Arduino 四位数码管控制

深藏阁楼爱情的钟 2022-08-28 12:49 257阅读 0赞

## 材料 ##

<table> 
 <thead> 
  <tr> 
   <th>物品</th> 
   <th>个数</th> 
  </tr> 
 </thead> 
 <tbody> 
  <tr> 
   <td>Arduino UNO</td> 
   <td>1</td> 
  </tr> 
  <tr> 
   <td>按钮</td> 
   <td>3</td> 
  </tr> 
  <tr> 
   <td>共阳极四位数码管</td> 
   <td>1</td> 
  </tr> 
  <tr> 
   <td>双公口杜邦线</td> 
   <td>若干</td> 
  </tr> 
  <tr> 
   <td>面包板</td> 
   <td>1</td> 
  </tr> 
 </tbody> 
</table>

## 功能设计 ##

*  时间显示
 *  调节时间  
    ![请添加图片描述][watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBA5rK46IW-55-z54Gw_size_17_color_FFFFFF_t_70_g_se_x_16]

## 接线 ##

![请添加图片描述][watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBA5rK46IW-55-z54Gw_size_20_color_FFFFFF_t_70_g_se_x_16]

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**D1表示加粗的引脚**

<table> 
 <thead> 
  <tr> 
   <th>Arduino</th> 
   <th>四位数码管</th> 
  </tr> 
 </thead> 
 <tbody> 
  <tr> 
   <td>2</td> 
   <td>a</td> 
  </tr> 
  <tr> 
   <td>3</td> 
   <td>b</td> 
  </tr> 
  <tr> 
   <td>4</td> 
   <td>c</td> 
  </tr> 
  <tr> 
   <td>5</td> 
   <td>d</td> 
  </tr> 
  <tr> 
   <td>6</td> 
   <td>e</td> 
  </tr> 
  <tr> 
   <td>7</td> 
   <td>f</td> 
  </tr> 
  <tr> 
   <td>8</td> 
   <td>g</td> 
  </tr> 
  <tr> 
   <td>9</td> 
   <td>dp</td> 
  </tr> 
  <tr> 
   <td>10</td> 
   <td>D1</td> 
  </tr> 
  <tr> 
   <td>11</td> 
   <td>D2</td> 
  </tr> 
  <tr> 
   <td>12</td> 
   <td>D3</td> 
  </tr> 
  <tr> 
   <td>13</td> 
   <td>D4</td> 
  </tr> 
 </tbody> 
</table>

<table> 
 <thead> 
  <tr> 
   <th>按键</th> 
   <th>Arduino</th> 
  </tr> 
 </thead> 
 <tbody> 
  <tr> 
   <td>引脚1</td> 
   <td>模拟引脚</td> 
  </tr> 
  <tr> 
   <td>引脚2</td> 
   <td>GND</td> 
  </tr> 
 </tbody> 
</table>

<table> 
 <thead> 
  <tr> 
   <th>按键</th> 
   <th>Arduino</th> 
  </tr> 
 </thead> 
 <tbody> 
  <tr> 
   <td>按键1 引脚1</td> 
   <td>A0</td> 
  </tr> 
  <tr> 
   <td>按键2引脚1</td> 
   <td>A1</td> 
  </tr> 
  <tr> 
   <td>按键3 引脚1</td> 
   <td>A2</td> 
  </tr> 
 </tbody> 
</table>

## 效果 ##

Arduino 四位数码管控制（简单时钟）

## 程序 ##

int a = 2;
    int b = 3;
    int c = 4;
    int d = 5;
    int e = 6;
    int f = 7;
    int g = 8;
    int dp = 9;
    //设置阳极接口
    int d4 = 13;
    int d3 = 12;
    int d2 = 11;
    int d1 = 10;
    //设置按钮接口
    int y_button=A0;
    int b_button=A1;
    int g_button=A2;
    
    unsigned long times=0;
    int m=0;
    int h=0;
    
    int i=0,j=0,x=0,y=0;
    int flag=0;
    bool flag2=true;
    int set=0;
    void setup()
    { 
      pinMode(d1, OUTPUT);
      pinMode(d2, OUTPUT);
      pinMode(d3, OUTPUT);
      pinMode(d4, OUTPUT);
      pinMode(a, OUTPUT);
      pinMode(b, OUTPUT);
      pinMode(c, OUTPUT);
      pinMode(d, OUTPUT);
      pinMode(e, OUTPUT);
      pinMode(f, OUTPUT);
      pinMode(g, OUTPUT);
      pinMode(dp, OUTPUT);
    
      pinMode(y_button,INPUT_PULLUP);//设置为上拉输入模式
      pinMode(b_button,INPUT_PULLUP);
      pinMode(g_button,INPUT_PULLUP);
    
