/*
 * Author (for Arduino): Helen Miles ([email protected])
 * Adapted for ESP32  : Graeme Tyson ([email protected])
 * Functions to set up and use lights with the ESP32
*/
#define LED_RED 5
#define LED_ORANGE 18
#define LED_YELLOW 19
#define LED_GREEN 21
#define LED_BLUE 22

#define POTENTIOMETER 13
#define BUTTON 15
bool buttonPressed = false;

void setupLightPins() {
  // **********************************************************************
  // tell the program where to find all of your LEDs on the Arduino board
  // **********************************************************************
  const int len = 5;
  int leds[len] = {LED_RED, LED_ORANGE, LED_YELLOW, LED_GREEN, LED_BLUE};
  for(int led = 0; led < len; led++) {
    pinMode(leds[led], OUTPUT);
  }
}

void setupButton(){
  // **********************************************************************
  // tell the program where to find the button on the Arduino board
  // **********************************************************************
  pinMode(BUTTON, INPUT);
}

void led(int LED, int flashLength){
  // **********************************************************************
  // turn on an LED for the number of milliseconds given
  // **********************************************************************
  digitalWrite(LED, HIGH);  // turn LED on
  delay(flashLength);       // wait flashLength milliseconds
  digitalWrite(LED, LOW);   // turn LED off
}

void ledAnalog(int LED, int flashLength, int power){
  // **********************************************************************
  // turn on an LED for the number of milliseconds given
  // **********************************************************************
  analogWrite(LED, power);  // turn LED up to amount in power
  delay(flashLength);       // wait flashLength milliseconds
  analogWrite(LED, 0);      // turn LED down to zero power
}

void checkButton(){
  // **********************************************************************
  // check whether the button has been pressed or not
  // **********************************************************************
  buttonPressed = digitalRead(BUTTON);
}


void setup() {
  setupLightPins();
  setupButton();
 // Serial.begin(115200);
}

void loop(){
  checkButton();
  if(buttonPressed){
   led (LED_RED, 1500);
   led (LED_ORANGE, 1500);
   delay (500);

  }


}