#include<iom16v.h>
#pragma interrupt_handler cwy:2
void cwy(void)
{
PORTA=~PORTA;
}
void delay(unsigned int ms)
{
unsigned int x,y;
for(x=0;x<ms;x++)
{
for(y=0;y<1141;y++);
}
}
void main(void)
{
DDRA=0X00;
PORTA=0XFF;
PORTA=0x00;
DDRA=0xff;
GICR=0x40;
MCUCR=0x02;
MCUCSR=0x00;
GIFR=0x40;
SREG|=0x80;
while(1)
{
PORTA=~PORTA;
delay(3000);
}
}
int0改int1端口 貌似很简单 但看课本没看懂 求大神解答
