STM32469I Discovery LOW LEVEL

Modules
	STM32469I Discovery LOW LEVEL Private TypesDefinitions
	STM32469I Discovery LOW LEVEL Private Defines
	STM32469I Discovery LOW LEVEL Private Macros
	STM32469I Discovery LOW LEVEL Private Variables
	STM32469I Discovery LOW LEVEL Private FunctionPrototypes
	STM32469I Discovery BSP Public Functions
	STM32469I Discovery LOW LEVEL Private Functions
	STM32469I Discovery LOW LEVEL Exported Types
	STM32469I Discovery LOW LEVEL Exported Constants
	STM32469I Discovery LOW LEVEL Exported Macros
	STM32469I Discovery LOW LEVEL Exported Functions
Functions
void	AUDIO_IO_Write (uint8_t Addr, uint8_t Reg, uint8_t Value)
	Writes a single data.
uint8_t	AUDIO_IO_Read (uint8_t Addr, uint8_t Reg)
	Reads a single data.
void	AUDIO_IO_Delay (uint32_t Delay)
	AUDIO Codec delay.
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_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_Delay

(

uint32_t

Delay

)

AUDIO Codec delay.

Parameters:

Delay,:

Delay in ms

Definition at line 785 of file stm32469i_discovery.c.

uint8_t AUDIO_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 772 of file stm32469i_discovery.c.

References I2C2_ReadMultiple().

void AUDIO_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

Definition at line 761 of file stm32469i_discovery.c.

References I2C2_WriteMultiple().

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 833 of file stm32469i_discovery.c.

References I2C1_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 821 of file stm32469i_discovery.c.

References I2C1_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 808 of file stm32469i_discovery.c.

References I2C1_WriteMultiple().

Referenced by BSP_EEPROM_WritePage().

void OTM8009A_IO_Delay

(

uint32_t

Delay

)

OTM8009A delay.

Parameters:

Delay,:

Delay in ms

Definition at line 914 of file stm32469i_discovery.c.

void TS_IO_Delay

(

uint32_t

Delay

)

Delay function used in TouchScreen low level driver.

Parameters:

Delay,:

Delay in ms

Definition at line 904 of file stm32469i_discovery.c.

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 868 of file stm32469i_discovery.c.

References I2C1_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 882 of file stm32469i_discovery.c.

References I2C1_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 856 of file stm32469i_discovery.c.

References I2C1_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

Definition at line 895 of file stm32469i_discovery.c.

References I2C1_WriteMultiple().