interrupt.c

s3c2440裸机程序源码

#include "s3c24xx.h"

void Timer0_Handle(void)
{
    /*
     * 每次中断令4个LED改变状态
     */
    if(INTOFFSET == 10)
    {
        GPBDAT = ~(GPBDAT & (0xf << 5));
    }
    //清中断
    SRCPND = 1 << INTOFFSET;
    INTPND = INTPND;     
}