MAV'RIC
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00001 /*******************************************************************************
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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_ */
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