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 i2c_avr32.hpp 00034 * 00035 * \author MAV'RIC Team 00036 * 00037 * \brief I2C peripheral driver for AVR32 00038 * 00039 ******************************************************************************/ 00040 00041 #ifndef I2C_AVR32_HPP_ 00042 #define I2C_AVR32_HPP_ 00043 00044 #include "hal/common/i2c.hpp" 00045 00046 extern "C" 00047 { 00048 #include "libs/asf/avr32/drivers/twim/twim.h" 00049 } 00050 00051 00055 typedef enum 00056 { 00057 AVR32_I2C0 = 0, 00058 AVR32_I2C1 = 1 00059 } i2c_avr32_devices_t; 00060 00061 00065 typedef struct 00066 { 00067 i2c_avr32_devices_t i2c_device; 00068 twim_options_t twi_opt; 00069 bool tenbit; 00070 uint8_t sda_pin; 00071 uint8_t clk_pin; 00072 } i2c_avr32_conf_t; 00073 00074 00078 class I2c_avr32: public I2c 00079 { 00080 public: 00086 I2c_avr32(i2c_avr32_conf_t config); 00087 00088 00095 bool init(void); 00096 00097 00106 bool probe(uint32_t address); 00107 00108 00119 bool write(const uint8_t* buffer, uint32_t nbytes, uint32_t address); 00120 00121 00132 bool read(uint8_t* buffer, uint32_t nbytes, uint32_t address); 00133 00134 00135 private: 00136 i2c_avr32_conf_t config_; 00137 volatile avr32_twim_t* twim_; 00138 00139 }; 00140 00141 00142 #endif /* I2C_AVR32_HPP_ */