diff options
Diffstat (limited to 'FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1_FreedomStudio/freedom-metal/metal/spi.h')
| -rw-r--r-- | FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1_FreedomStudio/freedom-metal/metal/spi.h | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1_FreedomStudio/freedom-metal/metal/spi.h b/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1_FreedomStudio/freedom-metal/metal/spi.h index b011fe3ce..635e3c151 100644 --- a/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1_FreedomStudio/freedom-metal/metal/spi.h +++ b/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1_FreedomStudio/freedom-metal/metal/spi.h @@ -25,6 +25,18 @@ struct metal_spi_config { unsigned int cs_active_high : 1; /*! @brief The chip select ID to activate for the SPI transfer */ unsigned int csid; + /*! @brief The spi command frame number (cycles = num * frame_len) */ + unsigned int cmd_num; + /*! @brief The spi address frame number */ + unsigned int addr_num; + /*! @brief The spi dummy frame number */ + unsigned int dummy_num; + /*! @brief The Dual/Quad spi mode selection.*/ + enum { + MULTI_WIRE_ALL, + MULTI_WIRE_DATA_ONLY, + MULTI_WIRE_ADDR_DATA + } multi_wire; }; struct metal_spi_vtable { @@ -42,13 +54,13 @@ struct metal_spi { /*! @brief Get a handle for a SPI device * @param device_num The index of the desired SPI device * @return A handle to the SPI device, or NULL if the device does not exist*/ -struct metal_spi *metal_spi_get_device(int device_num); +struct metal_spi *metal_spi_get_device(unsigned int device_num); /*! @brief Initialize a SPI device with a certain baud rate * @param spi The handle for the SPI device to initialize * @param baud_rate The baud rate to set the SPI device to */ -inline void metal_spi_init(struct metal_spi *spi, int baud_rate) { spi->vtable->init(spi, baud_rate); } +__inline__ void metal_spi_init(struct metal_spi *spi, int baud_rate) { spi->vtable->init(spi, baud_rate); } /*! @brief Perform a SPI transfer * @param spi The handle for the SPI device to perform the transfer @@ -58,7 +70,7 @@ inline void metal_spi_init(struct metal_spi *spi, int baud_rate) { spi->vtable-> * @param rx_buf The buffer to receive data into. Must be len bytes long. If NULL, the SPI will ignore received bytes. * @return 0 if the transfer succeeds */ -inline int metal_spi_transfer(struct metal_spi *spi, struct metal_spi_config *config, size_t len, char *tx_buf, char *rx_buf) { +__inline__ int metal_spi_transfer(struct metal_spi *spi, struct metal_spi_config *config, size_t len, char *tx_buf, char *rx_buf) { return spi->vtable->transfer(spi, config, len, tx_buf, rx_buf); } @@ -66,13 +78,13 @@ inline int metal_spi_transfer(struct metal_spi *spi, struct metal_spi_config *co * @param spi The handle for the SPI device * @return The baud rate in Hz */ -inline int metal_spi_get_baud_rate(struct metal_spi *spi) { return spi->vtable->get_baud_rate(spi); } +__inline__ int metal_spi_get_baud_rate(struct metal_spi *spi) { return spi->vtable->get_baud_rate(spi); } /*! @brief Set the current baud rate of the SPI device * @param spi The handle for the SPI device * @param baud_rate The desired baud rate of the SPI device * @return 0 if the baud rate is successfully changed */ -inline int metal_spi_set_baud_rate(struct metal_spi *spi, int baud_rate) { return spi->vtable->set_baud_rate(spi, baud_rate); } +__inline__ int metal_spi_set_baud_rate(struct metal_spi *spi, int baud_rate) { return spi->vtable->set_baud_rate(spi, baud_rate); } #endif |