STM32L476G-Discovery BSP User Manual: Exported Functions

STM32L476G-Discovery BSP

STM32L476G-Discovery BSP User Manual

Functions

uint32_t BSP_GetVersion (void)
 This method returns the STM32L476 DISCOVERY BSP Driver revision.
SupplyMode_TypeDef BSP_SupplyModeDetection (void)
 This method returns the STM32L476 DISCOVERY supply mode.
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.

Function Documentation

uint32_t BSP_GetVersion ( void  )

This method returns the STM32L476 DISCOVERY BSP Driver revision.

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

Definition at line 286 of file stm32l476g_discovery.c.

References __STM32L476G_DISCOVERY_BSP_VERSION.

void BSP_JOY_DeInit ( void  )

Unonfigures all GPIOs used as buttons of the joystick.

Return values:
None.

Definition at line 512 of file stm32l476g_discovery.c.

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

Returns the current joystick status.

Return values:
Codeof 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 537 of file stm32l476g_discovery.c.

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

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 472 of file stm32l476g_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)

Unconfigures LED GPIOs.

Parameters:
Led,:Specifies the Led to be unconfigured. This parameter can be one of following parameters:
  • LED4
  • LED5
Return values:
None

Definition at line 383 of file stm32l476g_discovery.c.

References LED_PIN, LED_PORT, and LEDx_GPIO_CLK_ENABLE.

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:
  • LED4
  • LED5
Return values:
None

Definition at line 346 of file stm32l476g_discovery.c.

References LED_PIN, LED_PORT, and LEDx_GPIO_CLK_ENABLE.

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:
  • LED4
  • LED5
Return values:
None

Definition at line 434 of file stm32l476g_discovery.c.

References LED_PIN, and LED_PORT.

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:
  • LED4
  • LED5
Return values:
None

Definition at line 410 of file stm32l476g_discovery.c.

References LED_PIN, and LED_PORT.

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:
  • LED4
  • LED5
Return values:
None

Definition at line 458 of file stm32l476g_discovery.c.

References LED_PIN, and LED_PORT.

This method returns the STM32L476 DISCOVERY supply mode.

Return values:
Codeof current supply mode This code can be one of following:
  • SUPPLY_MODE_EXTERNAL
  • SUPPLY_MODE_BATTERY

Definition at line 298 of file stm32l476g_discovery.c.

References BATTERY_DETECTION_GPIO_CLK_ENABLE, BATTERY_DETECTION_GPIO_PORT, BATTERY_DETECTION_PIN, SUPPLY_MODE_BATTERY, SUPPLY_MODE_ERROR, and SUPPLY_MODE_EXTERNAL.

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