Collaboration diagram for STM32F4 DISCOVERY LOW LEVEL BUS Functions:

Functions
void	ACCELERO_IO_Read (uint8_t *pBuffer, uint8_t ReadAddr, uint16_t NumByteToRead)
	Reads a block of data from the Accelerometer. More...

void	ACCELERO_IO_Write (uint8_t *pBuffer, uint8_t WriteAddr, uint16_t NumByteToWrite)
	Writes one byte to the Accelerometer. More...

uint8_t	AUDIO_IO_Read (uint8_t Addr, uint8_t Reg)
	Reads a single data. More...

void	AUDIO_IO_Write (uint8_t Addr, uint8_t Reg, uint8_t Value)
	Writes a single data. More...

static void	I2Cx_Error (uint8_t Addr)
	Manages error callback by re-initializing I2C. More...

static uint8_t	I2Cx_ReadData (uint8_t Addr, uint8_t Reg)
	Read a register of the device through BUS. More...

static void	I2Cx_WriteData (uint8_t Addr, uint8_t Reg, uint8_t Value)
	Write a value in a register of the device through BUS. More...

static uint8_t	SPIx_WriteRead (uint8_t Byte)
	Sends a Byte through the SPI interface and return the Byte received from the SPI bus. More...

Detailed Description

Function Documentation

◆ ACCELERO_IO_Read()

void ACCELERO_IO_Read	(	uint8_t *	pBuffer,
		uint8_t	ReadAddr,
		uint16_t	NumByteToRead
	)

Reads a block of data from the Accelerometer.

Parameters

pBuffer	pointer to the buffer that receives the data read from the Accelerometer.
ReadAddr	Accelerometer's internal address to read from.
NumByteToRead	number of bytes to read from the Accelerometer.

Definition at line 592 of file stm32f4_discovery.c.

◆ ACCELERO_IO_Write()

void ACCELERO_IO_Write	(	uint8_t *	pBuffer,
		uint8_t	WriteAddr,
		uint16_t	NumByteToWrite
	)

Writes one byte to the Accelerometer.

Parameters

pBuffer	pointer to the buffer containing the data to be written to the Accelerometer.
WriteAddr	Accelerometer's internal address to write to.
NumByteToWrite	Number of bytes to write.

Definition at line 558 of file stm32f4_discovery.c.

◆ AUDIO_IO_Read()

uint8_t AUDIO_IO_Read	(	uint8_t	Addr,
		uint8_t	Reg
	)

Reads a single data.

Parameters

Addr	I2C address
Reg	Reg address

Return values

Data	to be read

Definition at line 680 of file stm32f4_discovery.c.

◆ AUDIO_IO_Write()

void AUDIO_IO_Write	(	uint8_t	Addr,
		uint8_t	Reg,
		uint8_t	Value
	)

Writes a single data.

Parameters

Addr	I2C address
Reg	Reg address
Value	Data to be written

Definition at line 669 of file stm32f4_discovery.c.

◆ I2Cx_Error()

static void I2Cx_Error ( uint8_t Addr )

static

Manages error callback by re-initializing I2C.

Parameters

Addr	I2C Address

Definition at line 454 of file stm32f4_discovery.c.

◆ I2Cx_ReadData()

static uint8_t I2Cx_ReadData	(	uint8_t	Addr,
		uint8_t	Reg
	)

static

Read a register of the device through BUS.

Parameters

Addr	Device address on BUS
Reg	The target register address to read

Return values

HAL status

Definition at line 434 of file stm32f4_discovery.c.

◆ I2Cx_WriteData()

static void I2Cx_WriteData	(	uint8_t	Addr,
		uint8_t	Reg,
		uint8_t	Value
	)

static

Write a value in a register of the device through BUS.

Parameters

Addr	Device address on BUS Bus.
Reg	The target register address to write
Value	The target register value to be written

Return values

HAL status

Definition at line 414 of file stm32f4_discovery.c.

◆ SPIx_WriteRead()

static uint8_t SPIx_WriteRead ( uint8_t Byte )

static

Sends a Byte through the SPI interface and return the Byte received from the SPI bus.

Parameters

Byte	Byte send.

Return values

The	received byte value

Definition at line 338 of file stm32f4_discovery.c.