單片機6位數(shù)碼管顯示程序

ID:114509 · 發(fā)表于 2022-1-14 21:15

#define GPIO_DIG P0 //數(shù)碼管 P0 端口

//位定義
sbit DU = P2^6;  //段選控制
sbit WU = P2^7;  //位選控制

unsigned char code ledDX[]=
{
      //數(shù)碼管段碼
      0x3f, // 0
      0x06, // 1
      0x5b, // 2
      0x4f, // 3
      0x66, // 4
      0x6d, // 5
      0x7d, // 6
      0x07, // 7
      0x7f, // 8
      0x6f, // 9
      0x77, // A
      0x7c, // B
      0x39, // C
      0x5e, // D
      0x79, // E
      0x71, // F
      0x76, // H
      0x38, // L
      0x37, // n
      0x3E, // u
      0x73, // P
      0x5C, // O
      0x40, // -
      0x00 // 熄滅
};

unsigned char code ledWX[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf};//數(shù)碼管位選

void LED_display(unsigned char dx,unsigned char wx)
{
      GPIO_DIG = ledWX[wx];//送位碼
      WU = 1;
      WU = 0;//鎖住位碼

      GPIO_DIG = ledDX[dx];//送段碼
      DU = 1;
      DU = 0;//鎖住段碼

      delay_ms(2);//延時一會

      GPIO_DIG = 0x00;//消影
      DU = 1;
      DU = 0;
}

ID:114509 · 發(fā)表于 2022-3-16 20:16

前面的程序有問題，附件文件好了。

ID:114509 · 發(fā)表于 2022-3-16 20:17

// 頭文件
#include "LEDdisplay.h"

ulong parm = 202203;

//數(shù)據(jù)暫存區(qū)
uchar LED_BuF[]={8,8,8,8,8,8};
//位選
uchar code LED_WX[]=
{
0xfe,0xfd,0xfb,0xf7,0xef,0xdf
};
//段選
uchar code LED_DX[]=
{
0x3f,0x06,0x5b,0x4f,0x66,0x6d, // 0,1,2,3,4,5
0x7d,0x07,0x7f,0x6f,0x77,0x7c, // 6,7,8,9,A,B
0x39,0x5e,0x79,0x71,0x76,0x38, // C,D,E,F,H,L
0x37,0x3E,0x73,0x5C,0x40,0x00  // n,u,P,O,-,滅
};
//顯示服務(wù)函數(shù)
void dis_Service()
{
LED_BuF[0] = parm/100000%10;
LED_BuF[1] = parm/10000%10;
LED_BuF[2] = parm/1000%10;
LED_BuF[3] = parm/100%10;
LED_BuF[4] = parm/10%10;
LED_BuF[5] = parm%10;
}
//LED 顯示
void LED_display()
{
uchar i;

switch (i)
{
case 0:
Port_DX = 1;// LE置1 送段碼到 P0端口
GPIO_P0 = LED_DX[LED_BuF[0]];
Port_DX = 0;// LE鎖存保持?jǐn)?shù)碼管端口的數(shù)據(jù)
GPIO_P0 = 0x00;//消影復(fù)位P0端口

Port_WX = 1;// LE置1 送位碼，點亮數(shù)碼管
GPIO_P0 = LED_WX[0];
Port_WX = 0;// LE鎖存保持點亮數(shù)碼管
GPIO_P0 = 0x00;//消影復(fù)位P0端口
//delay_ms(1);//延時1ms
i++;
break;

case 1:
Port_DX = 1;// LE置1 送段碼到 P0端口
GPIO_P0 = LED_DX[LED_BuF[1]];
Port_DX = 0;// LE鎖存保持?jǐn)?shù)碼管端口的數(shù)據(jù)
GPIO_P0 = 0x00;//消影復(fù)位P0端口

