drv_spi1.h File Reference

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Macros
#define	SPI1_ENABLE   GPIOA->BSRR |= GPIO_BSRR_BR4
#define	SPI1_DISABLE   GPIOA->BSRR |= GPIO_BSRR_BS4
#define	SPI_BR_PRESCALER_16   (0x3 << 3U)
#define	SPI_BR_PRESCALER_128   (0x6 << 3U)

Functions
void	spi1Init (void)
	Initializes SPI1. More...
void	spi1ReadBytes (uint8_t reg, uint8_t *pData, uint8_t size)
	Reads multiple bytes of data in. More...
void	spi1WriteBytes (uint8_t *pData, uint8_t size)
	Writes multiple bytes of data in. More...
void	spi1ReadOneByte (uint8_t reg, uint8_t *pData)
	Reads one byte of data in. More...
void	spi1WriteOneByte (uint8_t reg, uint8_t data)
	Writes one byte of data. More...

Macro Definition Documentation

SPI1_DISABLE

#define SPI1_DISABLE   GPIOA->BSRR |= GPIO_BSRR_BS4

SPI1_ENABLE

#define SPI1_ENABLE   GPIOA->BSRR |= GPIO_BSRR_BR4

SPI_BR_PRESCALER_128

#define SPI_BR_PRESCALER_128   (0x6 << 3U)

SPI_BR_PRESCALER_16

#define SPI_BR_PRESCALER_16   (0x3 << 3U)

Function Documentation

spi1Init()

void spi1Init

(

void

)

Initializes SPI1.

Returns

Void.

spi1ReadBytes()

void spi1ReadBytes	(	uint8_t	reg,
		uint8_t *	pData,
		uint8_t	size
	)

Reads multiple bytes of data in.

Parameters

reg	The hex value of the first register to read from.
*pData	A pointer to location where you want to read data to.
size	The amount of bytes to be read.

Returns

Void.

spi1ReadOneByte()

void spi1ReadOneByte	(	uint8_t	reg,
		uint8_t *	pData
	)

Reads one byte of data in.

Parameters

reg	The hex value of the register to read from.
*pData	A pointer to location where you want to read data to.

Returns

Void.

spi1WriteBytes()

void spi1WriteBytes	(	uint8_t *	pData,
		uint8_t	size
	)

Writes multiple bytes of data in.

Parameters

reg	The hex value of the register to write to.
*pData	A pointer to the data you want to write.
size	The amount of bytes to write.

Returns

Void.

spi1WriteOneByte()

void spi1WriteOneByte	(	uint8_t	reg,
		uint8_t	data
	)

Writes one byte of data.

Parameters

reg	The hex value of the register to write to.
data	The data to write.

Returns

Void.