Using 2 PING Senors at Once

Question

I am trying to get values for two ping sensors, but am not getting any returns, can someone help me edit my code?

Code

void setup()
{
  Serial.begin(9600); 
  pingRange(2);
  pingRange(3);
}

void loop(){
}

  long pingRange (int pingPin)

{
  pinMode(pingPin, OUTPUT);
  digitalWrite(pingPin, LOW);
  delayMicroseconds(2);
  digitalWrite(pingPin, HIGH);
  delayMicroseconds(5);
  digitalWrite(pingPin, LOW);
  pinMode(pingPin, INPUT);
  return microsecondsToCentimeters(pulseIn(pingPin, HIGH));
}

long microsecondsToCentimeters(long microseconds)
{
  // The speed of sound is 340 m/s or 29 microseconds per centimeter.
  // The ping travels out and back, so to find the distance of the
  // object we take half of the distance travelled.
  return microseconds / 29 / 2;
}

Answer 1

There's one part of your code conspicuous by its absence:

pingRange(2);
pingRange(3);

You're calling the functions, but you're not doing anything with the returned value. I think you meant to print that value to the serial interface...

Serial.println(pingRange(2));
Serial.println(pingRange(3));