// name the pins
int ledPin = D2;

void setup()
{
    //Register our Particle function here
   Particle.function("led", ledControl);
   // Configure the pins to be outputs
   pinMode(ledPin, OUTPUT);
   // Initialize both the LEDs to be OFF
   digitalWrite(ledPin, LOW);
}

void loop()
{
   // Nothing to do here
}

int ledControl(String command)
{
   int state = LOW;
   int times = command.toInt();

   // find out the state of the led
   if (times > 0){
       while(times > 0) {
        digitalWrite(ledPin, HIGH);
        delay(500);
        digitalWrite(ledPin, LOW);
        delay(500);
        times--;
    }
   }else{
	   return -1;
   }

   // write to the appropriate pin
   digitalWrite(ledPin, state);
   return 1;
}