const int trig_pin = 14;
const int echo_pin = 15;

long duration_1;
int distance_1;


void setup() {
  pinMode(trig_pin, OUTPUT); // Sets the trigPin as an Output
  pinMode(echo_pin, INPUT); // Sets the echoPin as an Input

  Serial.begin(9600); // Starts the serial communication
  }

void pulse_pin(int trig_pin) {
  digitalWrite(trig_pin, LOW);
  delayMicroseconds(2);
  // Sets the trigPin on HIGH state for 10 micro seconds
  digitalWrite(trig_pin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trig_pin, LOW);
}

int get_distance(int trig_pin, int echo_pin){
  pulse_pin(trig_pin);
  long duration = pulseIn(echo_pin, HIGH, 50000);
  if (duration == 0) duration = 50000;
//  Serial.println(duration);
  long distance = duration*0.034/2;
  return distance;
}

void loop() {
  distance_1 = get_distance(trig_pin, echo_pin);
  Serial.print(" | ");
  Serial.print(distance_1);
  Serial.println(" | ");
  delay(1);
}