arrows.ino

const int GAUCHE = 11;
const int BARRE = 10;
const int DROITE = 9;
const int BOUTON = A0;

int val;
int oldVal;
int counter = 5;
int delay1 = 1250;
int lastToggle = 0;
bool displayOn = false;

void setup() {
  pinMode(GAUCHE,OUTPUT);
  pinMode(BARRE,OUTPUT);
  pinMode(DROITE,OUTPUT);
  pinMode(BOUTON,INPUT);
}

void loop() {
  val = digitalRead(BOUTON);

  if((val == LOW) && (oldVal == HIGH)) {
    ++counter;
  }

  oldVal = val;
  delay(1);

  switch(val) {
    case 1:
      flasher(HIGH, HIGH, LOW);
      break;
    case 2:
      flasher(LOW, HIGH, LOW);
      break;
    case 3:
      flasher(LOW, HIGH, HIGH);
      break;
    case 4:
      flasher(HIGH, HIGH, HIGH);
      break;
    case 5:
      counter = 1;
      break;
  }
}

void flasher(int gauche, int barre, int droite) {
  // Si ça fait plus que delay1 qu'on a flashé, on remet les leds actif à nouveau
  if(millis() > lastToggle + delay1) {
    lastToggle = millis();
    displayOn = !displayOn;
  }

  if(displayOn) {
    set_leds(gauche, barre, droite);
  } else {
    set_leds(LOW, LOW, LOW);
  }
}

void set_leds(int gauche, int barre, int droite) {
  digitalWrite(GAUCHE, gauche);
  digitalWrite(BARRE, barre);
  digitalWrite(DROITE, droite);
}