51单片机显示六位学号

ID:438101 · 发表于 2018-12-3 09:46

#include <reg52.h>
#define uchar unsigned char
#define uint unsigned int
sbit dula=P2^6;
sbit wela=P2^7;
void delay(uint);
uint temp;
uint ge;
uint shi;
uint bai;
uint qian;
uint wan;
uint shiwan;
uchar code table[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};
void main ()
{ temp=720068;
while(1)
{
  shi=(temp%100)/10;
  ge=temp%10;
  bai=(temp%1000)/100;
  qian=(temp%10000)/1000;
   dula=1;
   P0=table[shiwan];
   dula=0;
  P0=0xff;
   wela=1;
   P0=0xfe;
   wela=0;
  delay(3);
  dula=1;
  P0=table[wan];
  dula=0;
  P0=0xff;
  wela=1;
  P0=0xfd;
  wela=0;
  delay(3);
  dula=1;
  P0=table[qian];
  dula=0;
  P0=0xff;
  wela=1;
  P0=0xfa;
  wela=0;
  delay(3);
  dula=1;
  P0=table[bai];
  dula=0;
  P0=0xff;
  wela=1;
  P0=0xf7;
  wela=0;
  delay(3);
  dula=1;
  P0=table[shi];
   dula=0;
  P0=0xff;
   wela=1;
   P0=0xef;
   wela=0;
  delay(3);
  dula=1;
  P0=table[ge];
   dula=0;
  P0=0xff;
   wela=1;
   P0=0xdf;
   wela=0;
  delay(3);
  dula=1;
  }
}
void delay(uint z)
{
  uint x,y;
  for(x=z;x>0;x--)
for(y=110;y>0;y--);
  }

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