adda.c

来自「uC/OS-II在EP7312微处理器的移植源程序」· C语言 代码 · 共 58 行

/*
 * $Id: adda.c,v 1.2 2003/08/29 03:13:15 casic Exp $
 *
 * adda.c : DAC & ADC
 *
 * Copyright (C) 2003 ynding ( [e-mail] )
 *
 * 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.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#include "dac.h"
#include "adc.h"
#include "wait.h"

/* first dac, then dac, which convert the result of dac to data */
void adda_sample(unsigned char* buf, int count)
{
	int i = 0;

	for ( i=0;i<50;++i ) {

		dac(wave[TRIANGLE][i%12]);

		wait(1);

		buf[i] = adc();

		wait(2);
	}

	return;
}

/* backup datas */
void backup_data(unsigned char* dest, unsigned char* src, int count)
{
	int i = 0;

	for ( i=0;i<count;++i ) {
		dest[i] = src[i];
	}

	return;
}