Functions
void	I2C1_Init (void)
	I2C Bus initialization.
void	I2C1_Error (void)
	Manages error callback by re-initializing I2C.
void	I2C1_MspInit (I2C_HandleTypeDef *hi2c)
	I2C MSP Initialization.
void	I2C1_Write (uint8_t Addr, uint8_t Reg, uint8_t Value)
	Writes a single data.
uint8_t	I2C1_Read (uint8_t Addr, uint8_t Reg)
	Reads a single data.
HAL_StatusTypeDef	I2C1_WriteBuffer (uint16_t Addr, uint8_t Reg, uint16_t RegSize, uint8_t *pBuffer, uint16_t Length)
	Write a value in a register of the device through BUS.
HAL_StatusTypeDef	I2C1_ReadBuffer (uint16_t Addr, uint8_t Reg, uint16_t RegSize, uint8_t *pBuffer, uint16_t Length)
	Reads multiple data on the BUS.
HAL_StatusTypeDef	I2C1_IsDeviceReady (uint16_t DevAddress, uint32_t Trials)
	Checks if target device is ready for communication.

Function Documentation

void I2C1_Error ( void )

Manages error callback by re-initializing I2C.

Return values:

None

Definition at line 336 of file stm32f3xx_nucleo_32.c.

References I2C1_Init(), and nucleo32_I2c1.

Referenced by I2C1_Read(), I2C1_ReadBuffer(), I2C1_Write(), and I2C1_WriteBuffer().

void I2C1_Init ( void )

I2C Bus initialization.

Return values:

None

Definition at line 209 of file stm32f3xx_nucleo_32.c.

References BSP_I2C1, I2C1_MspInit(), I2C1_TIMING, and nucleo32_I2c1.

Referenced by BSP_DIGIT4_SEG7_Init(), and I2C1_Error().

HAL_StatusTypeDef I2C1_IsDeviceReady	(	uint16_t	DevAddress,
		uint32_t	Trials
	)

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 303 of file stm32f3xx_nucleo_32.c.

References I2c1Timeout, and nucleo32_I2c1.

void I2C1_MspInit ( I2C_HandleTypeDef * hi2c )

I2C MSP Initialization.

Parameters:

hi2c	I2C handle

Return values:

None

Definition at line 350 of file stm32f3xx_nucleo_32.c.

References BSP_I2C1_CLK_ENABLE, BSP_I2C1_FORCE_RESET, BSP_I2C1_GPIO_CLK_ENABLE, BSP_I2C1_GPIO_PORT, BSP_I2C1_RELEASE_RESET, BSP_I2C1_SCL_PIN, BSP_I2C1_SCL_SDA_AF, and BSP_I2C1_SDA_PIN.

Referenced by I2C1_Init().

uint8_t I2C1_Read	(	uint8_t	Addr,
		uint8_t	Reg
	)

Reads a single data.

Parameters:

Addr	I2C address
Reg	Register address

Return values:

Read data

Definition at line 256 of file stm32f3xx_nucleo_32.c.

References I2C1_Error(), and nucleo32_I2c1.

HAL_StatusTypeDef I2C1_ReadBuffer	(	uint16_t	Addr,
		uint8_t	Reg,
		uint16_t	RegSize,
		uint8_t *	pBuffer,
		uint16_t	Length
	)

Reads multiple data on the BUS.

Parameters:

Addr	I2C Address
Reg	Reg Address
RegSize	The target register size (can be 8BIT or 16BIT)
pBuffer	pointer to read data buffer
Length	length of the data

Return values:

0	if no problems to read multiple data

Definition at line 281 of file stm32f3xx_nucleo_32.c.

References I2C1_Error(), I2c1Timeout, and nucleo32_I2c1.

void I2C1_Write	(	uint8_t	Addr,
		uint8_t	Reg,
		uint8_t	Value
	)

Writes a single data.

Parameters:

Addr	I2C address
Reg	Register address
Value	Data to be written

Return values:

None

Definition at line 236 of file stm32f3xx_nucleo_32.c.

References I2C1_Error(), and nucleo32_I2c1.

HAL_StatusTypeDef I2C1_WriteBuffer	(	uint16_t	Addr,
		uint8_t	Reg,
		uint16_t	RegSize,
		uint8_t *	pBuffer,
		uint16_t	Length
	)

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
RegSize	The target register size (can be 8BIT or 16BIT)
pBuffer	The target register value to be written
Length	buffer size to be written

Return values:

None

Definition at line 317 of file stm32f3xx_nucleo_32.c.

References I2C1_Error(), I2c1Timeout, and nucleo32_I2c1.

Referenced by BSP_DIGIT4_SEG7_Display(), and BSP_DIGIT4_SEG7_Init().

STM32F3xx_Nucleo_32 BSP User Manual: Bus Operation functions

STM32F3xx Nucleo 32 BSP Drivers

Functions

Function Documentation

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