 
+    if( CfWaitReady20 <= 0 ) {
516 
+      debug_cf_printf( "CF no more ready" );
517 
+      CfError( );
518 
+    }
519 
+    // do nothing if CF is not ready
520 
+    return;
521 
+  }
522 
+
523 
+  switch( CfWorkState ) {
524 
+
525 
+    // no compact flash work to do
526 
+    case CfWorkNone:
527 
+      // nothing to do here
528 
+      break;
529 
+
530 
+    // identification of compact flash active
531 
+    case CfWorkIdentify:
532 
+      CfProcWorkIdentify( );
533 
+      break;
534 
+
535 
+  } // switch( CfWorkState )
536 
+}
537 
+
538 
+// identify compact flash
539 
+//  - returns 0 on success, 1 if not idle and -1 on error
540 
+static char CfIdentify( void )
541 
+{
542 
+  // check that no command is being worked on
543 
+  if( CfWorkState != CfWorkNone )
544 
+    return 1;
545 
+
546 
+  debug_cf_printf( "CF identify" );
547 
+
548 
+  // issue identify drive command
549 
+  if( CfWriteReg( CF_REG_CMD, CF_CMD_IDENTIFY ) != 0 ) {
550 
+    CfError( );
551 
+    return -1;
552 
+  }
553 
+
554 
+  // now identifying compact flash
555 
+  CfWorkState = CfWorkIdentify;
556 
+  CfWorkStep = CfStepCmdStatus;
557 
+  CfNextOffset = 0;
558 
+  CfWaitReady20 = CF_WAIT_READY_20_TIMEOUT;
559 
+  return 0;
560 
+}
561 
+
562 
+// initialize
563 
+void CfInit( void ) // (extern)
564 
+{
565 
+  // setup ports
566 
+  bit_clear( CF_PORT_nCD, CF_BIT_nCD ); // pull-up of card detect pin off (external pull-up is present)
567 
+  bit_clear( CF_DDR_nCD, CF_BIT_nCD ); // card detect pin to input
568 
+  bit_clear( CF_PORT_nRST, CF_BIT_nRST ); // reset pin to LOW
569 
+  bit_set( CF_DDR_nRST, CF_BIT_nRST ); // reset pin to output
570 
+  bit_clear( CF_PORT_RDY, CF_BIT_RDY ); // pull-up of ready pin pin off (external pull-up is present)
571 
+  bit_clear( CF_DDR_RDY, CF_BIT_RDY ); // ready pin to input
572 
+  bit_set( CF_PORT_nCE, CF_BIT_nCE ); // card enable to LOW
573 
+  bit_set( CF_DDR_nCE, CF_BIT_nCE ); // card enable pin to output
574 
+}
575 
+
576 
+// tick procedure - call every 20ms
577 
+void CfTick20( void ) // (extern)
578 
+{
579 
+  // process compact flash insertion
580 
+  CfProcIns( );
581 
+
582 
+  // detect compact flash timeout
583 
+  CfDetectTimeout20( );
584 
+}
585 
+
586 
+// task function to do the work - call from main loop
587 
+void CfTask( void ) // (extern)
588 
+{
589 
+  // do nothing if no CF is inserted
590 
+  if( CfInsState != CfInsReady )
591 
+    return;
592 
+
593 
+  // compact flash is ready but not yet identified
594 
+  if( CfSectorCnt == 0 ) {
595 
+    // identify compact flash
596 
+    CfIdentify( );
597 
+  }
598 
+
599 
+  // do normal compact flash work
600 
+  CfProcWork( );
601 
+
602 
+  // update status
603 
+  StatusInfoCfPresent = CfInsState == CfInsReady; // report working CF if insertion state is ready
604 
+}
605 
+
firmware.dartboard/cf.h
View file @ e8658d5
... ... 
@@ -0,0 +1,27 @@
1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#ifndef INC_cf
9 
+#define INC_cf
10 
+
11 
+// size of a sector in bytes
12 
+#define CF_SECTOR_SIZE (512)
13 
+
14 
+// sector buffer
15 
+extern unsigned char CfSectorBuffer[CF_SECTOR_SIZE];
16 
+
17 
+// initialize
18 
+extern void CfInit( void );
19 
+
20 
+// tick procedure - call every 20ms
21 
+extern void CfTick20( void );
22 
+
23 
+// task function to do the work - call from main loop
24 
+extern void CfTask( void );
25 
+
26 
+#endif // #ifndef INC_cf
27 
+
firmware.dartboard/checksum.c
View file @ e8658d5
... ... 
@@ -0,0 +1,38 @@
1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#include "checksum.h"
9 
+#include "macros.h"
10 
+#include "nethelp.h"
11 
+
12 
+// generate a checksum
13 
+// also includes Pseudo1 and Pseudo2 in the checksum - set to 0x0000 for normal operation
14 
+// can also be used to check a checksum (returns 0 if correct)
15 
+unsigned short Checksum( unsigned char * pData, unsigned short Length, unsigned short Pseudo1, unsigned short Pseudo2 ) // (extern)
16 
+{
17 
+  unsigned long sum;
18 
+
19 
+  // sum up data of pseudo header
20 
+  sum = Pseudo1; // convert to 32 bit first
21 
+  sum += Pseudo2;
22 
+
23 
+  // add full 16 bit words in header
24 
+  for( ; Length >= 2; pData += 2, Length -= 2 )
25 
+    sum += ntohs( *(unsigned short *)pData );
26 
+
27 
+  // add last byte
28 
+  if( Length >= 1 )
29 
+    sum += (unsigned short)(*pData << 8);
30 
+
31 
+  // convert sum to one's complement sum
32 
+  sum = (sum & 0x0000FFFF) + (sum >> 16); // add carries (bits 31..16) to sum (bits 15..0)
33 
+  sum = (sum & 0x0000FFFF) + (sum >> 16); // still a carry possible (from last addition)
34 
+
35 
+  // return complement of one's complement sum
36 
+  return ~(unsigned short)sum;
37 
+}
38 
+
firmware.dartboard/checksum.h
View file @ e8658d5
... ... 
@@ -0,0 +1,17 @@
1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#ifndef INC_checksum
9 
+#define INC_checksum
10 
+
11 
+// generate a checksum
12 
+// also includes Pseudo1 and Pseudo2 in the checksum - set to 0x0000 for normal operation
13 
+// can also be used to check a checksum (returns 0 if correct)
14 
+extern unsigned short Checksum( unsigned char * pData, unsigned short Length, unsigned short Pseudo1, unsigned short Pseudo2 );
15 
+
16 
+#endif // #ifdef INC_checksum
17 
+
firmware.dartboard/config.c
View file @ e8658d5
... ... 
@@ -0,0 +1,30 @@
1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#include "config.h"
9 
+
10 
+// MAC address
11 
+unsigned char ConfigMac[6] = { 0x02, 0xF7, 0xA4, 0xE7, 0x8D, 0xB3 }; // (extern)
12 
+
13 
+// IP configuration
14 
+// - all zero for DHCP
15 
+unsigned char ConfigIp[4] = { 0, 0, 0, 0 }; // own IP address (extern)
16 
+unsigned char ConfigMask[4] = { 0, 0, 0, 0 }; // subnet mask (extern)
17 
+unsigned char ConfigGw[4] = { 0, 0, 0, 0 }; // gateway IP address (extern)
18 
+
19 
+// port for S8P
20 
+unsigned short ConfigS8pPort = 8; // disabled if 0 (extern)
21 
+
22 
+// symmetric key for S8P
23 
+unsigned char ConfigS8pKey[16] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; // (extern)
24 
+
25 
+// port for webserver
26 
+unsigned short ConfigHttpPort = 80; // disabled if 0 (extern)
27 
+
28 
+// default output state
29 
+unsigned char ConfigDefOut = 0x00; // (extern)
30 
+
firmware.dartboard/config.h
View file @ e8658d5
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1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#ifndef INC_config
9 
+#define INC_config
10 
+
11 
+// MAC address
12 
+extern unsigned char ConfigMac[6];
13 
+
14 
+// IP configuration
15 
+extern unsigned char ConfigIp[4]; // own IP address
16 
+extern unsigned char ConfigMask[4]; // subnet mask
17 
+extern unsigned char ConfigGw[4]; // gateway IP address
18 
+
19 
+// port for S8P
20 
+extern unsigned short ConfigS8pPort; // disabled if 0
21 
+
22 
+// symmetric key for S8P
23 
+extern unsigned char ConfigS8pKey[16];
24 
+
25 
+// port for webserver
26 
+extern unsigned short ConfigHttpPort; // disabled if 0
27 
+
28 
+// default output state
29 
+extern unsigned char ConfigDefOut;
30 
+
31 
+#endif // #ifndef INC_config
firmware.dartboard/dart.c
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1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#include <avr/io.h>
9 
+#include <avr/interrupt.h>
10 
+
11 
+#include "dart.h"
12 
+#include "debug.h"
13 
+#include "macros.h"
14 
+#include "nethelp.h"
15 
+#include "udp.h"
16 
+
17 
+// dartboard connection
18 
+//  - 7 row pins connected via shottky diode (low passes to dartboard)
19 
+//  - 12 column pins connected directly
20 
+
21 
+// IO-Pins
22 
+// PB0: col10
23 
+// PB2: col9
24 
+// PB3: col8
25 
+// PC[0-7]: col[0-7]
26 
+// PF[0-6]: row[0-6]
27 
+// PF7: col11
28 
+
29 
+// constants
30 
+#define DartRows (7)
31 
+#define DartCols (12)
32 
+#define DartFields (DartRows * DartCols)
33 
+#define DartDisableTicks (5)
34 
+#define DartQueueSize (16)
35 
+
36 
+// if waiting for a field to be hit
37 
+volatile unsigned char DartActive = 1;
38 
+
39 
+// current row being read
40 
+volatile unsigned char DartRow = DartRows;
41 
+volatile unsigned char DartRowBits = 1 << DartRows; // always 1 << DartRow
42 
+
43 
+// field that has been hit
44 
+volatile unsigned char DartField = DartFields;
45 
+
46 
+// ticks dartboard is disabled
47 
+//  - used after field has been hit to disable board for some time
48 
+unsigned char DartDisable = 0;
49 
+
50 
+// destination to send dart UDP packets to
51 
+unsigned char DartIp[4];
52 
+unsigned short DartPort = 0;
53 
+
54 
+// dart queue
55 
+unsigned char DartQueueStart = 0;
56 
+unsigned char DartQueueEnd = 0;
57 
+unsigned char DartQueue[DartQueueSize];
58 
+
59 
+// 128us interrupt (timer 2 overflow)
60 
+SIGNAL( SIG_OVERFLOW2 )
61 
+{
62 
+  unsigned char b, c, f, col;
63 
+
64 
+  // do nothing if not waiting for a field to be hit
65 
+  if( ! DartActive )
66 
+    return;
67 
+
68 
+  // read inputs
69 
+  b = ~PINB & 0x0D;
70 
+  c = ~PINC;
71 
+  f = ~PINF & 0x80;
72 
+
73 
+  // check if any input is active
74 
+  //  - make common case (no input active) fast
75 
+  if( b | c | f ) {
76 
+
77 
+    // no column
78 
+    col = DartCols;
79 
+
80 
+    // find active column (any active column if multiple active)
81 
+    if( b ) {
82 
+      if( b & 0x08 ) col = 8;
83 
+      else if( b & 0x04 ) col = 9;
84 
+      else if( b & 0x01 ) col = 10;
85 
+    } else if( c ) {
86 
+      if( c & 0x0F ) {
87 
+        if( c & 0x01 ) col = 0;
88 
+        else if( c & 0x02 ) col = 1;
89 
+        else if( c & 0x04 ) col = 2;
90 
+        else if( c & 0x08 ) col = 3;
91 
+      } else if( c & 0xF0 ) {
92 
+        if( c & 0x10 ) col = 4;
93 
+        else if( c & 0x20 ) col = 5;
94 
+        else if( c & 0x40 ) col = 6;
95 
+        else if( c & 0x80 ) col = 7;
96 
+      }
97 
+    } else if( f ) {
98 
+      if( f & 0x80 ) col = 11;
99 
+    }
100 
+
101 
+    // active column found
102 
+    if( col < DartCols ) {
103 
+      // save field number
104 
+      DartField = DartRow * DartCols + col;
105 
+      // do not wait for a field to be hit any more
106 
+      DartActive = 0;
107 
+    }
108 
+
109 
+  } // if( b | c | f )
110 
+
111 
+  // next row
112 
+  DartRow++;
113 
+  DartRowBits <<= 1;
114 
+  if( DartRow >= DartRows ) {
115 
+    DartRow = 0;
116 
+    DartRowBits = 0x01;
117 
+  }
118 
+
119 
+  // select new row
120 
+  PORTF = 0xFF & ~DartRowBits;
121 
+}
122 
+
123 
+// initialize
124 
+void DartInit( void ) // (extern)
125 
+{
126 
+  // col to input with pull-up
127 
+  // row to output, high
128 
+  PORTB |= 0x0D;
129 
+  DDRB &= ~0x0D;
130 
+  PORTC = 0xFF;
131 
+  DDRC = 0x00;
132 
+  PORTF = 0xFF;
133 
+  DDRF = 0x7F;
134 
+
135 
+  // configure timer 2 to 128us interval
136 
+  TCCR2 = 0<<FOC2 | 0<<WGM21 | 0<<WGM20 | // normal mode
137 
+          0<<COM21 | 0<<COM20 | // no waveform generation
138 
+          0<<CS22 | 1<<CS21 | 0<<CS20; // 1/8 of sysclock (16MHz) -> overflow every 128us
139 
+
140 
+  // enable timer 2 overflow interrupt
141 
+  TIMSK |= 1<<TOIE2;
142 
+}
143 
+
144 
+// convert field number to meaning
145 
+void DartField2Meaning( unsigned char field, unsigned char * factor,
146 
+                                             unsigned char * value )
147 
+{
148 
+  switch( field ) {
149 
+    case 0: *factor = 3; *value = 13; break;
150 
+    case 1: *factor = 1; *value = 18; break;
151 
+    case 2: *factor = 1; *value = 10; break;
152 
+    case 3: *factor = 1; *value = 15; break;
153 
+    case 4: *factor = 2; *value = 15; break;
154 
+    case 5: *factor = 3; *value = 5; break;
155 
+    case 6: *factor = 2; *value = 2; break;
156 
+    case 7: *factor = 1; *value = 2; break;
157 
+    case 8: *factor = 1; *value = 17; break;
158 
+    case 9: *factor = 1; *value = 3; break;
159 
+    case 10: *factor = 1; *value = 8; break;
160 
+    case 11: *factor = 3; *value = 7; break;
161 
+    case 12: *factor = 1; *value = 4; break;
162 
+    case 13: *factor = 3; *value = 6; break;
163 
+    case 14: *factor = 3; *value = 10; break;
164 
+    case 15: *factor = 3; *value = 15; break;
165 
+    case 16: *factor = 0; *value = 0; break;
166 
+    case 17: *factor = 1; *value = 5; break;
167 
+    case 18: *factor = 0; *value = 0; break;
168 
+    case 19: *factor = 1; *value = 2; break;
169 
+    case 20: *factor = 1; *value = 17; break;
170 
+    case 21: *factor = 1; *value = 3; break;
171 
+    case 22: *factor = 1; *value = 19; break;
172 
+    case 23: *factor = 1; *value = 7; break;
173 
+    case 24: *factor = 1; *value = 13; break;
174 
+    case 25: *factor = 1; *value = 6; break;
175 
+    case 26: *factor = 1; *value = 10; break;
176 
+    case 27: *factor = 1; *value = 15; break;
177 
+    case 28: *factor = 2; *value = 25; break;
178 
+    case 29: *factor = 1; *value = 12; break;
179 
+    case 30: *factor = 1; *value = 25; break;
180 
+    case 31: *factor = 3; *value = 2; break;
181 
+    case 32: *factor = 3; *value = 17; break;
182 
+    case 33: *factor = 3; *value = 3; break;
183 
+    case 34: *factor = 3; *value = 19; break;
184 
+    case 35: *factor = 1; *value = 16; break;
185 
+    case 36: *factor = 3; *value = 4; break;
186 
+    case 37: *factor = 1; *value = 6; break;
187 
+    case 38: *factor = 1; *value = 1; break;
188 
+    case 39: *factor = 1; *value = 20; break;
189 
+    case 40: *factor = 2; *value = 10; break;
190 
+    case 41: *factor = 3; *value = 12; break;
191 
+    case 42: *factor = 2; *value = 17; break;
192 
+    case 43: *factor = 1; *value = 9; break;
193 
+    case 44: *factor = 1; *value = 14; break;
194 
+    case 45: *factor = 1; *value = 11; break;
195 
+    case 46: *factor = 1; *value = 19; break;
196 
+    case 47: *factor = 3; *value = 16; break;
197 
+    case 48: *factor = 1; *value = 13; break;
198 
+    case 49: *factor = 3; *value = 18; break;
199 
+    case 50: *factor = 3; *value = 1; break;
200 
+    case 51: *factor = 3; *value = 20; break;
201 
+    case 52: *factor = 2; *value = 6; break;
202 
+    case 53: *factor = 1; *value = 5; break;
203 
+    case 54: *factor = 2; *value = 3; break;
204 
+    case 55: *factor = 3; *value = 9; break;
205 
+    case 56: *factor = 3; *value = 14; break;
206 
+    case 57: *factor = 3; *value = 11; break;
207 
+    case 58: *factor = 3; *value = 8; break;
208 
+    case 59: *factor = 1; *value = 7; break;
209 
+    case 60: *factor = 1; *value = 4; break;
210 
+    case 61: *factor = 1; *value = 18; break;
211 
+    case 62: *factor = 1; *value = 1; break;
212 
+    case 63: *factor = 1; *value = 20; break;
213 
+    case 64: *factor = 2; *value = 13; break;
214 
+    case 65: *factor = 1; *value = 12; break;
215 
+    case 66: *factor = 2; *value = 19; break;
216 
+    case 67: *factor = 1; *value = 9; break;
217 
+    case 68: *factor = 1; *value = 14; break;
218 
+    case 69: *factor = 1; *value = 11; break;
219 
+    case 70: *factor = 1; *value = 8; break;
220 
+    case 71: *factor = 1; *value = 16; break;
221 
+    case 72: *factor = 2; *value = 4; break;
222 
+    case 73: *factor = 2; *value = 18; break;
223 
+    case 74: *factor = 2; *value = 1; break;
224 
+    case 75: *factor = 2; *value = 20; break;
225 
+    case 76: *factor = 2; *value = 5; break;
226 
+    case 77: *factor = 2; *value = 12; break;
227 
+    case 78: *factor = 2; *value = 7; break;
228 
+    case 79: *factor = 2; *value = 9; break;
229 
+    case 80: *factor = 2; *value = 14; break;
230 
+    case 81: *factor = 2; *value = 11; break;
231 
+    case 82: *factor = 2; *value = 8; break;
232 
+    case 83: *factor = 2; *value = 16; break;
233 
+    default: *factor = 0; *value = 0; break;
234 
+  }
235 
+}
236 
+
237 
+// task procedure
238 
+void DartTask( void ) // (extern)
239 
+{
240 
+  unsigned char factor, value, len, idx;
241 
+  struct {
242 
+    struct UdpPacket udp;
243 
+    char text[6];
244 
+  } data;
245 
+
246 
+  // a field has been hit
247 
+  if( DartField < DartFields ) {
248 
+
249 
+    // convert field number to meaning
250 
+    DartField2Meaning( DartField, &factor, &value );
251 
+    if( factor <= 0 || value <= 0 ) {
252 
+      debug_dart_printf( "field %u hit", DartField );
253 
+    } else {
254 
+      debug_dart_printf( "%ux%u (field %u) hit", factor, value, DartField );
255 
+
256 
+      // put into queue
257 
+      idx = DartQueueEnd + 1;
258 
+      if( idx >= DartQueueSize )
259 
+        idx = 0;
260 
+      if( idx != DartQueueStart ) {
261 
+        DartQueue[DartQueueEnd] = DartField;
262 
+        DartQueueEnd = idx;
263 
+      }
264 
+
265 
+      // UDP packets have been requested
266 
+      if( DartPort != 0 ) {
267 
+        len = 0;
268 
+        data.text[len++] = factor + '0';
269 
+        data.text[len++] = 'x';
270 
+        if( value >= 10 )
271 
+          data.text[len++] = value / 10 + '0';
272 
+        data.text[len++] = value % 10 + '0';
273 
+        data.text[len++] = '\r';
274 
+        data.text[len++] = '\n';
275 
+        // send UDP packet
276 
+        data.udp.UdpHdr.SrcPort = htons( 501 );
277 
+        data.udp.UdpHdr.DestPort = htons( DartPort );
278 
+        ip_cpy( data.udp.IpHdr.Dest, DartIp );
279 
+        UdpSend( (unsigned char *)&data,
280 
+                 sizeof( data ) - sizeof( data.text) + len );
281 
+      }
282 
+
283 
+    }
284 
+
285 
+    // reset field
286 
+    DartField = DartFields;
287 
+    // disable dart board for a short time
288 
+    DartDisable = DartDisableTicks;
289 
+  }
290 
+}
291 
+
292 
+// tick procedure - call every 200ms
293 
+void DartTick200( void ) // (extern)
294 
+{
295 
+  // dart board is disabled
296 
+  if( DartDisable > 0 ) {
297 
+    // count down ticks
298 
+    DartDisable--;
299 
+    // disable period elapsed
300 
+    if( DartDisable <= 0 ) {
301 
+      // switch dart board to active
302 
+      DartActive = 1;
303 
+    }
304 
+  }
305 
+}
306 
+
307 
+// a dart request packet has been received
308 
+void DartRequest( unsigned char ip[4], unsigned short port ) // (extern)
309 
+{
310 
+  // save new destination
311 
+  ip_cpy( DartIp, ip );
312 
+  DartPort = port;
313 
+}
314 
+
315 
+// poll for dart event
316 
+void DartPoll( unsigned char * factor, unsigned char * value ) // (extern)
317 
+{
318 
+  unsigned char field, fac, val;
319 
+
320 
+  // dart queue empty
321 
+  if( DartQueueStart == DartQueueEnd ) {
322 
+    *factor = 0;
323 
+    *value = 0;
324 
+    return;
325 
+  }
326 
+
327 
+  // get entry from queue
328 
+  field = DartQueue[DartQueueStart];
329 
+  DartQueueStart++;
330 
+  if( DartQueueStart >= DartQueueSize )
331 
+    DartQueueStart = 0;
332 
+
333 
+  // convert field number to meaning
334 
+  DartField2Meaning( field, &fac, &val );
335 
+  if( factor <= 0 || value <= 0 ) {
336 
+    debug_dart_printf( "from queue: field %u", field );
337 
+  } else {
338 
+    debug_dart_printf( "from queue: %ux%u (field %u)", fac, val, field );
339 
+  }
340 
+
341 
+  *factor = fac;
342 
+  *value = val;
343 
+}
344 
+
firmware.dartboard/dart.h
View file @ e8658d5
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@@ -0,0 +1,27 @@
1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#ifndef INC_dart
9 
+#define INC_dart
10 
+
11 
+// initialize
12 
+extern void DartInit( void );
13 
+
14 
+// task procedure
15 
+extern void DartTask( void );
16 
+
17 
+// tick procedure - call every 200ms
18 
+extern void DartTick200( void );
19 
+
20 
+// a dart request packet has been received
21 
+extern void DartRequest( unsigned char ip[4], unsigned short port );
22 
+
23 
+// poll for dart event
24 
+extern void DartPoll( unsigned char * factor, unsigned char * value );
25 
+
26 
+#endif // #ifdef INC_dart
27 
+
firmware.dartboard/debug.h
View file @ e8658d5
... ... 
@@ -0,0 +1,59 @@
1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#ifndef INC_debug
9 
+#define INC_debug
10 
+
11 
+#include <stdio.h>
12 
+#include <avr/pgmspace.h>
13 
+
14 
+// debug configuration (what to debug)
15 
+#define DEBUG_INIT 0
16 
+#define DEBUG_EEPROM 0
17 
+#define DEBUG_CF 0
18 
+#define DEBUG_DART 1
19 
+#define DEBUG_RTL8019 0
20 
+#define DEBUG_ETHER 0
21 
+#define DEBUG_ARP 0
22 
+#define DEBUG_IP 0
23 
+#define DEBUG_ICMP 0
24 
+#define DEBUG_UDP 0
25 
+#define DEBUG_DHCP 0
26 
+#define DEBUG_TCP 0
27 
+#define DEBUG_HTTP 1
28 
+
29 
+// debug version of printf
30 
+#ifdef DEBUG
31 
+#define debug_printf( fmt, arg... ) \
32 
+  { \
33 
+    static const PROGMEM char fmt_pgm[] = fmt"\r\n"; \
34 
+    char fmt_buf[sizeof( fmt_pgm )]; \
35 
+    for( int i = 0; i < sizeof( fmt_pgm ); i++ ) \
36 
+      fmt_buf[i] = (char)pgm_read_byte_near( (uint16_t)fmt_pgm + i ); \
37 
+    printf( fmt_buf, ##arg ); \
38 
+  }
39 
+#else
40 
+#define debug_printf( fmt, arg... ) { }
41 
+#endif
42 
+
43 
+// specialized debug versions of printf
44 
+#define debug_specialized_printf( enabled, fmt, arg... ) { if( enabled ) debug_printf( fmt, ##arg ); }
45 
+#define debug_init_printf( fmt, arg... ) debug_specialized_printf( DEBUG_INIT, "init: "fmt, ##arg )
46 
+#define debug_eeprom_printf( fmt, arg... ) debug_specialized_printf( DEBUG_EEPROM, "eeprom: "fmt, ##arg )
47 
+#define debug_cf_printf( fmt, arg... ) debug_specialized_printf( DEBUG_CF, "cf: "fmt, ##arg )
48 
+#define debug_dart_printf( fmt, arg... ) debug_specialized_printf( DEBUG_DART, "dart: "fmt, ##arg )
49 
+#define debug_rtl8019_printf( fmt, arg... ) debug_specialized_printf( DEBUG_RTL8019, "rtl8019: "fmt, ##arg )
50 
+#define debug_ether_printf( fmt, arg... ) debug_specialized_printf( DEBUG_ETHER, "ether: "fmt, ##arg )
51 
+#define debug_arp_printf( fmt, arg... ) debug_specialized_printf( DEBUG_ARP, "arp: "fmt, ##arg )
52 
+#define debug_ip_printf( fmt, arg... ) debug_specialized_printf( DEBUG_IP, "ip: "fmt, ##arg )
53 
+#define debug_icmp_printf( fmt, arg... ) debug_specialized_printf( DEBUG_ICMP, "icmp: "fmt, ##arg )
54 
+#define debug_udp_printf( fmt, arg... ) debug_specialized_printf( DEBUG_UDP, "udp: "fmt, ##arg )
55 
+#define debug_dhcp_printf( fmt, arg... ) debug_specialized_printf( DEBUG_DHCP, "dhcp: "fmt, ##arg )
56 
+#define debug_tcp_printf( fmt, arg... ) debug_specialized_printf( DEBUG_TCP, "tcp: "fmt, ##arg )
57 
+#define debug_http_printf( fmt, arg... ) debug_specialized_printf( DEBUG_HTTP, "http: "fmt, ##arg )
58 
+
59 
+#endif // #ifndef INC_debug
firmware.dartboard/dhcp.c
View file @ e8658d5
... ... 
@@ -0,0 +1,496 @@
1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#include <string.h>
9 
+
10 
+#include "config.h"
11 
+#include "checksum.h"
12 
+#include "debug.h"
13 
+#include "dhcp.h"
14 
+#include "ethernet.h"
15 
+#include "ip.h"
16 
+#include "macros.h"
17 
+#include "nethelp.h"
18 
+#include "random.h"
19 
+#include "udp.h"
20 
+
21 
+// configuration
22 
+static const unsigned char DhcpRetrySecsMax = 10; // avarage timeout after which to retry DHCP action
23 
+static const unsigned char DhcpRetriesMax = 5; // maximum number of retries before aborting DHCP action
24 
+static const unsigned long DhcpLeaseRestMin = 300; // when to ask to extend lease
25 
+static const unsigned char DhcpLeaseRenewFraction = 8; // to renw lease when only this fraction of lease is left
26 
+
27 
+// DHCP tick counter to get full seconds
28 
+static unsigned char DhcpTicks = 0;
29 
+
30 
+// time of current DHCP action
31 
+static unsigned char DhcpInProgress = 0; // if DHCP action is in progress
32 
+static unsigned char DhcpRetries = 0; // number of retries left
33 
+static unsigned char DhcpRetrySecs = 0; // rest of time for current retry
34 
+
35 
+// current XId
36 
+static unsigned char DhcpHaveXId = 0; // if an XId exists at the moment
37 
+static unsigned long DhcpXId = 0; // the current XId data
38 
+static unsigned int DhcpXIdSecs = 0; // time of XId
39 
+
40 
+// DHCP server and lease time
41 
+static unsigned char DhcpActive = 0; // if own IP is leased from DHCP
42 
+static unsigned char DhcpServer[4]; // IP address of DHCP server own IP is leased from
43 
+static unsigned long DhcpLeaseTime = 0; // total lease time
44 
+static unsigned long DhcpLeaseRest = 0; // rest of lease time
45 
+
46 
+// send a DHCP packet
47 
+// pData must point to a struct DhcpPacket with IpHdr.Dest, DhcpHdr.XId
48 
+// DhcpHdr.Secs, DhcpHdr.Flags and DhcpHdr.YIAddr already initialized
49 
+static void DhcpSend( unsigned char * pData, unsigned short Length ) // (extern)
50 
+{
51 
+  struct DhcpPacket * pDhcpPack;
52 
+
53 
+  // packet too short
54 
+  if( Length < sizeof( struct DhcpPacket ) )
55 
+    return;
56 
+
57 
+  // convert pointer to DHCP packet
58 
+  // (this saves us from always casting pData)
59 
+  pDhcpPack = (struct DhcpPacket *)pData;
60 
+
61 
+  debug_dhcp_printf( "send xid=%08lX len=%d",
62 
+                     ntohl( pDhcpPack->DhcpHdr.XId ), Length );
63 
+
64 
+  // we are DHCP client
65 
+  // - source port must be 68
66 
+  // - destination port must be 67
67 
+  pDhcpPack->UdpHdr.SrcPort = htons( 68 );
68 
+  pDhcpPack->UdpHdr.DestPort = htons( 67 );
69 
+  // set up DHCP header fields as client
70 
+  pDhcpPack->DhcpHdr.Op = 1;
71 
+  pDhcpPack->DhcpHdr.HType = 1;
72 
+  pDhcpPack->DhcpHdr.HLen = 6;
73 
+  pDhcpPack->DhcpHdr.HOps = 0;
74 
+  memset( pDhcpPack->DhcpHdr.CIAddr, 0, 4 );
75 
+  memset( pDhcpPack->DhcpHdr.SIAddr, 0, 4 );
76 
+  memset( pDhcpPack->DhcpHdr.GIAddr, 0, 4 );
77 
+  mac_cpy( pDhcpPack->DhcpHdr.CHAddr, ConfigMac );
78 
+  memset( pDhcpPack->DhcpHdr.CHAddr + 6, 0, 10 );
79 
+  memset( pDhcpPack->DhcpHdr.SName, 0, 64 );
80 
+  memset( pDhcpPack->DhcpHdr.File, 0, 128 );
81 
+  pDhcpPack->DhcpHdr.MCookie = htonl( 0x63825363 );
82 
+
83 
+  // send DHCP packet
84 
+  UdpSend( pData, Length );
85 
+}
86 
+
87 
+// send a DHCP discover
88 
+static void DhcpDiscover( void )
89 
+{
90 
+  struct {
91 
+    struct DhcpPacket DhcpPack;
92 
+    unsigned char OptType[3];
93 
+    unsigned char OptEnd[2];
94 
+  } DhcpDiscover;
95 
+
96 
+  debug_dhcp_printf( "discover" );
97 
+
98 
+  ip_cpy( DhcpDiscover.DhcpPack.IpHdr.Dest, "\xFF\xFF\xFF\xFF" ); // broadcast
99 
+  DhcpDiscover.DhcpPack.DhcpHdr.XId = htonl( DhcpXId );
100 
+  DhcpDiscover.DhcpPack.DhcpHdr.Secs = htons( DhcpXIdSecs ); // use time of XId
101 
+  DhcpDiscover.DhcpPack.DhcpHdr.Flags = htons( 0x8000 ); // broadcast
102 
+  memset( DhcpDiscover.DhcpPack.DhcpHdr.YIAddr, 0, 4 );
103 
+  DhcpDiscover.OptType[0] = 0x35; // DHCP discover
104 
+  DhcpDiscover.OptType[1] = 0x01;
105 
+  DhcpDiscover.OptType[2] = 0x01;
106 
+  DhcpDiscover.OptEnd[0] = 0xFF; // end of options
107 
+  DhcpDiscover.OptEnd[1] = 0x00;
108 
+
109 
+  DhcpSend( (unsigned char *)&DhcpDiscover, sizeof( DhcpDiscover ) );
110 
+}
111 
+
112 
+// send a DHCP request
113 
+static void DhcpRequest( void )
114 
+{
115 
+  struct {
116 
+    struct DhcpPacket DhcpPack;
117 
+    unsigned char OptType[3];
118 
+    unsigned char OptReq[6];
119 
+    unsigned char OptServer[6];
120 
+    unsigned char OptEnd[2];
121 
+  } DhcpRequest;
122 
+
123 
+  debug_dhcp_printf( "request ip=%d.%d.%d.%d",
124 
+                     ConfigIp[0], ConfigIp[1], ConfigIp[2], ConfigIp[3] );
125 
+
126 
+  ip_cpy( DhcpRequest.DhcpPack.IpHdr.Dest, DhcpServer ); // send to DHCP server
127 
+  DhcpRequest.DhcpPack.DhcpHdr.XId = htonl( DhcpXId );
128 
+  DhcpRequest.DhcpPack.DhcpHdr.Secs = htons( DhcpXIdSecs ); // use time of XId
129 
+  DhcpRequest.DhcpPack.DhcpHdr.Flags = htons( 0x0000 );
130 
+  ip_cpy( DhcpRequest.DhcpPack.DhcpHdr.YIAddr, ConfigIp );
131 
+  DhcpRequest.OptType[0] = 0x35; // DHCP request
132 
+  DhcpRequest.OptType[1] = 0x01;
133 
+  DhcpRequest.OptType[2] = 0x03;
134 
+  DhcpRequest.OptReq[0] = 0x32; // requested IP
135 
+  DhcpRequest.OptReq[1] = 0x04;
136 
+  ip_cpy( &DhcpRequest.OptReq[2], ConfigIp );
137 
+  DhcpRequest.OptServer[0] = 0x36; // DHCP server
138 
+  DhcpRequest.OptServer[1] = 0x04;
139 
+  ip_cpy( &DhcpRequest.OptServer[2], DhcpServer );
140 
+  DhcpRequest.OptEnd[0] = 0xFF; // end of options
141 
+  DhcpRequest.OptEnd[1] = 0x00;
142 
+
143 
+  DhcpSend( (unsigned char *)&DhcpRequest, sizeof( DhcpRequest ) );
144 
+}
145 
+
146 
+// abort DHCP action
147 
+static void DhcpAbort( void )
148 
+{
149 
+  // abort DHCP action
150 
+  DhcpInProgress = 0;
151 
+  DhcpRetries = 0;
152 
+  DhcpRetrySecs = 0;
153 
+
154 
+  // forget XId
155 
+  DhcpHaveXId = 0;
156 
+  DhcpXId = 0;
157 
+  DhcpXIdSecs = 0;
158 
+
159 
+  // give up IP address if it was leased
160 
+  if( DhcpActive ) {
161 
+    ip_cpy( ConfigIp, "\0\0\0\0" );
162 
+    ip_cpy( ConfigMask, "\0\0\0\0" );
163 
+    ip_cpy( ConfigGw, "\0\0\0\0" );
164 
+    DhcpActive = 0;
165 
+    DhcpLeaseTime = 0;
166 
+    DhcpLeaseRest = 0;
167 
+  }
168 
+}
169 
+
170 
+// retry DHCP action
171 
+static void DhcpRetry( void )
172 
+{
173 
+  // DHCP lease not active ---> re-send DHCP discover
174 
+  if( ! DhcpActive ) {
175 
+
176 
+    // get time for next try
177 
+    RandomGetData( (unsigned char *)&DhcpRetrySecs, sizeof( DhcpRetrySecs ) );
178 
+    DhcpRetrySecs = DhcpRetrySecs % DhcpRetrySecsMax + DhcpRetrySecsMax / 2;
179 
+    // re-send DHCP discover
180 
+    DhcpDiscover( );
181 
+
182 
+  }
183 
+
184 
+  // DHCP lease active and lease time almost over ---> re-send DHCP request
185 
+  if( DhcpActive && (DhcpLeaseRest < DhcpLeaseRestMin ||
186 
+                     DhcpLeaseRest < DhcpLeaseTime / DhcpLeaseRenewFraction) ) {
187 
+
188 
+    // get time for next try
189 
+    RandomGetData( (unsigned char *)&DhcpRetrySecs, sizeof( DhcpRetrySecs ) );
190 
+    DhcpRetrySecs = DhcpRetrySecs % DhcpRetrySecsMax + DhcpRetrySecsMax / 2;
191 
+    // re-send DHCP request
192 
+    DhcpRequest( );
193 
+
194 
+  }
195 
+}
196 
+
197 
+// start new DHCP action
198 
+static void DhcpStart( void )
199 
+{
200 
+  // DHCP lease not active ---> DHCP discover
201 
+  if( ! DhcpActive ) {
202 
+
203 
+    // DHCP operation starts
204 
+    DhcpInProgress = 1;
205 
+    DhcpRetries = DhcpRetriesMax;
206 
+    RandomGetData( (unsigned char *)&DhcpRetrySecs, sizeof( DhcpRetrySecs ) );
207 
+    DhcpRetrySecs = DhcpRetrySecs % DhcpRetrySecsMax + DhcpRetrySecsMax / 2;
208 
+    // get new XId
209 
+    RandomGetData( (unsigned char *)&DhcpXId, sizeof( DhcpXId ) );
210 
+    DhcpXIdSecs++;
211 
+    DhcpHaveXId = 1;
212 
+    // send DHCP discover
213 
+    DhcpDiscover( );
214 
+
215 
+  }
216 
+
217 
+  // DHCP lease active and lease time almost over ---> DHCP request
218 
+  if( DhcpActive && (DhcpLeaseRest < DhcpLeaseRestMin ||
219 
+                     DhcpLeaseRest < DhcpLeaseTime / DhcpLeaseRenewFraction) ) {
220 
+
221 
+    // DHCP operation starts
222 
+    DhcpInProgress = 1;
223 
+    DhcpRetries = DhcpRetriesMax;
224 
+    RandomGetData( (unsigned char *)&DhcpRetrySecs, sizeof( DhcpRetrySecs ) );
225 
+    DhcpRetrySecs = DhcpRetrySecs % DhcpRetrySecsMax + DhcpRetrySecsMax / 2;
226 
+    // get new XId if none available
227 
+    if( ! DhcpHaveXId ) {
228 
+      RandomGetData( (unsigned char *)&DhcpXId, sizeof( DhcpXId ) );
229 
+      DhcpXIdSecs++;
230 
+      DhcpHaveXId = 1;
231 
+    }
232 
+    // send DHCP request
233 
+    DhcpRequest( );
234 
+
235 
+  }
236 
+}
237 
+
238 
+// tick procedure - every 1000ms
239 
+static void DhcpTick1000( void )
240 
+{
241 
+  // DHCP operation in progress
242 
+  if( DhcpInProgress ) {
243 
+
244 
+    // count down time of current try of current action
245 
+    DhcpRetrySecs--;
246 
+    if( DhcpRetrySecs <= 0 ) {
247 
+
248 
+      // count down retries
249 
+      DhcpRetries--;
250 
+
251 
+      // no more retries left ---> abort, retry otherwise
252 
+      if( DhcpRetries <= 0 )
253 
+        DhcpAbort( );
254 
+      else
255 
+        DhcpRetry( );
256 
+
257 
+    }
258 
+
259 
+  }
260 
+
261 
+  // increase time of XId
262 
+  DhcpXIdSecs++;
263 
+
264 
+  // dcrease remaining lease time
265 
+  DhcpLeaseRest--;
266 
+  // lease timed out ---> abort DHCP (will also invalidate IP)
267 
+  if( DhcpLeaseRest <= 0 ) {
268 
+    debug_dhcp_printf( "lease expired" );
269 
+    DhcpAbort( );
270 
+  }
271 
+}
272 
+
273 
+// tick procedure - call every 200ms
274 
+void DhcpTick200( void ) // (extern)
275 
+{
276 
+  // get 1 second interval
277 
+  DhcpTicks++;
278 
+  if( DhcpTicks >= 5 ) {
279 
+    DhcpTicks = 0;
280 
+    DhcpTick1000( );
281 
+  }
282 
+
283 
+  // no DHCP operation in progress
284 
+  if( ! DhcpInProgress ) {
285 
+    // DHCP lease active or no IP address ---> DHCP allowed (i.e. no static IP)
286 
+    if( DhcpActive || ip_eq( ConfigIp, "\0\0\0\0" ) ) {
287 
+      // start new DHCP action
288 
+      DhcpStart( );
289 
+    }
290 
+  }
291 
+}
292 
+
293 
+// process a received DHCP offer
294 
+static void DhcpOffer( unsigned char addr[4], unsigned char mask[4],
295 
+                       unsigned char gateway[4], unsigned long time,
296 
+                       unsigned char server[4] )
297 
+{
298 
+  debug_dhcp_printf( "offer addr=%d.%d.%d.%d mask=%d.%d.%d.%d gw=%d.%d.%d.%d",
299 
+                     addr[0], addr[1], addr[2], addr[3],
300 
+                     mask[0], mask[1], mask[2], mask[3],
301 
+                     gateway[0], gateway[1], gateway[2], gateway[3] );
302 
+  debug_dhcp_printf( "offer time=%ld server=%d.%d.%d.%d",
303 
+                     time, server[0], server[1], server[2], server[3] );
304 
+
305 
+  // use this IP address, mask and gateway
306 
+  ip_cpy( ConfigIp, addr );
307 
+  ip_cpy( ConfigMask, mask );
308 
+  ip_cpy( ConfigGw, gateway );
309 
+
310 
+  // store DHCP server and lease time
311 
+  DhcpActive = 1;
312 
+  ip_cpy( DhcpServer, server );
313 
+  DhcpLeaseTime = time;
314 
+  DhcpLeaseRest = DhcpLeaseRestMin; // schedule DHCP request
315 
+
316 
+  // DHCP action finished
317 
+  DhcpInProgress = 0;
318 
+  DhcpRetries = 0;
319 
+  DhcpRetrySecs = 0;
320 
+}
321 
+
322 
+// process a received DHCP ack
323 
+static void DhcpAck( unsigned char addr[4], unsigned char mask[4],
324 
+                     unsigned char gateway[4], unsigned long time,
325 
+                     unsigned char server[4] )
326 
+{
327 
+  debug_dhcp_printf( "ack addr=%d.%d.%d.%d mask=%d.%d.%d.%d gw=%d.%d.%d.%d",
328 
+                     addr[0], addr[1], addr[2], addr[3],
329 
+                     mask[0], mask[1], mask[2], mask[3],
330 
+                     gateway[0], gateway[1], gateway[2], gateway[3] );
331 
+  debug_dhcp_printf( "ack time=%ld server=%d.%d.%d.%d",
332 
+                     time, server[0], server[1], server[2], server[3] );
333 
+
334 
+  // check if IP address, mask and gateway match
335 
+  if( ! ip_eq( ConfigIp, addr ) ||
336 
+      ! ip_eq( ConfigMask, mask ) ||
337 
+      ! ip_eq( ConfigGw, gateway ) )
338 
+  {
339 
+    // mismatch ---> something is wrong, abort
340 
+    DhcpAbort( );
341 
+    return;
342 
+  }
343 
+
344 
+  // store DHCP server and lease time
345 
+  DhcpActive = 1;
346 
+  ip_cpy( DhcpServer, server );
347 
+  DhcpLeaseTime = time;
348 
+  DhcpLeaseRest = time;
349 
+
350 
+  // DHCP action finished
351 
+  DhcpInProgress = 0;
352 
+  DhcpRetries = 0;
353 
+  DhcpRetrySecs = 0;
354 
+
355 
+  // forget XId
356 
+  DhcpHaveXId = 0;
357 
+  DhcpXId = 0;
358 
+  DhcpXIdSecs = 0;
359 
+}
360 
+
361 
+// process a received DHCP packet
362 
+void DhcpRecv( unsigned char * pData, unsigned short Length ) // (extern)
363 
+{
364 
+  struct DhcpPacket * pDhcpPack;
365 
+  unsigned char *opt_ptr, tag, len;
366 
+  unsigned short opt_len;
367 
+  unsigned char type;
368 
+  unsigned char have_mask, mask[4], have_gateway, gateway[4];
369 
+  unsigned char have_time, have_server, server[4];
370 
+  unsigned long time;
371 
+
372 
+  // packet too short
373 
+  if( Length < sizeof( struct DhcpPacket ) )
374 
+    return;
375 
+
376 
+  // convert pointer to UDP packet
377 
+  // (this saves us from always casting pData)
378 
+  pDhcpPack = (struct DhcpPacket *)pData;
379 
+
380 
+  // we are DHCP client
381 
+  // - source port must be 67
382 
+  // - destination port must be 68
383 
+  if( pDhcpPack->UdpHdr.SrcPort != htons( 67 ) ||
384 
+      pDhcpPack->UdpHdr.DestPort != htons( 68 ) )
385 
+    return;
386 
+  // check DHCP fields
387 
+  if( pDhcpPack->DhcpHdr.Op != 2 ||
388 
+      pDhcpPack->DhcpHdr.HType != 1 ||
389 
+      pDhcpPack->DhcpHdr.HLen != 6 ||
390 
+      pDhcpPack->DhcpHdr.HOps != 0 ||
391 
+      pDhcpPack->DhcpHdr.MCookie != htonl( 0x63825363 ) )
392 
+    return;
393 
+
394 
+  debug_dhcp_printf( "recv xid=%08lX len=%d",
395 
+                     ntohl( pDhcpPack->DhcpHdr.XId ), Length );
396 
+
397 
+  // check XId
398 
+  if( ! DhcpHaveXId || ntohl( pDhcpPack->DhcpHdr.XId ) != DhcpXId )
399 
+    return;
400 
+
401 
+  // get options
402 
+  opt_ptr = pData + sizeof( struct DhcpPacket );
403 
+  opt_len = Length - sizeof( struct DhcpPacket );
404 
+
405 
+  // parse options
406 
+  type = 0;
407 
+  have_mask = 0;
408 
+  have_gateway = 0;
409 
+  time = 0;
410 
+  have_time = 0;
411 
+  have_server = 0;
412 
+  while( opt_len > 2 ) {
413 
+
414 
+    // get tag and length
415 
+    tag = *opt_ptr++;
416 
+    len = *opt_ptr++;
417 
+    if( opt_len < 2 + len )
418 
+      break;
419 
+
420 
+    // get option
421 
+    switch( tag ) {
422 
+
423 
+      // type
424 
+      case 0x35:
425 
+        if( len >= 1 )
426 
+          type = opt_ptr[0];
427 
+        break;
428 
+
429 
+      // subnet mask
430 
+      case 0x01:
431 
+        if( len >= 4 )
432 
+          memcpy( mask, opt_ptr, 4 );
433 
+          have_mask = 1;
434 
+        break;
435 
+
436 
+      // gateway
437 
+      case 0x03:
438 
+        if( len >= 4 ) {
439 
+          memcpy( gateway, opt_ptr, 4 );
440 
+          have_gateway = 1;
441 
+        }
442 
+        break;
443 
+
444 
+      // lease time
445 
+      case 0x33:
446 
+        if( len >= 4 ) {
447 
+          time = ntohl( *(unsigned long *)opt_ptr );
448 
+          have_time = 1;
449 
+        }
450 
+        break;
451 
+
452 
+      // DHCP server
453 
+      case 0x36:
454 
+        if( len >= 4 ) {
455 
+          memcpy( server, opt_ptr, 4 );
456 
+          have_server = 1;
457 
+        }
458 
+        break;
459 
+
460 
+    }
461 
+
462 
+    // skip option
463 
+    opt_ptr += len;
464 
+    opt_len -= len;
465 
+  }
466 
+
467 
+  debug_dhcp_printf( "type=%d%s%s%s%s", type,
468 
+                     have_mask ? " mask" : "",
469 
+                     have_gateway ? " gateway" : "",
470 
+                     have_time ? " time" : "",
471 
+                     have_server ? " server" : "" );
472 
+
473 
+  // fill in server from source address if not present
474 
+  if( ! have_server ) {
475 
+    ip_cpy( server, pDhcpPack->IpHdr.Src );
476 
+    have_server = 1;
477 
+  }
478 
+
479 
+  // process DHCP response
480 
+  switch( type ) {
481 
+
482 
+    // DHCP offer
483 
+    case 2:
484 
+      if( have_mask && have_gateway && have_time && have_server )
485 
+        DhcpOffer( pDhcpPack->DhcpHdr.YIAddr, mask, gateway, time, server );
486 
+      break;
487 
+
488 
+    // DHCP ack
489 
+    case 5:
490 
+      if( have_mask && have_gateway && have_time && have_server )
491 
+        DhcpAck( pDhcpPack->DhcpHdr.YIAddr, mask, gateway, time, server );
492 
+      break;
493 
+
494 
+  }
495 
+}
496 
+
firmware.dartboard/dhcp.h
View file @ e8658d5
... ... 
@@ -0,0 +1,51 @@
1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#ifndef INC_dhcp
9 
+#define INC_dhcp
10 
+
11 
+#include "ethernet.h"
12 
+#include "ip.h"
13 
+#include "udp.h"
14 
+
15 
+// header of an DHCP packet
16 
+struct DhcpHeader
17 
+{
18 
+  unsigned char Op;
19 
+  unsigned char HType;
20 
+  unsigned char HLen;
21 
+  unsigned char HOps;
22 
+  unsigned long XId;
23 
+  unsigned int Secs;
24 
+  unsigned int Flags;
25 
+  unsigned char CIAddr[4];
26 
+  unsigned char YIAddr[4];
27 
+  unsigned char SIAddr[4];
28 
+  unsigned char GIAddr[4];
29 
+  unsigned char CHAddr[16];
30 
+  unsigned char SName[64];
31 
+  unsigned char File[128];
32 
+  unsigned long MCookie;
33 
+};
34 
+
35 
+// a DHCP packet
36 
+struct DhcpPacket
37 
+{
38 
+  struct EthernetHeader EthHdr;
39 
+  struct IpHeader IpHdr;
40 
+  struct UdpHeader UdpHdr;
41 
+  struct DhcpHeader DhcpHdr;
42 
+};
43 
+
44 
+// tick procedure - call every 200ms
45 
+extern void DhcpTick200( void );
46 
+
47 
+// process a received UDP packet
48 
+extern void DhcpRecv( unsigned char * pData, unsigned short Length );
49 
+
50 
+#endif // #ifdef INC_dhcp
51 
+
firmware.dartboard/eeprom.c
View file @ e8658d5
... ... 
@@ -0,0 +1,217 @@
1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#include <avr/interrupt.h>
9 
+#include <avr/eeprom.h>
10 
+
11 
+#include "config.h"
12 
+#include "debug.h"
13 
+#include "eeprom.h"
14 
+#include "macros.h"
15 
+#include "rtl8019.h"
16 
+
17 
+// flags for what needs to be written to the EEPROM
18 
+unsigned char EepromNeedWrite = 0x00; // (extern)
19 
+
20 
+// writing what where
21 
+unsigned char EepromWriteFlags = 0; // some flags
22 
+#define EepromWriteFlagActive 0x01 // if writing something to EEPROM
23 
+#define EepromWriteFlagCheck 0x02 // if writing check byte to EEPROM
24 
+unsigned char * pEepromWriteSrc; // pointer to source data
25 
+unsigned short EepromWriteDestAddr; // destination address in EEPROM
26 
+unsigned char EepromWriteCnt; // number of bytes still to write
27 
+
28 
+// memory layout of EEPROM
29 
+// - every byte B is stored as B, ~B for data safety
30 
+// - so everythings needs double space
31 
+#define EEPROM_ADDR_MAC 0
32 
+#define EEPROM_ADDR_IP (EEPROM_ADDR_MAC + 2 * sizeof( ConfigMac ))
33 
+#define EEPROM_ADDR_MASK (EEPROM_ADDR_IP + 2 * sizeof( ConfigIp ))
34 
+#define EEPROM_ADDR_GW (EEPROM_ADDR_MASK + 2 * sizeof( ConfigMask ))
35 
+#define EEPROM_ADDR_S8P_PORT (EEPROM_ADDR_GW + 2 * sizeof( ConfigGw ))
36 
+#define EEPROM_ADDR_S8P_KEY (EEPROM_ADDR_S8P_PORT + 2 * sizeof( ConfigS8pPort ))
37 
+#define EEPROM_ADDR_HTTP_PORT (EEPROM_ADDR_S8P_KEY + 2 * sizeof( ConfigS8pKey ))
38 
+#define EEPROM_ADDR_DEF_OUT (EEPROM_ADDR_HTTP_PORT + 2 * sizeof( ConfigHttpPort ))
39 
+#define EEPROM_ADDR_FreeFromHere (EEPROM_ADDR_DEF_OUT + 2 * sizeof( ConfigDefOut ))
40 
+
41 
+// get configuration from EEPROM - helper function
42 
+// checks data in EEPROM
43 
+// gets data from EEPROM
44 
+// returns 0x00 if successful
45 
+static inline unsigned char EepromGetConfigHelp( unsigned short SrcAddr, unsigned char * pDest, unsigned char Len )
46 
+{
47 
+  unsigned char i, b;
48 
+
49 
+  // check data in EEPROM
50 
+  EEAR = SrcAddr;
51 
+  for( i = 0; i < Len; i++ )
52 
+  {
53 
+    // read byte
54 
+    bit_set( EECR, EERE );
55 
+    b = EEDR;
56 
+    EEAR++;
57 
+    // XOR in check byte
58 
+    bit_set( EECR, EERE );
59 
+    b ^= EEDR;
60 
+    EEAR++;
61 
+    // XOR result must be 0xFF
62 
+    if( b != 0xFF )
63 
+      return 0x01; // error
64 
+  }
65 
+
66 
+  // read data from EEPROM
67 
+  EEAR = SrcAddr;
68 
+  for( ; Len > 0; Len-- )
69 
+  {
70 
+    // read byte
71 
+    bit_set( EECR, EERE );
72 
+    *(pDest++) = EEDR;
73 
+    EEAR += 2; // skip check byte
74 
+  }
75 
+  return 0x00; // success
76 
+}
77 
+
78 
+// get configuration from EEPROM
79 
+void EepromGetConfig( void ) // (extern)
80 
+{
81 
+  // get MAC
82 
+  if( EepromGetConfigHelp( EEPROM_ADDR_MAC, ConfigMac, sizeof( ConfigMac ) ) == 0x00 )
83 
+    // re-initialize RTL8019
84 
+    RtlReinit( );
85 
+
86 
+  // get IP, subnet mask, gateway IP
87 
+  EepromGetConfigHelp( EEPROM_ADDR_IP, ConfigIp, sizeof( ConfigIp ) );
88 
+  EepromGetConfigHelp( EEPROM_ADDR_MASK, ConfigMask, sizeof( ConfigMask ) );
89 
+  EepromGetConfigHelp( EEPROM_ADDR_GW, ConfigGw, sizeof( ConfigGw ) );
90 
+
91 
+  // get port for S8P
92 
+  EepromGetConfigHelp( EEPROM_ADDR_S8P_PORT, (unsigned char *)&ConfigS8pPort, sizeof( ConfigS8pPort ) );
93 
+
94 
+  // get symmetric key for S8P
95 
+  EepromGetConfigHelp( EEPROM_ADDR_S8P_KEY, ConfigS8pKey, sizeof( ConfigS8pKey ) );
96 
+
97 
+  // get port for webserver
98 
+  EepromGetConfigHelp( EEPROM_ADDR_HTTP_PORT, (unsigned char *)&ConfigHttpPort, sizeof( ConfigHttpPort ) );
99 
+
100 
+  // get default output state
101 
+  EepromGetConfigHelp( EEPROM_ADDR_DEF_OUT, &ConfigDefOut, sizeof( ConfigDefOut ) );
102 
+}
103 
+
104 
+// task function to do the work - call from main loop
105 
+void EepromTask( void ) // (extern)
106 
+{
107 
+  // not writing something to EEPROM
108 
+  if( ! (EepromWriteFlags & EepromWriteFlagActive) )
109 
+  {
110 
+    // MAC needs to be written
111 
+    if( EepromNeedWrite & EepromNeedWriteMac )
112 
+    {
113 
+      EepromNeedWrite &= ~EepromNeedWriteMac;
114 
+      pEepromWriteSrc = ConfigMac;
115 
+      EepromWriteDestAddr = EEPROM_ADDR_MAC;
116 
+      EepromWriteCnt = sizeof( ConfigMac );
117 
+      EepromWriteFlags = EepromWriteFlagActive;
118 
+    }
119 
+    // IP needs to be written
120 
+    else if( EepromNeedWrite & EepromNeedWriteIp )
121 
+    {
122 
+      EepromNeedWrite &= ~EepromNeedWriteIp;
123 
+      pEepromWriteSrc = ConfigIp;
124 
+      EepromWriteDestAddr = EEPROM_ADDR_IP;
125 
+      EepromWriteCnt = sizeof( ConfigIp );
126 
+      EepromWriteFlags = EepromWriteFlagActive;
127 
+    }
128 
+    // subnet mask needs to be written
129 
+    else if( EepromNeedWrite & EepromNeedWriteMask )
130 
+    {
131 
+      EepromNeedWrite &= ~EepromNeedWriteMask;
132 
+      pEepromWriteSrc = ConfigMask;
133 
+      EepromWriteDestAddr = EEPROM_ADDR_MASK;
134 
+      EepromWriteCnt = sizeof( ConfigMask );
135 
+      EepromWriteFlags = EepromWriteFlagActive;
136 
+    }
137 
+    // gateway IP needs to be written
138 
+    else if( EepromNeedWrite & EepromNeedWriteGw )
139 
+    {
140 
+      EepromNeedWrite &= ~EepromNeedWriteGw;
141 
+      pEepromWriteSrc = ConfigGw;
142 
+      EepromWriteDestAddr = EEPROM_ADDR_GW;
143 
+      EepromWriteCnt = sizeof( ConfigGw );
144 
+      EepromWriteFlags = EepromWriteFlagActive;
145 
+    }
146 
+    // port for S8P needs to be written
147 
+    else if( EepromNeedWrite & EepromNeedWriteS8pPort )
148 
+    {
149 
+      EepromNeedWrite &= ~EepromNeedWriteS8pPort;
150 
+      pEepromWriteSrc = (unsigned char *)&ConfigS8pPort;
151 
+      EepromWriteDestAddr = EEPROM_ADDR_S8P_PORT;
152 
+      EepromWriteCnt = sizeof( ConfigS8pPort );
153 
+      EepromWriteFlags = EepromWriteFlagActive;
154 
+    }
155 
+    // symmetric key for S8P needs to be written
156 
+    else if( EepromNeedWrite & EepromNeedWriteS8pKey )
157 
+    {
158 
+      EepromNeedWrite &= ~EepromNeedWriteS8pKey;
159 
+      pEepromWriteSrc = ConfigS8pKey;
160 
+      EepromWriteDestAddr = EEPROM_ADDR_S8P_KEY;
161 
+      EepromWriteCnt = sizeof( ConfigS8pKey );
162 
+      EepromWriteFlags = EepromWriteFlagActive;
163 
+    }
164 
+    // port for webserver needs to be written
165 
+    else if( EepromNeedWrite & EepromNeedWriteHttpPort )
166 
+    {
167 
+      EepromNeedWrite &= ~EepromNeedWriteHttpPort;
168 
+      pEepromWriteSrc = (unsigned char *)&ConfigHttpPort;
169 
+      EepromWriteDestAddr = EEPROM_ADDR_HTTP_PORT;
170 
+      EepromWriteCnt = sizeof( ConfigHttpPort );
171 
+      EepromWriteFlags = EepromWriteFlagActive;
172 
+    }
173 
+    // if default output state needs to be written
174 
+    else if( EepromNeedWrite & EepromNeedWriteDefOut )
175 
+    {
176 
+      EepromNeedWrite &= ~EepromNeedWriteDefOut;
177 
+      pEepromWriteSrc = &ConfigDefOut;
178 
+      EepromWriteDestAddr = EEPROM_ADDR_DEF_OUT;
179 
+      EepromWriteCnt = sizeof( ConfigDefOut );
180 
+      EepromWriteFlags = EepromWriteFlagActive;
181 
+    }
182 
+    // nothing needs to be written
183 
+    else
184 
+      return;
185 
+
186 
+    debug_eeprom_printf( "write adr=0x%04X len=%u", EepromWriteDestAddr, EepromWriteCnt );
187 
+  }
188 
+
189 
+  // EEPROM still busy
190 
+  if( bit_is_set( EECR, EEWE ) )
191 
+    // try again later
192 
+    return;
193 
+
194 
+  // disable interrupts
195 
+  cli( );
196 
+
197 
+  // get address in EEPROM and data to write
198 
+  EEAR = EepromWriteDestAddr++;
199 
+  if( EepromWriteFlags & EepromWriteFlagCheck ) // check byte
200 
+  {
201 
+    EEDR = ~*(pEepromWriteSrc++); // invert and advance source pointer
202 
+    EepromWriteCnt--; // count down number of bytes to write
203 
+    if( EepromWriteCnt <= 0 ) // finished
204 
+      EepromWriteFlags &= ~EepromWriteFlagActive;
205 
+  }
206 
+  else // not check byte
207 
+    EEDR = *pEepromWriteSrc; // use data byte as it is
208 
+  EepromWriteFlags ^= EepromWriteFlagCheck; // toggle check byte bit
209 
+
210 
+  // initiate write to EEPROM
211 
+  bit_set( EECR, EEMWE );
212 
+  bit_set( EECR, EEWE );
213 
+
214 
+  // enable interrupts
215 
+  sei( );
216 
+}
217 
+
firmware.dartboard/eeprom.h
View file @ e8658d5
... ... 
@@ -0,0 +1,28 @@
1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#ifndef INC_eeprom
9 
+#define INC_eeprom
10 
+
11 
+// flags for what needs to be written to the EEPROM
12 
+#define EepromNeedWriteMac 0x01
13 
+#define EepromNeedWriteIp 0x02
14 
+#define EepromNeedWriteMask 0x04
15 
+#define EepromNeedWriteGw 0x08
16 
+#define EepromNeedWriteS8pPort 0x10
17 
+#define EepromNeedWriteS8pKey 0x20
18 
+#define EepromNeedWriteHttpPort 0x40
19 
+#define EepromNeedWriteDefOut 0x80
20 
+extern unsigned char EepromNeedWrite;
21 
+
22 
+// get configuration from EEPROM
23 
+extern void EepromGetConfig( void );
24 
+
25 
+// task function to do the work - call from main loop
26 
+extern void EepromTask( void );
27 
+
28 
+#endif // #ifndef INC_eeprom
firmware.dartboard/ethernet.c
View file @ e8658d5
... ... 
@@ -0,0 +1,74 @@
1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#include "arp.h"
9 
+#include "config.h"
10 
+#include "debug.h"
11 
+#include "ethernet.h"
12 
+#include "ip.h"
13 
+#include "macros.h"
14 
+#include "nethelp.h"
15 
+#include "rtl8019.h"
16 
+
17 
+// process a received ethernet packet
18 
+void EthernetRecv( unsigned char * pData, unsigned short Length ) // (extern)
19 
+{
20 
+  struct EthernetPacket * pEthPack;
21 
+
22 
+  // packet too short
23 
+  if( Length < sizeof( struct EthernetPacket ) )
24 
+    return;
25 
+
26 
+  // convert pointer to ethernet packet
27 
+  // (this saves us from always casting pData)
28 
+  pEthPack = (struct EthernetPacket *)pData;
29 
+
30 
+  debug_ether_printf( "recv len=%u type=0x%04X src=%02X:%02X:%02X:%02X:%02X:%02X",
31 
+                      Length, ntohs( pEthPack->EthHdr.Type ),
32 
+                      pEthPack->EthHdr.Src[0], pEthPack->EthHdr.Src[1], pEthPack->EthHdr.Src[2],
33 
+                      pEthPack->EthHdr.Src[3], pEthPack->EthHdr.Src[4], pEthPack->EthHdr.Src[5] );
34 
+
35 
+  // branch according to packet type
36 
+  switch( pEthPack->EthHdr.Type )
37 
+  {
38 
+    // ARP
39 
+    case htons( 0x0806 ):
40 
+      ArpRecv( pData, Length );
41 
+      break;
42 
+    // IP
43 
+    case htons( 0x0800 ):
44 
+      IpRecv( pData, Length );
45 
+      break;
46 
+  }
47 
+}
48 
+
49 
+// send an ethernet packet
50 
+// pData must point to a struct EthernetPacket with EthHdr.Dest and EthHdr.Type already initialized
51 
+void EthernetSend( unsigned char * pData, unsigned short Length ) // (extern)
52 
+{
53 
+  struct EthernetPacket * pEthPack;
54 
+
55 
+  // packet too short
56 
+  if( Length < sizeof( struct EthernetPacket ) )
57 
+    return;
58 
+
59 
+  // convert pointer to ethernet packet
60 
+  // (this saves us from always casting pData)
61 
+  pEthPack = (struct EthernetPacket *)pData;
62 
+
63 
+  debug_ether_printf( "send len=%u type=0x%04X dest=%02X:%02X:%02X:%02X:%02X:%02X",
64 
+                      Length, ntohs( pEthPack->EthHdr.Type ),
65 
+                      pEthPack->EthHdr.Dest[0], pEthPack->EthHdr.Dest[1], pEthPack->EthHdr.Dest[2],
66 
+                      pEthPack->EthHdr.Dest[3], pEthPack->EthHdr.Dest[4], pEthPack->EthHdr.Dest[5] );
67 
+
68 
+  // fill in source address
69 
+  mac_cpy( pEthPack->EthHdr.Src, ConfigMac );
70 
+
71 
+  // send packet
72 
+  RtlWriteFrame( (unsigned char *)pData, Length );
73 
+}
74 
+
firmware.dartboard/ethernet.h
View file @ e8658d5
... ... 
@@ -0,0 +1,33 @@
1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#ifndef INC_ethernet
9 
+#define INC_ethernet
10 
+
11 
+// header of an ethernet packet
12 
+struct EthernetHeader
13 
+{
14 
+  unsigned char Dest[6];
15 
+  unsigned char Src[6];
16 
+  unsigned short Type;
17 
+};
18 
+
19 
+// an ethernet packet
20 
+struct EthernetPacket
21 
+{
22 
+  struct EthernetHeader EthHdr;
23 
+};
24 
+
25 
+// process a received ethernet packet
26 
+extern void EthernetRecv( unsigned char * pData, unsigned short Length );
27 
+
28 
+// send an ethernet packet
29 
+// pData must point to a struct EthernetPacket with EthHdr.Dest and EthHdr.Type already initialized
30 
+extern void EthernetSend( unsigned char * pData, unsigned short Length );
31 
+
32 
+#endif // #ifdef INC_ethernet
33 
+
firmware.dartboard/http.c
View file @ e8658d5
... ... 
@@ -0,0 +1,579 @@
1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#include <string.h>
9 
+#include <avr/pgmspace.h>
10 
+
11 
+#include "dart.h"
12 
+#include "debug.h"
13 
+#include "http.h"
14 
+#include "macros.h"
15 
+#include "tcp.h"
16 
+
17 
+// receive states while parsing HTTP request
18 
+#define HTTP_RCV_CMD 0 // receiving HTTP command (e.g. GET)
19 
+#define HTTP_RCV_FILE 1 // receiving filename
20 
+#define HTTP_RCV_LEN 2 // receiving content length
21 
+#define HTTP_RCV_HDR_END 3 // receiving header until end
22 
+#define HTTP_RCV_DATA 4 // receiving post data
23 
+#define HTTP_RCV_DONE 5 // receiving completed
24 
+
25 
+// knwon HTTP commands
26 
+#define HTTP_CMD_UNKNOWN 0 // unknown HTTP command
27 
+#define HTTP_CMD_GET 1 // GET command
28 
+#define HTTP_CMD_POST 2 // POST command
29 
+
30 
+// files available using HTTP
31 
+#define HTTP_FILE_NOT_FOUND 0 // file not found file
32 
+#define HTTP_FILE_INDEX 1 // index file
33 
+#define HTTP_FILE_DART 10 // dartboard response, still waiting
34 
+#define HTTP_FILE_DART_NO 11 // dartboard response, no hit
35 
+#define HTTP_FILE_DART_1D 12 // dartboard response, 1 digit hit
36 
+#define HTTP_FILE_DART_2D 13 // dartboard response, 2 digit hit
37 
+
38 
+// maximum HTTP/SOAP timeout (must be less than TCP timeout)
39 
+#define HttpMaxTimeout 45
40 
+
41 
+// content of webpages and strings to fill in for variables
42 
+#include "http_content.inc"
43 
+
44 
+// table with HTTP connections
45 
+struct HttpConnection
46 
+{
47 
+  unsigned char ConnNo; // number of the TCP connection, 0xFF is unused
48 
+  unsigned long RcvCnt; // number of received bytes on connection
49 
+  unsigned char RcvState; // what is being received at the moment
50 
+  unsigned char RcvBuf[32]; // receive buffer
51 
+  unsigned char RcvBufLen; // length of data in receive buffer
52 
+  unsigned char Command; // the command the client issued
53 
+  char PreHttp1; // flag if a HTTP version before 1.0 is used
54 
+  unsigned char File; // the file the client requested
55 
+  unsigned long DataLen; // length of the data the client posts
56 
+  unsigned char DataTag; // flag if currently in a tag in HTTP request body
57 
+  unsigned long DataValue; // numeric value posted in HTTP request body
58 
+  uint16_t pSndData; // the data to send (progmem pointer)
59 
+  unsigned short SndDataLen; // the length of the data to send
60 
+  char Vars; // flag if to interpret variables
61 
+  unsigned char DartFactor; // factor hit on dart board to transmit
62 
+  unsigned char DartValue; // value hit on dart board to transmit
63 
+} HttpConns[4];
64 
+
65 
+// parse HTTP command
66 
+static void HttpParseCommand( struct HttpConnection * pConn )
67 
+{
68 
+  // GET command
69 
+  if( pConn->RcvBufLen == 3 && strncasecmp( (const char *)pConn->RcvBuf, "GET", 3 ) == 0 )
70 
+    pConn->Command = HTTP_CMD_GET;
71 
+  // POST command
72 
+  else if( pConn->RcvBufLen == 4 && strncasecmp( (const char *)pConn->RcvBuf, "POST", 4 ) == 0 )
73 
+  {
74 
+    pConn->Command = HTTP_CMD_POST;
75 
+    pConn->DataLen = 0;
76 
+  }
77 
+  // unknown command is the default
78 
+  else
79 
+    pConn->Command = HTTP_CMD_UNKNOWN;
80 
+}
81 
+
82 
+// parse HTTP file
83 
+static void HttpParseFile( struct HttpConnection * pConn )
84 
+{
85 
+  // index file
86 
+  if( (pConn->RcvBufLen == 1 && strncasecmp( (const char *)pConn->RcvBuf, "/", 1 ) == 0) ||
87 
+      (pConn->RcvBufLen == 2 && strncasecmp( (const char *)pConn->RcvBuf, "/i", 2 ) == 0) )
88 
+    pConn->File = HTTP_FILE_INDEX;
89 
+  // dartboard response
90 
+  else if( pConn->RcvBufLen == 5 && strncasecmp( (const char *)pConn->RcvBuf, "/dart", 5 ) == 0 )
91 
+    pConn->File = HTTP_FILE_DART;
92 
+  // error file is the default
93 
+  else
94 
+    pConn->File = HTTP_FILE_NOT_FOUND;
95 
+}
96 
+
97 
+// process HTTP request
98 
+static void HttpProcessRequest( struct HttpConnection * pConn )
99 
+{
100 
+  // different commands
101 
+  switch( pConn->Command )
102 
+  {
103 
+
104 
+    case HTTP_CMD_GET:
105 
+    case HTTP_CMD_POST:
106 
+
107 
+      // different files
108 
+      switch( pConn->File )
109 
+      {
110 
+
111 
+        case HTTP_FILE_INDEX:
112 
+          if( pConn->PreHttp1 )
113 
+          {
114 
+            pConn->pSndData = (uint16_t)HttpIndex + HttpIndexHeaderSize;
115 
+            pConn->SndDataLen = sizeof( HttpIndex ) - 1 - HttpIndexHeaderSize;
116 
+          }
117 
+          else
118 
+          {
119 
+            pConn->pSndData = (uint16_t)HttpIndex;
120 
+            pConn->SndDataLen = sizeof( HttpIndex ) - 1;
121 
+          }
122 
+          pConn->Vars = 0;
123 
+          break;
124 
+
125 
+        case HTTP_FILE_DART_NO:
126 
+          if( pConn->PreHttp1 )
127 
+          {
128 
+            pConn->pSndData = (uint16_t)HttpDartNo + HttpDartNoHeaderSize;
129 
+            pConn->SndDataLen = sizeof( HttpDartNo ) - 1 - HttpDartNoHeaderSize;
130 
+          }
131 
+          else
132 
+          {
133 
+            pConn->pSndData = (uint16_t)HttpDartNo;
134 
+            pConn->SndDataLen = sizeof( HttpDartNo ) - 1;
135 
+          }
136 
+          pConn->Vars = 1;
137 
+          break;
138 
+
139 
+        case HTTP_FILE_DART_1D:
140 
+          if( pConn->PreHttp1 )
141 
+          {
142 
+            pConn->pSndData = (uint16_t)HttpDart1d + HttpDart1dHeaderSize;
143 
+            pConn->SndDataLen = sizeof( HttpDart1d ) - 1 - HttpDart1dHeaderSize;
144 
+          }
145 
+          else
146 
+          {
147 
+            pConn->pSndData = (uint16_t)HttpDart1d;
148 
+            pConn->SndDataLen = sizeof( HttpDart1d ) - 1;
149 
+          }
150 
+          pConn->Vars = 1;
151 
+          break;
152 
+
153 
+        case HTTP_FILE_DART_2D:
154 
+          if( pConn->PreHttp1 )
155 
+          {
156 
+            pConn->pSndData = (uint16_t)HttpDart2d + HttpDart2dHeaderSize;
157 
+            pConn->SndDataLen = sizeof( HttpDart2d ) - 1 - HttpDart2dHeaderSize;
158 
+          }
159 
+          else
160 
+          {
161 
+            pConn->pSndData = (uint16_t)HttpDart2d;
162 
+            pConn->SndDataLen = sizeof( HttpDart2d ) - 1;
163 
+          }
164 
+          pConn->Vars = 1;
165 
+          break;
166 
+
167 
+        case HTTP_FILE_NOT_FOUND:
168 
+        default:
169 
+          if( pConn->PreHttp1 )
170 
+          {
171 
+            pConn->pSndData = (uint16_t)HttpNotFound + HttpNotFoundHeaderSize;
172 
+            pConn->SndDataLen = sizeof( HttpNotFound ) - 1 - HttpNotFoundHeaderSize;
173 
+          }
174 
+          else
175 
+          {
176 
+            pConn->pSndData = (uint16_t)HttpNotFound;
177 
+            pConn->SndDataLen = sizeof( HttpNotFound ) - 1;
178 
+          }
179 
+          pConn->Vars = 0;
180 
+
181 
+      } // switch( pConn->File )
182 
+      break;
183 
+
184 
+    case HTTP_CMD_UNKNOWN:
185 
+    default:
186 
+      if( pConn->PreHttp1 )
187 
+      {
188 
+        pConn->pSndData = (uint16_t)HttpBadRequest + HttpBadRequestHeaderSize;
189 
+        pConn->SndDataLen = sizeof( HttpBadRequest ) - 1 - HttpBadRequestHeaderSize;
190 
+      }
191 
+      else
192 
+      {
193 
+        pConn->pSndData = (uint16_t)HttpBadRequest;
194 
+        pConn->SndDataLen = sizeof( HttpBadRequest ) - 1;
195 
+      }
196 
+      pConn->Vars = 0;
197 
+
198 
+  } // switch( pConn->Command )
199 
+}
200 
+
201 
+// called when connection is established
202 
+void HttpConnect( unsigned char ConnNo )
203 
+{
204 
+  unsigned char i;
205 
+  struct HttpConnection * pConn;
206 
+
207 
+  // find connection in table (in case TCP calls us twice, this should never happen)
208 
+  for( i = 0; i < count( HttpConns ); i++ )
209 
+    if( HttpConns[i].ConnNo == ConnNo )
210 
+      break;
211 
+  // connection not found
212 
+  if( i >= count( HttpConns ) )
213 
+  {
214 
+    // find a free entry
215 
+    for( i = 0; i < count( HttpConns ); i++ )
216 
+      if( HttpConns[i].ConnNo == 0xFF )
217 
+        break;
218 
+    if( i >= count( HttpConns ) ) // no free entry found
219 
+      return; // ignore this connection (will be closed in first call of HttpSend)
220 
+  }
221 
+  // get pointer to connection
222 
+  pConn = &HttpConns[i];
223 
+
224 
+  debug_http_printf( "accept no=%u", ConnNo );
225 
+
226 
+  // put new connection into table
227 
+  pConn->ConnNo = ConnNo;
228 
+  pConn->RcvCnt = 0;
229 
+  pConn->RcvState = HTTP_RCV_CMD;
230 
+  pConn->RcvBufLen = 0;
231 
+}
232 
+
233 
+// called when connection is closed / reset
234 
+// (after this, the connection number may not be used any more)
235 
+void HttpClose( unsigned char ConnNo )
236 
+{
237 
+  unsigned char i;
238 
+  struct HttpConnection * pConn;
239 
+
240 
+  // find connection in table
241 
+  for( i = 0; i < count( HttpConns ); i++ )
242 
+    if( HttpConns[i].ConnNo == ConnNo )
243 
+      break;
244 
+  if( i >= count( HttpConns ) ) // connection not found
245 
+    return; // ignore this (now already closed) connection
246 
+  // get pointer to connection
247 
+  pConn = &HttpConns[i];
248 
+
249 
+  debug_http_printf( "close no=%u", ConnNo );
250 
+
251 
+  // drop connection from table
252 
+  pConn->ConnNo = 0xFF;
253 
+}
254 
+
255 
+// called when sending data is possible
256 
+// (return length of available data, 0xFFFF to close connection)
257 
+unsigned short HttpSend( unsigned char ConnNo, unsigned long Pos, unsigned char * pBuffer, unsigned short MaxLen )
258 
+{
259 
+  unsigned char i;
260 
+  struct HttpConnection * pConn;
261 
+  unsigned short len, j;
262 
+  uint16_t src; // progmem pointer
263 
+  char chr, * dest;
264 
+
265 
+  // find connection in table
266 
+  for( i = 0; i < count( HttpConns ); i++ )
267 
+    if( HttpConns[i].ConnNo == ConnNo )
268 
+      break;
269 
+  if( i >= count( HttpConns ) ) // connection not found
270 
+    return 0xFFFF; // close connection
271 
+  // get pointer to connection
272 
+  pConn = &HttpConns[i];
273 
+
274 
+  // not done with receiving
275 
+  if( pConn->RcvState != HTTP_RCV_DONE )
276 
+    return 0; // do not send anything yet
277 
+
278 
+  // still waiting for dartboard
279 
+  if( pConn->File == HTTP_FILE_DART )
280 
+    return 0; // do not send anything yet
281 
+
282 
+  // at or behind end of data
283 
+  if( Pos >= (unsigned long)pConn->SndDataLen )
284 
+    return 0xFFFF; // request to close connection
285 
+
286 
+  // get number of bytes to send
287 
+  len = min( pConn->SndDataLen - (unsigned short)Pos, MaxLen );
288 
+  if( len == 0 ) // nothing to send
289 
+    return 0;
290 
+
291 
+  // copy data to buffer
292 
+  src = pConn->pSndData + (uint16_t)Pos;
293 
+  dest = (char *)pBuffer;
294 
+  for( j = 0; j < len; j++ )
295 
+  {
296 
+    // read current character
297 
+    chr = (char)pgm_read_byte_near( src );
298 
+    // variable
299 
+    if( pConn->Vars && (unsigned char)chr >= 0x80 )
300 
+    {
301 
+      switch( chr ) {
302 
+        case 0x80: chr = pConn->DartFactor + '0'; break;
303 
+        case 0x90: chr = pConn->DartValue % 10 + '0'; break;
304 
+        case 0x91: chr = pConn->DartValue / 10 + '0'; break;
305 
+        default: chr = ' '; break;
306 
+      }
307 
+    }
308 
+    *dest = chr; // copy character
309 
+    // next character
310 
+    src++;
311 
+    dest++;
312 
+  } // for( j ...
