Functions
static void	I2Cx_MspInit (void)
	Initializes I2C MSP.
static void	I2Cx_Init (void)
	Initializes I2C HAL.
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.
void	AUDIO_IO_Init (void)
	Initializes Audio low level.
void	AUDIO_IO_DeInit (void)
	Deinitializes Audio low level.
void	AUDIO_IO_Write (uint8_t Addr, uint16_t Reg, uint16_t Value)
	Writes a single data.
uint16_t	AUDIO_IO_Read (uint8_t Addr, uint16_t Reg)
	Reads a single data.
void	AUDIO_IO_Delay (uint32_t Delay)
	AUDIO Codec delay.
void	EEPROM_IO_Init (void)
	Initializes peripherals used by the I2C EEPROM driver.
HAL_StatusTypeDef	EEPROM_IO_WriteData (uint16_t DevAddress, uint16_t MemAddress, uint8_t *pBuffer, uint32_t BufferSize)
	Write data to I2C EEPROM driver in using DMA channel.
HAL_StatusTypeDef	EEPROM_IO_ReadData (uint16_t DevAddress, uint16_t MemAddress, uint8_t *pBuffer, uint32_t BufferSize)
	Read data from I2C EEPROM driver in using DMA channel.
HAL_StatusTypeDef	EEPROM_IO_IsDeviceReady (uint16_t DevAddress, uint32_t Trials)
	Checks if target device is ready for communication.
void	TS_IO_Init (void)
	Initialize I2C communication channel from MCU to TouchScreen (TS).
void	TS_IO_Write (uint8_t Addr, uint8_t Reg, uint8_t Value)
	Writes single data with I2C communication channel from MCU to TouchScreen.
uint8_t	TS_IO_Read (uint8_t Addr, uint8_t Reg)
	Reads single data with I2C communication channel from TouchScreen.
uint16_t	TS_IO_ReadMultiple (uint8_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length)
	Reads multiple data with I2C communication channel from TouchScreen.
void	TS_IO_WriteMultiple (uint8_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length)
	Writes multiple data with I2C communication channel from MCU to TouchScreen.
void	TS_IO_Delay (uint32_t Delay)
	Delay function used in TouchScreen low level driver.
void	OTM8009A_IO_Delay (uint32_t Delay)
	OTM8009A delay.

Function Documentation

void AUDIO_IO_DeInit ( void )

Deinitializes Audio low level.

Return values:

None

Definition at line 1181 of file stm32h743i_eval.c.

void AUDIO_IO_Delay ( uint32_t Delay )

AUDIO Codec delay.

Parameters:

Delay,: Delay in ms

Return values:

None

Definition at line 1229 of file stm32h743i_eval.c.

void AUDIO_IO_Init ( void )

Initializes Audio low level.

Return values:

None

Definition at line 1172 of file stm32h743i_eval.c.

References I2Cx_Init().

uint16_t AUDIO_IO_Read	(	uint8_t	Addr,
		uint16_t	Reg
	)

Reads a single data.

Parameters:

Addr,:	I2C address
Reg,:	Reg address

Return values:

Data	to be read

Definition at line 1209 of file stm32h743i_eval.c.

References I2Cx_ReadMultiple().

void AUDIO_IO_Write	(	uint8_t	Addr,
		uint16_t	Reg,
		uint16_t	Value
	)

Writes a single data.

Parameters:

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

Return values:

None

Definition at line 1192 of file stm32h743i_eval.c.

References I2Cx_WriteMultiple().

void EEPROM_IO_Init ( void )

Initializes peripherals used by the I2C EEPROM driver.

Return values:

None

Definition at line 1240 of file stm32h743i_eval.c.

References I2Cx_Init().

Referenced by BSP_EEPROM_Init().

HAL_StatusTypeDef EEPROM_IO_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 1278 of file stm32h743i_eval.c.

References I2Cx_IsDeviceReady().

Referenced by BSP_EEPROM_Init(), and BSP_EEPROM_WaitEepromStandbyState().

HAL_StatusTypeDef EEPROM_IO_ReadData	(	uint16_t	DevAddress,
		uint16_t	MemAddress,
		uint8_t *	pBuffer,
		uint32_t	BufferSize
	)

Read data from I2C EEPROM driver in using DMA channel.

Parameters:

DevAddress,:	Target device address
MemAddress,:	Internal memory address
pBuffer,:	Pointer to data buffer
BufferSize,:	Amount of data to be read

Return values:

HAL status

Definition at line 1266 of file stm32h743i_eval.c.

References I2Cx_ReadMultiple().

Referenced by BSP_EEPROM_ReadBuffer().

HAL_StatusTypeDef EEPROM_IO_WriteData	(	uint16_t	DevAddress,
		uint16_t	MemAddress,
		uint8_t *	pBuffer,
		uint32_t	BufferSize
	)

Write data to I2C EEPROM driver in using DMA channel.

