流水灯，它不闪烁啊啊啊
代码如下#include "reg51.h"sbit P0_0 = P0^0;
sbit P0_1 = P0^1;
sbit P0_2 = P0^2;
sbit P0_3 = P0^3;
sbit P0_4 = P0^4;
sbit P0_5 = P0^5;
sbit P0_6 = P0^6;
sbit P0_7 = P0^7;
void delay(int time);
void delay(int time)
{
int i=0;
for(i=time;i>0;i--);
}
void int0() interrupt 0
{
int i;
for(i = 0; i < 3; i ++)
{
P0_0 = 0;
delay(10000000000);
P0_0 = 1;
P0_1 = 0;
delay(10000000000);
P0_1 = 1;
P0_2 = 0;
delay(10000000000);
P0_2 = 1;
P0_3 = 0;
delay(10000000000);
P0_3 = 1;
P0_4 = 0;
delay(10000000000);
P0_4 = 1;
P0_5 = 0;
delay(10000000000);
P0_5 = 1;
P0_6 = 0;
delay(10000000000);
P0_6 = 1;
P0_7 = 0;
delay(10000000000);
P0_7 = 1;
}
}
void int1() interrupt 1
{
int i;
for(i = 0; i < 3; i ++)
{
P0_7 = 0;
delay(10000000000);
P0_7 = 1;
P0_6 = 0;
delay(10000000000);
P0_6 = 1;
P0_5 = 0;
delay(10000000000);
P0_5 = 1;
P0_4 = 0;
delay(10000000000);
P0_4 = 1;
P0_3 = 0;
delay(10000000000);
P0_3 = 1;
P0_2 = 0;
delay(10000000000);
P0_2 = 1;
P0_1 = 0;
delay(10000000000);
P0_1 = 1;
P0_0 = 0;
delay(10000000000);
P0_0 = 1;
}
}
int main()
{
IT0 = 1;
IT1 = 1;
EX0 = 1;
EA = 1;
while(1)
{
P0_0 = 0;
P0_1 = 0;
P0_2 = 0;
P0_3 = 0;
P0_4 = 0;
P0_5 = 0;
P0_6 = 0;
P0_7 = 0;
delay(10000000000);
P0_0 = 1;
P0_1 = 1;
P0_2 = 1;
P0_3 = 1;
P0_4 = 1;
P0_5 = 1;
P0_6 = 1;
P0_7 = 1;
}
}
本帖最后由 小伤口 于 2022-10-15 18:53 编辑
EX1 = 1;//INT1中断允许
EA = 1;//全局中断打开
IT1 = 1;//触发方式为下降沿触发
打开外部中断1应该是interrupt 2
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