313 
+
314 
+  // return length of data in buffer
315 
+  debug_http_printf( "send no=%u pos=%lu len=%u", ConnNo, Pos, len );
316 
+  return len;
317 
+}
318 
+
319 
+// called when data was sent and ACKed
320 
+void HttpSent( unsigned char ConnNo, unsigned long Pos )
321 
+{
322 
+  // nothing needs to be done here
323 
+}
324 
+
325 
+// called when data was received
326 
+// must return new window size (not smaller than curWnd)
327 
+unsigned short HttpReceived( unsigned char ConnNo, unsigned long Pos, unsigned char * pBuffer, unsigned short Len, unsigned short curWnd )
328 
+{
329 
+  unsigned char i;
330 
+  struct HttpConnection * pConn;
331 
+
332 
+  // find connection in table
333 
+  for( i = 0; i < count( HttpConns ); i++ )
334 
+    if( HttpConns[i].ConnNo == ConnNo )
335 
+      break;
336 
+  if( i >= count( HttpConns ) ) // connection not found
337 
+    return max( curWnd, 256 ); // ignore this connection (will be closed in first call of HttpSend)
338 
+  // get pointer to connection
339 
+  pConn = &HttpConns[i];
340 
+
341 
+  // received duplicate data or missed some data
342 
+  // (just to be on the safe side, this should never happen)
343 
+  if( pConn->RcvCnt != Pos )
344 
+  {
345 
+    // close connection
346 
+    TcpClose( pConn->ConnNo );
347 
+    pConn->ConnNo = 0xFF;
348 
+    return max( curWnd, 256 );
349 
+  }
350 
+
351 
+  // process received data
352 
+  for( ; Len > 0; pBuffer++, Len--, pConn->RcvCnt++ )
353 
+  {
354 
+    // store character in receive buffer (if it fits into it)
355 
+    if( pConn->RcvBufLen < sizeof( pConn->RcvBuf ) )
356 
+    {
357 
+      pConn->RcvBuf[pConn->RcvBufLen] = *pBuffer;
358 
+      pConn->RcvBufLen++;
359 
+    }
360 
+
361 
+    // actions according to state
362 
+    switch( pConn->RcvState )
363 
+    {
364 
+
365 
+      // receiving HTTP command (e.g GET)
366 
+      case HTTP_RCV_CMD:
367 
+        if( *pBuffer == '\r' || *pBuffer == '\n' ) // newline
368 
+        {
369 
+          pConn->RcvBufLen--; // remove newline from buffer
370 
+          HttpParseCommand( pConn ); // parse command
371 
+          pConn->PreHttp1 = 1; // older than HTTP 1.0
372 
+          pConn->File = HTTP_FILE_INDEX; // send index file
373 
+          pConn->RcvState = HTTP_RCV_DONE; // receiving completed
374 
+          debug_http_printf( "pre1+end no=%u", pConn->ConnNo );
375 
+          pConn->RcvBufLen = 0; // empty receive buffer
376 
+          HttpProcessRequest( pConn ); // now process request
377 
+        }
378 
+        else if( *pBuffer == ' ' || *pBuffer == '\t' ) // whitespace
379 
+        {
380 
+          pConn->RcvBufLen--; // remove whitespace from buffer
381 
+          HttpParseCommand( pConn ); // parse command
382 
+          pConn->RcvState = HTTP_RCV_FILE; // now receive filename
383 
+          debug_http_printf( "cmd no=%u cmd=%u", pConn->ConnNo, pConn->Command );
384 
+          pConn->RcvBufLen = 0; // empty receive buffer
385 
+        }
386 
+        break;
387 
+
388 
+      // receiving filename
389 
+      case HTTP_RCV_FILE:
390 
+        if( *pBuffer == '\r' || *pBuffer == '\n' ) // newline
391 
+        {
392 
+          pConn->RcvBufLen--; // remove newline from buffer
393 
+          HttpParseFile( pConn ); // parse file
394 
+          pConn->PreHttp1 = 1; // older than HTTP 1.0
395 
+          pConn->RcvState = HTTP_RCV_DONE; // receiving completed
396 
+          debug_http_printf( "file+end no=%u file=%u", pConn->ConnNo, pConn->File );
397 
+          pConn->RcvBufLen = 0; // empty receive buffer
398 
+          HttpProcessRequest( pConn ); // now process request
399 
+        }
400 
+        else if( *pBuffer == ' ' || *pBuffer == '\t' ) // whitespace
401 
+        {
402 
+          pConn->RcvBufLen--; // remove whitespace from buffer
403 
+          HttpParseFile( pConn ); // parse file
404 
+          pConn->PreHttp1 = 0; // HTTP 1.0 or newer
405 
+          if( pConn->Command == HTTP_CMD_POST )
406 
+            pConn->RcvState = HTTP_RCV_LEN; // now receive content length
407 
+          else
408 
+            pConn->RcvState = HTTP_RCV_HDR_END; // now receive header until end
409 
+          debug_http_printf( "file no=%u file=%u", pConn->ConnNo, pConn->File );
410 
+          pConn->RcvBufLen = 0; // empty receive buffer
411 
+        }
412 
+        break;
413 
+
414 
+      // receiving content length
415 
+      case HTTP_RCV_LEN:
416 
+        if( *pBuffer == '\n' || *pBuffer == '\r' ) // newline
417 
+        {
418 
+          pConn->RcvBuf[pConn->RcvBufLen-1] = 0;
419 
+          // content length line
420 
+          if( pConn->RcvBufLen >= 15 && memcmp( pConn->RcvBuf, "content-length:", 15 ) == 0 )
421 
+          {
422 
+            for( i = 15; i < pConn->RcvBufLen; i++ )
423 
+              if( pConn->RcvBuf[i] >= '0' && pConn->RcvBuf[i] <= '9' )
424 
+                pConn->DataLen = pConn->DataLen * 10 + pConn->RcvBuf[i] - '0';
425 
+            debug_http_printf( "data len %lu", pConn->DataLen );
426 
+            pConn->RcvState = HTTP_RCV_HDR_END; // now receive header until end
427 
+          }
428 
+          // empty receive buffer
429 
+          pConn->RcvBufLen = 0;
430 
+          // re-insert newline if now receiving header until end
431 
+          if( pConn->RcvState == HTTP_RCV_HDR_END )
432 
+            pConn->RcvBuf[pConn->RcvBufLen++] = *pBuffer;
433 
+        }
434 
+        else if( *pBuffer >= 'A' && *pBuffer <= 'Z' ) // capital letter
435 
+        {
436 
+          pConn->RcvBuf[pConn->RcvBufLen - 1] |= 0x20; // convert to lower case
437 
+        }
438 
+        break;
439 
+
440 
+      // receiving header until end
441 
+      case HTTP_RCV_HDR_END:
442 
+        if( *pBuffer != '\r' && *pBuffer != '\n' ) // not a newline
443 
+        {
444 
+          pConn->RcvBufLen = 0; // empty receive buffer
445 
+          break;
446 
+        }
447 
+        if( (pConn->RcvBufLen == 2 && memcmp( pConn->RcvBuf, "\r\r", 2 ) == 0) || // CR CR
448 
+            (pConn->RcvBufLen == 2 && memcmp( pConn->RcvBuf, "\n\n", 2 ) == 0) || // LF LF
449 
+            (pConn->RcvBufLen == 3 && memcmp( pConn->RcvBuf, "\r\n\n", 3 ) == 0) || // CR LF LF
450 
+            (pConn->RcvBufLen == 3 && memcmp( pConn->RcvBuf, "\n\r\n", 3 ) == 0) || // LF CR LF
451 
+            pConn->RcvBufLen == 4 ) // CR LF CR LF (or some other combination of 4 times CR or LF)
452 
+        {
453 
+          if( pConn->Command == HTTP_CMD_POST && pConn->DataLen > 0 )
454 
+          {
455 
+            pConn->RcvState = HTTP_RCV_DATA; // now receive post data
456 
+            pConn->DataTag = 0; // not in a tag
457 
+            pConn->DataValue = 0; // no value yet
458 
+          }
459 
+          else
460 
+            pConn->RcvState = HTTP_RCV_DONE; // receiving completed
461 
+          debug_http_printf( "end no=%u", pConn->ConnNo );
462 
+          pConn->RcvBufLen = 0; // empty receive buffer
463 
+          HttpProcessRequest( pConn ); // now process request
464 
+        }
465 
+        break;
466 
+
467 
+      // receiving post data
468 
+      case HTTP_RCV_DATA:
469 
+        pConn->RcvBufLen = 0; // ignore any data in receive buffer
470 
+        // process data byte for byte
471 
+        if( pConn->DataTag ) { // in a tag
472 
+          if( *pBuffer == '>' ) // end of tag
473 
+            pConn->DataTag = 0;
474 
+        } else { // not in a tag
475 
+          if( *pBuffer == '<' ) // start of tag
476 
+            pConn->DataTag = 1;
477 
+          if( *pBuffer >= '0' && *pBuffer <= '9' ) // a digit
478 
+            pConn->DataValue = pConn->DataValue * 10 + *pBuffer - '0'; // collect digits
479 
+        }
480 
+        // count down number of bytes to receive
481 
+        if( pConn->DataLen > 0 )
482 
+          pConn->DataLen--;
483 
+        if( pConn->DataLen <= 0 ) {
484 
+          debug_http_printf( "data value %lu", pConn->DataValue );
485 
+          if( pConn->DataValue > HttpMaxTimeout ) // limit timeout (must be less than TCP timeout)
486 
+            pConn->DataValue = HttpMaxTimeout;
487 
+          pConn->DataValue *= 5; // convert from seconds to ticks
488 
+          pConn->RcvState = HTTP_RCV_DONE; // receiving completed
489 
+        }
490 
+        break;
491 
+
492 
+      // receiving completed
493 
+      case HTTP_RCV_DONE:
494 
+        pConn->RcvBufLen = 0; // ignore any additional data
495 
+        break;
496 
+
497 
+    } // switch( pConn->RcvState )
498 
+  } // for( ; Len > 0; pBuffer++, Len--, pConn->RcvCnt++ )
499 
+
500 
+  // return at least 256 bytes window size
501 
+  // - we are always able to receive data
502 
+  return max( curWnd, 256 );
503 
+}
504 
+
505 
+// http notification functions
506 
+struct TcpNotify HttpNotify = // (extern)
507 
+{
508 
+  .Connect = HttpConnect,
509 
+  .Close = HttpClose,
510 
+  .Send = HttpSend,
511 
+  .Sent = HttpSent,
512 
+  .Received = HttpReceived,
513 
+};
514 
+
515 
+// initialize
516 
+void HttpInit( void ) // (extern)
517 
+{
518 
+  unsigned char i;
519 
+
520 
+  // no HTTP connections yet
521 
+  for( i = 0; i < count( HttpConns ); i++ )
522 
+    HttpConns[i].ConnNo = 0xFF;
523 
+}
524 
+
525 
+// http tick procedure - call every 200ms
526 
+void HttpTick200( void ) // (extern)
527 
+{
528 
+  unsigned char i, factor, value;
529 
+
530 
+  // process all HTTP connections
531 
+  for( i = 0; i < count( HttpConns ); i++ ) {
532 
+    struct HttpConnection * pConn = &HttpConns[i];
533 
+
534 
+    // connection in use and waiting for dart
535 
+    if( pConn->ConnNo != 0xFF &&
536 
+        pConn->RcvState == HTTP_RCV_DONE &&
537 
+        pConn->File == HTTP_FILE_DART ) {
538 
+
539 
+        // poll dart
540 
+        DartPoll( &factor, &value );
541 
+
542 
+        // 2 digit field hit
543 
+        if( factor > 0 && value >= 10 ) {
544 
+          pConn->DartFactor = factor;
545 
+          pConn->DartValue = value;
546 
+          pConn->File = HTTP_FILE_DART_2D;
547 
+          HttpProcessRequest( pConn ); // re-process request
548 
+          TcpSend( pConn->ConnNo ); // data to send is available now
549 
+        }
550 
+
551 
+        // 1 digit field hit
552 
+        else if( factor > 0 && value > 0 ) {
553 
+          pConn->DartFactor = factor;
554 
+          pConn->DartValue = value;
555 
+          pConn->File = HTTP_FILE_DART_1D;
556 
+          HttpProcessRequest( pConn ); // re-process request
557 
+          TcpSend( pConn->ConnNo ); // data to send is available now
558 
+        }
559 
+
560 
+        // no field hit
561 
+        else {
562 
+          // no timeout yet ---> count down time
563 
+          if( pConn->DataValue > 0 ) {
564 
+            pConn->DataValue--;
565 
+          }
566 
+          // timeout
567 
+          else {
568 
+            pConn->DartFactor = 0;
569 
+            pConn->DartValue = 0;
570 
+            pConn->File = HTTP_FILE_DART_NO;
571 
+            HttpProcessRequest( pConn ); // re-process request
572 
+            TcpSend( pConn->ConnNo ); // data to send is available now
573 
+          }
574 
+        }
575 
+
576 
+    } // in use
577 
+  } // for( i ...
578 
+}
579 
+
firmware.dartboard/http.h
View file @ e8658d5
... ... 
@@ -0,0 +1,23 @@
1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#ifndef INC_http
9 
+#define INC_http
10 
+
11 
+#include "tcp.h"
12 
+
13 
+// initialize
14 
+extern void HttpInit( void );
15 
+
16 
+// http notification functions
17 
+extern struct TcpNotify HttpNotify;
18 
+
19 
+// http tick procedure - call every 200ms
20 
+extern void HttpTick200( void );
21 
+
22 
+#endif // #ifdef INC_http
23 
+
firmware.dartboard/http_content.pl
View file @ e8658d5
... ... 
@@ -0,0 +1,221 @@
1 
+#! /usr/bin/perl
2 
+
3 
+# flaneth - flash and ethernet - dartboard mod
4 
+# version 0.1 date 2008-11-09
5 
+# Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
6 
+# Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
7 
+# a BlinkenArea project - http://www.blinkenarea.org/
8 
+
9 
+use strict;
10 
+
11 
+my $VERSION="version 0.1 date 2008-11-09";
12 
+
13 
+
14 
+
15 
+die( "usage: $0 <http_dir> <http_content.inc>\n" ) if( @ARGV < 2 );
16 
+
17 
+my $dir = @ARGV[0];
18 
+my $output = @ARGV[1];
19 
+
20 
+
21 
+
22 
+# maximum
23 
+# usage: $m = max( $a, $b )
24 
+sub max
25 
+{
26 
+  my $a = shift;
27 
+  my $b = shift;
28 
+  return $a > $b ? $a : $b;
29 
+}
30 
+
31 
+
32 
+
33 
+# convert a character to a string
34 
+# usage: $txt = chr2str( $ascii_code, $cnt )
35 
+sub chr2str
36 
+{
37 
+  my $ascii_code = shift;
38 
+  my $cnt = shift;
39 
+
40 
+  my $txt = "";
41 
+
42 
+  for( ; $cnt > 0; $cnt-- ) {
43 
+    $txt .= pack( "C", $ascii_code );
44 
+  }
45 
+
46 
+  return $txt;
47 
+}
48 
+
49 
+
50 
+
51 
+# c string escaping
52 
+# usage: $escaped = str_esc( $txt )
53 
+sub str_esc
54 
+{
55 
+  my $txt = shift;
56 
+
57 
+  my $escaped = "";
58 
+  for( my $i = 0; $i < length( $txt ); $i++ ) {
59 
+    my $chr = substr( $txt, $i, 1 );
60 
+    if( $chr eq '\\' ) {
61 
+      $escaped .= "\\\\";
62 
+    } elsif( $chr eq '"' ) {
63 
+      $escaped .= "\\\"";
64 
+    } elsif( $chr eq "\t" ) {
65 
+      $escaped .= "\\t";
66 
+    } elsif( $chr eq "\r" ) {
67 
+      $escaped .= "\\r";
68 
+    } elsif( $chr eq "\n" ) {
69 
+      $escaped .= "\\n";
70 
+    } elsif( $chr ge ' ' && $chr le '~' ) {
71 
+      $escaped .= $chr;
72 
+    } else {
73 
+      $escaped .= sprintf( "\\x%02X", unpack( "C", $chr ) );
74 
+    }
75 
+  }
76 
+
77 
+  return $escaped;
78 
+}
79 
+
80 
+
81 
+
82 
+# replace variables
83 
+# usage: $line_replaced = var_replace( $line )
84 
+sub var_replace
85 
+{
86 
+  my $line = shift;
87 
+
88 
+  my $var;
89 
+  $line =~ s/__VERSION__/$VERSION/g;
90 
+  $var = chr2str( 0x80, 1 );
91 
+  $line =~ s/__FACTOR__/$var/g;
92 
+  $var = chr2str( 0x90, 1 );
93 
+  $line =~ s/__VALUE_L__/$var/g;
94 
+  $var = chr2str( 0x91, 1 );
95 
+  $line =~ s/__VALUE_H__/$var/g;
96 
+
97 
+  return $line;
98 
+}
99 
+
100 
+
101 
+
102 
+# get file size
103 
+# usage: $size = file_size( $filename )
104 
+sub file_size
105 
+{
106 
+  my $filename = shift;
107 
+
108 
+  my @info = stat( $filename );
109 
+
110 
+  return @info[7] if( @info > 7 ); # @info[7] is the size (see documentation of stat)
111 
+
112 
+  return 0;
113 
+}
114 
+
115 
+
116 
+
117 
+# convert a text file to c code
118 
+# usage: ($code, $len) = textfile2code( $filename )
119 
+sub textfile2code
120 
+{
121 
+  my $filename = shift;
122 
+
123 
+  my $txt = "";
124 
+  my $len = 0;
125 
+
126 
+  open( TEXTFILE, "<$filename" ) or die ( "cannot open \"$filename\" for reading: $!\n" );
127 
+
128 
+  my $line;
129 
+  while( $line = <TEXTFILE> ) {
130 
+    $line = var_replace( $line );
131 
+    $txt .= "\"" . str_esc( $line ) . "\"\n";
132 
+    $len += length( $line );
133 
+  }
134 
+
135 
+
136 
+  close( TEXTFILE );
137 
+
138 
+  return ($txt, $len);
139 
+}
140 
+
141 
+
142 
+
143 
+# convert a binary file to c code
144 
+# usage: ($code, $len) = binfile2code( $filename )
145 
+sub binfile2code
146 
+{
147 
+  my $filename = shift;
148 
+
149 
+  my $txt = "";
150 
+  my $len = 0;
151 
+
152 
+  open( BINFILE, "<$filename" ) or die ( "cannot open \"$filename\" for reading: $!\n" );
153 
+  binmode( BINFILE );
154 
+
155 
+  my $val;
156 
+  while( 1 ) {
157 
+    $txt.= "\"";
158 
+    my $i;
159 
+    for( $i = 0; $i < 0x10; $i++ ) {
160 
+      read( BINFILE, $val, 1 ) or last;
161 
+      $txt .= sprintf( "\\x%02X", unpack( "C", $val ) );
162 
+      $len++;
163 
+    }
164 
+    $txt .= "\"\n";
165 
+    last if( $i < 0x10 );
166 
+  }
167 
+
168 
+  close( BINFILE );
169 
+
170 
+  return ($txt, $len);
171 
+}
172 
+
173 
+
174 
+
175 
+# generate page
176 
+# usage: $page = gen_page( $ret, $file, $name, $ctype, $bin )
177 
+sub gen_page
178 
+{
179 
+  my $ret = shift;
180 
+  my $file = shift;
181 
+  my $name = shift;
182 
+  my $ctype = shift;
183 
+  my $bin = shift;
184 
+
185 
+  my ($code, $len);
186 
+  if( $bin ) {
187 
+    ($code, $len) = binfile2code( $file );
188 
+  } else {
189 
+    ($code, $len) = textfile2code( $file );
190 
+  }
191 
+
192 
+  my $header =
193 
+    "const char PROGMEM Http${name}[] =\n" .
194 
+    "\"HTTP/1.0 $ret\\r\\n\"\n" .
195 
+    "\"Server: flaneth (ATMEGA128) by blinkenarea.org\\r\\n\"\n" .
196 
+    "\"Connection: close\\r\\n\"\n" .
197 
+    "\"Content-Type: $ctype\\r\\n\"\n" .
198 
+    "\"Content-Length: $len\\r\\n\"\n" .
199 
+    "\"\\r\\n\"\n";
200 
+  my $hlen = length( $header );
201 
+
202 
+  return "#define Http${name}HeaderSize $hlen\n$header$code;\n\n"
203 
+}
204 
+
205 
+open( OUTPUT, ">", "$output" ) or die( "cannot open \"$output\" for writing: $!\n" );
206 
+
207 
+print OUTPUT <<EOF;
208 
+//content for webpages
209 
+// - characters from 0x80..0xFF indicate a 1 character variable
210 
+
211 
+EOF
212 
+
213 
+print( OUTPUT gen_page( "400 Bad Request", "$dir/bad_request.html", "BadRequest", "text/html", 0 ) );
214 
+print( OUTPUT gen_page( "404 Not Found", "$dir/not_found.html", "NotFound", "text/html", 0 ) );
215 
+print( OUTPUT gen_page( "200 Ok", "$dir/index.html", "Index", "text/html", 0 ) );
216 
+print( OUTPUT gen_page( "200 Ok", "$dir/dart_no.xml", "DartNo", "text/xml", 0 ) );
217 
+print( OUTPUT gen_page( "200 Ok", "$dir/dart_1d.xml", "Dart1d", "text/xml", 0 ) );
218 
+print( OUTPUT gen_page( "200 Ok", "$dir/dart_2d.xml", "Dart2d", "text/xml", 0 ) );
219 
+
220 
+close( OUTPUT );
221 
+
firmware.dartboard/http_simple/bad_request.html
View file @ e8658d5
... ... 
@@ -0,0 +1,9 @@
1 
+<html>
2 
+  <head><title>flaneth - 400 Bad Request</title></head>
3 
+  <body>
4 
+    <h1>flaneth - 400 Bad Request</h1>
5 
+    Your browser sent a request that this server could not understand.<br>
6 
+    <br><br>
7 
+    flaneth - __VERSION__
8 
+  </body>
9 
+</html>
firmware.dartboard/http_simple/dart_1d.xml
View file @ e8658d5
... ... 
@@ -0,0 +1,10 @@
1 
+<soap:Envelope
2 
+    xmlns:soap="http://www.w3.org/2001/12/soap-envelope/"
3 
+    soap:encodingStyle="http://www.w3.org/2001/12/soap-encoding">
4 
+  <soap:Body xmlns="http://stefan.blinkenarea.org/flaneth/dartboard-mod/soap">
5 
+    <GetHitResponse>
6 
+      <factor>__FACTOR__</factor>
7 
+      <value>__VALUE_L__</value>
8 
+    </GetHitResponse>
9 
+  </soap:Body>
10 
+</soap:Envelope>
firmware.dartboard/http_simple/dart_2d.xml
View file @ e8658d5
... ... 
@@ -0,0 +1,10 @@
1 
+<soap:Envelope
2 
+    xmlns:soap="http://www.w3.org/2001/12/soap-envelope/"
3 
+    soap:encodingStyle="http://www.w3.org/2001/12/soap-encoding">
4 
+  <soap:Body xmlns="http://stefan.blinkenarea.org/flaneth/dartboard-mod/soap">
5 
+    <GetHitResponse>
6 
+      <factor>__FACTOR__</factor>
7 
+      <value>__VALUE_H____VALUE_L__</value>
8 
+    </GetHitResponse>
9 
+  </soap:Body>
10 
+</soap:Envelope>
firmware.dartboard/http_simple/dart_no.xml
View file @ e8658d5
... ... 
@@ -0,0 +1,8 @@
1 
+<soap:Envelope
2 
+    xmlns:soap="http://www.w3.org/2001/12/soap-envelope/"
3 
+    soap:encodingStyle="http://www.w3.org/2001/12/soap-encoding">
4 
+  <soap:Body xmlns="http://stefan.blinkenarea.org/flaneth/dartboard-mod/soap">
5 
+    <GetHitResponse>
6 
+    </GetHitResponse>
7 
+  </soap:Body>
8 
+</soap:Envelope>
firmware.dartboard/http_simple/index.html
View file @ e8658d5
... ... 
@@ -0,0 +1,85 @@
1 
+<html>
2 
+  <head>
3 
+    <title>flaneth - dartboard mod</title>
4 
+    <meta http-equiv="pragma" content="no-cache">
5 
+  </head>
6 
+  <body>
7 
+    <h1>UDP interface</h1>
8 
+      <ul>
9 
+        <li>send empty UDP datagram to UDP port 501</li>
10 
+        <li>receive UDP datagrams containing hit field (e.g. 2x25 for double bull)</li>
11 
+      </ul>
12 
+    <br><br>
13 
+    <h1>SOAP interface</h1>
14 
+      <ul>
15 
+        <li>URL: http://flaneth-dartboard-mod:80/dart</li>
16 
+      </ul>
17 
+      <ul>
18 
+        <li>
19 
+          example request:
20 
+<pre>
21 
+&lt;soap:Envelope
22 
+    xmlns:soap=&quot;http://www.w3.org/2001/12/soap-envelope/&quot;
23 
+    soap:encodingStyle=&quot;http://www.w3.org/2001/12/soap-encoding&quot;&gt;
24 
+  &lt;soap:Body xmlns=&quot;http://stefan.blinkenarea.org/flaneth/dartboard-mod/soap&quot;&gt;
25 
+    &lt;GetHit&gt;
26 
+      &lt;timeout&gt;5&lt;/timeout&gt;
27 
+    &lt;/GetHit&gt;
28 
+  &lt;/soap:Body&gt;
29 
+&lt;/soap:Envelope&gt;
30 
+</pre>
31 
+          timeout: time in seconds to wait for field to be hit<br>
32 
+        </li>
33 
+        <li>
34 
+          example response (double bull):
35 
+<pre>
36 
+&lt;soap:Envelope
37 
+    xmlns:soap=&quot;http://www.w3.org/2001/12/soap-envelope/&quot;
38 
+    soap:encodingStyle=&quot;http://www.w3.org/2001/12/soap-encoding&quot;&gt;
39 
+  &lt;soap:Body xmlns=&quot;http://stefan.blinkenarea.org/flaneth/dartboard-mod/soap&quot;&gt;
40 
+    &lt;GetHitResponse&gt;
41 
+      &lt;factor&gt;2&lt;/factor&gt;
42 
+      &lt;value&gt;25&lt;/value&gt;
43 
+    &lt;/GetHitResponse&gt;
44 
+  &lt;/soap:Body&gt;
45 
+&lt;/soap:Envelope&gt;
46 
+</pre>
47 
+
48 
+          factor: 1 for single, 2 for double, 3 for triple<br>
49 
+          value: value of field that was hit<br>
50 
+        </li>
51 
+        <li>
52 
+          example response (single one):
53 
+<pre>
54 
+&lt;soap:Envelope
55 
+    xmlns:soap=&quot;http://www.w3.org/2001/12/soap-envelope/&quot;
56 
+    soap:encodingStyle=&quot;http://www.w3.org/2001/12/soap-encoding&quot;&gt;
57 
+  &lt;soap:Body xmlns=&quot;http://stefan.blinkenarea.org/flaneth/dartboard-mod/soap&quot;&gt;
58 
+    &lt;GetHitResponse&gt;
59 
+      &lt;factor&gt;1&lt;/factor&gt;
60 
+      &lt;value&gt;1&lt;/value&gt;
61 
+    &lt;/GetHitResponse&gt;
62 
+  &lt;/soap:Body&gt;
63 
+&lt;/soap:Envelope&gt;
64 
+</pre>
65 
+          factor: 1 for single, 2 for double, 3 for triple<br>
66 
+          value: value of field that was hit<br>
67 
+        </li>
68 
+        <li>
69 
+          example response (nothing hit):
70 
+<pre>
71 
+&lt;soap:Envelope
72 
+    xmlns:soap=&quot;http://www.w3.org/2001/12/soap-envelope/&quot;
73 
+    soap:encodingStyle=&quot;http://www.w3.org/2001/12/soap-encoding&quot;&gt;
74 
+  &lt;soap:Body xmlns=&quot;http://stefan.blinkenarea.org/flaneth/dartboard-mod/soap&quot;&gt;
75 
+    &lt;GetHitResponse&gt;
76 
+    &lt;/GetHitResponse&gt;
77 
+  &lt;/soap:Body&gt;
78 
+&lt;/soap:Envelope&gt;
79 
+</pre>
80 
+        </li>
81 
+      </ul>
82 
+    <br><br>
83 
+    flaneth - __VERSION__
84 
+  </body>
85 
+</html>
firmware.dartboard/http_simple/not_found.html
View file @ e8658d5
... ... 
@@ -0,0 +1,9 @@
1 
+<html>
2 
+  <head><title>flaneth - 404 Not Found</title></head>
3 
+  <body>
4 
+    <h1>flaneth - 404 Not Found</h1>
5 
+    The requested URL was not found on this server.<br>
6 
+    <br><br>
7 
+    flaneth - __VERSION__
8 
+  </body>
9 
+</html>
firmware.dartboard/icmp.c
View file @ e8658d5
... ... 
@@ -0,0 +1,104 @@
1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#include <string.h>
9 
+
10 
+#include "checksum.h"
11 
+#include "debug.h"
12 
+#include "ethernet.h"
13 
+#include "icmp.h"
14 
+#include "ip.h"
15 
+#include "macros.h"
16 
+#include "nethelp.h"
17 
+
18 
+// send an ICMP packet
19 
+// pData must point to a struct IcmpPacket with IcmpHdr.Type, IcmpHdr.Code and IpHdr.Dest already initialized
20 
+static void IcmpSend( unsigned char * pData, unsigned short Length )
21 
+{
22 
+  struct IcmpPacket * pIcmpPack;
23 
+  unsigned int chk;
24 
+
25 
+  // packet too short
26 
+  if( Length < sizeof( struct IcmpPacket ) )
27 
+    return;
28 
+
29 
+  // convert pointer to ICMP packet
30 
+  // (this saves us from always casting pData)
31 
+  pIcmpPack = (struct IcmpPacket *)pData;
32 
+
33 
+  debug_icmp_printf( "send type=0x%02X len=%u", pIcmpPack->IcmpHdr.Type, Length );
34 
+
35 
+  // fill in header values
36 
+  pIcmpPack->IcmpHdr.Chk = 0x0000;
37 
+
38 
+  // generate checksum
39 
+  chk = Checksum( (unsigned char *)&pIcmpPack->IcmpHdr, Length - sizeof( struct EthernetHeader ) - sizeof( struct IpHeader ), 0x0000, 0x0000 );
40 
+  pIcmpPack->IcmpHdr.Chk = htons( chk );
41 
+
42 
+  // send ICMP packet
43 
+  pIcmpPack->IpHdr.Proto = 0x01; // ICMP
44 
+  IpSend( pData, Length );
45 
+}
46 
+
47 
+// process a received ICMP echo request packet
48 
+static void IcmpEchoReqRecv( unsigned char * pData, unsigned short Length )
49 
+{
50 
+  struct IcmpEchoPacket * pIcmpEchoPack;
51 
+
52 
+  // packet too short
53 
+  if( Length < sizeof( struct IcmpEchoPacket ) )
54 
+    return;
55 
+
56 
+  // convert pointer to ICMP echo request/reply packet
57 
+  // (this saves us from always casting pData)
58 
+  pIcmpEchoPack = (struct IcmpEchoPacket *)pData;
59 
+
60 
+  // code not 0
61 
+  if( pIcmpEchoPack->IcmpHdr.Code != 0x00 )
62 
+    return;
63 
+
64 
+  debug_icmp_printf( "icmp echo len=%u", Length );
65 
+
66 
+  // send an ICMP echo reply
67 
+  // - use same buffer to send reply
68 
+  // - this saves us from needing to allocate a new buffer
69 
+  // - this saves us from needing to copy EchoHdr.Id, EchoHdr.Seq and the data
70 
+  pIcmpEchoPack->IcmpHdr.Type = 0x00; // ICMP echo reply
71 
+  pIcmpEchoPack->IcmpHdr.Code = 0x00;
72 
+  ip_cpy( pIcmpEchoPack->IpHdr.Dest, pIcmpEchoPack->IpHdr.Src ); // destination IP is source IP of request
73 
+  IcmpSend( pData, Length );
74 
+}
75 
+
76 
+// process a received ICMP packet
77 
+void IcmpRecv( unsigned char * pData, unsigned short Length ) // (extern)
78 
+{
79 
+  struct IcmpPacket * pIcmpPack;
80 
+
81 
+  // packet too short
82 
+  if( Length < sizeof( struct IcmpPacket ) )
83 
+    return;
84 
+
85 
+  // convert pointer to ICMP packet
86 
+  // (this saves us from always casting pData)
87 
+  pIcmpPack = (struct IcmpPacket *)pData;
88 
+
89 
+  // test checksum
90 
+  if( Checksum( (unsigned char*)&pIcmpPack->IcmpHdr, Length - sizeof( struct EthernetHeader ) - sizeof( struct IpHeader ), 0x0000, 0x0000 ) != 0 )
91 
+    return;
92 
+
93 
+  debug_icmp_printf( "recv type=0x%02X len=%u", pIcmpPack->IcmpHdr.Type, Length );
94 
+
95 
+  // branch according to type
96 
+  switch( pIcmpPack->IcmpHdr.Type )
97 
+  {
98 
+    // ICMP echo request
99 
+    case 0x08:
100 
+      IcmpEchoReqRecv( pData, Length );
101 
+      break;
102 
+  }
103 
+}
104 
+
firmware.dartboard/icmp.h
View file @ e8658d5
... ... 
@@ -0,0 +1,50 @@
1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#ifndef INC_icmp
9 
+#define INC_icmp
10 
+
11 
+#include "ethernet.h"
12 
+#include "ip.h"
13 
+
14 
+// header of an ICMP packet
15 
+struct IcmpHeader
16 
+{
17 
+  unsigned char Type;
18 
+  unsigned char Code;
19 
+  unsigned int Chk;
20 
+};
21 
+
22 
+// an ICMP packet
23 
+struct IcmpPacket
24 
+{
25 
+  struct EthernetHeader EthHdr;
26 
+  struct IpHeader IpHdr;
27 
+  struct IcmpHeader IcmpHdr;
28 
+};
29 
+
30 
+// header of an ICMP echo request/reply packet
31 
+struct IcmpEchoHeader
32 
+{
33 
+  unsigned int Id;
34 
+  unsigned int Seq;
35 
+};
36 
+
37 
+// an ICMP echo request/reply packet
38 
+struct IcmpEchoPacket
39 
+{
40 
+  struct EthernetHeader EthHdr;
41 
+  struct IpHeader IpHdr;
42 
+  struct IcmpHeader IcmpHdr;
43 
+  struct IcmpEchoHeader EchoHdr;
44 
+};
45 
+
46 
+// process a received ICMP packet
47 
+extern void IcmpRecv( unsigned char * pData, unsigned short Length );
48 
+
49 
+#endif // #ifdef INC_icmp
50 
+
firmware.dartboard/ip.c
View file @ e8658d5
... ... 
@@ -0,0 +1,319 @@
1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#include <string.h>
9 
+
10 
+#include "arp.h"
11 
+#include "checksum.h"
12 
+#include "config.h"
13 
+#include "debug.h"
14 
+#include "ethernet.h"
15 
+#include "icmp.h"
16 
+#include "ip.h"
17 
+#include "macros.h"
18 
+#include "nethelp.h"
19 
+#include "tcp.h"
20 
+#include "udp.h"
21 
+
22 
+// timing parameters
23 
+#define IpBufferTicksMax 50 // maximum age of buffered IP packet (in 200ms steps)
24 
+
25 
+// buffers for IP packets to transmit
26 
+// - used if MAC is unknown when packet shall be transmitted
27 
+// - packet is sent when MAC becomes known
28 
+unsigned char IpBuffer0[80]; // some buffers with different length (IP packets have different length)
29 
+unsigned char IpBuffer1[80];
30 
+unsigned char IpBuffer2[160];
31 
+unsigned char IpBuffer3[320];
32 
+struct IpBufferTable // table with buffers
33 
+{
34 
+  unsigned char * pBuffer; // pointer to buffer for packet
35 
+  unsigned short BufferLength; // length of buffer
36 
+  unsigned short PacketLength; // length of packet in buffer, 0 if no packet in this buffer
37 
+  unsigned char Ticks; // age of entry in 200ms steps
38 
+} IpBufferTab[] =
39 
+{ // put smaller buffers in front of larger buffers
40 
+  // - then short packets will use smaller buffers more often
41 
+  { IpBuffer0, sizeof( IpBuffer0 ), 0, 0 },
42 
+  { IpBuffer1, sizeof( IpBuffer1 ), 0, 0 },
43 
+  { IpBuffer2, sizeof( IpBuffer2 ), 0, 0 },
44 
+  { IpBuffer3, sizeof( IpBuffer3 ), 0, 0 },
45 
+};
46 
+
47 
+// tick procedure - call every 200ms
48 
+void IpTick200( void ) // (extern)
49 
+{
50 
+  unsigned char i;
51 
+
52 
+  // increase age of buffered IP packets and remove timed out ones
53 
+  for( i = 0; i < count( IpBufferTab ); i++ )
54 
+  {
55 
+    if( IpBufferTab[i].PacketLength > 0 ) // buffer in use
56 
+    {
57 
+      IpBufferTab[i].Ticks++; // increase age
58 
+      if( IpBufferTab[i].Ticks > IpBufferTicksMax ) // too old
59 
+        IpBufferTab[i].PacketLength = 0; // discard packet
60 
+    }
61 
+  }
62 
+}
63 
+
64 
+// process a received IP packet
65 
+void IpRecv( unsigned char * pData, unsigned short Length ) // (extern)
66 
+{
67 
+  struct IpPacket * pIpPack;
68 
+  unsigned int len;
69 
+
70 
+  // packet too short
71 
+  if( Length < sizeof( struct IpPacket ) )
72 
+    return;
73 
+
74 
+  // convert pointer to IP packet
75 
+  // (this saves us from always casting pData)
76 
+  pIpPack = (struct IpPacket *)pData;
77 
+
78 
+  // not IPv4
79 
+  if( pIpPack->IpHdr.Ver_HdrLen != 0x45 ) // IPv4 with no options present
80 
+    return;
81 
+
82 
+  // check destination address
83 
+  do {
84 
+    if( ip_eq( pIpPack->IpHdr.Dest, ConfigIp ) ) // own IP
85 
+      break;
86 
+    if( ip_eq( pIpPack->IpHdr.Dest, "\xFF\xFF\xFF\xFF" ) ) // broadcast
87 
+      break;
88 
+    if( pIpPack->IpHdr.Dest[0] == (ConfigIp[0] & ConfigMask[0]) && // local broadcast
89 
+        pIpPack->IpHdr.Dest[1] == (ConfigIp[1] & ConfigMask[1]) &&
90 
+        pIpPack->IpHdr.Dest[2] == (ConfigIp[2] & ConfigMask[2]) &&
91 
+        pIpPack->IpHdr.Dest[3] == (ConfigIp[3] & ConfigMask[3]) )
92 
+      break;
93 
+    return; // packet not to this node
94 
+  } while( 0 );
95 
+
96 
+  // ignore packets sent from invalid source adresses
97 
+  // - this might be some attack or some router fault
98 
+  if( pIpPack->IpHdr.Src[0] >= 0xE0 || // broadcast, reserved or multicast addresses
99 
+      pIpPack->IpHdr.Src[0] == 0x7F || // loopback network
100 
+      ip_eq( pIpPack->IpHdr.Src, "\x00\x00\x00\x00" ) ) // IP 0.0.0.0
101 
+    return;
102 
+  // ignore packets sent from local network address or broadcast address
103 
+  if( (pIpPack->IpHdr.Src[0] & ConfigMask[0]) == (ConfigIp[0] & ConfigMask[0]) && // source IP is in own subnet
104 
+      (pIpPack->IpHdr.Src[1] & ConfigMask[1]) == (ConfigIp[1] & ConfigMask[1]) &&
105 
+      (pIpPack->IpHdr.Src[2] & ConfigMask[2]) == (ConfigIp[2] & ConfigMask[2]) &&
106 
+      (pIpPack->IpHdr.Src[3] & ConfigMask[3]) == (ConfigIp[3] & ConfigMask[3]) )
107 
+  {
108 
+    if( (pIpPack->IpHdr.Src[0] & ~ConfigMask[0]) == 0x00 && // local network address
109 
+        (pIpPack->IpHdr.Src[1] & ~ConfigMask[1]) == 0x00 &&
110 
+        (pIpPack->IpHdr.Src[2] & ~ConfigMask[2]) == 0x00 &&
111 
+        (pIpPack->IpHdr.Src[3] & ~ConfigMask[3]) == 0x00 )
112 
+      return;
113 
+    if( (pIpPack->IpHdr.Src[0] & ~ConfigMask[0]) == 0xFF && // local broadcast address
114 
+        (pIpPack->IpHdr.Src[1] & ~ConfigMask[1]) == 0xFF &&
115 
+        (pIpPack->IpHdr.Src[2] & ~ConfigMask[2]) == 0xFF &&
116 
+        (pIpPack->IpHdr.Src[3] & ~ConfigMask[3]) == 0xFF )
117 
+      return;
118 
+  }
119 
+  // ignore packets sent from own IP address
120 
+  if( ip_eq( pIpPack->IpHdr.Src, ConfigIp ) )
121 
+    return;
122 
+
123 
+  // ignore fragmented packets
124 
+  // BUG: fragmentation must be supported according to RFC781
125 
+  // but there is no way of assembling packets with up to 64kB on a processor with 4kB of RAM
126 
+  if( (ntohs( pIpPack->IpHdr.FragOfs ) & 0xBFFF) != 0x0000 ) // fragment offset 0, MoreFrags=0, DontFrag=x, reservedFlag=0
127 
+    return;
128 
+
129 
+  // check total length
130 
+  len = sizeof( struct EthernetHeader ) + ntohs( pIpPack->IpHdr.TotalLen ); // length according to IP header
131 
+  if( Length < len ) // packet is truncated
132 
+    return;
133 
+  Length = len; // remove ethernet padding from packet (maybe Length > len)
134 
+
135 
+  // test header checksum
136 
+  if( Checksum( (unsigned char*)&pIpPack->IpHdr, sizeof( struct IpHeader ), 0x0000, 0x0000 ) != 0 )
137 
+    return;
138 
+
139 
+  debug_ip_printf( "recv src=%u.%u.%u.%u protocol=%u len=%u",
140 
+                   pIpPack->IpHdr.Src[0], pIpPack->IpHdr.Src[1],
141 
+                   pIpPack->IpHdr.Src[2], pIpPack->IpHdr.Src[3],
142 
+                   pIpPack->IpHdr.Proto, Length );
143 
+
144 
+  // branch according to protocol
145 
+  switch( pIpPack->IpHdr.Proto )
146 
+  {
147 
+    // ICMP
148 
+    case 0x01:
149 
+      IcmpRecv( pData, Length );
150 
+      break;
151 
+    // TCP
152 
+    case 0x06:
153 
+      TcpRecv( pData, Length );
154 
+      break;
155 
+    // UDP
156 
+    case 0x11:
157 
+      UdpRecv( pData, Length );
158 
+      break;
159 
+  }
160 
+}
161 
+
162 
+// send an IP packet
163 
+// pData must point to a struct IpPacket with IpHdr.Proto and IpHdr.Dest already initialized
164 
+void IpSend( unsigned char * pData, unsigned short Length ) // (extern)
165 
+{
166 
+  struct IpPacket * pIpPack;
167 
+  unsigned int chk;
168 
+  unsigned char i;
169 
+
170 
+  // packet too short
171 
+  if( Length < sizeof( struct IpPacket ) )
172 
+    return;
173 
+
174 
+  // convert pointer to IP packet
175 
+  // (this saves us from always casting pData)
176 
+  pIpPack = (struct IpPacket *)pData;
177 
+
178 
+  debug_ip_printf( "send dest=%u.%u.%u.%u protocol=%u len=%u",
179 
+                   pIpPack->IpHdr.Dest[0], pIpPack->IpHdr.Dest[1],
180 
+                   pIpPack->IpHdr.Dest[2], pIpPack->IpHdr.Dest[3],
181 
+                   pIpPack->IpHdr.Proto, Length );
182 
+
183 
+  // fill in header values
184 
+  pIpPack->IpHdr.Ver_HdrLen = 0x45;
185 
+  pIpPack->IpHdr.Tos = 0x00;
186 
+  pIpPack->IpHdr.TotalLen = htons( Length - sizeof( struct EthernetHeader ) );
187 
+  pIpPack->IpHdr.Id = 0x0000;
188 
+  pIpPack->IpHdr.FragOfs = 0x0000;
189 
+  pIpPack->IpHdr.Ttl = 0x40;
190 
+  pIpPack->IpHdr.HdrChk = 0x0000;
191 
+  ip_cpy( pIpPack->IpHdr.Src, ConfigIp );
192 
+
193 
+  // generate header checksum
194 
+  chk = Checksum( (unsigned char *)&pIpPack->IpHdr, sizeof( struct IpHeader ), 0x0000, 0x0000 );
195 
+  pIpPack->IpHdr.HdrChk = htons( chk );
196 
+
197 
+  // destination is in own subnet
198 
+  if( (pIpPack->IpHdr.Dest[0] & ConfigMask[0]) == (ConfigIp[0] & ConfigMask[0]) &&
199 
+      (pIpPack->IpHdr.Dest[1] & ConfigMask[1]) == (ConfigIp[1] & ConfigMask[1]) &&
200 
+      (pIpPack->IpHdr.Dest[2] & ConfigMask[2]) == (ConfigIp[2] & ConfigMask[2]) &&
201 
+      (pIpPack->IpHdr.Dest[3] & ConfigMask[3]) == (ConfigIp[3] & ConfigMask[3]) )
202 
+  {
203 
+    // broadcast
204 
+    if( (pIpPack->IpHdr.Dest[0] | ConfigMask[0]) == 255 &&
205 
+        (pIpPack->IpHdr.Dest[1] | ConfigMask[1]) == 255 &&
206 
+        (pIpPack->IpHdr.Dest[2] | ConfigMask[2]) == 255 &&
207 
+        (pIpPack->IpHdr.Dest[3] | ConfigMask[3]) == 255 )
208 
+    {
209 
+      mac_cpy( pIpPack->EthHdr.Dest, "\xFF\xFF\xFF\xFF\xFF\xFF" );
210 
+      i = 0x00;
211 
+    }
212 
+    // unicast
213 
+    else
214 
+    {
215 
+      // lookup MAC address of destination
216 
+      i = ArpLookup( pIpPack->IpHdr.Dest, pIpPack->EthHdr.Dest );
217 
+    }
218 
+  }
219 
+  // destination is not in own subnet
220 
+  else
221 
+  {
222 
+    // broadcast
223 
+    if( pIpPack->IpHdr.Dest[0] == 255 &&
224 
+        pIpPack->IpHdr.Dest[1] == 255 &&
225 
+        pIpPack->IpHdr.Dest[2] == 255 &&
226 
+        pIpPack->IpHdr.Dest[3] == 255 )
227 
+    {
228 
+      mac_cpy( pIpPack->EthHdr.Dest, "\xFF\xFF\xFF\xFF\xFF\xFF" );
229 
+      i = 0x00;
230 
+    }
231 
+    // unicast
232 
+    else
233 
+    {
234 
+      // lookup MAC address of default gateway
235 
+      i = ArpLookup( ConfigGw, pIpPack->EthHdr.Dest );
236 
+    }
237 
+  }
238 
+
239 
+  // MAC available
240 
+  if( i == 0x00 )
241 
+  {
242 
+    // sent IP packet
243 
+    pIpPack->EthHdr.Type = htons( 0x0800 ); // ethernet packet type: IP
244 
+    EthernetSend( pData, Length );
245 
+    return;
246 
+  }
247 
+
248 
+  // find a buffer to store the packet in
249 
+  for( i = 0; i < count( IpBufferTab ); i++ )
250 
+  {
251 
+    if( IpBufferTab[i].PacketLength == 0 && // buffer not in use
252 
+        Length < IpBufferTab[i].BufferLength ) // buffer long enough
253 
+    {
254 
+      // put packet into buffer
255 
+      memcpy( IpBufferTab[i].pBuffer, pData, Length );
256 
+      IpBufferTab[i].PacketLength = Length;
257 
+      IpBufferTab[i].Ticks = 0;
258 
+      debug_ip_printf( "queued" );
259 
+      break;
260 
+    }
261 
+  }
262 
+  // if no buffer was found, we cannnot do anything about it and must discard the packet (i.e. do nothing here)
263 
+}
264 
+
265 
+// a MAC address was discovered
266 
+// called by ARP to notify IP
267 
+void IpGotMac( unsigned char Ip[4], unsigned char Mac[6] ) // (extern)
268 
+{
269 
+  unsigned char i;
270 
+  struct IpPacket * pIpPack;
271 
+
272 
+  // search for buffered packets that can be sent now
273 
+  for( i = 0; i < count( IpBufferTab ); i++ )
274 
+  {
275 
+    if( IpBufferTab[i].PacketLength > 0 ) // buffer in use
276 
+    {
277 
+      // convert pointer to IP packet
278 
+      pIpPack = (struct IpPacket *)IpBufferTab[i].pBuffer;
279 
+
280 
+      debug_ip_printf( "send queued dest=%u.%u.%u.%u protocol=%u len=%u",
281 
+                       pIpPack->IpHdr.Dest[0], pIpPack->IpHdr.Dest[1],
282 
+                       pIpPack->IpHdr.Dest[2], pIpPack->IpHdr.Dest[3],
283 
+                       pIpPack->IpHdr.Proto, IpBufferTab[i].PacketLength );
284 
+
285 
+      // destination is in own subnet
286 
+      if( (pIpPack->IpHdr.Dest[0] & ConfigMask[0]) == (ConfigIp[0] & ConfigMask[0]) &&
287 
+          (pIpPack->IpHdr.Dest[1] & ConfigMask[1]) == (ConfigIp[1] & ConfigMask[1]) &&
288 
+          (pIpPack->IpHdr.Dest[2] & ConfigMask[2]) == (ConfigIp[2] & ConfigMask[2]) &&
289 
+          (pIpPack->IpHdr.Dest[3] & ConfigMask[3]) == (ConfigIp[3] & ConfigMask[3]) )
290 
+      {
291 
+        // packet can be sent to destination
292 
+        if( ip_eq( pIpPack->IpHdr.Dest, Ip ) )
293 
+        {
294 
+          // send IP packet
295 
+          pIpPack->EthHdr.Type = htons( 0x0800 ); // ethernet packet type: IP
296 
+          mac_cpy( pIpPack->EthHdr.Dest, Mac );
297 
+          EthernetSend( IpBufferTab[i].pBuffer, IpBufferTab[i].PacketLength );
298 
+          // buffer is now free
299 
+          IpBufferTab[i].PacketLength = 0;
300 
+        }
301 
+      }
302 
+      // destination is not in own subnet
303 
+      else
304 
+      {
305 
+        // packet can be sent to gateway
306 
+        if( ip_eq( ConfigGw, Ip ) )
307 
+        {
308 
+          // send IP packet
309 
+          pIpPack->EthHdr.Type = htons( 0x0800 ); // ethernet packet type: IP
310 
+          mac_cpy( pIpPack->EthHdr.Dest, Mac );
311 
+          EthernetSend( IpBufferTab[i].pBuffer, IpBufferTab[i].PacketLength );
312 
+          // buffer is now free
313 
+          IpBufferTab[i].PacketLength = 0;
314 
+        }
315 
+      }
316 
+    }
317 
+  } // for( i ...
318 
+}
319 
+
firmware.dartboard/ip.h
View file @ e8658d5
... ... 
@@ -0,0 +1,50 @@
1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#ifndef INC_ip
9 
+#define INC_ip
10 
+
11 
+#include "ethernet.h"
12 
+
13 
+// header of an IP packet
14 
+struct IpHeader
15 
+{
16 
+  unsigned char Ver_HdrLen;
17 
+  unsigned char Tos;
18 
+  unsigned int TotalLen;
19 
+  unsigned int Id;
20 
+  unsigned int FragOfs;
21 
+  unsigned char Ttl;
22 
+  unsigned char Proto;
23 
+  unsigned int HdrChk;
24 
+  unsigned char Src[4];
25 
+  unsigned char Dest[4];
26 
+};
27 
+
28 
+// an IP packet
29 
+struct IpPacket
30 
+{
31 
+  struct EthernetHeader EthHdr;
32 
+  struct IpHeader IpHdr;
33 
+};
34 
+
35 
+// tick procedure - call every 200ms
36 
+extern void IpTick200( void );
37 
+
38 
+// process a received IP packet
39 
+extern void IpRecv( unsigned char * pData, unsigned short Length );
40 
+
41 
+// send an IP packet
42 
+// pData must point to a struct IpPacket with IpHdr.Proto and IpHdr.Dest already initialized
43 
+extern void IpSend( unsigned char * pData, unsigned short Length );
44 
+
45 
+// a MAC address was discovered
46 
+// called by ARP to notify IP
47 
+extern void IpGotMac( unsigned char Ip[4], unsigned char Mac[6] );
48 
+
49 
+#endif // #ifdef INC_ip
50 
+
firmware.dartboard/macros.h
View file @ e8658d5
... ... 
@@ -0,0 +1,29 @@
1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#ifndef INC_macros
9 
+#define INC_macros
10 
+
11 
+// minimum and maximum
12 
+#define min( a, b ) ((a) < (b) ? (a) : (b))
13 
+#define max( a, b ) ((a) > (b) ? (a) : (b))
14 
+
15 
+// number of entries in an array
16 
+#define count( array ) (sizeof( (array) ) / sizeof( (array)[0] ))
17 
+
18 
+// waiting
19 
+#define nop( ) { __asm__ __volatile__ ("nop"::); }
20 
+
21 
+// bit manipulation
22 
+#define bit_set( var, bit ) ((var) |= (1 << (bit)))
23 
+#define bit_clear( var, bit ) ((var) &= ~(1 << (bit)))
24 
+#define bit_toggle( var, bit ) ((var) ^= (1 << (bit)))
25 
+#define is_bit_clear( var, bit ) (!(((var) >> (bit)) & 1))
26 
+#define is_bit_set( var, bit ) (((var) >> (bit)) & 1)
27 
+
28 
+#endif // #ifndef INC_macros
29 
+
firmware.dartboard/main.c
View file @ e8658d5
... ... 
@@ -0,0 +1,91 @@
1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#include <avr/interrupt.h>
9 
+#include <avr/wdt.h>
10 
+
11 
+#include "arp.h"
12 
+#include "bus.h"
13 
+#include "cf.h"
14 
+#include "dart.h"
15 
+#include "debug.h"
16 
+#include "eeprom.h"
17 
+#include "http.h"
18 
+#include "random.h"
19 
+#include "rtl8019.h"
20 
+#include "status.h"
21 
+#include "tcp.h"
22 
+#include "timing.h"
23 
+#include "uart.h"
24 
+
25 
+// main code entry point
26 
+int main( void )
27 
+{
28 
+  wdt_reset( );
29 
+#ifdef DEBUG
30 
+  wdt_disable( );
31 
+#else
32 
+  wdt_enable( WDTO_60MS );
33 
+#endif
34 
+  wdt_reset( );
35 
+
36 
+  // initialize uart to be able to use stdio
37 
+  UartInit( );
38 
+
39 
+  debug_printf( "" );
40 
+  debug_printf( "flaneth" );
41 
+
42 
+  debug_init_printf( "init" );
43 
+
44 
+  // initialize low level modules
45 
+  BusInit( );
46 
+
47 
+  // initialize middle level modules
48 
+  CfInit( );
49 
+  DartInit( );
50 
+  RtlInit( );
51 
+  StatusInit( );
52 
+  TimingInit( );
53 
+
54 
+  // initialize high level modules
55 
+  ArpInit( );
56 
+  HttpInit( );
57 
+  TcpInit( );
58 
+
59 
+  // use entropy collected during initialization
60 
+  RandomTask( );
61 
+
62 
+  debug_init_printf( "config" );
63 
+
64 
+  // get configuration from EEPROM
65 
+  EepromGetConfig( );
66 
+
67 
+  // enable interrupts
68 
+  sei( );
69 
+
70 
+  debug_init_printf( "start" );
71 
+
72 
+  // main loop
73 
+  while( 1 )
74 
+  {
75 
+    wdt_reset( );
76 
+    CfTask( );
77 
+    wdt_reset( );
78 
+    DartTask( );
79 
+    wdt_reset( );
80 
+    EepromTask( );
81 
+    wdt_reset( );
82 
+    RandomTask( );
83 
+    wdt_reset( );
84 
+    RtlTask( );
85 
+    wdt_reset( );
86 
+    TimingTask( );
87 
+  }
88 
+
89 
+  return 0;
90 
+}
91 
+
firmware.dartboard/nethelp.h
View file @ e8658d5
... ... 
@@ -0,0 +1,38 @@
1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#ifndef INC_nethelp
9 
+#define INC_nethelp
10 
+
11 
+// byte order
12 
+#define ntohs( n ) ( ((unsigned short)(n) & 0xFF00) >> 8 | \
13 
+                     ((unsigned short)(n) & 0x00FF) << 8 )
14 
+#define htons( h ) ( ((unsigned short)(h) & 0xFF00) >> 8 | \
15 
+                     ((unsigned short)(h) & 0x00FF) << 8 )
16 
+#define ntohl( n ) ( ((unsigned long)(n) & 0xFF000000) >> 24 | \
17 
+                     ((unsigned long)(n) & 0x00FF0000) >> 8 | \
18 
+                     ((unsigned long)(n) & 0x0000FF00) << 8 | \
19 
+                     ((unsigned long)(n) & 0x000000FF) << 24 )
20 
+#define htonl( h ) ( ((unsigned long)(h) & 0xFF000000) >> 24 | \
21 
+                     ((unsigned long)(h) & 0x00FF0000) >> 8 | \
22 
+                     ((unsigned long)(h) & 0x0000FF00) << 8 | \
23 
+                     ((unsigned long)(h) & 0x000000FF) << 24 )
24 
+
25 
+// comparing MACs and IPs
26 
+#define mac_eq( a, b ) ( (a)[0] == (b)[0] && (a)[1] == (b)[1] && (a)[2] == (b)[2] && \
27 
+                         (a)[3] == (b)[3] && (a)[4] == (b)[4] && (a)[5] == (b)[5] )
28 
+#define ip_eq( a, b ) ( (a)[0] == (b)[0] && (a)[1] == (b)[1] && \
29 
+                        (a)[2] == (b)[2] && (a)[3] == (b)[3] )
30 
+
31 
+// copying MACs and IPs
32 
+#define mac_cpy( dest, src ) ( (dest)[0] = (src)[0], (dest)[1] = (src)[1], (dest)[2] = (src)[2], \
33 
+                               (dest)[3] = (src)[3], (dest)[4] = (src)[4], (dest)[5] = (src)[5] )
34 
+#define ip_cpy( dest, src ) ( (dest)[0] = (src)[0], (dest)[1] = (src)[1], \
35 
+                              (dest)[2] = (src)[2], (dest)[3] = (src)[3] )
36 
+
37 
+#endif // #ifndef INC_nethelp
38 
+
firmware.dartboard/random.c
View file @ e8658d5
... ... 
@@ -0,0 +1,78 @@
1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#include <stdlib.h>
9 
+
10 
+#include "random.h"
11 
+
12 
+// number of complete bytes a call to random( ) returns
13 
+#if RANDOM_MAX < 0xFF
14 
+#error random number generator is not able to return a random byte
15 
+#elif RANDOM_MAX < 0xFFFF
16 
+#define RANDOM_BYTES 1
17 
+#elif RANDOM_MAX < 0xFFFFFF
18 
+#define RANDOM_BYTES 2
19 
+#elif RANDOM_MAX < 0xFFFFFFFF
20 
+#define RANDOM_BYTES 3
21 
+#else
22 
+#define RANDOM_BYTES 4
23 
+#endif
24 
+
25 
+// entropy collected so far
26 
+unsigned long RandomEntropy = 0; // the entropy itself
27 
+unsigned char RandomEntropyCnt // number of times entropy was collected so far
28 
+              = sizeof( unsigned long ) * 8 - 5; // (use first entropy (few is better than none))
29 
+
30 
+// provide some entropy
31 
+void RandomProvideEntropy( unsigned char Entropy ) // (extern)
32 
+{
33 
+  // collect entropy
34 
+  RandomEntropy = RandomEntropy << 1 ^ (unsigned int)Entropy;
35 
+  RandomEntropyCnt++;
36 
+}
37 
+
38 
+// task function to do the work - call from main loop
39 
+void RandomTask( void ) // (extern)
40 
+{
41 
+  // enough entropy was collected
42 
+  if( RandomEntropyCnt >= sizeof( unsigned long ) * 8 ) // one time entropy for every bit of RandomEntropy
43 
+  {
44 
+    RandomEntropyCnt = 0;
45 
+    // re-seed random number generator
46 
+    srandom( RandomEntropy );
47 
+  }
48 
+}
49 
+
50 
+// get random data
51 
+void RandomGetData( unsigned char * pData, unsigned char Length ) // (extern)
52 
+{
53 
+  unsigned long r;
54 
+  unsigned char i;
55 
+
56 
+  // return random data
57 
+  for( ; Length >= RANDOM_BYTES; Length -= RANDOM_BYTES )
58 
+  {
59 
+    r = random( );
60 
+    for( i = 0; i < RANDOM_BYTES; i++ )
61 
+    {
62 
+      *pData = (unsigned char)r;
63 
+      pData++;
64 
+      r >>= 8;
65 
+    }
66 
+  }
67 
+  if( Length > 0 )
68 
+  {
69 
+    r = random( );
70 
+    for( i = 0; i < Length; i++ )
71 
+    {
72 
+      *pData = (unsigned char)r;
73 
+      pData++;
74 
+      r >>= 8;
75 
+    }
76 
+  }
77 
+}
78 
+
firmware.dartboard/random.h
View file @ e8658d5
... ... 
@@ -0,0 +1,20 @@
1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#ifndef INC_random
9 
+#define INC_random
10 
+
11 
+// provide some entropy
12 
+extern void RandomProvideEntropy( unsigned char Entropy );
13 
+
14 
+// task function to do the work - call from main loop
15 
+extern void RandomTask( void );
16 
+
17 
+// get random data
18 
+extern void RandomGetData( unsigned char * pData, unsigned char Length );
19 
+
20 
+#endif // #ifndef INC_random
firmware.dartboard/rtl8019.c
View file @ e8658d5
... ... 
