Tass Sequence for Arduino MEga

TassSequence.ino

#define ARRAY_SIZE(array) ((sizeof(array))/(sizeof(array[0])))
int ledPin1 = 50;  // LED connected to digital pin 50
int ledPin2 = 51;  // LED connected to digital pin 51
int ledPin3 = 52;  // LED connected to digital pin 52
int ledPin4 = 53;  // LED connected to digital pin 53
int ledPinStatus = 31;  // LED connected to digital pin 50

#define SW 8

int standardON = 100;
int standardOFF = 66;
int lastSequence = 0;
int lastRandom = 0;

int mode = 0;

int sequence[32] = { 3, 2, 4, 1, 1, 2, 4, 3, 2, 4, 3, 1, 0, 0, 0, 0, 0, 0, 0, 0, 2, 4, 3, 1, 2, 1, 3, 4, 1, 3, 4, 2 };
int pinReferences[5] = { 0, ledPin1, ledPin2, ledPin3, ledPin4 };

int getRandomWithinRange() {
  return random(1,ARRAY_SIZE(pinReferences));
}

int getDifferentRandom() {
  int nextRandom = 0;
  do {
    nextRandom = getRandomWithinRange();
  } while (nextRandom == lastRandom);

  lastRandom = nextRandom;
  return nextRandom;
}

// pin clearer
void clearPins() {
  digitalWrite(ledPin1, LOW);
  digitalWrite(ledPin2, LOW);
  digitalWrite(ledPin3, LOW);
  digitalWrite(ledPin4, LOW);
}
// pin setter
void setPin(int pinReference) {
  if (pinReference > 0) {
    digitalWrite(pinReferences[pinReference], HIGH);
  }

  delay(standardON);

  if (pinReference > 0) {
    digitalWrite(pinReferences[pinReference], LOW);
  }

  delay(standardOFF);
}

// last known sequence in array
int getNextSequencePin() {
  if (lastSequence == ARRAY_SIZE(sequence) - 2) {
    lastSequence = 0;
  } else {
    lastSequence++;
  }
  // random mode
  if (mode == 1) {
    if (lastSequence > 24) {
      return 0;
    }

    return getDifferentRandom();
  } else {
    
    // return 1;
    return sequence[lastSequence];
  }
}

void readMode() {
  int reading = digitalRead(SW);
  mode = reading ? 0 : 1;
}

void setup() {
  analogWrite(11,100); // Generate PWM signal at pin D11, value of 100 (out of 255)
  readMode();
  pinMode(SW,INPUT_PULLUP);
  pinMode(ledPin1, OUTPUT);  // sets the digital pin as output
  pinMode(ledPin2, OUTPUT);  // sets the digital pin as output
  pinMode(ledPin3, OUTPUT);  // sets the digital pin as output
  pinMode(ledPin4, OUTPUT);  // sets the digital pin as output
  pinMode(ledPinStatus, OUTPUT);  // sets the digital pin as output

  digitalWrite(ledPinStatus, HIGH);
  delay(1000);
  digitalWrite(ledPinStatus, LOW);
  delay(500);
  digitalWrite(ledPinStatus, HIGH);
  delay(1000);
  digitalWrite(ledPinStatus, LOW);
  delay(500);
  digitalWrite(ledPinStatus, HIGH);
  delay(1000);

  clearPins();
}

void loop() {
  clearPins();
  int nextSequence = getNextSequencePin();
  setPin(nextSequence);
}