Functions
uint32_t	BSP_GetVersion (void)
	This method returns the STM324xG EVAL BSP Driver revision.
void	BSP_LED_Init (Led_TypeDef Led)
	Configures LED GPIO.
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 Button_Mode)
	Configures button GPIO and EXTI Line.
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.
uint8_t	BSP_JOY_Init (JOYMode_TypeDef Joy_Mode)
	Configures joystick GPIO and EXTI modes.
JOYState_TypeDef	BSP_JOY_GetState (void)
	Returns the current joystick status.
static uint8_t	I2Cx_Read (uint8_t Addr, uint8_t Reg)
	Reads a single data.
static void	I2Cx_Write (uint8_t Addr, uint8_t Reg, uint8_t Value)
	Writes 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)
	Write 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.
static void	FSMC_BANK3_WriteData (uint16_t Data)
	Writes register value.
static void	FSMC_BANK3_WriteReg (uint8_t Reg)
	Writes register address.
static uint16_t	FSMC_BANK3_ReadData (void)
	Reads register value.
void	IOE_Write (uint8_t Addr, uint8_t Reg, uint8_t Value)
	IOE writes single data.
uint8_t	IOE_Read (uint8_t Addr, uint8_t Reg)
	IOE reads single data.
uint16_t	IOE_ReadMultiple (uint8_t Addr, uint8_t Reg, uint8_t *Buffer, uint16_t Length)
	IOE reads multiple data.
void	IOE_Delay (uint32_t Delay)
	IOE delay.
void	LCD_IO_WriteData (uint16_t Data)
	Writes data on LCD data register.
void	LCD_IO_WriteMultipleData (uint8_t *pData, uint32_t Size)
	Write register value.
void	LCD_IO_WriteReg (uint8_t Reg)
	Writes register on LCD register.
uint16_t	LCD_IO_ReadData (uint16_t Reg)
	Reads data from LCD data register.
void	AUDIO_IO_DeInit (void)
	DeInitializes Audio low level.
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	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.
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)
	Reads 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.

Function Documentation

void AUDIO_IO_DeInit ( void )

DeInitializes Audio low level.

Note:: This function is intentionally kept empty, user should define it.

Definition at line 958 of file stm324xg_eval.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 980 of file stm324xg_eval.c.

References I2Cx_Read().

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 969 of file stm324xg_eval.c.

References I2Cx_Write().

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 377 of file stm324xg_eval.c.

References COM_RX_AF, COM_RX_PIN, COM_RX_PORT, COM_TX_AF, COM_TX_PIN, COM_TX_PORT, COM_USART, EVAL_COMx_CLK_ENABLE, EVAL_COMx_RX_GPIO_CLK_ENABLE, and EVAL_COMx_TX_GPIO_CLK_ENABLE.

uint32_t BSP_GetVersion ( void )

This method returns the STM324xG EVAL BSP Driver revision.

Return values:

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

Definition at line 217 of file stm324xg_eval.c.

References __STM324xG_EVAL_BSP_VERSION.

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 444 of file stm324xg_eval.c.

References BSP_IO_ReadPin(), JOY_ALL_PINS, JOY_DOWN, JOY_DOWN_PIN, JOY_LEFT, JOY_LEFT_PIN, JOY_NONE, JOY_NONE_PIN, JOY_RIGHT, JOY_RIGHT_PIN, JOY_SEL, JOY_SEL_PIN, JOY_UP, and JOY_UP_PIN.

uint8_t BSP_JOY_Init ( JOYMode_TypeDef Joy_Mode )

Configures joystick GPIO and EXTI modes.

Parameters:

Joy_Mode,:

Button 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:

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

Definition at line 416 of file stm324xg_eval.c.

References BSP_IO_ConfigPin(), BSP_IO_Init(), JOY_ALL_PINS, and JOY_MODE_EXTI.

void BSP_LED_Init ( Led_TypeDef Led )

Configures LED GPIO.

Parameters:

Led,:

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

LED1
LED2
LED3
LED4

Definition at line 231 of file stm324xg_eval.c.

References GPIO_PIN, GPIO_PORT, and LEDx_GPIO_CLK_ENABLE.

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 270 of file stm324xg_eval.c.

References GPIO_PIN, and 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 256 of file stm324xg_eval.c.

References GPIO_PIN, and 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 284 of file stm324xg_eval.c.

References GPIO_PIN, and GPIO_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
BUTTON_RIGHT: Joystick Right Push Button
BUTTON_LEFT: Joystick Left Push Button
BUTTON_UP: Joystick Up Push Button
BUTTON_DOWN: Joystick Down Push Button
BUTTON_SEL: Joystick Sel Push Button

Return values:

The	Button GPIO pin value

Definition at line 363 of file stm324xg_eval.c.

References BUTTON_PIN, and BUTTON_PORT.

void BSP_PB_Init	(	Button_TypeDef	Button,
		ButtonMode_TypeDef	Button_Mode
	)

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 BUTTON_RIGHT: Joystick Right Push Button BUTTON_LEFT: Joystick Left Push Button BUTTON_UP: Joystick Up Push Button BUTTON_DOWN: Joystick Down Push Button BUTTON_SEL: Joystick Sel Push Button
Button_Mode,:	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

Definition at line 307 of file stm324xg_eval.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

Definition at line 1021 of file stm324xg_eval.c.

uint8_t CAMERA_IO_Read	(	uint8_t	Addr,
		uint8_t	Reg
	)

Camera reads single data.

Parameters:

Addr,:	I2C address
Reg,:	Reg address

Return values:

Read data

Definition at line 1012 of file stm324xg_eval.c.

