int.c

整板测试源程序

#include <avr/io.h>
#include <avr/interrupt.h>

void init_int(void)
{
	PORTD |= (1 << PD2)|(1 << PD3);
	DDRD &= ~(1 << PD2)&~(1 << PD3);
	
	MCUCR |= (1 << ISC11)|(1 << ISC00)|(1 << ISC01);//INT1下降沿触发，INT0上升沿触发
	GICR |= (1 << INT0)|(1 << INT1);//使能INT0,INT1
}