com.diozero.internal.provider.bbbiolib.BbbIoLibDigitalOutputDevice Maven / Gradle / Ivy
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package com.diozero.internal.provider.bbbiolib;
/*-
* #%L
* Organisation: diozero
* Project: diozero - BBBioLib
* Filename: BbbIoLibDigitalOutputDevice.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.PinInfo;
import com.diozero.api.RuntimeIOException;
import com.diozero.internal.spi.AbstractDevice;
import com.diozero.internal.spi.GpioDigitalOutputDeviceInterface;
public class BbbIoLibDigitalOutputDevice extends AbstractDevice implements GpioDigitalOutputDeviceInterface {
private PinInfo pinInfo;
public BbbIoLibDigitalOutputDevice(BbbIoLibDeviceFactory deviceFactory, String key, PinInfo pinInfo,
boolean initialValue) {
super(key, deviceFactory);
this.pinInfo = pinInfo;
BbbIoLibNative.setDir(BbbIoLibDeviceFactory.getPort(pinInfo), (byte) pinInfo.getPhysicalPin(),
BbbIoLibNative.BBBIO_DIR_OUT);
setValue(initialValue);
}
@Override
public int getGpio() {
return pinInfo.getDeviceNumber();
}
@Override
public boolean getValue() throws RuntimeIOException {
int rc = BbbIoLibNative.getValue(BbbIoLibDeviceFactory.getPort(pinInfo), (byte) pinInfo.getPhysicalPin());
if (rc < 0) {
throw new RuntimeIOException("Error in BBBioLib.getValue(" + getGpio() + ")");
}
return rc == 1;
}
@Override
public void setValue(boolean value) throws RuntimeIOException {
BbbIoLibNative.setValue(BbbIoLibDeviceFactory.getPort(pinInfo), (byte) pinInfo.getPhysicalPin(), value);
}
@Override
protected void closeDevice() throws RuntimeIOException {
Logger.trace("closeDevice() {}", getKey());
// Revert to input mode?
BbbIoLibNative.setDir(BbbIoLibDeviceFactory.getPort(pinInfo), (byte) pinInfo.getPhysicalPin(),
BbbIoLibNative.BBBIO_DIR_IN);
}
}