Parameters:

DevAddress,:	Target device address
MemAddress,:	Internal memory address
pBuffer,:	Pointer to data buffer
BufferSize,:	Amount of data to be sent

Return values:

HAL status

Definition at line 1253 of file stm32h743i_eval.c.

References I2Cx_WriteMultiple().

Referenced by BSP_EEPROM_WritePage().

static void I2Cx_Error ( uint8_t Addr ) [static]

Manages error callback by re-initializing I2C.

Parameters:

Addr,: I2C Address

Return values:

None

Definition at line 962 of file stm32h743i_eval.c.

References heval_I2c, and I2Cx_Init().

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

static void I2Cx_Init ( void ) [static]

Initializes I2C HAL.

Return values:

None

Definition at line 827 of file stm32h743i_eval.c.

References EVAL_I2Cx, heval_I2c, and I2Cx_MspInit().

Referenced by AUDIO_IO_Init(), EEPROM_IO_Init(), I2Cx_Error(), and TS_IO_Init().

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 952 of file stm32h743i_eval.c.

References heval_I2c.

Referenced by EEPROM_IO_IsDeviceReady().

static void I2Cx_MspInit ( void ) [static]

Initializes I2C MSP.

Return values:

None

Definition at line 775 of file stm32h743i_eval.c.

References EVAL_I2Cx_CLK_ENABLE, EVAL_I2Cx_ER_IRQn, EVAL_I2Cx_EV_IRQn, EVAL_I2Cx_FORCE_RESET, EVAL_I2Cx_RELEASE_RESET, EVAL_I2Cx_SCL_PIN, EVAL_I2Cx_SCL_SDA_AF, EVAL_I2Cx_SCL_SDA_GPIO_CLK_ENABLE, EVAL_I2Cx_SCL_SDA_GPIO_PORT, and EVAL_I2Cx_SDA_PIN.

Referenced by I2Cx_Init().

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 874 of file stm32h743i_eval.c.

References heval_I2c, and I2Cx_Error().

Referenced by 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 to be read
Buffer,:	Pointer to data buffer
Length,:	Length of the data

Return values:

Number of read data

Definition at line 899 of file stm32h743i_eval.c.

References EXC7200_I2C_ADDRESS, heval_I2c, and I2Cx_Error().

Referenced by AUDIO_IO_Read(), EEPROM_IO_ReadData(), 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

Return values:

None

Definition at line 854 of file stm32h743i_eval.c.

References heval_I2c, and I2Cx_Error().

Referenced by 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 to be written
Buffer,:	The target register value to be written
Length,:	buffer size to be written

Return values:

HAL status

Definition at line 930 of file stm32h743i_eval.c.

References heval_I2c, and I2Cx_Error().

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

void OTM8009A_IO_Delay ( uint32_t Delay )

OTM8009A delay.

Parameters:

Delay,: Delay in ms

Definition at line 1361 of file stm32h743i_eval.c.

void TS_IO_Delay ( uint32_t Delay )

Delay function used in TouchScreen low level driver.

Parameters:

Delay,: Delay in ms

Return values:

None

Definition at line 1351 of file stm32h743i_eval.c.

void TS_IO_Init ( void )

Initialize I2C communication channel from MCU to TouchScreen (TS).

Definition at line 1289 of file stm32h743i_eval.c.

References I2Cx_Init().

uint8_t TS_IO_Read	(	uint8_t	Addr,
		uint8_t	Reg
	)

Reads single data with I2C communication channel from TouchScreen.

Parameters:

Addr,:	I2C address
Reg,:	Register address

Return values:

Read data

Definition at line 1313 of file stm32h743i_eval.c.

References I2Cx_Read().

uint16_t TS_IO_ReadMultiple	(	uint8_t	Addr,
		uint8_t	Reg,
		uint8_t *	Buffer,
		uint16_t	Length
	)

Reads multiple data with I2C communication channel from TouchScreen.

Parameters:

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

Return values:

Number of read data

Definition at line 1327 of file stm32h743i_eval.c.

References I2Cx_ReadMultiple().

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

Writes single data with I2C communication channel from MCU to TouchScreen.

Parameters:

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

Definition at line 1301 of file stm32h743i_eval.c.

References I2Cx_Write().

void TS_IO_WriteMultiple	(	uint8_t	Addr,
		uint8_t	Reg,
		uint8_t *	Buffer,
		uint16_t	Length
	)

Writes multiple data with I2C communication channel from MCU to TouchScreen.

Parameters:

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

Return values:

None

Definition at line 1341 of file stm32h743i_eval.c.

References I2Cx_WriteMultiple().

STM32H743I_EVAL BSP User Manual: STM32H743I_EVAL LOW LEVEL Private Function Prototypes

STM32H743I_EVAL BSP

Functions

Function Documentation

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