成功静态单个数码管变化.c

数码管显示

#include<reg51.h>
#define uint unsigned int 
#define uchar unsigned char 
uchar count,dunum; 

uchar code tabledu[]=
{
0xc0,0xf9,0xa4,0xb0,
0x99,0x92,0x82,0xf8,
0x80,0x90
};


display();

void main()
{
  EA=1;
  ET1=1;
  TMOD=0x10;
  TH1=(65536-50000)/256;
  TL1=(65536-50000)%256;
  TR1=1;
  P2=0x00;
  while(1)
  {
	if(count==20)
	{
	  count=0;
	  if(dunum==10)
	  dunum=0;
	  display();
	  dunum++;
	 }
  }


}

void tim1() interrupt 3 
{
  TH1=(65536-50000)/256;
  TL1=(65536-50000)%256;
  count++;
}


display()
{		 
 P2=0x01;
 P0=tabledu[dunum];
}