@@ -0,0 +1,546 @@
1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#include <avr/io.h>
9 
+
10 
+#include "bus.h"
11 
+#include "config.h"
12 
+#include "debug.h"
13 
+#include "ethernet.h"
14 
+#include "macros.h"
15 
+#include "random.h"
16 
+#include "rtl8019.h"
17 
+#include "timing.h"
18 
+
19 
+// maximum receive unit
20 
+#define RTL_MRU (640)
21 
+
22 
+// reinitialization timeout
23 
+// - if no reception is detected for this time, the RTL8019 is reinitialized
24 
+#define RtlReinitTimeoutTicks (50) // in 200ms steps
25 
+
26 
+// IO pins of RTL8019
27 
+#define RTL_DDR_INT (DDRE)
28 
+#define RTL_PORT_INT (PORTE)
29 
+#define RTL_BIT_INT (5)
30 
+#define RTL_DDR_nAEN (DDRE)
31 
+#define RTL_PORT_nAEN (PORTE)
32 
+#define RTL_BIT_nAEN (4)
33 
+#define RTL_DDR_RST (DDRE)
34 
+#define RTL_PORT_RST (PORTE)
35 
+#define RTL_BIT_RST (3)
36 
+// special pin commands
37 
+#define RTL_AEN_ACT( ) (bit_clear( RTL_PORT_nAEN, RTL_BIT_nAEN ))
38 
+#define RTL_AEN_IDLE( ) (bit_set( RTL_PORT_nAEN, RTL_BIT_nAEN ))
39 
+#define RTL_RESET_ACT( ) (bit_set( RTL_PORT_RST, RTL_BIT_RST ))
40 
+#define RTL_RESET_IDLE( ) (bit_clear( RTL_PORT_RST, RTL_BIT_RST ))
41 
+
42 
+// IO pins of RTL8019 EEPROM interface
43 
+#define RTL_DDR_EECS (DDRD)
44 
+#define RTL_PORT_EECS (PORTD)
45 
+#define RTL_PIN_EECS (PIND)
46 
+#define RTL_BIT_EECS (7)
47 
+#define RTL_DDR_EESK (DDRD)
48 
+#define RTL_PORT_EESK (PORTD)
49 
+#define RTL_PIN_EESK (PIND)
50 
+#define RTL_BIT_EESK (4)
51 
+#define RTL_DDR_EEDI (DDRD)
52 
+#define RTL_PORT_EEDI (PORTD)
53 
+#define RTL_PIN_EEDI (PIND)
54 
+#define RTL_BIT_EEDI (5)
55 
+#define RTL_DDR_EEDO (DDRD)
56 
+#define RTL_PORT_EEDO (PORTD)
57 
+#define RTL_BIT_EEDO (6)
58 
+
59 
+// RTL8019 registers
60 
+#define RTL_REG_CR (0x00)
61 
+#define RTL_REG_PSTART (0x01)
62 
+#define RTL_REG_PAR0 (0x01)
63 
+#define RTL_REG_PSTOP (0x02)
64 
+#define RTL_REG_BNRY (0x03)
65 
+#define RTL_REG_TPSR (0x04)
66 
+#define RTL_REG_TBCR0 (0x05)
67 
+#define RTL_REG_TBCR1 (0x06)
68 
+#define RTL_REG_ISR (0x07)
69 
+#define RTL_REG_CURR (0x07)
70 
+#define RTL_REG_RSAR0 (0x08)
71 
+#define RTL_REG_CRDA0 (0x08)
72 
+#define RTL_REG_RSAR1 (0x09)
73 
+#define RTL_REG_CRDAl (0x09)
74 
+#define RTL_REG_RBCR0 (0x0A)
75 
+#define RTL_REG_ID0 (0x0A)
76 
+#define RTL_REG_ID1 (0x0B)
77 
+#define RTL_REG_RBCR1 (0x0B)
78 
+#define RTL_REG_RSR (0x0C)
79 
+#define RTL_REG_RCR (0x0C)
80 
+#define RTL_REG_TCR (0x0D)
81 
+#define RTL_REG_CNTR0 (0x0D)
82 
+#define RTL_REG_DCR (0x0E)
83 
+#define RTL_REG_CNTR1 (0x0E)
84 
+#define RTL_REG_IMR (0x0F)
85 
+#define RTL_REG_CNTR2 (0x0F)
86 
+#define RTL_REG_RDMAPORT (0x10)
87 
+#define RTL_REG_RSTPORT (0x18)
88 
+
89 
+// RTL8019AS CR register bits
90 
+#define RTL_CR_STP (0)
91 
+#define RTL_CR_STA (1)
92 
+#define RTL_CR_TXP (2)
93 
+#define RTL_CR_RD0 (3)
94 
+#define RTL_CR_RD1 (4)
95 
+#define RTL_CR_RD2 (5)
96 
+#define RTL_CR_PS0 (6)
97 
+#define RTL_CR_PS1 (7)
98 
+
99 
+// RTL8019 ISR register bits
100 
+#define RTL_ISR_PRX (0)
101 
+#define RTL_ISR_PTX (1)
102 
+#define RTL_ISR_RXE (2)
103 
+#define RTL_ISR_TXE (3)
104 
+#define RTL_ISR_OVW (4)
105 
+#define RTL_ISR_CNT (5)
106 
+#define RTL_ISR_RDC (6)
107 
+#define RTL_ISR_RST (7)
108 
+
109 
+// RTL8019 (initial) register values
110 
+#define RTL_VAL_RCR (0x04)
111 
+#define RTL_VAL_TCR (0x00)
112 
+#define RTL_VAL_DCR (0x58)
113 
+#define RTL_VAL_IMR (0x00)
114 
+#define RTL_VAL_TXSTART (0x40)
115 
+#define RTL_VAL_RXSTART (0x46)
116 
+#define RTL_VAL_RXSTOP (0x60)
117 
+
118 
+// write a RTL8019 register
119 
+extern inline void RtlWriteReg( unsigned char reg, unsigned char val ) // force inlining by using "extern"
120 
+{
121 
+  BUS_DATA = val; // output value
122 
+  BUS_DATA_DDR = 0xFF; // data port to output
123 
+  BUS_ADDR = reg; // output address
124 
+  RTL_AEN_ACT( ); // set address enable
125 
+  BUS_WRITE_ACT( ); // activate write signal
126 
+  nop( );
127 
+  nop( );
128 
+  BUS_WRITE_IDLE( ); // take back write signal
129 
+  RTL_AEN_IDLE( ); // take back address enable
130 
+  BUS_DATA_DDR = 0x00; // data back port to input
131 
+  BUS_DATA = 0x00; // turn off pullups
132 
+}
133 
+
134 
+// write buffer to RTL8019 register
135 
+extern inline void RtlWriteRegBuf( unsigned char reg, unsigned char * p_buf, unsigned short len ) // force inlining by using "extern"
136 
+{
137 
+  BUS_DATA = *p_buf; // output first value to initialize port status before switching to output
138 
+  BUS_DATA_DDR = 0xFF; // data port to output
139 
+  BUS_ADDR = reg; // output address
140 
+  RTL_AEN_ACT( ); // set address enable
141 
+  for( ; len > 0; p_buf++, len-- ) {
142 
+    BUS_DATA = *p_buf; // output value
143 
+    BUS_WRITE_ACT( ); // activate write signal
144 
+    nop( );
145 
+    nop( );
146 
+    BUS_WRITE_IDLE( ); // take back write signal
147 
+  }
148 
+  RTL_AEN_IDLE( ); // take back address enable
149 
+  BUS_DATA_DDR = 0x00; // data back port to input
150 
+  BUS_DATA = 0x00; // turn off pullups
151 
+}
152 
+
153 
+// write constant to RTL8019 register multiple times
154 
+extern inline void RtlWriteRegConst( unsigned char reg, unsigned char val, unsigned short cnt ) // force inlining by using "extern"
155 
+{
156 
+  BUS_DATA = val; // output value
157 
+  BUS_DATA_DDR = 0xFF; // data port to output
158 
+  BUS_ADDR = reg; // output address
159 
+  RTL_AEN_ACT( ); // set address enable
160 
+  for( ; cnt > 0; cnt-- ) {
161 
+    BUS_WRITE_ACT( ); // activate write signal
162 
+    nop( );
163 
+    nop( );
164 
+    BUS_WRITE_IDLE( ); // take back write signal
165 
+  }
166 
+  RTL_AEN_IDLE( ); // take back address enable
167 
+  BUS_DATA_DDR = 0x00; // data back port to input
168 
+  BUS_DATA = 0x00; // turn off pullups
169 
+}
170 
+
171 
+// read a RTL8019 register
172 
+extern inline void RtlReadReg( unsigned char reg, unsigned char * p_var ) // force inlining by using "extern"
173 
+{
174 
+  BUS_ADDR = reg; // output address
175 
+  RTL_AEN_ACT( ); // set address enable
176 
+  BUS_READ_ACT( ); // activate read signal
177 
+  nop( );
178 
+  nop( );
179 
+  *p_var = BUS_DATA_IN; // read data
180 
+  BUS_READ_IDLE( ); // take back read signal
181 
+  RTL_AEN_IDLE( ); // take back address enable
182 
+}
183 
+
184 
+// read buffer from RTL8019 register
185 
+extern inline void RtlReadRegBuf( unsigned char reg, unsigned char * p_buf, unsigned short len ) // force inlining by using "extern"
186 
+{
187 
+  BUS_ADDR = reg; // output address
188 
+  RTL_AEN_ACT( ); // set address enable
189 
+  for( ; len > 0; p_buf++, len-- ) {
190 
+    BUS_READ_ACT( ); // activate read signal
191 
+    nop( );
192 
+    nop( );
193 
+    *p_buf = BUS_DATA_IN; // read data
194 
+    BUS_READ_IDLE( ); // take back read signal
195 
+  }
196 
+  RTL_AEN_IDLE( ); // take back address enable
197 
+}
198 
+
199 
+// read a RTL8019 register multiple times and throw away data
200 
+extern inline void RtlReadRegMulti( unsigned char reg, unsigned short cnt ) // force inlining by using "extern"
201 
+{
202 
+  BUS_ADDR = reg; // output address
203 
+  RTL_AEN_ACT( ); // set address enable
204 
+  for( ; cnt > 0; cnt-- ) {
205 
+    BUS_READ_ACT( ); // activate read signal
206 
+    nop( );
207 
+    nop( );
208 
+    BUS_READ_IDLE( ); // take back read signal
209 
+  }
210 
+  RTL_AEN_IDLE( ); // take back address enable
211 
+}
212 
+
213 
+// reinitialization timeout counter
214 
+unsigned char RtlReinitTimeout = 0;
215 
+
216 
+// emulate eeprom containing RTL8019AS configuration
217 
+static void RtlEmulateEeprom( void )
218 
+{
219 
+  static const unsigned char timeout = 150;
220 
+
221 
+  unsigned int addr, data, entropy;
222 
+  unsigned char t, i;
223 
+
224 
+  while( 1 ) {
225 
+    entropy = 0;
226 
+
227 
+    // wait for CS HIGH
228 
+    for( t = 0; bit_is_clear( RTL_PIN_EECS, RTL_BIT_EECS ); t++ )
229 
+      if( t >= timeout )
230 
+        return;
231 
+    entropy += t;
232 
+
233 
+    // ignore one clock
234 
+    // wait for clock HIGH
235 
+    for( t = 0; bit_is_clear( RTL_PIN_EESK, RTL_BIT_EESK ); t++ )
236 
+      if( t >= timeout )
237 
+        return;
238 
+    entropy += t;
239 
+    // wait for clock LOW
240 
+    for( t = 0; bit_is_set( RTL_PIN_EESK, RTL_BIT_EESK ); t++ )
241 
+      if( t >= timeout )
242 
+        return;
243 
+    entropy += t;
244 
+
245 
+    // shift in address
246 
+    addr = 0;
247 
+    for( i = 0; i < 9; i++ ) {
248 
+      // wait for clock HIGH
249 
+      for( t = 0; bit_is_clear( RTL_PIN_EESK, RTL_BIT_EESK ); t++ )
250 
+        if( t >= timeout )
251 
+          return;
252 
+      entropy += t;
253 
+      // read next bit
254 
+      addr <<= 1;
255 
+      if( bit_is_set( RTL_PIN_EEDI, RTL_BIT_EEDI ) )
256 
+        addr |= 0x01;
257 
+      // wait for clock LOW
258 
+      for( t = 0; bit_is_set( RTL_PIN_EESK, RTL_BIT_EESK ); t++ )
259 
+        if( t >= timeout )
260 
+          return;
261 
+      entropy += t;
262 
+    }
263 
+
264 
+    // get data
265 
+    switch( addr ) {
266 
+      // CONFIG 3 = FUDUP,LEDS0; CONFIG 4 = -
267 
+      case 0x181:
268 
+        data = 0x0050;
269 
+        break;
270 
+      // output zero by default (as if no EEPROM is connected)
271 
+      default:
272 
+        data = 0x0000;
273 
+        break;
274 
+    }
275 
+
276 
+    // shift out data
277 
+    for( i = 0; i < 16; i++ ) {
278 
+      // wait for clock HIGH
279 
+      for( t = 0; bit_is_clear( RTL_PIN_EESK, RTL_BIT_EESK ); t++ )
280 
+        if( t >= timeout )
281 
+          return;
282 
+      entropy += t;
283 
+      // write next bit
284 
+      if( data & 0x8000 )
285 
+        bit_set( RTL_PORT_EEDO, RTL_BIT_EEDO );
286 
+      else
287 
+        bit_clear( RTL_PORT_EEDO, RTL_BIT_EEDO );
288 
+      data <<= 1;
289 
+      // wait for clock LOW
290 
+      for( t = 0; bit_is_set( RTL_PIN_EESK, RTL_BIT_EESK ); t++ )
291 
+        if( t >= timeout )
292 
+          return;
293 
+      entropy += t;
294 
+    }
295 
+
296 
+    // wait for CS LOW
297 
+    for( t = 0; bit_is_set( RTL_PIN_EECS, RTL_BIT_EECS ); t++ )
298 
+      if( t >= timeout )
299 
+        return;
300 
+    entropy += t;
301 
+
302 
+    // pass on entropy to randomness generator
303 
+    RandomProvideEntropy( (unsigned char)entropy );
304 
+
305 
+  } // while( 1 )
306 
+}
307 
+
308 
+// initialize
309 
+void RtlInit( void ) // (extern)
310 
+{
311 
+  unsigned char i;
312 
+  unsigned short j;
313 
+
314 
+  // setup ports
315 
+  bit_clear( RTL_PORT_INT, RTL_BIT_INT ); // pull-up of interrupt pin off
316 
+  bit_clear( RTL_DDR_INT, RTL_BIT_INT ); // interrupt pin to input
317 
+  bit_set( RTL_PORT_nAEN, RTL_BIT_nAEN ); // address enable pin to HIGH
318 
+  bit_set( RTL_DDR_nAEN, RTL_BIT_nAEN ); // address enable pin to output
319 
+  bit_set( RTL_PORT_RST, RTL_BIT_RST ); // reset pin to HIGH
320 
+  bit_set( RTL_DDR_RST, RTL_BIT_RST ); // reset pin to output
321 
+
322 
+  // configuration of EEPROM emulation
323 
+  bit_clear( RTL_PORT_EECS, RTL_BIT_EECS ); // EECS := input, no pull-up
324 
+  bit_clear( RTL_DDR_EECS, RTL_BIT_EECS );
325 
+  bit_clear( RTL_PORT_EESK, RTL_BIT_EESK ); // EESK := input, no pull-up
326 
+  bit_clear( RTL_DDR_EESK, RTL_BIT_EESK );
327 
+  bit_clear( RTL_PORT_EEDI, RTL_BIT_EEDI ); // EEDI := input, no pull-up
328 
+  bit_clear( RTL_DDR_EEDI, RTL_BIT_EEDI );
329 
+  bit_clear( RTL_PORT_EEDO, RTL_BIT_EEDO ); // EEDO := output, LOW
330 
+  bit_set( RTL_DDR_EEDO, RTL_BIT_EEDO );
331 
+
332 
+  // take back reset
333 
+  for( i = 0; i < 10; i++ )
334 
+    nop( );
335 
+  RTL_RESET_IDLE( );
336 
+  RtlEmulateEeprom( );
337 
+  for( j = 0; j < 5000; j++ )
338 
+    nop( );
339 
+
340 
+  // clear software reset
341 
+  RtlReadReg( RTL_REG_RSTPORT, &i );
342 
+  RtlWriteReg( RTL_REG_RSTPORT, 0xFF );
343 
+  for( i = 0; i < 100; i++ )
344 
+    nop( );
345 
+
346 
+  // do the same as in reinitialization
347 
+  RtlReinit( );
348 
+}
349 
+
350 
+// re-initialize RT8019 (i.e. if MAC changed)
351 
+void RtlReinit( void ) // (extern)
352 
+{
353 
+  unsigned char i, j;
354 
+
355 
+  // stop RTL8019
356 
+  RtlWriteReg( RTL_REG_CR, 1<<RTL_CR_STP | 1<<RTL_CR_RD2 );
357 
+  for( i = 0; i < 100; i++ )
358 
+    nop( );
359 
+
360 
+  // output RTL8019 ID
361 
+  RtlReadReg( RTL_REG_ID0, &i );
362 
+  RtlReadReg( RTL_REG_ID1, &j );
363 
+  debug_rtl8019_printf( "RTL8019AS (re)init ID=0x%02X,0x%02X", i, j );
364 
+
365 
+  // set up RTL8019
366 
+  RtlWriteReg( RTL_REG_DCR, RTL_VAL_DCR );
367 
+  RtlWriteReg( RTL_REG_RBCR0, 0x00 );
368 
+  RtlWriteReg( RTL_REG_RBCR1, 0x00 );
369 
+  RtlWriteReg( RTL_REG_RCR, 0x04 );
370 
+  RtlWriteReg( RTL_REG_TPSR, RTL_VAL_RXSTART );
371 
+  RtlWriteReg( RTL_REG_TCR, 0x02 );
372 
+  RtlWriteReg( RTL_REG_PSTART, RTL_VAL_RXSTART );
373 
+  RtlWriteReg( RTL_REG_BNRY, RTL_VAL_RXSTART );
374 
+  RtlWriteReg( RTL_REG_PSTOP, RTL_VAL_RXSTOP );
375 
+  RtlWriteReg( RTL_REG_CR, 1<<RTL_CR_STP | 1<<RTL_CR_RD2 | 1<<RTL_CR_PS0 );
376 
+  for( i = 0; i < 100; i++ )
377 
+    nop( );
378 
+
379 
+  // write MAC to chip
380 
+  RtlWriteReg( RTL_REG_CURR, RTL_VAL_RXSTART );
381 
+  for( i = 0; i < 6; i++ )
382 
+    RtlWriteReg( RTL_REG_PAR0 + i, ConfigMac[i] );
383 
+
384 
+  // go on with intializing
385 
+  RtlWriteReg( RTL_REG_CR, 1<<RTL_CR_STP | 1<<RTL_CR_RD2 );
386 
+  RtlWriteReg( RTL_REG_DCR, RTL_VAL_DCR );
387 
+  RtlWriteReg( RTL_REG_CR, 1<<RTL_CR_STA | 1<<RTL_CR_RD2 );
388 
+  RtlWriteReg( RTL_REG_ISR, 1<<RTL_ISR_PRX | 1<<RTL_ISR_PTX |
389 
+                          1<<RTL_ISR_RXE | 1<<RTL_ISR_TXE |
390 
+                          1<<RTL_ISR_OVW | 1<<RTL_ISR_CNT |
391 
+                          1<<RTL_ISR_RDC | 1<<RTL_ISR_RST );
392 
+  RtlWriteReg( RTL_REG_IMR, RTL_VAL_IMR );
393 
+  RtlWriteReg( RTL_REG_TCR, RTL_VAL_TCR );
394 
+
395 
+  // start RTL8019
396 
+  RtlWriteReg( RTL_REG_CR, 1<<RTL_CR_STA | 1<<RTL_CR_RD2 );
397 
+
398 
+  // clear reinitialization timeout
399 
+  RtlReinitTimeout = 0;
400 
+}
401 
+
402 
+// tick procedure - call every 200ms
403 
+void RtlTick200( void ) // (extern)
404 
+{
405 
+  // increment reinitialization timeout counter
406 
+  RtlReinitTimeout++;
407 
+
408 
+  // reinitialization timeout
409 
+  if( RtlReinitTimeout >= RtlReinitTimeoutTicks )
410 
+    // reinitialize RTL8019 (resets reinitialization timeout)
411 
+    RtlReinit( );
412 
+}
413 
+
414 
+// fetch and process a received packet
415 
+static inline void RtlRecv( void )
416 
+{
417 
+  unsigned short PacketLen;
418 
+  unsigned char Packet[RTL_MRU];
419 
+
420 
+  // fetch packet from RTL8019
421 
+  PacketLen = count( Packet );
422 
+  RtlReadFrame( (unsigned char *)Packet, &PacketLen );
423 
+
424 
+  // pass packet on to ethernet
425 
+  EthernetRecv( Packet, PacketLen );
426 
+}
427 
+
428 
+// task function to do the work - call from main loop
429 
+void RtlTask( void ) // (extern)
430 
+{
431 
+  unsigned char isr, bnry, curr;
432 
+
433 
+  // read interrupt register
434 
+  RtlWriteReg( RTL_REG_CR, 1<<RTL_CR_STA | 1<<RTL_CR_RD2 );
435 
+  RtlReadReg( RTL_REG_ISR, &isr );
436 
+  // a packet was received
437 
+  if( isr & 1<<RTL_ISR_PRX )
438 
+    // use current timestamp for generating some entropy
439 
+    TimingEntropy( );
440 
+
441 
+  // check if receive ring buffer is not empty
442 
+  RtlReadReg( RTL_REG_BNRY, &bnry );
443 
+  RtlWriteReg( RTL_REG_CR, 1<<RTL_CR_STA | 1<<RTL_CR_RD2 | 1<<RTL_CR_PS0 );
444 
+  RtlReadReg( RTL_REG_CURR, &curr );
445 
+  RtlWriteReg( RTL_REG_CR, 1<<RTL_CR_STA | 1<<RTL_CR_RD2 );
446 
+  if( bnry != curr )
447 
+    // fetch and process a single received packet
448 
+    RtlRecv( );
449 
+
450 
+  // reset interrupt bits of RTL8019
451 
+  RtlWriteReg( RTL_REG_ISR, 1<<RTL_ISR_PRX | 1<<RTL_ISR_PTX |
452 
+                          1<<RTL_ISR_RXE | 1<<RTL_ISR_TXE |
453 
+                          1<<RTL_ISR_OVW | 1<<RTL_ISR_CNT |
454 
+                          1<<RTL_ISR_RDC | 1<<RTL_ISR_RST );
455 
+
456 
+  // put RTL8019 in default state (default page selected, ...)
457 
+  RtlWriteReg( RTL_REG_CR, 1<<RTL_CR_STA | 1<<RTL_CR_RD2 );
458 
+
459 
+  // clear reinitialization timeout
460 
+  RtlReinitTimeout = 0;
461 
+}
462 
+
463 
+// write an ethernet frame to the RTL8019
464 
+void RtlWriteFrame( unsigned char * pData, unsigned short Length ) // (extern)
465 
+{
466 
+  unsigned char val;
467 
+
468 
+  debug_rtl8019_printf( "send len=%u", Length );
469 
+
470 
+  // initialize RTL8019 to transmit
471 
+  RtlWriteReg( RTL_REG_CR, 1<<RTL_CR_STA | 1<<RTL_CR_RD2 );
472 
+  RtlWriteReg( RTL_REG_TPSR, RTL_VAL_TXSTART );
473 
+  RtlWriteReg( RTL_REG_RSAR0, 0x00 );
474 
+  RtlWriteReg( RTL_REG_RSAR1, RTL_VAL_TXSTART );
475 
+  RtlWriteReg( RTL_REG_ISR, 1<<RTL_ISR_PRX | 1<<RTL_ISR_PTX |
476 
+                          1<<RTL_ISR_RXE | 1<<RTL_ISR_TXE |
477 
+                          1<<RTL_ISR_OVW | 1<<RTL_ISR_CNT |
478 
+                          1<<RTL_ISR_RDC | 1<<RTL_ISR_RST );
479 
+  if( Length < 0x3C ) // minimal length is 60 bytes
480 
+  {
481 
+    RtlWriteReg( RTL_REG_RBCR0, 0x3C );
482 
+    RtlWriteReg( RTL_REG_RBCR1, 0x00 );
483 
+  }
484 
+  else
485 
+  {
486 
+    RtlWriteReg( RTL_REG_RBCR0, (unsigned char)Length );
487 
+    RtlWriteReg( RTL_REG_RBCR1, (unsigned char)(Length >> 8) );
488 
+  }
489 
+  RtlWriteReg( RTL_REG_CR, 1<<RTL_CR_STA | 1<<RTL_CR_RD1 );
490 
+
491 
+  // write data to RTL8019
492 
+  RtlWriteRegBuf( RTL_REG_RDMAPORT, pData, Length );
493 
+  if( Length < 0x3C ) // padding
494 
+  RtlWriteRegConst( RTL_REG_RDMAPORT, 0x00, 0x3C - Length );
495 
+
496 
+  // wait for RTL8019
497 
+  do
498 
+  {
499 
+    RtlReadReg( RTL_REG_ISR, &val );
500 
+  }
501 
+  while( (val & 1<<RTL_ISR_RDC) == 0x00 );
502 
+
503 
+  // start transmission
504 
+  if( Length < 0x3C ) // minimal length is 60 bytes
505 
+  {
506 
+    RtlWriteReg( RTL_REG_TBCR0, 0x3C );
507 
+    RtlWriteReg( RTL_REG_TBCR1, 0x00 );
508 
+  }
509 
+  else
510 
+  {
511 
+    RtlWriteReg( RTL_REG_TBCR0, (unsigned char)Length );
512 
+    RtlWriteReg( RTL_REG_TBCR1, (unsigned char)(Length >> 8) );
513 
+  }
514 
+  RtlWriteReg( RTL_REG_CR, 1<<RTL_CR_TXP | 1<<RTL_CR_RD2 );
515 
+}
516 
+
517 
+// read an ethernet frame from the RTL8019
518 
+// *pLength must be initialized to the buffer size
519 
+void RtlReadFrame( unsigned char * pData, unsigned short * pLength ) // (extern)
520 
+{
521 
+  unsigned char tmp1, tmp2;
522 
+  unsigned short read_len, len, cnt;
523 
+
524 
+  // get size of received packet
525 
+  RtlWriteReg( RTL_REG_CR, 1<<RTL_CR_STA | 1<<RTL_CR_RD0 | 1<<RTL_CR_RD1 );
526 
+  RtlReadReg( RTL_REG_RDMAPORT, &tmp1 );
527 
+  RtlReadReg( RTL_REG_RDMAPORT, &tmp1 );
528 
+  RtlReadReg( RTL_REG_RDMAPORT, &tmp1 );
529 
+  RtlReadReg( RTL_REG_RDMAPORT, &tmp2 );
530 
+  read_len = ((unsigned short)tmp2 << 8 | (unsigned short)tmp1);
531 
+
532 
+  // subtract length of CRC (4 bytes)
533 
+  len = read_len < 4 ? 0 : read_len - 4;
534 
+
535 
+  debug_rtl8019_printf( "recv len=%u", len );
536 
+
537 
+  // read as much data as possible into buffer
538 
+  cnt = min( len, *pLength );
539 
+  RtlReadRegBuf( RTL_REG_RDMAPORT, pData, cnt );
540 
+  *pLength = cnt;
541 
+
542 
+  // get rest of data (rest of real data that did not fit into buffer, CRC)
543 
+  if( read_len > cnt )
544 
+    RtlReadRegMulti( RTL_REG_RDMAPORT, read_len - cnt );
545 
+}
546 
+
firmware.dartboard/rtl8019.h
View file @ e8658d5
... ... 
@@ -0,0 +1,31 @@
1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#ifndef INC_rtl8019
9 
+#define INC_rtl8019
10 
+
11 
+// initialize
12 
+extern void RtlInit( void );
13 
+
14 
+// re-initialize RT8019 (i.e. if MAC changed)
15 
+extern void RtlReinit( void );
16 
+
17 
+// tick procedure - call every 200ms
18 
+extern void RtlTick200( void );
19 
+
20 
+// task function to do the work - call from main loop
21 
+extern void RtlTask( void );
22 
+
23 
+// write an ethernet frame to the RTL8019
24 
+extern void RtlWriteFrame( unsigned char * pData, unsigned short Length );
25 
+
26 
+// read an ethernet frame from the RTL8019
27 
+// *pLength must be initialized to the buffer size
28 
+extern void RtlReadFrame( unsigned char * pData, unsigned short * pLength );
29 
+
30 
+#endif // #ifndef INC_rtl8019
31 
+
firmware.dartboard/soap/client.php
View file @ e8658d5
... ... 
@@ -0,0 +1,59 @@
1 
+<?php
2 
+include("nb_easyxml_lite.php");
3 
+include("nb_soapfuncs.php");
4 
+
5 
+/********* Data structures used by this web service *********
6 
+*
7 
+* type GetHitResult{
8 
+*     ['factor']=>{
9 
+*     }
10 
+*     ['value']=>{
11 
+*     }
12 
+* }
13 
+*
14 
+*/
15 
+
16 
+class service
17 
+{
18 
+    var $Url;
19 
+
20 
+/**
21 
+* web service consumer method GetHit
22 
+*
23 
+* @param timeout : unsigned
24 
+* @return GetHitResult
25 
+*/
26 
+    function GetHit($timeout) // returns a GetHitResult
27 
+    {
28 
+        $soapXML = "<soap:Body>\n";
29 
+        $soapXML .= "<GetHit xmlns=\"http://localhost:8080/dart\">\n";
30 
+        // Parameter unsigned timeout
31 
+        $soapXML .= $this->soapify_unsigned($timeout, "timeout");
32 
+        $soapXML .= "</GetHit>\n";
33 
+        $soapXML .= "</soap:Body>\n";
34 
+        $soapXML = nbSOAP_Envelope($soapXML);
35 
+        // Send the request (syncronous http 1.0 only at the moment)
36 
+        $soapOut = nbSOAP_request10($this->Url, "http://localhost:8080/dart/GetHit", $soapXML);
37 
+    // is it an error?
38 
+        $soapStart = strpos($soapOut, "<?xml");
39 
+        if($soapStart==-1)
40 
+          return false;
41 
+        $xml = nb_easyxmldoc(substr($soapOut,$soapStart));
42 
+        $body = $xml->findElement("Body", 0, "http://schemas.xmlsoap.org/soap/envelope/");
43 
+        $cp = $xml->FindChildElement($body);
44 
+        if($cp==false) // empty soap:Body
45 
+            return null;
46 
+        $tn = $xml->getName($cp);
47 
+        if($tn=="Fault") // should really report it...
48 
+            return desoap_nbSOAPFault($xml, $cp);
49 
+        if($tn != "GetHitResponse")
50 
+            return null;
51 
+        $cp = $xml->FindChildElement($cp);
52 
+        if($cp==false) // empty value
53 
+            return null;
54 
+        $result = $this->desoap_GetHitResult($xml, $cp, "GetHit");
55 
+        return $result;
56 
+    }
57 
+
58 
+}
59 
+?>
firmware.dartboard/soap/client.py
View file @ e8658d5
... ... 
@@ -0,0 +1,4 @@
1 
+from SOAPpy import SOAPProxy
2 
+server = SOAPProxy('http://localhost:8080/')
3 
+print server.GetHit(5)
4 
+
firmware.dartboard/soap/dart.wsdl
View file @ e8658d5
... ... 
@@ -0,0 +1,56 @@
1 
+<?xml version="1.0" encoding="UTF-8"?>
2 
+<definitions name="DartService"
3 
+   targetNamespace="http://stefan.blinkenarea.org/flaneth/dartboard/"
4 
+   xmlns="http://schemas.xmlsoap.org/wsdl/"
5 
+   xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/"
6 
+   xmlns:tns="http://stefan.blinkenarea.org/flaneth/dartboard-mod/soap"
7 
+   xmlns:xsd="http://www.w3.org/2001/XMLSchema">
8 
+
9 
+   <message name="GetHit">
10 
+      <part name="timeout" type="xsd:nonNegativeInteger">
11 
+        <documentation>time in seconds to wait for a hit</documentation>
12 
+      </part>
13 
+   </message>
14 
+   <message name="GetHitResponse">
15 
+      <part name="factor" type="xsd:positiveInteger">
16 
+        <documentation>factor of the hit field</documentation>
17 
+      </part>
18 
+      <part name="value" type="xsd:positiveInteger">
19 
+        <documentation>value of the hit field</documentation>
20 
+      </part>
21 
+   </message>
22 
+
23 
+   <portType name="GetHitPortType">
24 
+      <operation name="GetHitOperation">
25 
+         <input message="tns:GetHit"/>
26 
+         <output message="tns:GetHitResponse"/>
27 
+      </operation>
28 
+   </portType>
29 
+
30 
+   <binding name="GetHitBinding" type="tns:GetHitPortType">
31 
+      <soap:binding style="rpc"
32 
+         transport="http://schemas.xmlsoap.org/soap/http"/>
33 
+      <operation name="GetHitOperation">
34 
+         <soap:operation soapAction="GetHitAction"/>
35 
+         <input>
36 
+            <soap:body
37 
+               encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"
38 
+               use="encoded"/>
39 
+         </input>
40 
+         <output>
41 
+            <soap:body
42 
+               encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"
43 
+               use="encoded"/>
44 
+         </output>
45 
+      </operation>
46 
+   </binding>
47 
+
48 
+   <service name="GetHitService">
49 
+      <documentation>WSDL File for GetHitService of flaneth dartboard mod</documentation>
50 
+      <port binding="tns:GetHitBinding" name="GetHitPort">
51 
+         <soap:address
52 
+            location="http://flaneth-dartboard-mod:80/"/>
53 
+      </port>
54 
+   </service>
55 
+</definitions>
56 
+
firmware.dartboard/soap/hdr_req
View file @ e8658d5
... ... 
@@ -0,0 +1,12 @@
1 
+POST /dart HTTP/1.0
2 
+content-length: 304
3 
+
4 
+<soap:Envelope
5 
+    xmlns:soap="http://www.w3.org/2001/12/soap-envelope/"
6 
+    soap:encodingStyle="http://www.w3.org/2001/12/soap-encoding">
7 
+  <soap:Body xmlns="http://stefan.blinkenarea.org/flaneth/dartboard-mod/soap">
8 
+    <GetHit>
9 
+      <timeout>5</timeout>
10 
+    </GetHit>
11 
+  </soap:Body>
12 
+</soap:Envelope>
firmware.dartboard/soap/req
View file @ e8658d5
... ... 
@@ -0,0 +1,9 @@
1 
+<soap:Envelope
2 
+    xmlns:soap="http://www.w3.org/2001/12/soap-envelope/"
3 
+    soap:encodingStyle="http://www.w3.org/2001/12/soap-encoding">
4 
+  <soap:Body xmlns="http://stefan.blinkenarea.org/flaneth/dartboard-mod/soap">
5 
+    <GetHit>
6 
+      <timeout>5</timeout>
7 
+    </GetHit>
8 
+  </soap:Body>
9 
+</soap:Envelope>
firmware.dartboard/soap/request
View file @ e8658d5
... ... 
@@ -0,0 +1,17 @@
1 
+POST / HTTP/1.0
2 
+Host: localhost:8080
3 
+User-agent: SOAPpy 0.11.3 (pywebsvcs.sf.net)
4 
+Content-type: text/xml; charset="UTF-8"
5 
+Content-length: 485
6 
+SOAPAction: "GetHit"
7 
+
8 
+<?xml version="1.0" encoding="UTF-8"?>
9 
+<SOAP-ENV:Envelope SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/" xmlns:xsi="http://www.w3.org/1999/XMLSchema-instance" xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsd="http://www.w3.org/1999/XMLSchema">
10 
+<SOAP-ENV:Body>
11 
+<GetHit SOAP-ENC:root="1">
12 
+<v1>
13 
+<timeout xsi:type="xsd:int">5</timeout>
14 
+</v1>
15 
+</GetHit>
16 
+</SOAP-ENV:Body>
17 
+</SOAP-ENV:Envelope>
firmware.dartboard/soap/resp1
View file @ e8658d5
... ... 
@@ -0,0 +1,10 @@
1 
+<soap:Envelope
2 
+    xmlns:soap="http://www.w3.org/2001/12/soap-envelope/"
3 
+    soap:encodingStyle="http://www.w3.org/2001/12/soap-encoding">
4 
+  <soap:Body xmlns="http://stefan.blinkenarea.org/flaneth/dartboard-mod/soap">
5 
+    <GetHitResponse>
6 
+      <factor>2</factor>
7 
+      <value>25</value>
8 
+    </GetHitResponse>
9 
+  </soap:Body>
10 
+</soap:Envelope>
firmware.dartboard/soap/resp2
View file @ e8658d5
... ... 
@@ -0,0 +1,10 @@
1 
+<soap:Envelope
2 
+    xmlns:soap="http://www.w3.org/2001/12/soap-envelope/"
3 
+    soap:encodingStyle="http://www.w3.org/2001/12/soap-encoding">
4 
+  <soap:Body xmlns="http://stefan.blinkenarea.org/flaneth/dartboard-mod/soap">
5 
+    <GetHitResponse>
6 
+      <factor>1</factor>
7 
+      <value>1</value>
8 
+    </GetHitResponse>
9 
+  </soap:Body>
10 
+</soap:Envelope>
firmware.dartboard/soap/resp3
View file @ e8658d5
... ... 
@@ -0,0 +1,8 @@
1 
+<soap:Envelope
2 
+    xmlns:soap="http://www.w3.org/2001/12/soap-envelope/"
3 
+    soap:encodingStyle="http://www.w3.org/2001/12/soap-encoding">
4 
+  <soap:Body xmlns="http://stefan.blinkenarea.org/flaneth/dartboard-mod/soap">
5 
+    <GetHitResponse>
6 
+    </GetHitResponse>
7 
+  </soap:Body>
8 
+</soap:Envelope>
firmware.dartboard/soap/response
View file @ e8658d5
... ... 
@@ -0,0 +1,17 @@
1 
+HTTP/1.0 200 OK
2 
+Server: <a href="http://pywebsvcs.sf.net">SOAPpy 0.11.3</a> (Python 2.4.4)
3 
+Date: Sun, 09 Nov 2008 19:23:10 GMT
4 
+Content-type: text/xml; charset="UTF-8"
5 
+Content-length: 564
6 
+
7 
+<?xml version="1.0" encoding="UTF-8"?>
8 
+<SOAP-ENV:Envelope SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/" xmlns:xsi="http://www.w3.org/1999/XMLSchema-instance" xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsd="http://www.w3.org/1999/XMLSchema">
9 
+<SOAP-ENV:Body>
10 
+<GetHitResponse SOAP-ENC:root="1">
11 
+<Result SOAP-ENC:arrayType="xsd:int[2]" xsi:type="SOAP-ENC:Array">
12 
+<factor>2</factor>
13 
+<value>25</value>
14 
+</Result>
15 
+</GetHitResponse>
16 
+</SOAP-ENV:Body>
17 
+</SOAP-ENV:Envelope>
firmware.dartboard/soap/server.php
View file @ e8658d5
... ... 
@@ -0,0 +1,91 @@
1 
+<?php
2 
+include("nb_easyxml_lite.php");
3 
+include("nb_soapfuncs.php");
4 
+
5 
+/********* Data structures used by this web service *********
6 
+*
7 
+* type GetHitResult{
8 
+*     ['factor']=>{
9 
+*     }
10 
+*     ['value']=>{
11 
+*     }
12 
+* }
13 
+*
14 
+*/
15 
+
16 
+class service extends service_nbSOAP
17 
+{
18 
+    var $Url;
19 
+
20 
+/**
21 
+* web service provider method GetHit
22 
+*
23 
+* @param timeout : unsigned
24 
+* @return GetHitResult
25 
+*/
26 
+    function GetHit($timeout)
27 
+    {
28 
+    	return new nbSOAPFault("unimplemented", "The GetHitservice has not been implemented yet", "");
29 
+        // Fill in web method fuctionality here.
30 
+        // return a GetHitResult
31 
+    }
32 
+
33 
+}
34 
+
35 
+/********************* Do not alter the generated code below ************************/
36 
+
37 
+if($_SERVER['REQUEST_METHOD']=="GET")
38 
+{
39 
+  echo "information call, front page, WSDL or function info. ";
40 
+  echo "All this functionality still has to be written...";
41 
+}
42 
+else
43 
+{
44 
+    $in = file_get_contents("php://input");
45 
+    $action = $_SERVER['HTTP_SOAPACTION'];
46 
+    $action = str_replace("\\\"","",$action);
47 
+    $SoapClass = new service();
48 
+    $soapXML = $SoapClass->PerformSoapAction($in, $action);
49 
+    $soapXML = nbSOAP_Envelope($soapXML);
50 
+    header("Content-Type: text/xml; charset=utf-8");
51 
+    echo $soapXML;
52 
+}
53 
+
54 
+class service_nbSOAP //extends nbSOAP
55 
+{
56 
+    function PerformSoapAction($in, $action)
57 
+    {
58 
+        $xml = nb_easyxmldoc($in);
59 
+        $body = $xml->findElement("Body", 0, "http://schemas.xmlsoap.org/soap/envelope/");
60 
+        if($body == false)
61 
+            return "<soap:Fault><faultstring>SOAP body not found</faultstring></soap:Fault>";
62 
+        $params = $xml->findChildElement($body);
63 
+        switch($action)
64 
+        {
65 
+        case "http://localhost:8080/dart/GetHit":
66 
+            // deserialize parameters
67 
+            $pidx = $xml->findChildElement($params, "timeout");
68 
+            if($pidx != false)
69 
+              $p_timeout = $this->desoap_unsigned($xml, $pidx, "timeout");
70 
+            else
71 
+                $p_timeout = null;
72 
+            // call the method
73 
+            $res = $this->GetHit($p_timeout);
74 
+            if(is_a($res,"nbSOAPFault"))
75 
+            {
76 
+                return "<soap:Body>\n" . $res->soapify() . "</soap:Body>";
77 
+            }
78 
+            // serialize the result
79 
+            $soapXML = $this->soapify_GetHitResult($res, "GetHit");
80 
+            $soapXML = "<GetHitResponse xmlns=\"http://localhost:8080/dart\">" . $soapXML;
81 
+            $soapXML .= "</GetHitResponse>";
82 
+            return "<soap:Body>\n" . $soapXML . "</soap:Body>";
83 
+            break;
84 
+        default:
85 
+            return "<soap:Fault><faultstring>Unrecognised SOAP action called.</faultstring></soap:Fault>";
86 
+            break;
87 
+        }
88 
+    }
89 
+
90 
+}
91 
+?>
firmware.dartboard/soap/server.py
View file @ e8658d5
... ... 
@@ -0,0 +1,9 @@
1 
+import SOAPpy
2 
+
3 
+def GetHit( timeout ):
4 
+  return ( 2, 25 )
5 
+
6 
+server = SOAPpy.SOAPServer( ("localhost", 8080) )
7 
+server.registerFunction( GetHit )
8 
+server.serve_forever( )
9 
+
firmware.dartboard/status.c
View file @ e8658d5
... ... 
@@ -0,0 +1,62 @@
1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#include <avr/io.h>
9 
+
10 
+#include "macros.h"
11 
+#include "status.h"
12 
+
13 
+// IO pins of bus
14 
+#define STATUS_DDR (DDRE)
15 
+#define STATUS_PORT (PORTE)
16 
+#define STATUS_BIT (2)
17 
+
18 
+// status information
19 
+char StatusInfoCfPresent = 0; // presence of working compact flash card (boolean) (extern)
20 
+
21 
+// number of times to blink status LED
22 
+#define StatusBlinkCntIdle (1)
23 
+#define StatusBlinkCntIdleWithCf (2)
24 
+#define StatusBlinkCntWorking (3)
25 
+#define StatusBlinkCntMax (3)
26 
+unsigned char StatusBlinkCnt = StatusBlinkCntIdle;
27 
+
28 
+// interval counter for blinking status LED
29 
+unsigned char StatusBlinkInterval = 0;
30 
+
31 
+// initialize
32 
+void StatusInit( void )
33 
+{
34 
+  //set up IO pin of status LED as output
35 
+  bit_clear( STATUS_PORT, STATUS_BIT );
36 
+  bit_set( STATUS_DDR, STATUS_BIT );
37 
+}
38 
+
39 
+// tick procedure - call every 200ms
40 
+void StatusTick200( void )
41 
+{
42 
+  // turn on status LED only in even intervals and if not yet blinked StatusBlinkCnt times
43 
+  if( (StatusBlinkInterval & 0x01) == 0 && StatusBlinkInterval >> 1 < StatusBlinkCnt )
44 
+    bit_set( STATUS_PORT, STATUS_BIT );
45 
+  else
46 
+    bit_clear( STATUS_PORT, STATUS_BIT );
47 
+
48 
+  // next interval
49 
+  StatusBlinkInterval++;
50 
+
51 
+  // blink cycle finished
52 
+  if( StatusBlinkInterval >> 1 > StatusBlinkCntMax ) {
53 
+    StatusBlinkInterval = 0;
54 
+
55 
+    // set new blink count depending on status information
56 
+    if( StatusInfoCfPresent )
57 
+      StatusBlinkCnt = StatusBlinkCntIdleWithCf;
58 
+    else
59 
+      StatusBlinkCnt = StatusBlinkCntIdle;
60 
+  }
61 
+}
62 
+
firmware.dartboard/status.h
View file @ e8658d5
... ... 
@@ -0,0 +1,21 @@
1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#ifndef INC_status
9 
+#define INC_status
10 
+
11 
+// status information
12 
+extern char StatusInfoCfPresent; // presence of working compact flash card (boolean)
13 
+
14 
+// initialize
15 
+extern void StatusInit( void );
16 
+
17 
+// tick procedure - call every 200ms
18 
+extern void StatusTick200( void );
19 
+
20 
+#endif // #ifdef INC_status
21 
+
firmware.dartboard/tcp.c
View file @ e8658d5
... ... 
@@ -0,0 +1,1058 @@
1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#include <stdio.h>
9 
+
10 
+#include "config.h"
11 
+#include "checksum.h"
12 
+#include "debug.h"
13 
+#include "ethernet.h"
14 
+#include "http.h"
15 
+#include "ip.h"
16 
+#include "macros.h"
17 
+#include "nethelp.h"
18 
+#include "random.h"
19 
+#include "tcp.h"
20 
+
21 
+#define TCP_URG 0x20
22 
+#define TCP_ACK 0x10
23 
+#define TCP_PSH 0x08
24 
+#define TCP_RST 0x04
25 
+#define TCP_SYN 0x02
26 
+#define TCP_FIN 0x01
27 
+#define TCP_FLAGS 0x3F
28 
+
29 
+#define TcpResendTicks 5 // time after which to resend a packet not ACKed (in 200ms steps, max. 255)
30 
+#define TcpTimeWaitTicks 20 // time to wait in TIME_WAIT state (in 200ms steps, max. 255)
31 
+#define TcpTimeoutTicks 250 // maximum idle time of connection before it is reset (in 200ms steps, max. 255)
32 
+#define TcpMaxLifeTimeTicks 250 // maximum lifetime of connection before it is reset (in 200ms steps, max. 255)
33 
+
34 
+// TCP connections
35 
+struct TcpConnection TcpConns[8];
36 
+
37 
+// initialize
38 
+void TcpInit( void ) // (extern)
39 
+{
40 
+  unsigned char i;
41 
+
42 
+  // set all connections to closed
43 
+  for( i = 0; i < count( TcpConns ); i++ )
44 
+    TcpConns[i].State = TCP_CLOSED;
45 
+}
46 
+
47 
+// send a TCP packet
48 
+// pData must point to a struct TcpPacket with TcpHdr.SrcPort, TcpHdr.DestPort,
49 
+// TcpHdr.SeqNo, TcpHdr.AckNo, TcpHdr.WndSz and IpHdr.Dest already initialized
50 
+static void TcpSendPacket( unsigned char * pData, unsigned short Length, unsigned char optLen, unsigned char flags )
51 
+{
52 
+  struct TcpPacket * pTcpPack;
53 
+  unsigned int chk;
54 
+
55 
+  // packet too short
56 
+  if( Length < sizeof( struct TcpPacket ) + optLen )
57 
+    return;
58 
+
59 
+  // convert pointer to UDP packet
60 
+  // (this saves us from always casting pData)
61 
+  pTcpPack = (struct TcpPacket *)pData;
62 
+
63 
+  debug_tcp_printf( "send src=%u dest=%u flags=%s%s%s%s%s%s len=%u",
64 
+                    ntohs( pTcpPack->TcpHdr.SrcPort ),
65 
+                    ntohs( pTcpPack->TcpHdr.DestPort ),
66 
+                    flags & TCP_URG ? "U" : "",
67 
+                    flags & TCP_ACK ? "A" : "",
68 
+                    flags & TCP_PSH ? "P" : "",
69 
+                    flags & TCP_RST ? "R" : "",
70 
+                    flags & TCP_SYN ? "S" : "",
71 
+                    flags & TCP_FIN ? "F" : "",
72 
+                    Length );
73 
+
74 
+  // fill in header values
75 
+  pTcpPack->TcpHdr.Ofs_Flags = htons( (unsigned short)((optLen + 23) & 0x3C) << 10 | (unsigned short)(flags & TCP_FLAGS) );
76 
+  pTcpPack->TcpHdr.Chk = 0x0000;
77 
+  pTcpPack->TcpHdr.UrgentPtr = 0x0000;
78 
+  ip_cpy( pTcpPack->IpHdr.Src, ConfigIp ); // put IP already here into IP header
79 
+                                           // because it is needed for calculation of UDP checksum
80 
+
81 
+  // generate checksum
82 
+  chk = Checksum( (unsigned char *)&pTcpPack->IpHdr.Src,
83 
+                  Length - sizeof( struct EthernetHeader ) - sizeof( struct IpHeader ) + 8,
84 
+                  0x0006,
85 
+                  Length - sizeof( struct EthernetHeader ) - sizeof( struct IpHeader ) );
86 
+  pTcpPack->TcpHdr.Chk = htons( chk );
87 
+
88 
+  // send TCP packet
89 
+  pTcpPack->IpHdr.Proto = 0x06; // TCP
90 
+  IpSend( pData, Length );
91 
+}
92 
+
93 
+// send an empty segment
94 
+static void TcpEmptySegment( struct TcpConnection * pConn, unsigned long seq, unsigned long ack, unsigned char flags )
95 
+{
96 
+  struct TcpPacket EsPack;
97 
+
98 
+  // send empty TCP segment
99 
+  EsPack.TcpHdr.SrcPort = htons( pConn->LocalPort );
100 
+  EsPack.TcpHdr.DestPort = htons( pConn->RemotePort );
101 
+  EsPack.TcpHdr.SeqNo = htonl( seq );
102 
+  EsPack.TcpHdr.AckNo = htonl( ack );
103 
+  EsPack.TcpHdr.WndSz = htons( pConn->RcvWnd );
104 
+  ip_cpy( EsPack.IpHdr.Dest, pConn->RemoteIp );
105 
+  TcpSendPacket( (unsigned char *)&EsPack, sizeof( EsPack ), 0, flags );
106 
+  return;
107 
+}
108 
+
109 
+// send a SYN segment (empty with MSS option set)
110 
+static void TcpSynSegment( struct TcpConnection * pConn, unsigned long seq, unsigned long ack, unsigned char flags )
111 
+{
112 
+  struct
113 
+  {
114 
+    struct TcpPacket Tcp;
115 
+    struct
116 
+    {
117 
+      unsigned char Kind, Len;
118 
+      unsigned short Mss;
119 
+    } MssOpt;
120 
+  } Pack;
121 
+
122 
+  // send empty TCP segment with MSS
123 
+  Pack.Tcp.TcpHdr.SrcPort = htons( pConn->LocalPort );
124 
+  Pack.Tcp.TcpHdr.DestPort = htons( pConn->RemotePort );
125 
+  Pack.Tcp.TcpHdr.SeqNo = htonl( seq );
126 
+  Pack.Tcp.TcpHdr.AckNo = htonl( ack );
127 
+  Pack.Tcp.TcpHdr.WndSz = htons( pConn->RcvWnd );
128 
+  ip_cpy( Pack.Tcp.IpHdr.Dest, pConn->RemoteIp );
129 
+  Pack.MssOpt.Kind = 2;
130 
+  Pack.MssOpt.Len = 4;
131 
+  Pack.MssOpt.Mss = htons( 256 );
132 
+  TcpSendPacket( (unsigned char *)&Pack, sizeof( Pack ), sizeof( Pack.MssOpt ), flags );
133 
+  return;
134 
+}
135 
+
136 
+// send a data segment
137 
+static void TcpSendDataSegment( unsigned char connNo, struct TcpConnection * pConn, char needSendAck )
138 
+{
139 
+  unsigned long sendDataLenL;
140 
+  unsigned short sendDataLen, len;
141 
+  struct
142 
+  {
143 
+    struct TcpPacket Tcp;
144 
+    unsigned char Data[256]; // do not use larger segments to save stack memory
145 
+  } Packet;
146 
+
147 
+  // if outbound connection is not closed yet
148 
+  if( pConn->State == TCP_ESTAB || pConn->State == TCP_CLOSE_WAIT )
149 
+  {
150 
+    // get maximum number of bytes that might be sent in this segment
151 
+    sendDataLenL = (unsigned long)pConn->SndWnd - (pConn->SndNxt - pConn->SndUna);
152 
+    if( (signed long)sendDataLenL < 0 ) // just to be on the safe side - this should never happen
153 
+      sendDataLen = 0;
154 
+    sendDataLen = (unsigned short)min( sendDataLenL, (unsigned long)pConn->Mss );
155 
+    sendDataLen = min( sendDataLen, sizeof( Packet.Data ) );
156 
+    // get data to send from user
157 
+    if( sendDataLen > 0 )
158 
+    {
159 
+      debug_tcp_printf( "notify send no=%u pos=%lu max_len=%u",
160 
+                        connNo, pConn->SndNxt - (pConn->Iss + 1), sendDataLen );
161 
+      len = pConn->Notify->Send( connNo, pConn->SndNxt - (pConn->Iss + 1), Packet.Data, sendDataLen );
162 
+      if( len > sendDataLen ) // returned 0xFFFF (or any number too large) to close connection
163 
+      {
164 
+        debug_tcp_printf( "notify send no=%u close", connNo );
165 
+        TcpEmptySegment( pConn, pConn->SndNxt, pConn->RcvNxt, TCP_FIN | TCP_ACK ); // send TCP FIN
166 
+        pConn->SndNxt++;
167 
+        pConn->State = TCP_FIN_WAIT_1; // go to state FIN-WAIT-1
168 
+        debug_tcp_printf( "notify close no=%u", connNo );
169 
+        pConn->Notify->Close( connNo ); // signal "connection closed" to user
170 
+        return;
171 
+      }
172 
+      debug_tcp_printf( "notify send no=%u len=%u", connNo, len );
173 
+      sendDataLen = len;
174 
+    }
175 
+  }
176 
+  // if outbound connection is already closed
177 
+  else
178 
+    // do not send data
179 
+    sendDataLen = 0;
180 
+
181 
+  // send a segment if data is available or an ACK needs to be sent
182 
+  if( sendDataLen > 0 || needSendAck )
183 
+  {
184 
+    // send TCP segment
185 
+    Packet.Tcp.TcpHdr.SrcPort = htons( pConn->LocalPort );
186 
+    Packet.Tcp.TcpHdr.DestPort = htons( pConn->RemotePort );
187 
+    Packet.Tcp.TcpHdr.SeqNo = htonl( pConn->SndNxt );
188 
+    Packet.Tcp.TcpHdr.AckNo = htonl( pConn->RcvNxt );
189 
+    Packet.Tcp.TcpHdr.WndSz = htons( pConn->RcvWnd );
190 
+    ip_cpy( Packet.Tcp.IpHdr.Dest, pConn->RemoteIp );
191 
+    TcpSendPacket( (unsigned char *)&Packet, sizeof( struct TcpPacket ) + sendDataLen, 0,
192 
+                   sendDataLen > 0 ? TCP_ACK | TCP_PSH : TCP_ACK );
193 
+    pConn->SndNxt += sendDataLen;
194 
+  }
195 
+}
196 
+
197 
+// tick procedure - call every 200ms
198 
+void TcpTick200( void ) // (extern)
199 
+{
200 
+  unsigned char i, MaxTicks;
201 
+
202 
+  // for all active connections
203 
+  for( i = 0; i < count( TcpConns ); i++ )
204 
+  {
205 
+
206 
+    if( TcpConns[i].State != TCP_CLOSED )
207 
+    {
208 
+      // increase normal timer
209 
+      TcpConns[i].Ticks++;
210 
+
211 
+      // get maximum value for normal timer
212 
+      MaxTicks = TcpConns[i].State == TCP_TIME_WAIT ? TcpTimeWaitTicks : TcpResendTicks;
213 
+      // normal timer elapsed
214 
+      if( TcpConns[i].Ticks >= MaxTicks )
215 
+      {
216 
+        // reset normal timer
217 
+        TcpConns[i].Ticks = 0;
218 
+
219 
+        // different behaviour in different states
220 
+        switch( TcpConns[i].State )
221 
+        {
222 
+
223 
+          case TCP_SYN_RCVD:
224 
+            // resend SYN,ACK segment
225 
+            TcpSynSegment( &TcpConns[i], TcpConns[i].SndUna, TcpConns[i].RcvNxt, TCP_SYN | TCP_ACK );
226 
+            TcpConns[i].SndNxt = TcpConns[i].SndUna + 1;
227 
+            break;
228 
+
229 
+          case TCP_SYN_SENT:
230 
+            // resend SYN segment
231 
+            TcpSynSegment( &TcpConns[i], TcpConns[i].SndUna, 0, TCP_SYN );
232 
+            TcpConns[i].SndNxt = TcpConns[i].SndUna + 1;
233 
+            break;
234 
+
235 
+          case TCP_ESTAB:
236 
+          case TCP_CLOSE_WAIT:
237 
+            // if something is not yet ACKed
238 
+            if( (long)(TcpConns[i].SndUna - TcpConns[i].SndNxt) < 0 ) {
239 
+              // resend data segment
240 
+              TcpConns[i].SndNxt = TcpConns[i].SndUna; // some kind of "go back N"
241 
+              // BUG: this is not really "go back N"
242 
+              // according to RFC793, every segment sent and not acknowledged has to be stored
243 
+              // in the resend queue until is is acknowledged
244 
+              // but this is not possible on a microcontroller with 4kB of RAM
245 
+              TcpSendDataSegment( i, &TcpConns[i], 0 );
246 
+            }
247 
+            break;
248 
+
249 
+          case TCP_FIN_WAIT_1:
250 
+          case TCP_CLOSING:
251 
+          case TCP_LAST_ACK:
252 
+            // resend FIN segment
253 
+            TcpEmptySegment( &TcpConns[i], TcpConns[i].SndUna, TcpConns[i].RcvNxt, TCP_FIN | TCP_ACK );
254 
+            TcpConns[i].SndNxt = TcpConns[i].SndUna + 1;
255 
+            break;
256 
+
257 
+          case TCP_TIME_WAIT:
258 
+            // close connection, free TCB
259 
+            TcpConns[i].State = TCP_CLOSED;
260 
+            break;
261 
+
262 
+        } // switch( TcpConns[i].State )
263 
+
264 
+      } // if( TcpConns[i].Ticks >= ...
265 
+
266 
+    } // if( TcpConns[i].State != ...
267 
+
268 
+    if( TcpConns[i].State != TCP_CLOSED )
269 
+    {
270 
+      // increase timeout timer
271 
+      TcpConns[i].Timeout++;
272 
+
273 
+      // timeout timer elapsed
274 
+      if( TcpConns[i].Timeout >= TcpTimeoutTicks )
275 
+      {
276 
+        // send a RST segment
277 
+        TcpEmptySegment( &TcpConns[i], TcpConns[i].SndUna, TcpConns[i].RcvNxt, TCP_RST );
278 
+        // depending on state ...
279 
+        switch( TcpConns[i].State )
280 
+        {
281 
+          case TCP_SYN_RCVD:
282 
+          case TCP_ESTAB:
283 
+          case TCP_CLOSE_WAIT:
284 
+            TcpConns[i].State = TCP_CLOSED; // close connection
285 
+            debug_tcp_printf( "notify close no=%u", i );
286 
+            TcpConns[i].Notify->Close( i ); // tell user that connection was closed
287 
+            break;
288 
+          default:
289 
+            TcpConns[i].State = TCP_CLOSED; // close connection
290 
+        }
291 
+
292 
+      } // if( TcpConns[i].Timeout >= ...
293 
+
294 
+    } // if( TcpConns[i].State != ...
295 
+
296 
+    if( TcpConns[i].State != TCP_CLOSED )
297 
+    {
298 
+      // increase lifetime timer
299 
+      TcpConns[i].LifeTime++;
300 
+
301 
+      // lifetime timer elapsed
302 
+      // - connections may not last forever - even not with traffic on them
303 
+      if( TcpConns[i].LifeTime >= TcpMaxLifeTimeTicks )
304 
+      {
305 
+        // send a RST segment
306 
+        TcpEmptySegment( &TcpConns[i], TcpConns[i].SndUna, TcpConns[i].RcvNxt, TCP_RST );
307 
+        // depending on state ...
308 
+        switch( TcpConns[i].State )
309 
+        {
310 
+          case TCP_SYN_RCVD:
311 
+          case TCP_ESTAB:
312 
+          case TCP_CLOSE_WAIT:
313 
+            TcpConns[i].State = TCP_CLOSED; // close connection
314 
+            debug_tcp_printf( "notify close no=%u", i );
315 
+            TcpConns[i].Notify->Close( i ); // tell user that connection was closed
316 
+            break;
317 
+          default:
318 
+            TcpConns[i].State = TCP_CLOSED; // close connection
319 
+        }
320 
+      } // if( TcpConns[i].LifeTime >= ...
321 
+
322 
+    } // if( TcpConns[i].State != ...
323 
+
324 
+  } // for( i ...
325 
+}
326 
+
327 
+// process a received TCP packet
328 
+void TcpRecv( unsigned char * pData, unsigned short Length ) // (extern)
329 
+{
330 
+  struct TcpPacket * pTcpPack;
331 
+  unsigned long seq, ack, seqEnd;
332 
+  unsigned short localPort, remotePort, wnd, mss, ofs, len, tmp, rcvWnd;
333 
+  unsigned char i, flags, * optPtr, optLen, connNo;
334 
+  struct TcpConnection * pConn;
335 
+  char accept, sendAck;
336 
+  struct TcpNotify * pNotify;
337 
+
338 
+  // packet too short
339 
+  if( Length < sizeof( struct TcpPacket ) )
340 
+    return;
341 
+
342 
+  // convert pointer to TCP packet
343 
+  // (this saves us from always casting pData)
344 
+  pTcpPack = (struct TcpPacket *)pData;
345 
+
346 
+  // test checksum
347 
+  if( Checksum( (unsigned char*)&pTcpPack->IpHdr.Src,
348 
+                Length - sizeof( struct EthernetHeader ) - sizeof( struct IpHeader ) + 8,
349 
+                0x0006,
350 
+                Length - sizeof( struct EthernetHeader ) - sizeof( struct IpHeader ) ) != 0 )
351 
+    return;
352 
+
353 
+  // get local and remote port
354 
+  localPort = ntohs( pTcpPack->TcpHdr.DestPort );
355 
+  remotePort = ntohs( pTcpPack->TcpHdr.SrcPort );
356 
+
357 
+  // ignore packets sent from or to port 0
358 
+  // - this might be some attack
359 
+  if( localPort == 0 || remotePort == 0 )
360 
+    return;
361 
+
362 
+  // get sequence number, acknowledge number and window size
363 
+  seq = ntohl( pTcpPack->TcpHdr.SeqNo );
364 
+  ack = ntohl( pTcpPack->TcpHdr.AckNo );
365 
+  wnd = ntohs( pTcpPack->TcpHdr.WndSz );
366 
+  // maximum segment size: liberal default according to RFC879
367 
+  mss = 536;
368 
+
369 
+  // get flags
370 
+  flags = ntohs( pTcpPack->TcpHdr.Ofs_Flags ) & 0x003F;
371 
+
372 
+  // get data offset and segment length in bytes
373 
+  ofs = (ntohs( pTcpPack->TcpHdr.Ofs_Flags ) & 0xF000) >> 10;
374 
+  if( ofs < 20 || ofs > Length - sizeof( struct EthernetHeader ) - sizeof( struct IpHeader ) ) // invalid offset
375 
+    return; // remote side is unable to build valid TCP packets - ignore
376 
+
377 
+  // get segment length (length of data in segment)
378 
+  len = Length - sizeof( struct EthernetHeader ) - sizeof( struct IpHeader ) - ofs;
379 
+
380 
+  debug_tcp_printf( "recv src=%u dest=%u flags=%s%s%s%s%s%s len=%u",
381 
+                    ntohs( pTcpPack->TcpHdr.SrcPort ),
382 
+                    ntohs( pTcpPack->TcpHdr.DestPort ),
383 
+                    flags & TCP_URG ? "U" : "",
384 
+                    flags & TCP_ACK ? "A" : "",
385 
+                    flags & TCP_PSH ? "P" : "",
386 
+                    flags & TCP_RST ? "R" : "",
387 
+                    flags & TCP_SYN ? "S" : "",
388 
+                    flags & TCP_FIN ? "F" : "",
389 
+                    Length );
390 
+
391 
+  // process options
392 
+  optLen = (unsigned char)(ofs - 20);
393 
+  optPtr = (unsigned char *)&pTcpPack->TcpHdr + sizeof( struct TcpHeader );
394 
+  while( optLen > 0 )
395 
+  {
396 
+    switch( *optPtr )
397 
+    {
398 
+      // end of options
399 
+      case 0:
400 
+        optLen = 0;
401 
+        break;
402 
+      // no operation
403 
+      case 1:
404 
+        optLen--;
405 
+        optPtr++;
406 
+        break;
407 
+      // maximum segment size
408 
+      case 2:
409 
+        if( optLen < 4 || optPtr[1] != 4 )
410 
+        {
411 
+          optPtr = NULL; // error
412 
+          optLen = 0;
413 
+          break;
414 
+        }
415 
+        mss = ntohs( *(unsigned short *)(optPtr+2) );
416 
+        optLen -= 4;
417 
+        optPtr += 4;
418 
+        break;
419 
+      // unknown option
420 
+      default:
421 
+        if( optLen < 2 || optPtr[1] > optLen )
422 
+        {
423 
+          optPtr = NULL; // error
424 
+          optLen = 0;
425 
+        }
426 
+        optLen -= optPtr[1]; // ignore this option
427 
+        optPtr += optPtr[1];
428 
+    } // switch( *optPtr )
429 
+  } // while( optLen > 0 )
430 
+  if( optPtr == NULL ) // some error during option parsing
431 
+    return; // remote side is unable to build valid TCP packets - ignore
432 
+
433 
+  // get sequence number at end of this segment
434 
+  seqEnd = seq + len;
435 
+  if( flags & TCP_SYN ) // TCP SYN counts as 1 in sequence number space
436 
+    seqEnd++;
437 
+  if( flags & TCP_FIN ) // TCP FIN counts as 1 in sequence number space
438 
+    seqEnd++;
439 
+
440 
+  // search connection
441 
+  for( i = 0; i < count( TcpConns ); i++ )
442 
+    if( TcpConns[i].State != TCP_CLOSED &&
443 
+        ip_eq( TcpConns[i].RemoteIp, pTcpPack->IpHdr.Src ) &&
444 
+        TcpConns[i].LocalPort == localPort &&
445 
+        TcpConns[i].RemotePort == remotePort )
446 
+      break;
447 
+
448 
+  // connection not found, only SYN flag set, no data
449 
+  if( i >= count( TcpConns ) && flags == TCP_SYN && len == 0 )
450 
+  {
451 
+    // accept connections on some ports (note: localPort cannot be 0 because of check above)
452 
+    rcvWnd = 0;
453 
+    pNotify = NULL;
454 
+    // HTTP
455 
+    if( localPort == ConfigHttpPort )
456 
+    {
457 
+      rcvWnd = 256; // connection shall be accepted
458 
+      pNotify = &HttpNotify;
459 
+    }
460 
+    // connection shall be accepted
461 
+    if( pNotify != NULL )
462 
+    {
463 
+      // search empty connection slot
464 
+      for( i = 0; i < count( TcpConns ); i++ )
465 
+        if( TcpConns[i].State == TCP_CLOSED )
466 
+          break;
467 
+      // free connection slot found
468 
+      if( i < count( TcpConns ) )
469 
+      {
470 
+        // create new connection (passive) in this slot
471 
+        ip_cpy( TcpConns[i].RemoteIp, pTcpPack->IpHdr.Src );
472 
+        TcpConns[i].LocalPort = localPort;
473 
+        TcpConns[i].RemotePort = remotePort;
474 
+        TcpConns[i].State = TCP_LISTEN;
475 
+        TcpConns[i].Ticks = 0;
476 
+        TcpConns[i].Timeout = 0;
477 
+        TcpConns[i].LifeTime = 0;
478 
+        TcpConns[i].RcvWnd = rcvWnd;
479 
+        TcpConns[i].Notify = pNotify;
480 
+      }
481 
+    }
482 
+  }
483 
+
484 
+  // connection still not found
485 
+  if( i >= count( TcpConns ) )
486 
+  {
487 
+    struct TcpPacket EsPack;
488 
+    unsigned char EsFlags;
489 
+
490 
+    // do nothing if RST flag is set
491 
+    if( flags & TCP_RST )
492 
+      return;
493 
+
494 
+    // send TCP RST
495 
+    EsPack.TcpHdr.SrcPort = htons( localPort );
496 
+    EsPack.TcpHdr.DestPort = htons( remotePort );
497 
+    EsPack.TcpHdr.WndSz = htons( 0 );
498 
+    ip_cpy( EsPack.IpHdr.Dest, pTcpPack->IpHdr.Src );
499 
+    if( flags & TCP_ACK )
500 
+    {
501 
+      EsPack.TcpHdr.SeqNo = htonl( ack );
502 
+      EsPack.TcpHdr.AckNo = htonl( 0 );
503 
+      EsFlags = TCP_RST;
504 
+    }
505 
+    else
506 
+    {
507 
+      EsPack.TcpHdr.SeqNo = htonl( 0 );
508 
+      EsPack.TcpHdr.AckNo = htonl( seqEnd );
509 
+      EsFlags = TCP_RST | TCP_ACK;
510 
+    }
511 
+    TcpSendPacket( (unsigned char *)&EsPack, sizeof( EsPack ), 0, EsFlags );
512 
+    return;
513 
+  }
514 
+
515 
+  // a connection was found - save number and pointer to it
516 
+  connNo = i;
517 
+  pConn = &TcpConns[i];
518 
+
519 
+  // reset connection on reception of urgent data (URG flag set)
520 
+  // BUG: urgent data must be supported according to RFC793
521 
+  // but urgent data is not used in protocols we use, so leave this out here to save time and memory
522 
+  if( flags & TCP_URG )
523 
+  {
524 
+    // send TCP RST
525 
+    if( flags & TCP_ACK )
526 
+      TcpEmptySegment( pConn, ack, 0, TCP_RST );
527 
+    else
528 
+      TcpEmptySegment( pConn, 0, seqEnd, TCP_RST | TCP_ACK );
529 
+    return;
530 
+  }
531 
+
532 
+  // different behaviour in different states according to RFC793
533 
+  switch( pConn->State )
534 
+  {
535 
+
536 
+    case TCP_LISTEN:
537 
+      if( flags & TCP_RST ) // An incoming RST should be ignored.
538 
+        return;
539 
+      if( flags & TCP_ACK ) // Any acknowledgment is bad if it arrives on a connection still in the LISTEN state.
540 
+      {
541 
+        TcpEmptySegment( pConn, ack, 0, TCP_RST ); // An acceptable reset segment should be formed for any arriving ACK-bearing segment.
542 
+        pConn->Ticks = 0; // restart timer
543 
+        return;
544 
+      }
545 
+      if( flags & TCP_SYN ) // third check for a SYN
546 
+      {
547 
+        pConn->RcvNxt = seq + 1; // Set RCV.NXT to SEG.SEQ+1,
548 
+        pConn->Irs = seq; // IRS is set to SEG.SEQ
549 
+        RandomGetData( (unsigned char *)&pConn->Iss, sizeof( pConn->Iss ) ); // ISS should be selected (randomly!!!)
550 
+        TcpSynSegment( pConn, pConn->Iss, pConn->RcvNxt, TCP_SYN | TCP_ACK ); // and a SYN segment sent
551 
+        pConn->SndNxt = pConn->Iss + 1; // SND.NXT is set to ISS+1
552 
+        pConn->SndUna = pConn->Iss; // and SND.UNA to ISS
553 
+        pConn->State = TCP_SYN_RCVD; // The connection state should be changed to SYN-RECEIVED.
554 
+        pConn->SndWnd = wnd; // initialize send window from packet
555 
+        pConn->SndWl1 = seq;
556 
+        pConn->SndWl2 = ack;
557 
+        pConn->Mss = mss; // save maximum segment size
558 
+        pConn->Ticks = 0; // restart timer
559 
+        return;
560 
+      }
561 
+      // fourth other text or control
562 
+      // So you are unlikely to get here, but if you do, drop the segment, and return.
563 
+      return;
564 
+
565 
+    case TCP_SYN_SENT:
566 
+      accept = 0;
567 
+      if( flags & TCP_ACK ) // If the ACK bit is set
568 
+      {
569 
+        if( (long)(ack - pConn->Iss) <= 0 || (long)(ack - pConn->SndNxt) > 0 ) // If SEG.ACK =< ISS, or SEG.ACK > SND.NXT,
570 
+          {
571 
+            if( ! (flags & TCP_RST) ) // (unless the RST bit is set)
572 
+              TcpEmptySegment( pConn, ack, 0, TCP_RST ); // send a reset
573 
+            return; // and discard the segment. Return.
574 
+          }
575 
+        accept = (long)(pConn->SndUna - ack) <= 0 && (long)(ack - pConn->SndNxt) <= 0; // If SND.UNA =< SEG.ACK =< SND.NXT then the ACK is acceptable.
576 
+      }
577 
+      if( flags & TCP_RST ) // If the RST bit is set
578 
+      {
579 
+        if( accept ) // If the ACK was acceptable
580 
+          pConn->State = TCP_CLOSED; // enter CLOSED state, delete TCB,
581 
+        return; // drop the segment and return.
582 
+      }
583 
+      if( (accept || ! (flags & TCP_ACK)) && // This step should be reached only if the ACK is ok, or there is no ACK,
584 
+          flags & TCP_SYN ) // If the SYN bit is on
585 
+      {
586 
+        pConn->RcvNxt = seq + 1; // RCV.NXT is set to SEG.SEQ+1,
587 
+        pConn->Irs = seq; // IRS is set to SEG.SEQ.
588 
+        pConn->SndWl2 = pConn->RcvNxt; // last acknowledge number when updating the window size is first acknowledge number at all
589 
+        if( accept ) // (if there is an ACK)
590 
+          pConn->SndUna = ack; // SND.UNA should be advanced to equal SEG.ACK
591 
+        pConn->SndWnd = wnd; // initialize send window from packet
592 
+        pConn->SndWl1 = seq;
593 
+        pConn->SndWl2 = ack;
594 
+        pConn->Mss = mss; // save maximum segment size
595 
+        if( (long)(pConn->SndUna - pConn->Iss) > 0 ) // If SND.UNA > ISS (our SYN has been ACKed),
596 
+        {
597 
+          pConn->State = TCP_ESTAB; // change the connection state to ESTABLISHED,
598 
+          debug_tcp_printf( "notify connect no=%u", connNo );
599 
+          pConn->Notify->Connect( connNo ); // signal "connected"
600 
+          TcpEmptySegment( pConn, pConn->SndNxt, pConn->RcvNxt, TCP_ACK ); // form an ACK segment and send it.
601 
+        }
602 
+        else // Otherwise
603 
+        {
604 
+          pConn->State = TCP_SYN_RCVD; // enter SYN-RECEIVED,
605 
+          TcpSynSegment( pConn, pConn->Iss, pConn->RcvNxt, TCP_SYN | TCP_ACK ); // form a SYN,ACK segment and send it.
606 
+        }
607 
+        pConn->Ticks = 0; // restart timer
608 
+      }
609 
+      return;
610 
+
611 
+  } // switch( pConn->State )
612 
+
613 
+  // Otherwise,
614 
+
615 
+  // first check sequence number
616 
+  if( len == 0 )
617 
+    if( pConn->RcvWnd == 0 )
618 
+      accept = seq == pConn->RcvNxt; // SEG.SEQ = RCV.NXT
619 
+    else
620 
+      accept = (long)(pConn->RcvNxt - seq) <= 0 && // RCV.NXT =< SEG.SEQ < RCV.NXT+RCV.WND
621 
+               (long)(seq - (pConn->RcvNxt + pConn->RcvWnd)) < 0;
622 
+  else
623 
+    if( pConn->RcvWnd == 0 )
624 
+      accept = 0; // not acceptable
625 
+    else
626 
+      accept = ((long)(pConn->RcvNxt - seq) <= 0 && // RCV.NXT =< SEG.SEQ < RCV.NXT+RCV.WND
627 
+                (long)(seq - (pConn->RcvNxt + pConn->RcvWnd)) < 0) ||
628 
+               ((long)(pConn->RcvNxt - (seq + len - 1) <= 0) && // or RCV.NXT =< SEG.SEQ+SEG.LEN-1 < RCV.NXT+RCV.WND
629 
+                (long)((seq + len - 1) - (pConn->RcvNxt + pConn->RcvWnd)) < 0);
630 
+
631 
+  // because there is not enough memory to store segments needed later,
632 
+  // we only accept segments with SEG.SEQ <= RCV.NXT
633 
+  // thus, we reject the segment if SEG.SEQ > RCV.NXT
634 
+  // BAD PERFORMANCE: this is _not_ a bug, but a major impact on performace when packets arrive out of order
635 
+  // - however, we cannot do something against it,
636 
+  // because there is not enough memory available on the controller
637 
+  // to store segements for later processing
638 
+  if( accept && (long)(seq - pConn->RcvNxt) > 0 )
639 
+    accept = 0;
640 
+
641 
+  // If an incoming segment is not acceptable
642 
+  if( ! accept )
643 
+  {
644 
+    /* disabled this - sometimes it ssems to generates endless ACKs being exchanged with remote host)
645 
+    if( ! (flags & TCP_RST) ) // (unless the RST bit is set)
646 
+      TcpEmptySegment( pConn, pConn->SndNxt, pConn->RcvNxt, TCP_ACK ); // an acknowledgment should be sent in reply */
647 
+    return; // drop the unacceptable segment and return.
