drv_spi_master.h

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#ifndef _DRV_SPI_MASTER_H_
#define _DRV_SPI_MASTER_H_
 
#ifdef __cplusplus
extern "C"{
#endif
 
#include "drv_name.h"
#include "generic_pointer.h"
#include "drv_digital_out.h"
#include "hal_spi_master.h"
 
typedef enum
{
 SPI_MASTER_SUCCESS = 0, 
 SPI_MASTER_ERROR = (-1) 
} spi_master_err_t;
 
typedef enum {
 SPI_MASTER_MODE_0 = 0, 
 SPI_MASTER_MODE_1, 
 SPI_MASTER_MODE_2, 
 SPI_MASTER_MODE_3, 
 SPI_MASTER_MODE_DEFAULT = SPI_MASTER_MODE_0 
} spi_master_mode_t;
 
typedef enum
{
 SPI_MASTER_CHIP_SELECT_POLARITY_ACTIVE_LOW = 0,
 SPI_MASTER_CHIP_SELECT_POLARITY_ACTIVE_HIGH,
 
 SPI_MASTER_CHIP_SELECT_DEFAULT_POLARITY = SPI_MASTER_CHIP_SELECT_POLARITY_ACTIVE_LOW
} spi_master_chip_select_polarity_t;
 
typedef struct
{
 uint8_t default_write_data; 
 pin_name_t sck; 
 pin_name_t miso; 
 pin_name_t mosi; 
 uint32_t speed; 
 spi_master_mode_t mode; 
} spi_master_config_t;
 
typedef struct
{
 handle_t handle; 
 spi_master_config_t config; 
} spi_master_t;
 
void spi_master_configure_default( spi_master_config_t *config );
 
err_t spi_master_open( spi_master_t *obj, spi_master_config_t *config );
 
void spi_master_select_device( pin_name_t chip_select );
 
void spi_master_deselect_device( pin_name_t chip_select );
 
void spi_master_set_chip_select_polarity( spi_master_chip_select_polarity_t polarity );
 
err_t spi_master_set_default_write_data( spi_master_t *obj, uint8_t default_write_data );
 
err_t spi_master_set_speed( spi_master_t *obj, uint32_t speed );
 
err_t spi_master_set_mode( spi_master_t *obj, spi_master_mode_t mode );
 
err_t spi_master_write( spi_master_t *obj, uint8_t * __generic_ptr write_data_buffer,
 size_t write_data_length );
 
err_t spi_master_read( spi_master_t *obj, uint8_t *read_data_buffer,
 size_t read_data_length );
 
err_t spi_master_write_then_read( spi_master_t *obj, uint8_t *write_data_buffer,
 size_t length_write_data,
 uint8_t *read_data_buffer,
 size_t length_read_data );
 
err_t spi_master_close( spi_master_t *obj );
 // drvspigroup // drvgroup // pergroup
 
#ifdef __cplusplus
}
#endif
 
#endif // _DRV_SPI_MASTER_H_
// ------------------------------------------------------------------------- END