Food Security

int pirPin = D0; // PIR is connected to D3
int led = D7;    // Onboard LED is D7
int counter = 0;

void setup()
{
  pinMode(pirPin, INPUT_PULLUP); // Initialize D3 pin as input with an internal pull-up resistor
  pinMode(led, OUTPUT);          // Initialize D7 pin as output
  Particle.function("Armed", youAreAway);
  Particle.function("Disarmed", youAreHome);
  Particle.variable("counter", &counter);
}

void loop()
{
  int pirValState;

  pirValState = digitalRead(pirPin);

  if(pirValState == LOW){      // Was motion detected
    digitalWrite(led, HIGH);   // Turn ON the LED
    counter = counter + 1;
    delay(30000); // wait 30 sec to aviod scanning too often 
  }
  else
  {
    digitalWrite(led, LOW);  // Turn the LED off
  }

}

int youAreAway(String){
    Particle.publish("Armed","textAlert1");
    counter = 0; //reset counter upon exit of appartment location
    return counter;
}

int youAreHome(String){
    
    if (counter == 0){
    Particle.publish("foodSafe","textalert4");
    }
    else if (counter > 0){
    Particle.publish("Intruder","textalert5");
    }
    return counter;
}