com.pi4j.io.gpio.RaspiGpioProvider Maven / Gradle / Ivy
package com.pi4j.io.gpio;
import com.pi4j.wiringpi.GpioInterruptListener;
/*
* #%L
* **********************************************************************
ORGANIZATION : Pi4J
PROJECT : Pi4J :: Java Library (Core)
FILENAME : RaspiGpioProvider.java
This file is part of the Pi4J project. More information about
this project can be found here: http://www.pi4j.com/
**********************************************************************
* %%
* Copyright (C) 2012 - 2018 Pi4J
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* .
* #L%
*/
/**
* Raspberry PI {@link GpioProvider} implementation.
*
* @author Robert Savage (http://www.savagehomeautomation.com)
*/
@SuppressWarnings("unused")
public class RaspiGpioProvider extends WiringPiGpioProviderBase implements GpioProvider, GpioInterruptListener {
public static final String NAME = "RaspberryPi GPIO Provider";
/**
* Default Constructor
*/
public RaspiGpioProvider() {
// set wiringPi interface for internal use
// we will use the (default) WiringPi pin number scheme with the wiringPi library
this(RaspiPinNumberingScheme.DEFAULT_PIN_NUMBERING);
}
/**
* Alternate Constructor allowing user to override default pin numbering scheme
*
* @param pinNumberingScheme
*/
public RaspiGpioProvider(RaspiPinNumberingScheme pinNumberingScheme) {
// set wiringPi interface for internal use
switch(pinNumberingScheme){
case BROADCOM_PIN_NUMBERING: {
// we will use the raw/direct Broadcom GPIO pin number scheme with the wiringPi library
com.pi4j.wiringpi.Gpio.wiringPiSetupGpio();
break;
}
case DEFAULT_PIN_NUMBERING: {
// we will use the WiringPi pin number scheme with the wiringPi library
com.pi4j.wiringpi.Gpio.wiringPiSetup();
break;
}
default: {
throw new RuntimeException("Unsupported pin numbering scheme: " + pinNumberingScheme.name());
}
}
}
@Override
public String getName() {
return NAME;
}
}