main.c

某培训中心的实验代码

#include "2410lib.h"
#include "2410addr.h"
//K1->EINT0
void __irq Eint0Handler();



int Main()
{
	
             
     ChangeClockDivider(1,1);
     ChangeMPllValue(0xa1,0x3,0x1);   
     Port_Init();
     Uart_Select(0);
     Uart_Init(0,115200);
        
	rGPFCON=(rGPFCON|0x03)&0xFFFFFFFE;//GPF0设置为EINT0
    rGPFUP|=0x01;   //disable GPF0 pull up
	
	//设置GPE11为输出0
	rGPECON=(rGPECON|0xC00000)&0xFF7FFFFF;
	rGPEUP|=0x800;
	rGPEDAT&=0xF7FF;
	
	rEXTINT0 &= ~(7);	
	rEXTINT0 |=  (2);	//set eint0 falling edge int
    
    pISR_EINT0=(unsigned)Eint0Handler;
    EnableIrq(BIT_EINT0);//开中断
    while(1)
    {     
    Uart_Printf("the main is running\n");
    Delay(500);
         
    }
     
}