mips_sys

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/* MIPS I system
 * Copyright 2011-2012 Stefan Schuermans <stefan@blinkenarea.org>
 * Copyleft GNU public license V2 or later
 *          http://www.gnu.org/copyleft/gpl.html
 */
#include "uart.h"
static volatile unsigned char *const uart_ptr =
  (volatile unsigned char *)0x80000300;
/**
 * @brief configure baudrate scaler
 * @param[in] scale baudrate scaler (1 = 7.143 Mhz)
 */
void uart_cfg_scale(unsigned short scale)
{
  *(unsigned short *)(uart_ptr + 0) = scale;
}
/**
 * @brief configure number of data bits
 * @param[in] bits number of data bits
 */
void uart_cfg_bits(unsigned char bits)
{
  *(uart_ptr + 2) = bits;
}
/**
 * @brief configure number of stop bits
 * @param[in] stop number of stop bits
 */
void uart_cfg_stop(unsigned char stop)
{
  *(uart_ptr + 3) = stop;
}
/**
 * @brief check if transmitting a character is possible
 * @return if transmitting a character is possible
 */
int uart_can_tx(void)
{
  return *(uart_ptr + 4);
}
/**
 * @brief transmit a character
 * @param[in] chr character to transmit
 */
 
 
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