#define LED 12 // The digital pin to which the led is connected
#define BUTTONPIN 4 // The digital pin to which the button is connected


// Interrupt function that changes the led pin status
void IRAM_ATTR trigger_led()
{
  blinkTen();
}

void blinkTen(){
   for (int i = 0; i <= 9; i++) {
    digitalWrite(LED, HIGH);
    delay(300);
    digitalWrite(LED, LOW);
    delay(300);
    Serial.print("i : ");
    Serial.println(i);
  }
 }

 void on(){
  for (int i = 0; i <= 9; i++) {
    digitalWrite(LED, HIGH);
    delay(100);
  }
 }

void setup() {
  // put your setup code here, to run once:

  // pin setup
  pinMode(LED, OUTPUT);
  pinMode(BUTTONPIN, INPUT_PULLUP);
  attachInterrupt(BUTTONPIN, trigger_led, RISING); // attach the interrupt function to the button press

  // serial setup
  Serial.begin(115200);
}

void loop() {
  // put your main code here, to run repeatedly:

  delay(10);                 // wait some time
  on();
}