      Serial.begin(9600);
    }
    /
    void loop()
    {  
       if(digitalRead(y_button)==LOW){ 
        Serial.println("y");
        set++;
        while(digitalRead(y_button)==LOW);//消抖
       }
       if(digitalRead(b_button)==LOW){ 
        set--;
        while(digitalRead(b_button)==LOW);
       }
       if(digitalRead(g_button)==LOW){ 
        flag++;
        while(digitalRead(g_button)==LOW);
       }
      if(flag==0){ 
        h=set;
         m=0;
        flag2=true;
      }else if(flag==1){ 
        m=set;
       
      }else{ 
        while(flag2){ 
          flag=0;
          set=0;
          clocks();
          if(digitalRead(g_button)==LOW){ 
            flag2=false;
          while(digitalRead(g_button)==LOW);
         }
        }
      }
      Xian_Shi();  
        
    
      
    
    
    }
    ///
    void clocks(){ //时钟逻辑
        Xian_Shi();
        if(millis()-times>59000){ 
          m++;
          times=millis();
          Serial.print(x);
          Serial.print(y);
          Serial.print(" ");
          Serial.print(i);
          Serial.print(j);
          Serial.println();
        }
        if(m>59){ 
          h++;
          m=0;
        }
        if(h>23){ 
          h=0;
          