648 
+  }
649 
+
650 
+  // if segment contains duplicate data
651 
+  tmp = pConn->RcvNxt - seq; // cannot be negative because of checks above
652 
+  if( tmp > 0 )
653 
+  {
654 
+    // remove duplicate SYN flag from segment
655 
+    if( flags & TCP_SYN )
656 
+    {
657 
+      flags &= ~TCP_SYN;
658 
+      tmp--;
659 
+    }
660 
+    // remove duplicate data from segment
661 
+    ofs += tmp;
662 
+    len -= tmp; // length cannot become negative here because of checks above
663 
+    // now this segments starts with the expected sequence number
664 
+    seq = pConn->RcvNxt;
665 
+  }
666 
+
667 
+  // if segment extends beyond end of receive window
668 
+  if( len > pConn->RcvWnd )
669 
+  {
670 
+    // remove data behind receive window
671 
+    seqEnd -= len - pConn->RcvWnd;
672 
+    len = pConn->RcvWnd;
673 
+  }
674 
+
675 
+  // restart timer, because this was an acceptable segment
676 
+  pConn->Ticks = 0;
677 
+
678 
+  // second check the RST bit,
679 
+  if( flags & TCP_RST )
680 
+  {
681 
+    switch( pConn->State )
682 
+    {
683 
+
684 
+      case TCP_SYN_RCVD:
685 
+        pConn->State = TCP_CLOSED; // enter the CLOSED state and delete the TCB, an return.
686 
+        debug_tcp_printf( "notify close no=%u", connNo );
687 
+        pConn->Notify->Close( connNo ); // signal "connection refused"
688 
+        return;
689 
+
690 
+      case TCP_ESTAB:
691 
+      case TCP_FIN_WAIT_1:
692 
+      case TCP_FIN_WAIT_2:
693 
+      case TCP_CLOSE_WAIT:
694 
+        pConn->State = TCP_CLOSED; // Enter the CLOSED state, delete the TCB, and return.
695 
+        debug_tcp_printf( "notify close no=%u", connNo );
696 
+        pConn->Notify->Close( connNo ); // signal "connection reset"
697 
+        return;
698 
+
699 
+      case TCP_CLOSING:
700 
+      case TCP_LAST_ACK:
701 
+      case TCP_TIME_WAIT:
702 
+        pConn->State = TCP_CLOSED; // enter the CLOSED state, delete the TCB, and return.
703 
+        return;
704 
+
705 
+    } // switch( pConn->State )
706 
+  } // if( flags & TCP_RST )
707 
+
708 
+  // third check security and precedence
709 
+  // - this does not apply to our implementation because we do not support security and precedence on TCP layer
710 
+
711 
+  // fourth, check the SYN bit
712 
+  if( flags & TCP_SYN )
713 
+  {
714 
+    switch( pConn->State )
715 
+    {
716 
+
717 
+      case TCP_SYN_RCVD:
718 
+      case TCP_ESTAB:
719 
+      case TCP_FIN_WAIT_1:
720 
+      case TCP_FIN_WAIT_2:
721 
+      case TCP_CLOSE_WAIT:
722 
+        // If the SYN is in the window it is an error,
723 
+        // - this is always the case here, because SYN not in window would habe been removed above
724 
+        TcpEmptySegment( pConn, ack, 0, TCP_RST ); // send a reset,
725 
+        pConn->State = TCP_CLOSED; // enter the CLOSED state, delete the TCB, and return.
726 
+        debug_tcp_printf( "notify close no=%u", connNo );
727 
+        pConn->Notify->Close( connNo ); // signal "connection reset"
728 
+        return;
729 
+
730 
+      case TCP_CLOSING:
731 
+      case TCP_LAST_ACK:
732 
+      case TCP_TIME_WAIT:
733 
+        // If the SYN is in the window it is an error,
734 
+        // - this is always the case here, because SYN not in window would habe been removed above
735 
+        TcpEmptySegment( pConn, ack, 0, TCP_RST ); // send a reset,
736 
+        pConn->State = TCP_CLOSED; // enter the CLOSED state, delete the TCB, and return.
737 
+        return;
738 
+
739 
+    } // switch( pConn->State )
740 
+  } // if( flags & TCP_SYN )
741 
+
742 
+  // fifth check the ACK field,
743 
+  if( ! (flags & TCP_ACK) ) // if the ACK bit is off
744 
+    return; // drop the segment and return
745 
+  switch( pConn->State )
746 
+  {
747 
+
748 
+      case TCP_SYN_RCVD:
749 
+        if( (long)(pConn->SndUna - ack) <= 0 && // If SND.UNA =< SEG.ACK =< SND.NXT
750 
+            (long)(ack - pConn->SndNxt) <= 0 )
751 
+        {
752 
+          pConn->State = TCP_ESTAB; // then enter ESTABLISHED state
753 
+          debug_tcp_printf( "notify connect no=%u", connNo );
754 
+          pConn->Notify->Connect( connNo ); // signal "connected"
755 
+          // and continue processing.
756 
+        }
757 
+        else // If the segment acknowledgment is not acceptable,
758 
+        {
759 
+          TcpEmptySegment( pConn, ack, 0, TCP_RST ); // form a reset segment, and send it.
760 
+          return; // drop this segment
761 
+        }
762 
+        // no break here
763 
+
764 
+      case TCP_ESTAB:
765 
+      case TCP_FIN_WAIT_1:
766 
+      case TCP_FIN_WAIT_2:
767 
+      case TCP_CLOSE_WAIT:
768 
+      case TCP_CLOSING:
769 
+        if( (long)(ack - pConn->SndUna) <= 0 ) // If the ACK is a duplicate (SEG.ACK <= SND.UNA),
770 
+          break; // it can be ignored.
771 
+        if( (long)(ack - pConn->SndNxt) > 0 ) // If the ACK acks something not yet sent (SEG.ACK > SND.NXT)
772 
+        {
773 
+          TcpEmptySegment( pConn, pConn->SndNxt, pConn->RcvNxt, TCP_ACK ); // then send an ACK,
774 
+          return; // drop the segment, and return.
775 
+        }
776 
+        // here: SND.UNA < SEG.ACK =< SND.NXT
777 
+        pConn->SndUna = ack; // set SND.UNA <- SEG.ACK.
778 
+        if( (long)(pConn->SndWl1 - seq) < 0 || // If SND.WL1 < SEG.SEQ
779 
+            (pConn->SndWl1 == seq && (long)(pConn->SndWl2 - ack) <= 0) ) // or (SND.WL1 = SEG.SEQ and SND.WL2 =< SEG.ACK),
780 
+        {
781 
+          pConn->SndWnd = wnd; // set SND.WND <- SEG.WND,
782 
+          pConn->SndWl1 = seq; // set SND.WL1 <- SEG.SEQ,
783 
+          pConn->SndWl2 = ack; // and set SND.WL2 <- SEG.ACK.
784 
+        }
785 
+        pConn->Timeout = 0; // restart timeout timer
786 
+        debug_tcp_printf( "notify sent no=%u pos=%lu",
787 
+                          connNo, pConn->SndNxt - (pConn->Iss + 1) );
788 
+        pConn->Notify->Sent( connNo, pConn->SndUna - (pConn->Iss + 1) ); // signal "send completed" (up to ack)
789 
+        // additional processing
790 
+        switch( pConn->State )
791 
+        {
792 
+          case TCP_FIN_WAIT_1:
793 
+            if( pConn->SndUna == pConn->SndNxt ) // if our FIN is now acknowledged
794 
+              pConn->State = TCP_FIN_WAIT_2; // then enter FIN-WAIT-2 and continue processing in that state.
795 
+            // no break here
796 
+          case TCP_FIN_WAIT_2:
797 
+            if( pConn->SndUna == pConn->SndNxt ) // if the retransmission queue is empty,
798 
+            {
799 
+              debug_tcp_printf( "notify close no=%u", connNo );
800 
+              pConn->Notify->Close( connNo ); // the user's CLOSE can be acknowledged
801 
+            }
802 
+            break;
803 
+          case TCP_CLOSING:
804 
+            if( pConn->SndUna == pConn->SndNxt ) // if the ACK acknowledges our FIN
805 
+              pConn->State = TCP_TIME_WAIT; // then enter the TIME-WAIT state,
806 
+            else
807 
+              return; // otherwise ignore the segment.
808 
+            break;
809 
+        }
810 
+        break;
811 
+
812 
+      case TCP_LAST_ACK:
813 
+        // The only thing that can arrive in this state is an acknowledgment of our FIN.
814 
+        if( pConn->SndUna == pConn->SndNxt ) // If our FIN is now acknowledged,
815 
+        {
816 
+          pConn->State = TCP_CLOSED; // delete the TCB, enter the CLOSED state,
817 
+          return; // and return.
818 
+        }
819 
+        break;
820 
+
821 
+      case TCP_TIME_WAIT:
822 
+        // The only thing that can arrive in this state is a retransmission of the remote FIN.
823 
+        TcpEmptySegment( pConn, ack, seqEnd, TCP_ACK ); // Acknowledge it,
824 
+        break;
825 
+
826 
+  } // switch( pConn->State )
827 
+
828 
+  // sixth, check the URG bit,
829 
+  // - this cannot occur, because we have alredy reset the connection if URG was set
830 
+
831 
+  // no ACK needs to be sent yet
832 
+  sendAck = 0;
833 
+
834 
+  // seventh, process the segment text,
835 
+  if( len > 0 )
836 
+  {
837 
+    switch( pConn->State )
838 
+    {
839 
+
840 
+      case TCP_ESTAB:
841 
+      case TCP_FIN_WAIT_1:
842 
+      case TCP_FIN_WAIT_2:
843 
+        pConn->RcvWnd -= len; // make receive window smaller (len <= pConn->RcvWnd)
844 
+        pConn->RcvNxt += len; // advance sequence number of next data to receive
845 
+        pConn->Timeout = 0; // restart timeout timer
846 
+        debug_tcp_printf( "notify recv no=%u pos=%lu len=%u, min_wnd=%u",
847 
+                           connNo, pConn->RcvNxt - (pConn->Irs + 1) - len, len, pConn->RcvWnd );
848 
+        pConn->RcvWnd = pConn->Notify->Received( connNo, pConn->RcvNxt - (pConn->Irs + 1) - len, // give received data to user
849 
+                                                 (unsigned char *)&pTcpPack->TcpHdr + ofs, len, // (update receive window size)
850 
+                                                 pConn->RcvWnd );
851 
+        debug_tcp_printf( "notify recv no=%u wnd=%u", connNo, pConn->RcvWnd );
852 
+        sendAck = 1; // remember to send an ACK
853 
+        break;
854 
+
855 
+    } // switch( pConn->State )
856 
+  } // if( len > 0 )
857 
+
858 
+  // eighth, check the FIN bit,
859 
+  if( flags & TCP_FIN )
860 
+  {
861 
+    switch( pConn->State )
862 
+    {
863 
+
864 
+      case TCP_SYN_RCVD:
865 
+      case TCP_ESTAB:
866 
+        sendAck = 1; // remember to send an ACK
867 
+        pConn->RcvNxt++; // FIN counts as one in sequence number space
868 
+        pConn->State = TCP_CLOSE_WAIT; // Enter the CLOSE-WAIT state.
869 
+        // close outbound part of the connection
870 
+        // i.e. do an automatic call to close
871 
+        TcpEmptySegment( pConn, pConn->SndNxt, pConn->RcvNxt, TCP_FIN | TCP_ACK ); // send a FIN
872 
+        pConn->SndNxt++;
873 
+        pConn->State = TCP_CLOSING;
874 
+        debug_tcp_printf( "notify close no=%u", connNo );
875 
+        pConn->Notify->Close( connNo ); // signal "connection closed" to user
876 
+        return; // we do not need to send an ack, becaue we already sent it with our FIN
877 
+
878 
+      case TCP_FIN_WAIT_1:
879 
+        sendAck = 1; // remember to send an ACK
880 
+        pConn->RcvNxt++; // FIN counts as one in sequence number space
881 
+        pConn->State = TCP_CLOSING; // Enter the CLOSING state.
882 
+        break;
883 
+
884 
+      case TCP_FIN_WAIT_2:
885 
+        sendAck = 1; // remember to send an ACK
886 
+        pConn->RcvNxt++; // FIN counts as one in sequence number space
887 
+        pConn->State = TCP_TIME_WAIT; // Enter the TIME-WAIT state.
888 
+        break;
889 
+
890 
+      case TCP_CLOSING:
891 
+      case TCP_CLOSE_WAIT:
892 
+      case TCP_LAST_ACK:
893 
+      case TCP_TIME_WAIT:
894 
+        sendAck = 1; // remember to send an ACK
895 
+        break;
896 
+
897 
+    } // switch( pConn->State )
898 
+  }
899 
+
900 
+  // send data / ACK segment
901 
+  TcpSendDataSegment( connNo, pConn, sendAck );
902 
+}
903 
+
904 
+// open a TCP connection
905 
+// must not be called from a TCP notification function
906 
+// returns the connection number of the new connection of 0xFF in case of error
907 
+unsigned char TcpOpen( unsigned char * remoteIp, unsigned short remotePort, // (extern)
908 
+                       unsigned short initialWnd, struct TcpNotify * Notify )
909 
+#define TcpOpenLocalPortMin 32768
910 
+#define TcpOpenLocalPortRange 16384
911 
+{
912 
+  static unsigned short nextLocalPort = TcpOpenLocalPortMin; // local port to use for next TCP connection
913 
+  unsigned short localPort;
914 
+  unsigned char i;
915 
+
916 
+  debug_tcp_printf( "open ip=%u.%u.%u.%u port=%u",
917 
+                    remoteIp[0], remoteIp[1], remoteIp[2], remoteIp[3],
918 
+                    remotePort );
919 
+
920 
+  // search an unused local port
921 
+  for( localPort = nextLocalPort; ; localPort++ )
922 
+  {
923 
+    for( i = 0; i < count( TcpConns ); i++ )
924 
+      if( TcpConns[i].State != TCP_CLOSED &&
925 
+          TcpConns[i].LocalPort == localPort )
926 
+        break;
927 
+    if( i >= count( TcpConns ) )
928 
+      break;
929 
+  }
930 
+  // save next local port to use
931 
+  nextLocalPort = localPort + 1;
932 
+  if( nextLocalPort >= TcpOpenLocalPortMin + TcpOpenLocalPortRange )
933 
+    nextLocalPort = TcpOpenLocalPortMin;
934 
+
935 
+  // search empty connection slot
936 
+  for( i = 0; i < count( TcpConns ); i++ )
937 
+    if( TcpConns[i].State == TCP_CLOSED )
938 
+      break;
939 
+  // no free connection slot found
940 
+  if( i >= count( TcpConns ) )
941 
+    return 0xFF;
942 
+
943 
+  // create new connection in this slot
944 
+  ip_cpy( TcpConns[i].RemoteIp, remoteIp );
945 
+  TcpConns[i].LocalPort = localPort;
946 
+  TcpConns[i].RemotePort = remotePort;
947 
+  TcpConns[i].RcvNxt = 0;
948 
+  TcpConns[i].Irs = 0;
949 
+  RandomGetData( (unsigned char *)&TcpConns[i].Iss, sizeof( TcpConns[i].Iss ) ); // An initial send sequence number (ISS) is selected.
950 
+  TcpSynSegment( &TcpConns[i], TcpConns[i].Iss, 0, TCP_SYN ); // A SYN segment of the form <SEQ=ISS><CTL=SYN> is sent.
951 
+  TcpConns[i].SndUna = TcpConns[i].Iss; // Set SND.UNA to ISS,
952 
+  TcpConns[i].SndNxt = TcpConns[i].Iss + 1; // SND.NXT to ISS+1,
953 
+  TcpConns[i].State = TCP_SYN_SENT; // enter SYN-SENT state,
954 
+  TcpConns[i].SndWnd = 0; // not allowed to send data for now
955 
+  TcpConns[i].SndWl1 = 0; // window size was never updated
956 
+  TcpConns[i].SndWl2 = 0;
957 
+  TcpConns[i].Ticks = 0; // restart timers
958 
+  TcpConns[i].Timeout = 0;
959 
+  TcpConns[i].LifeTime = 0;
960 
+  TcpConns[i].RcvWnd = initialWnd;
961 
+  TcpConns[i].Notify = Notify;
962 
+
963 
+  debug_tcp_printf( "open no=%u", i );
964 
+
965 
+  // return connection number
966 
+  return i;
967 
+}
968 
+
969 
+// close a TCP connection
970 
+// must not be called from a TCP notification function
971 
+void TcpClose( unsigned char connNo ) // (extern)
972 
+{
973 
+  struct TcpConnection * pConn;
974 
+
975 
+  debug_tcp_printf( "close no=%u", connNo );
976 
+
977 
+  // connection does not exist
978 
+  if( connNo >= count( TcpConns ) || TcpConns[connNo].State == TCP_CLOSED )
979 
+    return;
980 
+
981 
+  // get connection
982 
+  pConn = &TcpConns[connNo];
983 
+
984 
+  // different actions in different states accroding to RFC793
985 
+  switch( pConn->State  )
986 
+  {
987 
+
988 
+    case TCP_LISTEN:
989 
+    case TCP_SYN_SENT:
990 
+      pConn->State = TCP_CLOSED; // Delete TCB, enter CLOSED state,
991 
+      break; // and return.
992 
+
993 
+    case TCP_SYN_RCVD:
994 
+    case TCP_ESTAB:
995 
+      TcpEmptySegment( pConn, pConn->SndNxt, pConn->RcvNxt, TCP_FIN | TCP_ACK ); // form a FIN segment and send it,
996 
+      pConn->SndNxt++;
997 
+      pConn->State = TCP_FIN_WAIT_1; // and enter FIN-WAIT-1 state;
998 
+      debug_tcp_printf( "notify close no=%u", connNo );
999 
+      pConn->Notify->Close( connNo ); // signal "connection closed" to user
1000 
+      break;
1001 
+
1002 
+    case TCP_CLOSE_WAIT:
1003 
+      TcpEmptySegment( pConn, pConn->SndNxt, pConn->RcvNxt, TCP_FIN | TCP_ACK ); // send a FIN segment,
1004 
+      pConn->SndNxt++;
1005 
+      pConn->State = TCP_CLOSING; // enter CLOSING state.
1006 
+      debug_tcp_printf( "notify close no=%u", connNo );
1007 
+      pConn->Notify->Close( connNo ); // signal "connection closed" to user
1008 
+      break;
1009 
+
1010 
+  } // switch( pConn->State  )
1011 
+}
1012 
+
1013 
+// request sending on a TCP connection
1014 
+// must not be called from a TCP notification function
1015 
+// this makes the send notification to be called if possible
1016 
+void TcpSend( unsigned char connNo ) // (extern)
1017 
+{
1018 
+  struct TcpConnection * pConn;
1019 
+
1020 
+  debug_tcp_printf( "send no=%u", connNo );
1021 
+
1022 
+  // connection does not exist
1023 
+  if( connNo >= count( TcpConns ) || TcpConns[connNo].State == TCP_CLOSED )
1024 
+    return;
1025 
+
1026 
+  // get connection
1027 
+  pConn = &TcpConns[connNo];
1028 
+
1029 
+  // different behaviour in different states
1030 
+  switch( pConn->State )
1031 
+  {
1032 
+
1033 
+    case TCP_ESTAB:
1034 
+    case TCP_CLOSE_WAIT:
1035 
+      // if nothing is sent and not yet ACKed
1036 
+      if( pConn->SndUna == pConn->SndNxt )
1037 
+        // send a data segment
1038 
+        TcpSendDataSegment( connNo, pConn, 0 );
1039 
+      break;
1040 
+
1041 
+  } // switch( TcpConns[i].State )
1042 
+}
1043 
+
1044 
+// dummy notification functions
1045 
+void TcpDummyConnect( unsigned char ConnNo ) { }
1046 
+void TcpDummyClose( unsigned char ConnNo ) { }
1047 
+unsigned short TcpDummySend( unsigned char ConnNo, unsigned long Pos, unsigned char * pBuffer, unsigned short MaxLen ) { return 0; }
1048 
+void TcpDummySent( unsigned char ConnNo, unsigned long Pos ) { }
1049 
+unsigned short TcpDummyReceived( unsigned char ConnNo, unsigned long Pos, unsigned char * pBuffer, unsigned short Len, unsigned short curWnd ) { return max( curWnd, 128 ); }
1050 
+struct TcpNotify TcpDummyNotify = // (extern)
1051 
+{
1052 
+  .Connect = TcpDummyConnect,
1053 
+  .Close = TcpDummyClose,
1054 
+  .Send = TcpDummySend,
1055 
+  .Sent = TcpDummySent,
1056 
+  .Received = TcpDummyReceived,
1057 
+};
1058 
+
firmware.dartboard/tcp.h
View file @ e8658d5
... ... 
@@ -0,0 +1,112 @@
1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#ifndef INC_tcp
9 
+#define INC_tcp
10 
+
11 
+#include "ethernet.h"
12 
+#include "ip.h"
13 
+
14 
+// header of a TCP packet
15 
+struct TcpHeader
16 
+{
17 
+  unsigned int SrcPort;
18 
+  unsigned int DestPort;
19 
+  unsigned long SeqNo;
20 
+  unsigned long AckNo;
21 
+  unsigned int Ofs_Flags;
22 
+  unsigned int WndSz;
23 
+  unsigned int Chk;
24 
+  unsigned int UrgentPtr;
25 
+};
26 
+
27 
+// a TCP packet
28 
+struct TcpPacket
29 
+{
30 
+  struct EthernetHeader EthHdr;
31 
+  struct IpHeader IpHdr;
32 
+  struct TcpHeader TcpHdr;
33 
+};
34 
+
35 
+// TCP notify functions
36 
+struct TcpNotify
37 
+{
38 
+  // called when connection is established
39 
+  void (*Connect)( unsigned char ConnNo );
40 
+  // called when connection is closed / reset
41 
+  // (after this, the connection number may not be used any more)
42 
+  void (*Close)( unsigned char ConnNo );
43 
+  // called when sending data is possible
44 
+  // (return length of available data, 0xFFFF to close connection)
45 
+  unsigned short (*Send)( unsigned char ConnNo, unsigned long Pos, unsigned char * pBuffer, unsigned short MaxLen );
46 
+  // called when data was sent and ACKed
47 
+  void (*Sent)( unsigned char ConnNo, unsigned long Pos );
48 
+  // called when data was received, must return new window size (not smaller than curWnd)
49 
+  unsigned short (*Received)( unsigned char ConnNo, unsigned long Pos, unsigned char * pBuffer, unsigned short Len, unsigned short curWnd );
50 
+};
51 
+
52 
+// a TCP connection (member names according to RFC793)
53 
+// BUG: missing urgent pointers, which must be supported according to RFC793
54 
+// but urgent data is not used in protocols we use, so leave this out here to save time and memory
55 
+#define TCP_CLOSED 0
56 
+#define TCP_LISTEN 1
57 
+#define TCP_SYN_SENT 2
58 
+#define TCP_SYN_RCVD 3
59 
+#define TCP_ESTAB 4
60 
+#define TCP_FIN_WAIT_1 5
61 
+#define TCP_FIN_WAIT_2 6
62 
+#define TCP_CLOSE_WAIT 7
63 
+#define TCP_LAST_ACK 8
64 
+#define TCP_CLOSING 9
65 
+#define TCP_TIME_WAIT 10
66 
+struct TcpConnection
67 
+{
68 
+  unsigned char RemoteIp[4];
69 
+  unsigned short LocalPort, RemotePort;
70 
+  unsigned char State; // one of TCP_*
71 
+  unsigned long SndUna; // send unacknowledged
72 
+  unsigned long SndNxt; // send next
73 
+  unsigned short SndWnd; // send window
74 
+  unsigned long SndWl1; // segment sequence number used for last window update
75 
+  unsigned long SndWl2; // segment acknowledgment number used for last window update
76 
+  unsigned long Iss; // initial send sequence number
77 
+  unsigned long RcvNxt; // receive next
78 
+  unsigned short RcvWnd; // receive window
79 
+  unsigned long Irs; // initial receive sequence number
80 
+  unsigned short Mss; // maximum segment size
81 
+  unsigned char Ticks; // retransmission and time-wait timer (time since last packet sent or received in 200ms steps)
82 
+  unsigned char Timeout; // timeout timer (time since last data was sent or received)
83 
+  unsigned char LifeTime; // lifetime timer (time since begin of connection)
84 
+  struct TcpNotify * Notify; // notification functions
85 
+};
86 
+
87 
+// initialize
88 
+extern void TcpInit( void );
89 
+
90 
+// tick procedure - call every 200ms
91 
+extern void TcpTick200( void );
92 
+
93 
+// process a received TCP packet
94 
+extern void TcpRecv( unsigned char * pData, unsigned short Length );
95 
+
96 
+// open a TCP connection
97 
+// must not be called from a TCP notification function
98 
+// returns the connection number of the new connection of 0xFF in case of error
99 
+extern unsigned char TcpOpen( unsigned char * remoteIp, unsigned short remotePort,
100 
+                              unsigned short initialWnd, struct TcpNotify * Notify );
101 
+
102 
+// close a TCP connection
103 
+// must not be called from a TCP notification function
104 
+extern void TcpClose( unsigned char connNo );
105 
+
106 
+// request sending on a TCP connection
107 
+// must not be called from a TCP notification function
108 
+// this makes the send notification to be called if possible
109 
+extern void TcpSend( unsigned char connNo );
110 
+
111 
+#endif // #ifdef INC_tcp
112 
+
firmware.dartboard/timing.c
View file @ e8658d5
... ... 
@@ -0,0 +1,108 @@
1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#include <avr/io.h>
9 
+#include <avr/interrupt.h>
10 
+
11 
+#include "arp.h"
12 
+#include "cf.h"
13 
+#include "dart.h"
14 
+#include "dhcp.h"
15 
+#include "ip.h"
16 
+#include "http.h"
17 
+#include "random.h"
18 
+#include "rtl8019.h"
19 
+#include "status.h"
20 
+#include "tcp.h"
21 
+#include "timing.h"
22 
+#include "udp.h"
23 
+
24 
+// 2ms tick counter to generate 20ms ticks
25 
+volatile unsigned char Timing2_10 = 0;
26 
+
27 
+// flag set every 20ms to indicate execution of 20ms ticks
28 
+volatile unsigned char Timing20Flag = 0;
29 
+
30 
+// wrapping around 20ms tick counter
31 
+unsigned char Timing20 = 0;
32 
+
33 
+// 20ms tick counter to generate 200ms ticks
34 
+unsigned char Timing20_10 = 0;
35 
+
36 
+// 2ms interrupt (timer 0 compare match)
37 
+SIGNAL( SIG_OUTPUT_COMPARE0 )
38 
+{
39 
+  // set flag every 20ms
40 
+  Timing2_10++;
41 
+  if( Timing2_10 >= 10 )
42 
+  {
43 
+    Timing2_10 = 0;
44 
+    Timing20Flag = 1;
45 
+  }
46 
+}
47 
+
48 
+// initialize
49 
+void TimingInit( void ) // (extern)
50 
+{
51 
+  // configure timer 0 to 2ms interval
52 
+  TCCR0 = 0<<FOC0 | 1<<WGM01 | 0<<WGM00 | // count to OCR0
53 
+          0<<COM01 | 0<<COM00 | // no waveform generation
54 
+          1<<CS02 | 1<<CS01 | 0<<CS00; // 1/256 of sysclock (16MHz) -> increment every 16us
55 
+  OCR0 = 124; // count to 124 -> 2ms interval
56 
+
57 
+  // enable timer 0 compare match interrupt
58 
+  TIMSK |= 1<<OCIE0;
59 
+
60 
+  // configure timer 1 to count cycles
61 
+  TCCR1A = 0<<WGM11 | 0<<WGM10; // normal mode
62 
+  TCCR1B = 0<<WGM13 | 0<<WGM12 | 0<<CS12 | 0<<CS11 | 1<<CS10; // normal mode, no prescaler
63 
+}
64 
+
65 
+// provide curent time stamp as entropy to random number generator
66 
+void TimingEntropy( void ) // (extern)
67 
+{
68 
+  unsigned short timestamp = TCNT1;
69 
+  RandomProvideEntropy( (unsigned char)timestamp );
70 
+  RandomProvideEntropy( (unsigned char)(timestamp >> 8) );
71 
+}
72 
+
73 
+// provide curent 20ms tick counter as entropy to random number generator
74 
+void Timing20Entropy( void ) // (extern)
75 
+{
76 
+  RandomProvideEntropy( Timing20 );
77 
+}
78 
+
79 
+// task function to do the work - call from main loop
80 
+void TimingTask( void ) // (extern)
81 
+{
82 
+  // 20ms not elapsed
83 
+  if( ! Timing20Flag )
84 
+    return;
85 
+  Timing20Flag = 0;
86 
+
87 
+  // call 20ms tick functions
88 
+
89 
+  // generate 200ms steps
90 
+  Timing20_10++;
91 
+  if( Timing20_10 >= 10 )
92 
+    Timing20_10 = 0;
93 
+
94 
+  // call 200ms tick functions at different times
95 
+  switch( Timing20_10 )
96 
+  {
97 
+    case 1: ArpTick200( ); break;
98 
+    case 2: DartTick200( ); break;
99 
+    case 3: IpTick200( ); break;
100 
+    case 4: HttpTick200( ); break;
101 
+    case 5: RtlTick200( ); break;
102 
+    case 6: StatusTick200( ); break;
103 
+    case 7: TcpTick200( ); break;
104 
+    case 8: UdpTick200( ); break;
105 
+    case 9: DhcpTick200( ); break;
106 
+  }
107 
+}
108 
+
firmware.dartboard/timing.h
View file @ e8658d5
... ... 
@@ -0,0 +1,23 @@
1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#ifndef INC_timing
9 
+#define INC_timing
10 
+
11 
+// initialize
12 
+extern void TimingInit( void );
13 
+
14 
+// provide curent time stamp as entropy to random number generator
15 
+extern void TimingEntropy( void );
16 
+
17 
+// provide curent 20ms tick counter as entropy to random number generator
18 
+extern void Timing20Entropy( void );
19 
+
20 
+// task function to do the work - call from main loop
21 
+extern void TimingTask( void );
22 
+
23 
+#endif // #ifndef INC_timing
firmware.dartboard/uart.c
View file @ e8658d5
... ... 
@@ -0,0 +1,43 @@
1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#include <stdio.h>
9 
+#include <avr/io.h>
10 
+#include <avr/wdt.h>
11 
+
12 
+#include "macros.h"
13 
+#include "uart.h"
14 
+
15 
+#define BAUD_RATE 38400
16 
+
17 
+// initialize
18 
+void UartInit( void ) // (extern)
19 
+{
20 
+  // enable transmission
21 
+  UCSR0B = 1<<TXEN;
22 
+  // set baudrate (16MHz crystal)
23 
+  UBRR0L = 16000000 / (BAUD_RATE * 16L) - 1;
24 
+
25 
+  // set STDOUT to use UartPutchar
26 
+  fdevopen( UartPutchar, NULL );
27 
+}
28 
+
29 
+// write a character
30 
+int UartPutchar( char c, FILE * file ) // (extern)
31 
+{
32 
+  // wait until last character was sent
33 
+  while( bit_is_clear( UCSR0A, UDRE ) )
34 
+    wdt_reset( );
35 
+
36 
+  // send character
37 
+  UDR0 = c;
38 
+
39 
+  return 0;
40 
+
41 
+  file = NULL; // keep compiler happy
42 
+}
43 
+
firmware.dartboard/uart.h
View file @ e8658d5
... ... 
@@ -0,0 +1,18 @@
1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#ifndef INC_uart
9 
+#define INC_uart
10 
+
11 
+// initialize
12 
+extern void UartInit( void );
13 
+
14 
+// write a character
15 
+extern int UartPutchar( char c, FILE * file );
16 
+
17 
+#endif // #ifndef INC_uart
18 
+
firmware.dartboard/udp.c
View file @ e8658d5
... ... 
@@ -0,0 +1,171 @@
1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#include "config.h"
9 
+#include "checksum.h"
10 
+#include "dart.h"
11 
+#include "debug.h"
12 
+#include "dhcp.h"
13 
+#include "ethernet.h"
14 
+#include "ip.h"
15 
+#include "macros.h"
16 
+#include "nethelp.h"
17 
+#include "udp.h"
18 
+
19 
+// some kind of "token bucket" for UDP echo
20 
+#define UdpEchoTicks 10 // allowed rate of UDP echo replies (in 200ms steps)
21 
+unsigned char UdpEchoTickCnt = 0; // tick counter
22 
+#define UdpEchoReliesMax 3 // maximum value for UdpEchoReplies
23 
+unsigned char UdpEchoReplies = 0; // number of UDP echo replies that may be sent at the moment
24 
+
25 
+// tick procedure - call every 200ms
26 
+void UdpTick200( void ) // (extern)
27 
+{
28 
+  // count ticks
29 
+  UdpEchoTickCnt++;
30 
+  // time to allow one reply more
31 
+  if( UdpEchoTickCnt >= UdpEchoTicks )
32 
+  {
33 
+    UdpEchoTickCnt = 0;
34 
+
35 
+    // increase reply count if not at maximum
36 
+    if( UdpEchoReplies < UdpEchoReliesMax )
37 
+      UdpEchoReplies++;
38 
+  }
39 
+}
40 
+
41 
+// process a received UDP echo packet
42 
+static void UdpEchoRecv( unsigned char * pData, unsigned short Length )
43 
+{
44 
+  struct UdpPacket * pUdpPack;
45 
+
46 
+  // convert pointer to UDP packet
47 
+  // (this saves us from always casting pData)
48 
+  pUdpPack = (struct UdpPacket *)pData;
49 
+
50 
+  // source port is UDP echo port
51 
+  if( pUdpPack->UdpHdr.SrcPort == htons( 7 ) )
52 
+    // ignore this packet
53 
+    // - UDP echo answer to another UDP echo port will result in endless echoing
54 
+    return;
55 
+
56 
+  // only reply with allowed packet rate
57 
+  if( UdpEchoReplies == 0 )
58 
+  {
59 
+    debug_udp_printf( "echo len=%u (dropped)", Length );
60 
+    return;
61 
+  }
62 
+  UdpEchoReplies--;
63 
+
64 
+  debug_udp_printf( "echo len=%u", Length );
65 
+
66 
+  // send an UDP echo
67 
+  // - use same buffer to send reply
68 
+  // - this saves us from allocating a new buffer
69 
+  // - this saves us from copying the data
70 
+  pUdpPack->UdpHdr.DestPort = pUdpPack->UdpHdr.SrcPort; // back to originationg port
71 
+  pUdpPack->UdpHdr.SrcPort = htons( 7 ); // UDP echo port
72 
+  ip_cpy( pUdpPack->IpHdr.Dest, pUdpPack->IpHdr.Src ); // back to originating IP
73 
+  UdpSend( pData, Length );
74 
+}
75 
+
76 
+// process a received UDP packet
77 
+void UdpRecv( unsigned char * pData, unsigned short Length ) // (extern)
78 
+{
79 
+  struct UdpPacket * pUdpPack;
80 
+  unsigned int len;
81 
+
82 
+  // packet too short
83 
+  if( Length < sizeof( struct UdpPacket ) )
84 
+    return;
85 
+
86 
+  // convert pointer to UDP packet
87 
+  // (this saves us from always casting pData)
88 
+  pUdpPack = (struct UdpPacket *)pData;
89 
+
90 
+  // ignore packets sent from or to port 0
91 
+  // - this might be some attack
92 
+  if( pUdpPack->UdpHdr.SrcPort == htons( 0 ) ||
93 
+      pUdpPack->UdpHdr.DestPort == htons( 0 ) )
94 
+    return;
95 
+
96 
+  // check total length
97 
+  len = sizeof( struct EthernetHeader ) + sizeof( struct IpHeader ) + ntohs( pUdpPack->UdpHdr.Length ); // length according to UDP header
98 
+  if( Length < len ) // packet is truncated
99 
+    return;
100 
+  Length = len; // remove IP padding from packet (maybe Length > len)
101 
+
102 
+  // test checksum
103 
+  if( Checksum( (unsigned char*)&pUdpPack->IpHdr.Src,
104 
+                Length - sizeof( struct EthernetHeader ) - sizeof( struct IpHeader ) + 8,
105 
+                0x0011,
106 
+                ntohs( pUdpPack->UdpHdr.Length ) ) != 0 )
107 
+    return;
108 
+
109 
+  debug_udp_printf( "recv src=%u dest=%u len=%u",
110 
+                    ntohs( pUdpPack->UdpHdr.SrcPort ),
111 
+                    ntohs( pUdpPack->UdpHdr.DestPort ),
112 
+                    Length );
113 
+
114 
+  // branch according to destination port
115 
+  switch( ntohs( pUdpPack->UdpHdr.DestPort ) )
116 
+  {
117 
+    // UDP echo
118 
+    case 7:
119 
+      UdpEchoRecv( pData, Length );
120 
+      break;
121 
+    // DHCP
122 
+    case 68:
123 
+      DhcpRecv( pData, Length );
124 
+      break;
125 
+    // dart board
126 
+    case 501:
127 
+      DartRequest( pUdpPack->IpHdr.Src,
128 
+                   ntohs( pUdpPack->UdpHdr.SrcPort ) );
129 
+      break;
130 
+  }
131 
+}
132 
+
133 
+// send an UDP packet
134 
+// pData must point to a struct UdpPacket with UdpHdr.SrcPort, UdpHdr.DestPort and IpHdr.Dest already initialized
135 
+void UdpSend( unsigned char * pData, unsigned short Length ) // (extern)
136 
+{
137 
+  struct UdpPacket * pUdpPack;
138 
+  unsigned int chk;
139 
+
140 
+  // packet too short
141 
+  if( Length < sizeof( struct UdpPacket ) )
142 
+    return;
143 
+
144 
+  // convert pointer to UDP packet
145 
+  // (this saves us from always casting pData)
146 
+  pUdpPack = (struct UdpPacket *)pData;
147 
+
148 
+  debug_udp_printf( "send src=%u dest=%u len=%u",
149 
+                    ntohs( pUdpPack->UdpHdr.SrcPort ),
150 
+                    ntohs( pUdpPack->UdpHdr.DestPort ),
151 
+                    Length );
152 
+
153 
+  // fill in header values
154 
+  pUdpPack->UdpHdr.Length = htons( Length - sizeof( struct EthernetHeader ) - sizeof( struct IpHeader ) );
155 
+  pUdpPack->UdpHdr.Chk = 0x0000;
156 
+  ip_cpy( pUdpPack->IpHdr.Src, ConfigIp ); // put IP already here into IP header
157 
+                                           // because it is needed for calculation of UDP checksum
158 
+
159 
+  // generate checksum
160 
+  chk = Checksum( (unsigned char *)&pUdpPack->IpHdr.Src,
161 
+                  Length - sizeof( struct EthernetHeader ) - sizeof( struct IpHeader ) + 8,
162 
+                  0x0011,
163 
+                  ntohs( pUdpPack->UdpHdr.Length ) );
164 
+  pUdpPack->UdpHdr.Chk = htons( chk );
165 
+
166 
+  // send UDP packet
167 
+  pUdpPack->IpHdr.Proto = 0x11; // UDP
168 
+  IpSend( pData, Length );
169 
+}
170 
+
171 
+
firmware.dartboard/udp.h
View file @ e8658d5
... ... 
@@ -0,0 +1,42 @@
1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#ifndef INC_udp
9 
+#define INC_udp
10 
+
11 
+#include "ethernet.h"
12 
+#include "ip.h"
13 
+
14 
+// header of an UDP packet
15 
+struct UdpHeader
16 
+{
17 
+  unsigned int SrcPort;
18 
+  unsigned int DestPort;
19 
+  unsigned int Length;
20 
+  unsigned int Chk;
21 
+};
22 
+
23 
+// an UDP packet
24 
+struct UdpPacket
25 
+{
26 
+  struct EthernetHeader EthHdr;
27 
+  struct IpHeader IpHdr;
28 
+  struct UdpHeader UdpHdr;
29 
+};
30 
+
31 
+// tick procedure - call every 200ms
32 
+extern void UdpTick200( void );
33 
+
34 
+// process a received UDP packet
35 
+extern void UdpRecv( unsigned char * pData, unsigned short Length );
36 
+
37 
+// send an UDP packet
38 
+// pData must point to a struct UdpPacket with UdpHdr.SrcPort, UdpHdr.DestPort and IpHdr.Dest already initialized
39 
+extern void UdpSend( unsigned char * pData, unsigned short Length );
40 
+
41 
+#endif // #ifdef INC_udp
42 
+
firmware.dartboard/xtea.c
View file @ e8658d5
... ... 
@@ -0,0 +1,86 @@
1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#include <stdint.h>
9 
+
10 
+#include "xtea.h"
11 
+
12 
+#define delta 0x9E3779B9
13 
+
14 
+// XTEA encrypt a block of 64 bits
15 
+// - this is not block XTEA, it's the basic XTEA algorithm
16 
+static void xtea_enc_block( uint32_t key[4], uint8_t rounds, uint32_t in[2], uint32_t out[2] )
17 
+{
18 
+  uint32_t y, z, sum;
19 
+
20 
+  y = in[0];
21 
+  z = in[1];
22 
+  sum = 0;
23 
+  for( ; rounds > 0; rounds-- )
24 
+  {
25 
+    y += ((z << 4 ^ z >> 5) + z) ^ (sum + key[sum & 3]);
26 
+    sum += delta;
27 
+    z += ((y << 4 ^ y >> 5) + y) ^ (sum + key[sum >> 11 & 3]);
28 
+  }
29 
+  out[0] = y;
30 
+  out[1] = z;
31 
+}
32 
+
33 
+// XTEA decrypt a block of 64 bits
34 
+// - this is not block XTEA, it's the basic XTEA algorithm
35 
+static void xtea_dec_block( uint32_t key[4], uint8_t rounds, uint32_t in[2], uint32_t out[2] )
36 
+{
37 
+  uint32_t y, z, sum;
38 
+
39 
+  y = in[0];
40 
+  z = in[1];
41 
+  sum = (uint32_t)delta * rounds;
42 
+  for( ; rounds > 0; rounds-- )
43 
+  {
44 
+    z -= ((y << 4 ^ y >> 5) + y) ^ (sum + key[sum >> 11 & 3]);
45 
+    sum -= delta;
46 
+    y -= ((z << 4 ^ z >> 5) + z) ^ (sum + key[sum & 3]);
47 
+  }
48 
+  out[0] = y;
49 
+  out[1] = z;
50 
+}
51 
+
52 
+// XTEA encryption
53 
+// rounds should be at least 32
54 
+// p_in == p_out is allowed
55 
+// p_prev must be initialized to zero before first call to this function
56 
+void xtea_enc( uint32_t key[4], uint8_t rounds, uint64_t * p_in, uint64_t * p_out, unsigned int block_cnt, uint64_t * p_prev ) // extern
57 
+{
58 
+  uint64_t in, out;
59 
+  unsigned int i;
60 
+
61 
+  for( i = 0; i < block_cnt; i++ )
62 
+  {
63 
+    in = p_in[i] ^ *p_prev;
64 
+    xtea_enc_block( key, rounds, (uint32_t *)&in, (uint32_t *)&out );
65 
+    p_out[i] = out;
66 
+    *p_prev = out;
67 
+  }
68 
+}
69 
+
70 
+// XTEA decryption
71 
+// rounds should be at least 32
72 
+// p_in == p_out is allowed
73 
+// p_prev must be initialized to zero before first call to this function
74 
+void xtea_dec( uint32_t key[4], uint8_t rounds, uint64_t * p_in, uint64_t * p_out, unsigned int block_cnt, uint64_t * p_prev ) // extern
75 
+{
76 
+  uint64_t in, out;
77 
+  unsigned int i;
78 
+
79 
+  for( i = 0; i < block_cnt; i++ )
80 
+  {
81 
+    in = p_in[i];
82 
+    xtea_dec_block( key, rounds, (uint32_t *)&in, (uint32_t *)&out );
83 
+    p_out[i] = out ^ *p_prev;
84 
+    *p_prev = in;
85 
+  }
86 
+}
firmware.dartboard/xtea.h
View file @ e8658d5
... ... 
@@ -0,0 +1,25 @@
1 
+/* flaneth - flash and ethernet - dartboard mod
2 
+ * version 0.1 date 2008-11-09
3 
+ * Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
4 
+ * Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
5 
+ * a BlinkenArea project - http://www.blinkenarea.org/
6 
+ */
7 
+
8 
+#ifndef INC_xtea
9 
+#define INC_xtea
10 
+
11 
+#include <stdint.h>
12 
+
13 
+// XTEA encryption
14 
+// rounds should be at least 32
15 
+// p_in == p_out is allowed
16 
+// p_prev must be initialized to zero before first call to this function
17 
+extern void xtea_enc( uint32_t key[4], uint8_t rounds, uint64_t * p_in, uint64_t * p_out, unsigned int block_cnt, uint64_t * p_prev );
18 
+
19 
+// XTEA decryption
20 
+// rounds should be at least 32
21 
+// p_in == p_out is allowed
22 
+// p_prev must be initialized to zero before first call to this function
23 
+extern void xtea_dec( uint32_t key[4], uint8_t rounds, uint64_t * p_in, uint64_t * p_out, unsigned int block_cnt, uint64_t * p_prev );
24 
+
25 
+#endif // #ifndef INC_xtea
firmware/.gitignore
View file @ e8658d5
... ... 
@@ -0,0 +1,10 @@
1 
+*.d
2 
+*.lst
3 
+*.o
4 
+http_content.inc
5 
+main.eep
6 
+main.elf
7 
+main.hex
8 
+main.lss
9 
+main.map
10 
+main.sym
firmware/ChangeLog
View file @ e8658d5
... ... 
@@ -0,0 +1,22 @@
1 
+flaneth - flash and ethernet
2 
+Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
3 
+Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
4 
+a BlinkenArea project - http://www.blinkenarea.org/
5 
+
6 
+0.2 2008-11-08
7 
+--------------
8 
+added support for DHCP (client)
9 
+some small fixes in TCP/HTTP
10 
+
11 
+0.1.1 2008-05-22
12 
+----------------
13 
+bugfix CF identification (was identifying card though not detected)
14 
+implemented RTL8019AS EEPROM emulation
15 
+ - to switch first LED from COL (collision) to LINK
16 
+ - to enable FUDUP (full duplex mode)
17 
+
18 
+0.1 2008-02-11
19 
+--------------
20 
+first version
21 
+based on 8BitAmEthernet 0.4.0
22 
+
firmware/Makefile
View file @ e8658d5
... ... 
@@ -0,0 +1,449 @@
1 
+# flaneth - flash and ethernet
2 
+# Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
3 
+# Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
4 
+# a BlinkenArea project - http://www.blinkenarea.org/
5 
+
6 
+include Makefile.conf
7 
+
8 
+# WinAVR Sample makefile written by Eric B. Weddington, J�rg Wunsch, et al.
9 
+# Released to the Public Domain
10 
+# Please read the make user manual!
11 
+#
12 
+# Additional material for this makefile was submitted by:
13 
+#  Tim Henigan
14 
+#  Peter Fleury
15 
+#  Reiner Patommel
16 
+#  Sander Pool
17 
+#  Frederik Rouleau
18 
+#  Markus Pfaff
19 
+#  Stefan Schuermans
20 
+#
21 
+# On command line:
22 
+#
23 
+# make all = Make software.
24 
+#
25 
+# make clean = Clean out built project files.
26 
+#
27 
+# make coff = Convert ELF to AVR COFF (for use with AVR Studio 3.x or VMLAB).
28 
+#
29 
+# make extcoff = Convert ELF to AVR Extended COFF (for use with AVR Studio
30 
+#                4.07 or greater).
31 
+#
32 
+# make program_fuses = Set the fuse bits of the device, using avrdude.  Please
33 
+#                      customize the avrdude settings below first!
34 
+#
35 
+# make program = Download the hex file to the device, using avrdude.  Please
36 
+#                customize the avrdude settings below first!
37 
+#
38 
+# make filename.s = Just compile filename.c into the assembler code only
39 
+#
40 
+# To rebuild project do "make clean" then "make all".
41 
+#
42 
+
43 
+
44 
+# MCU name
45 
+MCU = atmega128
46 
+
47 
+# Output format. (can be srec, ihex, binary)
48 
+FORMAT = ihex
49 
+
50 
+# Target file name (without extension).
51 
+TARGET = main
52 
+
53 
+# Optimization level, can be [0, 1, 2, 3, s]. 0 turns off optimization.
54 
+# (Note: 3 is not always the best optimization level. See avr-libc FAQ.)
55 
+OPT = s
56 
+
57 
+
58 
+# List C source files here. (C dependencies are automatically generated.)
59 
+SRC = $(TARGET).c
60 
+
61 
+# If there is more than one source file, append them above, or modify and
62 
+# uncomment the following:
63 
+SRC += arp.c bus.c cf.c checksum.c config.c dhcp.c eeprom.c \
64 
+       ethernet.c http.c icmp.c ip.c random.c rtl8019.c \
65 
+       ser62500.c status.c tcp.c timing.c uart.c udp.c \
66 
+       xtea.c
67 
+
68 
+# You can also wrap lines by appending a backslash to the end of the line:
69 
+#SRC += baz.c \
70 
+#xyzzy.c
71 
+
72 
+
73 
+
74 
+# List Assembler source files here.
75 
+# Make them always end in a capital .S.  Files ending in a lowercase .s
76 
+# will not be considered source files but generated files (assembler
77 
+# output from the compiler), and will be deleted upon "make clean"!
78 
+# Even though the DOS/Win* filesystem matches both .s and .S the same,
79 
+# it will preserve the spelling of the filenames, and gcc itself does
80 
+# care about how the name is spelled on its command-line.
81 
+ASRC = ser62500_asm.S
82 
+
83 
+
84 
+# List any extra directories to look for include files here.
85 
+#     Each directory must be seperated by a space.
86 
+EXTRAINCDIRS =
87 
+
88 
+
89 
+# Optional compiler flags.
90 
+#  -g:        generate debugging information (for GDB, or for COFF conversion)
91 
+#  -O*:       optimization level
92 
+#  -f...:     tuning, see gcc manual and avr-libc documentation
93 
+#  -Wall...:  warning level
94 
+#  -Wa,...:   tell GCC to pass this to the assembler.
95 
+#    -ahlms:  create assembler listing
96 
+CFLAGS = -g -O$(OPT) \
97 
+-funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums \
98 
+-Wall -Wstrict-prototypes \
99 
+-Wa,-adhlns=$(<:.c=.lst) \
100 
+$(patsubst %,-I%,$(EXTRAINCDIRS)) \
101 
+$(DBG_FLAGS)
102 
+
103 
+
104 
+# Set a "language standard" compiler flag.
105 
+#   Unremark just one line below to set the language standard to use.
106 
+#   gnu99 = C99 + GNU extensions. See GCC manual for more information.
107 
+#CFLAGS += -std=c89
108 
+#CFLAGS += -std=gnu89
109 
+#CFLAGS += -std=c99
110 
+CFLAGS += -std=gnu99
111 
+
112 
+# do not use C99 strict aliasing rules
113 
+#   this kills some warnings occuring when casting pointer types
114 
+CFLAGS += -fno-strict-aliasing
115 
+
116 
+
117 
+
118 
+# Optional assembler flags.
119 
+#  -Wa,...:   tell GCC to pass this to the assembler.
120 
+#  -ahlms:    create listing
121 
+#  -gstabs:   have the assembler create line number information; note that
122 
+#             for use in COFF files, additional information about filenames
123 
+#             and function names needs to be present in the assembler source
124 
+#             files -- see avr-libc docs [FIXME: not yet described there]
125 
+ASFLAGS = -Wa,-adhlns=$(<:.S=.lst),-gstabs
126 
+
127 
+
128 
+
129 
+# Optional linker flags.
130 
+#  -Wl,...:   tell GCC to pass this to linker.
131 
+#  -Map:      create map file
132 
+#  --cref:    add cross reference to  map file
133 
+LDFLAGS = -Wl,-Map=$(TARGET).map,--cref
134 
+
135 
+
136 
+
137 
+# Additional libraries
138 
+
139 
+# Minimalistic printf version
140 
+#LDFLAGS += -Wl,-u,vfprintf -lprintf_min
141 
+
142 
+# Floating point printf version (requires -lm below)
143 
+#LDFLAGS += -Wl,-u,vfprintf -lprintf_flt
144 
+
145 
+# -lm = math library
146 
+LDFLAGS += -lm
147 
+
148 
+
149 
+
150 
+# rebuilding is required if one of the following files is changed
151 
+REBUILD_DEPS = Makefile.conf
152 
+
153 
+
154 
+
155 
+# Programming support using avrdude. Settings and variables.
156 
+
157 
+# Programming hardware: alf avr910 avrisp bascom bsd
158 
+# dt006 pavr picoweb pony-stk200 sp12 stk200 stk500
159 
+#
160 
+# Type: avrdude -c ?
161 
+# to get a full listing.
162 
+#
163 
+#AVRDUDE_PROGRAMMER = stk200
164 
+AVRDUDE_PROGRAMMER = avrisp2
165 
+
166 
+
167 
+#AVRDUDE_PORT = com1	# programmer connected to serial device
168 
+#AVRDUDE_PORT = lpt1	# programmer connected to parallel port
169 
+#AVRDUDE_PORT = /dev/parport0
170 
+AVRDUDE_PORT = usb
171 
+
172 
+AVRDUDE_WRITE_FLASH = -U flash:w:$(TARGET).hex
173 
+#AVRDUDE_WRITE_EEPROM = -U eeprom:w:$(TARGET).eep
174 
+
175 
+AVRDUDE_FLAGS = -p $(MCU) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER)
176 
+
177 
+# Uncomment the following if you want avrdude's erase cycle counter.
178 
+# Note that this counter needs to be initialized first using -Yn,
179 
+# see avrdude manual.
180 
+#AVRDUDE_ERASE += -y
181 
+
182 
+# Uncomment the following if you do /not/ wish a verification to be
183 
+# performed after programming the device.
184 
+#AVRDUDE_FLAGS += -V
185 
+
186 
+# Increase verbosity level.  Please use this when submitting bug
187 
+# reports about avrdude. See <http://savannah.nongnu.org/projects/avrdude>
188 
+# to submit bug reports.
189 
+#AVRDUDE_FLAGS += -v -v
190 
+
191 
+AVRDUDE_WRITE_FUSES = -u -U lfuse:w:0xAF:m -U hfuse:w:0xC9:m -U efuse:w:0xFF:m
192 
+
193 
+
194 
+
195 
+# ---------------------------------------------------------------------------
196 
+
197 
+# Define directories, if needed.
198 
+DIRAVR =
199 
+DIRAVRBIN =
200 
+DIRAVRUTILS =
201 
+DIRINC =
202 
+DIRLIB =
203 
+
204 
+
205 
+# Define programs and commands.
206 
+SHELL = sh
207 
+
208 
+CC = avr-gcc
209 
+
210 
+OBJCOPY = avr-objcopy
211 
+OBJDUMP = avr-objdump
212 
+SIZE = avr-size
213 
+
214 
+
215 
+# Programming support using avrdude.
216 
+AVRDUDE = avrdude
217 
+
218 
+
219 
+REMOVE = rm -f
220 
+COPY = cp
221 
+
222 
+HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex
223 
+ELFSIZE = $(SIZE) -A $(TARGET).elf
224 
+
225 
+
226 
+
227 
+# Define Messages
228 
+# English
229 
+MSG_ERRORS_NONE = Errors: none
230 
+MSG_BEGIN = -------- begin --------
231 
+MSG_END = --------  end  --------
232 
+MSG_SIZE_BEFORE = Size before:
233 
+MSG_SIZE_AFTER = Size after:
234 
+MSG_COFF = Converting to AVR COFF:
235 
+MSG_EXTENDED_COFF = Converting to AVR Extended COFF:
236 
+MSG_FLASH = Creating load file for Flash:
237 
+MSG_EEPROM = Creating load file for EEPROM:
238 
+MSG_EXTENDED_LISTING = Creating Extended Listing:
239 
+MSG_SYMBOL_TABLE = Creating Symbol Table:
240 
+MSG_LINKING = Linking:
241 
+MSG_COMPILING = Compiling:
242 
+MSG_ASSEMBLING = Assembling:
243 
+MSG_CLEANING = Cleaning project:
244 
+
245 
+
246 
+
247 
+
248 
+# Define all object files.
249 
+OBJ = $(SRC:.c=.o) $(ASRC:.S=.o)
250 
+
251 
+# Define all listing files.
252 
+LST = $(ASRC:.S=.lst) $(SRC:.c=.lst)
253 
+
254 
+# Combine all necessary flags and optional flags.
255 
+# Add target processor to flags.
256 
+ALL_CFLAGS = -mmcu=$(MCU) -I. $(CFLAGS)
257 
+ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
258 
+
259 
+
260 
+
261 
+# Default target.
262 
+all: my_all begin gccversion sizebefore $(TARGET).elf $(TARGET).hex $(TARGET).eep \
263 
+	$(TARGET).lss $(TARGET).sym sizeafter finished end
264 
+
265 
+# Debug target.
266 
+debug: DBG_FLAGS=-DDEBUG
267 
+debug: all
268 
+
269 
+
270 
+# Eye candy.
271 
+# AVR Studio 3.x does not check make's exit code but relies on
272 
+# the following magic strings to be generated by the compile job.
273 
+begin:
274 
+	@echo
275 
+	@echo $(MSG_BEGIN)
276 
+
277 
+finished:
278 
+	@echo $(MSG_ERRORS_NONE)
279 
+
280 
+end:
281 
+	@echo $(MSG_END)
282 
+	@echo
283 
+
284 
+
285 
+# Display size of file.
286 
+sizebefore:
287 
+	@if [ -f $(TARGET).elf ]; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); echo; fi
288 
+
289 
+sizeafter:
290 
+	@if [ -f $(TARGET).elf ]; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); echo; fi
291 
+
292 
+
293 
+
294 
+# Display compiler version information.
295 
+gccversion :
296 
+	@$(CC) --version
297 
+
298 
+
299 
+
300 
+
301 
+# Convert ELF to COFF for use in debugging / simulating in
302 
+# AVR Studio or VMLAB.
303 
+COFFCONVERT=$(OBJCOPY) --debugging \
304 
+	--change-section-address .data-0x800000 \
305 
+	--change-section-address .bss-0x800000 \
306 
+	--change-section-address .noinit-0x800000 \
307 
+	--change-section-address .eeprom-0x810000
308 
+
309 
+
310 
+coff: $(TARGET).elf
311 
+	@echo
312 
+	@echo $(MSG_COFF) $(TARGET).cof
313 
+	$(COFFCONVERT) -O coff-avr $< $(TARGET).cof
314 
+
315 
+
316 
+extcoff: $(TARGET).elf
317 
+	@echo
318 
+	@echo $(MSG_EXTENDED_COFF) $(TARGET).cof
319 
+	$(COFFCONVERT) -O coff-ext-avr $< $(TARGET).cof
320 
+
321 
+
322 
+
323 
+# Program the device fuses.
324 
+program_fuses:
325 
+	$(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FUSES)
326 
+
327 
+# Program the device.
328 
+program: $(TARGET).hex $(TARGET).eep
329 
+	$(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH) $(AVRDUDE_WRITE_EEPROM)
330 
+
331 
+
332 
+
333 
+
334 
+# Create final output files (.hex, .eep) from ELF output file.
335 
+%.hex: %.elf
336 
+	@echo
337 
+	@echo $(MSG_FLASH) $@
338 
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
339 
+
340 
+%.eep: %.elf
341 
+	@echo
342 
+	@echo $(MSG_EEPROM) $@
343 
+	-$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \
344 
+	--change-section-lma .eeprom=0 -O $(FORMAT) $< $@
345 
+
346 
+# Create extended listing file from ELF output file.
347 
+%.lss: %.elf
348 
+	@echo
349 
+	@echo $(MSG_EXTENDED_LISTING) $@
350 
+	$(OBJDUMP) -h -S $< > $@
351 
+
352 
+# Create a symbol table from ELF output file.
353 
+%.sym: %.elf
354 
+	@echo
355 
+	@echo $(MSG_SYMBOL_TABLE) $@
356 
+	avr-nm -n $< > $@
357 
+
358 
+
359 
+
360 
+# Link: create ELF output file from object files.
361 
+.SECONDARY : $(TARGET).elf
362 
+.PRECIOUS : $(OBJ)
363 
+%.elf: $(OBJ)
364 
+	@echo
365 
+	@echo $(MSG_LINKING) $@
366 
+	$(CC) $(ALL_CFLAGS) $(OBJ) --output $@ $(LDFLAGS)
367 
+
368 
+
369 
+# Compile: create object files from C source files.
370 
+%.o : %.c $(REBUILD_DEPS)
371 
+	@echo
372 
+	@echo $(MSG_COMPILING) $<
373 
+	$(CC) -c $(ALL_CFLAGS) $< -o $@
374 
+
375 
+
376 
+# Compile: create assembler files from C source files.
377 
+%.s : %.c $(REBUILD_DEPS)
378 
+	$(CC) -S $(ALL_CFLAGS) $< -o $@
379 
+
380 
+
381 
+# Assemble: create object files from assembler source files.
382 
+%.o : %.S $(REBUILD_DEPS)
383 
+	@echo
384 
+	@echo $(MSG_ASSEMBLING) $<
385 
+	$(CC) -c $(ALL_ASFLAGS) $< -o $@
386 
+
387 
+
388 
+
389 
+
390 
+
391 
+
392 
+# Target: clean project.
393 
+clean: my_clean begin clean_list finished end
394 
+
395 
+clean_list :
396 
+	@echo
397 
+	@echo $(MSG_CLEANING)
398 
+	$(REMOVE) $(TARGET).hex
399 
+	$(REMOVE) $(TARGET).eep
400 
+	$(REMOVE) $(TARGET).obj
401 
+	$(REMOVE) $(TARGET).cof
402 
+	$(REMOVE) $(TARGET).elf
403 
+	$(REMOVE) $(TARGET).map
404 
+	$(REMOVE) $(TARGET).obj
405 
+	$(REMOVE) $(TARGET).a90
406 
+	$(REMOVE) $(TARGET).sym
407 
+	$(REMOVE) $(TARGET).lnk
408 
+	$(REMOVE) $(TARGET).lss
409 
+	$(REMOVE) $(OBJ)
410 
+	$(REMOVE) $(LST)
411 
+	$(REMOVE) $(SRC:.c=.s)
412 
+	$(REMOVE) $(SRC:.c=.d)
413 
+
414 
+
415 
+# Automatically generate C source code dependencies.
416 
+# (Code originally taken from the GNU make user manual and modified
417 
+# (See README.txt Credits).)
418 
+#
419 
+# Note that this will work with sh (bash) and sed that is shipped with WinAVR
420 
+# (see the SHELL variable defined above).
421 
+# This may not work with other shells or other seds.
422 
+#
423 
+%.d: %.c $(REBUILD_DEPS)
424 
+	set -e; $(CC) -MM $(ALL_CFLAGS) $< \
425 
+	| sed 's,\(.*\)\.o[ :]*,\1.o \1.d : ,g' > $@; \
426 
+	[ -s $@ ] || rm -f $@
427 
+
428 
+http.d: http.c http_content.inc
429 
+
430 
+
431 
+# Remove the '-' if you want to see the dependency files generated.
432 
+include $(SRC:.c=.d)
433 
+
434 
+
435 
+
436 
+my_all: http_content.inc
437 
+
438 
+http_content.inc: http_content.pl http_$(HTTP_SKIN)/* $(REBUILD_DEPS)
439 
+	./http_content.pl http_$(HTTP_SKIN) http_content.inc || rm -f http_content.inc http_content.inc
440 
+
441 
+my_clean:
442 
+	rm -f http_content.inc
443 
+
444 
+
445 
+
446 
+# Listing of phony targets.
447 
+.PHONY : all begin finish end sizebefore sizeafter gccversion coff extcoff \
448 
+	clean clean_list program_fuses program my_all my_clean
449 
+
firmware/Makefile.conf
View file @ e8658d5
... ... 
@@ -0,0 +1,8 @@
1 
+# flaneth - flash and ethernet
2 
+# Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
3 
+# Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
4 
+# a BlinkenArea project - http://www.blinkenarea.org/
5 
+
6 
+# skin to use on http interface
7 
+# HTTP_SKIN=[classic|simple|oldschool|oldschool_de]
8 
+HTTP_SKIN = oldschool
firmware/arp.c
View file @ e8658d5
... ... 
@@ -0,0 +1,238 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#include "arp.h"
7 
+#include "config.h"
8 
+#include "debug.h"
9 
+#include "ethernet.h"
10 
+#include "ip.h"
11 
+#include "macros.h"
12 
+#include "nethelp.h"
13 
+
14 
+// timing parameters
15 
+#define ArpTicksMax 150 // maximum age of ARP table entries (in 200ms steps)
16 
+#define ArpNoMacTicksMax 50     // maximum age of ARP table entries without
17 
+                                // MAC (in 200ms steps)
18 
+#define ArpRetryTicks 8 // time after which to retry ARP query (must be power
19 
+                        // of 2, in 200ms steps)
20 
+
21 
+// ARP table
22 
+#define ArpTabFlagInUse 0x01
23 
+#define ArpTabFlagMacOk 0x02
24 
+struct ArpTable {
25 
+  unsigned char Flags;  // flags - see constants
26 
+  unsigned char Ticks;  // age of entry in 200ms steps
27 
+  unsigned char Mac[6];
28 
+  unsigned char Ip[4];
29 
+} ArpTab[12];
30 
+
31 
+// initialize
32 
+void ArpInit(void)      // (extern)
33 
+{
34 
+  unsigned char i;
35 
+
36 
+  // empty ARP tabale
37 
+  for (i = 0; i < count(ArpTab); i++)
38 
+    ArpTab[i].Flags = 0;
39 
+}
40 
+
41 
+// send an ARP request
42 
+static void ArpSendRequest(unsigned char *pIp)
43 
+{
44 
+  struct ArpPacket ArpRequest;
45 
+
46 
+  debug_arp_printf("send req ip=%u.%u.%u.%u", pIp[0], pIp[1], pIp[2], pIp[3]);
47 
+
48 
+  // build ARP request
49 
+  ArpRequest.ArpHdr.HwType = htons(0x0001);     // ethernet
50 
+  ArpRequest.ArpHdr.ProtoType = htons(0x0800);  // IP
51 
+  ArpRequest.ArpHdr.HwLen = 0x06;       // length of a MAC address
52 
+  ArpRequest.ArpHdr.ProtoLen = 0x04;    // length of an IP address
53 
+  ArpRequest.ArpHdr.Op = htons(0x0001); // ARP request
54 
+  mac_cpy(ArpRequest.ArpHdr.SrcMac, ConfigMac); // own MAC
55 
+  ip_cpy(ArpRequest.ArpHdr.SrcIp, ConfigIp);    // own IP
56 
+  mac_cpy(ArpRequest.ArpHdr.DestMac, "\xFF\xFF\xFF\xFF\xFF\xFF");       // broadcast
57 
+                                                                        // MAC
58 
+  ip_cpy(ArpRequest.ArpHdr.DestIp, pIp);        // requested IP
59 
+
60 
+  // sent ARP request
61 
+  mac_cpy(ArpRequest.EthHdr.Dest, ArpRequest.ArpHdr.DestMac);   // ethernet
62 
+                                                                // destination
63 
+                                                                // address
64 
+  ArpRequest.EthHdr.Type = htons(0x0806);       // ethernet packet type: ARP
65 
+  EthernetSend((unsigned char *)&ArpRequest, sizeof(ArpRequest));
66 
+}
67 
+
68 
+// tick procedure - call every 200ms
69 
+void ArpTick200(void)   // (extern)
70 
+{
71 
+  unsigned char i;
72 
+
73 
+  // increase age of ARP table entires and remove timed out ones
74 
+  for (i = 0; i < count(ArpTab); i++) {
75 
+    if (ArpTab[i].Flags & ArpTabFlagInUse)      // entry in use
76 
+    {
77 
+      ArpTab[i].Ticks++;        // increase age
78 
+      if (ArpTab[i].Flags & ArpTabFlagMacOk)    // entry has got a MAC
79 
+      {
80 
+        if (ArpTab[i].Ticks > ArpTicksMax)      // too old
81 
+          ArpTab[i].Flags = 0;  // remove entry
82 
+      } else    // entry has not got a MAC
83 
+      {
84 
+        if (ArpTab[i].Ticks > ArpNoMacTicksMax) // too old
85 
+          ArpTab[i].Flags = 0;  // remove entry
86 
+        else if ((ArpTab[i].Ticks & (ArpRetryTicks - 1)) == 0)  // retry ARP
87 
+                                                                // request
88 
+          ArpSendRequest(ArpTab[i].Ip);
89 
+      }
90 
+    }
91 
+  }
92 
+}
93 
+
94 
+// process a received ARP packet
95 
+void ArpRecv(unsigned char *pData, unsigned short Length)       // (extern)
96 
+{
97 
+  struct ArpPacket *pArpPack;
98 
+
99 
+  // packet too short
100 
+  if (Length < sizeof(struct ArpPacket))
101 
+    return;
102 
+
103 
+  // convert pointer to ARP packet
104 
+  // (this saves us from always casting pData)
105 
+  pArpPack = (struct ArpPacket *)pData;
106 
+
107 
+  // not IP over ethernet
108 
+  if (pArpPack->ArpHdr.HwType != htons(0x0001) ||       // ethernet
109 
+      pArpPack->ArpHdr.ProtoType != htons(0x0800) ||    // IP
110 
+      pArpPack->ArpHdr.HwLen != 0x06 || // length of a MAC address
111 
+      pArpPack->ArpHdr.ProtoLen != 0x04)        // length of an IP address
112 
+    // we do not support other protocols than IP over ethernet
113 
+    return;
114 
+
115 
+  // source MAC is broadcast MAC
116 
+  if (mac_eq(pArpPack->ArpHdr.SrcMac, "\xFF\xFF\xFF\xFF\xFF\xFF"))
117 
+    // broadcast MAC cannot be source, this is some kind of attack, get lost!
118 
+    return;
119 
+
120 
+  // ARP request for own IP address
121 
+  if (pArpPack->ArpHdr.Op == htons(0x0001) &&   // ARP request
122 
+      ip_eq(pArpPack->ArpHdr.DestIp, ConfigIp)) // own IP address
123 
+  {
124 
+    struct ArpPacket ArpReply;
125 
+    // build ARP reply
126 
+    ArpReply.ArpHdr.HwType = htons(0x0001);     // ethernet
127 
+    ArpReply.ArpHdr.ProtoType = htons(0x0800);  // IP
128 
+    ArpReply.ArpHdr.HwLen = 0x06;       // length of a MAC address
129 
+    ArpReply.ArpHdr.ProtoLen = 0x04;    // length of an IP address
130 
+    ArpReply.ArpHdr.Op = htons(0x0002); // ARP reply
131 
+    mac_cpy(ArpReply.ArpHdr.SrcMac, ConfigMac); // own MAC
132 
+    ip_cpy(ArpReply.ArpHdr.SrcIp, ConfigIp);    // own IP
133 
+    mac_cpy(ArpReply.ArpHdr.DestMac, pArpPack->ArpHdr.SrcMac);  // requestor's
134 
+                                                                // MAC
135 
+    ip_cpy(ArpReply.ArpHdr.DestIp, pArpPack->ArpHdr.SrcIp);     // requestor's
136 
+                                                                // IP
137 
+
138 
+    debug_arp_printf
139 
+        ("recv req src=%02X:%02X:%02X:%02X:%02X:%02X ip=%u.%u.%u.%u",
140 
+         pArpPack->ArpHdr.SrcMac[0], pArpPack->ArpHdr.SrcMac[1],
141 
+         pArpPack->ArpHdr.SrcMac[2], pArpPack->ArpHdr.SrcMac[3],
142 
+         pArpPack->ArpHdr.SrcMac[4], pArpPack->ArpHdr.SrcMac[5],
143 
+         pArpPack->ArpHdr.SrcIp[0], pArpPack->ArpHdr.SrcIp[1],
144 
+         pArpPack->ArpHdr.SrcIp[2], pArpPack->ArpHdr.SrcIp[3]);
145 
+
146 
+    // sent ARP reply
147 
+    mac_cpy(ArpReply.EthHdr.Dest, ArpReply.ArpHdr.DestMac);     // ethernet
148 
+                                                                // destination
149 
+                                                                // address
150 
+    ArpReply.EthHdr.Type = htons(0x0806);       // ethernet packet type: ARP
151 
+    EthernetSend((unsigned char *)&ArpReply, sizeof(ArpReply));
152 
+    return;
153 
+  }
154 
+  // ARP reply to own MAC address and own IP address
155 
+  if (pArpPack->ArpHdr.Op == htons(0x0002) &&   // ARP reply
156 
+      mac_eq(pArpPack->ArpHdr.DestMac, ConfigMac) &&    // own MAC address
157 
+      ip_eq(pArpPack->ArpHdr.DestIp, ConfigIp)) // own IP address
158 
+  {
159 
+    unsigned char i;
160 
+
161 
+    debug_arp_printf
162 
+        ("recv reply src=%02X:%02X:%02X:%02X:%02X:%02X ip=%u.%u.%u.%u",
163 
+         pArpPack->ArpHdr.SrcMac[0], pArpPack->ArpHdr.SrcMac[1],
164 
+         pArpPack->ArpHdr.SrcMac[2], pArpPack->ArpHdr.SrcMac[3],
165 
+         pArpPack->ArpHdr.SrcMac[4], pArpPack->ArpHdr.SrcMac[5],
166 
+         pArpPack->ArpHdr.SrcIp[0], pArpPack->ArpHdr.SrcIp[1],
167 
+         pArpPack->ArpHdr.SrcIp[2], pArpPack->ArpHdr.SrcIp[3]);
168 
+
169 
+    // search IP in ARP tabale
170 
+    for (i = 0; i < count(ArpTab); i++)
171 
+      if ((ArpTab[i].Flags & ArpTabFlagInUse) &&
172 
+          ip_eq(pArpPack->ArpHdr.SrcIp, ArpTab[i].Ip))
173 
+        break;
174 
+    // if found in ARP table
175 
+    // (we do not want to put an entry in the ARP table
176 
+    // if we have not asked for the MAC of this IP)
177 
+    if (i < count(ArpTab)) {
178 
+      // update ARP table entry
179 
+      ArpTab[i].Flags = ArpTabFlagInUse | ArpTabFlagMacOk;
180 
+      ArpTab[i].Ticks = 0;
181 
+      mac_cpy(ArpTab[i].Mac, pArpPack->ArpHdr.SrcMac);
182 
+      // notify IP
183 
+      // - IP might be waiting for the MAC to transmit a packet
184 
+      IpGotMac(ArpTab[i].Ip, ArpTab[i].Mac);
185 
+    }
186 
+    return;
187 
+  }
188 
+
189 
+}
190 
+
191 
+// lookup the MAC for an IP address
192 
+// returns 0x00 in case of success, 0x01 if the MAC address is unknown
193 
+unsigned char ArpLookup(unsigned char *pIp, unsigned char *pMac)        // (extern)
194 
+{
195 
+  unsigned char i, j;
196 
+
197 
+  // own IP
198 
+  if (ip_eq(pIp, ConfigIp))
199 
+    // own IP may not be looked up via ARP
200 
+    return 0x01;
201 
+
202 
+  // search IP in ARP tabale
203 
+  for (i = 0; i < count(ArpTab); i++)
204 
+    if ((ArpTab[i].Flags & ArpTabFlagInUse) && ip_eq(pIp, ArpTab[i].Ip))
205 
+      break;
206 
+
207 
+  // not found
208 
+  if (i >= count(ArpTab)) {
209 
+    // find a free entry
210 
+    for (i = 0; i < count(ArpTab); i++)
211 
+      if (!(ArpTab[i].Flags & ArpTabFlagInUse))
212 
+        break;
213 
+
214 
+    // no free entry
215 
+    if (i >= count(ArpTab)) {
216 
+      // find oldest entry
217 
+      i = 0;
218 
+      for (j = 1; j < count(ArpTab); j++)
219 
+        if (ArpTab[j].Ticks > ArpTab[i].Ticks)
220 
+          i = j;
221 
+    }
222 
+    // set up this entry
223 
+    ArpTab[i].Flags = ArpTabFlagInUse;
224 
+    ArpTab[i].Ticks = 0;
225 
+    ip_cpy(ArpTab[i].Ip, pIp);
226 
+  }
227 
+  // MAC available
228 
+  if (ArpTab[i].Flags & ArpTabFlagMacOk) {
229 
+    // return MAC and success
230 
+    mac_cpy(pMac, ArpTab[i].Mac);
231 
+    return 0x00;
232 
+  }
233 
+  // send ARP request
234 
+  ArpSendRequest(pIp);
235 
+
236 
+  // return no success for now
237 
+  return 0x01;
238 
+}
firmware/arp.h
View file @ e8658d5
... ... 
