Functions
uint32_t	BSP_GetVersion (void)
	This method returns the STM32412G DISCOVERY BSP Driver revision.
void	BSP_LED_Init (Led_TypeDef Led)
	Configures LEDs.
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.
uint8_t	BSP_JOY_Init (JOYMode_TypeDef Joy_Mode)
	Configures all joystick's buttons in GPIO or EXTI modes.
void	BSP_JOY_DeInit (void)
	Unconfigures all GPIOs used as joystick's buttons.
JOYState_TypeDef	BSP_JOY_GetState (void)
	Returns the current joystick status.
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_DeInit (I2C_HandleTypeDef *i2c_handler)
	Deinitializes I2C interface.
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.
static void	FMC_BANK1_WriteData (uint16_t Data)
	Writes register value.
static void	FMC_BANK1_WriteReg (uint8_t Reg)
	Writes register address.
static uint16_t	FMC_BANK1_ReadData (void)
	Reads register value.
void	LCD_IO_WriteData (uint16_t RegValue)
	Writes data on LCD data register.
void	LCD_IO_WriteMultipleData (uint16_t *pData, uint32_t Size)
	Writes several data on LCD data register.
void	LCD_IO_WriteReg (uint8_t Reg)
	Writes register on LCD register.
uint16_t	LCD_IO_ReadData (void)
	Reads data from LCD data register.
void	LCD_IO_Delay (uint32_t Delay)
	LCD delay.
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.
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 a single data.
uint8_t	TS_IO_Read (uint8_t Addr, uint8_t Reg)
	Reads a single data.
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.

Function Documentation

void AUDIO_IO_Delay ( uint32_t Delay )

AUDIO Codec delay.

Parameters:

Delay,: Delay in ms

Definition at line 1026 of file stm32412g_discovery.c.

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 1007 of file stm32412g_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

Definition at line 990 of file stm32412g_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.

Definition at line 521 of file stm32412g_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.

Definition at line 482 of file stm32412g_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 STM32412G DISCOVERY BSP Driver revision.

Return values:

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

Definition at line 205 of file stm32412g_discovery.c.

References __STM32412G_DISCOVERY_BSP_VERSION.

void BSP_JOY_DeInit ( void )

Unconfigures all GPIOs used as joystick's buttons.

Definition at line 431 of file stm32412g_discovery.c.

References JOY_PIN, JOY_PORT, JOY_SEL, JOYn, and JOYx_GPIO_CLK_ENABLE.

JOYState_TypeDef BSP_JOY_GetState ( void )

Returns the current joystick status.

Return values:

Code	of the joystick key pressed This code can be one of the following values: JOY_NONE JOY_SEL JOY_DOWN JOY_LEFT JOY_RIGHT JOY_UP

Definition at line 456 of file stm32412g_discovery.c.

References JOY_NONE, JOY_PIN, JOY_PORT, JOY_SEL, and JOYn.

uint8_t BSP_JOY_Init ( JOYMode_TypeDef Joy_Mode )

Configures all joystick's buttons in GPIO or EXTI modes.

Parameters:

Joy_Mode,: Joystick mode. This parameter can be one of the following values: JOY_MODE_GPIO: Joystick pins will be used as simple IOs JOY_MODE_EXTI: Joystick pins will be connected to EXTI line with interrupt generation capability

Return values:

HAL_OK,: if all initializations are OK. Other value if error.

Definition at line 392 of file stm32412g_discovery.c.

References JOY_IRQn, JOY_MODE_EXTI, JOY_MODE_GPIO, JOY_PIN, JOY_PORT, JOY_SEL, JOYn, and JOYx_GPIO_CLK_ENABLE.

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
LED2
LED3
LED4

Note:: Led DeInit does not disable the GPIO clock nor disable the Mfx

Definition at line 249 of file stm32412g_discovery.c.

References GPIO_PIN, and LEDx_GPIO_PORT.

void BSP_LED_Init ( Led_TypeDef Led )

Configures LEDs.

Parameters:

Led,:

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

LED1
LED2
LED3
LED4

Definition at line 219 of file stm32412g_discovery.c.

References GPIO_PIN, LEDx_GPIO_CLK_ENABLE, and LEDx_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
LED2
LED3
LED4

Definition at line 283 of file stm32412g_discovery.c.

References GPIO_PIN, and LEDx_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
LED2
LED3
LED4

Definition at line 269 of file stm32412g_discovery.c.

References GPIO_PIN, and LEDx_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
LED2
LED3
LED4

Definition at line 297 of file stm32412g_discovery.c.

References GPIO_PIN, and LEDx_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

Note:: On STM32412G-DISCOVERY board, the Wakeup button is mapped on the same push button which is the joystick selection button.; PB DeInit does not disable the GPIO clock

Definition at line 358 of file stm32412g_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

Note:: On STM32412G-DISCOVERY board, the Wakeup button is mapped on the same push button which is the joystick selection button.

