drv_spi.h File Reference

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Macros
#define	SPI_0_28125MHZ_CLOCK_DIVIDER   256
#define	SPI_0_5625MHZ_CLOCK_DIVIDER   128
#define	SPI_18MHZ_CLOCK_DIVIDER   2
#define	SPI_9MHZ_CLOCK_DIVIDER   4

Functions
bool	spiInit (SPI_TypeDef *instance)
bool	spiIsBusBusy (SPI_TypeDef *instance)
void	spiSetDivisor (SPI_TypeDef *instance, uint16_t divisor)
void	spiTransfer (SPI_TypeDef *instance, uint8_t *out, const uint8_t *in, int len)
uint8_t	spiTransferByte (SPI_TypeDef *instance, uint8_t in)

Macro Definition Documentation

SPI_0_28125MHZ_CLOCK_DIVIDER

#define SPI_0_28125MHZ_CLOCK_DIVIDER   256

Definition at line 20 of file drv_spi.h.

SPI_0_5625MHZ_CLOCK_DIVIDER

#define SPI_0_5625MHZ_CLOCK_DIVIDER   128

Definition at line 21 of file drv_spi.h.

SPI_18MHZ_CLOCK_DIVIDER

#define SPI_18MHZ_CLOCK_DIVIDER   2

Definition at line 22 of file drv_spi.h.

SPI_9MHZ_CLOCK_DIVIDER

#define SPI_9MHZ_CLOCK_DIVIDER   4

Definition at line 23 of file drv_spi.h.

Function Documentation

spiInit()

bool spiInit

(

SPI_TypeDef *

instance

)

Definition at line 372 of file drv_spi.c.

spiIsBusBusy()

bool spiIsBusBusy

(

SPI_TypeDef *

instance

)

Return true if the bus is currently in the middle of a transmission.

Definition at line 425 of file drv_spi.c.

spiSetDivisor()

void spiSetDivisor	(	SPI_TypeDef *	instance,
		uint16_t	divisor
	)

Definition at line 460 of file drv_spi.c.

spiTransfer()

void spiTransfer	(	SPI_TypeDef *	instance,
		uint8_t *	out,
		const uint8_t *	in,
		int	len
	)

Definition at line 430 of file drv_spi.c.

spiTransferByte()

uint8_t spiTransferByte	(	SPI_TypeDef *	instance,
		uint8_t	in
	)

Definition at line 399 of file drv_spi.c.