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 LED1   1 << 18 
#define KEY1   1 << 16
#define KEY2   1 << 17 
#define BEEP   1 << 7
#define WDT    0

void __irq WDT_Int()
{
	uint32 i;
	IO0CLR = BEEP ;
	for(i=0;i<0x7ffff ; i++);
	IO0SET = BEEP ;
	WDMOD = 0x00 ;
	VICIntEnClr = 1 << WDT ;
	VICVectAddr = 0x00;
	
} 


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

int main (void)
{// add user source code 
	uint32 i,j;
	PINSEL0 = 0x00000000 ;
	PINSEL2 = PINSEL2 & (~0x08);
	IO0DIR = BEEP ;
	IO1DIR = LED1 ;
	IO0SET = BEEP ;
	
	IRQEnable();
	VICIntSelect = 0x00000000 ;
	VICVectCntl0 = 0x20 | WDT ;
	VICVectAddr0 = (int32) WDT_Int;
	WDMOD = 0x00;
	VICIntEnable = 1 << WDT ;

	
	WDTC = 0xFF000 ;
	WDMOD = 0x01 ;
	WDFEED = 0xAA ;
	WDFEED = 0x55;
	while(1)
	{
		while((IO0PIN & KEY1) == 0) ;
		for(j=0 ; j<0xFF ; j++)
		{
			for(i=0;i<0x0FFF;i++) ;
			WDFEED = 0xAA;
			WDFEED = 0x55;
			
		}
		if((IO1SET & LED1)==0)
			IO1SET = LED1;
		else
			IO1CLR = LED1;
	}
    return 0;
}
/*********************************************************************************************************
**                            End Of File
********************************************************************************************************/