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標題: 8*8LED矩陣滾動顯示數字和字符 [打印本頁]

作者: zhxiufan 時間: 2018-1-16 08:39
標題: 8*8LED矩陣滾動顯示數字和字符
//-------------------------------------------
//8*8矩陣循環顯示字符和數字
//顯示字符串在數組disstr[]中申明
//-------------------------------------------
#include<reg51.h>
#include<intrins.h>
#include<string.h>
#include<absacc.h>
#define uchar unsigned char
#define uint unsigned int
//--------------------------------------------
//X向字模
//--------------------------------------------
uchar code Table_of_Digits[40][8]=
{
{0x00,0x3e,0x41,0x41,0x41,0x3e,0x00,0x00},//0
{0x00,0x00,0x00,0x21,0x7f,0x01,0x00,0x00},//1
{0x00,0x27,0x45,0x45,0x45,0x39,0x00,0x00},//2
{0x00,0x22,0x49,0x49,0x49,0x36,0x00,0x00},//3
{0x00,0x0c,0x14,0x24,0x7f,0x04,0x00,0x00},//4
{0x00,0x72,0x51,0x51,0x51,0x4e,0x00,0x00},//5
{0x00,0x3e,0x49,0x49,0x49,0x26,0x00,0x00},//6
{0x00,0x40,0x40,0x40,0x4f,0x70,0x00,0x00},//7
{0x00,0x36,0x49,0x49,0x49,0x36,0x00,0x00},//8
{0x00,0x32,0x49,0x49,0x49,0x3e,0x00,0x00},//9
{0x00,0x3E,0x48,0x48,0x48,0x3E,0x00,0x00},//A
{0x00,0x00,0x7E,0x52,0x5A,0x6E,0x00,0x00},//B
{0x00,0x00,0x3C,0x42,0x42,0x24,0x00,0x00},//C
{0x00,0x00,0x7E,0x42,0x42,0x3C,0x00,0x00},//D
{0x00,0x00,0x7E,0x52,0x52,0x52,0x00,0x00},//E
{0x00,0x00,0x7E,0x50,0x50,0x40,0x00,0x00},//F
{0x00,0x3C,0x42,0x42,0x4A,0x2E,0x00,0x00},//G
{0x00,0x00,0x7E,0x10,0x10,0x7E,0x00,0x00},//H
{0x00,0x00,0x00,0x7E,0x00,0x00,0x00,0x00},//I
{0x00,0x00,0x0C,0x02,0x02,0x7C,0x00,0x00},//J
{0x00,0x00,0x7F,0x08,0x14,0x22,0x00,0x00},//K
{0x00,0x00,0x7E,0x02,0x02,0x02,0x00,0x00},//L
{0x00,0x7E,0x20,0x10,0x20,0x7E,0x00,0x00},//M
{0x00,0x00,0x7E,0x30,0x08,0x06,0x7E,0x00},//N
{0x00,0x3C,0x42,0x42,0x42,0x42,0x3C,0x00},//O
{0x00,0x00,0x7E,0x48,0x48,0x70,0x00,0x00},//P
{0x00,0x3C,0x42,0x46,0x43,0x3C,0x00,0x00},//Q
{0x00,0x00,0x7E,0x58,0x5C,0x72,0x00,0x00},//R
{0x00,0x00,0x64,0x92,0x92,0x4C,0x00,0x00},//S
{0x00,0x40,0x40,0x7E,0x40,0x40,0x00,0x00},//T
{0x00,0x00,0x7C,0x02,0x02,0x7C,0x00,0x00},//U
{0x00,0x00,0x60,0x18,0x06,0x18,0x60,0x00},//V
{0x00,0x7E,0x0C,0x18,0x0C,0x7E,0x00,0x00},//W
{0x00,0x42,0x24,0x18,0x18,0x24,0x42,0x00},//X
{0x00,0x40,0x20,0x1E,0x20,0x40,0x00,0x00},//Y
{0x00,0X00,0x46,0x5A,0x72,0x42,0x00,0x00},//Z
};
//---------------------------------------
uchar code xdat[8]={0x80,0x40,0x20,0x10,0x08,0x04,0x02,0x01};
uchar code ydat[8]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80};
//---------------------------------------
uchar i=0;
uchar j=0;
uchar t=0;
uchar Num_Index,disnum,disnum1;
uchar key;
uchar xi;
uchar yi;
uint  len; //顯示的字符串長度
uchar buffer[16];
//---------------------------------------
uchar code disstr[]="ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";    //顯示內容自己可以任意定義，注意只能是大些字母和數字
//---------------------------------------
#define wei XBYTE[0xa000]
sbit dat=P1^1;
sbit clk=P1^0;
sbit ls0=P2^4;
sbit ls1=P2^5;
sbit ls2=P2^6;
sbit ls3=P2^7;
//---------------------------------------
//用74LS164來輸出一個8位的數據，
//點亮相應的LED
//---------------------------------------
void sendbyte(uchar byte)
{
uchar num,c;
num=byte;
for(c=0;c<8;c++)
{
  clk=0;
  dat=num&0x01; //每一位的輸出
  clk=1;                //每一次上升沿，輸出一位數據
  num>>=1;          //右移位賦值，以供下一位的輸出
}
}

//---------------------------------------
//主程序
//---------------------------------------
void main()
{
Num_Index=0; //從0 開始顯示
TMOD=0x01; //T0 方式0
TH0=(65536-2000)/256; //2ms 定時
TL0=(65536-2000)%256;
IE=0x82;
key=0;
xi=0;
yi=0;
TR0=1; //啟動T0
len=strlen(disstr);
while(1);
}
//---------------------------------------
//定時器0 中斷函數
//顯示控制
//---------------------------------------
void LED_Screen_Display() interrupt 1
{
uchar m,n;
TH0=(65536-2000)/256; //2ms 定時
TL0=(65536-2000)%256;
   if(i==0)
   {
   if(disstr[Num_Index]>='A')disnum=disstr[Num_Index]-'A'+10;    //求顯示字符在字庫中的位置
   else disnum=disstr[Num_Index]-'0';
   if(disstr[Num_Index+1]>='A')disnum1=disstr[Num_Index+1]-'A'+10; //連續取兩個賦給緩沖器，便于滾動顯示
   else disnum1=disstr[Num_Index+1]-'0';
   for(m=0;m<8;m++)buffer[m]=Table_of_Digits[disnum][m];    //給顯示緩沖區賦值
   for(m=0;m<8;m++)buffer[m+8]=Table_of_Digits[disnum1][m];
   }
   P0=0xff;
   P2=0xa0;
   P0=~buffer[i+n];
   P2=0x00;
   sendbyte(xdat[n]);
   if(++n==8) n=0; //每屏一個數字由8 個字節構成
   if(++t>=60) //每個數字刷新顯示一段時間
   {
   i++;i%=8;
   t=0;
   if(i==0)
     {
Num_Index++;
if(Num_Index>=(len-1))Num_Index=0;  //顯示下一個數字
     }
}
}

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8*8LED仿真

作者: 來飛翔吧 時間: 2018-10-29 21:26
謝謝分享！學習了。

作者: wry145 時間: 2019-12-6 15:24
謝謝分享了。

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