Exported Functions

Functions
__weak void	BSP_ErrorHandler (void)
	Error Handler.
uint32_t	BSP_GetVersion (void)
	This method returns the STM32L4R9I DISCOVERY BSP Driver revision.
void	BSP_LED_Init (Led_TypeDef Led)
	Configures LED GPIOs.
void	BSP_LED_DeInit (Led_TypeDef Led)
	Unconfigures LED GPIOs.
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.
uint8_t	BSP_JOY_Init (JOYMode_TypeDef Joy_Mode)
	Configures all buttons of the joystick in GPIO or EXTI modes.
void	BSP_JOY_DeInit (void)
	Unonfigures all GPIOs used as buttons of the joystick.
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.

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Function Documentation

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
huart,:	Pointer to a UART_HandleTypeDef structure that contains the configuration information for the specified USART peripheral.

Definition at line 494 of file stm32l4r9i_discovery.c.

References COM_RX_PIN, COM_RX_PORT, COM_TX_PIN, COM_TX_PORT, 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
huart,:	Pointer to a UART_HandleTypeDef structure that contains the configuration information for the specified USART peripheral.

Definition at line 456 of file stm32l4r9i_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.

void BSP_ErrorHandler

(

void

)

Error Handler.

Note:

Defined as a weak function to be overwritten by the application.

Return values:

None

Definition at line 200 of file stm32l4r9i_discovery.c.

Referenced by BSP_LED_Init(), HAL_DFSDM_FilterRegConvCpltCallback(), HAL_DFSDM_FilterRegConvHalfCpltCallback(), I2C1_Error(), and MFX_IO_Init().

uint32_t BSP_GetVersion

(

void

)

This method returns the STM32L4R9I DISCOVERY BSP Driver revision.

Return values:

version

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

Definition at line 209 of file stm32l4r9i_discovery.c.

References __STM32L4R9I_DISCOVERY_BSP_VERSION.

void BSP_JOY_DeInit

(

void

)

Unonfigures all GPIOs used as buttons of the joystick.

Return values:

None.

Definition at line 394 of file stm32l4r9i_discovery.c.

References BSP_IO_ConfigPin(), DOWN_JOY_PIN, LEFT_JOY_PIN, RIGHT_JOY_PIN, SEL_JOY_GPIO_CLK_ENABLE, SEL_JOY_GPIO_PORT, SEL_JOY_PIN, and UP_JOY_PIN.

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 414 of file stm32l4r9i_discovery.c.

References BSP_IO_ReadPin(), DOWN_JOY_PIN, JOY_DOWN, JOY_LEFT, JOY_NONE, JOY_RIGHT, JOY_SEL, JOY_UP, LEFT_JOY_PIN, RIGHT_JOY_PIN, SEL_JOY_GPIO_PORT, SEL_JOY_PIN, and UP_JOY_PIN.

uint8_t BSP_JOY_Init

(

JOYMode_TypeDef

Joy_Mode

)

Configures all buttons of the joystick 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 347 of file stm32l4r9i_discovery.c.

References BSP_IO_ConfigPin(), BSP_IO_Init(), DOWN_JOY_PIN, JOY_MODE_EXTI, JOY_MODE_GPIO, LEFT_JOY_PIN, MFX_IO_ITConfig(), RIGHT_JOY_PIN, SEL_JOY_EXTI_IRQn, SEL_JOY_GPIO_CLK_ENABLE, SEL_JOY_GPIO_PORT, SEL_JOY_PIN, and UP_JOY_PIN.

void BSP_LED_DeInit

(

Led_TypeDef

Led

)

Unconfigures LED GPIOs.

Parameters:

Led,:

Specifies the Led to be unconfigured. This parameter can be one of following parameters: LED1 LED2

Return values:

None

Definition at line 266 of file stm32l4r9i_discovery.c.

References LED2, LED2_GPIO_CLK_ENABLE, LED2_GPIO_PORT, and LED_PIN.

void BSP_LED_Init

(

Led_TypeDef

Led

)

Configures LED GPIOs.

Parameters:

Led,:

Specifies the Led to be configured. This parameter can be one of following parameters: LED1 LED2

Return values:

None

Definition at line 222 of file stm32l4r9i_discovery.c.

References BSP_ErrorHandler(), BSP_IO_ConfigPin(), BSP_IO_Init(), BSP_IO_WritePin(), IO_ERROR, LED2, LED2_GPIO_CLK_ENABLE, LED2_GPIO_PORT, and LED_PIN.

void BSP_LED_Off

(

Led_TypeDef

Led

)

Turns selected LED Off.

Parameters:

Led,:

Specifies the Led to be set off. This parameter can be one of following parameters: LED1 LED2

Return values:

None

Definition at line 306 of file stm32l4r9i_discovery.c.

References BSP_IO_WritePin(), LED2, LED2_GPIO_PORT, and LED_PIN.

void BSP_LED_On

(

Led_TypeDef

Led

)

Turns selected LED On.

Parameters:

Led,:

Specifies the Led to be set on. This parameter can be one of following parameters: LED1 LED2

Return values:

None

Definition at line 286 of file stm32l4r9i_discovery.c.

References BSP_IO_WritePin(), LED2, LED2_GPIO_PORT, and LED_PIN.

void BSP_LED_Toggle

(

Led_TypeDef

Led

)

Toggles the selected LED.

Parameters:

Led,:

Specifies the Led to be toggled. This parameter can be one of following parameters: LED1 LED2

Return values:

None

Definition at line 326 of file stm32l4r9i_discovery.c.

References BSP_IO_TogglePin(), LED2, LED2_GPIO_PORT, and LED_PIN.