@@ -0,0 +1,43 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#ifndef INC_arp
7 
+#define INC_arp
8 
+
9 
+#include "ethernet.h"
10 
+
11 
+// header of an ARP packet
12 
+struct ArpHeader {
13 
+  unsigned short HwType;
14 
+  unsigned short ProtoType;
15 
+  unsigned char HwLen;
16 
+  unsigned char ProtoLen;
17 
+  unsigned short Op;
18 
+  unsigned char SrcMac[6];
19 
+  unsigned char SrcIp[4];
20 
+  unsigned char DestMac[6];
21 
+  unsigned char DestIp[4];
22 
+};
23 
+
24 
+// an ARP packet
25 
+struct ArpPacket {
26 
+  struct EthernetHeader EthHdr;
27 
+  struct ArpHeader ArpHdr;
28 
+};
29 
+
30 
+// initialize
31 
+extern void ArpInit(void);
32 
+
33 
+// tick procedure - call every 200ms
34 
+extern void ArpTick200(void);
35 
+
36 
+// process a received ARP packet
37 
+extern void ArpRecv(unsigned char *pData, unsigned short Length);
38 
+
39 
+// lookup the MAC for an IP address
40 
+// returns 0x00 in case of success, 0x01 if the MAC address is unknown
41 
+extern unsigned char ArpLookup(unsigned char *pIp, unsigned char *pMac);
42 
+
43 
+#endif // #ifdef INC_arp
firmware/bus.c
View file @ e8658d5
... ... 
@@ -0,0 +1,28 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#include <avr/io.h>
7 
+
8 
+#include "bus.h"
9 
+
10 
+// initialize
11 
+void BusInit(void)      // (extern)
12 
+{
13 
+  // address port to output
14 
+  BUS_ADDR = 0x00;      // default address
15 
+  BUS_ADDR_DDR = 0xFF;  // output
16 
+
17 
+  // data port to input
18 
+  BUS_DATA = 0x00;      // pull-ups off
19 
+  BUS_DATA_DDR = 0x00;  // input
20 
+
21 
+  // read pin to output
22 
+  bit_set(BUS_PORT_nRD, BUS_BIT_nRD);   // nRD to high
23 
+  bit_set(BUS_DDR_nRD, BUS_BIT_nRD);    // output
24 
+
25 
+  // write pin to output
26 
+  bit_set(BUS_PORT_nWR, BUS_BIT_nWR);   // nWR to high
27 
+  bit_set(BUS_DDR_nWR, BUS_BIT_nWR);    // output
28 
+}
firmware/bus.h
View file @ e8658d5
... ... 
@@ -0,0 +1,33 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#ifndef INC_bus
7 
+#define INC_bus
8 
+
9 
+#include "macros.h"
10 
+
11 
+// IO pins of bus
12 
+#define BUS_ADDR_DDR (DDRG)
13 
+#define BUS_ADDR (PORTG)
14 
+#define BUS_DATA_DDR (DDRA)
15 
+#define BUS_DATA (PORTA)
16 
+#define BUS_DATA_IN (PINA)
17 
+#define BUS_DDR_nRD (DDRE)
18 
+#define BUS_PORT_nRD (PORTE)
19 
+#define BUS_BIT_nRD (6)
20 
+#define BUS_DDR_nWR (DDRE)
21 
+#define BUS_PORT_nWR (PORTE)
22 
+#define BUS_BIT_nWR (7)
23 
+
24 
+// special pin commands
25 
+#define BUS_READ_ACT( ) (bit_clear( BUS_PORT_nRD, BUS_BIT_nRD ))
26 
+#define BUS_READ_IDLE( ) (bit_set( BUS_PORT_nRD, BUS_BIT_nRD ))
27 
+#define BUS_WRITE_ACT( ) (bit_clear( BUS_PORT_nWR, BUS_BIT_nWR ))
28 
+#define BUS_WRITE_IDLE( ) (bit_set( BUS_PORT_nWR, BUS_BIT_nWR ))
29 
+
30 
+// initialize
31 
+extern void BusInit(void);
32 
+
33 
+#endif // #ifndef INC_bus
firmware/cf.c
View file @ e8658d5
... ... 
@@ -0,0 +1,664 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#include <avr/io.h>
7 
+
8 
+#include "bus.h"
9 
+#include "cf.h"
10 
+#include "config.h"
11 
+#include "debug.h"
12 
+#include "macros.h"
13 
+#include "status.h"
14 
+#include "timing.h"
15 
+
16 
+// IO pins of compact flash
17 
+#define CF_DDR_nCD (DDRB)
18 
+#define CF_PORT_nCD (PORTB)
19 
+#define CF_PIN_nCD (PINB)
20 
+#define CF_BIT_nCD (4)
21 
+#define CF_DDR_nRST (DDRB)
22 
+#define CF_PORT_nRST (PORTB)
23 
+#define CF_BIT_nRST (5)
24 
+#define CF_DDR_RDY (DDRB)
25 
+#define CF_PORT_RDY (PORTB)
26 
+#define CF_PIN_RDY (PINB)
27 
+#define CF_BIT_RDY (7)
28 
+#define CF_DDR_nCE (DDRB)
29 
+#define CF_PORT_nCE (PORTB)
30 
+#define CF_BIT_nCE (6)
31 
+// special pin commands
32 
+#define CF_IS_DETECT() (is_bit_clear(CF_PIN_nCD, CF_BIT_nCD))
33 
+#define CF_RESET_ACT() (bit_clear(CF_PORT_nRST, CF_BIT_nRST))
34 
+#define CF_RESET_IDLE() (bit_set(CF_PORT_nRST, CF_BIT_nRST))
35 
+#define CF_IS_READY() (is_bit_set(CF_PIN_RDY, CF_BIT_RDY))
36 
+#define CF_CE_ACT() (bit_clear(CF_PORT_nCE, CF_BIT_nCE))
37 
+#define CF_CE_IDLE() (bit_set(CF_PORT_nCE, CF_BIT_nCE))
38 
+
39 
+// compact flash registers
40 
+#define CF_REG_DATA (0x00)
41 
+#define CF_REG_ERR (0x01)
42 
+#define CF_REG_SEC_CNT (0x02)
43 
+#define CF_REG_SEC_NO (0x03)
44 
+#define CF_REG_CYL_L (0x04)
45 
+#define CF_REG_CYL_H (0x05)
46 
+#define CF_REG_HEAD (0x06)
47 
+#define CF_REG_STATUS (0x07)
48 
+#define CF_REG_CMD (0x07)
49 
+
50 
+// compact flash status bits
51 
+#define CF_SB_BUSY (7)
52 
+#define CF_SB_RDY (6)
53 
+#define CF_SB_DWF (5)
54 
+#define CF_SB_DSC (4)
55 
+#define CF_SB_DRQ (3)
56 
+#define CF_SB_CORR (2)
57 
+#define CF_SB_IDX (1)
58 
+#define CF_SB_ERR (0)
59 
+
60 
+// compact flash commands
61 
+#define CF_CMD_IDENTIFY (0xEC)
62 
+#define CF_CMD_READ_SEC (0x20)
63 
+#define CF_CMD_WRITE_SEC (0x30)
64 
+
65 
+// some number of bytes
66 
+#define CF_BYTES_AT_ONCE (32)   // number of bytes to read/write at once
67 
+#define CF_BYTES_IDENTIFY (124) // number of bytes to read for identify
68 
+
69 
+// interesting locations in identify data
70 
+#define CF_ID_OFS_ID_16 (0)     // CF identifier, 16 bit
71 
+#define CF_ID_OFS_CAPA_16 (98)  // CF capabilities, 16 bit
72 
+#define CF_ID_OFS_SEC_CNT_32 (120)      // number of sectors on CF (in LBA
73 
+                                        // mode), 32 bit
74 
+
75 
+// various CF constants
76 
+#define CF_ID (0x848A)  // identifier of compact flash cards
77 
+#define CF_CAPA_BIT_LBA (9)     // bit number of the LBA bit in the CF
78 
+                                // capabilities
79 
+
80 
+// timeout value for wait for ready after reset counter (in 20ms steps)
81 
+#define CF_WAIT_READY_RESET_20_TIMEOUT (50)    // 1s
82 
+
83 
+// timeout value for wait for ready counter (in 20ms steps)
84 
+#define CF_WAIT_READY_20_TIMEOUT (4)    // 80ms
85 
+
86 
+// compact flash insertion state
87 
+enum CfInsertionState {
88 
+  CfInsNone,    // no compact flash inserted
89 
+  CfInsNew,     // new compact flash has been inserted, wait for powerup
90 
+  CfInsReset,   // resetting new compact flash
91 
+  CfInsWait,    // waiting for new compact flash to get ready after reset
92 
+  CfInsReady,   // compact flash inserted and ready to work with
93 
+  CfInsError,   // compact flash error occured, compact flash deactivated
94 
+} CfInsState = CfInsNone;
95 
+
96 
+// compact flash working state
97 
+enum CfWorkingState {
98 
+  CfWorkNone,   // no compact flash work to do
99 
+  CfWorkIdentify,       // identification of compact flash active
100 
+} CfWorkState = CfWorkNone;
101 
+
102 
+// compact flash working step
103 
+enum CfWorkingStep {
104 
+  CfStepNone,   // no step in progress
105 
+  CfStepCmdStatus,      // checking command status
106 
+  CfStepDataTransfer,   // transferring (reading/writing) data
107 
+  CfStepDataStatus,     // checking data status
108 
+} CfWorkStep = CfStepNone;
109 
+
110 
+// number of sectors on compact flash card
111 
+// - zero if no CF card is present, CF card has not yet been identified or CF
112 
+// card error occured
113 
+unsigned long CfSectorCnt = 0;
114 
+
115 
+// state of active command
116 
+unsigned long CfSectorNo = 0;   // current sector number of compact flash
117 
+unsigned short CfNextOffset = 0;        // next offset in sector that is
118 
+                                        // processed (read, written, ...)
119 
+
120 
+// wait for ready counter of compact flash
121 
+// - counts down in 20ms steps
122 
+// - zero if inactive
123 
+unsigned char CfWaitReady20 = 0;
124 
+
125 
+// sector buffer
126 
+unsigned char CfSectorBuffer[CF_SECTOR_SIZE];   // (extern)
127 
+
128 
+// write a compact flash register (returns 1 if successful or 0 on error)
129 
+// - returns 0 on success and -1 on error
130 
+extern inline char CfWriteReg(unsigned char reg, unsigned char val)     // force
131 
+                                                                        // inlining
132 
+                                                                        // by
133 
+                                                                        // using
134 
+                                                                        // "extern"
135 
+{
136 
+  if (!CF_IS_DETECT() || !CF_IS_READY())        // check that card is present
137 
+                                                // and ready
138 
+    return -1;  // error
139 
+  BUS_DATA = val;       // output value
140 
+  BUS_DATA_DDR = 0xFF;  // data port to output
141 
+  BUS_ADDR = reg;       // output address
142 
+  CF_CE_ACT();  // set card enable
143 
+  BUS_WRITE_ACT();      // activate write signal
144 
+  nop();
145 
+  nop();
146 
+  nop();
147 
+  nop();
148 
+  nop();
149 
+  nop();
150 
+  BUS_WRITE_IDLE();     // take back write signal
151 
+  CF_CE_IDLE(); // take back card enable
152 
+  BUS_DATA_DDR = 0x00;  // data back port to input
153 
+  BUS_DATA = 0x00;      // turn off pullups
154 
+  return 0;     // success
155 
+}
156 
+
157 
+// write buffer to compact flash register
158 
+// (returns 1 if successful or 0 on error)
159 
+// - returns 0 on success and -1 on error
160 
+// - force inlining  by using "extern"
161 
+extern inline char CfWriteRegBuf(unsigned char reg, unsigned char *p_buf,
162 
+                                 unsigned short len)
163 
+{
164 
+  if (!CF_IS_DETECT() || !CF_IS_READY())        // check that card is present
165 
+                                                // and ready
166 
+    return -1;  // error
167 
+  BUS_DATA = *p_buf;    // output first value to initialize port status
168 
+                        // before switching to output
169 
+  BUS_DATA_DDR = 0xFF;  // data port to output
170 
+  BUS_ADDR = reg;       // output address
171 
+  CF_CE_ACT();  // set card enable
172 
+  for (; len > 0; p_buf++, len--) {
173 
+    if (!CF_IS_DETECT() || !CF_IS_READY())      // check that card is present
174 
+                                                // and ready
175 
+      break;
176 
+    BUS_DATA = *p_buf;  // output value
177 
+    BUS_WRITE_ACT();    // activate write signal
178 
+    nop();
179 
+    nop();
180 
+    nop();
181 
+    nop();
182 
+    nop();
183 
+    nop();
184 
+    BUS_WRITE_IDLE();   // take back write signal
185 
+  }
186 
+  CF_CE_IDLE(); // take back card enable
187 
+  BUS_DATA_DDR = 0x00;  // data back port to input
188 
+  BUS_DATA = 0x00;      // turn off pullups
189 
+  return len <= 0 ? 0 : -1;     // success if everything has been written
190 
+}
191 
+
192 
+// write constant value to compact flash register multiple times (returns 1
193 
+// if successful or 0 on error)
194 
+// - returns 0 on success and -1 on error
195 
+extern inline char CfWriteRegConst(unsigned char reg, unsigned char val, unsigned short cnt)    // force
196 
+                                                                                                // inlining
197 
+                                                                                                // by
198 
+                                                                                                // using
199 
+                                                                                                // "extern"
200 
+{
201 
+  if (!CF_IS_DETECT() || !CF_IS_READY())        // check that card is present
202 
+                                                // and ready
203 
+    return -1;  // error
204 
+  BUS_DATA = val;       // output value
205 
+  BUS_DATA_DDR = 0xFF;  // data port to output
206 
+  BUS_ADDR = reg;       // output address
207 
+  CF_CE_ACT();  // set card enable
208 
+  for (; cnt > 0; cnt--) {
209 
+    if (!CF_IS_DETECT() || !CF_IS_READY())      // check that card is present
210 
+                                                // and ready
211 
+      break;
212 
+    BUS_WRITE_ACT();    // activate write signal
213 
+    nop();
214 
+    nop();
215 
+    nop();
216 
+    nop();
217 
+    nop();
218 
+    nop();
219 
+    BUS_WRITE_IDLE();   // take back write signal
220 
+  }
221 
+  CF_CE_IDLE(); // take back card enable
222 
+  BUS_DATA_DDR = 0x00;  // data back port to input
223 
+  BUS_DATA = 0x00;      // turn off pullups
224 
+  return cnt <= 0 ? 0 : -1;     // success if everything has been written
225 
+}
226 
+
227 
+// read a compact flash register (returns 1 if successful or 0 on error)
228 
+// - returns 0 on success and -1 on error
229 
+extern inline char CfReadReg(unsigned char reg, unsigned char *p_var)   // force
230 
+                                                                        // inlining
231 
+                                                                        // by
232 
+                                                                        // using
233 
+                                                                        // "extern"
234 
+{
235 
+  if (!CF_IS_DETECT() || !CF_IS_READY())        // check that card is present
236 
+                                                // and ready
237 
+    return -1;  // error
238 
+  BUS_ADDR = reg;       // output address
239 
+  CF_CE_ACT();  // set card enable
240 
+  BUS_READ_ACT();       // activate read signal
241 
+  nop();
242 
+  nop();
243 
+  nop();
244 
+  nop();
245 
+  nop();
246 
+  nop();
247 
+  *p_var = BUS_DATA_IN; // read data
248 
+  BUS_READ_IDLE();      // take back read signal
249 
+  CF_CE_IDLE(); // take back card enable
250 
+  return 0;     // success
251 
+}
252 
+
253 
+// read buffer from a compact flash register (returns 1 if successful or 0 on
254 
+// error)
255 
+// - returns 0 on success and -1 on error
256 
+extern inline char CfReadRegBuf(unsigned char reg, unsigned char *p_buf, unsigned short len)    // force
257 
+                                                                                                // inlining
258 
+                                                                                                // by
259 
+                                                                                                // using
260 
+                                                                                                // "extern"
261 
+{
262 
+  if (!CF_IS_DETECT() || !CF_IS_READY())        // check that card is present
263 
+                                                // and ready
264 
+    return -1;  // error
265 
+  BUS_ADDR = reg;       // output address
266 
+  CF_CE_ACT();  // set card enable
267 
+  for (; len > 0; p_buf++, len--) {
268 
+    if (!CF_IS_DETECT() || !CF_IS_READY())      // check that card is present
269 
+                                                // and ready
270 
+      break;
271 
+    BUS_READ_ACT();     // activate read signal
272 
+    nop();
273 
+    nop();
274 
+    nop();
275 
+    nop();
276 
+    nop();
277 
+    nop();
278 
+    *p_buf = BUS_DATA_IN;       // read data
279 
+    BUS_READ_IDLE();    // take back read signal
280 
+  }
281 
+  CF_CE_IDLE(); // take back card enable
282 
+  return len <= 0 ? 0 : -1;     // success if everything has been read
283 
+}
284 
+
285 
+// read a compact flash register multiple times and throw away data (returns
286 
+// 1 if successful or 0 on error)
287 
+// - returns 0 on success and -1 on error
288 
+extern inline char CfReadRegMulti(unsigned char reg, unsigned short cnt)        // force
289 
+                                                                                // inlining
290 
+                                                                                // by
291 
+                                                                                // using
292 
+                                                                                // "extern"
293 
+{
294 
+  if (!CF_IS_DETECT() || !CF_IS_READY())        // check that card is present
295 
+                                                // and ready
296 
+    return -1;  // error
297 
+  BUS_ADDR = reg;       // output address
298 
+  CF_CE_ACT();  // set card enable
299 
+  for (; cnt > 0; cnt--) {
300 
+    if (!CF_IS_DETECT() || !CF_IS_READY())      // check that card is present
301 
+                                                // and ready
302 
+      break;
303 
+    BUS_READ_ACT();     // activate read signal
304 
+    nop();
305 
+    nop();
306 
+    nop();
307 
+    nop();
308 
+    nop();
309 
+    nop();
310 
+    BUS_READ_IDLE();    // take back read signal
311 
+  }
312 
+  CF_CE_IDLE(); // take back card enable
313 
+  return cnt <= 0 ? 0 : -1;     // success if everything has been read
314 
+}
315 
+
316 
+// compact flash work done
317 
+static void CfDone(void)
318 
+{
319 
+  debug_cf_printf("CF done (%lu sectors)", CfSectorCnt);
320 
+
321 
+  // set working state and step to none
322 
+  CfWorkState = CfWorkNone;
323 
+  CfWorkStep = CfStepNone;
324 
+
325 
+  // reset state of active command
326 
+  CfSectorNo = 0;
327 
+  CfNextOffset = 0;
328 
+
329 
+  // disable wait for ready counter
330 
+  CfWaitReady20 = 0;
331 
+}
332 
+
333 
+// compact flash error occured
334 
+static void CfError(void)
335 
+{
336 
+  debug_cf_printf("CF error");
337 
+
338 
+  // set insertion state to error
339 
+  CfInsState = CfInsError;
340 
+
341 
+  // set working state and step to none
342 
+  CfWorkState = CfWorkNone;
343 
+  CfWorkStep = CfStepNone;
344 
+
345 
+  // reset all information about CF card
346 
+  CfSectorCnt = 0;
347 
+
348 
+  // reset state of active command
349 
+  CfSectorNo = 0;
350 
+  CfNextOffset = 0;
351 
+
352 
+  // disable wait for ready counter
353 
+  CfWaitReady20 = 0;
354 
+}
355 
+
356 
+// process compact flash insertion
357 
+static void CfProcIns(void)
358 
+{
359 
+  switch (CfInsState) {
360 
+
361 
+    // no compact flash inserted
362 
+  case CfInsNone:
363 
+    // if compact flash is detected, set state to new CF
364 
+    if (CF_IS_DETECT()) {
365 
+      CfInsState = CfInsNew;
366 
+      debug_cf_printf("new CF");
367 
+      break;
368 
+    }
369 
+    break;
370 
+
371 
+    // new compact flash has been inserted, wait for powerup
372 
+  case CfInsNew:
373 
+    // if compact flash has been removed, set state to none
374 
+    if (!CF_IS_DETECT()) {
375 
+      CfInsState = CfInsNone;
376 
+      break;
377 
+    }
378 
+    CfInsState = CfInsReset;
379 
+    break;
380 
+
381 
+    // resetting new compact flash
382 
+  case CfInsReset:
383 
+    // set reset, wait, take back reset
384 
+    CF_RESET_ACT();
385 
+    nop();
386 
+    nop();
387 
+    nop();
388 
+    CF_RESET_IDLE();
389 
+    debug_cf_printf("CF reset");
390 
+    // if compact flash has been removed, set state to none
391 
+    if (!CF_IS_DETECT()) {
392 
+      CfInsState = CfInsNone;
393 
+      break;
394 
+    }
395 
+    // wait for CF to become ready
396 
+    CfInsState = CfInsWait;
397 
+    CfWaitReady20 = CF_WAIT_READY_RESET_20_TIMEOUT;
398 
+    break;
399 
+
400 
+    // waiting for new compact flash to get ready after reset
401 
+  case CfInsWait:
402 
+    // if compact flash has been removed, set state to none
403 
+    if (!CF_IS_DETECT()) {
404 
+      CfInsState = CfInsNone;
405 
+      break;
406 
+    }
407 
+    // if compact flash card is ready, set state to ready
408 
+    if (CF_IS_READY()) {
409 
+      CfInsState = CfInsReady;
410 
+      CfWaitReady20 = 0;
411 
+      debug_cf_printf("CF ready");
412 
+      break;
413 
+    }
414 
+    // count down timeout
415 
+    CfWaitReady20--;
416 
+    if (CfWaitReady20 <= 0) {
417 
+      debug_cf_printf("timeout waiting for CF ready");
418 
+      // start over
419 
+      CfInsState = CfInsNone;
420 
+      break;
421 
+    }
422 
+    break;
423 
+
424 
+    // compact flash inserted and ready to work with
425 
+  case CfInsReady:
426 
+    // do nothing here, card work is done by task procedure
427 
+    // (task will detect CF removal or timeout and set state to error)
428 
+    break;
429 
+
430 
+    // compact flash error occured, compact flash deactivated
431 
+  case CfInsError:
432 
+    // if compact flash has been removed, set state to none
433 
+    if (!CF_IS_DETECT()) {
434 
+      CfInsState = CfInsNone;
435 
+      debug_cf_printf("CF removed");
436 
+    }
437 
+    break;
438 
+
439 
+  }     // switch( CfInsState )
440 
+}
441 
+
442 
+// detect compact flash timeout
443 
+// - called every 20ms
444 
+static void CfDetectTimeout20(void)
445 
+{
446 
+  // only detect CF timeout if insertion state is ready
447 
+  // (otherwise, the insertion processing is still doing some work)
448 
+  if (CfInsState != CfInsReady)
449 
+    return;
450 
+
451 
+  // wait for ready counter not active
452 
+  if (CfWaitReady20 <= 0)
453 
+    return;
454 
+
455 
+  // decrement wait for ready counter
456 
+  CfWaitReady20--;
457 
+
458 
+  // timeout occured
459 
+  if (CfWaitReady20 <= 0) {
460 
+    debug_cf_printf("timeout while waiting for CF ready");
461 
+    CfError();
462 
+  }
463 
+}
464 
+
465 
+// continue with identifying compact flash
466 
+static void CfProcWorkIdentify(void)
467 
+{
468 
+  unsigned char status = 0;
469 
+  unsigned short len, val16;
470 
+
471 
+  switch (CfWorkStep) {
472 
+
473 
+    // no step
474 
+  case CfStepNone:
475 
+    debug_cf_printf("internal error (identify, CfStepNone)");
476 
+    CfError();
477 
+    break;
478 
+
479 
+    // checking command status
480 
+  case CfStepCmdStatus:
481 
+    // read status register
482 
+    CfReadReg(CF_REG_STATUS, &status);
483 
+    // check that BUSY=0, RDY=1, DWF=0, DSC=1, IDX=0, ERR=0
484 
+    if ((status &
485 
+         (1 << CF_SB_BUSY | 1 << CF_SB_RDY | 1 << CF_SB_DWF | 1 << CF_SB_DSC |
486 
+          1 << CF_SB_IDX | 1 << CF_SB_ERR)) !=
487 
+        (1 << CF_SB_RDY | 1 << CF_SB_DSC)) {
488 
+      debug_cf_printf("unexpected status 0x%02X (identify)", status);
489 
+      CfError();
490 
+    }
491 
+    // continue with data transfer
492 
+    CfWorkStep = CfStepDataTransfer;
493 
+    CfNextOffset = 0;
494 
+    break;
495 
+
496 
+    // transferring data
497 
+  case CfStepDataTransfer:
498 
+    // still bytes to read
499 
+    if (CfNextOffset < CF_BYTES_IDENTIFY) {
500 
+      // get number of bytes to read
501 
+      len = CF_BYTES_IDENTIFY - CfNextOffset;
502 
+      if (len > CF_BYTES_AT_ONCE)
503 
+        len = CF_BYTES_AT_ONCE;
504 
+      // read bytes
505 
+      if (CfReadRegBuf(CF_REG_DATA, &CfSectorBuffer[CfNextOffset], len) != 0) {
506 
+        debug_cf_printf
507 
+            ("reading from CF failed (identify, offset 0x%03X, length 0x%02X)",
508 
+             CfNextOffset, len);
509 
+        CfError();
510 
+        break;
511 
+      }
512 
+      CfNextOffset += len;
513 
+    }
514 
+    // all bytes read
515 
+    if (CfNextOffset >= CF_BYTES_IDENTIFY) {
516 
+      // check identifier
517 
+      val16 = (unsigned short)CfSectorBuffer[CF_ID_OFS_ID_16 + 0]
518 
+          | (unsigned short)CfSectorBuffer[CF_ID_OFS_ID_16 + 1] << 8;
519 
+      if (val16 != CF_ID) {
520 
+        debug_cf_printf("invalid CF identifier: 0x%04X", val16);
521 
+        CfError();
522 
+        break;
523 
+      }
524 
+      // check if LBA mode is supported
525 
+      val16 = (unsigned short)CfSectorBuffer[CF_ID_OFS_CAPA_16 + 0]
526 
+          | (unsigned short)CfSectorBuffer[CF_ID_OFS_CAPA_16 + 1] << 8;
527 
+      if ((val16 & 1 << CF_CAPA_BIT_LBA) == 0) {
528 
+        debug_cf_printf("CF does not support LBA mode");
529 
+        CfError();
530 
+        break;
531 
+      }
532 
+      // get number of sectors on CF
533 
+      CfSectorCnt = (unsigned long)CfSectorBuffer[CF_ID_OFS_SEC_CNT_32 + 0]
534 
+          | (unsigned long)CfSectorBuffer[CF_ID_OFS_SEC_CNT_32 + 1] << 8
535 
+          | (unsigned long)CfSectorBuffer[CF_ID_OFS_SEC_CNT_32 + 2] << 16
536 
+          | (unsigned long)CfSectorBuffer[CF_ID_OFS_SEC_CNT_32 + 3] << 24;
537 
+      if (CfSectorCnt <= 0) {
538 
+        debug_cf_printf("CF does not contain any sectors");
539 
+        CfError();
540 
+        break;
541 
+      }
542 
+      // done
543 
+      CfDone();
544 
+    }
545 
+    break;
546 
+
547 
+    // checking data status
548 
+  case CfStepDataStatus:
549 
+    debug_cf_printf("internal error (identify, CfStepDataStatus)");
550 
+    CfError();
551 
+    break;
552 
+
553 
+  }     // switch( CfWorkStep )
554 
+}
555 
+
556 
+// do normal compact flash work
557 
+static void CfProcWork(void)
558 
+{
559 
+  // only do CF processing if insertion state is ready
560 
+  // (otherwise, the insertion processing is still doing some work)
561 
+  if (CfInsState != CfInsReady)
562 
+    return;
563 
+
564 
+  // compact flash has been removed -> error
565 
+  if (!CF_IS_DETECT()) {
566 
+    debug_cf_printf("CF no more present");
567 
+    CfError();
568 
+    return;
569 
+  }
570 
+  // compact flash is not ready
571 
+  if (!CF_IS_READY()) {
572 
+    // wait for ready not active --> error
573 
+    if (CfWaitReady20 <= 0) {
574 
+      debug_cf_printf("CF no more ready");
575 
+      CfError();
576 
+    }
577 
+    // do nothing if CF is not ready
578 
+    return;
579 
+  }
580 
+
581 
+  switch (CfWorkState) {
582 
+
583 
+    // no compact flash work to do
584 
+  case CfWorkNone:
585 
+    // nothing to do here
586 
+    break;
587 
+
588 
+    // identification of compact flash active
589 
+  case CfWorkIdentify:
590 
+    CfProcWorkIdentify();
591 
+    break;
592 
+
593 
+  }     // switch( CfWorkState )
594 
+}
595 
+
596 
+// identify compact flash
597 
+// - returns 0 on success, 1 if not idle and -1 on error
598 
+static char CfIdentify(void)
599 
+{
600 
+  // check that no command is being worked on
601 
+  if (CfWorkState != CfWorkNone)
602 
+    return 1;
603 
+
604 
+  debug_cf_printf("CF identify");
605 
+
606 
+  // issue identify drive command
607 
+  if (CfWriteReg(CF_REG_CMD, CF_CMD_IDENTIFY) != 0) {
608 
+    CfError();
609 
+    return -1;
610 
+  }
611 
+  // now identifying compact flash
612 
+  CfWorkState = CfWorkIdentify;
613 
+  CfWorkStep = CfStepCmdStatus;
614 
+  CfNextOffset = 0;
615 
+  CfWaitReady20 = CF_WAIT_READY_20_TIMEOUT;
616 
+  return 0;
617 
+}
618 
+
619 
+// initialize
620 
+void CfInit(void)       // (extern)
621 
+{
622 
+  // setup ports
623 
+  bit_clear(CF_PORT_nCD, CF_BIT_nCD);   // pull-up of card detect pin off
624 
+                                        // (external pull-up is present)
625 
+  bit_clear(CF_DDR_nCD, CF_BIT_nCD);    // card detect pin to input
626 
+  bit_set(CF_PORT_nRST, CF_BIT_nRST);   // reset not active
627 
+  bit_set(CF_DDR_nRST, CF_BIT_nRST);    // reset pin to output
628 
+  bit_clear(CF_PORT_RDY, CF_BIT_RDY);   // pull-up of ready pin pin off
629 
+                                        // (external pull-up is present)
630 
+  bit_clear(CF_DDR_RDY, CF_BIT_RDY);    // ready pin to input
631 
+  bit_set(CF_PORT_nCE, CF_BIT_nCE);     // card not enabled
632 
+  bit_set(CF_DDR_nCE, CF_BIT_nCE);      // card enable pin to output
633 
+}
634 
+
635 
+// tick procedure - call every 20ms
636 
+void CfTick20(void)     // (extern)
637 
+{
638 
+  // process compact flash insertion
639 
+  CfProcIns();
640 
+
641 
+  // detect compact flash timeout
642 
+  CfDetectTimeout20();
643 
+}
644 
+
645 
+// task function to do the work - call from main loop
646 
+void CfTask(void)       // (extern)
647 
+{
648 
+  // do nothing if no CF is inserted
649 
+  if (CfInsState != CfInsReady)
650 
+    return;
651 
+
652 
+  // compact flash is ready but not yet identified
653 
+  if (CfSectorCnt == 0) {
654 
+    // identify compact flash
655 
+    CfIdentify();
656 
+  }
657 
+  // do normal compact flash work
658 
+  CfProcWork();
659 
+
660 
+  // update status
661 
+  StatusInfoCfPresent = CfInsState == CfInsReady;       // report working CF
662 
+                                                        // if insertion state
663 
+                                                        // is ready
664 
+}
firmware/cf.h
View file @ e8658d5
... ... 
@@ -0,0 +1,24 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#ifndef INC_cf
7 
+#define INC_cf
8 
+
9 
+// size of a sector in bytes
10 
+#define CF_SECTOR_SIZE (512)
11 
+
12 
+// sector buffer
13 
+extern unsigned char CfSectorBuffer[CF_SECTOR_SIZE];
14 
+
15 
+// initialize
16 
+extern void CfInit(void);
17 
+
18 
+// tick procedure - call every 20ms
19 
+extern void CfTick20(void);
20 
+
21 
+// task function to do the work - call from main loop
22 
+extern void CfTask(void);
23 
+
24 
+#endif // #ifndef INC_cf
firmware/checksum.c
View file @ e8658d5
... ... 
@@ -0,0 +1,38 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#include "checksum.h"
7 
+#include "macros.h"
8 
+#include "nethelp.h"
9 
+
10 
+// generate a checksum
11 
+// also includes Pseudo1 and Pseudo2 in the checksum - set to 0x0000 for
12 
+// normal operation
13 
+// can also be used to check a checksum (returns 0 if correct)
14 
+unsigned short Checksum(unsigned char *pData, unsigned short Length, unsigned short Pseudo1, unsigned short Pseudo2)    // (extern)
15 
+{
16 
+  unsigned long sum;
17 
+
18 
+  // sum up data of pseudo header
19 
+  sum = Pseudo1;        // convert to 32 bit first
20 
+  sum += Pseudo2;
21 
+
22 
+  // add full 16 bit words in header
23 
+  for (; Length >= 2; pData += 2, Length -= 2)
24 
+    sum += ntohs(*(unsigned short *)pData);
25 
+
26 
+  // add last byte
27 
+  if (Length >= 1)
28 
+    sum += (unsigned short)(*pData << 8);
29 
+
30 
+  // convert sum to one's complement sum
31 
+  sum = (sum & 0x0000FFFF) + (sum >> 16);       // add carries (bits 31..16)
32 
+                                                // to sum (bits 15..0)
33 
+  sum = (sum & 0x0000FFFF) + (sum >> 16);       // still a carry possible
34 
+                                                // (from last addition)
35 
+
36 
+  // return complement of one's complement sum
37 
+  return ~(unsigned short)sum;
38 
+}
firmware/checksum.h
View file @ e8658d5
... ... 
@@ -0,0 +1,17 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#ifndef INC_checksum
7 
+#define INC_checksum
8 
+
9 
+// generate a checksum
10 
+// also includes Pseudo1 and Pseudo2 in the checksum - set to 0x0000 for
11 
+// normal operation
12 
+// can also be used to check a checksum (returns 0 if correct)
13 
+extern unsigned short Checksum(unsigned char *pData, unsigned short Length,
14 
+                               unsigned short Pseudo1,
15 
+                               unsigned short Pseudo2);
16 
+
17 
+#endif // #ifdef INC_checksum
firmware/config.c
View file @ e8658d5
... ... 
@@ -0,0 +1,28 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#include "config.h"
7 
+
8 
+// MAC address
9 
+unsigned char ConfigMac[6] = { 0x02, 0xF7, 0xA4, 0xE7, 0x80, 0x00 };    // (extern)
10 
+
11 
+// IP configuration
12 
+// - all zero for DHCP
13 
+unsigned char ConfigIp[4] = { 192, 168, 0, 234 };     // own IP address (extern)
14 
+unsigned char ConfigMask[4] = { 255, 255, 255, 0 };   // subnet mask (extern)
15 
+unsigned char ConfigGw[4] = { 192, 168, 0, 1 };     // gateway IP address
16 
+                                                // (extern)
17 
+
18 
+// port for S8P
19 
+unsigned short ConfigS8pPort = 8;       // disabled if 0 (extern)
20 
+
21 
+// symmetric key for S8P
22 
+unsigned char ConfigS8pKey[16] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };    // (extern)
23 
+
24 
+// port for webserver
25 
+unsigned short ConfigHttpPort = 80;     // disabled if 0 (extern)
26 
+
27 
+// default output state
28 
+unsigned char ConfigDefOut = 0x00;      // (extern)
firmware/config.h
View file @ e8658d5
... ... 
@@ -0,0 +1,29 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#ifndef INC_config
7 
+#define INC_config
8 
+
9 
+// MAC address
10 
+extern unsigned char ConfigMac[6];
11 
+
12 
+// IP configuration
13 
+extern unsigned char ConfigIp[4];       // own IP address
14 
+extern unsigned char ConfigMask[4];     // subnet mask
15 
+extern unsigned char ConfigGw[4];       // gateway IP address
16 
+
17 
+// port for S8P
18 
+extern unsigned short ConfigS8pPort;    // disabled if 0
19 
+
20 
+// symmetric key for S8P
21 
+extern unsigned char ConfigS8pKey[16];
22 
+
23 
+// port for webserver
24 
+extern unsigned short ConfigHttpPort;   // disabled if 0
25 
+
26 
+// default output state
27 
+extern unsigned char ConfigDefOut;
28 
+
29 
+#endif // #ifndef INC_config
firmware/debug.h
View file @ e8658d5
... ... 
@@ -0,0 +1,55 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#ifndef INC_debug
7 
+#define INC_debug
8 
+
9 
+#include <stdio.h>
10 
+#include <avr/pgmspace.h>
11 
+
12 
+// debug configuration (what to debug)
13 
+#define DEBUG_INIT 1
14 
+#define DEBUG_EEPROM 1
15 
+#define DEBUG_CF 1
16 
+#define DEBUG_RTL8019 1
17 
+#define DEBUG_ETHER 1
18 
+#define DEBUG_ARP 1
19 
+#define DEBUG_IP 1
20 
+#define DEBUG_ICMP 1
21 
+#define DEBUG_UDP 1
22 
+#define DEBUG_DHCP 1
23 
+#define DEBUG_TCP 1
24 
+#define DEBUG_HTTP 1
25 
+
26 
+// debug version of printf
27 
+#ifdef DEBUG
28 
+#define debug_printf( fmt, arg... ) \
29 
+  { \
30 
+    static const PROGMEM char fmt_pgm[] = fmt"\r\n"; \
31 
+    char fmt_buf[sizeof( fmt_pgm )]; \
32 
+    for( int i = 0; i < sizeof( fmt_pgm ); i++ ) \
33 
+      fmt_buf[i] = (char)pgm_read_byte_near( (uint16_t)fmt_pgm + i ); \
34 
+    printf( fmt_buf, ##arg ); \
35 
+  }
36 
+#else
37 
+#define debug_printf( fmt, arg... ) { }
38 
+#endif
39 
+
40 
+// specialized debug versions of printf
41 
+#define debug_specialized_printf( enabled, fmt, arg... ) { if( enabled ) debug_printf( fmt, ##arg ); }
42 
+#define debug_init_printf( fmt, arg... ) debug_specialized_printf( DEBUG_INIT, "init: "fmt, ##arg )
43 
+#define debug_eeprom_printf( fmt, arg... ) debug_specialized_printf( DEBUG_EEPROM, "eeprom: "fmt, ##arg )
44 
+#define debug_cf_printf( fmt, arg... ) debug_specialized_printf( DEBUG_CF, "cf: "fmt, ##arg )
45 
+#define debug_rtl8019_printf( fmt, arg... ) debug_specialized_printf( DEBUG_RTL8019, "rtl8019: "fmt, ##arg )
46 
+#define debug_ether_printf( fmt, arg... ) debug_specialized_printf( DEBUG_ETHER, "ether: "fmt, ##arg )
47 
+#define debug_arp_printf( fmt, arg... ) debug_specialized_printf( DEBUG_ARP, "arp: "fmt, ##arg )
48 
+#define debug_ip_printf( fmt, arg... ) debug_specialized_printf( DEBUG_IP, "ip: "fmt, ##arg )
49 
+#define debug_icmp_printf( fmt, arg... ) debug_specialized_printf( DEBUG_ICMP, "icmp: "fmt, ##arg )
50 
+#define debug_udp_printf( fmt, arg... ) debug_specialized_printf( DEBUG_UDP, "udp: "fmt, ##arg )
51 
+#define debug_dhcp_printf( fmt, arg... ) debug_specialized_printf( DEBUG_DHCP, "dhcp: "fmt, ##arg )
52 
+#define debug_tcp_printf( fmt, arg... ) debug_specialized_printf( DEBUG_TCP, "tcp: "fmt, ##arg )
53 
+#define debug_http_printf( fmt, arg... ) debug_specialized_printf( DEBUG_HTTP, "http: "fmt, ##arg )
54 
+
55 
+#endif // #ifndef INC_debug
firmware/dhcp.c
View file @ e8658d5
... ... 
@@ -0,0 +1,499 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#include <string.h>
7 
+
8 
+#include "config.h"
9 
+#include "checksum.h"
10 
+#include "debug.h"
11 
+#include "dhcp.h"
12 
+#include "ethernet.h"
13 
+#include "ip.h"
14 
+#include "macros.h"
15 
+#include "nethelp.h"
16 
+#include "random.h"
17 
+#include "udp.h"
18 
+
19 
+// configuration
20 
+static const unsigned char DhcpRetrySecsMax = 10;       // avarage timeout
21 
+                                                        // after which to
22 
+                                                        // retry DHCP action
23 
+static const unsigned char DhcpRetriesMax = 5;  // maximum number of retries
24 
+                                                // before aborting DHCP
25 
+                                                // action
26 
+static const unsigned long DhcpLeaseRestMin = 300;      // when to ask to
27 
+                                                        // extend lease
28 
+static const unsigned char DhcpLeaseRenewFraction = 8;  // to renw lease when
29 
+                                                        // only this fraction
30 
+                                                        // of lease is left
31 
+
32 
+// DHCP tick counter to get full seconds
33 
+static unsigned char DhcpTicks = 0;
34 
+
35 
+// time of current DHCP action
36 
+static unsigned char DhcpInProgress = 0;        // if DHCP action is in
37 
+                                                // progress
38 
+static unsigned char DhcpRetries = 0;   // number of retries left
39 
+static unsigned char DhcpRetrySecs = 0; // rest of time for current retry
40 
+
41 
+// current XId
42 
+static unsigned char DhcpHaveXId = 0;   // if an XId exists at the moment
43 
+static unsigned long DhcpXId = 0;       // the current XId data
44 
+static unsigned int DhcpXIdSecs = 0;    // time of XId
45 
+
46 
+// DHCP server and lease time
47 
+static unsigned char DhcpActive = 0;    // if own IP is leased from DHCP
48 
+static unsigned char DhcpServer[4];     // IP address of DHCP server own IP
49 
+                                        // is leased from
50 
+static unsigned long DhcpLeaseTime = 0; // total lease time
51 
+static unsigned long DhcpLeaseRest = 0; // rest of lease time
52 
+
53 
+// send a DHCP packet
54 
+// pData must point to a struct DhcpPacket with IpHdr.Dest, DhcpHdr.XId
55 
+// DhcpHdr.Secs, DhcpHdr.Flags and DhcpHdr.YIAddr already initialized
56 
+static void DhcpSend(unsigned char *pData, unsigned short Length)       // (extern)
57 
+{
58 
+  struct DhcpPacket *pDhcpPack;
59 
+
60 
+  // packet too short
61 
+  if (Length < sizeof(struct DhcpPacket))
62 
+    return;
63 
+
64 
+  // convert pointer to DHCP packet
65 
+  // (this saves us from always casting pData)
66 
+  pDhcpPack = (struct DhcpPacket *)pData;
67 
+
68 
+  debug_dhcp_printf("send xid=%08lX len=%d",
69 
+                    ntohl(pDhcpPack->DhcpHdr.XId), Length);
70 
+
71 
+  // we are DHCP client
72 
+  // - source port must be 68
73 
+  // - destination port must be 67
74 
+  pDhcpPack->UdpHdr.SrcPort = htons(68);
75 
+  pDhcpPack->UdpHdr.DestPort = htons(67);
76 
+  // set up DHCP header fields as client
77 
+  pDhcpPack->DhcpHdr.Op = 1;
78 
+  pDhcpPack->DhcpHdr.HType = 1;
79 
+  pDhcpPack->DhcpHdr.HLen = 6;
80 
+  pDhcpPack->DhcpHdr.HOps = 0;
81 
+  memset(pDhcpPack->DhcpHdr.CIAddr, 0, 4);
82 
+  memset(pDhcpPack->DhcpHdr.SIAddr, 0, 4);
83 
+  memset(pDhcpPack->DhcpHdr.GIAddr, 0, 4);
84 
+  mac_cpy(pDhcpPack->DhcpHdr.CHAddr, ConfigMac);
85 
+  memset(pDhcpPack->DhcpHdr.CHAddr + 6, 0, 10);
86 
+  memset(pDhcpPack->DhcpHdr.SName, 0, 64);
87 
+  memset(pDhcpPack->DhcpHdr.File, 0, 128);
88 
+  pDhcpPack->DhcpHdr.MCookie = htonl(0x63825363);
89 
+
90 
+  // send DHCP packet
91 
+  UdpSend(pData, Length);
92 
+}
93 
+
94 
+// send a DHCP discover
95 
+static void DhcpDiscover(void)
96 
+{
97 
+  struct {
98 
+    struct DhcpPacket DhcpPack;
99 
+    unsigned char OptType[3];
100 
+    unsigned char OptEnd[2];
101 
+  } DhcpDiscover;
102 
+
103 
+  debug_dhcp_printf("discover");
104 
+
105 
+  ip_cpy(DhcpDiscover.DhcpPack.IpHdr.Dest, "\xFF\xFF\xFF\xFF"); // broadcast
106 
+  DhcpDiscover.DhcpPack.DhcpHdr.XId = htonl(DhcpXId);
107 
+  DhcpDiscover.DhcpPack.DhcpHdr.Secs = htons(DhcpXIdSecs);      // use time
108 
+                                                                // of XId
109 
+  DhcpDiscover.DhcpPack.DhcpHdr.Flags = htons(0x8000);  // broadcast
110 
+  memset(DhcpDiscover.DhcpPack.DhcpHdr.YIAddr, 0, 4);
111 
+  DhcpDiscover.OptType[0] = 0x35;       // DHCP discover
112 
+  DhcpDiscover.OptType[1] = 0x01;
113 
+  DhcpDiscover.OptType[2] = 0x01;
114 
+  DhcpDiscover.OptEnd[0] = 0xFF;        // end of options
115 
+  DhcpDiscover.OptEnd[1] = 0x00;
116 
+
117 
+  DhcpSend((unsigned char *)&DhcpDiscover, sizeof(DhcpDiscover));
118 
+}
119 
+
120 
+// send a DHCP request
121 
+static void DhcpRequest(void)
122 
+{
123 
+  struct {
124 
+    struct DhcpPacket DhcpPack;
125 
+    unsigned char OptType[3];
126 
+    unsigned char OptReq[6];
127 
+    unsigned char OptServer[6];
128 
+    unsigned char OptEnd[2];
129 
+  } DhcpRequest;
130 
+
131 
+  debug_dhcp_printf("request ip=%d.%d.%d.%d",
132 
+                    ConfigIp[0], ConfigIp[1], ConfigIp[2], ConfigIp[3]);
133 
+
134 
+  ip_cpy(DhcpRequest.DhcpPack.IpHdr.Dest, DhcpServer);  // send to DHCP
135 
+                                                        // server
136 
+  DhcpRequest.DhcpPack.DhcpHdr.XId = htonl(DhcpXId);
137 
+  DhcpRequest.DhcpPack.DhcpHdr.Secs = htons(DhcpXIdSecs);       // use time
138 
+                                                                // of XId
139 
+  DhcpRequest.DhcpPack.DhcpHdr.Flags = htons(0x0000);
140 
+  ip_cpy(DhcpRequest.DhcpPack.DhcpHdr.YIAddr, ConfigIp);
141 
+  DhcpRequest.OptType[0] = 0x35;        // DHCP request
142 
+  DhcpRequest.OptType[1] = 0x01;
143 
+  DhcpRequest.OptType[2] = 0x03;
144 
+  DhcpRequest.OptReq[0] = 0x32; // requested IP
145 
+  DhcpRequest.OptReq[1] = 0x04;
146 
+  ip_cpy(&DhcpRequest.OptReq[2], ConfigIp);
147 
+  DhcpRequest.OptServer[0] = 0x36;      // DHCP server
148 
+  DhcpRequest.OptServer[1] = 0x04;
149 
+  ip_cpy(&DhcpRequest.OptServer[2], DhcpServer);
150 
+  DhcpRequest.OptEnd[0] = 0xFF; // end of options
151 
+  DhcpRequest.OptEnd[1] = 0x00;
152 
+
153 
+  DhcpSend((unsigned char *)&DhcpRequest, sizeof(DhcpRequest));
154 
+}
155 
+
156 
+// abort DHCP action
157 
+static void DhcpAbort(void)
158 
+{
159 
+  // abort DHCP action
160 
+  DhcpInProgress = 0;
161 
+  DhcpRetries = 0;
162 
+  DhcpRetrySecs = 0;
163 
+
164 
+  // forget XId
165 
+  DhcpHaveXId = 0;
166 
+  DhcpXId = 0;
167 
+  DhcpXIdSecs = 0;
168 
+
169 
+  // give up IP address if it was leased
170 
+  if (DhcpActive) {
171 
+    ip_cpy(ConfigIp, "\0\0\0\0");
172 
+    ip_cpy(ConfigMask, "\0\0\0\0");
173 
+    ip_cpy(ConfigGw, "\0\0\0\0");
174 
+    DhcpActive = 0;
175 
+    DhcpLeaseTime = 0;
176 
+    DhcpLeaseRest = 0;
177 
+  }
178 
+}
179 
+
180 
+// retry DHCP action
181 
+static void DhcpRetry(void)
182 
+{
183 
+  // DHCP lease not active ---> re-send DHCP discover
184 
+  if (!DhcpActive) {
185 
+
186 
+    // get time for next try
187 
+    RandomGetData((unsigned char *)&DhcpRetrySecs, sizeof(DhcpRetrySecs));
188 
+    DhcpRetrySecs = DhcpRetrySecs % DhcpRetrySecsMax + DhcpRetrySecsMax / 2;
189 
+    // re-send DHCP discover
190 
+    DhcpDiscover();
191 
+
192 
+  }
193 
+  // DHCP lease active and lease time almost over ---> re-send DHCP request
194 
+  if (DhcpActive && (DhcpLeaseRest < DhcpLeaseRestMin ||
195 
+                     DhcpLeaseRest <
196 
+                     DhcpLeaseTime / DhcpLeaseRenewFraction)) {
197 
+
198 
+    // get time for next try
199 
+    RandomGetData((unsigned char *)&DhcpRetrySecs, sizeof(DhcpRetrySecs));
200 
+    DhcpRetrySecs = DhcpRetrySecs % DhcpRetrySecsMax + DhcpRetrySecsMax / 2;
201 
+    // re-send DHCP request
202 
+    DhcpRequest();
203 
+
204 
+  }
205 
+}
206 
+
207 
+// start new DHCP action
208 
+static void DhcpStart(void)
209 
+{
210 
+  // DHCP lease not active ---> DHCP discover
211 
+  if (!DhcpActive) {
212 
+
213 
+    // DHCP operation starts
214 
+    DhcpInProgress = 1;
215 
+    DhcpRetries = DhcpRetriesMax;
216 
+    RandomGetData((unsigned char *)&DhcpRetrySecs, sizeof(DhcpRetrySecs));
217 
+    DhcpRetrySecs = DhcpRetrySecs % DhcpRetrySecsMax + DhcpRetrySecsMax / 2;
218 
+    // get new XId
219 
+    RandomGetData((unsigned char *)&DhcpXId, sizeof(DhcpXId));
220 
+    DhcpXIdSecs++;
221 
+    DhcpHaveXId = 1;
222 
+    // send DHCP discover
223 
+    DhcpDiscover();
224 
+
225 
+  }
226 
+  // DHCP lease active and lease time almost over ---> DHCP request
227 
+  if (DhcpActive && (DhcpLeaseRest < DhcpLeaseRestMin ||
228 
+                     DhcpLeaseRest <
229 
+                     DhcpLeaseTime / DhcpLeaseRenewFraction)) {
230 
+
231 
+    // DHCP operation starts
232 
+    DhcpInProgress = 1;
233 
+    DhcpRetries = DhcpRetriesMax;
234 
+    RandomGetData((unsigned char *)&DhcpRetrySecs, sizeof(DhcpRetrySecs));
235 
+    DhcpRetrySecs = DhcpRetrySecs % DhcpRetrySecsMax + DhcpRetrySecsMax / 2;
236 
+    // get new XId if none available
237 
+    if (!DhcpHaveXId) {
238 
+      RandomGetData((unsigned char *)&DhcpXId, sizeof(DhcpXId));
239 
+      DhcpXIdSecs++;
240 
+      DhcpHaveXId = 1;
241 
+    }
242 
+    // send DHCP request
243 
+    DhcpRequest();
244 
+
245 
+  }
246 
+}
247 
+
248 
+// tick procedure - every 1000ms
249 
+static void DhcpTick1000(void)
250 
+{
251 
+  // DHCP operation in progress
252 
+  if (DhcpInProgress) {
253 
+
254 
+    // count down time of current try of current action
255 
+    DhcpRetrySecs--;
256 
+    if (DhcpRetrySecs <= 0) {
257 
+
258 
+      // count down retries
259 
+      DhcpRetries--;
260 
+
261 
+      // no more retries left ---> abort, retry otherwise
262 
+      if (DhcpRetries <= 0)
263 
+        DhcpAbort();
264 
+      else
265 
+        DhcpRetry();
266 
+
267 
+    }
268 
+
269 
+  }
270 
+  // increase time of XId
271 
+  DhcpXIdSecs++;
272 
+
273 
+  // dcrease remaining lease time
274 
+  DhcpLeaseRest--;
275 
+  // lease timed out ---> abort DHCP (will also invalidate IP)
276 
+  if (DhcpLeaseRest <= 0) {
277 
+    debug_dhcp_printf("lease expired");
278 
+    DhcpAbort();
279 
+  }
280 
+}
281 
+
282 
+// tick procedure - call every 200ms
283 
+void DhcpTick200(void)  // (extern)
284 
+{
285 
+  // get 1 second interval
286 
+  DhcpTicks++;
287 
+  if (DhcpTicks >= 5) {
288 
+    DhcpTicks = 0;
289 
+    DhcpTick1000();
290 
+  }
291 
+  // no DHCP operation in progress
292 
+  if (!DhcpInProgress) {
293 
+    // DHCP lease active or no IP address ---> DHCP allowed (i.e. no static
294 
+    // IP)
295 
+    if (DhcpActive || ip_eq(ConfigIp, "\0\0\0\0")) {
296 
+      // start new DHCP action
297 
+      DhcpStart();
298 
+    }
299 
+  }
300 
+}
301 
+
302 
+// process a received DHCP offer
303 
+static void DhcpOffer(unsigned char addr[4], unsigned char mask[4],
304 
+                      unsigned char gateway[4], unsigned long time,
305 
+                      unsigned char server[4])
306 
+{
307 
+  debug_dhcp_printf("offer addr=%d.%d.%d.%d mask=%d.%d.%d.%d gw=%d.%d.%d.%d",
308 
+                    addr[0], addr[1], addr[2], addr[3],
309 
+                    mask[0], mask[1], mask[2], mask[3],
310 
+                    gateway[0], gateway[1], gateway[2], gateway[3]);
311 
+  debug_dhcp_printf("offer time=%ld server=%d.%d.%d.%d",
312 
+                    time, server[0], server[1], server[2], server[3]);
313 
+
314 
+  // use this IP address, mask and gateway
315 
+  ip_cpy(ConfigIp, addr);
316 
+  ip_cpy(ConfigMask, mask);
317 
+  ip_cpy(ConfigGw, gateway);
318 
+
319 
+  // store DHCP server and lease time
320 
+  DhcpActive = 1;
321 
+  ip_cpy(DhcpServer, server);
322 
+  DhcpLeaseTime = time;
323 
+  DhcpLeaseRest = DhcpLeaseRestMin;     // schedule DHCP request
324 
+
325 
+  // DHCP action finished
326 
+  DhcpInProgress = 0;
327 
+  DhcpRetries = 0;
328 
+  DhcpRetrySecs = 0;
329 
+}
330 
+
331 
+// process a received DHCP ack
332 
+static void DhcpAck(unsigned char addr[4], unsigned char mask[4],
333 
+                    unsigned char gateway[4], unsigned long time,
334 
+                    unsigned char server[4])
335 
+{
336 
+  debug_dhcp_printf("ack addr=%d.%d.%d.%d mask=%d.%d.%d.%d gw=%d.%d.%d.%d",
337 
+                    addr[0], addr[1], addr[2], addr[3],
338 
+                    mask[0], mask[1], mask[2], mask[3],
339 
+                    gateway[0], gateway[1], gateway[2], gateway[3]);
340 
+  debug_dhcp_printf("ack time=%ld server=%d.%d.%d.%d",
341 
+                    time, server[0], server[1], server[2], server[3]);
342 
+
343 
+  // check if IP address, mask and gateway match
344 
+  if (!ip_eq(ConfigIp, addr) ||
345 
+      !ip_eq(ConfigMask, mask) || !ip_eq(ConfigGw, gateway)) {
346 
+    // mismatch ---> something is wrong, abort
347 
+    DhcpAbort();
348 
+    return;
349 
+  }
350 
+  // store DHCP server and lease time
351 
+  DhcpActive = 1;
352 
+  ip_cpy(DhcpServer, server);
353 
+  DhcpLeaseTime = time;
354 
+  DhcpLeaseRest = time;
355 
+
356 
+  // DHCP action finished
357 
+  DhcpInProgress = 0;
358 
+  DhcpRetries = 0;
359 
+  DhcpRetrySecs = 0;
360 
+
361 
+  // forget XId
362 
+  DhcpHaveXId = 0;
363 
+  DhcpXId = 0;
364 
+  DhcpXIdSecs = 0;
365 
+}
366 
+
367 
+// process a received DHCP packet
368 
+void DhcpRecv(unsigned char *pData, unsigned short Length)      // (extern)
369 
+{
370 
+  struct DhcpPacket *pDhcpPack;
371 
+  unsigned char *opt_ptr, tag, len;
372 
+  unsigned short opt_len;
373 
+  unsigned char type;
374 
+  unsigned char have_mask, mask[4], have_gateway, gateway[4];
375 
+  unsigned char have_time, have_server, server[4];
376 
+  unsigned long time;
377 
+
378 
+  // packet too short
379 
+  if (Length < sizeof(struct DhcpPacket))
380 
+    return;
381 
+
382 
+  // convert pointer to UDP packet
383 
+  // (this saves us from always casting pData)
384 
+  pDhcpPack = (struct DhcpPacket *)pData;
385 
+
386 
+  // we are DHCP client
387 
+  // - source port must be 67
388 
+  // - destination port must be 68
389 
+  if (pDhcpPack->UdpHdr.SrcPort != htons(67) ||
390 
+      pDhcpPack->UdpHdr.DestPort != htons(68))
391 
+    return;
392 
+  // check DHCP fields
393 
+  if (pDhcpPack->DhcpHdr.Op != 2 ||
394 
+      pDhcpPack->DhcpHdr.HType != 1 ||
395 
+      pDhcpPack->DhcpHdr.HLen != 6 ||
396 
+      pDhcpPack->DhcpHdr.HOps != 0 ||
397 
+      pDhcpPack->DhcpHdr.MCookie != htonl(0x63825363))
398 
+    return;
399 
+
400 
+  debug_dhcp_printf("recv xid=%08lX len=%d",
401 
+                    ntohl(pDhcpPack->DhcpHdr.XId), Length);
402 
+
403 
+  // check XId
404 
+  if (!DhcpHaveXId || ntohl(pDhcpPack->DhcpHdr.XId) != DhcpXId)
405 
+    return;
406 
+
407 
+  // get options
408 
+  opt_ptr = pData + sizeof(struct DhcpPacket);
409 
+  opt_len = Length - sizeof(struct DhcpPacket);
410 
+
411 
+  // parse options
412 
+  type = 0;
413 
+  have_mask = 0;
414 
+  have_gateway = 0;
415 
+  time = 0;
416 
+  have_time = 0;
417 
+  have_server = 0;
418 
+  while (opt_len > 2) {
419 
+
420 
+    // get tag and length
421 
+    tag = *opt_ptr++;
422 
+    len = *opt_ptr++;
423 
+    if (opt_len < 2 + len)
424 
+      break;
425 
+
426 
+    // get option
427 
+    switch (tag) {
428 
+
429 
+      // type
430 
+    case 0x35:
431 
+      if (len >= 1)
432 
+        type = opt_ptr[0];
433 
+      break;
434 
+
435 
+      // subnet mask
436 
+    case 0x01:
437 
+      if (len >= 4)
438 
+        memcpy(mask, opt_ptr, 4);
439 
+      have_mask = 1;
440 
+      break;
441 
+
442 
+      // gateway
443 
+    case 0x03:
444 
+      if (len >= 4) {
445 
+        memcpy(gateway, opt_ptr, 4);
446 
+        have_gateway = 1;
447 
+      }
448 
+      break;
449 
+
450 
+      // lease time
451 
+    case 0x33:
452 
+      if (len >= 4) {
453 
+        time = ntohl(*(unsigned long *)opt_ptr);
454 
+        have_time = 1;
455 
+      }
456 
+      break;
457 
+
458 
+      // DHCP server
459 
+    case 0x36:
460 
+      if (len >= 4) {
461 
+        memcpy(server, opt_ptr, 4);
462 
+        have_server = 1;
463 
+      }
464 
+      break;
465 
+
466 
+    }
467 
+
468 
+    // skip option
469 
+    opt_ptr += len;
470 
+    opt_len -= len;
471 
+  }
472 
+
473 
+  debug_dhcp_printf("type=%d%s%s%s%s", type,
474 
+                    have_mask ? " mask" : "",
475 
+                    have_gateway ? " gateway" : "",
476 
+                    have_time ? " time" : "", have_server ? " server" : "");
477 
+
478 
+  // fill in server from source address if not present
479 
+  if (!have_server) {
480 
+    ip_cpy(server, pDhcpPack->IpHdr.Src);
481 
+    have_server = 1;
482 
+  }
483 
+  // process DHCP response
484 
+  switch (type) {
485 
+
486 
+    // DHCP offer
487 
+  case 2:
488 
+    if (have_mask && have_gateway && have_time && have_server)
489 
+      DhcpOffer(pDhcpPack->DhcpHdr.YIAddr, mask, gateway, time, server);
490 
+    break;
491 
+
492 
+    // DHCP ack
493 
+  case 5:
494 
+    if (have_mask && have_gateway && have_time && have_server)
495 
+      DhcpAck(pDhcpPack->DhcpHdr.YIAddr, mask, gateway, time, server);
496 
+    break;
497 
+
498 
+  }
499 
+}
firmware/dhcp.h
View file @ e8658d5
... ... 
@@ -0,0 +1,46 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#ifndef INC_dhcp
7 
+#define INC_dhcp
8 
+
9 
+#include "ethernet.h"
10 
+#include "ip.h"
11 
+#include "udp.h"
12 
+
13 
+// header of an DHCP packet
14 
+struct DhcpHeader {
15 
+  unsigned char Op;
16 
+  unsigned char HType;
17 
+  unsigned char HLen;
18 
+  unsigned char HOps;
19 
+  unsigned long XId;
20 
+  unsigned int Secs;
21 
+  unsigned int Flags;
22 
+  unsigned char CIAddr[4];
23 
+  unsigned char YIAddr[4];
24 
+  unsigned char SIAddr[4];
25 
+  unsigned char GIAddr[4];
26 
+  unsigned char CHAddr[16];
27 
+  unsigned char SName[64];
28 
+  unsigned char File[128];
29 
+  unsigned long MCookie;
30 
+};
31 
+
32 
+// a DHCP packet
33 
+struct DhcpPacket {
34 
+  struct EthernetHeader EthHdr;
35 
+  struct IpHeader IpHdr;
36 
+  struct UdpHeader UdpHdr;
37 
+  struct DhcpHeader DhcpHdr;
38 
+};
39 
+
40 
+// tick procedure - call every 200ms
41 
+extern void DhcpTick200(void);
42 
+
43 
+// process a received UDP packet
44 
+extern void DhcpRecv(unsigned char *pData, unsigned short Length);
45 
+
46 
+#endif // #ifdef INC_dhcp
firmware/eeprom.c
View file @ e8658d5
... ... 
@@ -0,0 +1,209 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#include <avr/interrupt.h>
7 
+#include <avr/eeprom.h>
8 
+
9 
+#include "config.h"
10 
+#include "debug.h"
11 
+#include "eeprom.h"
12 
+#include "macros.h"
13 
+#include "rtl8019.h"
14 
+
15 
+// flags for what needs to be written to the EEPROM
16 
+unsigned char EepromNeedWrite = 0x00;   // (extern)
17 
+
18 
+// writing what where
19 
+unsigned char EepromWriteFlags = 0;     // some flags
20 
+#define EepromWriteFlagActive 0x01      // if writing something to EEPROM
21 
+#define EepromWriteFlagCheck 0x02       // if writing check byte to EEPROM
22 
+unsigned char *pEepromWriteSrc; // pointer to source data
23 
+unsigned short EepromWriteDestAddr;     // destination address in EEPROM
24 
+unsigned char EepromWriteCnt;   // number of bytes still to write
25 
+
26 
+// memory layout of EEPROM
27 
+// - every byte B is stored as B, ~B for data safety
28 
+// - so everythings needs double space
29 
+#define EEPROM_ADDR_MAC 0
30 
+#define EEPROM_ADDR_IP (EEPROM_ADDR_MAC + 2 * sizeof( ConfigMac ))
31 
+#define EEPROM_ADDR_MASK (EEPROM_ADDR_IP + 2 * sizeof( ConfigIp ))
32 
+#define EEPROM_ADDR_GW (EEPROM_ADDR_MASK + 2 * sizeof( ConfigMask ))
33 
+#define EEPROM_ADDR_S8P_PORT (EEPROM_ADDR_GW + 2 * sizeof( ConfigGw ))
34 
+#define EEPROM_ADDR_S8P_KEY (EEPROM_ADDR_S8P_PORT + 2 * sizeof( ConfigS8pPort ))
35 
+#define EEPROM_ADDR_HTTP_PORT (EEPROM_ADDR_S8P_KEY + 2 * sizeof( ConfigS8pKey ))
36 
+#define EEPROM_ADDR_DEF_OUT (EEPROM_ADDR_HTTP_PORT + 2 * sizeof( ConfigHttpPort ))
37 
+#define EEPROM_ADDR_FreeFromHere (EEPROM_ADDR_DEF_OUT + 2 * sizeof( ConfigDefOut ))
38 
+
39 
+// get configuration from EEPROM - helper function
40 
+// checks data in EEPROM
41 
+// gets data from EEPROM
42 
+// returns 0x00 if successful
43 
+static inline unsigned char EepromGetConfigHelp(unsigned short SrcAddr,
44 
+                                                unsigned char *pDest,
45 
+                                                unsigned char Len)
46 
+{
47 
+  unsigned char i, b;
48 
+
49 
+  // check data in EEPROM
50 
+  EEAR = SrcAddr;
51 
+  for (i = 0; i < Len; i++) {
52 
+    // read byte
53 
+    bit_set(EECR, EERE);
54 
+    b = EEDR;
55 
+    EEAR++;
56 
+    // XOR in check byte
57 
+    bit_set(EECR, EERE);
58 
+    b ^= EEDR;
59 
+    EEAR++;
60 
+    // XOR result must be 0xFF
61 
+    if (b != 0xFF)
62 
+      return 0x01;      // error
63 
+  }
64 
+
65 
+  // read data from EEPROM
66 
+  EEAR = SrcAddr;
67 
+  for (; Len > 0; Len--) {
68 
+    // read byte
69 
+    bit_set(EECR, EERE);
70 
+    *(pDest++) = EEDR;
71 
+    EEAR += 2;  // skip check byte
72 
+  }
73 
+  return 0x00;  // success
74 
+}
75 
+
76 
+// get configuration from EEPROM
77 
+void EepromGetConfig(void)      // (extern)
78 
+{
79 
+  // get MAC
80 
+  if (EepromGetConfigHelp(EEPROM_ADDR_MAC, ConfigMac, sizeof(ConfigMac)) ==
81 
+      0x00)
82 
+    // re-initialize RTL8019
83 
+    RtlReinit();
84 
+
85 
+  // get IP, subnet mask, gateway IP
86 
+  EepromGetConfigHelp(EEPROM_ADDR_IP, ConfigIp, sizeof(ConfigIp));
87 
+  EepromGetConfigHelp(EEPROM_ADDR_MASK, ConfigMask, sizeof(ConfigMask));
88 
+  EepromGetConfigHelp(EEPROM_ADDR_GW, ConfigGw, sizeof(ConfigGw));
89 
+
90 
+  // get port for S8P
91 
+  EepromGetConfigHelp(EEPROM_ADDR_S8P_PORT, (unsigned char *)&ConfigS8pPort,
92 
+                      sizeof(ConfigS8pPort));
93 
+
94 
+  // get symmetric key for S8P
95 
+  EepromGetConfigHelp(EEPROM_ADDR_S8P_KEY, ConfigS8pKey,
96 
+                      sizeof(ConfigS8pKey));
97 
+
98 
+  // get port for webserver
99 
+  EepromGetConfigHelp(EEPROM_ADDR_HTTP_PORT, (unsigned char *)&ConfigHttpPort,
100 
+                      sizeof(ConfigHttpPort));
101 
+
102 
+  // get default output state
103 
+  EepromGetConfigHelp(EEPROM_ADDR_DEF_OUT, &ConfigDefOut,
104 
+                      sizeof(ConfigDefOut));
105 
+}
106 
+
107 
+// task function to do the work - call from main loop
108 
+void EepromTask(void)   // (extern)
109 
+{
110 
+  // not writing something to EEPROM
111 
+  if (!(EepromWriteFlags & EepromWriteFlagActive)) {
112 
+    // MAC needs to be written
113 
+    if (EepromNeedWrite & EepromNeedWriteMac) {
114 
+      EepromNeedWrite &= ~EepromNeedWriteMac;
115 
+      pEepromWriteSrc = ConfigMac;
116 
+      EepromWriteDestAddr = EEPROM_ADDR_MAC;
117 
+      EepromWriteCnt = sizeof(ConfigMac);
118 
+      EepromWriteFlags = EepromWriteFlagActive;
119 
+    }
120 
+    // IP needs to be written
121 
+    else if (EepromNeedWrite & EepromNeedWriteIp) {
122 
+      EepromNeedWrite &= ~EepromNeedWriteIp;
123 
+      pEepromWriteSrc = ConfigIp;
124 
+      EepromWriteDestAddr = EEPROM_ADDR_IP;
125 
+      EepromWriteCnt = sizeof(ConfigIp);
126 
+      EepromWriteFlags = EepromWriteFlagActive;
127 
+    }
128 
+    // subnet mask needs to be written
129 
+    else if (EepromNeedWrite & EepromNeedWriteMask) {
130 
+      EepromNeedWrite &= ~EepromNeedWriteMask;
131 
+      pEepromWriteSrc = ConfigMask;
132 
+      EepromWriteDestAddr = EEPROM_ADDR_MASK;
133 
+      EepromWriteCnt = sizeof(ConfigMask);
134 
+      EepromWriteFlags = EepromWriteFlagActive;
135 
+    }
136 
+    // gateway IP needs to be written
137 
+    else if (EepromNeedWrite & EepromNeedWriteGw) {
138 
+      EepromNeedWrite &= ~EepromNeedWriteGw;
139 
+      pEepromWriteSrc = ConfigGw;
140 
+      EepromWriteDestAddr = EEPROM_ADDR_GW;
141 
+      EepromWriteCnt = sizeof(ConfigGw);
142 
+      EepromWriteFlags = EepromWriteFlagActive;
143 
+    }
144 
+    // port for S8P needs to be written
145 
+    else if (EepromNeedWrite & EepromNeedWriteS8pPort) {
146 
+      EepromNeedWrite &= ~EepromNeedWriteS8pPort;
147 
+      pEepromWriteSrc = (unsigned char *)&ConfigS8pPort;
148 
+      EepromWriteDestAddr = EEPROM_ADDR_S8P_PORT;
149 
+      EepromWriteCnt = sizeof(ConfigS8pPort);
150 
+      EepromWriteFlags = EepromWriteFlagActive;
151 
+    }
152 
+    // symmetric key for S8P needs to be written
153 
+    else if (EepromNeedWrite & EepromNeedWriteS8pKey) {
154 
+      EepromNeedWrite &= ~EepromNeedWriteS8pKey;
155 
+      pEepromWriteSrc = ConfigS8pKey;
156 
+      EepromWriteDestAddr = EEPROM_ADDR_S8P_KEY;
157 
+      EepromWriteCnt = sizeof(ConfigS8pKey);
158 
+      EepromWriteFlags = EepromWriteFlagActive;
159 
+    }
160 
+    // port for webserver needs to be written
161 
+    else if (EepromNeedWrite & EepromNeedWriteHttpPort) {
162 
+      EepromNeedWrite &= ~EepromNeedWriteHttpPort;
163 
+      pEepromWriteSrc = (unsigned char *)&ConfigHttpPort;
164 
+      EepromWriteDestAddr = EEPROM_ADDR_HTTP_PORT;
165 
+      EepromWriteCnt = sizeof(ConfigHttpPort);
166 
+      EepromWriteFlags = EepromWriteFlagActive;
167 
+    }
168 
+    // if default output state needs to be written
169 
+    else if (EepromNeedWrite & EepromNeedWriteDefOut) {
170 
+      EepromNeedWrite &= ~EepromNeedWriteDefOut;
171 
+      pEepromWriteSrc = &ConfigDefOut;
172 
+      EepromWriteDestAddr = EEPROM_ADDR_DEF_OUT;
173 
+      EepromWriteCnt = sizeof(ConfigDefOut);
174 
+      EepromWriteFlags = EepromWriteFlagActive;
175 
+    }
176 
+    // nothing needs to be written
177 
+    else
178 
+      return;
179 
+
180 
+    debug_eeprom_printf("write adr=0x%04X len=%u", EepromWriteDestAddr,
181 
+                        EepromWriteCnt);
182 
+  }
183 
+  // EEPROM still busy
184 
+  if (bit_is_set(EECR, EEWE))
185 
+    // try again later
186 
+    return;
187 
+
188 
+  // disable interrupts
189 
+  cli();
190 
+
191 
+  // get address in EEPROM and data to write
192 
+  EEAR = EepromWriteDestAddr++;
193 
+  if (EepromWriteFlags & EepromWriteFlagCheck)  // check byte
194 
+  {
195 
+    EEDR = ~*(pEepromWriteSrc++);       // invert and advance source pointer
196 
+    EepromWriteCnt--;   // count down number of bytes to write
197 
+    if (EepromWriteCnt <= 0)    // finished
198 
+      EepromWriteFlags &= ~EepromWriteFlagActive;
199 
+  } else        // not check byte
200 
+    EEDR = *pEepromWriteSrc;    // use data byte as it is
201 
+  EepromWriteFlags ^= EepromWriteFlagCheck;     // toggle check byte bit
202 
+
203 
+  // initiate write to EEPROM
204 
+  bit_set(EECR, EEMWE);
205 
+  bit_set(EECR, EEWE);
206 
+
207 
+  // enable interrupts
208 
+  sei();
209 
+}
firmware/eeprom.h
View file @ e8658d5
... ... 
