import lejos.hardware.Brick;
import lejos.hardware.Button;
import lejos.hardware.Sound;
import lejos.hardware.motor.Motor;

public class Sirens extends Thread {

	public Brick myEV3;
	public boolean siren = false;

	public Sirens(Brick myEV3) {
		this.myEV3 = myEV3;
	}

	public void run() {

		while(true) {

			if(!siren) {
				Button.LEDPattern(0);
				Button.LEDPattern(-1);
			}

			while(siren) {

				Button.LEDPattern(5);

				Sound.setVolume(1);

				Sound.playTone(440, 500);
				Sound.playTone(300, 500);
				/*
				Sound.playTone(440, 250);
				Sound.playTone(440, 250);
				Sound.playTone(392, 250);
				Sound.playTone(440, 250);
				try { Thread.sleep(200); } catch (Exception e) {}
				Sound.playTone(293, 250);
				try { Thread.sleep(200); } catch (Exception e) {}
				Sound.playTone(293, 250);
				Sound.playTone(440, 250);
				Sound.playTone(587, 250);
				Sound.playTone(554, 250);
				Sound.playTone(440, 250);
				*/
				//try { Thread.sleep(2000); } catch (Exception e) {}

			}
		}
    }

	synchronized void setBoolean(boolean val) {
		this.siren = val;
	}

}