        }
    }
    
    void Xian_Shi(){ //数码管显示
       if(m>9){ 
          i=m/10;
          j=m%10;
        }else{ 
          j=m;
          i=0;
        }
        if(h>9){ 
          x=h/10;
          y=h%10;
        }else{ 
          y=h;
          x=0;
        }
        Display(1, x);
        Display(2, y);
        Display(3, i);
        Display(4, j);
    }
    void WeiXuan(unsigned char n)//数码管位数选择
    { 
        switch(n)
         { 
            case 1:
              digitalWrite(d1,HIGH);
              digitalWrite(d2, LOW);
              digitalWrite(d3, LOW);
              digitalWrite(d4, LOW);   
            break;
            case 2:
              digitalWrite(d1, LOW);
              digitalWrite(d2, HIGH);
              digitalWrite(d3, LOW);
              digitalWrite(d4, LOW);
                break;
              case 3:
                digitalWrite(d1,LOW);
               digitalWrite(d2, LOW);
               digitalWrite(d3, HIGH);
               digitalWrite(d4, LOW);
                break;
              case 4:
               digitalWrite(d1, LOW);
               digitalWrite(d2, LOW);
               digitalWrite(d3, LOW);
               digitalWrite(d4, HIGH);
                break;
            default :
               digitalWrite(d1, LOW);
               digitalWrite(d2, LOW);
               digitalWrite(d3, LOW);
               digitalWrite(d4, LOW);
            break;
              }
    }
    void Num_0()//数字0
    { 
      digitalWrite(a, LOW);
      digitalWrite(b, LOW);
      digitalWrite(c, LOW);
      digitalWrite(d, LOW);
      digitalWrite(e, LOW);
      digitalWrite(f, LOW);
      digitalWrite(g, HIGH);
      digitalWrite(dp,HIGH);
    }
    void Num_1()
    { 
      digitalWrite(a, HIGH);
      digitalWrite(b, LOW);
      digitalWrite(c, LOW);
      digitalWrite(d, HIGH);
      digitalWrite(e, HIGH);
      digitalWrite(f, HIGH);
      digitalWrite(g, HIGH);
      digitalWrite(dp,HIGH);
    }
    void Num_2()
    { 
      digitalWrite(a, LOW);
      digitalWrite(b, LOW);
      digitalWrite(c, HIGH);
      digitalWrite(d, LOW);
      digitalWrite(e, LOW);
      digitalWrite(f, HIGH);
      digitalWrite(g, LOW);
      digitalWrite(dp,HIGH);
    }
    void Num_3()
    { 
      digitalWrite(a, LOW);
      digitalWrite(b, LOW);
      digitalWrite(c, LOW);
      digitalWrite(d, LOW);
      digitalWrite(e, HIGH);
      digitalWrite(f, HIGH);
      digitalWrite(g, LOW);
      digitalWrite(dp,HIGH);
    }
    void Num_4()
    { 
      digitalWrite(a, HIGH);
      digitalWrite(b, LOW);
      digitalWrite(c, LOW);
      digitalWrite(d, HIGH);
      digitalWrite(e, HIGH);
      digitalWrite(f, LOW);
      digitalWrite(g, LOW);
      digitalWrite(dp,HIGH);
    }
    void Num_5()
    { 
      digitalWrite(a, LOW);
      digitalWrite(b, HIGH);
      digitalWrite(c, LOW);
      digitalWrite(d, LOW);
      digitalWrite(e, HIGH);
      digitalWrite(f, LOW);
      digitalWrite(g, LOW);
      digitalWrite(dp,HIGH);
    }
    void Num_6()
    { 
      digitalWrite(a, LOW);
      digitalWrite(b, HIGH);
      digitalWrite(c, LOW);
      digitalWrite(d, LOW);
      digitalWrite(e, LOW);
      digitalWrite(f, LOW);
      digitalWrite(g, LOW);
      digitalWrite(dp,HIGH);
    }
    void Num_7()
    { 
      digitalWrite(a, LOW);
      digitalWrite(b, LOW);
      digitalWrite(c, LOW);
      digitalWrite(d, HIGH);
      digitalWrite(e, HIGH);
      digitalWrite(f, HIGH);
      digitalWrite(g, HIGH);
      digitalWrite(dp,HIGH);
    }
    void Num_8()
    { 
      digitalWrite(a, LOW);
      digitalWrite(b, LOW);
      digitalWrite(c, LOW);
      digitalWrite(d, LOW);
      digitalWrite(e, LOW);
      digitalWrite(f, LOW);
      digitalWrite(g, LOW);
      digitalWrite(dp,HIGH);
    }
    void Num_9()
    { 
      digitalWrite(a, LOW);
      digitalWrite(b, LOW);
      digitalWrite(c, LOW);
      digitalWrite(d, LOW);
      digitalWrite(e, HIGH);
      digitalWrite(f, LOW);
      digitalWrite(g, LOW);
      digitalWrite(dp,HIGH);
    }
    void Clear()  //清屏
    { 
      digitalWrite(a, HIGH);
      digitalWrite(b, HIGH);
      digitalWrite(c, HIGH);
      digitalWrite(d, HIGH);
      digitalWrite(e, HIGH);
      digitalWrite(f, HIGH);
      digitalWrite(g, HIGH);
      digitalWrite(dp,HIGH);
    }
    void pickNumber(unsigned char n)//选择数字
    { 
      switch(n)
      { 
       case 0:Num_0();
       break;
       case 1:Num_1();
       break;
       case 2:Num_2();
       break;
       case 3:Num_3();
       break;
       case 4:Num_4();
       break;
       case 5:Num_5();
       break;
       case 6:Num_6();
       break;
       case 7:Num_7();
       break;
       case 8:Num_8();
       break;
       case 9:Num_9();
       break;
       default:Clear();
       break;
      }
    }
    void Display(unsigned char x, unsigned char Number)//显示x为坐标，Number为数字
    { 
      WeiXuan(x);
      pickNumber(Number);
      delay(1);
      Clear();
    }

//控制数码管显示数字
    int a=2,b=3,c=4,d=5,e=6,f=7,g=8,dp=9,d1=10,d2=11,d3=12,d4=13;
    void setup()
    { 
      for(int i=0;i<14;i++)
        pinMode(i,OUTPUT);
      for(int i=0;i<14;i++)
        digitalWrite(i,LOW);
      
