001package com.pi4j.io.gpio;
002
003/*
004 * #%L
005 * **********************************************************************
006 * ORGANIZATION  :  Pi4J
007 * PROJECT       :  Pi4J :: Java Library (Core)
008 * FILENAME      :  PinEdge.java  
009 * 
010 * This file is part of the Pi4J project. More information about 
011 * this project can be found here:  http://www.pi4j.com/
012 * **********************************************************************
013 * %%
014 * Copyright (C) 2012 - 2013 Pi4J
015 * %%
016 * Licensed under the Apache License, Version 2.0 (the "License");
017 * you may not use this file except in compliance with the License.
018 * You may obtain a copy of the License at
019 * 
020 *      http://www.apache.org/licenses/LICENSE-2.0
021 * 
022 * Unless required by applicable law or agreed to in writing, software
023 * distributed under the License is distributed on an "AS IS" BASIS,
024 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
025 * See the License for the specific language governing permissions and
026 * limitations under the License.
027 * #L%
028 */
029
030/**
031 * Pin edge definition.
032 *
033 * @author Robert Savage (<a
034 *         href="http://www.savagehomeautomation.com">http://www.savagehomeautomation.com</a>)
035 */
036public enum PinEdge {
037
038    NONE(0, "none"), 
039    BOTH(1, "both"),
040    RISING(2, "rising"), 
041    FALLING(3, "falling");
042
043    private final int value;
044    private final String name;
045
046    private PinEdge(int value, String name) {
047        this.value = value;
048        this.name = name;
049    }
050
051    public int getValue() {
052        return value;
053    }
054
055    public String getName() {
056        return name;
057    }
058    
059    @Override
060    public String toString() {
061        return name;        
062    }    
063    
064    public static PinEdge getEdge(int edge) {
065        for (PinEdge item : PinEdge.values()) {
066            if (item.getValue() == edge) {
067                return item;
068            }
069        }
070        return null;
071    }
072}
073