@@ -0,0 +1,26 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#ifndef INC_eeprom
7 
+#define INC_eeprom
8 
+
9 
+// flags for what needs to be written to the EEPROM
10 
+#define EepromNeedWriteMac 0x01
11 
+#define EepromNeedWriteIp 0x02
12 
+#define EepromNeedWriteMask 0x04
13 
+#define EepromNeedWriteGw 0x08
14 
+#define EepromNeedWriteS8pPort 0x10
15 
+#define EepromNeedWriteS8pKey 0x20
16 
+#define EepromNeedWriteHttpPort 0x40
17 
+#define EepromNeedWriteDefOut 0x80
18 
+extern unsigned char EepromNeedWrite;
19 
+
20 
+// get configuration from EEPROM
21 
+extern void EepromGetConfig(void);
22 
+
23 
+// task function to do the work - call from main loop
24 
+extern void EepromTask(void);
25 
+
26 
+#endif // #ifndef INC_eeprom
firmware/ethernet.c
View file @ e8658d5
... ... 
@@ -0,0 +1,75 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#include "arp.h"
7 
+#include "config.h"
8 
+#include "debug.h"
9 
+#include "ethernet.h"
10 
+#include "ip.h"
11 
+#include "macros.h"
12 
+#include "nethelp.h"
13 
+#include "rtl8019.h"
14 
+
15 
+// process a received ethernet packet
16 
+void EthernetRecv(unsigned char *pData, unsigned short Length)  // (extern)
17 
+{
18 
+  struct EthernetPacket *pEthPack;
19 
+
20 
+  // packet too short
21 
+  if (Length < sizeof(struct EthernetPacket))
22 
+    return;
23 
+
24 
+  // convert pointer to ethernet packet
25 
+  // (this saves us from always casting pData)
26 
+  pEthPack = (struct EthernetPacket *)pData;
27 
+
28 
+  debug_ether_printf
29 
+      ("recv len=%u type=0x%04X src=%02X:%02X:%02X:%02X:%02X:%02X", Length,
30 
+       ntohs(pEthPack->EthHdr.Type), pEthPack->EthHdr.Src[0],
31 
+       pEthPack->EthHdr.Src[1], pEthPack->EthHdr.Src[2],
32 
+       pEthPack->EthHdr.Src[3], pEthPack->EthHdr.Src[4],
33 
+       pEthPack->EthHdr.Src[5]);
34 
+
35 
+  // branch according to packet type
36 
+  switch (pEthPack->EthHdr.Type) {
37 
+    // ARP
38 
+  case htons(0x0806):
39 
+    ArpRecv(pData, Length);
40 
+    break;
41 
+    // IP
42 
+  case htons(0x0800):
43 
+    IpRecv(pData, Length);
44 
+    break;
45 
+  }
46 
+}
47 
+
48 
+// send an ethernet packet
49 
+// pData must point to a struct EthernetPacket with EthHdr.Dest and
50 
+// EthHdr.Type already initialized
51 
+void EthernetSend(unsigned char *pData, unsigned short Length)  // (extern)
52 
+{
53 
+  struct EthernetPacket *pEthPack;
54 
+
55 
+  // packet too short
56 
+  if (Length < sizeof(struct EthernetPacket))
57 
+    return;
58 
+
59 
+  // convert pointer to ethernet packet
60 
+  // (this saves us from always casting pData)
61 
+  pEthPack = (struct EthernetPacket *)pData;
62 
+
63 
+  debug_ether_printf
64 
+      ("send len=%u type=0x%04X dest=%02X:%02X:%02X:%02X:%02X:%02X", Length,
65 
+       ntohs(pEthPack->EthHdr.Type), pEthPack->EthHdr.Dest[0],
66 
+       pEthPack->EthHdr.Dest[1], pEthPack->EthHdr.Dest[2],
67 
+       pEthPack->EthHdr.Dest[3], pEthPack->EthHdr.Dest[4],
68 
+       pEthPack->EthHdr.Dest[5]);
69 
+
70 
+  // fill in source address
71 
+  mac_cpy(pEthPack->EthHdr.Src, ConfigMac);
72 
+
73 
+  // send packet
74 
+  RtlWriteFrame((unsigned char *)pData, Length);
75 
+}
firmware/ethernet.h
View file @ e8658d5
... ... 
@@ -0,0 +1,29 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#ifndef INC_ethernet
7 
+#define INC_ethernet
8 
+
9 
+// header of an ethernet packet
10 
+struct EthernetHeader {
11 
+  unsigned char Dest[6];
12 
+  unsigned char Src[6];
13 
+  unsigned short Type;
14 
+};
15 
+
16 
+// an ethernet packet
17 
+struct EthernetPacket {
18 
+  struct EthernetHeader EthHdr;
19 
+};
20 
+
21 
+// process a received ethernet packet
22 
+extern void EthernetRecv(unsigned char *pData, unsigned short Length);
23 
+
24 
+// send an ethernet packet
25 
+// pData must point to a struct EthernetPacket with EthHdr.Dest and
26 
+// EthHdr.Type already initialized
27 
+extern void EthernetSend(unsigned char *pData, unsigned short Length);
28 
+
29 
+#endif // #ifdef INC_ethernet
firmware/http.c
View file @ e8658d5
... ... 
@@ -0,0 +1,544 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#include <string.h>
7 
+#include <avr/pgmspace.h>
8 
+
9 
+#include "debug.h"
10 
+#include "http.h"
11 
+#include "macros.h"
12 
+#include "tcp.h"
13 
+
14 
+// receive states while parsing HTTP request
15 
+#define HTTP_RCV_CMD 0  // receiving HTTP command (e.g. GET)
16 
+#define HTTP_RCV_FILE 1 // receiving filename
17 
+#define HTTP_RCV_HDR_END 2      // receiving header until end
18 
+#define HTTP_RCV_DONE 3 // receiving completed
19 
+
20 
+// knwon HTTP commands
21 
+#define HTTP_CMD_UNKNOWN 0      // unknown HTTP command
22 
+#define HTTP_CMD_GET 1  // GET command
23 
+
24 
+// files available using HTTP
25 
+#define HTTP_FILE_NOT_FOUND 0   // file not found file
26 
+#define HTTP_FILE_INDEX 1       // index file
27 
+#define HTTP_FILE_ON_ALL 2      // turn on all link
28 
+#define HTTP_FILE_ON_SINGLE 3   // turn on single links (+0..+7)
29 
+#define HTTP_FILE_OFF_ALL 11    // turn off all link
30 
+#define HTTP_FILE_OFF_SINGLE 12 // turn off single links (+0..+7)
31 
+#define HTTP_FILE_IMG1 20       // image: on
32 
+#define HTTP_FILE_IMG0 21       // image: off
33 
+
34 
+// content of webpages and strings to fill in for variables
35 
+#include "http_content.inc"
36 
+
37 
+// table with HTTP connections
38 
+struct HttpConnection {
39 
+  unsigned char ConnNo; // number of the TCP connection, 0xFF is unused
40 
+  unsigned long RcvCnt; // number of received bytes on connection
41 
+  unsigned char RcvState;       // what is being received at the moment
42 
+  unsigned char RcvBuf[16];     // receive buffer
43 
+  unsigned char RcvBufLen;      // length of data in receive buffer
44 
+  unsigned char Command;        // the command the client issued
45 
+  char PreHttp1;        // flag if a HTTP version before 1.0 is used
46 
+  unsigned char File;   // the file the client requested
47 
+  uint16_t pSndData;    // the data to send (progmem pointer)
48 
+  unsigned short SndDataLen;    // the length of the data to send
49 
+  char Vars;    // flag if to interpret variables
50 
+} HttpConns[4];
51 
+
52 
+// parse HTTP command
53 
+static void HttpParseCommand(struct HttpConnection *pConn)
54 
+{
55 
+  // GET command
56 
+  if (pConn->RcvBufLen == 3
57 
+      && strncasecmp((const char *)pConn->RcvBuf, "GET", 3) == 0)
58 
+    pConn->Command = HTTP_CMD_GET;
59 
+  // unknown command is the default
60 
+  else
61 
+    pConn->Command = HTTP_CMD_UNKNOWN;
62 
+}
63 
+
64 
+// parse HTTP file
65 
+static void HttpParseFile(struct HttpConnection *pConn)
66 
+{
67 
+  // index file
68 
+  if ((pConn->RcvBufLen == 1
69 
+       && strncasecmp((const char *)pConn->RcvBuf, "/", 1) == 0)
70 
+      || (pConn->RcvBufLen == 2
71 
+          && strncasecmp((const char *)pConn->RcvBuf, "/i", 2) == 0))
72 
+    pConn->File = HTTP_FILE_INDEX;
73 
+  // turn on all link
74 
+  else if (pConn->RcvBufLen == 3
75 
+           && strncasecmp((const char *)pConn->RcvBuf, "/on", 3) == 0)
76 
+    pConn->File = HTTP_FILE_ON_ALL;
77 
+  // turn on single link
78 
+  else if (pConn->RcvBufLen == 4
79 
+           && strncasecmp((const char *)pConn->RcvBuf, "/on", 3) == 0
80 
+           && pConn->RcvBuf[3] >= '1' && pConn->RcvBuf[3] <= '8')
81 
+    pConn->File = HTTP_FILE_ON_SINGLE + pConn->RcvBuf[3] - '1';
82 
+  // turn off all link
83 
+  else if (pConn->RcvBufLen == 4
84 
+           && strncasecmp((const char *)pConn->RcvBuf, "/off", 4) == 0)
85 
+    pConn->File = HTTP_FILE_OFF_ALL;
86 
+  // turn off single link
87 
+  else if (pConn->RcvBufLen == 5
88 
+           && strncasecmp((const char *)pConn->RcvBuf, "/off", 4) == 0
89 
+           && pConn->RcvBuf[4] >= '1' && pConn->RcvBuf[4] <= '8')
90 
+    pConn->File = HTTP_FILE_OFF_SINGLE + pConn->RcvBuf[4] - '1';
91 
+  // image: on
92 
+  else if (pConn->RcvBufLen == 5
93 
+           && strncasecmp((const char *)pConn->RcvBuf, "/img1", 5) == 0)
94 
+    pConn->File = HTTP_FILE_IMG1;
95 
+  // image: off
96 
+  else if (pConn->RcvBufLen == 5
97 
+           && strncasecmp((const char *)pConn->RcvBuf, "/img0", 5) == 0)
98 
+    pConn->File = HTTP_FILE_IMG0;
99 
+  // error file is the default
100 
+  else
101 
+    pConn->File = HTTP_FILE_NOT_FOUND;
102 
+}
103 
+
104 
+// process HTTP request
105 
+static void HttpProcessRequest(struct HttpConnection *pConn)
106 
+{
107 
+  // different commands
108 
+  switch (pConn->Command) {
109 
+
110 
+  case HTTP_CMD_GET:
111 
+    // different actions
112 
+    switch (pConn->File) {
113 
+
114 
+    case HTTP_FILE_ON_ALL:
115 
+      pConn->File = HTTP_FILE_INDEX;    // "symlink" to index file
116 
+      break;
117 
+
118 
+    case HTTP_FILE_ON_SINGLE + 0:
119 
+    case HTTP_FILE_ON_SINGLE + 1:
120 
+    case HTTP_FILE_ON_SINGLE + 2:
121 
+    case HTTP_FILE_ON_SINGLE + 3:
122 
+    case HTTP_FILE_ON_SINGLE + 4:
123 
+    case HTTP_FILE_ON_SINGLE + 5:
124 
+    case HTTP_FILE_ON_SINGLE + 6:
125 
+    case HTTP_FILE_ON_SINGLE + 7:
126 
+      pConn->File = HTTP_FILE_INDEX;    // "symlink" to index file
127 
+      break;
128 
+
129 
+    case HTTP_FILE_OFF_ALL:
130 
+      pConn->File = HTTP_FILE_INDEX;    // "symlink" to index file
131 
+      break;
132 
+
133 
+    case HTTP_FILE_OFF_SINGLE + 0:
134 
+    case HTTP_FILE_OFF_SINGLE + 1:
135 
+    case HTTP_FILE_OFF_SINGLE + 2:
136 
+    case HTTP_FILE_OFF_SINGLE + 3:
137 
+    case HTTP_FILE_OFF_SINGLE + 4:
138 
+    case HTTP_FILE_OFF_SINGLE + 5:
139 
+    case HTTP_FILE_OFF_SINGLE + 6:
140 
+    case HTTP_FILE_OFF_SINGLE + 7:
141 
+      pConn->File = HTTP_FILE_INDEX;    // "symlink" to index file
142 
+      break;
143 
+
144 
+    }   // switch( pConn->File )
145 
+
146 
+    // different files
147 
+    switch (pConn->File) {
148 
+
149 
+    case HTTP_FILE_INDEX:
150 
+      if (pConn->PreHttp1) {
151 
+        pConn->pSndData = (uint16_t) HttpIndex + HttpIndexHeaderSize;
152 
+        pConn->SndDataLen = sizeof(HttpIndex) - 1 - HttpIndexHeaderSize;
153 
+      } else {
154 
+        pConn->pSndData = (uint16_t) HttpIndex;
155 
+        pConn->SndDataLen = sizeof(HttpIndex) - 1;
156 
+      }
157 
+      pConn->Vars = 1;
158 
+      break;
159 
+
160 
+    case HTTP_FILE_IMG1:
161 
+      if (pConn->PreHttp1) {
162 
+        pConn->pSndData = (uint16_t) HttpImg1 + HttpImg1HeaderSize;
163 
+        pConn->SndDataLen = sizeof(HttpImg1) - 1 - HttpImg1HeaderSize;
164 
+      } else {
165 
+        pConn->pSndData = (uint16_t) HttpImg1;
166 
+        pConn->SndDataLen = sizeof(HttpImg1) - 1;
167 
+      }
168 
+      pConn->Vars = 0;
169 
+      break;
170 
+
171 
+    case HTTP_FILE_IMG0:
172 
+      if (pConn->PreHttp1) {
173 
+        pConn->pSndData = (uint16_t) HttpImg0 + HttpImg0HeaderSize;
174 
+        pConn->SndDataLen = sizeof(HttpImg0) - 1 - HttpImg0HeaderSize;
175 
+      } else {
176 
+        pConn->pSndData = (uint16_t) HttpImg0;
177 
+        pConn->SndDataLen = sizeof(HttpImg0) - 1;
178 
+      }
179 
+      pConn->Vars = 0;
180 
+      break;
181 
+
182 
+    case HTTP_FILE_NOT_FOUND:
183 
+    default:
184 
+      if (pConn->PreHttp1) {
185 
+        pConn->pSndData = (uint16_t) HttpNotFound + HttpNotFoundHeaderSize;
186 
+        pConn->SndDataLen = sizeof(HttpNotFound) - 1 - HttpNotFoundHeaderSize;
187 
+      } else {
188 
+        pConn->pSndData = (uint16_t) HttpNotFound;
189 
+        pConn->SndDataLen = sizeof(HttpNotFound) - 1;
190 
+      }
191 
+      pConn->Vars = 0;
192 
+
193 
+    }   // switch( pConn->File )
194 
+    break;
195 
+
196 
+  case HTTP_CMD_UNKNOWN:
197 
+  default:
198 
+    if (pConn->PreHttp1) {
199 
+      pConn->pSndData = (uint16_t) HttpBadRequest + HttpBadRequestHeaderSize;
200 
+      pConn->SndDataLen =
201 
+          sizeof(HttpBadRequest) - 1 - HttpBadRequestHeaderSize;
202 
+    } else {
203 
+      pConn->pSndData = (uint16_t) HttpBadRequest;
204 
+      pConn->SndDataLen = sizeof(HttpBadRequest) - 1;
205 
+    }
206 
+    pConn->Vars = 0;
207 
+
208 
+  }     // switch( pConn->Command )
209 
+}
210 
+
211 
+// get a variable
212 
+// returns progmem pointer to variable and the length of the variable
213 
+static void HttpGetVariable(unsigned char VarNo, uint16_t * ppVar,
214 
+                            unsigned char *pVarLen)
215 
+{
216 
+  switch (VarNo) {
217 
+
218 
+    // current state of output 1..8 ("ON" or "off")
219 
+  case 0x81:
220 
+  case 0x82:
221 
+  case 0x83:
222 
+  case 0x84:
223 
+  case 0x85:
224 
+  case 0x86:
225 
+  case 0x87:
226 
+  case 0x88:
227 
+    *ppVar = (uint16_t) HttpVarOff;
228 
+    *pVarLen = sizeof(HttpVarOff);
229 
+    break;
230 
+
231 
+    // current state of output 1..8 ("1" or "0")
232 
+  case 0x91:
233 
+  case 0x92:
234 
+  case 0x93:
235 
+  case 0x94:
236 
+  case 0x95:
237 
+  case 0x96:
238 
+  case 0x97:
239 
+  case 0x98:
240 
+    *ppVar = (uint16_t) HttpVar0;
241 
+    *pVarLen = sizeof(HttpVar0);
242 
+    break;
243 
+
244 
+    // unknown variable
245 
+  default:
246 
+    *ppVar = (uint16_t) HttpVarUnknown;
247 
+    *pVarLen = sizeof(HttpVarUnknown);
248 
+    break;
249 
+
250 
+  }     // switch( VarNo );
251 
+}
252 
+
253 
+// called when connection is established
254 
+void HttpConnect(unsigned char ConnNo)
255 
+{
256 
+  unsigned char i;
257 
+  struct HttpConnection *pConn;
258 
+
259 
+  // find connection in table (in case TCP calls us twice, this should never
260 
+  // happen)
261 
+  for (i = 0; i < count(HttpConns); i++)
262 
+    if (HttpConns[i].ConnNo == ConnNo)
263 
+      break;
264 
+  // connection not found
265 
+  if (i >= count(HttpConns)) {
266 
+    // find a free entry
267 
+    for (i = 0; i < count(HttpConns); i++)
268 
+      if (HttpConns[i].ConnNo == 0xFF)
269 
+        break;
270 
+    if (i >= count(HttpConns))  // no free entry found
271 
+      return;   // ignore this connection (will be closed in first call of
272 
+                // HttpSend)
273 
+  }
274 
+  // get pointer to connection
275 
+  pConn = &HttpConns[i];
276 
+
277 
+  debug_http_printf("accept no=%u", ConnNo);
278 
+
279 
+  // put new connection into table
280 
+  pConn->ConnNo = ConnNo;
281 
+  pConn->RcvCnt = 0;
282 
+  pConn->RcvState = HTTP_RCV_CMD;
283 
+  pConn->RcvBufLen = 0;
284 
+}
285 
+
286 
+// called when connection is closed / reset
287 
+// (after this, the connection number may not be used any more)
288 
+void HttpClose(unsigned char ConnNo)
289 
+{
290 
+  unsigned char i;
291 
+  struct HttpConnection *pConn;
292 
+
293 
+  // find connection in table
294 
+  for (i = 0; i < count(HttpConns); i++)
295 
+    if (HttpConns[i].ConnNo == ConnNo)
296 
+      break;
297 
+  if (i >= count(HttpConns))    // connection not found
298 
+    return;     // ignore this (now already closed) connection
299 
+  // get pointer to connection
300 
+  pConn = &HttpConns[i];
301 
+
302 
+  debug_http_printf("close no=%u", ConnNo);
303 
+
304 
+  // drop connection from table
305 
+  pConn->ConnNo = 0xFF;
306 
+}
307 
+
308 
+// called when sending data is possible
309 
+// (return length of available data, 0xFFFF to close connection)
310 
+unsigned short HttpSend(unsigned char ConnNo, unsigned long Pos,
311 
+                        unsigned char *pBuffer, unsigned short MaxLen)
312 
+{
313 
+  unsigned char i, var, VarLen, VarPos;
314 
+  struct HttpConnection *pConn;
315 
+  unsigned short len, j;
316 
+  uint16_t src, srcTmp, pVar;   // progmem pointer
317 
+  char chr, *dest;
318 
+
319 
+  // find connection in table
320 
+  for (i = 0; i < count(HttpConns); i++)
321 
+    if (HttpConns[i].ConnNo == ConnNo)
322 
+      break;
323 
+  if (i >= count(HttpConns))    // connection not found
324 
+    return 0xFFFF;      // close connection
325 
+  // get pointer to connection
326 
+  pConn = &HttpConns[i];
327 
+
328 
+  // not done with receiving
329 
+  if (pConn->RcvState != HTTP_RCV_DONE)
330 
+    return 0;   // do not send anything yet
331 
+
332 
+  // at or behind end of data
333 
+  if (Pos >= (unsigned long)pConn->SndDataLen)
334 
+    return 0xFFFF;      // request to close connection
335 
+
336 
+  // get number of bytes to send
337 
+  len = min(pConn->SndDataLen - (unsigned short)Pos, MaxLen);
338 
+  if (len == 0) // nothing to send
339 
+    return 0;
340 
+
341 
+  // no variable in variable buffer
342 
+  var = 0;
343 
+  VarLen = 0;
344 
+  VarPos = 0;
345 
+  // if part that should be sent starts with variable
346 
+  src = pConn->pSndData + (uint16_t) Pos;
347 
+  chr = (char)pgm_read_byte_near(src);  // read first character
348 
+  if (pConn->Vars && (unsigned char)chr >= 0x80) {
349 
+    // get variable
350 
+    var = chr;
351 
+    HttpGetVariable(var, &pVar, &VarLen);
352 
+    // get position in variable
353 
+    for (VarPos = 0, srcTmp = src - 1; srcTmp > pConn->pSndData;
354 
+         VarPos++, srcTmp--)
355 
+      if ((char)pgm_read_byte_near(srcTmp) != var)      // if normal
356 
+                                                        // character or other
357 
+                                                        // variable, we found
358 
+                                                        // the begin of the
359 
+                                                        // variable
360 
+        break;
361 
+  }
362 
+  // copy data to buffer
363 
+  dest = (char *)pBuffer;
364 
+  for (j = 0; j < len; j++) {
365 
+    // read current character
366 
+    chr = (char)pgm_read_byte_near(src);
367 
+    // variable
368 
+    if (pConn->Vars && (unsigned char)chr >= 0x80) {
369 
+      // new variable
370 
+      if (var != chr) {
371 
+        // get variable
372 
+        var = chr;
373 
+        HttpGetVariable(var, &pVar, &VarLen);
374 
+        VarPos = 0;
375 
+      }
376 
+      // copy next character of variable
377 
+      if (VarPos < VarLen)      // get next character of variable
378 
+        *dest = (char)pgm_read_byte_near(pVar + VarPos++);
379 
+      else
380 
+        *dest = ' ';    // fill rest of variable with spaces
381 
+    }
382 
+    // normal character
383 
+    else {
384 
+      var = 0;  // not a variable
385 
+      *dest = chr;      // copy character
386 
+    }
387 
+    // next character
388 
+    src++;
389 
+    dest++;
390 
+  }     // for( j ...
391 
+
392 
+  // return length of data in buffer
393 
+  debug_http_printf("send no=%u pos=%lu len=%u", ConnNo, Pos, len);
394 
+  return len;
395 
+}
396 
+
397 
+// called when data was sent and ACKed
398 
+void HttpSent(unsigned char ConnNo, unsigned long Pos)
399 
+{
400 
+  // nothing needs to be done here
401 
+}
402 
+
403 
+// called when data was received
404 
+// must return new window size (not smaller than curWnd)
405 
+unsigned short HttpReceived(unsigned char ConnNo, unsigned long Pos,
406 
+                            unsigned char *pBuffer, unsigned short Len,
407 
+                            unsigned short curWnd)
408 
+{
409 
+  unsigned char i;
410 
+  struct HttpConnection *pConn;
411 
+
412 
+  // find connection in table
413 
+  for (i = 0; i < count(HttpConns); i++)
414 
+    if (HttpConns[i].ConnNo == ConnNo)
415 
+      break;
416 
+  if (i >= count(HttpConns))    // connection not found
417 
+    return max(curWnd, 256);    // ignore this connection (will be closed in
418 
+                                // first call of HttpSend)
419 
+  // get pointer to connection
420 
+  pConn = &HttpConns[i];
421 
+
422 
+  // received duplicate data or missed some data
423 
+  // (just to be on the safe side, this should never happen)
424 
+  if (pConn->RcvCnt != Pos) {
425 
+    // close connection
426 
+    TcpClose(pConn->ConnNo);
427 
+    pConn->ConnNo = 0xFF;
428 
+    return max(curWnd, 256);
429 
+  }
430 
+  // process received data
431 
+  for (; Len > 0; pBuffer++, Len--, pConn->RcvCnt++) {
432 
+    // store character in receive buffer (if it fits into it)
433 
+    if (pConn->RcvBufLen < sizeof(pConn->RcvBuf)) {
434 
+      pConn->RcvBuf[pConn->RcvBufLen] = *pBuffer;
435 
+      pConn->RcvBufLen++;
436 
+    }
437 
+    // actions according to state
438 
+    switch (pConn->RcvState) {
439 
+
440 
+      // receiving HTTP command (e.g GET)
441 
+    case HTTP_RCV_CMD:
442 
+      if (*pBuffer == '\r' || *pBuffer == '\n') // newline
443 
+      {
444 
+        pConn->RcvBufLen--;     // remove newline from buffer
445 
+        HttpParseCommand(pConn);        // parse command
446 
+        pConn->PreHttp1 = 1;    // older than HTTP 1.0
447 
+        pConn->File = HTTP_FILE_INDEX;  // send index file
448 
+        pConn->RcvState = HTTP_RCV_DONE;        // receiving completed
449 
+        debug_http_printf("get+end no=%u", pConn->ConnNo);
450 
+        pConn->RcvBufLen = 0;   // empty receive buffer
451 
+        HttpProcessRequest(pConn);      // now process request
452 
+      } else if (*pBuffer == ' ' || *pBuffer == '\t')   // whitespace
453 
+      {
454 
+        pConn->RcvBufLen--;     // remove whitespace from buffer
455 
+        HttpParseCommand(pConn);        // parse command
456 
+        pConn->RcvState = HTTP_RCV_FILE;        // now receive filename
457 
+        debug_http_printf("get no=%u", pConn->ConnNo);
458 
+        pConn->RcvBufLen = 0;   // empty receive buffer
459 
+      }
460 
+      break;
461 
+
462 
+      // receiving filename
463 
+    case HTTP_RCV_FILE:
464 
+      if (*pBuffer == '\r' || *pBuffer == '\n') // newline
465 
+      {
466 
+        pConn->RcvBufLen--;     // remove newline from buffer
467 
+        HttpParseFile(pConn);   // parse file
468 
+        pConn->PreHttp1 = 1;    // older than HTTP 1.0
469 
+        pConn->RcvState = HTTP_RCV_DONE;        // receiving completed
470 
+        debug_http_printf("file+end no=%u file=%u", pConn->ConnNo,
471 
+                          pConn->File);
472 
+        pConn->RcvBufLen = 0;   // empty receive buffer
473 
+        HttpProcessRequest(pConn);      // now process request
474 
+      } else if (*pBuffer == ' ' || *pBuffer == '\t')   // whitespace
475 
+      {
476 
+        pConn->RcvBufLen--;     // remove whitespace from buffer
477 
+        HttpParseFile(pConn);   // parse file
478 
+        pConn->PreHttp1 = 0;    // HTTP 1.0 or newer
479 
+        pConn->RcvState = HTTP_RCV_HDR_END;     // now receive header until
480 
+                                                // end
481 
+        debug_http_printf("file no=%u file=%u", pConn->ConnNo, pConn->File);
482 
+        pConn->RcvBufLen = 0;   // empty receive buffer
483 
+      }
484 
+      break;
485 
+
486 
+      // receiving header until end
487 
+    case HTTP_RCV_HDR_END:
488 
+      if (*pBuffer != '\r' && *pBuffer != '\n') // not a newline
489 
+      {
490 
+        pConn->RcvBufLen = 0;   // empty receive buffer
491 
+        break;
492 
+      }
493 
+      if ((pConn->RcvBufLen == 2 && memcmp(pConn->RcvBuf, "\r\r", 2) == 0) ||   // CR
494 
+                                                                                // CR
495 
+          (pConn->RcvBufLen == 2 && memcmp(pConn->RcvBuf, "\n\n", 2) == 0) ||   // LF
496 
+                                                                                // LF
497 
+          (pConn->RcvBufLen == 3 && memcmp(pConn->RcvBuf, "\r\n\n", 3) == 0) || // CR
498 
+                                                                                // LF
499 
+                                                                                // LF
500 
+          (pConn->RcvBufLen == 3 && memcmp(pConn->RcvBuf, "\n\r\n", 3) == 0) || // LF
501 
+                                                                                // CR
502 
+                                                                                // LF
503 
+          pConn->RcvBufLen == 4)        // CR LF CR LF (or some other
504 
+                                        // combination of 4 times CR or LF)
505 
+      {
506 
+        pConn->RcvState = HTTP_RCV_DONE;        // receiving completed
507 
+        debug_http_printf("end no=%u", pConn->ConnNo);
508 
+        pConn->RcvBufLen = 0;   // empty receive buffer
509 
+        HttpProcessRequest(pConn);      // now process request
510 
+      }
511 
+      break;
512 
+
513 
+      // receiving completed
514 
+    case HTTP_RCV_DONE:
515 
+      pConn->RcvBufLen = 0;     // ignore any additional data
516 
+      break;
517 
+
518 
+    }   // switch( pConn->RcvState )
519 
+  }     // for( ; Len > 0; pBuffer++, Len--, pConn->RcvCnt++ )
520 
+
521 
+  // return at least 256 bytes window size
522 
+  // - we are always able to receive data
523 
+  return max(curWnd, 256);
524 
+}
525 
+
526 
+// http notification functions
527 
+struct TcpNotify HttpNotify =   // (extern)
528 
+{
529 
+  .Connect = HttpConnect,
530 
+  .Close = HttpClose,
531 
+  .Send = HttpSend,
532 
+  .Sent = HttpSent,
533 
+  .Received = HttpReceived,
534 
+};
535 
+
536 
+// initialize
537 
+void HttpInit(void)     // (extern)
538 
+{
539 
+  unsigned char i;
540 
+
541 
+  // no HTTP connections yet
542 
+  for (i = 0; i < count(HttpConns); i++)
543 
+    HttpConns[i].ConnNo = 0xFF;
544 
+}
firmware/http.h
View file @ e8658d5
... ... 
@@ -0,0 +1,17 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#ifndef INC_http
7 
+#define INC_http
8 
+
9 
+#include "tcp.h"
10 
+
11 
+// initialize
12 
+extern void HttpInit(void);
13 
+
14 
+// http notification functions
15 
+extern struct TcpNotify HttpNotify;
16 
+
17 
+#endif // #ifdef INC_http
firmware/http_classic/bad_request.html
View file @ e8658d5
... ... 
@@ -0,0 +1,9 @@
1 
+<html>
2 
+  <head><title>flaneth - 400 Bad Request</title></head>
3 
+  <body>
4 
+    <h1>flaneth - 400 Bad Request</h1>
5 
+    Your browser sent a request that this server could not understand.<br>
6 
+    <br><br>
7 
+    flaneth - __VERSION__
8 
+  </body>
9 
+</html>
firmware/http_classic/image_off.png
View file @ e8658d5
firmware/http_classic/image_on.png
View file @ e8658d5
firmware/http_classic/index.html
View file @ e8658d5
... ... 
@@ -0,0 +1,65 @@
1 
+<html>
2 
+  <head>
3 
+    <title>flaneth</title>
4 
+    <meta http-equiv="pragma" content="no-cache">
5 
+  </head>
6 
+  <body bgcolor="#DCDCDC" text="#000000" link="#0000C0" alink="#0000C0" vlink="#0000C0">
7 
+    <h1>flaneth</h1>
8 
+    <table border="1" cellpadding="3">
9 
+      <tr>
10 
+        <td align="center"><b>port</b></td>
11 
+        <td align="center"><b>state</b></td>
12 
+        <td align="center"><b>actions</b></td>
13 
+      </tr>
14 
+      <tr>
15 
+        <td align="center"><b>1</b></td>
16 
+        <td align="center"><img src="img__VAR_10_1__" alt="__VAR_ONOFF_1__">&nbsp;__VAR_ONOFF_1__</td>
17 
+        <td align="center"><a href="on1">on</a>&nbsp;&nbsp;&nbsp;<a href="off1">off</a></td>
18 
+      </tr>
19 
+      <tr>
20 
+        <td align="center"><b>2</b></td>
21 
+        <td align="center"><img src="img__VAR_10_2__" alt="__VAR_ONOFF_2__">&nbsp;__VAR_ONOFF_2__</td>
22 
+        <td align="center"><a href="on2">on</a>&nbsp;&nbsp;&nbsp;<a href="off2">off</a></td>
23 
+      </tr>
24 
+      <tr>
25 
+        <td align="center"><b>3</b></td>
26 
+        <td align="center"><img src="img__VAR_10_3__" alt="__VAR_ONOFF_3__">&nbsp;__VAR_ONOFF_3__</td>
27 
+        <td align="center"><a href="on3">on</a>&nbsp;&nbsp;&nbsp;<a href="off3">off</a></td>
28 
+      </tr>
29 
+      <tr>
30 
+        <td align="center"><b>4</b></td>
31 
+        <td align="center"><img src="img__VAR_10_4__" alt="__VAR_ONOFF_4__">&nbsp;__VAR_ONOFF_4__</td>
32 
+        <td align="center"><a href="on4">on</a>&nbsp;&nbsp;&nbsp;<a href="off4">off</a></td>
33 
+      </tr>
34 
+      <tr>
35 
+        <td align="center"><b>5</b></td>
36 
+        <td align="center"><img src="img__VAR_10_5__" alt="__VAR_ONOFF_5__">&nbsp;__VAR_ONOFF_5__</td>
37 
+        <td align="center"><a href="on5">on</a>&nbsp;&nbsp;&nbsp;<a href="off5">off</a></td>
38 
+      </tr>
39 
+      <tr>
40 
+        <td align="center"><b>6</b></td>
41 
+        <td align="center"><img src="img__VAR_10_6__" alt="__VAR_ONOFF_6__">&nbsp;__VAR_ONOFF_6__</td>
42 
+        <td align="center"><a href="on6">on</a>&nbsp;&nbsp;&nbsp;<a href="off6">off</a></td>
43 
+      </tr>
44 
+      <tr>
45 
+        <td align="center"><b>7</b></td>
46 
+        <td align="center"><img src="img__VAR_10_7__" alt="__VAR_ONOFF_7__">&nbsp;__VAR_ONOFF_7__</td>
47 
+        <td align="center"><a href="on7">on</a>&nbsp;&nbsp;&nbsp;<a href="off7">off</a></td>
48 
+      </tr>
49 
+      <tr>
50 
+        <td align="center"><b>8</b></td>
51 
+        <td align="center"><img src="img__VAR_10_8__" alt="__VAR_ONOFF_8__">&nbsp;__VAR_ONOFF_8__</td>
52 
+        <td align="center"><a href="on8">on</a>&nbsp;&nbsp;&nbsp;<a href="off8">off</a></td>
53 
+      </tr>
54 
+      <tr>
55 
+        <td align="center">all</td>
56 
+        <td align="center">&nbsp;</td>
57 
+        <td align="center"><a href="on">on</a>&nbsp;&nbsp;&nbsp;<a href="off">off</a></td>
58 
+      </tr>
59 
+    </table>
60 
+    <br><br>
61 
+    <a href="i">refresh</a>
62 
+    <br><br>
63 
+    flaneth - __VERSION__
64 
+  </body>
65 
+</html>
firmware/http_classic/not_found.html
View file @ e8658d5
... ... 
@@ -0,0 +1,9 @@
1 
+<html>
2 
+  <head><title>flaneth - 404 Not Found</title></head>
3 
+  <body>
4 
+    <h1>flaneth - 404 Not Found</h1>
5 
+    The requested URL was not found on this server.<br>
6 
+    <br><br>
7 
+    flaneth - __VERSION__
8 
+  </body>
9 
+</html>
firmware/http_classic/var_0.txt
View file @ e8658d5
... ... 
@@ -0,0 +1 @@
1 
+0
0 2 
\ No newline at end of file
firmware/http_classic/var_1.txt
View file @ e8658d5
... ... 
@@ -0,0 +1 @@
1 
+1
0 2 
\ No newline at end of file
firmware/http_classic/var_off.txt
View file @ e8658d5
... ... 
@@ -0,0 +1 @@
1 
+off
0 2 
\ No newline at end of file
firmware/http_classic/var_on.txt
View file @ e8658d5
... ... 
@@ -0,0 +1 @@
1 
+ON
0 2 
\ No newline at end of file
firmware/http_classic/var_unknown.txt
View file @ e8658d5
firmware/http_content.pl
View file @ e8658d5
... ... 
@@ -0,0 +1,292 @@
1 
+#! /usr/bin/perl
2 
+
3 
+# flaneth - flash and ethernet
4 
+# version 0.1 date 2008-11-09
5 
+# Copyright (C) 2007-2008 Stefan Schuermans <stefan@schuermans.info>
6 
+# Copyleft: GNU public license V2 - http://www.gnu.org/copyleft/gpl.html
7 
+# a BlinkenArea project - http://www.blinkenarea.org/
8 
+
9 
+use strict;
10 
+
11 
+my $VERSION="version 0.1 date 2008-11-09";
12 
+
13 
+
14 
+
15 
+die( "usage: $0 <http_dir> <http_content.inc>\n" ) if( @ARGV < 2 );
16 
+
17 
+my $dir = @ARGV[0];
18 
+my $output = @ARGV[1];
19 
+
20 
+
21 
+
22 
+my $var_on_off_size = max( file_size( $dir . "/var_on.txt" ), file_size( $dir . "/var_off.txt" ) );
23 
+my $var_1_0_size = max( file_size( $dir . "/var_1.txt" ), file_size( $dir . "/var_0.txt" ) );
24 
+
25 
+die( "variable too long (only 255 characters are allowed)\n" ) if( max( $var_on_off_size, $var_1_0_size ) > 255 );
26 
+
27 
+
28 
+
29 
+# maximum
30 
+# usage: $m = max( $a, $b )
31 
+sub max
32 
+{
33 
+  my $a = shift;
34 
+  my $b = shift;
35 
+  return $a > $b ? $a : $b;
36 
+}
37 
+
38 
+
39 
+
40 
+# convert a character to a string
41 
+# usage: $txt = chr2str( $ascii_code, $cnt )
42 
+sub chr2str
43 
+{
44 
+  my $ascii_code = shift;
45 
+  my $cnt = shift;
46 
+
47 
+  my $txt = "";
48 
+
49 
+  for( ; $cnt > 0; $cnt-- ) {
50 
+    $txt .= pack( "C", $ascii_code );
51 
+  }
52 
+
53 
+  return $txt;
54 
+}
55 
+
56 
+
57 
+
58 
+# c string escaping
59 
+# usage: $escaped = str_esc( $txt )
60 
+sub str_esc
61 
+{
62 
+  my $txt = shift;
63 
+
64 
+  my $escaped = "";
65 
+  for( my $i = 0; $i < length( $txt ); $i++ ) {
66 
+    my $chr = substr( $txt, $i, 1 );
67 
+    if( $chr eq '\\' ) {
68 
+      $escaped .= "\\\\";
69 
+    } elsif( $chr eq '"' ) {
70 
+      $escaped .= "\\\"";
71 
+    } elsif( $chr eq "\t" ) {
72 
+      $escaped .= "\\t";
73 
+    } elsif( $chr eq "\r" ) {
74 
+      $escaped .= "\\r";
75 
+    } elsif( $chr eq "\n" ) {
76 
+      $escaped .= "\\n";
77 
+    } elsif( $chr ge ' ' && $chr le '~' ) {
78 
+      $escaped .= $chr;
79 
+    } else {
80 
+      $escaped .= sprintf( "\\x%02X", unpack( "C", $chr ) );
81 
+    }
82 
+  }
83 
+
84 
+  return $escaped;
85 
+}
86 
+
87 
+
88 
+
89 
+# replace variables
90 
+# usage: $line_replaced = var_replace( $line )
91 
+sub var_replace
92 
+{
93 
+  my $line = shift;
94 
+
95 
+  $line =~ s/__VERSION__/$VERSION/g;
96 
+  for( my $i = 1; $i <= 8; $i++ ) {
97 
+    my $var;
98 
+    $var = chr2str( 0x80 + $i, $var_on_off_size );
99 
+    $line =~ s/__VAR_ONOFF_${i}__/$var/g;
100 
+    $var = chr2str( 0x90 + $i, $var_1_0_size );
101 
+    $line =~ s/__VAR_10_${i}__/$var/g;
102 
+  }
103 
+
104 
+  return $line;
105 
+}
106 
+
107 
+
108 
+
109 
+# get file size
110 
+# usage: $size = file_size( $filename )
111 
+sub file_size
112 
+{
113 
+  my $filename = shift;
114 
+
115 
+  my @info = stat( $filename );
116 
+
117 
+  return @info[7] if( @info > 7 ); # @info[7] is the size (see documentation of stat)
118 
+
119 
+  return 0;
120 
+}
121 
+
122 
+
123 
+
124 
+# convert a text file to c code
125 
+# usage: $code = textfile2code( $filename )
126 
+sub textfile2code
127 
+{
128 
+  my $filename = shift;
129 
+
130 
+  my $txt = "";
131 
+
132 
+  open( TEXTFILE, "<$filename" ) or die ( "cannot open \"$filename\" for reading: $!\n" );
133 
+
134 
+  my $line;
135 
+  while( $line = <TEXTFILE> ) {
136 
+    $txt .= "\"" . str_esc( var_replace( $line ) ) . "\"\n";
137 
+  }
138 
+
139 
+
140 
+  close( TEXTFILE );
141 
+
142 
+  return $txt;
143 
+}
144 
+
145 
+
146 
+
147 
+# convert a binary file to c code
148 
+# usage: $code = binfile2code( $filename )
149 
+sub binfile2code
150 
+{
151 
+  my $filename = shift;
152 
+
153 
+  my $txt = "";
154 
+
155 
+  open( BINFILE, "<$filename" ) or die ( "cannot open \"$filename\" for reading: $!\n" );
156 
+  binmode( BINFILE );
157 
+
158 
+  my $val;
159 
+  while( 1 ) {
160 
+    $txt.= "\"";
161 
+    my $i;
162 
+    for( $i = 0; $i < 0x10; $i++ ) {
163 
+      read( BINFILE, $val, 1 ) or last;
164 
+      $txt .= sprintf( "\\x%02X", unpack( "C", $val ) );
165 
+    }
166 
+    $txt .= "\"\n";
167 
+    last if( $i < 0x10 );
168 
+  }
169 
+
170 
+  close( BINFILE );
171 
+
172 
+  return $txt;
173 
+}
174 
+
175 
+
176 
+
177 
+# convert a text file to a c string
178 
+# usage: $code = textfile2str( $filename )
179 
+sub textfile2str
180 
+{
181 
+  my $filename = shift;
182 
+
183 
+  open( TEXTFILE, "<$filename" ) or die( "cannot open \"$filename\" for reading: $!\n" );
184 
+  my $line = <TEXTFILE>;
185 
+  close( TEXTFILE );
186 
+
187 
+  return "\"" . str_esc( $line ) . "\"";
188 
+}
189 
+
190 
+
191 
+
192 
+open( OUTPUT, ">$output" ) or die( "cannot open \"$output\" for writing: $!\n" );
193 
+
194 
+print OUTPUT <<EOF;
195 
+//content for webpages
196 
+// - characters from 0x80..0xFF indicate 1 character of a variable
197 
+//   - e.g. "\\x80\\x80\\x80" indicates to insert the first 3 characters of varibale 0x80
198 
+//   - for meaning of variables, see HttpGetVariable
199 
+
200 
+EOF
201 
+
202 
+print OUTPUT <<EOF;
203 
+#define HttpBadRequestHeaderSize 121
204 
+const char PROGMEM HttpBadRequest[] =
205 
+"HTTP/1.0 400 Bad Request\\r\\n"
206 
+"Server: flaneth (ATMEGA128) by blinkenarea.org\\r\\n"
207 
+"Connection: close\\r\\n"
208 
+"Content-Type: text/html\\r\\n"
209 
+"\\r\\n"
210 
+EOF
211 
+print( OUTPUT textfile2code( $dir . "/bad_request.html" ) );
212 
+print OUTPUT <<EOF;
213 
+;
214 
+
215 
+EOF
216 
+
217 
+print OUTPUT <<EOF;
218 
+#define HttpNotFoundHeaderSize 119
219 
+const char PROGMEM HttpNotFound[] =
220 
+"HTTP/1.0 404 Not Found\\r\\n"
221 
+"Server: flaneth (ATMEGA128) by blinkenarea.org\\r\\n"
222 
+"Connection: close\\r\\n"
223 
+"Content-Type: text/html\\r\\n"
224 
+"\\r\\n"
225 
+EOF
226 
+print( OUTPUT textfile2code( $dir . "/not_found.html" ) );
227 
+print OUTPUT <<EOF;
228 
+;
229 
+
230 
+EOF
231 
+
232 
+print OUTPUT <<EOF;
233 
+#define HttpIndexHeaderSize 112
234 
+const char PROGMEM HttpIndex[] =
235 
+"HTTP/1.0 200 Ok\\r\\n"
236 
+"Server: flaneth (ATMEGA128) by blinkenarea.org\\r\\n"
237 
+"Connection: close\\r\\n"
238 
+"Content-Type: text/html\\r\\n"
239 
+"\\r\\n"
240 
+EOF
241 
+print( OUTPUT textfile2code( $dir . "/index.html" ) );
242 
+print OUTPUT <<EOF;
243 
+;
244 
+
245 
+EOF
246 
+
247 
+print OUTPUT <<EOF;
248 
+#define HttpImg1HeaderSize 112
249 
+const char PROGMEM HttpImg1[] =
250 
+"HTTP/1.0 200 Ok\\r\\n"
251 
+"Server: flaneth (ATMEGA128) by blinkenarea.org\\r\\n"
252 
+"Connection: close\\r\\n"
253 
+"Content-Type: image/png\\r\\n"
254 
+"\\r\\n"
255 
+EOF
256 
+print( OUTPUT binfile2code( $dir . "/image_on.png" ) );
257 
+print OUTPUT <<EOF;
258 
+;
259 
+
260 
+EOF
261 
+
262 
+print OUTPUT <<EOF;
263 
+#define HttpImg0HeaderSize 112
264 
+const char PROGMEM HttpImg0[] =
265 
+"HTTP/1.0 200 Ok\\r\\n"
266 
+"Server: flaneth (ATMEGA128) by blinkenarea.org\\r\\n"
267 
+"Connection: close\\r\\n"
268 
+"Content-Type: image/png\\r\\n"
269 
+"\\r\\n"
270 
+EOF
271 
+print( OUTPUT binfile2code( $dir . "/image_off.png" ) );
272 
+print OUTPUT <<EOF;
273 
+;
274 
+
275 
+EOF
276 
+
277 
+print OUTPUT <<EOF;
278 
+//text to fill in for variables
279 
+// - variables 0x81..0x88: filled with "On"- or "Off"-text (depending on output state 1..8)
280 
+// - variables 0x91..0x98: filled with "1"- or "0"-text (depending on output state 1..8)
281 
+
282 
+EOF
283 
+
284 
+print( OUTPUT 'const char PROGMEM HttpVarUnknown[] = ' . textfile2str( $dir . "/var_unknown.txt" ) . ";\n" );
285 
+print( OUTPUT 'const char PROGMEM HttpVarOn[] = ' . textfile2str( $dir . "/var_on.txt" ) . ";\n" );
286 
+print( OUTPUT 'const char PROGMEM HttpVarOff[] = ' . textfile2str( $dir . "/var_off.txt" ) . ";\n" );
287 
+print( OUTPUT 'const char PROGMEM HttpVar1[] = ' . textfile2str( $dir . "/var_1.txt" ) . ";\n" );
288 
+print( OUTPUT 'const char PROGMEM HttpVar0[] = ' . textfile2str( $dir . "/var_0.txt" ) . ";\n" );
289 
+print( OUTPUT "\n" );
290 
+
291 
+close( OUTPUT );
292 
+
firmware/http_oldschool/bad_request.html
View file @ e8658d5
... ... 
@@ -0,0 +1,13 @@
1 
+<html>
2 
+ <head>
3 
+  <title>flaneth - 400 Bad Request</title>
4 
+ </head>
5 
+ <body alink="#008000" bgcolor="#000000" link="#008000" text="#008000" vlink="#008000">
6 
+  <font face="MONOSPACE">
7 
+   <h1>flaneth - 400 Bad Request</h1>
8 
+   Your browser sent a request that this server could not understand.<br>
9 
+   <br>
10 
+   <font size="-1">flaneth<br>__VERSION__</font>
11 
+  </font>
12 
+ </body>
13 
+</html>
firmware/http_oldschool/image_off.png
View file @ e8658d5
firmware/http_oldschool/image_on.png
View file @ e8658d5
firmware/http_oldschool/index.html
View file @ e8658d5
... ... 
@@ -0,0 +1,86 @@
1 
+<html>
2 
+ <head>
3 
+  <title>flaneth</title>
4 
+  <meta http-equiv="pragma" content="no-cache">
5 
+ </head>
6 
+ <body alink="#008000" bgcolor="#000000" link="#008000" text="#008000" vlink="#008000">
7 
+  <font face="MONOSPACE">
8 
+   <table width="400" border="0">
9 
+    <tr>
10 
+     <td>
11 
+     &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\|||/<br>
12 
+     &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(o o)<br>
13 
+     +-oooO--(_)-------+<br>
14 
+     |&nbsp;&nbsp;<font color="#7F7F7F">&nbsp;_&nbsp;&nbsp;_&nbsp;&nbsp;_&nbsp;&nbsp;__</font>&nbsp;&nbsp;&nbsp;|<br>
15 
+     |&nbsp;&nbsp;<font color="#7F7F7F">(_)|_)|_||_ </font>&nbsp;&nbsp;&nbsp;|<br>
16 
+     |&nbsp;&nbsp;<font color="#7F7F7F">(_)|_)| ||__</font>&nbsp;&nbsp;&nbsp;|<br>
17 
+     +------------Ooo--+<br>
18 
+     &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;|__|__|<br>
19 
+     &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;|| ||<br>
20 
+     &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ooO Ooo<br>
21 
+     <br><font size="+1">
22 
+     <font color="#3F3F3F">8</font><font color="#4F4F4F">B</font><font color="#5F5F5F">i</font><font color="#6F6F6F">t</font><font color="#7F7F7F">A</font><font color="#8F8F8F">m</font><font color="#9F9F9F">E</font><font color="#AFAFAF">t</font><font color="#9F9F9F">h</font><font color="#8F8F8F">e</font><font color="#7F7F7F">r</font><font color="#6F6F6F">n</font><font color="#5F5F5F">e</font><font color="#5F5F5F">t</font>
23 
+     </font>
24 
+     </td>
25 
+     <td>
26 
+     <center>
27 
+     <table border="1" cellpadding="3">
28 
+     <tr>
29 
+     <td align="center"><b>port</b></td>
30 
+     <td align="center"><b>state</b></td>
31 
+     <td align="center"><b>action</b></td>
32 
+     </tr>
33 
+     <tr>
34 
+     <td align="center"><b>1</b></td>
35 
+     <td align="center">__VAR_ONOFF_1__</font></td>
36 
+     <td align="center"><a href="on1">on</a>|<a href="off1">off</a></td>
37 
+     </tr>
38 
+     <tr>
39 
+     <td align="center"><b>2</b></td>
40 
+     <td align="center">__VAR_ONOFF_2__</td>
41 
+     <td align="center"><a href="on2">on</a>|<a href="off2">off</a></td>
42 
+     </tr>
43 
+     <tr>
44 
+     <td align="center"><b>3</b></td>
45 
+     <td align="center">__VAR_ONOFF_3__</td>
46 
+     <td align="center"><a href="on3">on</a>|<a href="off3">off</a></td>
47 
+     </tr>
48 
+     <tr>
49 
+     <td align="center"><b>4</b></td>
50 
+     <td align="center">__VAR_ONOFF_4__</td>
51 
+     <td align="center"><a href="on4">on</a>|<a href="off4">off</a></td>
52 
+     </tr>
53 
+     <tr>
54 
+     <td align="center"><b>5</b></td>
55 
+     <td align="center">__VAR_ONOFF_5__</td>
56 
+     <td align="center"><a href="on5">on</a>|<a href="off5">off</a></td>
57 
+     </tr>
58 
+     <tr>
59 
+     <td align="center"><b>6</b></td>
60 
+     <td align="center">__VAR_ONOFF_6__</td>
61 
+     <td align="center"><a href="on6">on</a>|<a href="off6">off</a></td>
62 
+     </tr>
63 
+     <tr>
64 
+     <td align="center"><b>7</b></td>
65 
+     <td align="center">__VAR_ONOFF_7__</td>
66 
+     <td align="center"><a href="on7">on</a>|<a href="off7">off</a></td>
67 
+     </tr>
68 
+     <tr>
69 
+     <td align="center"><b>8</b></td>
70 
+     <td align="center">__VAR_ONOFF_8__</td>
71 
+     <td align="center"><a href="on8">on</a>|<a href="off8">off</a></td>
72 
+     </tr>
73 
+     <tr>
74 
+     <td align="center"><b>*</b></td>
75 
+     <td align="center">&nbsp;</td>
76 
+     <td align="center"><a href="on">on</a>|<a href="off">off</a></td>
77 
+     </tr>
78 
+     </table><br><a href="/">refresh state</a>
79 
+     </center>
80 
+     </td>
81 
+    </tr>
82 
+    <tr><td><font size="-1">flaneth<br>__VERSION__</font></td><td></td></tr>
83 
+   </table>
84 
+  </font>
85 
+ </body>
86 
+</html>
firmware/http_oldschool/info.txt
View file @ e8658d5
... ... 
@@ -0,0 +1,2 @@
1 
+English oldschool theme
2 
+based on German oldschool theme by Stephan 'ST' Kambor <st@blinkenarea.org>
firmware/http_oldschool/not_found.html
View file @ e8658d5
... ... 
@@ -0,0 +1,13 @@
1 
+<html>
2 
+ <head>
3 
+  <title>flaneth - 404 Not Found</title>
4 
+ </head>
5 
+ <body alink="#008000" bgcolor="#000000" link="#008000" text="#008000" vlink="#008000">
6 
+  <font face="MONOSPACE">
7 
+   <h1>flaneth - 404 Not Found</h1>
8 
+   The requested URL was not found on this server.<br>
9 
+   <br>
10 
+   <font size="-1">flaneth<br>__VERSION__</font>
11 
+  </font>
12 
+ </body>
13 
+</html>
firmware/http_oldschool/var_0.txt
View file @ e8658d5
... ... 
@@ -0,0 +1 @@
1 
+0
0 2 
\ No newline at end of file
firmware/http_oldschool/var_1.txt
View file @ e8658d5
... ... 
@@ -0,0 +1 @@
1 
+1
0 2 
\ No newline at end of file
firmware/http_oldschool/var_off.txt
View file @ e8658d5
... ... 
@@ -0,0 +1 @@
1 
+<font color="#FF0000">[off]</font>
0 2 
\ No newline at end of file
firmware/http_oldschool/var_on.txt
View file @ e8658d5
... ... 
@@ -0,0 +1 @@
1 
+<font color="#FFFF00">[on]</font>
0 2 
\ No newline at end of file
firmware/http_oldschool/var_unknown.txt
View file @ e8658d5
firmware/http_oldschool_de/bad_request.html
View file @ e8658d5
... ... 
@@ -0,0 +1,13 @@
1 
+<html>
2 
+ <head>
3 
+  <title>flaneth - 400 Fehlerhafte Anfrage</title>
4 
+ </head>
5 
+ <body alink="#008000" bgcolor="#000000" link="#008000" text="#008000" vlink="#008000">
6 
+  <font face="MONOSPACE">
7 
+   <h1>flaneth - 400 Fehlerhafte Anfrage</h1>
8 
+   Dein Browser hat eine Anfrage gesendet, die dieser Server nicht verstehen konnte.<br>
9 
+   <br>
10 
+   <font size="-1">flaneth<br>__VERSION__</font>
11 
+  </font>
12 
+ </body>
13 
+</html>
firmware/http_oldschool_de/image_off.png
View file @ e8658d5
firmware/http_oldschool_de/image_on.png
View file @ e8658d5
firmware/http_oldschool_de/index.html
View file @ e8658d5
... ... 
@@ -0,0 +1,86 @@
1 
+<html>
2 
+ <head>
3 
+  <title>flaneth</title>
4 
+  <meta http-equiv="pragma" content="no-cache">
5 
+ </head>
6 
+ <body alink="#008000" bgcolor="#000000" link="#008000" text="#008000" vlink="#008000">
7 
+  <font face="MONOSPACE">
8 
+   <table width="400" border="0">
9 
+    <tr>
10 
+     <td>
11 
+     &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\|||/<br>
12 
+     &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(o o)<br>
13 
+     +-oooO--(_)-------+<br>
14 
+     |&nbsp;&nbsp;<font color="#7F7F7F">&nbsp;_&nbsp;&nbsp;_&nbsp;&nbsp;_&nbsp;&nbsp;__</font>&nbsp;&nbsp;&nbsp;|<br>
15 
+     |&nbsp;&nbsp;<font color="#7F7F7F">(_)|_)|_||_ </font>&nbsp;&nbsp;&nbsp;|<br>
16 
+     |&nbsp;&nbsp;<font color="#7F7F7F">(_)|_)| ||__</font>&nbsp;&nbsp;&nbsp;|<br>
17 
+     +------------Ooo--+<br>
18 
+     &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;|__|__|<br>
19 
+     &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;|| ||<br>
20 
+     &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ooO Ooo<br>
21 
+     <br><font size="+1">
22 
+     <font color="#3F3F3F">8</font><font color="#4F4F4F">B</font><font color="#5F5F5F">i</font><font color="#6F6F6F">t</font><font color="#7F7F7F">A</font><font color="#8F8F8F">m</font><font color="#9F9F9F">E</font><font color="#AFAFAF">t</font><font color="#9F9F9F">h</font><font color="#8F8F8F">e</font><font color="#7F7F7F">r</font><font color="#6F6F6F">n</font><font color="#5F5F5F">e</font><font color="#5F5F5F">t</font>
23 
+     </font>
24 
+     </td>
25 
+     <td>
26 
+     <center>
27 
+     <table border="1" cellpadding="3">
28 
+     <tr>
29 
+     <td align="center"><b>Port</b></td>
30 
+     <td align="center"><b>Status</b></td>
31 
+     <td align="center"><b>Aktion</b></td>
32 
+     </tr>
33 
+     <tr>
34 
+     <td align="center"><b>1</b></td>
35 
+     <td align="center">__VAR_ONOFF_1__</font></td>
36 
+     <td align="center"><a href="on1">ein</a>|<a href="off1">aus</a></td>
37 
+     </tr>
38 
+     <tr>
39 
+     <td align="center"><b>2</b></td>
40 
+     <td align="center">__VAR_ONOFF_2__</td>
41 
+     <td align="center"><a href="on2">ein</a>|<a href="off2">aus</a></td>
42 
+     </tr>
43 
+     <tr>
44 
+     <td align="center"><b>3</b></td>
45 
+     <td align="center">__VAR_ONOFF_3__</td>
46 
+     <td align="center"><a href="on3">ein</a>|<a href="off3">aus</a></td>
47 
+     </tr>
48 
+     <tr>
49 
+     <td align="center"><b>4</b></td>
50 
+     <td align="center">__VAR_ONOFF_4__</td>
51 
+     <td align="center"><a href="on4">ein</a>|<a href="off4">aus</a></td>
52 
+     </tr>
53 
+     <tr>
54 
+     <td align="center"><b>5</b></td>
55 
+     <td align="center">__VAR_ONOFF_5__</td>
56 
+     <td align="center"><a href="on5">ein</a>|<a href="off5">aus</a></td>
57 
+     </tr>
58 
+     <tr>
59 
+     <td align="center"><b>6</b></td>
60 
+     <td align="center">__VAR_ONOFF_6__</td>
61 
+     <td align="center"><a href="on6">ein</a>|<a href="off6">aus</a></td>
62 
+     </tr>
63 
+     <tr>
64 
+     <td align="center"><b>7</b></td>
65 
+     <td align="center">__VAR_ONOFF_7__</td>
66 
+     <td align="center"><a href="on7">ein</a>|<a href="off7">aus</a></td>
67 
+     </tr>
68 
+     <tr>
69 
+     <td align="center"><b>8</b></td>
70 
+     <td align="center">__VAR_ONOFF_8__</td>
71 
+     <td align="center"><a href="on8">ein</a>|<a href="off8">aus</a></td>
72 
+     </tr>
73 
+     <tr>
74 
+     <td align="center"><b>*</b></td>
75 
+     <td align="center">&nbsp;</td>
76 
+     <td align="center"><a href="on">ein</a>|<a href="off">aus</a></td>
77 
+     </tr>
78 
+     </table><br><a href="/">Status aktualisieren</a>
79 
+     </center>
80 
+     </td>
81 
+    </tr>
82 
+    <tr><td><font size="-1">flaneth<br>__VERSION__</font></td><td></td></tr>
83 
+   </table>
84 
+  </font>
85 
+ </body>
86 
+</html>
firmware/http_oldschool_de/info.txt
View file @ e8658d5
... ... 
@@ -0,0 +1,2 @@
1 
+German oldschool theme
2 
+by Stephan 'ST' Kambor <st@blinkenarea.org>
firmware/http_oldschool_de/not_found.html
View file @ e8658d5
... ... 
@@ -0,0 +1,13 @@
1 
+<html>
2 
+ <head>
3 
+  <title>flaneth - 404 Nicht Gefunden</title>
4 
+ </head>
5 
+ <body alink="#008000" bgcolor="#000000" link="#008000" text="#008000" vlink="#008000">
6 
+  <font face="MONOSPACE">
7 
+   <h1>flaneth - 404 Nicht Gefunden</h1>
8 
+   Die angeforderte URL wurde auf diesem Server nicht gefunden.<br>
9 
+   <br>
10 
+   <font size="-1">flaneth<br>__VERSION__</font>
11 
+  </font>
12 
+ </body>
13 
+</html>
firmware/http_oldschool_de/var_0.txt
View file @ e8658d5
... ... 
@@ -0,0 +1 @@
1 
+0
0 2 
\ No newline at end of file
firmware/http_oldschool_de/var_1.txt
View file @ e8658d5
... ... 
@@ -0,0 +1 @@
1 
+1
0 2 
\ No newline at end of file
firmware/http_oldschool_de/var_off.txt
View file @ e8658d5
... ... 
@@ -0,0 +1 @@
1 
+<font color="#FF0000">[aus]</font>
0 2 
\ No newline at end of file
firmware/http_oldschool_de/var_on.txt
View file @ e8658d5
... ... 
@@ -0,0 +1 @@
1 
+<font color="#00FF00">[ein]</font>
0 2 
\ No newline at end of file
firmware/http_oldschool_de/var_unknown.txt
View file @ e8658d5
firmware/http_simple/bad_request.html
View file @ e8658d5
... ... 
@@ -0,0 +1,9 @@
1 
+<html>
2 
+  <head><title>flaneth - 400 Bad Request</title></head>
3 
+  <body>
4 
+    <h1>flaneth - 400 Bad Request</h1>
5 
+    Your browser sent a request that this server could not understand.<br>
6 
+    <br><br>
7 
+    flaneth - __VERSION__
8 
+  </body>
9 
+</html>
firmware/http_simple/image_off.png
View file @ e8658d5
firmware/http_simple/image_on.png
View file @ e8658d5
firmware/http_simple/index.html
View file @ e8658d5
... ... 
@@ -0,0 +1,65 @@
1 
+<html>
2 
+  <head>
3 
+    <title>flaneth</title>
4 
+    <meta http-equiv="pragma" content="no-cache">
5 
+  </head>
6 
+  <body>
7 
+    <h1>flaneth</h1>
8 
+    <table border="1" cellpadding="3">
9 
+      <tr>
10 
+        <td align="center"><b>port</b></td>
11 
+        <td align="center"><b>state</b></td>
12 
+        <td align="center"><b>actions</b></td>
13 
+      </tr>
14 
+      <tr>
15 
+        <td align="center"><b>1</b></td>
16 
+        <td align="center">__VAR_ONOFF_1__</td>
17 
+        <td align="center"><a href="on1">on</a>&nbsp;&nbsp;&nbsp;<a href="off1">off</a></td>
18 
+      </tr>
19 
+      <tr>
20 
+        <td align="center"><b>2</b></td>
21 
+        <td align="center">__VAR_ONOFF_2__</td>
22 
+        <td align="center"><a href="on2">on</a>&nbsp;&nbsp;&nbsp;<a href="off2">off</a></td>
23 
+      </tr>
24 
+      <tr>
25 
+        <td align="center"><b>3</b></td>
26 
+        <td align="center">__VAR_ONOFF_3__</td>
27 
+        <td align="center"><a href="on3">on</a>&nbsp;&nbsp;&nbsp;<a href="off3">off</a></td>
28 
+      </tr>
29 
+      <tr>
30 
+        <td align="center"><b>4</b></td>
31 
+        <td align="center">__VAR_ONOFF_4__</td>
32 
+        <td align="center"><a href="on4">on</a>&nbsp;&nbsp;&nbsp;<a href="off4">off</a></td>
33 
+      </tr>
34 
+      <tr>
35 
+        <td align="center"><b>5</b></td>
36 
+        <td align="center">__VAR_ONOFF_5__</td>
37 
+        <td align="center"><a href="on5">on</a>&nbsp;&nbsp;&nbsp;<a href="off5">off</a></td>
38 
+      </tr>
39 
+      <tr>
40 
+        <td align="center"><b>6</b></td>
41 
+        <td align="center">__VAR_ONOFF_6__</td>
42 
+        <td align="center"><a href="on6">on</a>&nbsp;&nbsp;&nbsp;<a href="off6">off</a></td>
43 
+      </tr>
44 
+      <tr>
45 
+        <td align="center"><b>7</b></td>
46 
+        <td align="center">__VAR_ONOFF_7__</td>
47 
+        <td align="center"><a href="on7">on</a>&nbsp;&nbsp;&nbsp;<a href="off7">off</a></td>
48 
+      </tr>
49 
+      <tr>
50 
+        <td align="center"><b>8</b></td>
51 
+        <td align="center">__VAR_ONOFF_8__</td>
52 
+        <td align="center"><a href="on8">on</a>&nbsp;&nbsp;&nbsp;<a href="off8">off</a></td>
53 
+      </tr>
54 
+      <tr>
55 
+        <td align="center">all</td>
56 
+        <td align="center">&nbsp;</td>
57 
+        <td align="center"><a href="on">on</a>&nbsp;&nbsp;&nbsp;<a href="off">off</a></td>
58 
+      </tr>
59 
+    </table>
60 
+    <br><br>
61 
+    <a href="i">refresh</a>
62 
+    <br><br>
63 
+    flaneth - __VERSION__
64 
+  </body>
65 
+</html>
firmware/http_simple/not_found.html
View file @ e8658d5
... ... 
@@ -0,0 +1,9 @@
1 
+<html>
2 
+  <head><title>flaneth - 404 Not Found</title></head>
3 
+  <body>
4 
+    <h1>flaneth - 404 Not Found</h1>
5 
+    The requested URL was not found on this server.<br>
6 
+    <br><br>
7 
+    flaneth - __VERSION__
8 
+  </body>
9 
+</html>
firmware/http_simple/var_0.txt
View file @ e8658d5
firmware/http_simple/var_1.txt
View file @ e8658d5
firmware/http_simple/var_off.txt
View file @ e8658d5
... ... 
@@ -0,0 +1 @@
1 
+off
0 2 
\ No newline at end of file
firmware/http_simple/var_on.txt
View file @ e8658d5
... ... 
@@ -0,0 +1 @@
1 
+ON
0 2 
\ No newline at end of file
firmware/http_simple/var_unknown.txt
View file @ e8658d5
firmware/icmp.c
View file @ e8658d5
... ... 
@@ -0,0 +1,113 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#include <string.h>
7 
+
8 
+#include "checksum.h"
9 
+#include "debug.h"
10 
+#include "ethernet.h"
11 
+#include "icmp.h"
12 
+#include "ip.h"
13 
+#include "macros.h"
14 
+#include "nethelp.h"
15 
+
16 
+// send an ICMP packet
17 
+// pData must point to a struct IcmpPacket with IcmpHdr.Type, IcmpHdr.Code
18 
+// and IpHdr.Dest already initialized
19 
+static void IcmpSend(unsigned char *pData, unsigned short Length)
20 
+{
21 
+  struct IcmpPacket *pIcmpPack;
22 
+  unsigned int chk;
23 
+
24 
+  // packet too short
25 
+  if (Length < sizeof(struct IcmpPacket))
26 
+    return;
27 
+
28 
+  // convert pointer to ICMP packet
29 
+  // (this saves us from always casting pData)
30 
+  pIcmpPack = (struct IcmpPacket *)pData;
31 
+
32 
+  debug_icmp_printf("send type=0x%02X len=%u", pIcmpPack->IcmpHdr.Type,
33 
+                    Length);
34 
+
35 
+  // fill in header values
36 
+  pIcmpPack->IcmpHdr.Chk = 0x0000;
37 
+
38 
+  // generate checksum
39 
+  chk =
40 
+      Checksum((unsigned char *)&pIcmpPack->IcmpHdr,
41 
+               Length - sizeof(struct EthernetHeader) -
42 
+               sizeof(struct IpHeader), 0x0000, 0x0000);
43 
+  pIcmpPack->IcmpHdr.Chk = htons(chk);
44 
+
45 
+  // send ICMP packet
46 
+  pIcmpPack->IpHdr.Proto = 0x01;        // ICMP
47 
+  IpSend(pData, Length);
48 
+}
49 
+
50 
+// process a received ICMP echo request packet
51 
+static void IcmpEchoReqRecv(unsigned char *pData, unsigned short Length)
52 
+{
53 
+  struct IcmpEchoPacket *pIcmpEchoPack;
54 
+
55 
+  // packet too short
56 
+  if (Length < sizeof(struct IcmpEchoPacket))
57 
+    return;
58 
+
59 
+  // convert pointer to ICMP echo request/reply packet
60 
+  // (this saves us from always casting pData)
61 
+  pIcmpEchoPack = (struct IcmpEchoPacket *)pData;
62 
+
63 
+  // code not 0
64 
+  if (pIcmpEchoPack->IcmpHdr.Code != 0x00)
65 
+    return;
66 
+
67 
+  debug_icmp_printf("icmp echo len=%u", Length);
68 
+
69 
+  // send an ICMP echo reply
70 
+  // - use same buffer to send reply
71 
+  // - this saves us from needing to allocate a new buffer
72 
+  // - this saves us from needing to copy EchoHdr.Id, EchoHdr.Seq and the
73 
+  // data
74 
+  pIcmpEchoPack->IcmpHdr.Type = 0x00;   // ICMP echo reply
75 
+  pIcmpEchoPack->IcmpHdr.Code = 0x00;
76 
+  ip_cpy(pIcmpEchoPack->IpHdr.Dest, pIcmpEchoPack->IpHdr.Src);  // destination
77 
+                                                                // IP is
78 
+                                                                // source IP
79 
+                                                                // of request
80 
+  IcmpSend(pData, Length);
81 
+}
82 
+
83 
+// process a received ICMP packet
84 
+void IcmpRecv(unsigned char *pData, unsigned short Length)      // (extern)
85 
+{
86 
+  struct IcmpPacket *pIcmpPack;
87 
+
88 
+  // packet too short
89 
+  if (Length < sizeof(struct IcmpPacket))
90 
+    return;
91 
+
92 
+  // convert pointer to ICMP packet
93 
+  // (this saves us from always casting pData)
94 
+  pIcmpPack = (struct IcmpPacket *)pData;
95 
+
96 
+  // test checksum
97 
+  if (Checksum
98 
+      ((unsigned char *)&pIcmpPack->IcmpHdr,
99 
+       Length - sizeof(struct EthernetHeader) - sizeof(struct IpHeader),
100 
+       0x0000, 0x0000) != 0)
101 
+    return;
102 
+
103 
+  debug_icmp_printf("recv type=0x%02X len=%u", pIcmpPack->IcmpHdr.Type,
104 
+                    Length);
105 
+
106 
+  // branch according to type
107 
+  switch (pIcmpPack->IcmpHdr.Type) {
108 
+    // ICMP echo request
109 
+  case 0x08:
110 
+    IcmpEchoReqRecv(pData, Length);
111 
+    break;
112 
+  }
113 
+}
firmware/icmp.h
View file @ e8658d5
... ... 
