LOW_LEVEL Private FunctionPrototypes

Collaboration diagram for LOW_LEVEL Private FunctionPrototypes:

Functions
void	AUDIO_IO_DeInit (void)
	DeInitializes Audio low level. More...
void	AUDIO_IO_Delay (uint32_t Delay)
	AUDIO Codec delay. More...
void	AUDIO_IO_Init (void)
	Initializes Audio low level. More...
uint16_t	AUDIO_IO_Read (uint8_t Addr, uint16_t Reg)
	Reads a single data. More...
void	AUDIO_IO_Write (uint8_t Addr, uint16_t Reg, uint16_t Value)
	Writes a single data. More...
void	EEPROM_IO_Init (void)
	Initializes peripherals used by the I2C EEPROM driver. More...
HAL_StatusTypeDef	EEPROM_IO_IsDeviceReady (uint16_t DevAddress, uint32_t Trials)
	Checks if target device is ready for communication. More...
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. More...
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. More...
void	OTM8009A_IO_Delay (uint32_t Delay)
	OTM8009A delay. More...
void	TS_IO_Delay (uint32_t Delay)
	Delay function used in TouchScreen low level driver. More...
void	TS_IO_Init (void)
	Initializes Touchscreen low level. More...
uint8_t	TS_IO_Read (uint8_t Addr, uint8_t Reg)
	Reads a single data. More...
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. More...
void	TS_IO_Write (uint8_t Addr, uint8_t Reg, uint8_t Value)
	Writes a single data. More...
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. More...

Detailed Description

Function Documentation

AUDIO_IO_DeInit()

void AUDIO_IO_DeInit

(

void

)

DeInitializes Audio low level.

Definition at line 568 of file stm32f769i_discovery.c.

AUDIO_IO_Delay()

void AUDIO_IO_Delay

(

uint32_t

Delay

)

AUDIO Codec delay.

Parameters

Delay

Delay in ms

Definition at line 616 of file stm32f769i_discovery.c.

AUDIO_IO_Init()

void AUDIO_IO_Init

(

void

)

Initializes Audio low level.

Definition at line 560 of file stm32f769i_discovery.c.

AUDIO_IO_Read()

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 597 of file stm32f769i_discovery.c.

AUDIO_IO_Write()

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 580 of file stm32f769i_discovery.c.

EEPROM_IO_Init()

void EEPROM_IO_Init

(

void

)

Initializes peripherals used by the I2C EEPROM driver.

Definition at line 626 of file stm32f769i_discovery.c.

EEPROM_IO_IsDeviceReady()

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 664 of file stm32f769i_discovery.c.

EEPROM_IO_ReadData()

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 652 of file stm32f769i_discovery.c.

EEPROM_IO_WriteData()

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 639 of file stm32f769i_discovery.c.

OTM8009A_IO_Delay()

void OTM8009A_IO_Delay

(

uint32_t

Delay

)

OTM8009A delay.

Parameters

Delay

Delay in ms

Definition at line 750 of file stm32f769i_discovery.c.

TS_IO_Delay()

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 740 of file stm32f769i_discovery.c.

TS_IO_Init()

void TS_IO_Init

(

void

)

Initializes Touchscreen low level.

Return values

None

Definition at line 675 of file stm32f769i_discovery.c.

TS_IO_Read()

uint8_t TS_IO_Read	(	uint8_t	Addr,
		uint8_t	Reg
	)

Reads a single data.

Parameters

Addr	I2C address
Reg	Reg address

Return values

Data	to be read

Definition at line 698 of file stm32f769i_discovery.c.

TS_IO_ReadMultiple()

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 716 of file stm32f769i_discovery.c.

TS_IO_Write()

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

Writes a single data.

Parameters

Addr	I2C address
Reg	Reg address
Value	Data to be written

Return values

None

Definition at line 687 of file stm32f769i_discovery.c.

TS_IO_WriteMultiple()

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 730 of file stm32f769i_discovery.c.