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Archive original 单片机 course files
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#include<reg52.h>
sbit LED1 = P2^0;
sbit LED2 = P2^1;
sbit LED3 = P2^2;
sbit LED4 = P2^3;
sbit LED5 = P2^4;
sbit LED6 = P2^5;
sbit LED7 = P2^6;
sbit LED8 = P2^7;
unsigned char i;
void main(){
TMOD = 0x01;//T0 fangshi 1 dingshi
TR0 = 1;//qidong
i = 10;
P2 = 0xF0;
while(1){
TH0 = 15536/256;//gaobawei chuzhi
TL0 = 15536%256;//dibawei chuzhi
while(TF0 == 0);//waiting for yichu
TF0 = 0;//TF ruanjianqingling
i--;//yigezhouqishi 100ms xitongshizhong 6MHZ
if (i==0){
P2 = ~P2;//qufan
i = 10;
}
}
}