2 * Copyright (c) 2010-2023 Contributors to the openHAB project
4 * See the NOTICE file(s) distributed with this work for additional
7 * This program and the accompanying materials are made available under the
8 * terms of the Eclipse Public License 2.0 which is available at
9 * http://www.eclipse.org/legal/epl-2.0
11 * SPDX-License-Identifier: EPL-2.0
13 package org.openhab.binding.mcp23017.internal;
15 import com.pi4j.io.gpio.GpioController;
16 import com.pi4j.io.gpio.GpioFactory;
17 import com.pi4j.wiringpi.GpioUtil;
20 * The {@link GPIODataHolder} holds a reference to GpioController.
21 * There should be only one instance per whole system
23 * @author Anatol Ogorek - Initial contribution
25 public class GPIODataHolder {
27 GpioUtil.enableNonPrivilegedAccess();
29 public static final GpioController GPIO = GpioFactory.getInstance();