//Challenge 1: make the red button work as green button (15 minutes)
//Challenge 2 (30 minutes) - add green LED for green buttton and
//red led for red button- let them glow. Turn green off when hit green button
//turn red off when hit red button
const int interruptPin2 = 2;
volatile bool isButtonPressed2 = false;

const int interruptPin3 = 3;
volatile bool isButtonPressed3 = false;

void setup() 
{
   Serial.begin(9600);
   pinMode(interruptPin2, INPUT_PULLUP);
   pinMode(interruptPin3, INPUT_PULLUP);
   
   attachInterrupt(digitalPinToInterrupt(interruptPin2), button_pressed2, LOW);
   attachInterrupt(digitalPinToInterrupt(interruptPin3), button_pressed3, LOW);
    
  Serial.println("Set up is done");
}

void loop() 
{
   if (isButtonPressed2) {
      Serial.println("Button 2 Pressed!");
      isButtonPressed2 = false;
   }

   if (isButtonPressed3) {
      Serial.println("Button 3 Pressed!");
      isButtonPressed3 = false;
   }
}

//ISR for pin 2
void button_pressed2() 
{
   isButtonPressed2 = true;
}

//ISR for pin 3
void button_pressed3() 
{
   isButtonPressed3 = true;
}