function_general.ino

void clearLastDialed()
{
  lastDialed[0] = 20;
  lastDialed[1] = 21;
  lastDialed[2] = 22;
  lastDialed[3] = 23;
}
//other common functions

int playRand() {
  return random(1, 11);   // Randomizer for track
}
int foldRand() {          // Randomizer for folder
  return random(1, 4);  // (3)
}


void debug( String  text) {
  if (DEB)  Serial.println(text);   // debug with CRLF
}

void debug1( String  text) {
  if (DEB)  Serial.print(text);     // debug without CRLF
}


void addLastNumber(int newNumber) {
  debug("add " + String(newNumber));
  lastDialed[0] = lastDialed[1];
  lastDialed[1] = lastDialed[2];
  lastDialed[2] = lastDialed[3];
  lastDialed[3] = newNumber;
}

void addLastTime(long newTime) {
  lastTime[0] = lastTime[1];
  lastTime[1] = lastTime[2];
  lastTime[2] = lastTime[3];
  lastTime[3] = newTime;
}

void checkChangeVolume()
{
  if (lastDialed[1] == 2 && lastDialed[2] == 1 && checkChangeTime())
  {
    debug("volume change");
    audioVolume = lastDialed[3] + 9;
    setMP3Volume(audioVolume);
    storeMP3Volume(audioVolume);
    playVolume();
    clearLastDialed();
  }
}

void checkChangeFolder()
{
  if (lastDialed[1] == 3 && lastDialed[2] == 1 && checkChangeTime())
  {
    debug("folder change");
    if ( lastDialed[3] < 4 )
    {
      EEPROM_storeFolder(lastDialed[3]);
      playFolder(lastDialed[3]);
      clearLastDialed();
    }
  }
}

void checkChangeWillekeurig()
{
  if (lastDialed[1] == 4 && lastDialed[2] == 1 && checkChangeTime())
  {
    debug("Speel willekeurig");
    if ( lastDialed[3] < 3 )
    {
      EEPROM_storePlayMode(lastDialed[3] - 1);
      playWillekeurig(lastDialed[3] - 1);
      clearLastDialed();
    }

  }
}

void checkReset()
{
  if (lastDialed[1] == 9 && lastDialed[2] == 9 && checkChangeTime())
  {
    //willekeurig
    if ( lastDialed[3] == 9 )
    {
      playReset();
      EEPROM_init(true);
      audioVolume = EEPROM_getVolume();
      setMP3Volume(audioVolume);
      folderNumber = EEPROM_getFolder();
      playMode = EEPROM_getPlayMode();
      mp3Wake();
      playVolume();                                           // play vulume status
      playFolder(folderNumber);                               // play folder number status
      playWillekeurig(playMode);
      clearLastDialed();
    }
  }
}

void checkChangeContinues() {
  if (lastDialed[1] == 5 && lastDialed[2] == 1 && checkChangeTime())
  {
    debug("continu change");
    if ( lastDialed[3] == 1 )
    {
      debug("PlayRandom");
      PlayingContinuesly = true ;
      playContinu();
      // playRandom();
      clearLastDialed();
    }
  }
}

bool check112() {
  if (lastDialed[1] == 1 && lastDialed[2] == 1 && checkChangeTime())
  {

    if ( lastDialed[3] == 2 )
    {
      playAlarm();
      clearLastDialed();
    }
  }
}

bool checkChangeTime() {
  if (lastTime[3] - lastTime[1] < 10000)
    return true;
  else
    return false;
}

void checkAll() {

  checkChangeVolume();
  checkChangeFolder();
  checkChangeWillekeurig();
  checkChangeContinues();
  check112();
  checkReset();
}