main.c

周立功的EASYARM2131的测试程序

/****************************************Copyright (c)**************************************************
**                               Guangzou ZLG-MCU Development Co.,LTD.
**                                      graduate school
**                                 http://www.zlgmcu.com
**
**--------------File Info-------------------------------------------------------------------------------
** File name:			main.c
** Last modified Date:  2004-09-16
** Last Version:		1.0
** Descriptions:		The main() function example template
**
**------------------------------------------------------------------------------------------------------
** Created by:			Chenmingji
** Created date:		2004-09-16
** Version:				1.0
** Descriptions:		The original version
**
**------------------------------------------------------------------------------------------------------
** Modified by:
** Modified date:
** Version:
** Descriptions:
**
*******************************************************************************************************/
#include "config.h"

#define BEEP 1 << 7

void __irq PWM_Int(void)
{
	PWMIR = 0x01 ;
	if((IO0SET & BEEP) == 0) 
		IO0SET = BEEP ;
	else
		IO0CLR = BEEP ;
	VICVectAddr = 0x00 ;
}

int main (void)
{// add user source code 
	
	
	PINSEL0 = 0x00000000 ;
	IO0DIR = BEEP;
	IO0SET = BEEP ;
	IRQEnable();
	PWMTC = 0 ;
	
	PWMPR = 0x00 ;
	
	PWMMCR = 0x03 ;
		
    PWMMR0 = Fpclk / 2 ;
	//PWMMR2 = PWMMR0 * 5/ 10;
	//PWMLER = 0x05 ;
	PWMTCR = 0x01 ;
	VICIntSelect = 0x00000000 ; 
	VICVectCntl0 = 0x20 | 8;
	VICVectAddr0 = (int32)PWM_Int;
	VICIntEnable = 1 << 8 ;
	 
	
	while(1) ;
	

    return 0;
}
/*********************************************************************************************************
**                            End Of File
********************************************************************************************************/