/* * The MIT License (MIT) * * Copyright (c) 2014-2016 Gary Rowe * * 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. * */ package org.hid4java; /** * Provide a collection of different device enumeration scanning modes so that * device attach/detach events can be generated. */ public enum ScanMode { /** * Equivalent to scan interval of zero. */ NO_SCAN, /** * Trigger continuous scan at given interval. */ SCAN_AT_FIXED_INTERVAL, /** * Trigger continuous scan at given interval but introduce a pause after a write * operation to allow the device time to process data without having to respond * to further enumeration requests. * * This can be a useful strategy for handling devices with constrained processing * power and/or limited USB stacks. * * Note this will affect the time to generate a device attach/detach event since * scanning will be paused. */ SCAN_AT_FIXED_INTERVAL_WITH_PAUSE_AFTER_WRITE, }