数码管显示程序

ID:107114 · 发表于 2016-3-18 12:51

#include<reg51.h>
void Delay( unsigned int i)
{ unsigned int j,k;
for(j=0;j<i;j++)
for(k=0;k<2500;k++);
}
void main()
{
while(50)
{P2=0xfe;
P1=0x6d;
  Delay(50);
P2=0xfd;
P1=0x79;
Delay(50);
  P2=0xfb;
  P1=0x33;
Delay(50);
  P2=0xf7;
  P1=0x5b;
  Delay(50);
  P2=0xfe;
P1=0x5f;
Delay(50);
P2=0xfd;
P1=0x70;
Delay(50);
  P2=0xfb;
  P1=0x7f;
  Delay(50); P2=0xf7; P1=0xfb;  Delay(50);
  }
}