STM32469I Discovery LOW LEVEL Private Functions

Functions
static void	I2C1_Write (uint8_t Addr, uint8_t Reg, uint8_t Value)
	Writes a single data.
static uint8_t	I2C1_Read (uint8_t Addr, uint8_t Reg)
	Reads a single data.
static HAL_StatusTypeDef	I2C1_ReadMultiple (uint8_t Addr, uint16_t Reg, uint16_t MemAddress, uint8_t *Buffer, uint16_t Length)
	Reads multiple data.
static HAL_StatusTypeDef	I2C1_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	I2C1_IsDeviceReady (uint16_t DevAddress, uint32_t Trials)
	Checks if target device is ready for communication.
static void	I2C1_Error (uint8_t Addr)
	Manages error callback by re-initializing I2C.

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Function Documentation

static void I2C1_Error

(

uint8_t

Addr

)

[static]

Manages error callback by re-initializing I2C.

Parameters:

Addr,:

I2C Address

Definition at line 711 of file stm32469i_discovery.c.

References heval_I2c1, and I2C1_Init().

Referenced by I2C1_Read(), I2C1_ReadMultiple(), I2C1_Write(), and I2C1_WriteMultiple().

static HAL_StatusTypeDef I2C1_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 702 of file stm32469i_discovery.c.

References heval_I2c1.

Referenced by EEPROM_IO_IsDeviceReady().

static uint8_t I2C1_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 555 of file stm32469i_discovery.c.

References heval_I2c1, and I2C1_Error().

Referenced by TS_IO_Read().

static HAL_StatusTypeDef I2C1_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 586 of file stm32469i_discovery.c.

References heval_I2c1, and I2C1_Error().

Referenced by EEPROM_IO_ReadData(), and TS_IO_ReadMultiple().

static void I2C1_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 529 of file stm32469i_discovery.c.

References heval_I2c1, and I2C1_Error().

Referenced by TS_IO_Write().

static HAL_StatusTypeDef I2C1_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 645 of file stm32469i_discovery.c.

References heval_I2c1, and I2C1_Error().

Referenced by EEPROM_IO_WriteData(), and TS_IO_WriteMultiple().