Return values:

The	Button GPIO pin value (GPIO_PIN_RESET = button pressed)

Definition at line 377 of file stm32412g_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
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 STM32412G-DISCOVERY board, the Wakeup button is mapped on the same push button which is the joystick selection button.

Definition at line 315 of file stm32412g_discovery.c.

References BUTTON_IRQn, BUTTON_MODE_EXTI, BUTTON_MODE_GPIO, BUTTON_PIN, BUTTON_PORT, and WAKEUP_BUTTON_GPIO_CLK_ENABLE.

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 1074 of file stm32412g_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 1062 of file stm32412g_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 1049 of file stm32412g_discovery.c.

References hI2cExtHandler, and I2Cx_WriteMultiple().

Referenced by BSP_EEPROM_WritePage().

static uint16_t FMC_BANK1_ReadData ( void ) [static]

Reads register value.

Return values:

Read value

Definition at line 894 of file stm32412g_discovery.c.

References FMC_BANK1.

Referenced by LCD_IO_ReadData().

static void FMC_BANK1_WriteData ( uint16_t Data ) [static]

Writes register value.

Parameters:

Data,: Data to be written

Definition at line 872 of file stm32412g_discovery.c.

References FMC_BANK1.

Referenced by LCD_IO_WriteData(), and LCD_IO_WriteMultipleData().

static void FMC_BANK1_WriteReg ( uint8_t Reg ) [static]

Writes register address.

Parameters:

Reg,: Register to be written

Definition at line 883 of file stm32412g_discovery.c.

References FMC_BANK1.

Referenced by LCD_IO_WriteReg().

static void I2Cx_DeInit ( I2C_HandleTypeDef * i2c_handler ) [static]

Deinitializes I2C interface.

Parameters:

i2c_handler : I2C handler

Definition at line 755 of file stm32412g_discovery.c.

References DISCOVERY_AUDIO_I2Cx, DISCOVERY_EXT_I2Cx, and hI2cAudioHandler.

Referenced by AUDIO_IO_DeInit().

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

Definition at line 742 of file stm32412g_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

Definition at line 635 of file stm32412g_discovery.c.

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

Referenced by AUDIO_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 732 of file stm32412g_discovery.c.

Referenced by EEPROM_IO_IsDeviceReady().

static void I2Cx_MspInit ( I2C_HandleTypeDef * i2c_handler ) [static]

Initializes I2C MSP.

Parameters:

i2c_handler : I2C handler

Definition at line 547 of file stm32412g_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:

HAL status

Definition at line 674 of file stm32412g_discovery.c.

References I2Cx_Error().

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

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

Return values:

HAL status

Definition at line 704 of file stm32412g_discovery.c.

References I2Cx_Error().

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

void LCD_IO_Delay ( uint32_t Delay )

LCD delay.

Parameters:

Delay,: Delay in ms

Definition at line 961 of file stm32412g_discovery.c.

uint16_t LCD_IO_ReadData ( void )

Reads data from LCD data register.

Return values:

Read data.

Definition at line 952 of file stm32412g_discovery.c.

References FMC_BANK1_ReadData().

void LCD_IO_WriteData ( uint16_t RegValue )

Writes data on LCD data register.

Parameters:

RegValue,: Data to be written

Definition at line 917 of file stm32412g_discovery.c.

References FMC_BANK1_WriteData().

void LCD_IO_WriteMultipleData	(	uint16_t *	pData,
		uint32_t	Size
	)

Writes several data on LCD data register.

Parameters:

pData,:	pointer on data to be written
Size,:	data amount in 16bits short unit

Definition at line 928 of file stm32412g_discovery.c.

References FMC_BANK1_WriteData().

void LCD_IO_WriteReg ( uint8_t Reg )

Writes register on LCD register.

Parameters:

Reg,: Register to be written

Definition at line 942 of file stm32412g_discovery.c.

References FMC_BANK1_WriteReg().

void TS_IO_Delay ( uint32_t Delay )

Delay function used in TouchScreen low level driver.

Parameters:

Delay,: Delay in ms

Definition at line 1145 of file stm32412g_discovery.c.

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 1105 of file stm32412g_discovery.c.

References hI2cAudioHandler, and I2Cx_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:

HAL status

Definition at line 1123 of file stm32412g_discovery.c.

References hI2cAudioHandler, and I2Cx_ReadMultiple().

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

Definition at line 1094 of file stm32412g_discovery.c.

References hI2cAudioHandler, and I2Cx_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

Definition at line 1136 of file stm32412g_discovery.c.

References hI2cAudioHandler, and I2Cx_WriteMultiple().

STM32412G-Discovery BSP User Manual: STM32412G Discovery Low Level Private Functions

STM32412G-Discovery BSP Drivers

Functions

Function Documentation

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