Initialization and de-initialization 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:

An	ErrorStatus enumeration value: 0x00: EXTI registers are de-initialized

Definition at line 79 of file stm32l4xx_ll_exti.c.

References LL_EXTI_WriteReg.

uint32_t LL_EXTI_Init

(

LL_EXTI_InitTypeDef *

EXTI_InitStruct

)

Initialize the EXTI registers according to the specified parameters in EXTI_InitStruct.

Parameters:

EXTI_InitStruct

pointer to a LL_EXTI_InitTypeDef structure.

Return values:

An	ErrorStatus enumeration value: 0x00: EXTI registers are initialized any other calue : wrong configuration

Definition at line 121 of file stm32l4xx_ll_exti.c.

References assert_param, IS_LL_EXTI_LINE_0_31, IS_LL_EXTI_LINE_32_63, IS_LL_EXTI_MODE, IS_LL_EXTI_TRIGGER, LL_EXTI_InitTypeDef::Line_0_31, LL_EXTI_InitTypeDef::Line_32_63, LL_EXTI_InitTypeDef::LineCommand, LL_EXTI_DisableEvent_0_31(), LL_EXTI_DisableEvent_32_63(), LL_EXTI_DisableFallingTrig_0_31(), LL_EXTI_DisableFallingTrig_32_63(), LL_EXTI_DisableIT_0_31(), LL_EXTI_DisableIT_32_63(), LL_EXTI_DisableRisingTrig_0_31(), LL_EXTI_DisableRisingTrig_32_63(), LL_EXTI_EnableEvent_0_31(), LL_EXTI_EnableEvent_32_63(), LL_EXTI_EnableFallingTrig_0_31(), LL_EXTI_EnableFallingTrig_32_63(), LL_EXTI_EnableIT_0_31(), LL_EXTI_EnableIT_32_63(), LL_EXTI_EnableRisingTrig_0_31(), LL_EXTI_EnableRisingTrig_32_63(), LL_EXTI_LINE_NONE, LL_EXTI_MODE_EVENT, LL_EXTI_MODE_IT, LL_EXTI_MODE_IT_EVENT, LL_EXTI_TRIGGER_FALLING, LL_EXTI_TRIGGER_NONE, LL_EXTI_TRIGGER_RISING, LL_EXTI_TRIGGER_RISING_FALLING, LL_EXTI_InitTypeDef::Mode, and LL_EXTI_InitTypeDef::Trigger.

void LL_EXTI_StructInit

(

LL_EXTI_InitTypeDef *

EXTI_InitStruct

)

Set each LL_EXTI_InitTypeDef field to default value.

Parameters:

EXTI_InitStruct

Pointer to a LL_EXTI_InitTypeDef structure.

Return values:

None

Definition at line 260 of file stm32l4xx_ll_exti.c.

References LL_EXTI_InitTypeDef::Line_0_31, LL_EXTI_InitTypeDef::Line_32_63, 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.