Semáforo Doble Arduino

double_semaphore.ino

// 0 = GREEN
// 1 = YELLOW
// 2 = RED

int semaphore1[3] = {5, 6, 7};
int semaphore2[3] = {8, 9, 10};
bool pass = true;

void setup() {
  for (int i = 0; i < 3; i++) {
    pinMode(semaphore1[i], OUTPUT);
    pinMode(semaphore2[i], OUTPUT);
  }
}

// States
void go(int semaphore[3]) {
  digitalWrite(semaphore[0], HIGH);
  digitalWrite(semaphore[1], LOW);
  digitalWrite(semaphore[2], LOW);
}

void change(int semaphore[3]) {
  digitalWrite(semaphore[0], LOW);
  digitalWrite(semaphore[1], HIGH);
  digitalWrite(semaphore[2], LOW);
}

void wait(int semaphore[3]) {
  digitalWrite(semaphore[0], LOW);
  digitalWrite(semaphore[1], LOW);
  digitalWrite(semaphore[2], HIGH);
}

// Blinks
void blinking(int led) {
  const int AMOUNT_BLINKINGS = 5;
  for(int i = 0; i < AMOUNT_BLINKINGS; i++) {
    digitalWrite(led, HIGH);
    delay(100);
    digitalWrite(led, LOW);
    delay(100);
  }
}

void double_blinking(int led1, int led2) {
  const int AMOUNT_BLINKINGS = 5;
  for(int i = 0; i < AMOUNT_BLINKINGS; i++) {
    digitalWrite(led1, HIGH);
    digitalWrite(led2, HIGH);
    delay(100);
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    delay(100);
  }
}

// Controllers
void translate() {
  change(semaphore1);
  change(semaphore2);
  delay(3000);
  double_blinking(semaphore1[1], semaphore2[1]);
}

bool stand(bool other) {
  int led;
  if (other) {
    go(semaphore1);
    wait(semaphore2);
    led = semaphore1[0];
  } else {
    go(semaphore2);
    wait(semaphore1);
    led = semaphore2[0];
  }
  delay(3000);
  blinking(led);

  translate();
  
  return !other;
}

void loop() {
  pass = stand(pass);
}