led-basic.ino

const int layers[] = {11, 12, 13};
const int columns[] = {2, 3, 4, 5, 6, 7, 8, 9, 10};

void setup() {
  for(int c: columns) {
    pinMode(c, OUTPUT);
  }
  for(int l: layers) {
    pinMode(l, OUTPUT);
  }
}

void loop() {
  // put your main code here, to run repeatedly:
  for(int c: columns) {
    digitalWrite(c, HIGH);
  }
  for(int l: layers) {
    digitalWrite(l, HIGH);
  }
}

void enableLED(int column) {
  digitalWrite(columns[column - 1], HIGH);
}

void disableLED(int column) {
  digitalWrite(columns[column - 1], LOW);
}

void enableLED(int column, int layer) {
  digitalWrite(columns[column - 1], HIGH);
  digitalWrite(layers[layer - 1], HIGH); 
}

void disableLED(int column, int layer) {
  digitalWrite(columns[column - 1], LOW);
  digitalWrite(layers[layer - 1], LOW);
}