Functions
uint32_t	BSP_GetVersion (void)
	This method returns the STM32746G DISCOVERY BSP Driver revision.
void	BSP_LED_Init (Led_TypeDef Led)
	Configures LED on GPIO.
void	BSP_LED_DeInit (Led_TypeDef Led)
	DeInit LEDs.
void	BSP_LED_On (Led_TypeDef Led)
	Turns selected LED On.
void	BSP_LED_Off (Led_TypeDef Led)
	Turns selected LED Off.
void	BSP_LED_Toggle (Led_TypeDef Led)
	Toggles the selected LED.
void	BSP_PB_Init (Button_TypeDef Button, ButtonMode_TypeDef ButtonMode)
	Configures button GPIO and EXTI Line.
void	BSP_PB_DeInit (Button_TypeDef Button)
	Push Button DeInit.
uint32_t	BSP_PB_GetState (Button_TypeDef Button)
	Returns the selected button state.
void	BSP_COM_Init (COM_TypeDef COM, UART_HandleTypeDef *huart)
	Configures COM port.
void	BSP_COM_DeInit (COM_TypeDef COM, UART_HandleTypeDef *huart)
	DeInit COM port.
static void	I2Cx_MspInit (I2C_HandleTypeDef *i2c_handler)
	Initializes I2C MSP.
static void	I2Cx_Init (I2C_HandleTypeDef *i2c_handler)
	Initializes I2C HAL.
static HAL_StatusTypeDef	I2Cx_ReadMultiple (I2C_HandleTypeDef i2c_handler, uint8_t Addr, uint16_t Reg, uint16_t MemAddress, uint8_t Buffer, uint16_t Length)
	Reads multiple data.
static HAL_StatusTypeDef	I2Cx_WriteMultiple (I2C_HandleTypeDef i2c_handler, 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 (I2C_HandleTypeDef *i2c_handler, uint16_t DevAddress, uint32_t Trials)
	Checks if target device is ready for communication.
static void	I2Cx_Error (I2C_HandleTypeDef *i2c_handler, 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	CAMERA_IO_Init (void)
	Initializes Camera low level.
void	CAMERA_IO_Write (uint8_t Addr, uint8_t Reg, uint8_t Value)
	Camera writes single data.
uint8_t	CAMERA_IO_Read (uint8_t Addr, uint8_t Reg)
	Camera reads single data.
void	CAMERA_Delay (uint32_t Delay)
	Camera 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)
	Initializes Touchscreen low level.
void	TS_IO_Write (uint8_t Addr, uint8_t Reg, uint8_t Value)
	Writes a single data.
uint8_t	TS_IO_Read (uint8_t Addr, uint8_t Reg)
	Reads a single data.
void	TS_IO_Delay (uint32_t Delay)
	TS delay.

Function Documentation

void AUDIO_IO_DeInit ( void )

Deinitializes Audio low level.

Return values:

None

Definition at line 683 of file stm32746g_discovery.c.

void AUDIO_IO_Delay ( uint32_t Delay )

AUDIO Codec delay.

Parameters:

Delay,: Delay in ms

Return values:

None

Definition at line 731 of file stm32746g_discovery.c.

void AUDIO_IO_Init ( void )

Initializes Audio low level.

Return values:

None

Definition at line 674 of file stm32746g_discovery.c.

References hI2cAudioHandler, and 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 711 of file stm32746g_discovery.c.

References hI2cAudioHandler, and 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 694 of file stm32746g_discovery.c.

References hI2cAudioHandler, and I2Cx_WriteMultiple().

void BSP_COM_DeInit	(	COM_TypeDef	COM,
		UART_HandleTypeDef *	huart
	)

DeInit COM port.

Parameters:

COM,:	COM port to be configured. This parameter can be one of the following values: COM1 COM2
huart,:	Pointer to a UART_HandleTypeDef structure that contains the configuration information for the specified USART peripheral.

Return values:

None

Definition at line 435 of file stm32746g_discovery.c.

References COM_USART, and DISCOVERY_COMx_CLK_DISABLE.

void BSP_COM_Init	(	COM_TypeDef	COM,
		UART_HandleTypeDef *	huart
	)

Configures COM port.

Parameters:

COM,:	COM port to be configured. This parameter can be one of the following values: COM1 COM2
huart,:	Pointer to a UART_HandleTypeDef structure that contains the configuration information for the specified USART peripheral.

Return values:

None

Definition at line 395 of file stm32746g_discovery.c.

