SPI (Serial Peripheral Interface) interface. More...
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Data Structures | |
| struct | hw_spi_t |
| SPI adapter. More... | |
Typedefs | |
| typedef struct hw_spi_t | hw_spi_t |
| SPI adapter. | |
Functions | |
| hw_spi_t | hw_spi_init_default (bool cs_active_low, uint32_t baudrate) |
| Initialize a SPI interface using default pins and adapter. More... | |
| hw_spi_t | hw_spi_init (uint8_t adapter, uint8_t sck, uint8_t tx, uint8_t rx, uint8_t cs, bool cs_active_low, uint32_t baudrate) |
| Initialize a SPI interface with specific adapter and pins. More... | |
| void | hw_spi_finalize (hw_spi_t *spi) |
| Finalize and release a SPI interface. More... | |
| uint8_t | hw_spi_count (void) |
| Get the total number of available SPI adapters. More... | |
| static bool | hw_spi_valid (hw_spi_t *spi) |
| Get true if the SPI interface is valid. More... | |
| size_t | hw_spi_xfr (hw_spi_t *spi, void *data, size_t tx, size_t rx) |
| Perform a SPI transfer operation (read, write, or combined). More... | |
| size_t | hw_spi_read (hw_spi_t *spi, uint8_t reg, void *data, size_t len) |
| Read data from a specific register of a SPI device. More... | |
| size_t | hw_spi_write (hw_spi_t *spi, uint8_t reg, const void *data, size_t len) |
| Write data to a specific register of a SPI device. More... | |
Detailed Description
SPI (Serial Peripheral Interface) interface.
Definition in file spi.h.