diff options
Diffstat (limited to 'os/hal/ports/STM32/LLD/SPIv1')
| -rw-r--r-- | os/hal/ports/STM32/LLD/SPIv1/hal_i2s_lld.h | 125 |
1 files changed, 32 insertions, 93 deletions
diff --git a/os/hal/ports/STM32/LLD/SPIv1/hal_i2s_lld.h b/os/hal/ports/STM32/LLD/SPIv1/hal_i2s_lld.h index 3a193ed1d..37b3f2ac5 100644 --- a/os/hal/ports/STM32/LLD/SPIv1/hal_i2s_lld.h +++ b/os/hal/ports/STM32/LLD/SPIv1/hal_i2s_lld.h @@ -297,105 +297,44 @@ /* Driver data structures and types. */
/*===========================================================================*/
-/**
- * @brief Type of a structure representing an I2S driver.
- */
-typedef struct I2SDriver I2SDriver;
-
-/**
- * @brief I2S notification callback type.
- *
- * @param[in] i2sp pointer to the @p I2SDriver object
- * @param[in] offset offset in buffers of the data to read/write
- * @param[in] n number of samples to read/write
- */
-typedef void (*i2scallback_t)(I2SDriver *i2sp, size_t offset, size_t n);
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
/**
- * @brief Driver configuration structure.
- * @note It could be empty on some architectures.
+ * @brief Low level fields of the I2S driver structure.
*/
-typedef struct {
- /**
- * @brief Transmission buffer pointer.
- * @note Can be @p NULL if TX is not required.
- */
- const void *tx_buffer;
- /**
- * @brief Receive buffer pointer.
- * @note Can be @p NULL if RX is not required.
- */
- void *rx_buffer;
- /**
- * @brief TX and RX buffers size as number of samples.
- */
- size_t size;
- /**
- * @brief Callback function called during streaming.
- */
- i2scallback_t end_cb;
- /* End of the mandatory fields.*/
- /**
- * @brief Configuration of the I2SCFGR register.
- * @details See the STM32 reference manual, this register is used for
- * the I2S configuration, the following bits must not be
- * specified because handled directly by the driver:
- * - I2SMOD
- * - I2SE
- * - I2SCFG
- * .
- */
- int16_t i2scfgr;
- /**
- * @brief Configuration of the I2SPR register.
- * @details See the STM32 reference manual, this register is used for
- * the I2S clock setup.
- */
- int16_t i2spr;
-} I2SConfig;
+#define i2s_lld_driver_fields \
+ /* Pointer to the SPIx registers block.*/ \
+ SPI_TypeDef *spi; \
+ /* Calculated part of the I2SCFGR register.*/ \
+ uint16_t cfg; \
+ /* Receive DMA stream or @p NULL.*/ \
+ const stm32_dma_stream_t *dmarx; \
+ /* Transmit DMA stream or @p NULL.*/ \
+ const stm32_dma_stream_t *dmatx; \
+ /* RX DMA mode bit mask.*/ \
+ uint32_t rxdmamode; \
+ /* TX DMA mode bit mask.*/ \
+ uint32_t txdmamode
/**
- * @brief Structure representing an I2S driver.
+ * @brief Low level fields of the I2S configuration structure.
*/
-struct I2SDriver {
- /**
- * @brief Driver state.
- */
- i2sstate_t state;
- /**
- * @brief Current configuration data.
- */
- const I2SConfig *config;
- /* End of the mandatory fields.*/
- /**
- * @brief Pointer to the SPIx registers block.
- */
- SPI_TypeDef *spi;
- /**
- * @brief Calculated part of the I2SCFGR register.
- */
- uint16_t cfg;
- /**
- * @brief Receive DMA stream or @p NULL.
- */
- const stm32_dma_stream_t *dmarx;
- /**
- * @brief Transmit DMA stream or @p NULL.
- */
- const stm32_dma_stream_t *dmatx;
- /**
- * @brief RX DMA mode bit mask.
- */
- uint32_t rxdmamode;
- /**
- * @brief TX DMA mode bit mask.
- */
- uint32_t txdmamode;
-};
-
-/*===========================================================================*/
-/* Driver macros. */
-/*===========================================================================*/
+#define i2s_lld_config_fields \
+ /* Configuration of the I2SCFGR register. \
+ NOTE: See the STM32 reference manual, this register is used for \
+ the I2S configuration, the following bits must not be \
+ specified because handled directly by the driver: \
+ - I2SMOD \
+ - I2SE \
+ - I2SCFG \
+ */ \
+ int16_t i2scfgr; \
+ /* Configuration of the I2SPR register. \
+ NOTE: See the STM32 reference manual, this register is used for \
+ the I2S clock setup.*/ \
+ int16_t i2spr
/*===========================================================================*/
/* External declarations. */
|