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 delay(uint32 dly)
{
	uint32 i ;
 	for(; dly > 0 ; dly --)
		for( i = 0 ; i < 50000 ; i++);
} 

void __irq RTC_Int()
{
	if((IO0SET & BEEP) == 0)
		IO0SET = BEEP;
	else
		IO0CLR = BEEP ;
	ILR = 0x03 ;
	VICVectAddr = 0; 
}

int main (void)
{// add user source code 
	IO0DIR = BEEP;
	IO0SET = BEEP;
	/*IRQEnable();
	PREINT = Fpclk / 32768 - 1 ;
	PREFRAC = Fpclk - (Fpclk / 32768) * 32768 ;*/
	CIIR = 0x01 ;
	ILR = 0x03 ;
	CCR = 0x012;
	CCR = 0x011;
	INTWAKE = 1 << 15 ;
	/*VICIntSelect = 0x00 ;
	VICVectCntl0 = 0x20 | 13 ;
	VICVectAddr0 = (int32) RTC_Int;
	VICIntEnable = 1 << 13 ;*/
	while(1)
	{
		PCON = 0x02 ;
		ILR = 0x01 ;
		if((IO0SET & BEEP) == 0)
			IO0SET = BEEP;
		else
			IO0CLR = BEEP ;
	}
	
    return 0;
}
/*********************************************************************************************************
**                            End Of File
********************************************************************************************************/