com.diozero.devices.LedButton Maven / Gradle / Ivy
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package com.diozero.devices;
/*-
* #%L
* Organisation: diozero
* Project: diozero - Core
* Filename: LedButton.java
*
* This file is part of the diozero project. More information about this project
* can be found at https://www.diozero.com/.
* %%
* Copyright (C) 2016 - 2024 diozero
* %%
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
* #L%
*/
import org.tinylog.Logger;
import com.diozero.api.DeviceInterface;
import com.diozero.api.DigitalInputEvent;
import com.diozero.api.GpioEventTrigger;
import com.diozero.api.GpioPullUpDown;
import com.diozero.api.RuntimeIOException;
import com.diozero.api.function.DeviceEventConsumer;
/**
* A button with an embedded LED. Supported modes:
*
* - Light the button when pressed
* - Light then flash the button when pressed
*
-
*
*/
public class LedButton implements DeviceInterface, DeviceEventConsumer {
private Button button;
private LED led;
public LedButton(int buttonGpio, int ledGpio) {
button = new Button(buttonGpio, GpioPullUpDown.PULL_UP, GpioEventTrigger.BOTH);
led = new LED(ledGpio);
button.addListener(this);
}
@Override
public void close() throws RuntimeIOException {
button.close();
led.close();
}
@Override
public void accept(DigitalInputEvent event) {
Logger.debug(event);
led.setOn(event.isActive());
}
}