    }
    void loop()
    { 
      LED(4321);//显示4321
    } 
    void LED(int x)
    { 
      int g,s,b,q;
      q=x/1000;
      x%=1000;
      b=x/100;
      x%=100;
      s=x/10;
      x%=10;
      g=x;
      int y[4]={ q,b,s,g};
      for(int i=0;i<4;i++);
      { 
        D(i);
        switch(y[i])
        { 
          case 0:
            Num_0;
            break;
          case 1:
            Num_1;
            break;
          case 2:
            Num_2;
            break;
          case 3:
            Num_3;
            break;
          case 4:
            Num_4;
            break;
          case 5:
            Num_5;
            break;
          case 6:
            Num_6;
            break;
          case 7:
            Num_7;
            break;
          case 8:
            Num_8;
            break;
          case 9:
            Num_9;
        }
        delay(1);
      }
    }
    void Num_0()
    { 
      digitalWrite(a,HIGH);
      digitalWrite(b,HIGH);
      digitalWrite(c,HIGH);
      digitalWrite(d,HIGH);
      digitalWrite(e,HIGH);
      digitalWrite(f,HIGH);
      digitalWrite(g,LOW);
    }
    void Num_1()
    { 
      digitalWrite(a,LOW);
      digitalWrite(b,HIGH);
      digitalWrite(c,HIGH);
      digitalWrite(d,LOW);
      digitalWrite(e,LOW);
      digitalWrite(f,LOW);
      digitalWrite(g,LOW);
      }
    void Num_2()
    { 
      digitalWrite(a,HIGH);
      digitalWrite(b,HIGH);
      digitalWrite(c,LOW);
      digitalWrite(d,HIGH);
      digitalWrite(e,HIGH);
      digitalWrite(f,LOW);
      digitalWrite(g,HIGH);
    }
    void Num_3()
    { 
      digitalWrite(a,HIGH);
      digitalWrite(b,HIGH);
      digitalWrite(c,HIGH);
      digitalWrite(d,HIGH);
      digitalWrite(e,LOW);
      digitalWrite(f,LOW);
      digitalWrite(g,HIGH);
    }
    void Num_4()
    { 
      digitalWrite(a,LOW);
      digitalWrite(b,HIGH);
      digitalWrite(c,HIGH);
      digitalWrite(d,LOW);
      digitalWrite(e,LOW);
      digitalWrite(f,HIGH);
      digitalWrite(g,HIGH);
    }
    void Num_5()
    { 
      digitalWrite(a,HIGH);
      digitalWrite(b,LOW);
      digitalWrite(c,HIGH);
      digitalWrite(d,HIGH);
      digitalWrite(e,LOW);
      digitalWrite(f,HIGH);
      digitalWrite(g,HIGH);
    }
    void Num_6()
    { 
      digitalWrite(a,HIGH);
      digitalWrite(b,LOW);
      digitalWrite(c,HIGH);
      digitalWrite(d,HIGH);
      digitalWrite(e,HIGH);
      digitalWrite(f,HIGH);
      digitalWrite(g,HIGH);
    }
    void Num_7()
    { 
      digitalWrite(a,HIGH);
      digitalWrite(b,HIGH);
      digitalWrite(c,HIGH);
      digitalWrite(d,LOW);
      digitalWrite(e,LOW);
      digitalWrite(f,LOW);
      digitalWrite(g,LOW);
    }
    void Num_8()
    { 
      digitalWrite(a,HIGH);
      digitalWrite(b,HIGH);
      digitalWrite(c,HIGH);
      digitalWrite(d,HIGH);
      digitalWrite(e,HIGH);
      digitalWrite(f,HIGH);
      digitalWrite(g,HIGH);
    }
    void Num_9()
    { 
      digitalWrite(a,HIGH);
      digitalWrite(b,HIGH);
      digitalWrite(c,HIGH);
      digitalWrite(d,HIGH);
      digitalWrite(e,LOW);
      digitalWrite(f,HIGH);
      digitalWrite(g,HIGH);
    }
    void D(int y)
    { 
      switch(y)
      { 
        case 0:
          digitalWrite(d1,HIGH);
          digitalWrite(d2,LOW);
          digitalWrite(d3,LOW);
          digitalWrite(d4,LOW);
          break;
        case 1:
          digitalWrite(d1,LOW);
          digitalWrite(d2,HIGH);
          digitalWrite(d3,LOW);
          digitalWrite(d4,LOW);
          break;
        case 2:
          digitalWrite(d1,LOW);
          digitalWrite(d2,LOW);
          digitalWrite(d3,HIGH);
          digitalWrite(d4,LOW);
          break;
        case 3:
          digitalWrite(d1,LOW);
          digitalWrite(d2,LOW);
          digitalWrite(d3,LOW);
          digitalWrite(d4,HIGH);
          break;
        default :
          digitalWrite(d1,LOW);
          digitalWrite(d2,LOW);
          digitalWrite(d3,LOW);
          digitalWrite(d4,LOW);
      }
    }

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