@@ -0,0 +1,43 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#ifndef INC_icmp
7 
+#define INC_icmp
8 
+
9 
+#include "ethernet.h"
10 
+#include "ip.h"
11 
+
12 
+// header of an ICMP packet
13 
+struct IcmpHeader {
14 
+  unsigned char Type;
15 
+  unsigned char Code;
16 
+  unsigned int Chk;
17 
+};
18 
+
19 
+// an ICMP packet
20 
+struct IcmpPacket {
21 
+  struct EthernetHeader EthHdr;
22 
+  struct IpHeader IpHdr;
23 
+  struct IcmpHeader IcmpHdr;
24 
+};
25 
+
26 
+// header of an ICMP echo request/reply packet
27 
+struct IcmpEchoHeader {
28 
+  unsigned int Id;
29 
+  unsigned int Seq;
30 
+};
31 
+
32 
+// an ICMP echo request/reply packet
33 
+struct IcmpEchoPacket {
34 
+  struct EthernetHeader EthHdr;
35 
+  struct IpHeader IpHdr;
36 
+  struct IcmpHeader IcmpHdr;
37 
+  struct IcmpEchoHeader EchoHdr;
38 
+};
39 
+
40 
+// process a received ICMP packet
41 
+extern void IcmpRecv(unsigned char *pData, unsigned short Length);
42 
+
43 
+#endif // #ifdef INC_icmp
firmware/ip.c
View file @ e8658d5
... ... 
@@ -0,0 +1,341 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#include <string.h>
7 
+
8 
+#include "arp.h"
9 
+#include "checksum.h"
10 
+#include "config.h"
11 
+#include "debug.h"
12 
+#include "ethernet.h"
13 
+#include "icmp.h"
14 
+#include "ip.h"
15 
+#include "macros.h"
16 
+#include "nethelp.h"
17 
+#include "tcp.h"
18 
+#include "udp.h"
19 
+
20 
+// timing parameters
21 
+#define IpBufferTicksMax 50     // maximum age of buffered IP packet (in
22 
+                                // 200ms steps)
23 
+
24 
+// buffers for IP packets to transmit
25 
+// - used if MAC is unknown when packet shall be transmitted
26 
+// - packet is sent when MAC becomes known
27 
+unsigned char IpBuffer0[80];    // some buffers with different length (IP
28 
+                                // packets have different length)
29 
+unsigned char IpBuffer1[80];
30 
+unsigned char IpBuffer2[160];
31 
+unsigned char IpBuffer3[320];
32 
+struct IpBufferTable    // table with buffers
33 
+{
34 
+  unsigned char *pBuffer;       // pointer to buffer for packet
35 
+  unsigned short BufferLength;  // length of buffer
36 
+  unsigned short PacketLength;  // length of packet in buffer, 0 if no packet
37 
+                                // in this buffer
38 
+  unsigned char Ticks;  // age of entry in 200ms steps
39 
+} IpBufferTab[] = {     // put smaller buffers in front of larger buffers
40 
+  // - then short packets will use smaller buffers more often
41 
+  {
42 
+  IpBuffer0, sizeof(IpBuffer0), 0, 0}
43 
+  , {
44 
+  IpBuffer1, sizeof(IpBuffer1), 0, 0}
45 
+  , {
46 
+  IpBuffer2, sizeof(IpBuffer2), 0, 0}
47 
+  , {
48 
+  IpBuffer3, sizeof(IpBuffer3), 0, 0}
49 
+,};
50 
+
51 
+// tick procedure - call every 200ms
52 
+void IpTick200(void)    // (extern)
53 
+{
54 
+  unsigned char i;
55 
+
56 
+  // increase age of buffered IP packets and remove timed out ones
57 
+  for (i = 0; i < count(IpBufferTab); i++) {
58 
+    if (IpBufferTab[i].PacketLength > 0)        // buffer in use
59 
+    {
60 
+      IpBufferTab[i].Ticks++;   // increase age
61 
+      if (IpBufferTab[i].Ticks > IpBufferTicksMax)      // too old
62 
+        IpBufferTab[i].PacketLength = 0;        // discard packet
63 
+    }
64 
+  }
65 
+}
66 
+
67 
+// process a received IP packet
68 
+void IpRecv(unsigned char *pData, unsigned short Length)        // (extern)
69 
+{
70 
+  struct IpPacket *pIpPack;
71 
+  unsigned int len;
72 
+
73 
+  // packet too short
74 
+  if (Length < sizeof(struct IpPacket))
75 
+    return;
76 
+
77 
+  // convert pointer to IP packet
78 
+  // (this saves us from always casting pData)
79 
+  pIpPack = (struct IpPacket *)pData;
80 
+
81 
+  // not IPv4
82 
+  if (pIpPack->IpHdr.Ver_HdrLen != 0x45)        // IPv4 with no options
83 
+                                                // present
84 
+    return;
85 
+
86 
+  // check destination address
87 
+  do {
88 
+    if (ip_eq(pIpPack->IpHdr.Dest, ConfigIp))   // own IP
89 
+      break;
90 
+    if (ip_eq(pIpPack->IpHdr.Dest, "\xFF\xFF\xFF\xFF")) // broadcast
91 
+      break;
92 
+    if (pIpPack->IpHdr.Dest[0] == (ConfigIp[0] & ConfigMask[0]) &&      // local
93 
+                                                                        // broadcast
94 
+        pIpPack->IpHdr.Dest[1] == (ConfigIp[1] & ConfigMask[1]) &&
95 
+        pIpPack->IpHdr.Dest[2] == (ConfigIp[2] & ConfigMask[2]) &&
96 
+        pIpPack->IpHdr.Dest[3] == (ConfigIp[3] & ConfigMask[3]))
97 
+      break;
98 
+    return;     // packet not to this node
99 
+  } while (0);
100 
+
101 
+  // ignore packets sent from invalid source adresses
102 
+  // - this might be some attack or some router fault
103 
+  if (pIpPack->IpHdr.Src[0] >= 0xE0 ||  // broadcast, reserved or multicast
104 
+                                        // addresses
105 
+      pIpPack->IpHdr.Src[0] == 0x7F ||  // loopback network
106 
+      ip_eq(pIpPack->IpHdr.Src, "\x00\x00\x00\x00"))    // IP 0.0.0.0
107 
+    return;
108 
+  // ignore packets sent from local network address or broadcast address
109 
+  if ((pIpPack->IpHdr.Src[0] & ConfigMask[0]) == (ConfigIp[0] & ConfigMask[0]) &&       // source
110 
+                                                                                        // IP
111 
+                                                                                        // is
112 
+                                                                                        // in
113 
+                                                                                        // own
114 
+                                                                                        // subnet
115 
+      (pIpPack->IpHdr.Src[1] & ConfigMask[1]) == (ConfigIp[1] & ConfigMask[1])
116 
+      && (pIpPack->IpHdr.Src[2] & ConfigMask[2]) ==
117 
+      (ConfigIp[2] & ConfigMask[2])
118 
+      && (pIpPack->IpHdr.Src[3] & ConfigMask[3]) ==
119 
+      (ConfigIp[3] & ConfigMask[3])) {
120 
+    if ((pIpPack->IpHdr.Src[0] & ~ConfigMask[0]) == 0x00 &&     // local
121 
+                                                                // network
122 
+                                                                // address
123 
+        (pIpPack->IpHdr.Src[1] & ~ConfigMask[1]) == 0x00 &&
124 
+        (pIpPack->IpHdr.Src[2] & ~ConfigMask[2]) == 0x00 &&
125 
+        (pIpPack->IpHdr.Src[3] & ~ConfigMask[3]) == 0x00)
126 
+      return;
127 
+    if ((pIpPack->IpHdr.Src[0] & ~ConfigMask[0]) == 0xFF &&     // local
128 
+                                                                // broadcast
129 
+                                                                // address
130 
+        (pIpPack->IpHdr.Src[1] & ~ConfigMask[1]) == 0xFF &&
131 
+        (pIpPack->IpHdr.Src[2] & ~ConfigMask[2]) == 0xFF &&
132 
+        (pIpPack->IpHdr.Src[3] & ~ConfigMask[3]) == 0xFF)
133 
+      return;
134 
+  }
135 
+  // ignore packets sent from own IP address
136 
+  if (ip_eq(pIpPack->IpHdr.Src, ConfigIp))
137 
+    return;
138 
+
139 
+  // ignore fragmented packets
140 
+  // BUG: fragmentation must be supported according to RFC781
141 
+  // but there is no way of assembling packets with up to 64kB on a processor
142 
+  // with 4kB of RAM
143 
+  if ((ntohs(pIpPack->IpHdr.FragOfs) & 0xBFFF) != 0x0000)       // fragment
144 
+                                                                // offset 0,
145 
+                                                                // MoreFrags=0,
146 
+                                                                // DontFrag=x,
147 
+                                                                // reservedFlag=0
148 
+    return;
149 
+
150 
+  // check total length
151 
+  len = sizeof(struct EthernetHeader) + ntohs(pIpPack->IpHdr.TotalLen); // length
152 
+                                                                        // according
153 
+                                                                        // to
154 
+                                                                        // IP
155 
+                                                                        // header
156 
+  if (Length < len)     // packet is truncated
157 
+    return;
158 
+  Length = len; // remove ethernet padding from packet (maybe Length > len)
159 
+
160 
+  // test header checksum
161 
+  if (Checksum
162 
+      ((unsigned char *)&pIpPack->IpHdr, sizeof(struct IpHeader), 0x0000,
163 
+       0x0000) != 0)
164 
+    return;
165 
+
166 
+  debug_ip_printf("recv src=%u.%u.%u.%u protocol=%u len=%u",
167 
+                  pIpPack->IpHdr.Src[0], pIpPack->IpHdr.Src[1],
168 
+                  pIpPack->IpHdr.Src[2], pIpPack->IpHdr.Src[3],
169 
+                  pIpPack->IpHdr.Proto, Length);
170 
+
171 
+  // branch according to protocol
172 
+  switch (pIpPack->IpHdr.Proto) {
173 
+    // ICMP
174 
+  case 0x01:
175 
+    IcmpRecv(pData, Length);
176 
+    break;
177 
+    // TCP
178 
+  case 0x06:
179 
+    TcpRecv(pData, Length);
180 
+    break;
181 
+    // UDP
182 
+  case 0x11:
183 
+    UdpRecv(pData, Length);
184 
+    break;
185 
+  }
186 
+}
187 
+
188 
+// send an IP packet
189 
+// pData must point to a struct IpPacket with IpHdr.Proto and IpHdr.Dest
190 
+// already initialized
191 
+void IpSend(unsigned char *pData, unsigned short Length)        // (extern)
192 
+{
193 
+  struct IpPacket *pIpPack;
194 
+  unsigned int chk;
195 
+  unsigned char i;
196 
+
197 
+  // packet too short
198 
+  if (Length < sizeof(struct IpPacket))
199 
+    return;
200 
+
201 
+  // convert pointer to IP packet
202 
+  // (this saves us from always casting pData)
203 
+  pIpPack = (struct IpPacket *)pData;
204 
+
205 
+  debug_ip_printf("send dest=%u.%u.%u.%u protocol=%u len=%u",
206 
+                  pIpPack->IpHdr.Dest[0], pIpPack->IpHdr.Dest[1],
207 
+                  pIpPack->IpHdr.Dest[2], pIpPack->IpHdr.Dest[3],
208 
+                  pIpPack->IpHdr.Proto, Length);
209 
+
210 
+  // fill in header values
211 
+  pIpPack->IpHdr.Ver_HdrLen = 0x45;
212 
+  pIpPack->IpHdr.Tos = 0x00;
213 
+  pIpPack->IpHdr.TotalLen = htons(Length - sizeof(struct EthernetHeader));
214 
+  pIpPack->IpHdr.Id = 0x0000;
215 
+  pIpPack->IpHdr.FragOfs = 0x0000;
216 
+  pIpPack->IpHdr.Ttl = 0x40;
217 
+  pIpPack->IpHdr.HdrChk = 0x0000;
218 
+  ip_cpy(pIpPack->IpHdr.Src, ConfigIp);
219 
+
220 
+  // generate header checksum
221 
+  chk =
222 
+      Checksum((unsigned char *)&pIpPack->IpHdr, sizeof(struct IpHeader),
223 
+               0x0000, 0x0000);
224 
+  pIpPack->IpHdr.HdrChk = htons(chk);
225 
+
226 
+  // destination is in own subnet
227 
+  if ((pIpPack->IpHdr.Dest[0] & ConfigMask[0]) ==
228 
+      (ConfigIp[0] & ConfigMask[0])
229 
+      && (pIpPack->IpHdr.Dest[1] & ConfigMask[1]) ==
230 
+      (ConfigIp[1] & ConfigMask[1])
231 
+      && (pIpPack->IpHdr.Dest[2] & ConfigMask[2]) ==
232 
+      (ConfigIp[2] & ConfigMask[2])
233 
+      && (pIpPack->IpHdr.Dest[3] & ConfigMask[3]) ==
234 
+      (ConfigIp[3] & ConfigMask[3])) {
235 
+    // broadcast
236 
+    if ((pIpPack->IpHdr.Dest[0] | ConfigMask[0]) == 255 &&
237 
+        (pIpPack->IpHdr.Dest[1] | ConfigMask[1]) == 255 &&
238 
+        (pIpPack->IpHdr.Dest[2] | ConfigMask[2]) == 255 &&
239 
+        (pIpPack->IpHdr.Dest[3] | ConfigMask[3]) == 255) {
240 
+      mac_cpy(pIpPack->EthHdr.Dest, "\xFF\xFF\xFF\xFF\xFF\xFF");
241 
+      i = 0x00;
242 
+    }
243 
+    // unicast
244 
+    else {
245 
+      // lookup MAC address of destination
246 
+      i = ArpLookup(pIpPack->IpHdr.Dest, pIpPack->EthHdr.Dest);
247 
+    }
248 
+  }
249 
+  // destination is not in own subnet
250 
+  else {
251 
+    // broadcast
252 
+    if (pIpPack->IpHdr.Dest[0] == 255 &&
253 
+        pIpPack->IpHdr.Dest[1] == 255 &&
254 
+        pIpPack->IpHdr.Dest[2] == 255 && pIpPack->IpHdr.Dest[3] == 255) {
255 
+      mac_cpy(pIpPack->EthHdr.Dest, "\xFF\xFF\xFF\xFF\xFF\xFF");
256 
+      i = 0x00;
257 
+    }
258 
+    // unicast
259 
+    else {
260 
+      // lookup MAC address of default gateway
261 
+      i = ArpLookup(ConfigGw, pIpPack->EthHdr.Dest);
262 
+    }
263 
+  }
264 
+
265 
+  // MAC available
266 
+  if (i == 0x00) {
267 
+    // sent IP packet
268 
+    pIpPack->EthHdr.Type = htons(0x0800);       // ethernet packet type: IP
269 
+    EthernetSend(pData, Length);
270 
+    return;
271 
+  }
272 
+  // find a buffer to store the packet in
273 
+  for (i = 0; i < count(IpBufferTab); i++) {
274 
+    if (IpBufferTab[i].PacketLength == 0 &&     // buffer not in use
275 
+        Length < IpBufferTab[i].BufferLength)   // buffer long enough
276 
+    {
277 
+      // put packet into buffer
278 
+      memcpy(IpBufferTab[i].pBuffer, pData, Length);
279 
+      IpBufferTab[i].PacketLength = Length;
280 
+      IpBufferTab[i].Ticks = 0;
281 
+      debug_ip_printf("queued");
282 
+      break;
283 
+    }
284 
+  }
285 
+  // if no buffer was found, we cannnot do anything about it and must discard
286 
+  // the packet (i.e. do nothing here)
287 
+}
288 
+
289 
+// a MAC address was discovered
290 
+// called by ARP to notify IP
291 
+void IpGotMac(unsigned char Ip[4], unsigned char Mac[6])        // (extern)
292 
+{
293 
+  unsigned char i;
294 
+  struct IpPacket *pIpPack;
295 
+
296 
+  // search for buffered packets that can be sent now
297 
+  for (i = 0; i < count(IpBufferTab); i++) {
298 
+    if (IpBufferTab[i].PacketLength > 0)        // buffer in use
299 
+    {
300 
+      // convert pointer to IP packet
301 
+      pIpPack = (struct IpPacket *)IpBufferTab[i].pBuffer;
302 
+
303 
+      debug_ip_printf("send queued dest=%u.%u.%u.%u protocol=%u len=%u",
304 
+                      pIpPack->IpHdr.Dest[0], pIpPack->IpHdr.Dest[1],
305 
+                      pIpPack->IpHdr.Dest[2], pIpPack->IpHdr.Dest[3],
306 
+                      pIpPack->IpHdr.Proto, IpBufferTab[i].PacketLength);
307 
+
308 
+      // destination is in own subnet
309 
+      if ((pIpPack->IpHdr.Dest[0] & ConfigMask[0]) ==
310 
+          (ConfigIp[0] & ConfigMask[0])
311 
+          && (pIpPack->IpHdr.Dest[1] & ConfigMask[1]) ==
312 
+          (ConfigIp[1] & ConfigMask[1])
313 
+          && (pIpPack->IpHdr.Dest[2] & ConfigMask[2]) ==
314 
+          (ConfigIp[2] & ConfigMask[2])
315 
+          && (pIpPack->IpHdr.Dest[3] & ConfigMask[3]) ==
316 
+          (ConfigIp[3] & ConfigMask[3])) {
317 
+        // packet can be sent to destination
318 
+        if (ip_eq(pIpPack->IpHdr.Dest, Ip)) {
319 
+          // send IP packet
320 
+          pIpPack->EthHdr.Type = htons(0x0800); // ethernet packet type: IP
321 
+          mac_cpy(pIpPack->EthHdr.Dest, Mac);
322 
+          EthernetSend(IpBufferTab[i].pBuffer, IpBufferTab[i].PacketLength);
323 
+          // buffer is now free
324 
+          IpBufferTab[i].PacketLength = 0;
325 
+        }
326 
+      }
327 
+      // destination is not in own subnet
328 
+      else {
329 
+        // packet can be sent to gateway
330 
+        if (ip_eq(ConfigGw, Ip)) {
331 
+          // send IP packet
332 
+          pIpPack->EthHdr.Type = htons(0x0800); // ethernet packet type: IP
333 
+          mac_cpy(pIpPack->EthHdr.Dest, Mac);
334 
+          EthernetSend(IpBufferTab[i].pBuffer, IpBufferTab[i].PacketLength);
335 
+          // buffer is now free
336 
+          IpBufferTab[i].PacketLength = 0;
337 
+        }
338 
+      }
339 
+    }
340 
+  }     // for( i ...
341 
+}
firmware/ip.h
View file @ e8658d5
... ... 
@@ -0,0 +1,46 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#ifndef INC_ip
7 
+#define INC_ip
8 
+
9 
+#include "ethernet.h"
10 
+
11 
+// header of an IP packet
12 
+struct IpHeader {
13 
+  unsigned char Ver_HdrLen;
14 
+  unsigned char Tos;
15 
+  unsigned int TotalLen;
16 
+  unsigned int Id;
17 
+  unsigned int FragOfs;
18 
+  unsigned char Ttl;
19 
+  unsigned char Proto;
20 
+  unsigned int HdrChk;
21 
+  unsigned char Src[4];
22 
+  unsigned char Dest[4];
23 
+};
24 
+
25 
+// an IP packet
26 
+struct IpPacket {
27 
+  struct EthernetHeader EthHdr;
28 
+  struct IpHeader IpHdr;
29 
+};
30 
+
31 
+// tick procedure - call every 200ms
32 
+extern void IpTick200(void);
33 
+
34 
+// process a received IP packet
35 
+extern void IpRecv(unsigned char *pData, unsigned short Length);
36 
+
37 
+// send an IP packet
38 
+// pData must point to a struct IpPacket with IpHdr.Proto and IpHdr.Dest
39 
+// already initialized
40 
+extern void IpSend(unsigned char *pData, unsigned short Length);
41 
+
42 
+// a MAC address was discovered
43 
+// called by ARP to notify IP
44 
+extern void IpGotMac(unsigned char Ip[4], unsigned char Mac[6]);
45 
+
46 
+#endif // #ifdef INC_ip
firmware/macros.h
View file @ e8658d5
... ... 
@@ -0,0 +1,26 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#ifndef INC_macros
7 
+#define INC_macros
8 
+
9 
+// minimum and maximum
10 
+#define min( a, b ) ((a) < (b) ? (a) : (b))
11 
+#define max( a, b ) ((a) > (b) ? (a) : (b))
12 
+
13 
+// number of entries in an array
14 
+#define count( array ) (sizeof( (array) ) / sizeof( (array)[0] ))
15 
+
16 
+// waiting
17 
+#define nop( ) { __asm__ __volatile__ ("nop"::); }
18 
+
19 
+// bit manipulation
20 
+#define bit_set( var, bit ) ((var) |= (1 << (bit)))
21 
+#define bit_clear( var, bit ) ((var) &= ~(1 << (bit)))
22 
+#define bit_toggle( var, bit ) ((var) ^= (1 << (bit)))
23 
+#define is_bit_clear( var, bit ) (!(((var) >> (bit)) & 1))
24 
+#define is_bit_set( var, bit ) (((var) >> (bit)) & 1)
25 
+
26 
+#endif // #ifndef INC_macros
firmware/main.c
View file @ e8658d5
... ... 
@@ -0,0 +1,83 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#include <avr/interrupt.h>
7 
+#include <avr/wdt.h>
8 
+
9 
+#include "arp.h"
10 
+#include "bus.h"
11 
+#include "cf.h"
12 
+#include "debug.h"
13 
+#include "eeprom.h"
14 
+#include "http.h"
15 
+#include "random.h"
16 
+#include "rtl8019.h"
17 
+#include "status.h"
18 
+#include "tcp.h"
19 
+#include "timing.h"
20 
+#include "uart.h"
21 
+
22 
+// main code entry point
23 
+int main(void)
24 
+{
25 
+  wdt_reset();
26 
+#ifdef DEBUG
27 
+  wdt_disable();
28 
+#else
29 
+  wdt_enable(WDTO_60MS);
30 
+#endif
31 
+  wdt_reset();
32 
+
33 
+  // initialize uart to be able to use stdio
34 
+  UartInit();
35 
+
36 
+  debug_printf("");
37 
+  debug_printf("flaneth");
38 
+
39 
+  debug_init_printf("init");
40 
+
41 
+  // initialize low level modules
42 
+  BusInit();
43 
+
44 
+  // initialize middle level modules
45 
+  CfInit();
46 
+  RtlInit();
47 
+  StatusInit();
48 
+  TimingInit();
49 
+
50 
+  // initialize high level modules
51 
+  ArpInit();
52 
+  HttpInit();
53 
+  TcpInit();
54 
+
55 
+  // use entropy collected during initialization
56 
+  RandomTask();
57 
+
58 
+  debug_init_printf("config");
59 
+
60 
+  // get configuration from EEPROM
61 
+  EepromGetConfig();
62 
+
63 
+  // enable interrupts
64 
+  sei();
65 
+
66 
+  debug_init_printf("start");
67 
+
68 
+  // main loop
69 
+  while (1) {
70 
+    wdt_reset();
71 
+    CfTask();
72 
+    wdt_reset();
73 
+    EepromTask();
74 
+    wdt_reset();
75 
+    RandomTask();
76 
+    wdt_reset();
77 
+    //RtlTask();
78 
+    wdt_reset();
79 
+    TimingTask();
80 
+  }
81 
+
82 
+  return 0;
83 
+}
firmware/nethelp.h
View file @ e8658d5
... ... 
@@ -0,0 +1,35 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#ifndef INC_nethelp
7 
+#define INC_nethelp
8 
+
9 
+// byte order
10 
+#define ntohs( n ) ( ((unsigned short)(n) & 0xFF00) >> 8 | \
11 
+                     ((unsigned short)(n) & 0x00FF) << 8 )
12 
+#define htons( h ) ( ((unsigned short)(h) & 0xFF00) >> 8 | \
13 
+                     ((unsigned short)(h) & 0x00FF) << 8 )
14 
+#define ntohl( n ) ( ((unsigned long)(n) & 0xFF000000) >> 24 | \
15 
+                     ((unsigned long)(n) & 0x00FF0000) >> 8 | \
16 
+                     ((unsigned long)(n) & 0x0000FF00) << 8 | \
17 
+                     ((unsigned long)(n) & 0x000000FF) << 24 )
18 
+#define htonl( h ) ( ((unsigned long)(h) & 0xFF000000) >> 24 | \
19 
+                     ((unsigned long)(h) & 0x00FF0000) >> 8 | \
20 
+                     ((unsigned long)(h) & 0x0000FF00) << 8 | \
21 
+                     ((unsigned long)(h) & 0x000000FF) << 24 )
22 
+
23 
+// comparing MACs and IPs
24 
+#define mac_eq( a, b ) ( (a)[0] == (b)[0] && (a)[1] == (b)[1] && (a)[2] == (b)[2] && \
25 
+                         (a)[3] == (b)[3] && (a)[4] == (b)[4] && (a)[5] == (b)[5] )
26 
+#define ip_eq( a, b ) ( (a)[0] == (b)[0] && (a)[1] == (b)[1] && \
27 
+                        (a)[2] == (b)[2] && (a)[3] == (b)[3] )
28 
+
29 
+// copying MACs and IPs
30 
+#define mac_cpy( dest, src ) ( (dest)[0] = (src)[0], (dest)[1] = (src)[1], (dest)[2] = (src)[2], \
31 
+                               (dest)[3] = (src)[3], (dest)[4] = (src)[4], (dest)[5] = (src)[5] )
32 
+#define ip_cpy( dest, src ) ( (dest)[0] = (src)[0], (dest)[1] = (src)[1], \
33 
+                              (dest)[2] = (src)[2], (dest)[3] = (src)[3] )
34 
+
35 
+#endif // #ifndef INC_nethelp
firmware/random.c
View file @ e8658d5
... ... 
@@ -0,0 +1,75 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#include <stdlib.h>
7 
+
8 
+#include "random.h"
9 
+
10 
+// number of complete bytes a call to random( ) returns
11 
+#if RANDOM_MAX < 0xFF
12 
+#error random number generator is not able to return a random byte
13 
+#elif RANDOM_MAX < 0xFFFF
14 
+#define RANDOM_BYTES 1
15 
+#elif RANDOM_MAX < 0xFFFFFF
16 
+#define RANDOM_BYTES 2
17 
+#elif RANDOM_MAX < 0xFFFFFFFF
18 
+#define RANDOM_BYTES 3
19 
+#else
20 
+#define RANDOM_BYTES 4
21 
+#endif
22 
+
23 
+// entropy collected so far
24 
+unsigned long RandomEntropy = 0;        // the entropy itself
25 
+unsigned char RandomEntropyCnt  // number of times entropy was collected so
26 
+                                // far
27 
+    = sizeof(unsigned long) * 8 - 5;    // (use first entropy (few is better
28 
+                                        // than none))
29 
+
30 
+// provide some entropy
31 
+void RandomProvideEntropy(unsigned char Entropy)        // (extern)
32 
+{
33 
+  // collect entropy
34 
+  RandomEntropy = RandomEntropy << 1 ^ (unsigned int)Entropy;
35 
+  RandomEntropyCnt++;
36 
+}
37 
+
38 
+// task function to do the work - call from main loop
39 
+void RandomTask(void)   // (extern)
40 
+{
41 
+  // enough entropy was collected
42 
+  if (RandomEntropyCnt >= sizeof(unsigned long) * 8)    // one time entropy
43 
+                                                        // for every bit of
44 
+                                                        // RandomEntropy
45 
+  {
46 
+    RandomEntropyCnt = 0;
47 
+    // re-seed random number generator
48 
+    srandom(RandomEntropy);
49 
+  }
50 
+}
51 
+
52 
+// get random data
53 
+void RandomGetData(unsigned char *pData, unsigned char Length)  // (extern)
54 
+{
55 
+  unsigned long r;
56 
+  unsigned char i;
57 
+
58 
+  // return random data
59 
+  for (; Length >= RANDOM_BYTES; Length -= RANDOM_BYTES) {
60 
+    r = random();
61 
+    for (i = 0; i < RANDOM_BYTES; i++) {
62 
+      *pData = (unsigned char)r;
63 
+      pData++;
64 
+      r >>= 8;
65 
+    }
66 
+  }
67 
+  if (Length > 0) {
68 
+    r = random();
69 
+    for (i = 0; i < Length; i++) {
70 
+      *pData = (unsigned char)r;
71 
+      pData++;
72 
+      r >>= 8;
73 
+    }
74 
+  }
75 
+}
firmware/random.h
View file @ e8658d5
... ... 
@@ -0,0 +1,18 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#ifndef INC_random
7 
+#define INC_random
8 
+
9 
+// provide some entropy
10 
+extern void RandomProvideEntropy(unsigned char Entropy);
11 
+
12 
+// task function to do the work - call from main loop
13 
+extern void RandomTask(void);
14 
+
15 
+// get random data
16 
+extern void RandomGetData(unsigned char *pData, unsigned char Length);
17 
+
18 
+#endif // #ifndef INC_random
firmware/rtl8019.c
View file @ e8658d5
... ... 
@@ -0,0 +1,566 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#include <avr/io.h>
7 
+
8 
+#include "bus.h"
9 
+#include "config.h"
10 
+#include "debug.h"
11 
+#include "ethernet.h"
12 
+#include "macros.h"
13 
+#include "random.h"
14 
+#include "rtl8019.h"
15 
+#include "timing.h"
16 
+
17 
+// maximum receive unit
18 
+#define RTL_MRU (640)
19 
+
20 
+// reinitialization timeout
21 
+// - if no reception is detected for this time, the RTL8019 is reinitialized
22 
+#define RtlReinitTimeoutTicks (50)      // in 200ms steps
23 
+
24 
+// IO pins of RTL8019
25 
+#define RTL_DDR_INT (DDRE)
26 
+#define RTL_PORT_INT (PORTE)
27 
+#define RTL_BIT_INT (5)
28 
+#define RTL_DDR_nAEN (DDRE)
29 
+#define RTL_PORT_nAEN (PORTE)
30 
+#define RTL_BIT_nAEN (4)
31 
+#define RTL_DDR_RST (DDRE)
32 
+#define RTL_PORT_RST (PORTE)
33 
+#define RTL_BIT_RST (3)
34 
+// special pin commands
35 
+#define RTL_AEN_ACT( ) (bit_clear( RTL_PORT_nAEN, RTL_BIT_nAEN ))
36 
+#define RTL_AEN_IDLE( ) (bit_set( RTL_PORT_nAEN, RTL_BIT_nAEN ))
37 
+#define RTL_RESET_ACT( ) (bit_set( RTL_PORT_RST, RTL_BIT_RST ))
38 
+#define RTL_RESET_IDLE( ) (bit_clear( RTL_PORT_RST, RTL_BIT_RST ))
39 
+
40 
+// IO pins of RTL8019 EEPROM interface
41 
+#define RTL_DDR_EECS (DDRD)
42 
+#define RTL_PORT_EECS (PORTD)
43 
+#define RTL_PIN_EECS (PIND)
44 
+#define RTL_BIT_EECS (7)
45 
+#define RTL_DDR_EESK (DDRD)
46 
+#define RTL_PORT_EESK (PORTD)
47 
+#define RTL_PIN_EESK (PIND)
48 
+#define RTL_BIT_EESK (4)
49 
+#define RTL_DDR_EEDI (DDRD)
50 
+#define RTL_PORT_EEDI (PORTD)
51 
+#define RTL_PIN_EEDI (PIND)
52 
+#define RTL_BIT_EEDI (5)
53 
+#define RTL_DDR_EEDO (DDRD)
54 
+#define RTL_PORT_EEDO (PORTD)
55 
+#define RTL_BIT_EEDO (6)
56 
+
57 
+// RTL8019 registers
58 
+#define RTL_REG_CR (0x00)
59 
+#define RTL_REG_PSTART (0x01)
60 
+#define RTL_REG_PAR0 (0x01)
61 
+#define RTL_REG_PSTOP (0x02)
62 
+#define RTL_REG_BNRY (0x03)
63 
+#define RTL_REG_TPSR (0x04)
64 
+#define RTL_REG_TBCR0 (0x05)
65 
+#define RTL_REG_TBCR1 (0x06)
66 
+#define RTL_REG_ISR (0x07)
67 
+#define RTL_REG_CURR (0x07)
68 
+#define RTL_REG_RSAR0 (0x08)
69 
+#define RTL_REG_CRDA0 (0x08)
70 
+#define RTL_REG_RSAR1 (0x09)
71 
+#define RTL_REG_CRDAl (0x09)
72 
+#define RTL_REG_RBCR0 (0x0A)
73 
+#define RTL_REG_ID0 (0x0A)
74 
+#define RTL_REG_ID1 (0x0B)
75 
+#define RTL_REG_RBCR1 (0x0B)
76 
+#define RTL_REG_RSR (0x0C)
77 
+#define RTL_REG_RCR (0x0C)
78 
+#define RTL_REG_TCR (0x0D)
79 
+#define RTL_REG_CNTR0 (0x0D)
80 
+#define RTL_REG_DCR (0x0E)
81 
+#define RTL_REG_CNTR1 (0x0E)
82 
+#define RTL_REG_IMR (0x0F)
83 
+#define RTL_REG_CNTR2 (0x0F)
84 
+#define RTL_REG_RDMAPORT (0x10)
85 
+#define RTL_REG_RSTPORT (0x18)
86 
+
87 
+// RTL8019AS CR register bits
88 
+#define RTL_CR_STP (0)
89 
+#define RTL_CR_STA (1)
90 
+#define RTL_CR_TXP (2)
91 
+#define RTL_CR_RD0 (3)
92 
+#define RTL_CR_RD1 (4)
93 
+#define RTL_CR_RD2 (5)
94 
+#define RTL_CR_PS0 (6)
95 
+#define RTL_CR_PS1 (7)
96 
+
97 
+// RTL8019 ISR register bits
98 
+#define RTL_ISR_PRX (0)
99 
+#define RTL_ISR_PTX (1)
100 
+#define RTL_ISR_RXE (2)
101 
+#define RTL_ISR_TXE (3)
102 
+#define RTL_ISR_OVW (4)
103 
+#define RTL_ISR_CNT (5)
104 
+#define RTL_ISR_RDC (6)
105 
+#define RTL_ISR_RST (7)
106 
+
107 
+// RTL8019 (initial) register values
108 
+#define RTL_VAL_RCR (0x04)
109 
+#define RTL_VAL_TCR (0x00)
110 
+#define RTL_VAL_DCR (0x58)
111 
+#define RTL_VAL_IMR (0x00)
112 
+#define RTL_VAL_TXSTART (0x40)
113 
+#define RTL_VAL_RXSTART (0x46)
114 
+#define RTL_VAL_RXSTOP (0x60)
115 
+
116 
+// write a RTL8019 register
117 
+extern inline void RtlWriteReg(unsigned char reg, unsigned char val)    // force
118 
+                                                                        // inlining
119 
+                                                                        // by
120 
+                                                                        // using
121 
+                                                                        // "extern"
122 
+{
123 
+  BUS_DATA = val;       // output value
124 
+  BUS_DATA_DDR = 0xFF;  // data port to output
125 
+  BUS_ADDR = reg;       // output address
126 
+  RTL_AEN_ACT();        // set address enable
127 
+  BUS_WRITE_ACT();      // activate write signal
128 
+  nop();
129 
+  nop();
130 
+  BUS_WRITE_IDLE();     // take back write signal
131 
+  RTL_AEN_IDLE();       // take back address enable
132 
+  BUS_DATA_DDR = 0x00;  // data back port to input
133 
+  BUS_DATA = 0x00;      // turn off pullups
134 
+}
135 
+
136 
+// write buffer to RTL8019 register
137 
+extern inline void RtlWriteRegBuf(unsigned char reg, unsigned char *p_buf, unsigned short len)  // force
138 
+                                                                                                // inlining
139 
+                                                                                                // by
140 
+                                                                                                // using
141 
+                                                                                                // "extern"
142 
+{
143 
+  BUS_DATA = *p_buf;    // output first value to initialize port status
144 
+                        // before switching to output
145 
+  BUS_DATA_DDR = 0xFF;  // data port to output
146 
+  BUS_ADDR = reg;       // output address
147 
+  RTL_AEN_ACT();        // set address enable
148 
+  for (; len > 0; p_buf++, len--) {
149 
+    BUS_DATA = *p_buf;  // output value
150 
+    BUS_WRITE_ACT();    // activate write signal
151 
+    nop();
152 
+    nop();
153 
+    BUS_WRITE_IDLE();   // take back write signal
154 
+  }
155 
+  RTL_AEN_IDLE();       // take back address enable
156 
+  BUS_DATA_DDR = 0x00;  // data back port to input
157 
+  BUS_DATA = 0x00;      // turn off pullups
158 
+}
159 
+
160 
+// write constant to RTL8019 register multiple times
161 
+extern inline void RtlWriteRegConst(unsigned char reg, unsigned char val, unsigned short cnt)   // force
162 
+                                                                                                // inlining
163 
+                                                                                                // by
164 
+                                                                                                // using
165 
+                                                                                                // "extern"
166 
+{
167 
+  BUS_DATA = val;       // output value
168 
+  BUS_DATA_DDR = 0xFF;  // data port to output
169 
+  BUS_ADDR = reg;       // output address
170 
+  RTL_AEN_ACT();        // set address enable
171 
+  for (; cnt > 0; cnt--) {
172 
+    BUS_WRITE_ACT();    // activate write signal
173 
+    nop();
174 
+    nop();
175 
+    BUS_WRITE_IDLE();   // take back write signal
176 
+  }
177 
+  RTL_AEN_IDLE();       // take back address enable
178 
+  BUS_DATA_DDR = 0x00;  // data back port to input
179 
+  BUS_DATA = 0x00;      // turn off pullups
180 
+}
181 
+
182 
+// read a RTL8019 register
183 
+extern inline void RtlReadReg(unsigned char reg, unsigned char *p_var)  // force
184 
+                                                                        // inlining
185 
+                                                                        // by
186 
+                                                                        // using
187 
+                                                                        // "extern"
188 
+{
189 
+  BUS_ADDR = reg;       // output address
190 
+  RTL_AEN_ACT();        // set address enable
191 
+  BUS_READ_ACT();       // activate read signal
192 
+  nop();
193 
+  nop();
194 
+  *p_var = BUS_DATA_IN; // read data
195 
+  BUS_READ_IDLE();      // take back read signal
196 
+  RTL_AEN_IDLE();       // take back address enable
197 
+}
198 
+
199 
+// read buffer from RTL8019 register
200 
+extern inline void RtlReadRegBuf(unsigned char reg, unsigned char *p_buf, unsigned short len)   // force
201 
+                                                                                                // inlining
202 
+                                                                                                // by
203 
+                                                                                                // using
204 
+                                                                                                // "extern"
205 
+{
206 
+  BUS_ADDR = reg;       // output address
207 
+  RTL_AEN_ACT();        // set address enable
208 
+  for (; len > 0; p_buf++, len--) {
209 
+    BUS_READ_ACT();     // activate read signal
210 
+    nop();
211 
+    nop();
212 
+    *p_buf = BUS_DATA_IN;       // read data
213 
+    BUS_READ_IDLE();    // take back read signal
214 
+  }
215 
+  RTL_AEN_IDLE();       // take back address enable
216 
+}
217 
+
218 
+// read a RTL8019 register multiple times and throw away data
219 
+extern inline void RtlReadRegMulti(unsigned char reg, unsigned short cnt)       // force
220 
+                                                                                // inlining
221 
+                                                                                // by
222 
+                                                                                // using
223 
+                                                                                // "extern"
224 
+{
225 
+  BUS_ADDR = reg;       // output address
226 
+  RTL_AEN_ACT();        // set address enable
227 
+  for (; cnt > 0; cnt--) {
228 
+    BUS_READ_ACT();     // activate read signal
229 
+    nop();
230 
+    nop();
231 
+    BUS_READ_IDLE();    // take back read signal
232 
+  }
233 
+  RTL_AEN_IDLE();       // take back address enable
234 
+}
235 
+
236 
+// reinitialization timeout counter
237 
+unsigned char RtlReinitTimeout = 0;
238 
+
239 
+// emulate eeprom containing RTL8019AS configuration
240 
+static void RtlEmulateEeprom(void)
241 
+{
242 
+  static const unsigned char timeout = 150;
243 
+
244 
+  unsigned int addr, data, entropy;
245 
+  unsigned char t, i;
246 
+
247 
+  while (1) {
248 
+    entropy = 0;
249 
+
250 
+    // wait for CS HIGH
251 
+    for (t = 0; bit_is_clear(RTL_PIN_EECS, RTL_BIT_EECS); t++)
252 
+      if (t >= timeout)
253 
+        return;
254 
+    entropy += t;
255 
+
256 
+    // ignore one clock
257 
+    // wait for clock HIGH
258 
+    for (t = 0; bit_is_clear(RTL_PIN_EESK, RTL_BIT_EESK); t++)
259 
+      if (t >= timeout)
260 
+        return;
261 
+    entropy += t;
262 
+    // wait for clock LOW
263 
+    for (t = 0; bit_is_set(RTL_PIN_EESK, RTL_BIT_EESK); t++)
264 
+      if (t >= timeout)
265 
+        return;
266 
+    entropy += t;
267 
+
268 
+    // shift in address
269 
+    addr = 0;
270 
+    for (i = 0; i < 9; i++) {
271 
+      // wait for clock HIGH
272 
+      for (t = 0; bit_is_clear(RTL_PIN_EESK, RTL_BIT_EESK); t++)
273 
+        if (t >= timeout)
274 
+          return;
275 
+      entropy += t;
276 
+      // read next bit
277 
+      addr <<= 1;
278 
+      if (bit_is_set(RTL_PIN_EEDI, RTL_BIT_EEDI))
279 
+        addr |= 0x01;
280 
+      // wait for clock LOW
281 
+      for (t = 0; bit_is_set(RTL_PIN_EESK, RTL_BIT_EESK); t++)
282 
+        if (t >= timeout)
283 
+          return;
284 
+      entropy += t;
285 
+    }
286 
+
287 
+    // get data
288 
+    switch (addr) {
289 
+      // CONFIG 3 = FUDUP,LEDS0; CONFIG 4 = -
290 
+    case 0x181:
291 
+      data = 0x0050;
292 
+      break;
293 
+      // output zero by default (as if no EEPROM is connected)
294 
+    default:
295 
+      data = 0x0000;
296 
+      break;
297 
+    }
298 
+
299 
+    // shift out data
300 
+    for (i = 0; i < 16; i++) {
301 
+      // wait for clock HIGH
302 
+      for (t = 0; bit_is_clear(RTL_PIN_EESK, RTL_BIT_EESK); t++)
303 
+        if (t >= timeout)
304 
+          return;
305 
+      entropy += t;
306 
+      // write next bit
307 
+      if (data & 0x8000)
308 
+        bit_set(RTL_PORT_EEDO, RTL_BIT_EEDO);
309 
+      else
310 
+        bit_clear(RTL_PORT_EEDO, RTL_BIT_EEDO);
311 
+      data <<= 1;
312 
+      // wait for clock LOW
313 
+      for (t = 0; bit_is_set(RTL_PIN_EESK, RTL_BIT_EESK); t++)
314 
+        if (t >= timeout)
315 
+          return;
316 
+      entropy += t;
317 
+    }
318 
+
319 
+    // wait for CS LOW
320 
+    for (t = 0; bit_is_set(RTL_PIN_EECS, RTL_BIT_EECS); t++)
321 
+      if (t >= timeout)
322 
+        return;
323 
+    entropy += t;
324 
+
325 
+    // pass on entropy to randomness generator
326 
+    RandomProvideEntropy((unsigned char)entropy);
327 
+
328 
+  }     // while( 1 )
329 
+}
330 
+
331 
+// initialize
332 
+void RtlInit(void)      // (extern)
333 
+{
334 
+  unsigned char i;
335 
+  unsigned short j;
336 
+
337 
+  // setup ports
338 
+  bit_clear(RTL_PORT_INT, RTL_BIT_INT); // pull-up of interrupt pin off
339 
+  bit_clear(RTL_DDR_INT, RTL_BIT_INT);  // interrupt pin to input
340 
+  bit_set(RTL_PORT_nAEN, RTL_BIT_nAEN); // address enable pin to HIGH
341 
+  bit_set(RTL_DDR_nAEN, RTL_BIT_nAEN);  // address enable pin to output
342 
+  bit_set(RTL_PORT_RST, RTL_BIT_RST);   // reset pin to HIGH
343 
+  bit_set(RTL_DDR_RST, RTL_BIT_RST);    // reset pin to output
344 
+
345 
+  // configuration of EEPROM emulation
346 
+  bit_clear(RTL_PORT_EECS, RTL_BIT_EECS);       // EECS := input, no pull-up
347 
+  bit_clear(RTL_DDR_EECS, RTL_BIT_EECS);
348 
+  bit_clear(RTL_PORT_EESK, RTL_BIT_EESK);       // EESK := input, no pull-up
349 
+  bit_clear(RTL_DDR_EESK, RTL_BIT_EESK);
350 
+  bit_clear(RTL_PORT_EEDI, RTL_BIT_EEDI);       // EEDI := input, no pull-up
351 
+  bit_clear(RTL_DDR_EEDI, RTL_BIT_EEDI);
352 
+  bit_clear(RTL_PORT_EEDO, RTL_BIT_EEDO);       // EEDO := output, LOW
353 
+  bit_set(RTL_DDR_EEDO, RTL_BIT_EEDO);
354 
+
355 
+  // take back reset
356 
+  for (i = 0; i < 10; i++)
357 
+    nop();
358 
+  RTL_RESET_IDLE();
359 
+  RtlEmulateEeprom();
360 
+  for (j = 0; j < 5000; j++)
361 
+    nop();
362 
+
363 
+  // clear software reset
364 
+  RtlReadReg(RTL_REG_RSTPORT, &i);
365 
+  RtlWriteReg(RTL_REG_RSTPORT, 0xFF);
366 
+  for (i = 0; i < 100; i++)
367 
+    nop();
368 
+
369 
+  // do the same as in reinitialization
370 
+  RtlReinit();
371 
+}
372 
+
373 
+// re-initialize RT8019 (i.e. if MAC changed)
374 
+void RtlReinit(void)    // (extern)
375 
+{
376 
+  unsigned char i, j;
377 
+
378 
+  // stop RTL8019
379 
+  RtlWriteReg(RTL_REG_CR, 1 << RTL_CR_STP | 1 << RTL_CR_RD2);
380 
+  for (i = 0; i < 100; i++)
381 
+    nop();
382 
+
383 
+  // output RTL8019 ID
384 
+  RtlReadReg(RTL_REG_ID0, &i);
385 
+  RtlReadReg(RTL_REG_ID1, &j);
386 
+  debug_rtl8019_printf("RTL8019AS (re)init ID=0x%02X,0x%02X", i, j);
387 
+
388 
+  // set up RTL8019
389 
+  RtlWriteReg(RTL_REG_DCR, RTL_VAL_DCR);
390 
+  RtlWriteReg(RTL_REG_RBCR0, 0x00);
391 
+  RtlWriteReg(RTL_REG_RBCR1, 0x00);
392 
+  RtlWriteReg(RTL_REG_RCR, 0x04);
393 
+  RtlWriteReg(RTL_REG_TPSR, RTL_VAL_RXSTART);
394 
+  RtlWriteReg(RTL_REG_TCR, 0x02);
395 
+  RtlWriteReg(RTL_REG_PSTART, RTL_VAL_RXSTART);
396 
+  RtlWriteReg(RTL_REG_BNRY, RTL_VAL_RXSTART);
397 
+  RtlWriteReg(RTL_REG_PSTOP, RTL_VAL_RXSTOP);
398 
+  RtlWriteReg(RTL_REG_CR,
399 
+              1 << RTL_CR_STP | 1 << RTL_CR_RD2 | 1 << RTL_CR_PS0);
400 
+  for (i = 0; i < 100; i++)
401 
+    nop();
402 
+
403 
+  // write MAC to chip
404 
+  RtlWriteReg(RTL_REG_CURR, RTL_VAL_RXSTART);
405 
+  for (i = 0; i < 6; i++)
406 
+    RtlWriteReg(RTL_REG_PAR0 + i, ConfigMac[i]);
407 
+
408 
+  // go on with intializing
409 
+  RtlWriteReg(RTL_REG_CR, 1 << RTL_CR_STP | 1 << RTL_CR_RD2);
410 
+  RtlWriteReg(RTL_REG_DCR, RTL_VAL_DCR);
411 
+  RtlWriteReg(RTL_REG_CR, 1 << RTL_CR_STA | 1 << RTL_CR_RD2);
412 
+  RtlWriteReg(RTL_REG_ISR, 1 << RTL_ISR_PRX | 1 << RTL_ISR_PTX |
413 
+              1 << RTL_ISR_RXE | 1 << RTL_ISR_TXE |
414 
+              1 << RTL_ISR_OVW | 1 << RTL_ISR_CNT |
415 
+              1 << RTL_ISR_RDC | 1 << RTL_ISR_RST);
416 
+  RtlWriteReg(RTL_REG_IMR, RTL_VAL_IMR);
417 
+  RtlWriteReg(RTL_REG_TCR, RTL_VAL_TCR);
418 
+
419 
+  // start RTL8019
420 
+  RtlWriteReg(RTL_REG_CR, 1 << RTL_CR_STA | 1 << RTL_CR_RD2);
421 
+
422 
+  // clear reinitialization timeout
423 
+  RtlReinitTimeout = 0;
424 
+}
425 
+
426 
+// tick procedure - call every 200ms
427 
+void RtlTick200(void)   // (extern)
428 
+{
429 
+  // increment reinitialization timeout counter
430 
+  RtlReinitTimeout++;
431 
+
432 
+  // reinitialization timeout
433 
+  if (RtlReinitTimeout >= RtlReinitTimeoutTicks)
434 
+    // reinitialize RTL8019 (resets reinitialization timeout)
435 
+    RtlReinit();
436 
+}
437 
+
438 
+// fetch and process a received packet
439 
+static inline void RtlRecv(void)
440 
+{
441 
+  unsigned short PacketLen;
442 
+  unsigned char Packet[RTL_MRU];
443 
+
444 
+  // fetch packet from RTL8019
445 
+  PacketLen = count(Packet);
446 
+  RtlReadFrame((unsigned char *)Packet, &PacketLen);
447 
+
448 
+  // pass packet on to ethernet
449 
+  EthernetRecv(Packet, PacketLen);
450 
+}
451 
+
452 
+// task function to do the work - call from main loop
453 
+void RtlTask(void)      // (extern)
454 
+{
455 
+  unsigned char isr, bnry, curr;
456 
+
457 
+  // read interrupt register
458 
+  RtlWriteReg(RTL_REG_CR, 1 << RTL_CR_STA | 1 << RTL_CR_RD2);
459 
+  RtlReadReg(RTL_REG_ISR, &isr);
460 
+  // a packet was received
461 
+  if (isr & 1 << RTL_ISR_PRX)
462 
+    // use current timestamp for generating some entropy
463 
+    TimingEntropy();
464 
+
465 
+  // check if receive ring buffer is not empty
466 
+  RtlReadReg(RTL_REG_BNRY, &bnry);
467 
+  RtlWriteReg(RTL_REG_CR,
468 
+              1 << RTL_CR_STA | 1 << RTL_CR_RD2 | 1 << RTL_CR_PS0);
469 
+  RtlReadReg(RTL_REG_CURR, &curr);
470 
+  RtlWriteReg(RTL_REG_CR, 1 << RTL_CR_STA | 1 << RTL_CR_RD2);
471 
+  if (bnry != curr)
472 
+    // fetch and process a single received packet
473 
+    RtlRecv();
474 
+
475 
+  // reset interrupt bits of RTL8019
476 
+  RtlWriteReg(RTL_REG_ISR, 1 << RTL_ISR_PRX | 1 << RTL_ISR_PTX |
477 
+              1 << RTL_ISR_RXE | 1 << RTL_ISR_TXE |
478 
+              1 << RTL_ISR_OVW | 1 << RTL_ISR_CNT |
479 
+              1 << RTL_ISR_RDC | 1 << RTL_ISR_RST);
480 
+
481 
+  // put RTL8019 in default state (default page selected, ...)
482 
+  RtlWriteReg(RTL_REG_CR, 1 << RTL_CR_STA | 1 << RTL_CR_RD2);
483 
+
484 
+  // clear reinitialization timeout
485 
+  RtlReinitTimeout = 0;
486 
+}
487 
+
488 
+// write an ethernet frame to the RTL8019
489 
+void RtlWriteFrame(unsigned char *pData, unsigned short Length) // (extern)
490 
+{
491 
+  unsigned char val;
492 
+
493 
+  debug_rtl8019_printf("send len=%u", Length);
494 
+
495 
+  // initialize RTL8019 to transmit
496 
+  RtlWriteReg(RTL_REG_CR, 1 << RTL_CR_STA | 1 << RTL_CR_RD2);
497 
+  RtlWriteReg(RTL_REG_TPSR, RTL_VAL_TXSTART);
498 
+  RtlWriteReg(RTL_REG_RSAR0, 0x00);
499 
+  RtlWriteReg(RTL_REG_RSAR1, RTL_VAL_TXSTART);
500 
+  RtlWriteReg(RTL_REG_ISR, 1 << RTL_ISR_PRX | 1 << RTL_ISR_PTX |
501 
+              1 << RTL_ISR_RXE | 1 << RTL_ISR_TXE |
502 
+              1 << RTL_ISR_OVW | 1 << RTL_ISR_CNT |
503 
+              1 << RTL_ISR_RDC | 1 << RTL_ISR_RST);
504 
+  if (Length < 0x3C)    // minimal length is 60 bytes
505 
+  {
506 
+    RtlWriteReg(RTL_REG_RBCR0, 0x3C);
507 
+    RtlWriteReg(RTL_REG_RBCR1, 0x00);
508 
+  } else {
509 
+    RtlWriteReg(RTL_REG_RBCR0, (unsigned char)Length);
510 
+    RtlWriteReg(RTL_REG_RBCR1, (unsigned char)(Length >> 8));
511 
+  }
512 
+  RtlWriteReg(RTL_REG_CR, 1 << RTL_CR_STA | 1 << RTL_CR_RD1);
513 
+
514 
+  // write data to RTL8019
515 
+  RtlWriteRegBuf(RTL_REG_RDMAPORT, pData, Length);
516 
+  if (Length < 0x3C)    // padding
517 
+    RtlWriteRegConst(RTL_REG_RDMAPORT, 0x00, 0x3C - Length);
518 
+
519 
+  // wait for RTL8019
520 
+  do {
521 
+    RtlReadReg(RTL_REG_ISR, &val);
522 
+  }
523 
+  while ((val & 1 << RTL_ISR_RDC) == 0x00);
524 
+
525 
+  // start transmission
526 
+  if (Length < 0x3C)    // minimal length is 60 bytes
527 
+  {
528 
+    RtlWriteReg(RTL_REG_TBCR0, 0x3C);
529 
+    RtlWriteReg(RTL_REG_TBCR1, 0x00);
530 
+  } else {
531 
+    RtlWriteReg(RTL_REG_TBCR0, (unsigned char)Length);
532 
+    RtlWriteReg(RTL_REG_TBCR1, (unsigned char)(Length >> 8));
533 
+  }
534 
+  RtlWriteReg(RTL_REG_CR, 1 << RTL_CR_TXP | 1 << RTL_CR_RD2);
535 
+}
536 
+
537 
+// read an ethernet frame from the RTL8019
538 
+// *pLength must be initialized to the buffer size
539 
+void RtlReadFrame(unsigned char *pData, unsigned short *pLength)        // (extern)
540 
+{
541 
+  unsigned char tmp1, tmp2;
542 
+  unsigned short read_len, len, cnt;
543 
+
544 
+  // get size of received packet
545 
+  RtlWriteReg(RTL_REG_CR,
546 
+              1 << RTL_CR_STA | 1 << RTL_CR_RD0 | 1 << RTL_CR_RD1);
547 
+  RtlReadReg(RTL_REG_RDMAPORT, &tmp1);
548 
+  RtlReadReg(RTL_REG_RDMAPORT, &tmp1);
549 
+  RtlReadReg(RTL_REG_RDMAPORT, &tmp1);
550 
+  RtlReadReg(RTL_REG_RDMAPORT, &tmp2);
551 
+  read_len = ((unsigned short)tmp2 << 8 | (unsigned short)tmp1);
552 
+
553 
+  // subtract length of CRC (4 bytes)
554 
+  len = read_len < 4 ? 0 : read_len - 4;
555 
+
556 
+  debug_rtl8019_printf("recv len=%u", len);
557 
+
558 
+  // read as much data as possible into buffer
559 
+  cnt = min(len, *pLength);
560 
+  RtlReadRegBuf(RTL_REG_RDMAPORT, pData, cnt);
561 
+  *pLength = cnt;
562 
+
563 
+  // get rest of data (rest of real data that did not fit into buffer, CRC)
564 
+  if (read_len > cnt)
565 
+    RtlReadRegMulti(RTL_REG_RDMAPORT, read_len - cnt);
566 
+}
firmware/rtl8019.h
View file @ e8658d5
... ... 
@@ -0,0 +1,28 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#ifndef INC_rtl8019
7 
+#define INC_rtl8019
8 
+
9 
+// initialize
10 
+extern void RtlInit(void);
11 
+
12 
+// re-initialize RT8019 (i.e. if MAC changed)
13 
+extern void RtlReinit(void);
14 
+
15 
+// tick procedure - call every 200ms
16 
+extern void RtlTick200(void);
17 
+
18 
+// task function to do the work - call from main loop
19 
+extern void RtlTask(void);
20 
+
21 
+// write an ethernet frame to the RTL8019
22 
+extern void RtlWriteFrame(unsigned char *pData, unsigned short Length);
23 
+
24 
+// read an ethernet frame from the RTL8019
25 
+// *pLength must be initialized to the buffer size
26 
+extern void RtlReadFrame(unsigned char *pData, unsigned short *pLength);
27 
+
28 
+#endif // #ifndef INC_rtl8019
firmware/ser62500.c
View file @ e8658d5
... ... 
@@ -0,0 +1,15 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#include <avr/io.h>
7 
+#include "ser62500.h"
8 
+
9 
+// send data (in network byte order) with 62500 baud in 9N2 protocol
10 
+void Ser62500Send9N2(unsigned char *pData, unsigned short Length)       // (extern)
11 
+{
12 
+  unsigned short i;
13 
+  for (i = 0; i + 1 < Length; i += 2)
14 
+    Ser62500Out9N2(pData[i] << 8 | pData[i + 1]);
15 
+}
firmware/ser62500.h
View file @ e8658d5
... ... 
@@ -0,0 +1,15 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#ifndef INC_ser62500
7 
+#define INC_ser62500
8 
+
9 
+// send data (in network byte order) with 62500 baud in 9N2 protocol
10 
+extern void Ser62500Send9N2(unsigned char *pData, unsigned short Length);
11 
+
12 
+// output a data item with 62500 baud in 9N2 protocol
13 
+extern void Ser62500Out9N2(unsigned short item);
14 
+
15 
+#endif // #ifdef INC_ser62500
firmware/ser62500_asm.S
View file @ e8658d5
... ... 
@@ -0,0 +1,129 @@
1 
+; 8BitAmEthernet - serial output 250kbps
2 
+; version 0.4.0 date 2006-04-13
3 
+; Copyright 2005-2006 Stefan Schuermans <1stein@schuermans.info>
4 
+; Copyleft: GNU public license - http://www.gnu.org/copyleft/gpl.html
5 
+
6 
+
7 
+#include <avr/io.h>
8 
+
9 
+.section .text
10 
+
11 
+
12 
+
13 
+; output  0 = PC0
14 
+
15 
+
16 
+
17 
+; output a data item with 62500 baud in 9N2 protocol
18 
+; extern void Ser62500Out9N2( unsigned short item );
19 
+; extern void SerialOutput( unsigned char value );
20 
+.global Ser62500Out9N2
21 
+.func Ser62500Out9N2
22 
+Ser62500Out9N2:
23 
+	push	R16
24 
+
25 
+	; parameters: R25:R24=value
26 
+
27 
+	cli
28 
+
29 
+	ldi	R16,0xFF			; PORTC := output
30 
+	sts	DDRC,R16
31 
+
32 
+	ldi	R16,0x00			; start bit
33 
+	sts	PORTC,R16
34 
+
35 
+	rcall	wait251
36 
+
37 
+	ldi	R16,0x00			; bit 0
38 
+	sbrc	R24,0
39 
+	ldi	R16,0xFF
40 
+	sts	PORTC,R16
41 
+
42 
+	rcall	wait251
43 
+
44 
+	ldi	R16,0x00			; bit 1
45 
+	sbrc	R24,1
46 
+	ldi	R16,0xFF
47 
+	sts	PORTC,R16
48 
+
49 
+	rcall	wait251
50 
+
51 
+	ldi	R16,0x00			; bit 2
52 
+	sbrc	R24,2
53 
+	ldi	R16,0xFF
54 
+	sts	PORTC,R16
55 
+
56 
+	rcall	wait251
57 
+
58 
+	ldi	R16,0x00			; bit 3
59 
+	sbrc	R24,3
60 
+	ldi	R16,0xFF
61 
+	sts	PORTC,R16
62 
+
63 
+	rcall	wait251
64 
+
65 
+	ldi	R16,0x00			; bit 4
66 
+	sbrc	R24,4
67 
+	ldi	R16,0xFF
68 
+	sts	PORTC,R16
69 
+
70 
+	rcall	wait251
71 
+
72 
+	ldi	R16,0x00			; bit 5
73 
+	sbrc	R24,5
74 
+	ldi	R16,0xFF
75 
+	sts	PORTC,R16
76 
+
77 
+	rcall	wait251
78 
+
79 
+	ldi	R16,0x00			; bit 6
80 
+	sbrc	R24,6
81 
+	ldi	R16,0xFF
82 
+	sts	PORTC,R16
83 
+
84 
+	rcall	wait251
85 
+
86 
+	ldi	R16,0x00			; bit 7
87 
+	sbrc	R24,7
88 
+	ldi	R16,0xFF
89 
+	sts	PORTC,R16
90 
+
91 
+	rcall	wait251
92 
+
93 
+	ldi	R16,0x00			; bit 8
94 
+	sbrc	R25,0
95 
+	ldi	R16,0xFF
96 
+	sts	PORTC,R16
97 
+
98 
+	rcall	wait253
99 
+
100 
+	ldi	R16,0xFF			; 2 stop bits
101 
+	sts	PORTC,R16
102 
+
103 
+	rcall	wait256
104 
+	rcall	wait256
105 
+
106 
+	sei
107 
+
108 
+	pop	R16
109 
+	ret
110 
+.endfunc
111 
+
112 
+
113 
+
114 
+; wait 256/253/251 cycles (including rcall and ret)
115 
+wait256:
116 
+	nop					; 3 cycles
117 
+	nop
118 
+	nop
119 
+wait253:
120 
+	nop					; 2 cycles
121 
+	nop
122 
+wait251:
123 
+	ldi	R16, 81				; 1 cycle, N := 81
124 
+wait_loop:
125 
+	dec	R16				; N cycles
126 
+	brne	wait_loop			; 2N-1 cycles
127 
+	nop					; 1 cycle
128 
+	ret					; 7 cycles (including rcall)
129 
+
firmware/status.c
View file @ e8658d5
... ... 
@@ -0,0 +1,62 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#include <avr/io.h>
7 
+
8 
+#include "macros.h"
9 
+#include "status.h"
10 
+
11 
+// IO pins of bus
12 
+#define STATUS_DDR (DDRE)
13 
+#define STATUS_PORT (PORTE)
14 
+#define STATUS_BIT (2)
15 
+
16 
+// status information
17 
+char StatusInfoCfPresent = 0;   // presence of working compact flash card
18 
+                                // (boolean) (extern)
19 
+
20 
+// number of times to blink status LED
21 
+#define StatusBlinkCntIdle (1)
22 
+#define StatusBlinkCntIdleWithCf (2)
23 
+#define StatusBlinkCntWorking (3)
24 
+#define StatusBlinkCntMax (3)
25 
+unsigned char StatusBlinkCnt = StatusBlinkCntIdle;
26 
+
27 
+// interval counter for blinking status LED
28 
+unsigned char StatusBlinkInterval = 0;
29 
+
30 
+// initialize
31 
+void StatusInit(void)
32 
+{
33 
+  // set up IO pin of status LED as output
34 
+  bit_clear(STATUS_PORT, STATUS_BIT);
35 
+  bit_set(STATUS_DDR, STATUS_BIT);
36 
+}
37 
+
38 
+// tick procedure - call every 200ms
39 
+void StatusTick200(void)
40 
+{
41 
+  // turn on status LED only in even intervals and if not yet blinked
42 
+  // StatusBlinkCnt times
43 
+  if ((StatusBlinkInterval & 0x01) == 0
44 
+      && StatusBlinkInterval >> 1 < StatusBlinkCnt)
45 
+    bit_set(STATUS_PORT, STATUS_BIT);
46 
+  else
47 
+    bit_clear(STATUS_PORT, STATUS_BIT);
48 
+
49 
+  // next interval
50 
+  StatusBlinkInterval++;
51 
+
52 
+  // blink cycle finished
53 
+  if (StatusBlinkInterval >> 1 > StatusBlinkCntMax) {
54 
+    StatusBlinkInterval = 0;
55 
+
56 
+    // set new blink count depending on status information
57 
+    if (StatusInfoCfPresent)
58 
+      StatusBlinkCnt = StatusBlinkCntIdleWithCf;
59 
+    else
60 
+      StatusBlinkCnt = StatusBlinkCntIdle;
61 
+  }
62 
+}
firmware/status.h
View file @ e8658d5
... ... 
@@ -0,0 +1,19 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#ifndef INC_status
7 
+#define INC_status
8 
+
9 
+// status information
10 
+extern char StatusInfoCfPresent;        // presence of working compact flash
11 
+                                        // card (boolean)
12 
+
13 
+// initialize
14 
+extern void StatusInit(void);
15 
+
16 
+// tick procedure - call every 200ms
17 
+extern void StatusTick200(void);
18 
+
19 
+#endif // #ifdef INC_status
firmware/tcp.c
View file @ e8658d5
... ... 
@@ -0,0 +1,1188 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#include <stdio.h>
7 
+
8 
+#include "config.h"
9 
+#include "checksum.h"
10 
+#include "debug.h"
11 
+#include "ethernet.h"
12 
+#include "http.h"
13 
+#include "ip.h"
14 
+#include "macros.h"
15 
+#include "nethelp.h"
16 
+#include "random.h"
17 
+#include "tcp.h"
18 
+
19 
+#define TCP_URG 0x20
20 
+#define TCP_ACK 0x10
21 
+#define TCP_PSH 0x08
22 
+#define TCP_RST 0x04
23 
+#define TCP_SYN 0x02
24 
+#define TCP_FIN 0x01
25 
+#define TCP_FLAGS 0x3F
26 
+
27 
+#define TcpResendTicks 5        // time after which to resend a packet not
28 
+                                // ACKed (in 200ms steps, max. 255)
29 
+#define TcpTimeWaitTicks 20     // time to wait in TIME_WAIT state (in 200ms
30 
+                                // steps, max. 255)
31 
+#define TcpTimeoutTicks 50      // maximum idle time of connection before it
32 
+                                // is reset (in 200ms steps, max. 255)
33 
+#define TcpMaxLifeTimeTicks 150 // maximum lifetime of connection before it
34 
+                                // is reset (in 200ms steps, max. 255)
35 
+
36 
+// TCP connections
37 
+struct TcpConnection TcpConns[8];
38 
+
39 
+// initialize
40 
+void TcpInit(void)      // (extern)
41 
+{
42 
+  unsigned char i;
43 
+
44 
+  // set all connections to closed
45 
+  for (i = 0; i < count(TcpConns); i++)
46 
+    TcpConns[i].State = TCP_CLOSED;
47 
+}
48 
+
49 
+// send a TCP packet
50 
+// pData must point to a struct TcpPacket with TcpHdr.SrcPort,
51 
+// TcpHdr.DestPort,
52 
+// TcpHdr.SeqNo, TcpHdr.AckNo, TcpHdr.WndSz and IpHdr.Dest already
53 
+// initialized
54 
+static void TcpSendPacket(unsigned char *pData, unsigned short Length,
55 
+                          unsigned char optLen, unsigned char flags)
56 
+{
57 
+  struct TcpPacket *pTcpPack;
58 
+  unsigned int chk;
59 
+
60 
+  // packet too short
61 
+  if (Length < sizeof(struct TcpPacket) + optLen)
62 
+    return;
63 
+
64 
+  // convert pointer to UDP packet
65 
+  // (this saves us from always casting pData)
66 
+  pTcpPack = (struct TcpPacket *)pData;
67 
+
68 
+  debug_tcp_printf("send src=%u dest=%u flags=%s%s%s%s%s%s len=%u",
69 
+                   ntohs(pTcpPack->TcpHdr.SrcPort),
70 
+                   ntohs(pTcpPack->TcpHdr.DestPort),
71 
+                   flags & TCP_URG ? "U" : "",
72 
+                   flags & TCP_ACK ? "A" : "",
73 
+                   flags & TCP_PSH ? "P" : "",
74 
+                   flags & TCP_RST ? "R" : "",
75 
+                   flags & TCP_SYN ? "S" : "",
76 
+                   flags & TCP_FIN ? "F" : "", Length);
77 
+
78 
+  // fill in header values
79 
+  pTcpPack->TcpHdr.Ofs_Flags =
80 
+      htons((unsigned short)((optLen + 23) & 0x3C) << 10 |
81 
+            (unsigned short)(flags & TCP_FLAGS));
82 
+  pTcpPack->TcpHdr.Chk = 0x0000;
83 
+  pTcpPack->TcpHdr.UrgentPtr = 0x0000;
84 
+  ip_cpy(pTcpPack->IpHdr.Src, ConfigIp);        // put IP already here into
85 
+                                                // IP header
86 
+  // because it is needed for calculation of UDP checksum
87 
+
88 
+  // generate checksum
89 
+  chk = Checksum((unsigned char *)&pTcpPack->IpHdr.Src,
90 
+                 Length - sizeof(struct EthernetHeader) -
91 
+                 sizeof(struct IpHeader) + 8, 0x0006,
92 
+                 Length - sizeof(struct EthernetHeader) -
93 
+                 sizeof(struct IpHeader));
94 
+  pTcpPack->TcpHdr.Chk = htons(chk);
95 
+
96 
+  // send TCP packet
97 
+  pTcpPack->IpHdr.Proto = 0x06; // TCP
98 
+  IpSend(pData, Length);
99 
+}
100 
+
101 
+// send an empty segment
102 
+static void TcpEmptySegment(struct TcpConnection *pConn, unsigned long seq,
103 
+                            unsigned long ack, unsigned char flags)
104 
+{
105 
+  struct TcpPacket EsPack;
106 
+
107 
+  // send empty TCP segment
108 
+  EsPack.TcpHdr.SrcPort = htons(pConn->LocalPort);
109 
+  EsPack.TcpHdr.DestPort = htons(pConn->RemotePort);
110 
+  EsPack.TcpHdr.SeqNo = htonl(seq);
111 
+  EsPack.TcpHdr.AckNo = htonl(ack);
112 
+  EsPack.TcpHdr.WndSz = htons(pConn->RcvWnd);
113 
+  ip_cpy(EsPack.IpHdr.Dest, pConn->RemoteIp);
114 
+  TcpSendPacket((unsigned char *)&EsPack, sizeof(EsPack), 0, flags);
115 
+  return;
116 
+}
117 
+
118 
+// send a SYN segment (empty with MSS option set)
119 
+static void TcpSynSegment(struct TcpConnection *pConn, unsigned long seq,
120 
+                          unsigned long ack, unsigned char flags)
121 
+{
122 
+  struct {
123 
+    struct TcpPacket Tcp;
124 
+    struct {
125 
+      unsigned char Kind, Len;
126 
+      unsigned short Mss;
127 
+    } MssOpt;
128 
+  } Pack;
129 
+
130 
+  // send empty TCP segment with MSS
131 
+  Pack.Tcp.TcpHdr.SrcPort = htons(pConn->LocalPort);
132 
+  Pack.Tcp.TcpHdr.DestPort = htons(pConn->RemotePort);
133 
+  Pack.Tcp.TcpHdr.SeqNo = htonl(seq);
134 
+  Pack.Tcp.TcpHdr.AckNo = htonl(ack);
135 
+  Pack.Tcp.TcpHdr.WndSz = htons(pConn->RcvWnd);
136 
+  ip_cpy(Pack.Tcp.IpHdr.Dest, pConn->RemoteIp);
137 
+  Pack.MssOpt.Kind = 2;
138 
+  Pack.MssOpt.Len = 4;
139 
+  Pack.MssOpt.Mss = htons(256);
140 
+  TcpSendPacket((unsigned char *)&Pack, sizeof(Pack), sizeof(Pack.MssOpt),
141 
+                flags);
142 
+  return;
143 
+}
144 
+
145 
+// send a data segment
146 
+static void TcpSendDataSegment(unsigned char connNo,
147 
+                               struct TcpConnection *pConn, char needSendAck)
148 
+{
149 
+  unsigned long sendDataLenL;
150 
+  unsigned short sendDataLen, len;
151 
+  struct {
152 
+    struct TcpPacket Tcp;
153 
+    unsigned char Data[256];    // do not use larger segments to save stack
154 
+                                // memory
155 
+  } Packet;
156 
+
157 
+  // if outbound connection is not closed yet
158 
+  if (pConn->State == TCP_ESTAB || pConn->State == TCP_CLOSE_WAIT) {
159 
+    // get maximum number of bytes that might be sent in this segment
160 
+    sendDataLenL =
161 
+        (unsigned long)pConn->SndWnd - (pConn->SndNxt - pConn->SndUna);
162 
+    if ((signed long)sendDataLenL < 0)  // just to be on the safe side - this
163 
+                                        // should never happen
164 
+      sendDataLen = 0;
165 
+    sendDataLen =
166 
+        (unsigned short)min(sendDataLenL, (unsigned long)pConn->Mss);
167 
+    sendDataLen = min(sendDataLen, sizeof(Packet.Data));
168 
+    // get data to send from user
169 
+    if (sendDataLen > 0) {
170 
+      debug_tcp_printf("notify send no=%u pos=%lu max_len=%u",
171 
+                       connNo, pConn->SndNxt - (pConn->Iss + 1), sendDataLen);
172 
+      len =
173 
+          pConn->Notify->Send(connNo, pConn->SndNxt - (pConn->Iss + 1),
174 
+                              Packet.Data, sendDataLen);
175 
+      if (len > sendDataLen)    // returned 0xFFFF (or any number too large)
176 
+                                // to close connection
177 
+      {
178 
+        debug_tcp_printf("notify send no=%u close", connNo);
179 
+        TcpEmptySegment(pConn, pConn->SndNxt, pConn->RcvNxt, TCP_FIN | TCP_ACK);        // send
180 
+                                                                                        // TCP
181 
+                                                                                        // FIN
182 
+        pConn->SndNxt++;
183 
+        pConn->State = TCP_FIN_WAIT_1;  // go to state FIN-WAIT-1
184 
+        debug_tcp_printf("notify close no=%u", connNo);
185 
+        pConn->Notify->Close(connNo);   // signal "connection closed" to user
186 
+        return;
187 
+      }
188 
+      debug_tcp_printf("notify send no=%u len=%u", connNo, len);
189 
+      sendDataLen = len;
190 
+    }
191 
+  }
192 
+  // if outbound connection is already closed
193 
+  else
194 
+    // do not send data
195 
+    sendDataLen = 0;
196 
+
197 
+  // send a segment if data is available or an ACK needs to be sent
198 
+  if (sendDataLen > 0 || needSendAck) {
199 
+    // send TCP segment
200 
+    Packet.Tcp.TcpHdr.SrcPort = htons(pConn->LocalPort);
201 
+    Packet.Tcp.TcpHdr.DestPort = htons(pConn->RemotePort);
202 
+    Packet.Tcp.TcpHdr.SeqNo = htonl(pConn->SndNxt);
203 
+    Packet.Tcp.TcpHdr.AckNo = htonl(pConn->RcvNxt);
204 
+    Packet.Tcp.TcpHdr.WndSz = htons(pConn->RcvWnd);
205 
+    ip_cpy(Packet.Tcp.IpHdr.Dest, pConn->RemoteIp);
206 
+    TcpSendPacket((unsigned char *)&Packet,
207 
+                  sizeof(struct TcpPacket) + sendDataLen, 0,
208 
+                  sendDataLen > 0 ? TCP_ACK | TCP_PSH : TCP_ACK);
209 
+    pConn->SndNxt += sendDataLen;
210 
+  }
211 
+}
212 
+
213 
+// tick procedure - call every 200ms
214 
+void TcpTick200(void)   // (extern)
215 
+{
216 
+  unsigned char i, MaxTicks;
217 
+
218 
+  // for all active connections
219 
+  for (i = 0; i < count(TcpConns); i++) {
220 
+
221 
+    if (TcpConns[i].State != TCP_CLOSED) {
222 
+      // increase normal timer
223 
+      TcpConns[i].Ticks++;
224 
+
225 
+      // get maximum value for normal timer
226 
+      MaxTicks =
227 
+          TcpConns[i].State ==
228 
+          TCP_TIME_WAIT ? TcpTimeWaitTicks : TcpResendTicks;
229 
+      // normal timer elapsed
230 
+      if (TcpConns[i].Ticks >= MaxTicks) {
231 
+        // reset normal timer
232 
+        TcpConns[i].Ticks = 0;
233 
+
234 
+        // different behaviour in different states
235 
+        switch (TcpConns[i].State) {
236 
+
237 
+        case TCP_SYN_RCVD:
238 
+          // resend SYN,ACK segment
239 
+          TcpSynSegment(&TcpConns[i], TcpConns[i].SndUna, TcpConns[i].RcvNxt,
240 
+                        TCP_SYN | TCP_ACK);
241 
+          TcpConns[i].SndNxt = TcpConns[i].SndUna + 1;
242 
+          break;
243 
+
244 
+        case TCP_SYN_SENT:
245 
+          // resend SYN segment
246 
+          TcpSynSegment(&TcpConns[i], TcpConns[i].SndUna, 0, TCP_SYN);
247 
+          TcpConns[i].SndNxt = TcpConns[i].SndUna + 1;
248 
+          break;
249 
+
250 
+        case TCP_ESTAB:
251 
+        case TCP_CLOSE_WAIT:
252 
+          // if something is not yet ACKed
253 
+          if ((long)(TcpConns[i].SndUna - TcpConns[i].SndNxt) < 0) {
254 
+            // resend data segment
255 
+            TcpConns[i].SndNxt = TcpConns[i].SndUna;    // some kind of "go
256 
+                                                        // back N"
257 
+            // BUG: this is not really "go back N"
258 
+            // according to RFC793, every segment sent and not acknowledged
259 
+            // has to be stored
260 
+            // in the resend queue until is is acknowledged
261 
+            // but this is not possible on a microcontroller with 4kB of RAM
262 
+            TcpSendDataSegment(i, &TcpConns[i], 0);
263 
+          }
264 
+          break;
265 
+
266 
+        case TCP_FIN_WAIT_1:
267 
+        case TCP_CLOSING:
268 
+        case TCP_LAST_ACK:
269 
+          // resend FIN segment
270 
+          TcpEmptySegment(&TcpConns[i], TcpConns[i].SndUna,
271 
+                          TcpConns[i].RcvNxt, TCP_FIN | TCP_ACK);
272 
+          TcpConns[i].SndNxt = TcpConns[i].SndUna + 1;
273 
+          break;
274 
+
275 
+        case TCP_TIME_WAIT:
276 
+          // close connection, free TCB
277 
+          TcpConns[i].State = TCP_CLOSED;
278 
+          break;
279 
+
280 
+        }       // switch( TcpConns[i].State )
281 
+
282 
+      } // if( TcpConns[i].Ticks >= ...
