Collaboration diagram for Exported Functions:

Functions
int32_t	BSP_GetTick (void)
	Delay function. More...

int32_t	BSP_I2C4_DeInit (void)
	DeInitializes I2C HAL. More...

int32_t	BSP_I2C4_Init (void)
	Initializes I2C HAL. More...

int32_t	BSP_I2C4_IsReady (uint16_t DevAddr, uint32_t Trials)
	Checks if target device is ready for communication. More...

int32_t	BSP_I2C4_ReadReg (uint16_t DevAddr, uint16_t Reg, uint8_t *pData, uint16_t Length)
	Read a 8bit register of the device through BUS. More...

int32_t	BSP_I2C4_ReadReg16 (uint16_t DevAddr, uint16_t Reg, uint8_t *pData, uint16_t Length)
	Read a 16bit register of the device through BUS. More...

int32_t	BSP_I2C4_WriteReg (uint16_t DevAddr, uint16_t Reg, uint8_t *pData, uint16_t Length)
	Write a 8bit value in a register of the device through BUS. More...

int32_t	BSP_I2C4_WriteReg16 (uint16_t DevAddr, uint16_t Reg, uint8_t *pData, uint16_t Length)
	Write a 16bit value in a register of the device through BUS. More...

__weak HAL_StatusTypeDef	MX_I2C4_Init (I2C_HandleTypeDef *hI2c, uint32_t timing)
	MX I2C4 initialization. More...

Detailed Description

Function Documentation

◆ BSP_GetTick()

int32_t BSP_GetTick ( void )

Delay function.

Return values

Tick value

Definition at line 483 of file stm32h747i_discovery_bus.c.

◆ BSP_I2C4_DeInit()

int32_t BSP_I2C4_DeInit ( void )

DeInitializes I2C HAL.

Return values

BSP status

Definition at line 241 of file stm32h747i_discovery_bus.c.

◆ BSP_I2C4_Init()

int32_t BSP_I2C4_Init ( void )

Initializes I2C HAL.

Return values

BSP status

Definition at line 190 of file stm32h747i_discovery_bus.c.

◆ BSP_I2C4_IsReady()

int32_t BSP_I2C4_IsReady	(	uint16_t	DevAddr,
		uint32_t	Trials
	)

Checks if target device is ready for communication.

Note: This function is used with Memory devices

Parameters

DevAddr	Target device address
Trials	Number of trials

Return values

BSP status

Definition at line 461 of file stm32h747i_discovery_bus.c.

◆ BSP_I2C4_ReadReg()

int32_t BSP_I2C4_ReadReg	(	uint16_t	DevAddr,
		uint16_t	Reg,
		uint8_t *	pData,
		uint16_t	Length
	)

Read a 8bit register of the device through BUS.

Parameters

DevAddr	Device address on BUS
Reg	The target register address to read
pData	Pointer to data buffer
Length	Length of the data

Return values

BSP status

Definition at line 351 of file stm32h747i_discovery_bus.c.

◆ BSP_I2C4_ReadReg16()

int32_t BSP_I2C4_ReadReg16	(	uint16_t	DevAddr,
		uint16_t	Reg,
		uint8_t *	pData,
		uint16_t	Length
	)

Read a 16bit register of the device through BUS.

Parameters

DevAddr	Device address on BUS
Reg	The target register address to read
pData	Pointer to data buffer
Length	Length of the data

Return values

BSP status

Definition at line 425 of file stm32h747i_discovery_bus.c.

◆ BSP_I2C4_WriteReg()

int32_t BSP_I2C4_WriteReg	(	uint16_t	DevAddr,
		uint16_t	Reg,
		uint8_t *	pData,
		uint16_t	Length
	)

Write a 8bit value in a register of the device through BUS.

Parameters

DevAddr	Device address on Bus.
Reg	The target register address to write
pData	The target register value to be written
Length	buffer size to be written

Return values

BSP status

Definition at line 314 of file stm32h747i_discovery_bus.c.

◆ BSP_I2C4_WriteReg16()

int32_t BSP_I2C4_WriteReg16	(	uint16_t	DevAddr,
		uint16_t	Reg,
		uint8_t *	pData,
		uint16_t	Length
	)

Write a 16bit value in a register of the device through BUS.

Parameters

DevAddr	Device address on Bus.
Reg	The target register address to write
pData	The target register value to be written
Length	buffer size to be written

Return values

BSP status

Definition at line 388 of file stm32h747i_discovery_bus.c.

◆ MX_I2C4_Init()

HAL_StatusTypeDef MX_I2C4_Init	(	I2C_HandleTypeDef *	hI2c,
		uint32_t	timing
	)

MX I2C4 initialization.

Parameters

hI2c	I2C handle
timing	I2C timing

Return values

HAL status

Definition at line 268 of file stm32h747i_discovery_bus.c.