beep.h

EBD7312 蜂鸣器驱动 STD调试代码

/*
 * $Id: beep.h,v 1.2 2003/08/29 03:13:14 casic Exp $
 *
 * beep.h : beep 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 _BEEP_H
#define _BEEP_H

#define	SYSCON1		*(unsigned long*)0x80000100
#define	SYSCON2		*(unsigned long*)0x80001100

#define BUZFREQ		(0x1<<14)

void wait(int time);	/* time delay */
void beep_on(void);	/* turn on the beep */
void beep_off(void);	/* turn off the beep */

#endif /* _BEEP_H */