com.diozero.internal.provider.PwmOutputDeviceInterface Maven / Gradle / Ivy
package com.diozero.internal.provider;
/*
* #%L
* Organisation: mattjlewis
* Project: Device I/O Zero - Core
* Filename: PwmOutputDeviceInterface.java
*
* This file is part of the diozero project. More information about this project
* can be found at http://www.diozero.com/
* %%
* Copyright (C) 2016 - 2017 mattjlewis
* %%
* 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 com.diozero.api.DeviceMode;
import com.diozero.util.RuntimeIOException;
public interface PwmOutputDeviceInterface extends GpioDeviceInterface {
/**
* Get the device PWM output device number
* @return Device native PWM output
*/
int getPwmNum();
/**
* Get the current PWM output value (0..1)
* @return Range is 0..1
* @throws RuntimeIOException if an I/O error occurs
*/
float getValue() throws RuntimeIOException;
/**
* Set the PWM output value (0..1)
* @param value Relative value in the range 0..1
* @throws RuntimeIOException if an I/O error occurs
*/
void setValue(float value) throws RuntimeIOException;
@Override
default DeviceMode getMode() {
return DeviceMode.PWM_OUTPUT;
}
}