STM32469I EVAL LOW LEVEL Private Functions

Functions
static void	I2Cx_Write (uint8_t Addr, uint8_t Reg, uint8_t Value)
	Writes a single data.
static uint8_t	I2Cx_Read (uint8_t Addr, uint8_t Reg)
	Reads a single data.
static HAL_StatusTypeDef	I2Cx_ReadMultiple (uint8_t Addr, uint16_t Reg, uint16_t MemAddress, uint8_t *Buffer, uint16_t Length)
	Reads multiple data.
static HAL_StatusTypeDef	I2Cx_WriteMultiple (uint8_t Addr, uint16_t Reg, uint16_t MemAddress, uint8_t *Buffer, uint16_t Length)
	Writes a value in a register of the device through BUS in using DMA mode.
static HAL_StatusTypeDef	I2Cx_IsDeviceReady (uint16_t DevAddress, uint32_t Trials)
	Checks if target device is ready for communication.
static void	I2Cx_Error (uint8_t Addr)
	Manages error callback by re-initializing I2C.

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Function Documentation

static void I2Cx_Error

(

uint8_t

Addr

)

[static]

Manages error callback by re-initializing I2C.

Parameters:

Addr,:

I2C Address

Definition at line 830 of file stm32469i_eval.c.

References heval_I2c, and I2Cx_Init().

Referenced by I2Cx_Read(), I2Cx_ReadMultiple(), I2Cx_Write(), and I2Cx_WriteMultiple().

static HAL_StatusTypeDef I2Cx_IsDeviceReady	(	uint16_t	DevAddress,
		uint32_t	Trials
	)		[static]

Checks if target device is ready for communication.

Note:

This function is used with Memory devices

Parameters:

DevAddress,:	Target device address
Trials,:	Number of trials

Return values:

HAL

status

Definition at line 821 of file stm32469i_eval.c.

References heval_I2c.

Referenced by EEPROM_IO_IsDeviceReady().

static uint8_t I2Cx_Read	(	uint8_t	Addr,
		uint8_t	Reg
	)		[static]

Reads a single data.

Parameters:

Addr,:	I2C address
Reg,:	Register address

Return values:

Read

data

Definition at line 724 of file stm32469i_eval.c.

References heval_I2c, and I2Cx_Error().

Referenced by IOE_Read(), and TS_IO_Read().

static HAL_StatusTypeDef I2Cx_ReadMultiple	(	uint8_t	Addr,
		uint16_t	Reg,
		uint16_t	MemAddress,
		uint8_t *	Buffer,
		uint16_t	Length
	)		[static]

Reads multiple data.

Parameters:

Addr,:	I2C address
Reg,:	Reg address
MemAddress,:	memory address
Buffer,:	Pointer to data buffer
Length,:	Length of the data

Return values:

HAL

status

Definition at line 755 of file stm32469i_eval.c.

References heval_I2c, and I2Cx_Error().

Referenced by AUDIO_IO_Read(), CAMERA_IO_Read(), EEPROM_IO_ReadData(), IOE_ReadMultiple(), and TS_IO_ReadMultiple().

static void I2Cx_Write	(	uint8_t	Addr,
		uint8_t	Reg,
		uint8_t	Value
	)		[static]

Writes a single data.

Parameters:

Addr,:	I2C address
Reg,:	Register address
Value,:	Data to be written

Definition at line 698 of file stm32469i_eval.c.

References heval_I2c, and I2Cx_Error().

Referenced by IOE_Write(), and TS_IO_Write().

static HAL_StatusTypeDef I2Cx_WriteMultiple	(	uint8_t	Addr,
		uint16_t	Reg,
		uint16_t	MemAddress,
		uint8_t *	Buffer,
		uint16_t	Length
	)		[static]

Writes a value in a register of the device through BUS in using DMA mode.

Parameters:

Addr,:	Device address on BUS Bus.
Reg,:	The target register address to write
MemAddress,:	memory address
Buffer,:	The target register value to be written
Length,:	buffer size to be written

Return values:

HAL

status

Definition at line 789 of file stm32469i_eval.c.

References heval_I2c, and I2Cx_Error().

Referenced by AUDIO_IO_Write(), CAMERA_IO_Write(), EEPROM_IO_WriteData(), IOE_WriteMultiple(), and TS_IO_WriteMultiple().