找个人帮忙写一下代码。

Question

 

Answer 1

byte num_0[8] = { B00000000,B00000000,B01111100,B01000100,B01111100,B00000000,B00000000,B00000000 };//定义数组 用于让led显示0
byte num_1[8] = { B00000000,B00000000,B00000000,B01111110,B01111110,B00000000,B00000000,B00000000 }; //定义数组 用于让led显示1
byte num_2[8] = { B00000000,B00000000,B01110100,B01010100,B01010100,B01011100,B00000000,B00000000 }; //定义数组 用于让led显示2
byte num_3[8] = { B00000000,B00000000,B01010100,B01010100,B01010100,B01111100,B00000000,B00000000 }; //定义数组 用于让led显示3
byte num_4[8] = { B00000000,B00000000,B00011100,B00010000,B00010000,B01111100,B00000000,B00000000 }; //定义数组 用于让led显示4
byte num_5[8] = { B00000000,B00000000,B01011100,B01010100,B01010100,B00100100,B00000000,B00000000 }; //定义数组 用于让led显示5
byte num_6[8] = { B00000000,B00000000,B01111100,B01010010,B01010010,B01011110,B00000000,B00000000 }; //定义数组 用于让led显示6
byte num_7[8] = { B00000000,B00000000,B01000000,B01000110,B01011000,B01100000,B00000000,B00000000 }; //定义数组 用于让led显示7
byte num_8[8] = { B00000000,B00000000,B01111110,B01011010,B01011010,B01111110,B00000000,B00000000 }; //定义数组 用于让led显示8
byte num_9[8] = { B00000000,B00000000,B01110010,B01010010,B01010010,B01111110,B00000000,B00000000 }; //定义数组 用于让led显示9

struct Button{
  int pin;
  int last_p;
};

//7-segs 74HC595 引脚 驱动点阵
constexpr int latch_pin = 1;
constexpr int clock_pin = 2;
constexpr int data_pin = 3;

//7-segs 74HC595 引脚 驱动跑马灯
constexpr int latch_pin2 = 4;
constexpr int clock_pin2 = 5;
constexpr int data_pin2 = 6;

//开始暂停按键
constexpr int inpt=7;

//模拟量输入
constexpr int an=8;

int last_dy_time;//用于电压滚动显示时间
int last_p_time;//用于按键防抖
int last_pmd_time;//用于跑马灯循环时间
int st;//标记跑马灯启停
int last_p;//用于确认单击
int an_v;//模拟量读数
int dy_b;//电压滚动显示的位
int pmd;//跑马灯变量

int but(Button b){
  if(!digitalRead(b.pin)){
    if(micros()-last_p_time>50000){
      last_p_time=micros();
      if(b.last_p==0){
        return 1;    
      }
      b.last_p=1;
    }
  }
  b.last_p=0;
  return 0;
}

//驱动点阵
void led(int n,int b,int dp){
  int tmp=n;
  if(dp){
    tmp&=0x7f;
  }
  for(int i=0;i<8;i++){
    digitalWrite(data_pin,(tmp & 0x80)!=0);
    digitalWrite(clock_pin, HIGH);
    digitalWrite(clock_pin,LOW);
    tmp<<=1;
  }
  tmp=1<<b;
  tmp=~tmp;
  for(int i=0;i<8;i++){
    digitalWrite(data_pin,(tmp & 0x80)!=0);
    digitalWrite(clock_pin, HIGH);
    digitalWrite(clock_pin,LOW);
    tmp<<=1;
  }
    digitalWrite(latch_pin, HIGH);
    digitalWrite(latch_pin, LOW);
}

//驱动跑马灯
void led2(int n){
  int tmp=1<<n;
  for(int i=0;i<16;i++){
    digitalWrite(data_pin,(tmp & 0x8000)!=0);
    digitalWrite(clock_pin, HIGH);
    digitalWrite(clock_pin,LOW);
    tmp<<=1;
  }
    digitalWrite(latch_pin, HIGH);
    digitalWrite(latch_pin, LOW);
}

Button b_in;

void setup()    //arduino主函数 用于初始化
{
  b_in.pin=inpt;
  last_p_time=0;
  last_pmd_time=0;
  st=1;
  last_p=0;
  dy_b=3;

  pinMode(latch_pin,OUTPUT);
  pinMode(clock_pin,OUTPUT);
  pinMode(data_pin,OUTPUT);  
  pinMode(latch_pin2,OUTPUT);
  pinMode(clock_pin2,OUTPUT);
  pinMode(data_pin2,OUTPUT);
  pinMode(inpt,OUTPUT);
  pinMode(an,INPUT);
}

void loop()//arduino主循环
{
    if(but(b_in)){
      st=~st;
    }
    an_v=analogRead(an);
    if(st){//跑马灯循环
       if(micros()-last_pmd_time>an_v*1000){
          pmd++;
          if(pmd>9){
            pmd=0;
          }
          led2(pmd);
       }
    }
    if(micros()-last_dy_time>1000000){
      dy_b--;
      if(dy_b==-1){
        dy_b=3;
      }
    }
    an_v=(an_v/(int)pow(10,dy_b))%10;
    
    int dpst=0;
    if(dy_b==3){
      dpst=1;
    }
    
    switch(an_v/200){ //显示电压值
      case 0:
        for(int i=0;i<8;i++){
          led(num_0[i],i,dpst);
        }
      case 1:
        for(int i=0;i<8;i++){
          led(num_1[i],i,dpst);
        }
      case 2:
        for(int i=0;i<8;i++){
          led(num_2[i],i,dpst);
        }
      case 3:
        for(int i=0;i<8;i++){
          led(num_3[i],i,dpst);
        }
      case 4:
        for(int i=0;i<8;i++){
          led(num_4[i],i,dpst);
        }
      case 5:
        for(int i=0;i<8;i++){
          led(num_5[i],i,dpst);
        }     
      case 6:
        for(int i=0;i<8;i++){
          led(num_6[i],i,dpst);
        } 
      case 7:
        for(int i=0;i<8;i++){
          led(num_7[i],i,dpst);
        } 
      case 8:
        for(int i=0;i<8;i++){
          led(num_8[i],i,dpst);
        } 
      case 9:
        for(int i=0;i<8;i++){
          led(num_9[i],i,dpst);
        } 
    }

 
}