int trig = 12;
int echo = 14;
float distance;
void setup() {  
  Serial.begin(115200);
  pinMode(trig,OUTPUT);
  pinMode(echo, INPUT);
}
long getdistance()
{
  digitalWrite(trig, LOW);
 delayMicroseconds(2);
 digitalWrite(trig, HIGH);
 delayMicroseconds(10);
 digitalWrite(trig, LOW);
 distance=pulseIn(echo,HIGH);
 return(distance*0.034/2);
}
void loop() {
  Serial.println("Distance of the object is:" );
  Serial.println (getdistance());
}