1 /***************************************************************************** 2 * 3 * mtdev - Multitouch Protocol Translation Library (MIT license) 4 * 5 * Copyright (C) 2010 Henrik Rydberg <rydberg@euromail.se> 6 * Copyright (C) 2010 Canonical Ltd. 7 * 8 * Permission is hereby granted, free of charge, to any person obtaining a 9 * copy of this software and associated documentation files (the "Software"), 10 * to deal in the Software without restriction, including without limitation 11 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 12 * and/or sell copies of the Software, and to permit persons to whom the 13 * Software is furnished to do so, subject to the following conditions: 14 * 15 * The above copyright notice and this permission notice (including the next 16 * paragraph) shall be included in all copies or substantial portions of the 17 * Software. 18 * 19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 22 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 23 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 24 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 25 * DEALINGS IN THE SOFTWARE. 26 * 27 ****************************************************************************/ 28 29 #ifndef MTDEV_IOBUF_H 30 #define MTDEV_IOBUF_H 31 32 #include "common.h" 33 34 #define EVENT_SIZE sizeof(struct input_event) 35 #define DIM_BUFFER (DIM_EVENTS * EVENT_SIZE) 36 37 struct mtdev_iobuf { 38 int head, tail; 39 char data[DIM_BUFFER]; 40 }; 41 42 #endif 43