import lejos.hardware.port.SensorPort;
import lejos.hardware.sensor.EV3UltrasonicSensor;
import lejos.robotics.SampleProvider;
import lejos.utility.Delay;

public class EV3UltraTest {

  private static EV3UltrasonicSensor ultra = new EV3UltrasonicSensor(SensorPort.S1);

  public static void main(String[] args) {
    int abstand = 0;
    int i = 0;
    while(true)
    {
      Delay.msDelay(500);
      abstand = missAbstand();
      System.out.println(++i+")Distanz: " + abstand);
    }
  }
  public static int missAbstand()
  {
    SampleProvider sp = ultra.getDistanceMode();
    float [] sample = new float[sp.sampleSize()];
    sp.fetchSample(sample, 0);
    return (int)(sample[0]*100);
  }
}