Project: 💡⚡LED Reaction

Συνδεσμολογία:

Κώδικας (Κείμενο/Text):

// C++ code
//
#define greenLED 8
#define redLED 9
#define yellowLED 10
#define ButtonPin 3

// random set of times
int timesOn[] = {100, 250, 400, 500};

// random set of delays
int delayTimes[] = {250, 500, 1000, 1500};

// we need volatile variables in order to be 
// able to be accessed/changed during the ISR
volatile boolean redLEDLit = false;
volatile boolean isWinner = false;

void setup()
{
  pinMode(greenLED, OUTPUT);
  pinMode(redLED, OUTPUT);
  pinMode(yellowLED, OUTPUT);
  
  // creating interrupt
  attachInterrupt(0, checkWinner, FALLING);
  
  turnOffLEDs();
  Serial.begin(9600);
}

void loop()
{
  int LEDtoLight = random(1,4);
  int periodLEDisLit = timesOn[random(4)];
  lightLED(LEDtoLight, periodLEDisLit);
  
  turnOffLEDs();
  
  int delayTime = delayTimes[random(4)];
  delay(delayTime);
  
  if (isWinner) {
    isWinner = false;
    winner();
  }
}

void lightLED(int led, int duration)
{
  switch (led) {
  case 1: //green
  	digitalWrite(greenLED, HIGH);
  	break;
  case 2: // red
  	digitalWrite(redLED, HIGH);
  	break;
  case 3: // yellow
  	digitalWrite(yellowLED, HIGH);
  	break;
  default:
  	break;
  }
  
  delay(duration);
  redLEDLit = false;
}

void turnOffLEDs()
{
  digitalWrite(greenLED, LOW);
  digitalWrite(redLED, LOW);
  digitalWrite(yellowLED, LOW);
}

void winner()
{
  for (int i=0; i<3; i++) {
    digitalWrite(greenLED, HIGH);
  	digitalWrite(redLED, HIGH);
  	digitalWrite(yellowLED, HIGH);
    delay(250);
    digitalWrite(greenLED, LOW);
  	digitalWrite(redLED, LOW);
  	digitalWrite(yellowLED, LOW);
    delay(250);
  }
  delay(3000);
}

// ISR
void checkWinner()
{
  if (redLEDLit) {
    Serial.println("win");
    isWinner = true;
  }
}