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

Macro Definition Documentation

#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

Function Documentation

bool spiInit

(

SPI_TypeDef *

instance

)

bool spiIsBusBusy

(

SPI_TypeDef *

instance

)

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

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
	)