更改 7 段计数器显示

Question

我使用我的 Arduino 和 ETS-7000 设备设计了一个 react 游戏，但我遇到了一个小问题。

游戏的想法是两个玩家互相对战，我使用了三个 LED，它们已经安装在 ETS-7000 上。

两个 7 段将从 9 和 9 开始，当第三个 LED 闪烁时，两个玩家应按下开关。

速度较慢的玩家将减少 1 分，因此他的 7 段将变为 8，游戏将继续进行，直到有人达到 0 并输掉。

我的问题是我做的每件事都是正确的，但不是速度较慢的玩家在他的 7 段上减少 1 分，而是速度较快的玩家。

我需要帮助所以我将代码调整为相反的方式

附言我对7段使用了BCD编码

  int SW2 = 3; //try
  int SW1 = 4;
  int LED0 = A0;
  int LED1 = 12;
  int LED2 = 13;
 // int fault = 0;
  //long wait = 0;
  //long now = 0;
  void setup(){
   pinMode(A5, OUTPUT);
   pinMode(A4, OUTPUT);
   pinMode(A3, OUTPUT);
   pinMode(A2, OUTPUT);
   pinMode(8, OUTPUT);
   pinMode(9, OUTPUT);
   pinMode(10, OUTPUT);
   pinMode(11, OUTPUT);
   pinMode(LED0, OUTPUT);
   pinMode(LED1, OUTPUT);
   pinMode(LED2, OUTPUT);
   pinMode(SW1, INPUT);
   pinMode(SW2, INPUT);
  //Initializing components
   randomSeed(analogRead(1));
 }
void loop(){
reset:
  int n=9, x=9;
                           digitalWrite(A5, HIGH);
               digitalWrite(A4, LOW);
               digitalWrite(A3, LOW);
               digitalWrite(A2, HIGH);
                            digitalWrite(8, HIGH);
               digitalWrite(9, LOW);
               digitalWrite(10, LOW);
               digitalWrite(11, HIGH);
  do{
      digitalWrite(LED0, HIGH);
  delay(2000);
  digitalWrite(LED1, HIGH);
  //Wait for a random period of time, between 3 seconds
 //And 6 seconds. Get ready!
 delay(random(500,8000));
  digitalWrite(LED2, HIGH);
  //Swing your swords as fast as you can, the faster one 
 //will be returned by getWinner()
 int winner=getWinner();
  //The yellow led by side of the winner will light up
 if(winner==1){
   if (n==1)
            {
             digitalWrite(A5, LOW);
             digitalWrite(A4, LOW);
             digitalWrite(A3, LOW);
             digitalWrite(A2, LOW);
             digitalWrite(LED1, LOW);
             digitalWrite(LED2, LOW);
             digitalWrite(LED0, HIGH);
             delay(100);
             digitalWrite(LED0, LOW);
             delay(100);
             digitalWrite(LED0, HIGH);
             delay(100);
             digitalWrite(LED0, LOW);
             delay(100);
             digitalWrite(LED0, HIGH);
             delay(100);
             digitalWrite(LED0, LOW);
             delay(100);
             digitalWrite(LED0, HIGH);
             delay(100);
             digitalWrite(LED0, LOW);
             delay(100);
             digitalWrite(LED0, HIGH);
             delay(100);
             digitalWrite(LED0, LOW);
             delay(5000);
             break;  
            } 
   else
   {n=n-1;}
  }else{ if (x==1)
           {
             digitalWrite(8, LOW);
             digitalWrite(9, LOW);
             digitalWrite(10, LOW);
             digitalWrite(11, LOW);
             digitalWrite(LED0, LOW);
             digitalWrite(LED1, LOW);
             digitalWrite(LED2, HIGH);
             delay(100);
             digitalWrite(LED2, LOW);
             delay(100);
             digitalWrite(LED2, HIGH);
             delay(100);
             digitalWrite(LED2, LOW);
             delay(100);
             digitalWrite(LED2, HIGH);
             delay(100);
             digitalWrite(LED2, LOW);
             delay(100);
             digitalWrite(LED2, HIGH);
             delay(100);
             digitalWrite(LED2, LOW);
             delay(100);
             digitalWrite(LED2, HIGH);
             delay(100);
             digitalWrite(LED2, LOW);
             delay(5000);
             break;
             }
   else { x=x-1;}
 }
             if (n==0){
               digitalWrite(A5, LOW);
               digitalWrite(A4, LOW);
               digitalWrite(A3, LOW);
               digitalWrite(A2, LOW);
            } else if (n==1){
               digitalWrite(A5, HIGH);
               digitalWrite(A4, LOW);
               digitalWrite(A3, LOW);
