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package com.diozero.devices;
/*
* #%L
* Organisation: diozero
* Project: diozero - Core
* Filename: RgbPwmLed.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 - 2021 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.RuntimeIOException;
import com.diozero.internal.spi.PwmOutputDeviceFactoryInterface;
import com.diozero.sbc.DeviceFactoryHelper;
import java.awt.Color;
/**
* Three pin controlled RGB LED.
*/
public class RgbPwmLed implements DeviceInterface {
private PwmLed redLED;
private PwmLed greenLED;
private PwmLed blueLED;
/**
* @param redPin GPIO for the red LED.
* @param greenPin GPIO for the green LED.
* @param bluePin GPIO for the blue LED.
* @throws RuntimeIOException If an I/O error occurred.
*/
public RgbPwmLed(int redPin, int greenPin, int bluePin) throws RuntimeIOException {
this(DeviceFactoryHelper.getNativeDeviceFactory(), redPin, greenPin, bluePin);
}
/**
* @param deviceFactory Device factory to use to provision this device.
* @param redPin GPIO for the red LED.
* @param greenPin GPIO for the green LED.
* @param bluePin GPIO for the blue LED.
* @throws RuntimeIOException If an I/O error occurred.
*/
public RgbPwmLed(PwmOutputDeviceFactoryInterface deviceFactory, int redPin, int greenPin, int bluePin)
throws RuntimeIOException {
redLED = new PwmLed(deviceFactory, redPin);
greenLED = new PwmLed(deviceFactory, greenPin);
blueLED = new PwmLed(deviceFactory, bluePin);
}
@Override
public void close() {
Logger.trace("close()");
redLED.close();
greenLED.close();
blueLED.close();
}
/**
* Get the value of all LEDs.
*
* @return Boolean array (red, green, blue).
* @throws RuntimeIOException If an I/O error occurred.
*/
public float[] getValues() throws RuntimeIOException {
return new float[] { redLED.getValue(), greenLED.getValue(), blueLED.getValue() };
}
/**
* Set the value of all LEDs.
*
* @param red Red LED value (0..1).
* @param green Green LED value (0..1).
* @param blue Blue LED value (0..1).
* @throws RuntimeIOException If an I/O error occurred.
*/
public void setValues(float red, float green, float blue) throws RuntimeIOException {
redLED.setValue(red);
greenLED.setValue(green);
blueLED.setValue(blue);
}
/**
* Sets the {@link Color} of all the LEDs.
*
* @param color The color to set
* @throws RuntimeIOException If an I/O error occurred.
*/
public void setColor(Color color) throws RuntimeIOException {
setValues(color.getRed() / 255F, color.getGreen() / 255F, color.getBlue() / 255F);
}
/**
* Turn all LEDs on.
*
* @throws RuntimeIOException If an I/O error occurred.
*/
public void on() throws RuntimeIOException {
redLED.on();
greenLED.on();
blueLED.on();
}
/**
* Turn all LEDs off.
*
* @throws RuntimeIOException If an I/O error occurred.
*/
public void off() throws RuntimeIOException {
redLED.off();
greenLED.off();
blueLED.off();
}
/**
* Toggle the state of all LEDs.
*
* @throws RuntimeIOException If an I/O error occurred.
*/
public void toggle() throws RuntimeIOException {
redLED.toggle();
greenLED.toggle();
blueLED.toggle();
}
}
