#define button_pin 13
int nilai = 0;

//millis
unsigned long prevT = 0;
unsigned long hold_time = 3000;
unsigned long press_time = 1000;

//Flagging push button
int button = LOW;
int stateButton = LOW;
int stateButtonLast = LOW;
bool button_hold = false;

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!\n");

  pinMode(button_pin, INPUT);
}

void loop() {
  int button = digitalRead(button_pin);
  unsigned long currT = millis();

  if(button != stateButtonLast){
    prevT = millis();
  }

  if(currT - prevT > hold_time){
    if(button != stateButton){
      stateButton = button;
      if(stateButton == HIGH){
        Serial.println("HOLD PRESSED");
      }
    }
  }

  else if(currT - prevT <= press_time){
    if(button != stateButton){
      stateButton = button;
      if(stateButton == HIGH){
        Serial.println("PRESS");
      }
    }
  }

  stateButtonLast = button;
  delay(10);
}