References COM_RX_AF, COM_RX_PIN, COM_RX_PORT, COM_TX_AF, COM_TX_PIN, COM_TX_PORT, COM_USART, DISCOVERY_COMx_CLK_ENABLE, DISCOVERY_COMx_RX_GPIO_CLK_ENABLE, and DISCOVERY_COMx_TX_GPIO_CLK_ENABLE.

uint32_t BSP_GetVersion ( void )

This method returns the STM32746G DISCOVERY BSP Driver revision.

Return values:

version,: 0xXYZR (8bits for each decimal, R for RC)

Definition at line 173 of file stm32746g_discovery.c.

References __STM32746G_DISCO_BSP_VERSION.

void BSP_LED_DeInit ( Led_TypeDef Led )

DeInit LEDs.

Parameters:

Led,:

LED to be configured. This parameter can be one of the following values:

LED1

Note:: Led DeInit does not disable the GPIO clock

Return values:

None

Definition at line 217 of file stm32746g_discovery.c.

References GPIO_PIN, LED1, and LED1_GPIO_PORT.

void BSP_LED_Init ( Led_TypeDef Led )

Configures LED on GPIO.

Parameters:

Led,:

LED to be configured. This parameter can be one of the following values:

LED1

Return values:

None

Definition at line 185 of file stm32746g_discovery.c.

References GPIO_PIN, LED1, LED1_GPIO_CLK_ENABLE, and LED1_GPIO_PORT.

void BSP_LED_Off ( Led_TypeDef Led )

Turns selected LED Off.

Parameters:

Led,:

LED to be set off This parameter can be one of the following values:

LED1

Return values:

None

Definition at line 258 of file stm32746g_discovery.c.

References GPIO_PIN, LED1, and LED1_GPIO_PORT.

void BSP_LED_On ( Led_TypeDef Led )

Turns selected LED On.

Parameters:

Led,:

LED to be set on This parameter can be one of the following values:

LED1

Return values:

None

Definition at line 240 of file stm32746g_discovery.c.

References GPIO_PIN, LED1, and LED1_GPIO_PORT.

void BSP_LED_Toggle ( Led_TypeDef Led )

Toggles the selected LED.

Parameters:

Led,:

LED to be toggled This parameter can be one of the following values:

LED1

Return values:

None

Definition at line 276 of file stm32746g_discovery.c.

References GPIO_PIN, LED1, and LED1_GPIO_PORT.

void BSP_PB_DeInit ( Button_TypeDef Button )

Push Button DeInit.

Parameters:

Button,:

Button to be configured This parameter can be one of the following values:

BUTTON_WAKEUP: Wakeup Push Button
BUTTON_TAMPER: Tamper Push Button
BUTTON_KEY: Key Push Button

Note:: On STM32746G-Discovery board, the three buttons (Wakeup, Tamper and key buttons) are mapped on the same push button named "User" on the board serigraphy.; PB DeInit does not disable the GPIO clock

Return values:

None

Definition at line 358 of file stm32746g_discovery.c.

References BUTTON_IRQn, BUTTON_PIN, and BUTTON_PORT.

uint32_t BSP_PB_GetState ( Button_TypeDef Button )

Returns the selected button state.

Parameters:

Button,:

Button to be checked This parameter can be one of the following values:

BUTTON_WAKEUP: Wakeup Push Button
BUTTON_TAMPER: Tamper Push Button
BUTTON_KEY: Key Push Button

Note:: On STM32746G-Discovery board, the three buttons (Wakeup, Tamper and key buttons) are mapped on the same push button named "User" on the board serigraphy.

Return values:

The	Button GPIO pin value

Definition at line 380 of file stm32746g_discovery.c.

References BUTTON_PIN, and BUTTON_PORT.

void BSP_PB_Init	(	Button_TypeDef	Button,
		ButtonMode_TypeDef	ButtonMode
	)

Configures button GPIO and EXTI Line.

Parameters:

Button,:	Button to be configured This parameter can be one of the following values: BUTTON_WAKEUP: Wakeup Push Button BUTTON_TAMPER: Tamper Push Button BUTTON_KEY: Key Push Button
ButtonMode,:	Button mode This parameter can be one of the following values: BUTTON_MODE_GPIO: Button will be used as simple IO BUTTON_MODE_EXTI: Button will be connected to EXTI line with interrupt generation capability

Note:: On STM32746G-Discovery board, the three buttons (Wakeup, Tamper and key buttons) are mapped on the same push button named "User" on the board serigraphy.

Return values:

None

Definition at line 304 of file stm32746g_discovery.c.

