MAV'RIC
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00001 /******************************************************************************* 00002 * Copyright (c) 2009-2016, MAV'RIC Development Team 00003 * All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following conditions are met: 00007 * 00008 * 1. Redistributions of source code must retain the above copyright notice, 00009 * this list of conditions and the following disclaimer. 00010 * 00011 * 2. Redistributions in binary form must reproduce the above copyright notice, 00012 * this list of conditions and the following disclaimer in the documentation 00013 * and/or other materials provided with the distribution. 00014 * 00015 * 3. Neither the name of the copyright holder nor the names of its contributors 00016 * may be used to endorse or promote products derived from this software without 00017 * specific prior written permission. 00018 * 00019 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00020 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00021 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00022 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 00023 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00024 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 00025 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00026 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00027 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 00028 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00029 * POSSIBILITY OF SUCH DAMAGE. 00030 ******************************************************************************/ 00031 00032 /******************************************************************************* 00033 * \file gpio.hpp 00034 * 00035 * \author MAV'RIC Team 00036 * 00037 * \brief Abstract class for GPIO peripherals 00038 * 00039 ******************************************************************************/ 00040 00041 #ifndef GPIO_HPP_ 00042 #define GPIO_HPP_ 00043 00047 typedef enum 00048 { 00049 GPIO_INPUT = 0, 00050 GPIO_OUTPUT = 1, 00051 } gpio_dir_t; 00052 00053 00057 typedef enum 00058 { 00059 GPIO_PULL_UPDOWN_NONE = 0, 00060 GPIO_PULL_UPDOWN_UP = 1, 00061 GPIO_PULL_UPDOWN_DOWN = 2, 00062 } gpio_pull_updown_t; 00063 00064 00065 class Gpio 00066 { 00067 public: 00068 00075 virtual bool init(void) = 0; 00076 00085 virtual bool configure(gpio_dir_t dir, gpio_pull_updown_t pull) = 0; 00086 00087 00094 virtual bool set_high(void) = 0; 00095 00096 00103 virtual bool set_low(void) = 0; 00104 00105 00113 virtual bool toggle(void) = 0; 00114 00115 00124 virtual bool write(bool level) = 0; 00125 00126 00132 virtual bool read(void) = 0; 00133 00134 }; 00135 00136 00137 #endif /* GPIO_HPP_ */