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 IRQ_Timer0(void)
{
	if((IO0SET & BEEP) == 0) 
 		IO0SET = BEEP ;
 	else
 		IO0CLR = BEEP ;	
 	T0IR = 0x01;
 	VICVectAddr = 0x00;
}

int main (void)
{// add user source code 
 	PINSEL0 = 0x00000000;
 	IO0DIR = BEEP ;
 	
 	IRQEnable();
 	
 	VICIntSelect = 0x00 ;
 	VICVectCntl0 = 0x20 | 0x04;
 	VICVectAddr0 = (uint32)IRQ_Timer0 ;
 	VICIntEnable = 1 << 0x04;
 	 	
 	T0TC = 0;
 	T0PR = 0 ;
 	T0MCR = 0x03;
 	T0MR0 = Fpclk / 2;
 	T0TCR = 0x01;
 	
 	
 	
 	while(1)
 	{
 		/*while((T0IR & 0x01) == 0) ;
 		T0IR = 0x01;
 		if((IO0SET & BEEP) == 0) 
 			IO0SET = BEEP ;
 		else
 			IO0CLR = BEEP ;*/
 		;
 	}
    return 0;
}
/*********************************************************************************************************
**                            End Of File
********************************************************************************************************/