hal_spi_v2_lld.h File Reference

PLATFORM SPI (v2) subsystem low level driver header. More...

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Macros
#define	SPI_SUPPORTS_CIRCULAR   TRUE
	Circular mode support flag.
#define	SPI_SUPPORTS_SLAVE_MODE   TRUE
	Slave mode support flag.
#define	spi_lld_driver_fields
	Low level fields of the SPI driver structure.
#define	spi_lld_config_fields
	Low level fields of the SPI configuration structure.
PLATFORM configuration options
#define	PLATFORM_SPI_USE_SPI1   FALSE
	SPI1 driver enable switch.

Functions
void	spi_lld_init (void)
	Low level SPI driver initialization.
msg_t	spi_lld_start (SPIDriver *spip)
	Configures and activates the SPI peripheral.
void	spi_lld_stop (SPIDriver *spip)
	Deactivates the SPI peripheral.
void	spi_lld_select (SPIDriver *spip)
	Asserts the slave select signal and prepares for transfers.
void	spi_lld_unselect (SPIDriver *spip)
	Deasserts the slave select signal.
msg_t	spi_lld_ignore (SPIDriver *spip, size_t n)
	Ignores data on the SPI bus.
msg_t	spi_lld_exchange (SPIDriver *spip, size_t n, const void *txbuf, void *rxbuf)
	Exchanges data on the SPI bus.
msg_t	spi_lld_send (SPIDriver *spip, size_t n, const void *txbuf)
	Sends data over the SPI bus.
msg_t	spi_lld_receive (SPIDriver *spip, size_t n, void *rxbuf)
	Receives data from the SPI bus.
msg_t	spi_lld_stop_transfer (SPIDriver *spip, size_t *sizep)
	Aborts the ongoing SPI operation, if any.
uint16_t	spi_lld_polled_exchange (SPIDriver *spip, uint16_t frame)
	Exchanges one frame using a polled wait.

Detailed Description

PLATFORM SPI (v2) subsystem low level driver header.

Definition in file hal_spi_v2_lld.h.