GyroDemo.java

package ev3.exercises;

import ev3.exercises.library.*;
import lejos.hardware.Button;
import lejos.hardware.Sound;
import lejos.hardware.motor.*;
import lejos.hardware.port.*;
import lejos.utility.Delay;

public class GyroDemo
{
    public static void main(String[] args)
    {
        GyroSensor    gyro = new GyroSensor(SensorPort.S2);

        System.out.println("Gyro Demo");
        System.out.println("Press to start");

        Button.LEDPattern(4);    // flash green led and
        Sound.beepSequenceUp();    // make sound when ready.

        Button.waitForAnyPress();

        // run until escape button pressed.

        while (Button.ESCAPE.isUp())
        {
            Lcd.clear(5);
            Lcd.print(5, "angle=%d av=%.3f", gyro.getAngle(), gyro.getAngularVelocity());

            Delay.msDelay(250);
        }

        // free up resources.
        gyro.close();

        Sound.beepSequence();    // we are done.
    }
}