File: debugio.c

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/*
 *  $Id$
 */

#include <stdio.h>

#include "debugio.h"
#include <avr/interrupt.h>

/*
 *  DEBUG_OUT_PORT  - -W0x20,/dev/stderr 
 *  DEBUG_IN_PORT   - -R0x22,/dev/stderr 
 */
#define DEBUG_OUT_PORT (*( (volatile char *)0x20))
#define DEBUG_IN_PORT (*( (volatile char *)0x22))

int debug_putchar(char c, FILE *stream)
{
  DEBUG_OUT_PORT = c;

  if (c == '\n')
    debug_putchar('\r', stream);
  return 0;
}

int debug_getchar(FILE *stream)
{
  return DEBUG_IN_PORT;
}

FILE debug_str =
  FDEV_SETUP_STREAM(debug_putchar, debug_getchar, _FDEV_SETUP_RW);

/*
 *  Initialize whatever we have to
 */
void debugio_init(void)
{
}