// === Miguel Pacudan====
// CEIS114 - Module #3 Project Traffic Light Controller

#define red_LED1 14     // The red LED1 is wired to ESP32 board pin GPIO14
#define yellow_LED1 12  // The yellow LED1 is wired to ESP32 board pin GPIO12
#define green_LED1 13   // The green LED1 is wired to ESP32 board pin GPIO13

// the setup function runs once when you press reset or power the board
void setup() {
pinMode(red_LED1, OUTPUT);     // initialize digital pin GPIO14 (Red LED1) as an output.
pinMode(yellow_LED1, OUTPUT);   // initialize digital pin GPIO12 (yellow LED1) as an output.
pinMode(green_LED1, OUTPUT);      // initialize digital pin GPIO13 (green LED1) as an output.
}

// the loop function runs over and over again forever
void loop() {
  light_cycle(2000);
} 

void light_cycle(int delay_time){
  // The next three lines of code turn on the red LED1
  digitalWrite(red_LED1, HIGH);       // This should turn on the RED LED1
  digitalWrite(yellow_LED1 , LOW);    //  This should turn off the YELLOW LED1
  digitalWrite(green_LED1, LOW);      //  This should turn off the GREEN LED1

  delay(delay_time);                      // wait for 2 seconds

  // The next three lines of code turn on the green LED1
  digitalWrite(red_LED1, LOW);         // This should turn off the RED LED1
  digitalWrite(yellow_LED1 , LOW);        // This should turn off the YELLOW LED1
  digitalWrite(green_LED1, HIGH);        // This should turn on the GREEN LED1

  delay(delay_time);                     // wait for 2 seconds

// The next three lines of code turn on the yellow  LED1
   digitalWrite(red_LED1, LOW);       // This should turn off the RED LED1
  digitalWrite(yellow_LED1 , HIGH);   //  This should turn on the YELLOW LED1
  digitalWrite(green_LED1, LOW);        //  This should turn off the GREEN LED1

  delay(delay_time);                      // wait for 2 seconds
}