/home/travis/build/lis-epfl/MAVRIC_Library/hal/avr32/spi_avr32.hpp

/*******************************************************************************
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/*******************************************************************************
 * \file    spi_avr32.hpp
 *
 * \author  MAV'RIC Team
 *
 * \brief   Implementation of spi peripheral for avr32
 *
 ******************************************************************************/

#ifndef SPI_AVR32_HPP_
#define SPI_AVR32_HPP_

#include "hal/common/spi.hpp"

extern "C"
{
#include "libs/asf/avr32/drivers/spi/spi.h"
}

typedef enum
{
    AVR32_SPI_0             = 0,
    AVR32_SPI_1             = 1,
    AVR32_SPI_2             = 2,
    AVR32_SPI_3             = 3,
    AVR32_SPI_4             = 4,
    AVR32_SPI_MAX_NUMBER    = 5,
} spi_avr32_devices_t;


typedef enum
{
    AVR32_SPI_OFF       = 0,
    AVR32_SPI_IN        = 1,
    AVR32_SPI_OUT       = 2,
    AVR32_SPI_IN_OUT    = 3,
} spi_avr32_mode_t;


typedef struct
{
    uint8_t  pin;                       
    uint8_t  function;                  
} spi_avr32_gpio_map_t;

typedef struct
{
    spi_avr32_devices_t     spi_device;
    spi_avr32_mode_t        mode;
    spi_options_t           options;
    spi_avr32_gpio_map_t    mosi_pin_map;   
    spi_avr32_gpio_map_t    miso_pin_map;   
    spi_avr32_gpio_map_t    sck_pin_map;    
    spi_avr32_gpio_map_t    ss_pin_map;     
} spi_avr32_conf_t;


class Spi_avr32: public Spi
{
public:

    Spi_avr32(spi_avr32_conf_t config);


    bool init(void);


    bool write(const uint8_t* bytes, const uint32_t size = 1);


    bool read(uint16_t command, uint8_t* bytes, const uint32_t size = 1);

    bool transfer(uint8_t* out_buffer, uint8_t* in_buffer, uint32_t nbytes);


private:
    spi_avr32_conf_t            config_;        
    volatile avr32_spi_t*       spi_;           

};


#endif /* SPI_AVR32_HPP_ */