Functions
static void	I2C1_Init (void)
	I2C Bus initialization.
static void	I2C1_Error (void)
	Manages error callback by re-initializing I2C.
static void	I2C1_MspInit (I2C_HandleTypeDef *hi2c)
	I2C MSP Initialization.
static 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.
static 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.
static HAL_StatusTypeDef	I2C1_IsDeviceReady (uint16_t DevAddress, uint32_t Trials)
	Checks if target device is ready for communication.
static HAL_StatusTypeDef	I2C1_TransmitData (uint8_t *pBuffer, uint16_t Length)
	Write buffer through I2C.
static void	I2C2_Init (void)
	I2C Bus initialization.
static void	I2C2_Error (void)
	Discovery I2C2 error treatment function.
static void	I2C2_MspInit (I2C_HandleTypeDef *hi2c)
	I2C MSP Initialization.
static HAL_StatusTypeDef	I2C2_ReceiveData (uint16_t Addr, uint8_t *pBuffer, uint16_t Length)
	Read a register of the device through I2C.
static void	SPIx_Init (void)
	SPIx Bus initialization.
static void	SPIx_Write (uint8_t Value)
	SPI Write a byte to device.
static void	SPIx_WriteReadData (const uint8_t DataIn, uint8_t DataOut, uint16_t DataLegnth)
	SPI Write a byte to device.
static void	SPIx_FlushFifo (void)
	SPIx_FlushFifo.
static uint32_t	SPIx_Read (void)
	SPI Read 4 bytes from device.
static void	SPIx_Error (void)
	SPI error treatment function.
static void	SPIx_MspInit (SPI_HandleTypeDef *hspi)
	SPI MSP Init.
void	SD_IO_CSState (uint8_t state)

Function Documentation

static void I2C1_Error ( void ) [static]

Manages error callback by re-initializing I2C.

Return values:

None

Definition at line 615 of file stm32091c_eval.c.

References heval_I2c1, and I2C1_Init().

Referenced by I2C1_ReadBuffer(), I2C1_TransmitData(), and I2C1_WriteBuffer().

static void I2C1_Init ( void ) [static]

I2C Bus initialization.

Return values:

None

Definition at line 509 of file stm32091c_eval.c.

References EVAL_I2C1, heval_I2c1, I2C1_MspInit(), and I2C1_TIMING.

Referenced by EEPROM_IO_Init(), HDMI_CEC_IO_Init(), I2C1_Error(), and TSENSOR_IO_Init().

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 560 of file stm32091c_eval.c.

References heval_I2c1, and I2c1Timeout.

Referenced by EEPROM_IO_IsDeviceReady(), and TSENSOR_IO_IsDeviceReady().

static void I2C1_MspInit ( I2C_HandleTypeDef * hi2c ) [static]

I2C MSP Initialization.

Parameters:

hi2c	I2C handle

Return values:

None

Definition at line 629 of file stm32091c_eval.c.

References EVAL_I2C1_CLK_ENABLE, EVAL_I2C1_FORCE_RESET, EVAL_I2C1_GPIO_CLK_ENABLE, EVAL_I2C1_GPIO_PORT, EVAL_I2C1_RELEASE_RESET, EVAL_I2C1_SCL_PIN, EVAL_I2C1_SCL_SDA_AF, and EVAL_I2C1_SDA_PIN.

Referenced by I2C1_Init().

static HAL_StatusTypeDef I2C1_ReadBuffer	(	uint16_t	Addr,
		uint8_t	Reg,
		uint16_t	RegSize,
		uint8_t *	pBuffer,
		uint16_t	Length
	)		`[static]`

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 538 of file stm32091c_eval.c.

References heval_I2c1, I2C1_Error(), and I2c1Timeout.

Referenced by EEPROM_IO_ReadData(), and TSENSOR_IO_Read().

static HAL_StatusTypeDef I2C1_TransmitData	(	uint8_t *	pBuffer,
		uint16_t	Length
	)		`[static]`

Write buffer through I2C.

Parameters:

pBuffer	The address of the data to be written
Length	buffer size to be written

Return values:

None

Definition at line 595 of file stm32091c_eval.c.

References heval_I2c1, I2C1_Error(), and I2c1Timeout.

Referenced by HDMI_CEC_IO_WriteData().

static HAL_StatusTypeDef I2C1_WriteBuffer	(	uint16_t	Addr,
		uint8_t	Reg,
		uint16_t	RegSize,
		uint8_t *	pBuffer,
		uint16_t	Length
	)		`[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
RegSize	The target register size (can be 8BIT or 16BIT)
pBuffer	The target register value to be written
Length	buffer size to be written