References BUTTON_IRQn, BUTTON_MODE_EXTI, BUTTON_MODE_GPIO, BUTTON_PIN, BUTTON_PORT, BUTTON_WAKEUP, and BUTTONx_GPIO_CLK_ENABLE.

void CAMERA_Delay ( uint32_t Delay )

Camera delay.

Parameters:

Delay,: Delay in ms

Return values:

None

Definition at line 779 of file stm32746g_discovery.c.

void CAMERA_IO_Init ( void )

Initializes Camera low level.

Return values:

None

Definition at line 742 of file stm32746g_discovery.c.

References hI2cExtHandler, and I2Cx_Init().

uint8_t CAMERA_IO_Read	(	uint8_t	Addr,
		uint8_t	Reg
	)

Camera reads single data.

Parameters:

Addr,:	I2C address
Reg,:	Register address

Return values:

Read data

Definition at line 765 of file stm32746g_discovery.c.

References hI2cExtHandler, and I2Cx_ReadMultiple().

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

Camera writes single data.

Parameters:

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

Return values:

None

Definition at line 754 of file stm32746g_discovery.c.

References hI2cExtHandler, and I2Cx_WriteMultiple().

void EEPROM_IO_Init ( void )

Initializes peripherals used by the I2C EEPROM driver.

Return values:

None

Definition at line 790 of file stm32746g_discovery.c.

References hI2cExtHandler, and 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 828 of file stm32746g_discovery.c.

References hI2cExtHandler, and 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 816 of file stm32746g_discovery.c.

References hI2cExtHandler, and 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 803 of file stm32746g_discovery.c.

References hI2cExtHandler, and I2Cx_WriteMultiple().

Referenced by BSP_EEPROM_WritePage().

static void I2Cx_Error	(	I2C_HandleTypeDef *	i2c_handler,
		uint8_t	Addr
	)		`[static]`

Manages error callback by re-initializing I2C.

Parameters:

i2c_handler	: I2C handler
Addr,:	I2C Address

Return values:

None

Definition at line 655 of file stm32746g_discovery.c.

References I2Cx_Init().

Referenced by I2Cx_ReadMultiple(), and I2Cx_WriteMultiple().

static void I2Cx_Init ( I2C_HandleTypeDef * i2c_handler ) [static]

Initializes I2C HAL.

Parameters:

i2c_handler : I2C handler

Return values:

None

Definition at line 548 of file stm32746g_discovery.c.

References DISCOVERY_AUDIO_I2Cx, DISCOVERY_EXT_I2Cx, hI2cAudioHandler, and I2Cx_MspInit().

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

static HAL_StatusTypeDef I2Cx_IsDeviceReady	(	I2C_HandleTypeDef *	i2c_handler,
		uint16_t	DevAddress,
		uint32_t	Trials
	)		`[static]`

Checks if target device is ready for communication.

Note:: This function is used with Memory devices

Parameters:

i2c_handler	: I2C handler
DevAddress,:	Target device address
Trials,:	Number of trials

Return values:

HAL status

Definition at line 644 of file stm32746g_discovery.c.

Referenced by EEPROM_IO_IsDeviceReady().

static void I2Cx_MspInit ( I2C_HandleTypeDef * i2c_handler ) [static]

Initializes I2C MSP.

Parameters:

i2c_handler : I2C handler

Return values:

None

Definition at line 461 of file stm32746g_discovery.c.

Referenced by I2Cx_Init().

static HAL_StatusTypeDef I2Cx_ReadMultiple	(	I2C_HandleTypeDef *	i2c_handler,
		uint8_t	Addr,
		uint16_t	Reg,
		uint16_t	MemAddress,
		uint8_t *	Buffer,
		uint16_t	Length
	)		`[static]`

Reads multiple data.

Parameters:

i2c_handler	: I2C handler
Addr,:	I2C address
Reg,:	Reg address
MemAddress,:	Memory address
Buffer,:	Pointer to data buffer
Length,:	Length of the data

Return values:

Number of read data

Definition at line 586 of file stm32746g_discovery.c.

References I2Cx_Error().

Referenced by AUDIO_IO_Read(), CAMERA_IO_Read(), EEPROM_IO_ReadData(), and TS_IO_Read().

static HAL_StatusTypeDef I2Cx_WriteMultiple	(	I2C_HandleTypeDef *	i2c_handler,
		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:

i2c_handler	: I2C handler
Addr,:	Device address on BUS Bus.
Reg,:	The target register address to write
MemAddress,:	Memory address
Buffer,:	The target register value to be written
Length,:	buffer size to be written