#包含“reg52.h”
#包含“intrins.h”
sbit led1=p2^0;
sbit led2=p2^1;
sbit led3=p2^2;//led燈
sbit ring=p2^3;//蜂鳴器
void delay 1000 ms()//@ 11.0592 MHz
{
無符號字符I,j,k;
_ nop _();
_ nop _();
i = 43
j = 6;
k = 203
做
{
做
{
while(-k);
} while(-j);
} while(-I);
}
void main(){
led 1 = 0;led 2 = 0;led 3 = 0;//初始化為零
//我們開始吧
轉到B:
答:while(1){;}//運行壹次程序後執行無限循環。
乙:
led 1 = 1;delay 1000 ms();led 1 = 0;
led 2 = 1;delay 1000 ms();led 2 = 0;
led 3 = 1;delay 1000 ms();led 3 = 0;//流水燈
ring = 1;delay 1000 ms();響鈴= 0;
ring = 1;delay 1000 ms();響鈴= 0;
ring = 1;delay 1000 ms();響鈴= 0;//嗡嗡聲
轉到A;//跳轉到死循環的執行
}