MAV'RIC
/home/travis/build/lis-epfl/MAVRIC_Library/hal/common/i2c.hpp
00001 /*******************************************************************************
00002  * Copyright (c) 2009-2016, MAV'RIC Development Team
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00031 
00032 /*******************************************************************************
00033  * \file    i2c.hpp
00034  *
00035  * \author  MAV'RIC Team
00036  *
00037  * \brief   Abstract class for i2c peripherals
00038  *
00039  ******************************************************************************/
00040 
00041 #ifndef I2C_HPP_
00042 #define I2C_HPP_
00043 
00044 #include <cstdint>
00045 
00046 class I2c
00047 {
00048 public:
00049 
00056     virtual bool init(void) = 0;
00057 
00058 
00067     virtual bool probe(uint32_t address) = 0;
00068 
00069 
00080     virtual bool write(const uint8_t* buffer, uint32_t nbytes, uint32_t address) = 0;
00081 
00082 
00093     virtual bool read(uint8_t* buffer, uint32_t nbytes, uint32_t address) = 0;
00094 
00095 
00108     virtual bool transfer(uint8_t* out_buffer, uint32_t ntxbytes, uint8_t* in_buffer, uint32_t nrxbytes, uint32_t address)
00109     {
00110         bool ret = true;
00111 
00112         // By default do two separate operations for read and write
00113         // Override this method if two-way transfer is supported.
00114         ret &= write(out_buffer, ntxbytes, address);
00115         ret &= read(in_buffer, nrxbytes, address);
00116 
00117         return ret;
00118     };
00119 };
00120 
00121 
00122 #endif /* I2C_HPP_ */
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