debug.c

at51系列单片机编程源码

/* ----------------------------------------------------------------------------
 * debug.c
 * this module contains debugging functions
 *
 * Copyright 2003/2004
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version
 * 2 of the License, or (at your option) any later version.
 * ----------------------------------------------------------------------------*/
#ifdef DEBUG
#include <stdio.h>
#include <unistd.h>
#include "isp-at89.h"

#define dbg_index_max 150
unsigned int dbg_index;
char dbg_reset[dbg_index_max];
char dbg_miso[dbg_index_max];
char dbg_mosi[dbg_index_max];
char dbg_sck[dbg_index_max];

void
debug_resetbuffer()
{
	int i;
	dbg_index = 0;
	for (i=0; i < dbg_index_max; i++) {
		dbg_miso[i] = dbg_mosi[i] = dbg_sck[i] = dbg_reset[i] = 0;
	}
}

void
debug_adddata(unsigned char data, unsigned char status)
{
	dbg_reset[dbg_index] = (data & RESET) ? '-' : '_';
	dbg_sck[dbg_index] = (data & SCK) ? '-' : '_';
	dbg_mosi[dbg_index] = (data & MOSI) ? '-' : '_';
	dbg_miso[dbg_index] = ((status >> MISO_BIT) && 1) ? '-' : '_';
	dbg_index++;
	dbg_miso[dbg_index] = dbg_mosi[dbg_index] = dbg_sck[dbg_index] = dbg_reset[dbg_index]= 0;
}

void
debug_printbuffer(int result)
{
	printf("\nRESET: _%s_\nSCK  : _%s_\nMOSI : _%s_\nMISO : _%s_ %06x\n\n", dbg_reset, dbg_sck, dbg_mosi, dbg_miso, result);
}
#endif