Question

仿真软件中如何用8x8LED点阵显示数字？

Answer 1

8x8LED点阵显示数字

#include<reg51.h>

#include<intrins.h>

#define uchar unsigned char

#define uint unsigned int

uchar code Table_OF_Digits[]=

{

 0x00,0x3E,0x41,0x41,0x41,0x3E,0x00,0x00,

 0x00,0x00,0x00,0x21,0x7F,0x01,0x00,0x00,

 0x00,0x27,0x45,0x45,0x45,0x39,0x00,0x00,

 0x00,0x22,0x49,0x49,0x49,0x36,0x00,0x00,

 0x00,0x0C,0x14,0x24,0x7F,0x04,0x00,0x00,

 0x00,0x72,0x51,0x51,0x51,0x4E,0x00,0x00,

 0x00,0x3E,0x49,0x49,0x49,0x26,0x00,0x00,

 0x00,0x40,0x40,0x40,0x4F,0x70,0x00,0x00,

 0x00,0x36,0x49,0x49,0x49,0x36,0x00,0x00,

 0x00,0x32,0x49,0x49,0x49,0x3E,0x00,0x00,

};

uchar i=0,t=0,Num_Index=0;

void main()

{

 P3=0x80;

 Num_Index=0;

 TMOD=0x00;

 TH0=(8192-2000)/32;

 TL0=(8192-2000)%32;

 TR0=1;

 IE=0x82;

 while(1);

}

void LED_Screen_Display() interrupt 1

{

 TH0=(8192-2000)/32;

 TL0=(8192-2000)%32;

 P3=_crol_(P3,1);

 P0=~Table_OF_Digits[Num_Index*8+i];

 if(++i==8)

 i=0;

 if(++t==250)

  {

   t=0x00;

       if(++Num_Index==10)

       Num_Index=0;

  }

}