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Kinetis SPI driver

This commit is contained in:
Fabien Poussin 2019-10-02 13:54:24 +02:00
parent 638024b549
commit bc65ee4513
1 changed files with 13 additions and 72 deletions
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85
os/hal/ports/KINETIS/LLD/SPIv1/hal_spi_lld.h
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@ -105,11 +105,6 @@
/* Driver data structures and types. */
/*===========================================================================*/
/**
* @brief Type of a structure representing an SPI driver.
*/
typedef struct SPIDriver SPIDriver;
/**
* @brief SPI notification callback type.
*
@ -119,77 +114,23 @@ typedef struct SPIDriver SPIDriver;
typedef void (*spicallback_t)(SPIDriver *spip);
/**
* @brief Driver configuration structure.
* @brief Low level fields of the SPI configuration structure.
*/
typedef struct {
/**
* @brief Operation complete callback or @p NULL.
*/
spicallback_t end_cb;
/* End of the mandatory fields.*/
/**
* @brief The chip select line port - when not using pcs.
*/
ioportid_t ssport;
/**
* @brief The chip select line pad number - when not using pcs.
*/
uint16_t sspad;
/**
* @brief SPI initialization data.
*/
#define spi_lld_config_fields \
/* @brief SPI initialization data. */ \
uint32_t tar0;
} SPIConfig;
/**
* @brief Structure representing a SPI driver.
*/
struct SPIDriver {
/**
* @brief Driver state.
*/
spistate_t state;
/**
* @brief Current configuration data.
*/
const SPIConfig *config;
#if SPI_USE_WAIT || defined(__DOXYGEN__)
/**
* @brief Waiting thread.
*/
thread_reference_t thread;
#endif /* SPI_USE_WAIT */
#if SPI_USE_MUTUAL_EXCLUSION || defined(__DOXYGEN__)
/**
* @brief Mutex protecting the bus.
*/
mutex_t mutex;
#endif /* SPI_USE_MUTUAL_EXCLUSION */
#if defined(SPI_DRIVER_EXT_FIELDS)
SPI_DRIVER_EXT_FIELDS
#endif
/* End of the mandatory fields.*/
/**
* @brief Pointer to the SPIx registers block.
*/
SPI_TypeDef *spi;
/**
* @brief Number of bytes/words of data to transfer.
*/
size_t count;
/**
* @brief Word size in bytes.
*/
size_t word_size;
/**
* @brief Pointer to the buffer with data to send.
*/
const uint8_t *txbuf;
/**
* @brief Pointer to the buffer to put received data.
*/
#define spi_lld_driver_fields \
/* @brief Pointer to the SPIx registers block. */ \
SPI_TypeDef *spi; \
/* @brief Number of bytes/words of data to transfer. */ \
size_t count; \
/* @brief Word size in bytes. */ \
size_t word_size; \
/* @brief Pointer to the buffer with data to send. */ \
const uint8_t *txbuf; \
/* @brief Pointer to the buffer to put received data. */ \
uint8_t *rxbuf;
};
/*===========================================================================*/
/* Driver macros. */