               digitalWrite(A2, LOW);
            } else if (n==2){
               digitalWrite(A5, LOW );
               digitalWrite(A4, HIGH);
               digitalWrite(A3, LOW);
               digitalWrite(A2, LOW);
           } else if (n==3){
               digitalWrite(A5, HIGH);
               digitalWrite(A4, HIGH);
               digitalWrite(A3, LOW);
               digitalWrite(A2, LOW);
           } else if (n==4){ 
               digitalWrite(A5, LOW);
               digitalWrite(A4, LOW);
               digitalWrite(A3, HIGH);
               digitalWrite(A2, LOW);
           } else if (n==5){
               digitalWrite(A5, HIGH);
               digitalWrite(A4, LOW);
               digitalWrite(A3, HIGH);
               digitalWrite(A2, LOW);
           } else if (n==6) {
               digitalWrite(A5, LOW);
               digitalWrite(A4, HIGH);
               digitalWrite(A3, HIGH);
               digitalWrite(A2, LOW);
           } else if (n==7){ 
               digitalWrite(A5, HIGH);
               digitalWrite(A4, HIGH);
               digitalWrite(A3, HIGH);
               digitalWrite(A2, LOW);
           } else if (n==8){
               digitalWrite(A5, LOW);
               digitalWrite(A4, LOW);
               digitalWrite(A3, LOW);
               digitalWrite(A2, HIGH);
           } else if (n==9){
               digitalWrite(A5, HIGH);
               digitalWrite(A4, LOW);
               digitalWrite(A3, LOW);
               digitalWrite(A2, HIGH);
            }
                  if (x==0){
               digitalWrite(8, LOW);
               digitalWrite(9, LOW);
               digitalWrite(10, LOW);
               digitalWrite(11, LOW);
           } else if (x==1){
               digitalWrite(8, HIGH);
               digitalWrite(9, LOW);
               digitalWrite(10, LOW);
               digitalWrite(11, LOW);
            } else if (x==2){
               digitalWrite(8, LOW );
               digitalWrite(9, HIGH);
               digitalWrite(10, LOW);
               digitalWrite(11, LOW);
            } else if (x==3){
               digitalWrite(8, HIGH);
               digitalWrite(9, HIGH);
               digitalWrite(10, LOW);
               digitalWrite(11, LOW);
            } else if (x==4){ 
                digitalWrite(8, LOW);
                digitalWrite(9, LOW);
                digitalWrite(10, HIGH);
                digitalWrite(11, LOW);
             } else if (x==5){
                digitalWrite(8, HIGH);
                digitalWrite(9, LOW);
                digitalWrite(10, HIGH);
                digitalWrite(11, LOW);
             } else if (x==6) {
                digitalWrite(8, LOW);
                 digitalWrite(9, HIGH);
                digitalWrite(10, HIGH);
                digitalWrite(11, LOW);
             } else if (x==7){ 
                digitalWrite(8, HIGH);
                digitalWrite(9, HIGH);
                digitalWrite(10, HIGH);
                digitalWrite(11, LOW);
              } else if (x==8){
                digitalWrite(8, LOW);
                digitalWrite(9, LOW);
                digitalWrite(10, LOW);
                digitalWrite(11, HIGH);
              } else if (x==9) {
                digitalWrite(8, HIGH);
                digitalWrite(9, LOW);
                digitalWrite(10, LOW);
                digitalWrite(11, HIGH);
              }
             digitalWrite(LED0, LOW);
             digitalWrite(LED1, LOW);
             digitalWrite(LED2, LOW); 
 delay(2000);
  } while(true);
         goto reset;
  }
 //The function below waits for either of the tilter
//switch to be swang. The first one to swing
//will be returned by its number
int getWinner(){
  do{
    if(digitalRead(SW1)==HIGH){
      return 1;
    }else if(digitalRead(SW2)==HIGH){
      return 2;
    }
  }while(true);
}

