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led燈
程序
/* Main.c file generated by New Project wizard
*
* Created: 周三 3月 18 2020
* Processor: 80C51
* Compiler: Keil for 8051
*/
#include <reg51.h>
#include <stdio.h>
void delay(unsigned int time);
#define led1 P0
#define led2 P2
void main()
{
// Write your code here
int i;
while (1){
led1=0x01;
delay(600);
for(i=0;i<8;i++)
{
led1=(led1<<1);
delay(600);
}
led1=0x00;
led2=0x01;
delay(200);
for(i=0;i<8;i++)
{
led2=(led2<<1);
delay(600);
}
led2=0x00;
}
}
void delay(unsigned int time){
int j=0, i=0;
for(i;i<125;i++){
for(j;j<25;j++){
}
}
}
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