This repository has been archived on 2024-01-06. You can view files and clone it, but cannot push or open issues or pull requests.
justhomework/MCU/MCU_2 _External_Interrupt/main.c
2022-03-24 22:35:27 +08:00

55 lines
673 B
C

#include <reg52.h>
#include <intrins.h>
#include "led_mum.h"
#include "delay.h"
unsigned char var1 = 0xfe;
unsigned char move_flag = 0;
void move()
{
var1 = _crol_(var1, 1);
P1 = var1;
}
void int0() interrupt 0
{
IE0 = 0;
delay(40);
IE0 = 0;
move_flag = 1;
}
int main()
{
//P1 ÅÜÂíµÆ
//P0 ѡλ µÍµçƽÁÁ
//P2 Âë µÍµçƽÁÁ
EA = 1;
IT0 = 1;
EX0 = 1;
while(1)
{
if(move_flag)
{
move();
hello_push();
// num_push();
move_flag=0;
}
// num_display();
hello_display();
// hello_full_display();
// P2= var1;
// longdelay();
// P2=0XFF;
// delay(2000);
// P2 = 0x00;
}
}