dac.h

uC/OS-II在EP7312微处理器的移植源程序

/*
 * $Id: dac.h,v 1.3 2003/08/29 09:20:10 ynding Exp $
 *
 * dac.h : dac driver
 *
 * 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
 *
 */

#ifndef _DAC_H
#define _DAC_H

#define DAC_ADDR	*(volatile unsigned short*)0x28000000

#define INTMR1	*(volatile unsigned int*)0x80000280
#define INTSR1	*(volatile unsigned int*)0x80000240
#define SYSCON1	*(volatile unsigned int*)0x80000100
#define TC1EOI	*(volatile unsigned int*)0x800006c0
#define TC1DATA	*(volatile unsigned short*)0x80000300



/*define Pi*/
#define pi		3.1415

void dealy(int msnum);	/* time delay */
void dac_init(void);		/* DA init */
void timer1_init(void);
unsigned short generate_sine(double range,double freq); /* generate wave */
void plot_sin(unsigned short);
unsigned short generate_square(double range,double freq); /* generate wave */
void plot_square(unsigned short);


#endif /* _DAC_H */