/*
 * Function: setup
 * IO: Initializes GPIO pins
 * Working: Sets LED pins as OUTPUT
 */
void setup() {
  Serial.begin(115200);

  pinMode(17, OUTPUT); // Red LED
  pinMode(14, OUTPUT); // Green LED
}

/*
 * Function: loop
 * IO: Controls LED blinking
 * Working: Blinks Red and Green LEDs one by one continuously
 */
void loop() {
  try {
    while (true) {
      // Red LED ON, Green OFF
      digitalWrite(17, HIGH);
      digitalWrite(14, LOW);
      Serial.println("Red LED ON");
      delay(1000);

      // Red LED OFF, Green ON
      digitalWrite(17, LOW);
      digitalWrite(14, HIGH);
      Serial.println("Green LED ON");
      delay(1000);
    }
  } catch (...) {
    Serial.println("error | led control | main.ino | loop");
  }
}