jcontrol.io
Class Buzzer

java.lang.Object
  jcontrol.io.Buzzer

All Implemented Interfaces:

SoundDevice

public class Buzzer
extends Object
implements SoundDevice

Makes some noise using the buzzer connected to the JControl module. Wrapper for class PWM.

Version:

1.0

Author:

Helge Böhme

Available on JControl Devices:

lib (Sticker, PLUI, SmartDisplay)

Constructor Summary

Buzzer()
Constructs a new Buzzer using the default PWM channel.

Buzzer(int useChannel)
Constructs a new Buzzer.

Method Summary

void	off() Turns off the Buzzer.
void	on(int frequency) Turns on the Buzzer with the specified frequency.
void	on(int frequency, int duration) Turns on the Buzzer with the specified frequency and duration.

Methods inherited from class java.lang.Object

clone, equals, notifyAll, wait

Constructor Detail

Buzzer

public Buzzer()

Constructs a new Buzzer using the default PWM channel.

Buzzer

public Buzzer(int useChannel)

Constructs a new Buzzer.

Parameters:

useChannel - the PWM channel to use

Method Detail

off

public void off()

Turns off the Buzzer.

Specified by:

off in interface SoundDevice

on

public void on(int frequency)

Turns on the Buzzer with the specified frequency. The noise will last until invoking off.

Specified by:

on in interface SoundDevice

Parameters:

frequency - to use (range 250 ... 32767 Hz)

on

public void on(int frequency,
               int duration)

Turns on the Buzzer with the specified frequency and duration.

Specified by:

on in interface SoundDevice

Parameters:

frequency - to use (range 250 ... 32767 Hz)

duration - for the noise (range 1 ... 32767 ms)