001package com.pi4j.io.gpio.trigger; 002 003/* 004 * #%L 005 * ********************************************************************** 006 * ORGANIZATION : Pi4J 007 * PROJECT : Pi4J :: Java Library (Core) 008 * FILENAME : GpioPulseStateTrigger.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 031import java.util.List; 032 033import com.pi4j.io.gpio.GpioPin; 034import com.pi4j.io.gpio.GpioPinDigitalOutput; 035import com.pi4j.io.gpio.PinState; 036 037public class GpioPulseStateTrigger extends GpioTriggerBase { 038 039 private final GpioPinDigitalOutput targetPin; 040 private final long milliseconds; 041 042 public GpioPulseStateTrigger(GpioPinDigitalOutput targetPin, long milliseconds) { 043 super(); 044 this.targetPin = targetPin; 045 this.milliseconds = milliseconds; 046 } 047 048 public GpioPulseStateTrigger(PinState state, GpioPinDigitalOutput targetPin, long milliseconds) { 049 super(state); 050 this.targetPin = targetPin; 051 this.milliseconds = milliseconds; 052 } 053 054 public GpioPulseStateTrigger(PinState[] states, GpioPinDigitalOutput targetPin, long milliseconds) { 055 super(states); 056 this.targetPin = targetPin; 057 this.milliseconds = milliseconds; 058 } 059 060 public GpioPulseStateTrigger(List<PinState> states, GpioPinDigitalOutput targetPin, long milliseconds) { 061 super(states); 062 this.targetPin = targetPin; 063 this.milliseconds = milliseconds; 064 } 065 066 public GpioPinDigitalOutput getTargetPin() { 067 return targetPin; 068 } 069 070 @Override 071 public void invoke(GpioPin pin, PinState state) { 072 if (targetPin != null) { 073 targetPin.pulse(milliseconds); 074 } 075 } 076}