外部中断也称为 》？？

#include<LPC213X&#46;H>#define LED  0X01void __irq WaiBuZhongDuan(void){ if((IO0SET&LED)==0) IO0SET=LED; else IO0CLR=LED;     while((EXTINT&0X01)!=0) EXTINT=0X01;   VICVectAddr=0;   }int main(void){ PINSEL1=0X1;     IO0DIR=LED;     EXTMODE=0X01;    IO0SET=LED;    //点亮  VICDefVectAddr=(int)WaiBuZhongDuan; VICIntEnable=1<<0x0e;    while(1) ;}