A.R.D.F. Fox hunting Arduino training controler version 2

const int speakerPin = 8;
const int relayPin = 9;

const int unit = 130; // unitatea de timp în milisecunde
const int dotDuration = unit;
const int dashDuration = 3 * unit;
const int elementSpace = unit;
const int charSpace = 3 * unit;
const int wordSpace = 7 * unit;

const char* words[] = {"MOE", "MOI", "MOS", "MOH", "MO5"};
const int numWords = 5;

void setup() {
  pinMode(speakerPin, OUTPUT);
  pinMode(relayPin, OUTPUT);
  digitalWrite(relayPin, LOW);
  noTone(speakerPin);
}

bool sendSequence(const char* sequence, unsigned long startTime) {
  for (int i = 0; sequence[i] != '\0'; i++) {
    char element = sequence[i];

    // Activează tonul și releul
    tone(speakerPin, 1000);
    digitalWrite(relayPin, HIGH);

    unsigned long elementDuration = (element == '.') ? dotDuration : dashDuration;
    unsigned long elementStart = millis();
    while (millis() - elementStart < elementDuration) {
      if (millis() - startTime >= 60000) {
        noTone(speakerPin);
        digitalWrite(relayPin, LOW);
        return true;
      }
    }

    // Dezactivează tonul și releul
    noTone(speakerPin);
    digitalWrite(relayPin, LOW);

    // Spațiu între elemente (dacă nu e ultimul)
    if (sequence[i+1] != '\0') {
      unsigned long spaceStart = millis();
      while (millis() - spaceStart < elementSpace) {
        if (millis() - startTime >= 60000) return true;
      }
    }
  }
  return false;
}

bool sendMorseChar(char c, unsigned long startTime) {
  const char* sequence = nullptr;
  switch (c) {
    case 'M': sequence = "--"; break;
    case 'O': sequence = "---"; break;
    case 'E': sequence = "."; break;
    case 'I': sequence = ".."; break;
    case 'S': sequence = "..."; break;
    case 'H': sequence = "...."; break;
    case '5': sequence = "....."; break;
  }
  if (sequence != nullptr) {
    return sendSequence(sequence, startTime);
  }
  return false;
}

void loop() {
  for (int i = 0; i < numWords; i++) {
    const char* word = words[i];
    unsigned long startTime = millis();
    bool timeExpired = false;

    while (!timeExpired && (millis() - startTime < 60000)) {
      for (int j = 0; j < strlen(word); j++) {
        timeExpired = sendMorseChar(word[j], startTime);
        if (timeExpired) break;

        // Spațiu între caractere (dacă nu e ultimul)
        if (j < strlen(word) - 1) {
          unsigned long spaceStart = millis();
          while (millis() - spaceStart < charSpace) {
            if (millis() - startTime >= 60000) {
              timeExpired = true;
              break;
            }
          }
        }
        if (timeExpired) break;
      }

      // Spațiu între cuvinte (doar dacă nu s-a terminat timpul)
      if (!timeExpired) {
        unsigned long spaceStart = millis();
        while (millis() - spaceStart < wordSpace) {
          if (millis() - startTime >= 60000) {
            timeExpired = true;
            break;
          }
        }
      }
    }
  }
}