References I2Cx_Read().

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

Camera writes single data.

Parameters:

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

Definition at line 1001 of file stm324xg_eval.c.

References I2Cx_Write().

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 1069 of file stm324xg_eval.c.

References I2Cx_IsDeviceReady().

Referenced by BSP_EEPROM_Init(), and EEPROM_WaitEepromStandbyState().

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

Reads 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 1057 of file stm324xg_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 1044 of file stm324xg_eval.c.

References I2Cx_WriteMultiple().

Referenced by EEPROM_WritePage().

static uint16_t FSMC_BANK3_ReadData ( void ) [static]

Reads register value.

Return values:

Read value

Definition at line 809 of file stm324xg_eval.c.

References FMC_BANK3.

Referenced by LCD_IO_ReadData().

static void FSMC_BANK3_WriteData ( uint16_t Data ) [static]

Writes register value.

Parameters:

Data,: Data to be written

Definition at line 789 of file stm324xg_eval.c.

References FMC_BANK3.

Referenced by LCD_IO_WriteData(), and LCD_IO_WriteMultipleData().

static void FSMC_BANK3_WriteReg ( uint8_t Reg ) [static]

Writes register address.

Parameters:

Reg,: Register to be written

Definition at line 799 of file stm324xg_eval.c.

References FMC_BANK3.

Referenced by LCD_IO_ReadData(), and LCD_IO_WriteReg().

static void I2Cx_Error ( uint8_t Addr ) [static]

Manages error callback by re-initializing I2C.

Parameters:

Addr,: I2C Address

Definition at line 688 of file stm324xg_eval.c.

References heval_I2c, and I2Cx_Init().

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

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 679 of file stm324xg_eval.c.

References heval_I2c, and I2C_TIMEOUT.

Referenced by EEPROM_IO_IsDeviceReady().

static uint8_t I2Cx_Read	(	uint8_t	Addr,
		uint8_t	Reg
	)		`[static]`

Reads a single data.

Parameters:

Addr,:	I2C address
Reg,:	Reg address

Return values:

Data	to be read

Definition at line 587 of file stm324xg_eval.c.

References heval_I2c, I2C_TIMEOUT, and I2Cx_Error().

Referenced by AUDIO_IO_Read(), CAMERA_IO_Read(), and IOE_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	Internal memory address
Buffer,:	Pointer to data buffer
Length,:	Length of the data

Return values:

Number of read data

Definition at line 633 of file stm324xg_eval.c.

References heval_I2c, I2C_TIMEOUT, and I2Cx_Error().

Referenced by EEPROM_IO_ReadData(), and IOE_ReadMultiple().

static void I2Cx_Write	(	uint8_t	Addr,
		uint8_t	Reg,
		uint8_t	Value
	)		`[static]`

Writes a single data.

Parameters:

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

Definition at line 610 of file stm324xg_eval.c.

References heval_I2c, I2C_TIMEOUT, and I2Cx_Error().

Referenced by AUDIO_IO_Write(), CAMERA_IO_Write(), and IOE_Write().

static HAL_StatusTypeDef I2Cx_WriteMultiple	(	uint8_t	Addr,
		uint16_t	Reg,
		uint16_t	MemAddress,
		uint8_t *	Buffer,
		uint16_t	Length
	)		`[static]`

Write 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	Internal memory address
Buffer,:	The target register value to be written
Length,:	buffer size to be written

Return values:

HAL status

Definition at line 657 of file stm324xg_eval.c.

References heval_I2c, I2C_TIMEOUT, and I2Cx_Error().

Referenced by EEPROM_IO_WriteData().

void IOE_Delay ( uint32_t Delay )

IOE delay.

Parameters:

Delay,: Delay in ms

Definition at line 875 of file stm324xg_eval.c.

uint8_t IOE_Read	(	uint8_t	Addr,
		uint8_t	Reg
	)

IOE reads single data.

Parameters:

Addr,:	I2C address
Reg,:	Reg address

Return values:

Read data

Definition at line 853 of file stm324xg_eval.c.

References I2Cx_Read().

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

IOE reads multiple data.

Parameters:

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

Return values:

Number of read data

Definition at line 866 of file stm324xg_eval.c.

References I2Cx_ReadMultiple().

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

IOE writes single data.

Parameters:

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

Definition at line 842 of file stm324xg_eval.c.

References I2Cx_Write().

uint16_t LCD_IO_ReadData ( uint16_t Reg )

Reads data from LCD data register.

Parameters:

Reg,: Register to be read

Return values:

Read data.

Definition at line 937 of file stm324xg_eval.c.

References FSMC_BANK3_ReadData(), and FSMC_BANK3_WriteReg().

void LCD_IO_WriteData ( uint16_t Data )

Writes data on LCD data register.

Parameters:

Data,: Data to be written

Definition at line 898 of file stm324xg_eval.c.

References FSMC_BANK3_WriteData().

void LCD_IO_WriteMultipleData	(	uint8_t *	pData,
		uint32_t	Size
	)

Write register value.

Parameters:

pData	Pointer on the register value
Size	Size of byte to transmit to the register

Definition at line 909 of file stm324xg_eval.c.

References FSMC_BANK3_WriteData().

void LCD_IO_WriteReg ( uint8_t Reg )

Writes register on LCD register.

Parameters:

Reg,: Register to be written

Definition at line 926 of file stm324xg_eval.c.

References FSMC_BANK3_WriteReg().

STM324xG_EVAL BSP User Manual: STM324xG EVAL LOW LEVEL Private Functions

STM3240G / STM3241G EVAL BSP Drivers

Functions

Function Documentation

Get in touch