int sensor_pin = A5;	/* Soil moisture sensor O/P pin */
int ledPin= D2;
int sensor_analog=0;
int moisture_percentage;
int last_published = -1;//event publish record
    
int servoPin = A2;
Servo myServo;
int servoPos = 90;
bool delayOrNot=true;

void setup() {
    
 // Serial.begin(9600);	/* Define baud rate for serial communication */
  Particle.variable(  "moisture" , sensor_analog);
  
//  Serial.begin(9600);
  myServo.attach( A2 );
  
  //Register our Particle to control the servo
   Particle.function("servo", servoControl);
  
  
    // Keep a cloud variable for the current position
  Particle.variable(  "servoPos" , servoPos);
  
  pinMode(sensor_pin,INPUT);
 pinMode(ledPin,OUTPUT);
 analogWrite(ledPin,HIGH);

}

void loop() {
 
 
  sensor_analog = analogRead(sensor_pin);
  Serial.println(sensor_analog);
  
  
if (sensor_analog > 3500){
   
     servoControl("40"); //when dry
    delayOrNot=true;
    analogWrite(ledPin,200);
    sendmessage (  );
}
 
 
 else{
     if(delayOrNot==true){
     servoControl("71");
     }
     delay(300);
     servoControl("76");
     delayOrNot=false;
     analogWrite(ledPin,0);
 }
 
 
  
  moisture_percentage =sensor_analog/10000;
 
}


int servoControl(String command)
{
    // Convert
   int newPos = command.toInt();
   // Make sure it is in the right range
   // And set the position
   servoPos = constrain( newPos, 0 , 180);

   // Set the servo
   myServo.write( servoPos );

   // done
   return 1;
}

void sendmessage (  )
{if( last_published + 60000 < millis() ){
    Particle.publish("SoilStatus", "not enough water!",60,PUBLIC);
    last_published = millis();
    }