hal_spi_lld.c File Reference

Functions
static int32_t	spi_detectPCS (bool isMaster, ioportid_t ssport, uint16_t sspad, int *alt)
static int32_t	spi_detectBaudRate (SPIDriver *spip)
void	spi_lld_master_callback (LPSPI_Type *base, lpspi_master_handle_t *handle, status_t status, void *userData)
void	spi_lld_slave_callback (LPSPI_Type *base, lpspi_slave_handle_t *handle, status_t status, void *userData)
Configuration options
void	spi_lld_init (void)
	Low level SPI driver initialization.
void	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.
void	spi_lld_ignore (SPIDriver *spip, size_t n)
	Ignores data on the SPI bus.
void	spi_lld_exchange (SPIDriver *spip, size_t n, const void *txbuf, void *rxbuf)
	Exchanges data on the SPI bus.
void	spi_lld_send (SPIDriver *spip, size_t n, const void *txbuf)
	Sends data over the SPI bus.
void	spi_lld_receive (SPIDriver *spip, size_t n, void *rxbuf)
	Receives data from the SPI bus.
void	spi_lld_abort (SPIDriver *spip)
	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.

Variables
SPIDriver	SPID1
	SPI0 driver identifier.
SPIDriver	SPID2
	SPI1 driver identifier.

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