volatile byte state = LOW;
const byte ButtonPin = 2;
const byte led = 13;
const int timeThreshold = 150;  //Temps entre interruptions pour eviter bounce
volatile int ISRCounter = 0;
int counter = 0;
long startTime = 0;

void setup() {
  // Push button Init
  pinMode(led,OUTPUT);
  pinMode(ButtonPin, INPUT_PULLUP);
  attachInterrupt(digitalPinToInterrupt(ButtonPin), debounce, FALLING);
  digitalWrite(led,LOW);
}

void loop() {
    //We enter the push button condition
  if (counter != ISRCounter){
    counter = ISRCounter;
    state = !state; //Inverser etat du LED
  }

  if(state){
    hidup();}
  else{ 
    mati();}
}
void debounce(){ //Interrupt function to treat push button
  if (millis() - startTime > timeThreshold){
    ISRCounter++;
    startTime = millis();
  }
}
void hidup(){
  digitalWrite(led,HIGH);
}
void mati(){
  digitalWrite(led,LOW);
}