283 
+
284 
+    }   // if( TcpConns[i].State != ...
285 
+
286 
+    if (TcpConns[i].State != TCP_CLOSED) {
287 
+      // increase timeout timer
288 
+      TcpConns[i].Timeout++;
289 
+
290 
+      // timeout timer elapsed
291 
+      if (TcpConns[i].Timeout >= TcpTimeoutTicks) {
292 
+        // send a RST segment
293 
+        TcpEmptySegment(&TcpConns[i], TcpConns[i].SndUna, TcpConns[i].RcvNxt,
294 
+                        TCP_RST);
295 
+        // depending on state ...
296 
+        switch (TcpConns[i].State) {
297 
+        case TCP_SYN_RCVD:
298 
+        case TCP_ESTAB:
299 
+        case TCP_CLOSE_WAIT:
300 
+          TcpConns[i].State = TCP_CLOSED;       // close connection
301 
+          debug_tcp_printf("notify close no=%u", i);
302 
+          TcpConns[i].Notify->Close(i); // tell user that connection was
303 
+                                        // closed
304 
+          break;
305 
+        default:
306 
+          TcpConns[i].State = TCP_CLOSED;       // close connection
307 
+        }
308 
+
309 
+      } // if( TcpConns[i].Timeout >= ...
310 
+
311 
+    }   // if( TcpConns[i].State != ...
312 
+
313 
+    if (TcpConns[i].State != TCP_CLOSED) {
314 
+      // increase lifetime timer
315 
+      TcpConns[i].LifeTime++;
316 
+
317 
+      // lifetime timer elapsed
318 
+      // - connections may not last forever - even not with traffic on them
319 
+      if (TcpConns[i].LifeTime >= TcpMaxLifeTimeTicks) {
320 
+        // send a RST segment
321 
+        TcpEmptySegment(&TcpConns[i], TcpConns[i].SndUna, TcpConns[i].RcvNxt,
322 
+                        TCP_RST);
323 
+        // depending on state ...
324 
+        switch (TcpConns[i].State) {
325 
+        case TCP_SYN_RCVD:
326 
+        case TCP_ESTAB:
327 
+        case TCP_CLOSE_WAIT:
328 
+          TcpConns[i].State = TCP_CLOSED;       // close connection
329 
+          debug_tcp_printf("notify close no=%u", i);
330 
+          TcpConns[i].Notify->Close(i); // tell user that connection was
331 
+                                        // closed
332 
+          break;
333 
+        default:
334 
+          TcpConns[i].State = TCP_CLOSED;       // close connection
335 
+        }
336 
+      } // if( TcpConns[i].LifeTime >= ...
337 
+
338 
+    }   // if( TcpConns[i].State != ...
339 
+
340 
+  }     // for( i ...
341 
+}
342 
+
343 
+// process a received TCP packet
344 
+void TcpRecv(unsigned char *pData, unsigned short Length)       // (extern)
345 
+{
346 
+  struct TcpPacket *pTcpPack;
347 
+  unsigned long seq, ack, seqEnd;
348 
+  unsigned short localPort, remotePort, wnd, mss, ofs, len, tmp, rcvWnd;
349 
+  unsigned char i, flags, *optPtr, optLen, connNo;
350 
+  struct TcpConnection *pConn;
351 
+  char accept, sendAck;
352 
+  struct TcpNotify *pNotify;
353 
+
354 
+  // packet too short
355 
+  if (Length < sizeof(struct TcpPacket))
356 
+    return;
357 
+
358 
+  // convert pointer to TCP packet
359 
+  // (this saves us from always casting pData)
360 
+  pTcpPack = (struct TcpPacket *)pData;
361 
+
362 
+  // test checksum
363 
+  if (Checksum((unsigned char *)&pTcpPack->IpHdr.Src,
364 
+               Length - sizeof(struct EthernetHeader) -
365 
+               sizeof(struct IpHeader) + 8, 0x0006,
366 
+               Length - sizeof(struct EthernetHeader) -
367 
+               sizeof(struct IpHeader)) != 0)
368 
+    return;
369 
+
370 
+  // get local and remote port
371 
+  localPort = ntohs(pTcpPack->TcpHdr.DestPort);
372 
+  remotePort = ntohs(pTcpPack->TcpHdr.SrcPort);
373 
+
374 
+  // ignore packets sent from or to port 0
375 
+  // - this might be some attack
376 
+  if (localPort == 0 || remotePort == 0)
377 
+    return;
378 
+
379 
+  // get sequence number, acknowledge number and window size
380 
+  seq = ntohl(pTcpPack->TcpHdr.SeqNo);
381 
+  ack = ntohl(pTcpPack->TcpHdr.AckNo);
382 
+  wnd = ntohs(pTcpPack->TcpHdr.WndSz);
383 
+  // maximum segment size: liberal default according to RFC879
384 
+  mss = 536;
385 
+
386 
+  // get flags
387 
+  flags = ntohs(pTcpPack->TcpHdr.Ofs_Flags) & 0x003F;
388 
+
389 
+  // get data offset and segment length in bytes
390 
+  ofs = (ntohs(pTcpPack->TcpHdr.Ofs_Flags) & 0xF000) >> 10;
391 
+  if (ofs < 20 || ofs > Length - sizeof(struct EthernetHeader) - sizeof(struct IpHeader))       // invalid
392 
+                                                                                                // offset
393 
+    return;     // remote side is unable to build valid TCP packets - ignore
394 
+
395 
+  // get segment length (length of data in segment)
396 
+  len =
397 
+      Length - sizeof(struct EthernetHeader) - sizeof(struct IpHeader) - ofs;
398 
+
399 
+  debug_tcp_printf("recv src=%u dest=%u flags=%s%s%s%s%s%s len=%u",
400 
+                   ntohs(pTcpPack->TcpHdr.SrcPort),
401 
+                   ntohs(pTcpPack->TcpHdr.DestPort),
402 
+                   flags & TCP_URG ? "U" : "",
403 
+                   flags & TCP_ACK ? "A" : "",
404 
+                   flags & TCP_PSH ? "P" : "",
405 
+                   flags & TCP_RST ? "R" : "",
406 
+                   flags & TCP_SYN ? "S" : "",
407 
+                   flags & TCP_FIN ? "F" : "", Length);
408 
+
409 
+  // process options
410 
+  optLen = (unsigned char)(ofs - 20);
411 
+  optPtr = (unsigned char *)&pTcpPack->TcpHdr + sizeof(struct TcpHeader);
412 
+  while (optLen > 0) {
413 
+    switch (*optPtr) {
414 
+      // end of options
415 
+    case 0:
416 
+      optLen = 0;
417 
+      break;
418 
+      // no operation
419 
+    case 1:
420 
+      optLen--;
421 
+      optPtr++;
422 
+      break;
423 
+      // maximum segment size
424 
+    case 2:
425 
+      if (optLen < 4 || optPtr[1] != 4) {
426 
+        optPtr = NULL;  // error
427 
+        optLen = 0;
428 
+        break;
429 
+      }
430 
+      mss = ntohs(*(unsigned short *)(optPtr + 2));
431 
+      optLen -= 4;
432 
+      optPtr += 4;
433 
+      break;
434 
+      // unknown option
435 
+    default:
436 
+      if (optLen < 2 || optPtr[1] > optLen) {
437 
+        optPtr = NULL;  // error
438 
+        optLen = 0;
439 
+      }
440 
+      optLen -= optPtr[1];      // ignore this option
441 
+      optPtr += optPtr[1];
442 
+    }   // switch( *optPtr )
443 
+  }     // while( optLen > 0 )
444 
+  if (optPtr == NULL)   // some error during option parsing
445 
+    return;     // remote side is unable to build valid TCP packets - ignore
446 
+
447 
+  // get sequence number at end of this segment
448 
+  seqEnd = seq + len;
449 
+  if (flags & TCP_SYN)  // TCP SYN counts as 1 in sequence number space
450 
+    seqEnd++;
451 
+  if (flags & TCP_FIN)  // TCP FIN counts as 1 in sequence number space
452 
+    seqEnd++;
453 
+
454 
+  // search connection
455 
+  for (i = 0; i < count(TcpConns); i++)
456 
+    if (TcpConns[i].State != TCP_CLOSED &&
457 
+        ip_eq(TcpConns[i].RemoteIp, pTcpPack->IpHdr.Src) &&
458 
+        TcpConns[i].LocalPort == localPort &&
459 
+        TcpConns[i].RemotePort == remotePort)
460 
+      break;
461 
+
462 
+  // connection not found, only SYN flag set, no data
463 
+  if (i >= count(TcpConns) && flags == TCP_SYN && len == 0) {
464 
+    // accept connections on some ports (note: localPort cannot be 0 because
465 
+    // of check above)
466 
+    rcvWnd = 0;
467 
+    pNotify = NULL;
468 
+    // HTTP
469 
+    if (localPort == ConfigHttpPort) {
470 
+      rcvWnd = 256;     // connection shall be accepted
471 
+      pNotify = &HttpNotify;
472 
+    }
473 
+    // connection shall be accepted
474 
+    if (pNotify != NULL) {
475 
+      // search empty connection slot
476 
+      for (i = 0; i < count(TcpConns); i++)
477 
+        if (TcpConns[i].State == TCP_CLOSED)
478 
+          break;
479 
+      // free connection slot found
480 
+      if (i < count(TcpConns)) {
481 
+        // create new connection (passive) in this slot
482 
+        ip_cpy(TcpConns[i].RemoteIp, pTcpPack->IpHdr.Src);
483 
+        TcpConns[i].LocalPort = localPort;
484 
+        TcpConns[i].RemotePort = remotePort;
485 
+        TcpConns[i].State = TCP_LISTEN;
486 
+        TcpConns[i].Ticks = 0;
487 
+        TcpConns[i].Timeout = 0;
488 
+        TcpConns[i].LifeTime = 0;
489 
+        TcpConns[i].RcvWnd = rcvWnd;
490 
+        TcpConns[i].Notify = pNotify;
491 
+      }
492 
+    }
493 
+  }
494 
+  // connection still not found
495 
+  if (i >= count(TcpConns)) {
496 
+    struct TcpPacket EsPack;
497 
+    unsigned char EsFlags;
498 
+
499 
+    // do nothing if RST flag is set
500 
+    if (flags & TCP_RST)
501 
+      return;
502 
+
503 
+    // send TCP RST
504 
+    EsPack.TcpHdr.SrcPort = htons(localPort);
505 
+    EsPack.TcpHdr.DestPort = htons(remotePort);
506 
+    EsPack.TcpHdr.WndSz = htons(0);
507 
+    ip_cpy(EsPack.IpHdr.Dest, pTcpPack->IpHdr.Src);
508 
+    if (flags & TCP_ACK) {
509 
+      EsPack.TcpHdr.SeqNo = htonl(ack);
510 
+      EsPack.TcpHdr.AckNo = htonl(0);
511 
+      EsFlags = TCP_RST;
512 
+    } else {
513 
+      EsPack.TcpHdr.SeqNo = htonl(0);
514 
+      EsPack.TcpHdr.AckNo = htonl(seqEnd);
515 
+      EsFlags = TCP_RST | TCP_ACK;
516 
+    }
517 
+    TcpSendPacket((unsigned char *)&EsPack, sizeof(EsPack), 0, EsFlags);
518 
+    return;
519 
+  }
520 
+  // a connection was found - save number and pointer to it
521 
+  connNo = i;
522 
+  pConn = &TcpConns[i];
523 
+
524 
+  // reset connection on reception of urgent data (URG flag set)
525 
+  // BUG: urgent data must be supported according to RFC793
526 
+  // but urgent data is not used in protocols we use, so leave this out here
527 
+  // to save time and memory
528 
+  if (flags & TCP_URG) {
529 
+    // send TCP RST
530 
+    if (flags & TCP_ACK)
531 
+      TcpEmptySegment(pConn, ack, 0, TCP_RST);
532 
+    else
533 
+      TcpEmptySegment(pConn, 0, seqEnd, TCP_RST | TCP_ACK);
534 
+    return;
535 
+  }
536 
+  // different behaviour in different states according to RFC793
537 
+  switch (pConn->State) {
538 
+
539 
+  case TCP_LISTEN:
540 
+    if (flags & TCP_RST)        // An incoming RST should be ignored.
541 
+      return;
542 
+    if (flags & TCP_ACK)        // Any acknowledgment is bad if it arrives on
543 
+                                // a connection still in the LISTEN state.
544 
+    {
545 
+      TcpEmptySegment(pConn, ack, 0, TCP_RST);  // An acceptable reset
546 
+                                                // segment should be formed
547 
+                                                // for any arriving
548 
+                                                // ACK-bearing segment.
549 
+      pConn->Ticks = 0; // restart timer
550 
+      return;
551 
+    }
552 
+    if (flags & TCP_SYN)        // third check for a SYN
553 
+    {
554 
+      pConn->RcvNxt = seq + 1;  // Set RCV.NXT to SEG.SEQ+1,
555 
+      pConn->Irs = seq; // IRS is set to SEG.SEQ
556 
+      RandomGetData((unsigned char *)&pConn->Iss, sizeof(pConn->Iss));  // ISS
557 
+                                                                        // should
558 
+                                                                        // be
559 
+                                                                        // selected
560 
+                                                                        // (randomly!!!)
561 
+      TcpSynSegment(pConn, pConn->Iss, pConn->RcvNxt, TCP_SYN | TCP_ACK);       // and
562 
+                                                                                // a
563 
+                                                                                // SYN
564 
+                                                                                // segment
565 
+                                                                                // sent
566 
+      pConn->SndNxt = pConn->Iss + 1;   // SND.NXT is set to ISS+1
567 
+      pConn->SndUna = pConn->Iss;       // and SND.UNA to ISS
568 
+      pConn->State = TCP_SYN_RCVD;      // The connection state should be
569 
+                                        // changed to SYN-RECEIVED.
570 
+      pConn->SndWnd = wnd;      // initialize send window from packet
571 
+      pConn->SndWl1 = seq;
572 
+      pConn->SndWl2 = ack;
573 
+      pConn->Mss = mss; // save maximum segment size
574 
+      pConn->Ticks = 0; // restart timer
575 
+      return;
576 
+    }
577 
+    // fourth other text or control
578 
+    // So you are unlikely to get here, but if you do, drop the segment, and
579 
+    // return.
580 
+    return;
581 
+
582 
+  case TCP_SYN_SENT:
583 
+    accept = 0;
584 
+    if (flags & TCP_ACK)        // If the ACK bit is set
585 
+    {
586 
+      if ((long)(ack - pConn->Iss) <= 0 || (long)(ack - pConn->SndNxt) > 0)     // If
587 
+                                                                                // SEG.ACK
588 
+                                                                                // =<
589 
+                                                                                // ISS,
590 
+                                                                                // or
591 
+                                                                                // SEG.ACK
592 
+                                                                                // >
593 
+                                                                                // SND.NXT,
594 
+      {
595 
+        if (!(flags & TCP_RST)) // (unless the RST bit is set)
596 
+          TcpEmptySegment(pConn, ack, 0, TCP_RST);      // send a reset
597 
+        return; // and discard the segment. Return.
598 
+      }
599 
+      accept = (long)(pConn->SndUna - ack) <= 0 && (long)(ack - pConn->SndNxt) <= 0;    // If
600 
+                                                                                        // SND.UNA
601 
+                                                                                        // =<
602 
+                                                                                        // SEG.ACK
603 
+                                                                                        // =<
604 
+                                                                                        // SND.NXT
605 
+                                                                                        // then
606 
+                                                                                        // the
607 
+                                                                                        // ACK
608 
+                                                                                        // is
609 
+                                                                                        // acceptable.
610 
+    }
611 
+    if (flags & TCP_RST)        // If the RST bit is set
612 
+    {
613 
+      if (accept)       // If the ACK was acceptable
614 
+        pConn->State = TCP_CLOSED;      // enter CLOSED state, delete TCB,
615 
+      return;   // drop the segment and return.
616 
+    }
617 
+    if ((accept || !(flags & TCP_ACK)) &&       // This step should be
618 
+                                                // reached only if the ACK is
619 
+                                                // ok, or there is no ACK,
620 
+        flags & TCP_SYN)        // If the SYN bit is on
621 
+    {
622 
+      pConn->RcvNxt = seq + 1;  // RCV.NXT is set to SEG.SEQ+1,
623 
+      pConn->Irs = seq; // IRS is set to SEG.SEQ.
624 
+      pConn->SndWl2 = pConn->RcvNxt;    // last acknowledge number when
625 
+                                        // updating the window size is first
626 
+                                        // acknowledge number at all
627 
+      if (accept)       // (if there is an ACK)
628 
+        pConn->SndUna = ack;    // SND.UNA should be advanced to equal
629 
+                                // SEG.ACK
630 
+      pConn->SndWnd = wnd;      // initialize send window from packet
631 
+      pConn->SndWl1 = seq;
632 
+      pConn->SndWl2 = ack;
633 
+      pConn->Mss = mss; // save maximum segment size
634 
+      if ((long)(pConn->SndUna - pConn->Iss) > 0)       // If SND.UNA > ISS
635 
+                                                        // (our SYN has been
636 
+                                                        // ACKed),
637 
+      {
638 
+        pConn->State = TCP_ESTAB;       // change the connection state to
639 
+                                        // ESTABLISHED,
640 
+        debug_tcp_printf("notify connect no=%u", connNo);
641 
+        pConn->Notify->Connect(connNo); // signal "connected"
642 
+        TcpEmptySegment(pConn, pConn->SndNxt, pConn->RcvNxt, TCP_ACK);  // form
643 
+                                                                        // an
644 
+                                                                        // ACK
645 
+                                                                        // segment
646 
+                                                                        // and
647 
+                                                                        // send
648 
+                                                                        // it.
649 
+      } else    // Otherwise
650 
+      {
651 
+        pConn->State = TCP_SYN_RCVD;    // enter SYN-RECEIVED,
652 
+        TcpSynSegment(pConn, pConn->Iss, pConn->RcvNxt, TCP_SYN | TCP_ACK);     // form
653 
+                                                                                // a
654 
+                                                                                // SYN,ACK
655 
+                                                                                // segment
656 
+                                                                                // and
657 
+                                                                                // send
658 
+                                                                                // it.
659 
+      }
660 
+      pConn->Ticks = 0; // restart timer
661 
+    }
662 
+    return;
663 
+
664 
+  }     // switch( pConn->State )
665 
+
666 
+  // Otherwise,
667 
+
668 
+  // first check sequence number
669 
+  if (len == 0)
670 
+    if (pConn->RcvWnd == 0)
671 
+      accept = seq == pConn->RcvNxt;    // SEG.SEQ = RCV.NXT
672 
+    else
673 
+      accept = (long)(pConn->RcvNxt - seq) <= 0 &&      // RCV.NXT =< SEG.SEQ
674 
+                                                        // < RCV.NXT+RCV.WND
675 
+          (long)(seq - (pConn->RcvNxt + pConn->RcvWnd)) < 0;
676 
+  else if (pConn->RcvWnd == 0)
677 
+    accept = 0; // not acceptable
678 
+  else
679 
+    accept = ((long)(pConn->RcvNxt - seq) <= 0 &&       // RCV.NXT =< SEG.SEQ
680 
+                                                        // < RCV.NXT+RCV.WND
681 
+              (long)(seq - (pConn->RcvNxt + pConn->RcvWnd)) < 0) || ((long)(pConn->RcvNxt - (seq + len - 1) <= 0) &&    // or
682 
+                                                                                                                        // RCV.NXT
683 
+                                                                                                                        // =<
684 
+                                                                                                                        // SEG.SEQ+SEG.LEN-1
685 
+                                                                                                                        // <
686 
+                                                                                                                        // RCV.NXT+RCV.WND
687 
+                                                                     (long)((seq + len - 1) - (pConn->RcvNxt + pConn->RcvWnd)) < 0);
688 
+
689 
+  // because there is not enough memory to store segments needed later,
690 
+  // we only accept segments with SEG.SEQ <= RCV.NXT
691 
+  // thus, we reject the segment if SEG.SEQ > RCV.NXT
692 
+  // BAD PERFORMANCE: this is _not_ a bug, but a major impact on performace
693 
+  // when packets arrive out of order
694 
+  // - however, we cannot do something against it,
695 
+  // because there is not enough memory available on the controller
696 
+  // to store segements for later processing
697 
+  if (accept && (long)(seq - pConn->RcvNxt) > 0)
698 
+    accept = 0;
699 
+
700 
+  // If an incoming segment is not acceptable
701 
+  if (!accept) {
702 
+    /* disabled this - sometimes it ssems to generates endless ACKs being
703 
+       exchanged with remote host) if( ! (flags & TCP_RST) ) // (unless the
704 
+       RST bit is set) TcpEmptySegment( pConn, pConn->SndNxt, pConn->RcvNxt,
705 
+       TCP_ACK ); // an acknowledgment should be sent in reply */
706 
+    return;     // drop the unacceptable segment and return.
707 
+  }
708 
+  // if segment contains duplicate data
709 
+  tmp = pConn->RcvNxt - seq;    // cannot be negative because of checks above
710 
+  if (tmp > 0) {
711 
+    // remove duplicate SYN flag from segment
712 
+    if (flags & TCP_SYN) {
713 
+      flags &= ~TCP_SYN;
714 
+      tmp--;
715 
+    }
716 
+    // remove duplicate data from segment
717 
+    ofs += tmp;
718 
+    len -= tmp; // length cannot become negative here because of checks above
719 
+    // now this segments starts with the expected sequence number
720 
+    seq = pConn->RcvNxt;
721 
+  }
722 
+  // if segment extends beyond end of receive window
723 
+  if (len > pConn->RcvWnd) {
724 
+    // remove data behind receive window
725 
+    seqEnd -= len - pConn->RcvWnd;
726 
+    len = pConn->RcvWnd;
727 
+  }
728 
+  // restart timer, because this was an acceptable segment
729 
+  pConn->Ticks = 0;
730 
+
731 
+  // second check the RST bit,
732 
+  if (flags & TCP_RST) {
733 
+    switch (pConn->State) {
734 
+
735 
+    case TCP_SYN_RCVD:
736 
+      pConn->State = TCP_CLOSED;        // enter the CLOSED state and delete
737 
+                                        // the TCB, an return.
738 
+      debug_tcp_printf("notify close no=%u", connNo);
739 
+      pConn->Notify->Close(connNo);     // signal "connection refused"
740 
+      return;
741 
+
742 
+    case TCP_ESTAB:
743 
+    case TCP_FIN_WAIT_1:
744 
+    case TCP_FIN_WAIT_2:
745 
+    case TCP_CLOSE_WAIT:
746 
+      pConn->State = TCP_CLOSED;        // Enter the CLOSED state, delete the
747 
+                                        // TCB, and return.
748 
+      debug_tcp_printf("notify close no=%u", connNo);
749 
+      pConn->Notify->Close(connNo);     // signal "connection reset"
750 
+      return;
751 
+
752 
+    case TCP_CLOSING:
753 
+    case TCP_LAST_ACK:
754 
+    case TCP_TIME_WAIT:
755 
+      pConn->State = TCP_CLOSED;        // enter the CLOSED state, delete the
756 
+                                        // TCB, and return.
757 
+      return;
758 
+
759 
+    }   // switch( pConn->State )
760 
+  }     // if( flags & TCP_RST )
761 
+
762 
+  // third check security and precedence
763 
+  // - this does not apply to our implementation because we do not support
764 
+  // security and precedence on TCP layer
765 
+
766 
+  // fourth, check the SYN bit
767 
+  if (flags & TCP_SYN) {
768 
+    switch (pConn->State) {
769 
+
770 
+    case TCP_SYN_RCVD:
771 
+    case TCP_ESTAB:
772 
+    case TCP_FIN_WAIT_1:
773 
+    case TCP_FIN_WAIT_2:
774 
+    case TCP_CLOSE_WAIT:
775 
+      // If the SYN is in the window it is an error,
776 
+      // - this is always the case here, because SYN not in window would habe
777 
+      // been removed above
778 
+      TcpEmptySegment(pConn, ack, 0, TCP_RST);  // send a reset,
779 
+      pConn->State = TCP_CLOSED;        // enter the CLOSED state, delete the
780 
+                                        // TCB, and return.
781 
+      debug_tcp_printf("notify close no=%u", connNo);
782 
+      pConn->Notify->Close(connNo);     // signal "connection reset"
783 
+      return;
784 
+
785 
+    case TCP_CLOSING:
786 
+    case TCP_LAST_ACK:
787 
+    case TCP_TIME_WAIT:
788 
+      // If the SYN is in the window it is an error,
789 
+      // - this is always the case here, because SYN not in window would habe
790 
+      // been removed above
791 
+      TcpEmptySegment(pConn, ack, 0, TCP_RST);  // send a reset,
792 
+      pConn->State = TCP_CLOSED;        // enter the CLOSED state, delete the
793 
+                                        // TCB, and return.
794 
+      return;
795 
+
796 
+    }   // switch( pConn->State )
797 
+  }     // if( flags & TCP_SYN )
798 
+
799 
+  // fifth check the ACK field,
800 
+  if (!(flags & TCP_ACK))       // if the ACK bit is off
801 
+    return;     // drop the segment and return
802 
+  switch (pConn->State) {
803 
+
804 
+  case TCP_SYN_RCVD:
805 
+    if ((long)(pConn->SndUna - ack) <= 0 &&     // If SND.UNA =< SEG.ACK =<
806 
+                                                // SND.NXT
807 
+        (long)(ack - pConn->SndNxt) <= 0) {
808 
+      pConn->State = TCP_ESTAB; // then enter ESTABLISHED state
809 
+      debug_tcp_printf("notify connect no=%u", connNo);
810 
+      pConn->Notify->Connect(connNo);   // signal "connected"
811 
+      // and continue processing.
812 
+    } else      // If the segment acknowledgment is not acceptable,
813 
+    {
814 
+      TcpEmptySegment(pConn, ack, 0, TCP_RST);  // form a reset segment, and
815 
+                                                // send it.
816 
+      return;   // drop this segment
817 
+    }
818 
+    // no break here
819 
+
820 
+  case TCP_ESTAB:
821 
+  case TCP_FIN_WAIT_1:
822 
+  case TCP_FIN_WAIT_2:
823 
+  case TCP_CLOSE_WAIT:
824 
+  case TCP_CLOSING:
825 
+    if ((long)(ack - pConn->SndUna) <= 0)       // If the ACK is a duplicate
826 
+                                                // (SEG.ACK <= SND.UNA),
827 
+      break;    // it can be ignored.
828 
+    if ((long)(ack - pConn->SndNxt) > 0)        // If the ACK acks something
829 
+                                                // not yet sent (SEG.ACK >
830 
+                                                // SND.NXT)
831 
+    {
832 
+      TcpEmptySegment(pConn, pConn->SndNxt, pConn->RcvNxt, TCP_ACK);    // then
833 
+                                                                        // send
834 
+                                                                        // an
835 
+                                                                        // ACK,
836 
+      return;   // drop the segment, and return.
837 
+    }
838 
+    // here: SND.UNA < SEG.ACK =< SND.NXT
839 
+    pConn->SndUna = ack;        // set SND.UNA <- SEG.ACK.
840 
+    if ((long)(pConn->SndWl1 - seq) < 0 ||      // If SND.WL1 < SEG.SEQ
841 
+        (pConn->SndWl1 == seq && (long)(pConn->SndWl2 - ack) <= 0))     // or
842 
+                                                                        // (SND.WL1
843 
+                                                                        // =
844 
+                                                                        // SEG.SEQ
845 
+                                                                        // and
846 
+                                                                        // SND.WL2
847 
+                                                                        // =<
848 
+                                                                        // SEG.ACK),
849 
+    {
850 
+      pConn->SndWnd = wnd;      // set SND.WND <- SEG.WND,
851 
+      pConn->SndWl1 = seq;      // set SND.WL1 <- SEG.SEQ,
852 
+      pConn->SndWl2 = ack;      // and set SND.WL2 <- SEG.ACK.
853 
+    }
854 
+    pConn->Timeout = 0; // restart timeout timer
855 
+    debug_tcp_printf("notify sent no=%u pos=%lu",
856 
+                     connNo, pConn->SndNxt - (pConn->Iss + 1));
857 
+    pConn->Notify->Sent(connNo, pConn->SndUna - (pConn->Iss + 1));      // signal
858 
+                                                                        // "send
859 
+                                                                        // completed"
860 
+                                                                        // (up
861 
+                                                                        // to
862 
+                                                                        // ack)
863 
+    // additional processing
864 
+    switch (pConn->State) {
865 
+    case TCP_FIN_WAIT_1:
866 
+      if (pConn->SndUna == pConn->SndNxt)       // if our FIN is now
867 
+                                                // acknowledged
868 
+        pConn->State = TCP_FIN_WAIT_2;  // then enter FIN-WAIT-2 and continue
869 
+                                        // processing in that state.
870 
+      // no break here
871 
+    case TCP_FIN_WAIT_2:
872 
+      if (pConn->SndUna == pConn->SndNxt)       // if the retransmission
873 
+                                                // queue is empty,
874 
+      {
875 
+        debug_tcp_printf("notify close no=%u", connNo);
876 
+        pConn->Notify->Close(connNo);   // the user's CLOSE can be
877 
+                                        // acknowledged
878 
+      }
879 
+      break;
880 
+    case TCP_CLOSING:
881 
+      if (pConn->SndUna == pConn->SndNxt)       // if the ACK acknowledges
882 
+                                                // our FIN
883 
+        pConn->State = TCP_TIME_WAIT;   // then enter the TIME-WAIT state,
884 
+      else
885 
+        return; // otherwise ignore the segment.
886 
+      break;
887 
+    }
888 
+    break;
889 
+
890 
+  case TCP_LAST_ACK:
891 
+    // The only thing that can arrive in this state is an acknowledgment of
892 
+    // our FIN.
893 
+    if (pConn->SndUna == pConn->SndNxt) // If our FIN is now acknowledged,
894 
+    {
895 
+      pConn->State = TCP_CLOSED;        // delete the TCB, enter the CLOSED
896 
+                                        // state,
897 
+      return;   // and return.
898 
+    }
899 
+    break;
900 
+
901 
+  case TCP_TIME_WAIT:
902 
+    // The only thing that can arrive in this state is a retransmission of
903 
+    // the remote FIN.
904 
+    TcpEmptySegment(pConn, ack, seqEnd, TCP_ACK);       // Acknowledge it,
905 
+    break;
906 
+
907 
+  }     // switch( pConn->State )
908 
+
909 
+  // sixth, check the URG bit,
910 
+  // - this cannot occur, because we have alredy reset the connection if URG
911 
+  // was set
912 
+
913 
+  // no ACK needs to be sent yet
914 
+  sendAck = 0;
915 
+
916 
+  // seventh, process the segment text,
917 
+  if (len > 0) {
918 
+    switch (pConn->State) {
919 
+
920 
+    case TCP_ESTAB:
921 
+    case TCP_FIN_WAIT_1:
922 
+    case TCP_FIN_WAIT_2:
923 
+      pConn->RcvWnd -= len;     // make receive window smaller (len <=
924 
+                                // pConn->RcvWnd)
925 
+      pConn->RcvNxt += len;     // advance sequence number of next data to
926 
+                                // receive
927 
+      pConn->Timeout = 0;       // restart timeout timer
928 
+      debug_tcp_printf("notify recv no=%u pos=%lu len=%u, min_wnd=%u",
929 
+                       connNo, pConn->RcvNxt - (pConn->Irs + 1) - len, len,
930 
+                       pConn->RcvWnd);
931 
+      pConn->RcvWnd = pConn->Notify->Received(connNo, pConn->RcvNxt - (pConn->Irs + 1) - len,   // give
932 
+                                                                                                // received
933 
+                                                                                                // data
934 
+                                                                                                // to
935 
+                                                                                                // user
936 
+                                              (unsigned char *)&pTcpPack->TcpHdr + ofs, len,    // (update
937 
+                                                                                                // receive
938 
+                                                                                                // window
939 
+                                                                                                // size)
940 
+                                              pConn->RcvWnd);
941 
+      debug_tcp_printf("notify recv no=%u wnd=%u", connNo, pConn->RcvWnd);
942 
+      sendAck = 1;      // remember to send an ACK
943 
+      break;
944 
+
945 
+    }   // switch( pConn->State )
946 
+  }     // if( len > 0 )
947 
+
948 
+  // eighth, check the FIN bit,
949 
+  if (flags & TCP_FIN) {
950 
+    switch (pConn->State) {
951 
+
952 
+    case TCP_SYN_RCVD:
953 
+    case TCP_ESTAB:
954 
+      sendAck = 1;      // remember to send an ACK
955 
+      pConn->RcvNxt++;  // FIN counts as one in sequence number space
956 
+      pConn->State = TCP_CLOSE_WAIT;    // Enter the CLOSE-WAIT state.
957 
+      // close outbound part of the connection
958 
+      // i.e. do an automatic call to close
959 
+      TcpEmptySegment(pConn, pConn->SndNxt, pConn->RcvNxt, TCP_FIN | TCP_ACK);  // send
960 
+                                                                                // a
961 
+                                                                                // FIN
962 
+      pConn->SndNxt++;
963 
+      pConn->State = TCP_CLOSING;
964 
+      debug_tcp_printf("notify close no=%u", connNo);
965 
+      pConn->Notify->Close(connNo);     // signal "connection closed" to user
966 
+      return;   // we do not need to send an ack, becaue we already sent it
967 
+                // with our FIN
968 
+
969 
+    case TCP_FIN_WAIT_1:
970 
+      sendAck = 1;      // remember to send an ACK
971 
+      pConn->RcvNxt++;  // FIN counts as one in sequence number space
972 
+      pConn->State = TCP_CLOSING;       // Enter the CLOSING state.
973 
+      break;
974 
+
975 
+    case TCP_FIN_WAIT_2:
976 
+      sendAck = 1;      // remember to send an ACK
977 
+      pConn->RcvNxt++;  // FIN counts as one in sequence number space
978 
+      pConn->State = TCP_TIME_WAIT;     // Enter the TIME-WAIT state.
979 
+      break;
980 
+
981 
+    case TCP_CLOSING:
982 
+    case TCP_CLOSE_WAIT:
983 
+    case TCP_LAST_ACK:
984 
+    case TCP_TIME_WAIT:
985 
+      sendAck = 1;      // remember to send an ACK
986 
+      break;
987 
+
988 
+    }   // switch( pConn->State )
989 
+  }
990 
+  // send data / ACK segment
991 
+  TcpSendDataSegment(connNo, pConn, sendAck);
992 
+}
993 
+
994 
+// open a TCP connection
995 
+// must not be called from a TCP notification function
996 
+// returns the connection number of the new connection of 0xFF in case of
997 
+// error
998 
+unsigned char TcpOpen(unsigned char *remoteIp, unsigned short remotePort,       // (extern)
999 
+                      unsigned short initialWnd, struct TcpNotify *Notify)
1000 
+#define TcpOpenLocalPortMin 32768
1001 
+#define TcpOpenLocalPortRange 16384
1002 
+{
1003 
+  static unsigned short nextLocalPort = TcpOpenLocalPortMin;    // local port
1004 
+                                                                // to use for
1005 
+                                                                // next TCP
1006 
+                                                                // connection
1007 
+  unsigned short localPort;
1008 
+  unsigned char i;
1009 
+
1010 
+  debug_tcp_printf("open ip=%u.%u.%u.%u port=%u",
1011 
+                   remoteIp[0], remoteIp[1], remoteIp[2], remoteIp[3],
1012 
+                   remotePort);
1013 
+
1014 
+  // search an unused local port
1015 
+  for (localPort = nextLocalPort;; localPort++) {
1016 
+    for (i = 0; i < count(TcpConns); i++)
1017 
+      if (TcpConns[i].State != TCP_CLOSED &&
1018 
+          TcpConns[i].LocalPort == localPort)
1019 
+        break;
1020 
+    if (i >= count(TcpConns))
1021 
+      break;
1022 
+  }
1023 
+  // save next local port to use
1024 
+  nextLocalPort = localPort + 1;
1025 
+  if (nextLocalPort >= TcpOpenLocalPortMin + TcpOpenLocalPortRange)
1026 
+    nextLocalPort = TcpOpenLocalPortMin;
1027 
+
1028 
+  // search empty connection slot
1029 
+  for (i = 0; i < count(TcpConns); i++)
1030 
+    if (TcpConns[i].State == TCP_CLOSED)
1031 
+      break;
1032 
+  // no free connection slot found
1033 
+  if (i >= count(TcpConns))
1034 
+    return 0xFF;
1035 
+
1036 
+  // create new connection in this slot
1037 
+  ip_cpy(TcpConns[i].RemoteIp, remoteIp);
1038 
+  TcpConns[i].LocalPort = localPort;
1039 
+  TcpConns[i].RemotePort = remotePort;
1040 
+  TcpConns[i].RcvNxt = 0;
1041 
+  TcpConns[i].Irs = 0;
1042 
+  RandomGetData((unsigned char *)&TcpConns[i].Iss, sizeof(TcpConns[i].Iss));    // An
1043 
+                                                                                // initial
1044 
+                                                                                // send
1045 
+                                                                                // sequence
1046 
+                                                                                // number
1047 
+                                                                                // (ISS)
1048 
+                                                                                // is
1049 
+                                                                                // selected.
1050 
+  TcpSynSegment(&TcpConns[i], TcpConns[i].Iss, 0, TCP_SYN);     // A SYN
1051 
+                                                                // segment of
1052 
+                                                                // the form
1053 
+                                                                // <SEQ=ISS><CTL=SYN>
1054 
+                                                                // is sent.
1055 
+  TcpConns[i].SndUna = TcpConns[i].Iss; // Set SND.UNA to ISS,
1056 
+  TcpConns[i].SndNxt = TcpConns[i].Iss + 1;     // SND.NXT to ISS+1,
1057 
+  TcpConns[i].State = TCP_SYN_SENT;     // enter SYN-SENT state,
1058 
+  TcpConns[i].SndWnd = 0;       // not allowed to send data for now
1059 
+  TcpConns[i].SndWl1 = 0;       // window size was never updated
1060 
+  TcpConns[i].SndWl2 = 0;
1061 
+  TcpConns[i].Ticks = 0;        // restart timers
1062 
+  TcpConns[i].Timeout = 0;
1063 
+  TcpConns[i].LifeTime = 0;
1064 
+  TcpConns[i].RcvWnd = initialWnd;
1065 
+  TcpConns[i].Notify = Notify;
1066 
+
1067 
+  debug_tcp_printf("open no=%u", i);
1068 
+
1069 
+  // return connection number
1070 
+  return i;
1071 
+}
1072 
+
1073 
+// close a TCP connection
1074 
+// must not be called from a TCP notification function
1075 
+void TcpClose(unsigned char connNo)     // (extern)
1076 
+{
1077 
+  struct TcpConnection *pConn;
1078 
+
1079 
+  debug_tcp_printf("close no=%u", connNo);
1080 
+
1081 
+  // connection does not exist
1082 
+  if (connNo >= count(TcpConns) || TcpConns[connNo].State == TCP_CLOSED)
1083 
+    return;
1084 
+
1085 
+  // get connection
1086 
+  pConn = &TcpConns[connNo];
1087 
+
1088 
+  // different actions in different states accroding to RFC793
1089 
+  switch (pConn->State) {
1090 
+
1091 
+  case TCP_LISTEN:
1092 
+  case TCP_SYN_SENT:
1093 
+    pConn->State = TCP_CLOSED;  // Delete TCB, enter CLOSED state,
1094 
+    break;      // and return.
1095 
+
1096 
+  case TCP_SYN_RCVD:
1097 
+  case TCP_ESTAB:
1098 
+    TcpEmptySegment(pConn, pConn->SndNxt, pConn->RcvNxt, TCP_FIN | TCP_ACK);    // form
1099 
+                                                                                // a
1100 
+                                                                                // FIN
1101 
+                                                                                // segment
1102 
+                                                                                // and
1103 
+                                                                                // send
1104 
+                                                                                // it,
1105 
+    pConn->SndNxt++;
1106 
+    pConn->State = TCP_FIN_WAIT_1;      // and enter FIN-WAIT-1 state;
1107 
+    debug_tcp_printf("notify close no=%u", connNo);
1108 
+    pConn->Notify->Close(connNo);       // signal "connection closed" to user
1109 
+    break;
1110 
+
1111 
+  case TCP_CLOSE_WAIT:
1112 
+    TcpEmptySegment(pConn, pConn->SndNxt, pConn->RcvNxt, TCP_FIN | TCP_ACK);    // send
1113 
+                                                                                // a
1114 
+                                                                                // FIN
1115 
+                                                                                // segment,
1116 
+    pConn->SndNxt++;
1117 
+    pConn->State = TCP_CLOSING; // enter CLOSING state.
1118 
+    debug_tcp_printf("notify close no=%u", connNo);
1119 
+    pConn->Notify->Close(connNo);       // signal "connection closed" to user
1120 
+    break;
1121 
+
1122 
+  }     // switch( pConn->State )
1123 
+}
1124 
+
1125 
+// request sending on a TCP connection
1126 
+// must not be called from a TCP notification function
1127 
+// this makes the send notification to be called if possible
1128 
+void TcpSend(unsigned char connNo)      // (extern)
1129 
+{
1130 
+  struct TcpConnection *pConn;
1131 
+
1132 
+  debug_tcp_printf("send no=%u", connNo);
1133 
+
1134 
+  // connection does not exist
1135 
+  if (connNo >= count(TcpConns) || TcpConns[connNo].State == TCP_CLOSED)
1136 
+    return;
1137 
+
1138 
+  // get connection
1139 
+  pConn = &TcpConns[connNo];
1140 
+
1141 
+  // different behaviour in different states
1142 
+  switch (pConn->State) {
1143 
+
1144 
+  case TCP_ESTAB:
1145 
+  case TCP_CLOSE_WAIT:
1146 
+    // if nothing is sent and not yet ACKed
1147 
+    if (pConn->SndUna == pConn->SndNxt)
1148 
+      // send a data segment
1149 
+      TcpSendDataSegment(connNo, pConn, 0);
1150 
+    break;
1151 
+
1152 
+  }     // switch( TcpConns[i].State )
1153 
+}
1154 
+
1155 
+// dummy notification functions
1156 
+void TcpDummyConnect(unsigned char ConnNo)
1157 
+{
1158 
+}
1159 
+
1160 
+void TcpDummyClose(unsigned char ConnNo)
1161 
+{
1162 
+}
1163 
+
1164 
+unsigned short TcpDummySend(unsigned char ConnNo, unsigned long Pos,
1165 
+                            unsigned char *pBuffer, unsigned short MaxLen)
1166 
+{
1167 
+  return 0;
1168 
+}
1169 
+
1170 
+void TcpDummySent(unsigned char ConnNo, unsigned long Pos)
1171 
+{
1172 
+}
1173 
+
1174 
+unsigned short TcpDummyReceived(unsigned char ConnNo, unsigned long Pos,
1175 
+                                unsigned char *pBuffer, unsigned short Len,
1176 
+                                unsigned short curWnd)
1177 
+{
1178 
+  return max(curWnd, 128);
1179 
+}
1180 
+
1181 
+struct TcpNotify TcpDummyNotify =       // (extern)
1182 
+{
1183 
+  .Connect = TcpDummyConnect,
1184 
+  .Close = TcpDummyClose,
1185 
+  .Send = TcpDummySend,
1186 
+  .Sent = TcpDummySent,
1187 
+  .Received = TcpDummyReceived,
1188 
+};
firmware/tcp.h
View file @ e8658d5
... ... 
@@ -0,0 +1,118 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#ifndef INC_tcp
7 
+#define INC_tcp
8 
+
9 
+#include "ethernet.h"
10 
+#include "ip.h"
11 
+
12 
+// header of a TCP packet
13 
+struct TcpHeader {
14 
+  unsigned int SrcPort;
15 
+  unsigned int DestPort;
16 
+  unsigned long SeqNo;
17 
+  unsigned long AckNo;
18 
+  unsigned int Ofs_Flags;
19 
+  unsigned int WndSz;
20 
+  unsigned int Chk;
21 
+  unsigned int UrgentPtr;
22 
+};
23 
+
24 
+// a TCP packet
25 
+struct TcpPacket {
26 
+  struct EthernetHeader EthHdr;
27 
+  struct IpHeader IpHdr;
28 
+  struct TcpHeader TcpHdr;
29 
+};
30 
+
31 
+// TCP notify functions
32 
+struct TcpNotify {
33 
+  // called when connection is established
34 
+  void (*Connect) (unsigned char ConnNo);
35 
+  // called when connection is closed / reset
36 
+  // (after this, the connection number may not be used any more)
37 
+  void (*Close) (unsigned char ConnNo);
38 
+  // called when sending data is possible
39 
+  // (return length of available data, 0xFFFF to close connection)
40 
+  unsigned short (*Send) (unsigned char ConnNo, unsigned long Pos,
41 
+                          unsigned char *pBuffer, unsigned short MaxLen);
42 
+  // called when data was sent and ACKed
43 
+  void (*Sent) (unsigned char ConnNo, unsigned long Pos);
44 
+  // called when data was received, must return new window size (not smaller
45 
+  // than curWnd)
46 
+  unsigned short (*Received) (unsigned char ConnNo, unsigned long Pos,
47 
+                              unsigned char *pBuffer, unsigned short Len,
48 
+                              unsigned short curWnd);
49 
+};
50 
+
51 
+// a TCP connection (member names according to RFC793)
52 
+// BUG: missing urgent pointers, which must be supported according to RFC793
53 
+// but urgent data is not used in protocols we use, so leave this out here to
54 
+// save time and memory
55 
+#define TCP_CLOSED 0
56 
+#define TCP_LISTEN 1
57 
+#define TCP_SYN_SENT 2
58 
+#define TCP_SYN_RCVD 3
59 
+#define TCP_ESTAB 4
60 
+#define TCP_FIN_WAIT_1 5
61 
+#define TCP_FIN_WAIT_2 6
62 
+#define TCP_CLOSE_WAIT 7
63 
+#define TCP_LAST_ACK 8
64 
+#define TCP_CLOSING 9
65 
+#define TCP_TIME_WAIT 10
66 
+struct TcpConnection {
67 
+  unsigned char RemoteIp[4];
68 
+  unsigned short LocalPort, RemotePort;
69 
+  unsigned char State;  // one of TCP_*
70 
+  unsigned long SndUna; // send unacknowledged
71 
+  unsigned long SndNxt; // send next
72 
+  unsigned short SndWnd;        // send window
73 
+  unsigned long SndWl1; // segment sequence number used for last window
74 
+                        // update
75 
+  unsigned long SndWl2; // segment acknowledgment number used for last window
76 
+                        // update
77 
+  unsigned long Iss;    // initial send sequence number
78 
+  unsigned long RcvNxt; // receive next
79 
+  unsigned short RcvWnd;        // receive window
80 
+  unsigned long Irs;    // initial receive sequence number
81 
+  unsigned short Mss;   // maximum segment size
82 
+  unsigned char Ticks;  // retransmission and time-wait timer (time since
83 
+                        // last packet sent or received in 200ms steps)
84 
+  unsigned char Timeout;        // timeout timer (time since last data was
85 
+                                // sent or received)
86 
+  unsigned char LifeTime;       // lifetime timer (time since begin of
87 
+                                // connection)
88 
+  struct TcpNotify *Notify;     // notification functions
89 
+};
90 
+
91 
+// initialize
92 
+extern void TcpInit(void);
93 
+
94 
+// tick procedure - call every 200ms
95 
+extern void TcpTick200(void);
96 
+
97 
+// process a received TCP packet
98 
+extern void TcpRecv(unsigned char *pData, unsigned short Length);
99 
+
100 
+// open a TCP connection
101 
+// must not be called from a TCP notification function
102 
+// returns the connection number of the new connection of 0xFF in case of
103 
+// error
104 
+extern unsigned char TcpOpen(unsigned char *remoteIp,
105 
+                             unsigned short remotePort,
106 
+                             unsigned short initialWnd,
107 
+                             struct TcpNotify *Notify);
108 
+
109 
+// close a TCP connection
110 
+// must not be called from a TCP notification function
111 
+extern void TcpClose(unsigned char connNo);
112 
+
113 
+// request sending on a TCP connection
114 
+// must not be called from a TCP notification function
115 
+// this makes the send notification to be called if possible
116 
+extern void TcpSend(unsigned char connNo);
117 
+
118 
+#endif // #ifdef INC_tcp
firmware/timing.c
View file @ e8658d5
... ... 
@@ -0,0 +1,118 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#include <avr/io.h>
7 
+#include <avr/interrupt.h>
8 
+
9 
+#include "arp.h"
10 
+#include "cf.h"
11 
+#include "dhcp.h"
12 
+#include "ip.h"
13 
+#include "random.h"
14 
+#include "rtl8019.h"
15 
+#include "status.h"
16 
+#include "tcp.h"
17 
+#include "timing.h"
18 
+#include "udp.h"
19 
+
20 
+// 2ms tick counter to generate 20ms ticks
21 
+volatile unsigned char Timing2_10 = 0;
22 
+
23 
+// flag set every 20ms to indicate execution of 20ms ticks
24 
+volatile unsigned char Timing20Flag = 0;
25 
+
26 
+// wrapping around 20ms tick counter
27 
+unsigned char Timing20 = 0;
28 
+
29 
+// 20ms tick counter to generate 200ms ticks
30 
+unsigned char Timing20_10 = 0;
31 
+
32 
+// 2ms interrupt (timer 0 compare match)
33 
+SIGNAL(SIG_OUTPUT_COMPARE0)
34 
+{
35 
+  // set flag every 20ms
36 
+  Timing2_10++;
37 
+  if (Timing2_10 >= 10) {
38 
+    Timing2_10 = 0;
39 
+    Timing20Flag = 1;
40 
+  }
41 
+}
42 
+
43 
+// initialize
44 
+void TimingInit(void)   // (extern)
45 
+{
46 
+  // configure timer 0 to 2ms interval
47 
+  TCCR0 = 0 << FOC0 | 1 << WGM01 | 0 << WGM00 | // count to OCR0
48 
+      0 << COM01 | 0 << COM00 | // no waveform generation
49 
+      1 << CS02 | 1 << CS01 | 0 << CS00;        // 1/256 of sysclock (16MHz)
50 
+                                                // -> increment every 16us
51 
+  OCR0 = 124;   // count to 124 -> 2ms interval
52 
+
53 
+  // enable timer 0 compare match interrupt
54 
+  TIMSK |= 1 << OCIE0;
55 
+
56 
+  // configure timer 1 to count cycles
57 
+  TCCR1A = 0 << WGM11 | 0 << WGM10;     // normal mode
58 
+  TCCR1B = 0 << WGM13 | 0 << WGM12 | 0 << CS12 | 0 << CS11 | 1 << CS10; // normal
59 
+                                                                        // mode,
60 
+                                                                        // no
61 
+                                                                        // prescaler
62 
+}
63 
+
64 
+// provide curent time stamp as entropy to random number generator
65 
+void TimingEntropy(void)        // (extern)
66 
+{
67 
+  unsigned short timestamp = TCNT1;
68 
+  RandomProvideEntropy((unsigned char)timestamp);
69 
+  RandomProvideEntropy((unsigned char)(timestamp >> 8));
70 
+}
71 
+
72 
+// provide curent 20ms tick counter as entropy to random number generator
73 
+void Timing20Entropy(void)      // (extern)
74 
+{
75 
+  RandomProvideEntropy(Timing20);
76 
+}
77 
+
78 
+// task function to do the work - call from main loop
79 
+void TimingTask(void)   // (extern)
80 
+{
81 
+  // 20ms not elapsed
82 
+  if (!Timing20Flag)
83 
+    return;
84 
+  Timing20Flag = 0;
85 
+
86 
+  // call 20ms tick functions
87 
+  CfTick20();
88 
+
89 
+  // generate 200ms steps
90 
+  Timing20_10++;
91 
+  if (Timing20_10 >= 10)
92 
+    Timing20_10 = 0;
93 
+
94 
+  // call 200ms tick functions at different times
95 
+  switch (Timing20_10) {
96 
+  case 1:
97 
+    ArpTick200();
98 
+    break;
99 
+  case 3:
100 
+    IpTick200();
101 
+    break;
102 
+  case 5:
103 
+    //RtlTick200();
104 
+    break;
105 
+  case 6:
106 
+    StatusTick200();
107 
+    break;
108 
+  case 7:
109 
+    TcpTick200();
110 
+    break;
111 
+  case 8:
112 
+    UdpTick200();
113 
+    break;
114 
+  case 9:
115 
+    DhcpTick200();
116 
+    break;
117 
+  }
118 
+}
firmware/timing.h
View file @ e8658d5
... ... 
@@ -0,0 +1,21 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#ifndef INC_timing
7 
+#define INC_timing
8 
+
9 
+// initialize
10 
+extern void TimingInit(void);
11 
+
12 
+// provide curent time stamp as entropy to random number generator
13 
+extern void TimingEntropy(void);
14 
+
15 
+// provide curent 20ms tick counter as entropy to random number generator
16 
+extern void Timing20Entropy(void);
17 
+
18 
+// task function to do the work - call from main loop
19 
+extern void TimingTask(void);
20 
+
21 
+#endif // #ifndef INC_timing
firmware/uart.c
View file @ e8658d5
... ... 
@@ -0,0 +1,40 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#include <stdio.h>
7 
+#include <avr/io.h>
8 
+#include <avr/wdt.h>
9 
+
10 
+#include "macros.h"
11 
+#include "uart.h"
12 
+
13 
+#define BAUD_RATE 38400
14 
+
15 
+// initialize
16 
+void UartInit(void)     // (extern)
17 
+{
18 
+  // enable transmission
19 
+  UCSR0B = 1 << TXEN;
20 
+  // set baudrate (16MHz crystal)
21 
+  UBRR0L = 16000000 / (BAUD_RATE * 16L) - 1;
22 
+
23 
+  // set STDOUT to use UartPutchar
24 
+  fdevopen(UartPutchar, NULL);
25 
+}
26 
+
27 
+// write a character
28 
+int UartPutchar(char c, FILE * file)    // (extern)
29 
+{
30 
+  // wait until last character was sent
31 
+  while (bit_is_clear(UCSR0A, UDRE))
32 
+    wdt_reset();
33 
+
34 
+  // send character
35 
+  UDR0 = c;
36 
+
37 
+  return 0;
38 
+
39 
+  file = NULL;  // keep compiler happy
40 
+}
firmware/uart.h
View file @ e8658d5
... ... 
@@ -0,0 +1,15 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#ifndef INC_uart
7 
+#define INC_uart
8 
+
9 
+// initialize
10 
+extern void UartInit(void);
11 
+
12 
+// write a character
13 
+extern int UartPutchar(char c, FILE * file);
14 
+
15 
+#endif // #ifndef INC_uart
firmware/udp.c
View file @ e8658d5
... ... 
@@ -0,0 +1,173 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#include "config.h"
7 
+#include "checksum.h"
8 
+#include "debug.h"
9 
+#include "dhcp.h"
10 
+#include "ethernet.h"
11 
+#include "ip.h"
12 
+#include "macros.h"
13 
+#include "nethelp.h"
14 
+#include "ser62500.h"
15 
+#include "udp.h"
16 
+
17 
+// some kind of "token bucket" for UDP echo
18 
+#define UdpEchoTicks 10 // allowed rate of UDP echo replies (in 200ms steps)
19 
+unsigned char UdpEchoTickCnt = 0;       // tick counter
20 
+#define UdpEchoReliesMax 3      // maximum value for UdpEchoReplies
21 
+unsigned char UdpEchoReplies = 0;       // number of UDP echo replies that
22 
+                                        // may be sent at the moment
23 
+
24 
+// tick procedure - call every 200ms
25 
+void UdpTick200(void)   // (extern)
26 
+{
27 
+  // count ticks
28 
+  UdpEchoTickCnt++;
29 
+  // time to allow one reply more
30 
+  if (UdpEchoTickCnt >= UdpEchoTicks) {
31 
+    UdpEchoTickCnt = 0;
32 
+
33 
+    // increase reply count if not at maximum
34 
+    if (UdpEchoReplies < UdpEchoReliesMax)
35 
+      UdpEchoReplies++;
36 
+  }
37 
+}
38 
+
39 
+// process a received UDP echo packet
40 
+static void UdpEchoRecv(unsigned char *pData, unsigned short Length)
41 
+{
42 
+  struct UdpPacket *pUdpPack;
43 
+
44 
+  // convert pointer to UDP packet
45 
+  // (this saves us from always casting pData)
46 
+  pUdpPack = (struct UdpPacket *)pData;
47 
+
48 
+  // source port is UDP echo port
49 
+  if (pUdpPack->UdpHdr.SrcPort == htons(7))
50 
+    // ignore this packet
51 
+    // - UDP echo answer to another UDP echo port will result in endless
52 
+    // echoing
53 
+    return;
54 
+
55 
+  // only reply with allowed packet rate
56 
+  if (UdpEchoReplies == 0) {
57 
+    debug_udp_printf("echo len=%u (dropped)", Length);
58 
+    return;
59 
+  }
60 
+  UdpEchoReplies--;
61 
+
62 
+  debug_udp_printf("echo len=%u", Length);
63 
+
64 
+  // send an UDP echo
65 
+  // - use same buffer to send reply
66 
+  // - this saves us from allocating a new buffer
67 
+  // - this saves us from copying the data
68 
+  pUdpPack->UdpHdr.DestPort = pUdpPack->UdpHdr.SrcPort; // back to
69 
+                                                        // originationg port
70 
+  pUdpPack->UdpHdr.SrcPort = htons(7);  // UDP echo port
71 
+  ip_cpy(pUdpPack->IpHdr.Dest, pUdpPack->IpHdr.Src);    // back to
72 
+                                                        // originating IP
73 
+  UdpSend(pData, Length);
74 
+}
75 
+
76 
+// process a received UDP packet
77 
+void UdpRecv(unsigned char *pData, unsigned short Length)       // (extern)
78 
+{
79 
+  struct UdpPacket *pUdpPack;
80 
+  unsigned int len;
81 
+
82 
+  // packet too short
83 
+  if (Length < sizeof(struct UdpPacket))
84 
+    return;
85 
+
86 
+  // convert pointer to UDP packet
87 
+  // (this saves us from always casting pData)
88 
+  pUdpPack = (struct UdpPacket *)pData;
89 
+
90 
+  // ignore packets sent from or to port 0
91 
+  // - this might be some attack
92 
+  if (pUdpPack->UdpHdr.SrcPort == htons(0) ||
93 
+      pUdpPack->UdpHdr.DestPort == htons(0))
94 
+    return;
95 
+
96 
+  // check total length
97 
+  len = sizeof(struct EthernetHeader) + sizeof(struct IpHeader) + ntohs(pUdpPack->UdpHdr.Length);       // length
98 
+                                                                                                        // according
99 
+                                                                                                        // to
100 
+                                                                                                        // UDP
101 
+                                                                                                        // header
102 
+  if (Length < len)     // packet is truncated
103 
+    return;
104 
+  Length = len; // remove IP padding from packet (maybe Length > len)
105 
+
106 
+  // test checksum
107 
+  if (Checksum((unsigned char *)&pUdpPack->IpHdr.Src,
108 
+               Length - sizeof(struct EthernetHeader) -
109 
+               sizeof(struct IpHeader) + 8, 0x0011,
110 
+               ntohs(pUdpPack->UdpHdr.Length)) != 0)
111 
+    return;
112 
+
113 
+  debug_udp_printf("recv src=%u dest=%u len=%u",
114 
+                   ntohs(pUdpPack->UdpHdr.SrcPort),
115 
+                   ntohs(pUdpPack->UdpHdr.DestPort), Length);
116 
+
117 
+  // branch according to destination port
118 
+  switch (ntohs(pUdpPack->UdpHdr.DestPort)) {
119 
+    // UDP echo
120 
+  case 7:
121 
+    UdpEchoRecv(pData, Length);
122 
+    break;
123 
+    // DHCP
124 
+  case 68:
125 
+    DhcpRecv(pData, Length);
126 
+    break;
127 
+    // serial output with 62500 baud in 9N2 protocol
128 
+  case 62500:
129 
+    Ser62500Send9N2(pData + sizeof(struct UdpPacket),
130 
+                    Length - sizeof(struct UdpPacket));
131 
+    break;
132 
+  }
133 
+}
134 
+
135 
+// send an UDP packet
136 
+// pData must point to a struct UdpPacket with UdpHdr.SrcPort,
137 
+// UdpHdr.DestPort and IpHdr.Dest already initialized
138 
+void UdpSend(unsigned char *pData, unsigned short Length)       // (extern)
139 
+{
140 
+  struct UdpPacket *pUdpPack;
141 
+  unsigned int chk;
142 
+
143 
+  // packet too short
144 
+  if (Length < sizeof(struct UdpPacket))
145 
+    return;
146 
+
147 
+  // convert pointer to UDP packet
148 
+  // (this saves us from always casting pData)
149 
+  pUdpPack = (struct UdpPacket *)pData;
150 
+
151 
+  debug_udp_printf("send src=%u dest=%u len=%u",
152 
+                   ntohs(pUdpPack->UdpHdr.SrcPort),
153 
+                   ntohs(pUdpPack->UdpHdr.DestPort), Length);
154 
+
155 
+  // fill in header values
156 
+  pUdpPack->UdpHdr.Length =
157 
+      htons(Length - sizeof(struct EthernetHeader) - sizeof(struct IpHeader));
158 
+  pUdpPack->UdpHdr.Chk = 0x0000;
159 
+  ip_cpy(pUdpPack->IpHdr.Src, ConfigIp);        // put IP already here into
160 
+                                                // IP header
161 
+  // because it is needed for calculation of UDP checksum
162 
+
163 
+  // generate checksum
164 
+  chk = Checksum((unsigned char *)&pUdpPack->IpHdr.Src,
165 
+                 Length - sizeof(struct EthernetHeader) -
166 
+                 sizeof(struct IpHeader) + 8, 0x0011,
167 
+                 ntohs(pUdpPack->UdpHdr.Length));
168 
+  pUdpPack->UdpHdr.Chk = htons(chk);
169 
+
170 
+  // send UDP packet
171 
+  pUdpPack->IpHdr.Proto = 0x11; // UDP
172 
+  IpSend(pData, Length);
173 
+}
firmware/udp.h
View file @ e8658d5
... ... 
@@ -0,0 +1,38 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#ifndef INC_udp
7 
+#define INC_udp
8 
+
9 
+#include "ethernet.h"
10 
+#include "ip.h"
11 
+
12 
+// header of an UDP packet
13 
+struct UdpHeader {
14 
+  unsigned int SrcPort;
15 
+  unsigned int DestPort;
16 
+  unsigned int Length;
17 
+  unsigned int Chk;
18 
+};
19 
+
20 
+// an UDP packet
21 
+struct UdpPacket {
22 
+  struct EthernetHeader EthHdr;
23 
+  struct IpHeader IpHdr;
24 
+  struct UdpHeader UdpHdr;
25 
+};
26 
+
27 
+// tick procedure - call every 200ms
28 
+extern void UdpTick200(void);
29 
+
30 
+// process a received UDP packet
31 
+extern void UdpRecv(unsigned char *pData, unsigned short Length);
32 
+
33 
+// send an UDP packet
34 
+// pData must point to a struct UdpPacket with UdpHdr.SrcPort,
35 
+// UdpHdr.DestPort and IpHdr.Dest already initialized
36 
+extern void UdpSend(unsigned char *pData, unsigned short Length);
37 
+
38 
+#endif // #ifdef INC_udp
firmware/xtea.c
View file @ e8658d5
... ... 
@@ -0,0 +1,82 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#include <stdint.h>
7 
+
8 
+#include "xtea.h"
9 
+
10 
+#define delta 0x9E3779B9
11 
+
12 
+// XTEA encrypt a block of 64 bits
13 
+// - this is not block XTEA, it's the basic XTEA algorithm
14 
+static void xtea_enc_block(uint32_t key[4], uint8_t rounds, uint32_t in[2],
15 
+                           uint32_t out[2])
16 
+{
17 
+  uint32_t y, z, sum;
18 
+
19 
+  y = in[0];
20 
+  z = in[1];
21 
+  sum = 0;
22 
+  for (; rounds > 0; rounds--) {
23 
+    y += ((z << 4 ^ z >> 5) + z) ^ (sum + key[sum & 3]);
24 
+    sum += delta;
25 
+    z += ((y << 4 ^ y >> 5) + y) ^ (sum + key[sum >> 11 & 3]);
26 
+  }
27 
+  out[0] = y;
28 
+  out[1] = z;
29 
+}
30 
+
31 
+// XTEA decrypt a block of 64 bits
32 
+// - this is not block XTEA, it's the basic XTEA algorithm
33 
+static void xtea_dec_block(uint32_t key[4], uint8_t rounds, uint32_t in[2],
34 
+                           uint32_t out[2])
35 
+{
36 
+  uint32_t y, z, sum;
37 
+
38 
+  y = in[0];
39 
+  z = in[1];
40 
+  sum = (uint32_t) delta *rounds;
41 
+  for (; rounds > 0; rounds--) {
42 
+    z -= ((y << 4 ^ y >> 5) + y) ^ (sum + key[sum >> 11 & 3]);
43 
+    sum -= delta;
44 
+    y -= ((z << 4 ^ z >> 5) + z) ^ (sum + key[sum & 3]);
45 
+  }
46 
+  out[0] = y;
47 
+  out[1] = z;
48 
+}
49 
+
50 
+// XTEA encryption
51 
+// rounds should be at least 32
52 
+// p_in == p_out is allowed
53 
+// p_prev must be initialized to zero before first call to this function
54 
+void xtea_enc(uint32_t key[4], uint8_t rounds, uint64_t * p_in, uint64_t * p_out, unsigned int block_cnt, uint64_t * p_prev)    // extern
55 
+{
56 
+  uint64_t in, out;
57 
+  unsigned int i;
58 
+
59 
+  for (i = 0; i < block_cnt; i++) {
60 
+    in = p_in[i] ^ *p_prev;
61 
+    xtea_enc_block(key, rounds, (uint32_t *) & in, (uint32_t *) & out);
62 
+    p_out[i] = out;
63 
+    *p_prev = out;
64 
+  }
65 
+}
66 
+
67 
+// XTEA decryption
68 
+// rounds should be at least 32
69 
+// p_in == p_out is allowed
70 
+// p_prev must be initialized to zero before first call to this function
71 
+void xtea_dec(uint32_t key[4], uint8_t rounds, uint64_t * p_in, uint64_t * p_out, unsigned int block_cnt, uint64_t * p_prev)    // extern
72 
+{
73 
+  uint64_t in, out;
74 
+  unsigned int i;
75 
+
76 
+  for (i = 0; i < block_cnt; i++) {
77 
+    in = p_in[i];
78 
+    xtea_dec_block(key, rounds, (uint32_t *) & in, (uint32_t *) & out);
79 
+    p_out[i] = out ^ *p_prev;
80 
+    *p_prev = in;
81 
+  }
82 
+}
firmware/xtea.h
View file @ e8658d5
... ... 
@@ -0,0 +1,27 @@
1 
+/* flaneth - flash and ethernet version 0.2 date 2008-11-08 Copyright (C)
2 
+   2007-2008 Stefan Schuermans <stefan@schuermans.info> Copyleft: GNU public
3 
+   license V2 - http://www.gnu.org/copyleft/gpl.html a BlinkenArea project -
4 
+   http://www.blinkenarea.org/ */
5 
+
6 
+#ifndef INC_xtea
7 
+#define INC_xtea
8 
+
9 
+#include <stdint.h>
10 
+
11 
+// XTEA encryption
12 
+// rounds should be at least 32
13 
+// p_in == p_out is allowed
14 
+// p_prev must be initialized to zero before first call to this function
15 
+extern void xtea_enc(uint32_t key[4], uint8_t rounds, uint64_t * p_in,
16 
+                     uint64_t * p_out, unsigned int block_cnt,
17 
+                     uint64_t * p_prev);
18 
+
19 
+// XTEA decryption
20 
+// rounds should be at least 32
21 
+// p_in == p_out is allowed
22 
+// p_prev must be initialized to zero before first call to this function
23 
+extern void xtea_dec(uint32_t key[4], uint8_t rounds, uint64_t * p_in,
24 
+                     uint64_t * p_out, unsigned int block_cnt,
25 
+                     uint64_t * p_prev);
26 
+
27 
+#endif // #ifndef INC_xtea
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