Answer 1

我会在连续的片段中给你一个更正的版本。

首先，引脚号应在顶部定义并赋予有意义的名称。如果所有内容都按玩家编号索引，这也会使代码变得非常简单。

#define PLAYER1 0
#define PLAYER2 1

const int ALERT_LED = 12;   

// Pins of the BCD display for both players, most significant bit first
const int PLAYER_DISPLAY[2][4] = {
    { A2, A3, A4, A5 },
    { 11, 10, 9, 8 }
};

const int PLAYER_LED[2] = { A0, 13 };
const int PLAYER_SWITCH[2] = {4, 3 };

函数是你的 friend 。我们将在这里重新组合输出功能。

void set_display (int player, int value)
{
    for (int i = 0; i < 4; i++) {
        digitalWrite (PLAYER_DISPLAY[player][3 - i], value & (1 << i));
    }
}

void blink_led (int pin)
{
    for (int i = 0; i < 5; i++) {
        digitalWrite (pin, HIGH);
        delay(100);
        digitalWrite (pin, LOW);
        delay(100);
    }
}

我们对输入功能做同样的事情。

// return the number of the first player to press its switch
int get_winner ()
{
    while (true) {
        for (int i = 0; i < 2; i++) {
            if (digitalRead(PLAYER_SWITCH[i]) == HIGH) {
                return i;
            }
        }
    }
}

我们设置引脚方向。

void setup ()
{
    // set pins direction and ensure the leds are off
    pinMode (ALERT_LED, OUTPUT);
    digitalWrite (ALERT_LED, LOW);

    for (int i = 0; i < 2; i++) {
        for (int j = 0; j < 4; j++) {
             pinMode (PLAYER_DISPLAY[i][j], OUTPUT);
        }
        pinMode (PLAYER_LED[i], OUTPUT);
        digitalWrite (PLAYER_LED[i], LOW);
        pinMode (PLAYER_SWITCH[i], INPUT);
    }

   // initialize random number generator    
   randomSeed(analogRead(1));
}

现在，由于我们的准备工作，主循环变得更简单，其逻辑清晰明了，更容易更改，也更容易发现错误。

void loop()
{
    int score[2] = { 9, 9 };

    for (int i = 0; i < 2; i++) {
        set_display (i, score[i]);
    }

    while (true) {
        // turn on the leds in sequence
        digitalWrite(PLAYER_LED[PLAYER1], HIGH);
        delay(2000);
        digitalWrite(PLAYER_LED[PLAYER2], HIGH);
        delay(random(500,8000));
        digitalWrite(ALERT_LED, HIGH);

        // get winner
        int winner = get_winner();
        int loser = (winner == PLAYER1) ? PLAYER2 : PLAYER1;

        // update score
        score[loser]--;
        set_display (loser, score[loser]);

        // turn the leds off
        digitalWrite(PLAYER_LED[PLAYER1], LOW);
        digitalWrite(PLAYER_LED[PLAYER2], LOW);
        digitalWrite(ALERT_LED, LOW);

        // if the game is over, blink the winner's led and restart
        if (score[loser] == 0) {
             blink_led (PLAYER_LED[winner]);
             delay(5000);
             break;  
        }

        delay(2000);
  }
}

我希望您能从这些原则中学习。如果您不了解所有内容(尤其是 set_display() 的工作原理)也没关系。