Port_WX = 1;// LE置1 送位碼，點亮數(shù)碼管
GPIO_P0 = LED_WX[1];
Port_WX = 0;// LE鎖存保持點亮數(shù)碼管
GPIO_P0 = 0x00;//消影復(fù)位P0端口
//delay_ms(1);//延時1ms
i++;
break;

case 2:
Port_DX = 1;// LE置1 送段碼到 P0端口
GPIO_P0 = LED_DX[LED_BuF[2]];
Port_DX = 0;// LE鎖存保持?jǐn)?shù)碼管端口的數(shù)據(jù)
GPIO_P0 = 0x00;//消影復(fù)位P0端口

Port_WX = 1;// LE置1 送位碼，點亮數(shù)碼管
GPIO_P0 = LED_WX[2];
Port_WX = 0;// LE鎖存保持點亮數(shù)碼管
GPIO_P0 = 0x00;//消影復(fù)位P0端口
//delay_ms(1);//延時1ms
i++;
break;

case 3:
Port_DX = 1;// LE置1 送段碼到 P0端口
GPIO_P0 = LED_DX[LED_BuF[3]];
Port_DX = 0;// LE鎖存保持?jǐn)?shù)碼管端口的數(shù)據(jù)
GPIO_P0 = 0x00;//消影復(fù)位P0端口

Port_WX = 1;// LE置1 送位碼，點亮數(shù)碼管
GPIO_P0 = LED_WX[3];
Port_WX = 0;// LE鎖存保持點亮數(shù)碼管
GPIO_P0 = 0x00;//消影復(fù)位P0端口
//delay_ms(1);//延時1ms
i++;
break;

case 4:
Port_DX = 1;// LE置1 送段碼到 P0端口
GPIO_P0 = LED_DX[LED_BuF[4]];
Port_DX = 0;// LE鎖存保持?jǐn)?shù)碼管端口的數(shù)據(jù)
GPIO_P0 = 0x00;//消影復(fù)位P0端口

Port_WX = 1;// LE置1 送位碼，點亮數(shù)碼管
GPIO_P0 = LED_WX[4];
Port_WX = 0;// LE鎖存保持點亮數(shù)碼管
GPIO_P0 = 0x00;//消影復(fù)位P0端口
//delay_ms(1);//延時1ms
i++;
break;

case 5:
Port_DX = 1;// LE置1 送段碼到 P0端口
GPIO_P0 = LED_DX[LED_BuF[5]];
Port_DX = 0;// LE鎖存保持?jǐn)?shù)碼管端口的數(shù)據(jù)
GPIO_P0 = 0x00;//消影復(fù)位P0端口

Port_WX = 1;// LE置1 送位碼，點亮數(shù)碼管
GPIO_P0 = LED_WX[5];
Port_WX = 0;// LE鎖存保持點亮數(shù)碼管
GPIO_P0 = 0x00;//消影復(fù)位P0端口
//delay_ms(1);//延時1ms
i++;
break;

case 6:
Port_DX = 1;// LE置1 送段碼到 P0端口
GPIO_P0 = LED_DX[LED_BuF[6]];
Port_DX = 0;// LE鎖存保持?jǐn)?shù)碼管端口的數(shù)據(jù)
GPIO_P0 = 0x00;//消影復(fù)位P0端口

Port_WX = 1;// LE置1 送位碼，點亮數(shù)碼管
GPIO_P0 = LED_WX[6];
Port_WX = 0;// LE鎖存保持點亮數(shù)碼管
GPIO_P0 = 0x00;//消影復(fù)位P0端口
//delay_ms(1);//延時1ms
i=0;
break;
default:break;//退出switch循環(huán)
}
dis_Service();
}

#ifndef __LEDdisplay_H__
#define __LEDdisplay_H__

#include <reg52.h>
#include "delay.h"

//IO口定義
#define GPIO_P0  P0
#define GPIO_P1  P1
#define GPIO_P2  P2
#define GPIO_P3  P3

//位定義
sbit Port_DX = P2^6;  //段選
sbit Port_WX = P2^7;  //位選

void LED_display();//LED 顯示
void dis_Service();//顯示服務(wù)函數(shù)

#endif

帳號		自動登錄	找回密碼
密碼			立即注冊