流水灯

ID:804059 · 发表于 2020-7-16 09:45

keil源代码
#include<reg52.h>
typedef unsigned char u8;
typedef unsigned int u16;
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;
void delay(u16 i)
{
while(i--);
}
void main()
{
while(1)
{
  led1=0;
  delay(50000);
  led1=1;
  led2=0;
  delay(50000);
  led2=1;
  led3=0;
  delay(50000);
  led3=1;
  led4=0;
  delay(50000);
  led4=1;
  led5=0;
  delay(50000);
  led5=1;
  led6=0;
  delay(50000);
  led6=1;
  led7=0;
  delay(50000);
  led7=1;
  led8=0;
  delay(50000);
  led8=1;
}
}

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