STM32F439xx HAL User Manual
Functions
Initialization and de-initialization functions
EXTI Exported Functions

Functions

uint32_t LL_EXTI_DeInit (void)
 De-initialize the EXTI registers to their default reset values.
uint32_t LL_EXTI_Init (LL_EXTI_InitTypeDef *EXTI_InitStruct)
 Initialize the EXTI registers according to the specified parameters in EXTI_InitStruct.
void LL_EXTI_StructInit (LL_EXTI_InitTypeDef *EXTI_InitStruct)
 Set each LL_EXTI_InitTypeDef field to default value.

Function Documentation

uint32_t LL_EXTI_DeInit ( void  )

De-initialize the EXTI registers to their default reset values.

Return values:
AnErrorStatus enumeration value:
  • SUCCESS: EXTI registers are de-initialized
  • ERROR: not applicable

Definition at line 96 of file stm32f4xx_ll_exti.c.

References LL_EXTI_WriteReg.

uint32_t LL_EXTI_Init ( LL_EXTI_InitTypeDef EXTI_InitStruct)
void LL_EXTI_StructInit ( LL_EXTI_InitTypeDef EXTI_InitStruct)

Set each LL_EXTI_InitTypeDef field to default value.

Parameters:
EXTI_InitStructPointer to a LL_EXTI_InitTypeDef structure.
Return values:
None

Definition at line 202 of file stm32f4xx_ll_exti.c.

References LL_EXTI_InitTypeDef::Line_0_31, LL_EXTI_InitTypeDef::LineCommand, LL_EXTI_LINE_NONE, LL_EXTI_MODE_IT, LL_EXTI_TRIGGER_FALLING, LL_EXTI_InitTypeDef::Mode, and LL_EXTI_InitTypeDef::Trigger.