457 lines
16 KiB
C
457 lines
16 KiB
C
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/**
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******************************************************************************
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* @file stm32h7xx_ll_exti.c
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* @author MCD Application Team
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* @brief EXTI LL module driver.
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2017 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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#if defined(USE_FULL_LL_DRIVER)
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/* Includes ------------------------------------------------------------------*/
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#include "stm32h7xx_ll_exti.h"
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#ifdef USE_FULL_ASSERT
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#include "stm32_assert.h"
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#else
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#define assert_param(expr) ((void)0U)
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#endif
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/** @addtogroup STM32H7xx_LL_Driver
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* @{
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*/
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#if defined (EXTI)
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/** @defgroup EXTI_LL EXTI
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* @{
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*/
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/* Private types -------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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/* Private constants ---------------------------------------------------------*/
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/* Private macros ------------------------------------------------------------*/
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/** @addtogroup EXTI_LL_Private_Macros
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* @{
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*/
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#define IS_LL_EXTI_LINE_0_31(__VALUE__) (((__VALUE__) & ~LL_EXTI_LINE_ALL_0_31) == 0x00000000U)
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#define IS_LL_EXTI_LINE_32_63(__VALUE__) (((__VALUE__) & ~LL_EXTI_LINE_ALL_32_63) == 0x00000000U)
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#define IS_LL_EXTI_LINE_64_95(__VALUE__) (((__VALUE__) & ~LL_EXTI_LINE_ALL_64_95) == 0x00000000U)
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#define IS_LL_EXTI_MODE(__VALUE__) (((__VALUE__) == LL_EXTI_MODE_IT) \
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|| ((__VALUE__) == LL_EXTI_MODE_EVENT) \
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|| ((__VALUE__) == LL_EXTI_MODE_IT_EVENT))
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#define IS_LL_EXTI_TRIGGER(__VALUE__) (((__VALUE__) == LL_EXTI_TRIGGER_NONE) \
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|| ((__VALUE__) == LL_EXTI_TRIGGER_RISING) \
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|| ((__VALUE__) == LL_EXTI_TRIGGER_FALLING) \
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|| ((__VALUE__) == LL_EXTI_TRIGGER_RISING_FALLING))
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/**
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* @}
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*/
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/* Private function prototypes -----------------------------------------------*/
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/* Exported functions --------------------------------------------------------*/
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/** @addtogroup EXTI_LL_Exported_Functions
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* @{
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*/
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/** @addtogroup EXTI_LL_EF_Init
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* @{
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*/
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/**
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* @brief De-initialize the EXTI registers to their default reset values.
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* @retval An ErrorStatus enumeration value:
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* - SUCCESS: EXTI registers are de-initialized
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* - ERROR: not applicable
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*/
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ErrorStatus LL_EXTI_DeInit(void)
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{
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/* Rising Trigger selection register set to default reset values */
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LL_EXTI_WriteReg(RTSR1, 0x00000000U);
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LL_EXTI_WriteReg(RTSR2, 0x00000000U);
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LL_EXTI_WriteReg(RTSR3, 0x00000000U);
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/* Falling Trigger selection register set to default reset values */
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LL_EXTI_WriteReg(FTSR1, 0x00000000U);
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LL_EXTI_WriteReg(FTSR2, 0x00000000U);
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LL_EXTI_WriteReg(FTSR3, 0x00000000U);
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/* Software interrupt event register set to default reset values */
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LL_EXTI_WriteReg(SWIER1, 0x00000000U);
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LL_EXTI_WriteReg(SWIER2, 0x00000000U);
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LL_EXTI_WriteReg(SWIER3, 0x00000000U);
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/* D3 Pending register set to default reset values */
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LL_EXTI_WriteReg(D3PMR1, 0x00000000U);
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LL_EXTI_WriteReg(D3PMR2, 0x00000000U);
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LL_EXTI_WriteReg(D3PMR3, 0x00000000U);
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/* D3 Pending clear selection register low to default reset values */
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LL_EXTI_WriteReg(D3PCR1L, 0x00000000U);
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LL_EXTI_WriteReg(D3PCR2L, 0x00000000U);
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LL_EXTI_WriteReg(D3PCR3L, 0x00000000U);
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/* D3 Pending clear selection register high to default reset values */
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LL_EXTI_WriteReg(D3PCR1H, 0x00000000U);
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LL_EXTI_WriteReg(D3PCR2H, 0x00000000U);
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LL_EXTI_WriteReg(D3PCR3H, 0x00000000U);
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/* Interrupt mask register reset */
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LL_EXTI_WriteReg(IMR1, 0x00000000U);
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LL_EXTI_WriteReg(IMR2, 0x00000000U);
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LL_EXTI_WriteReg(IMR3, 0x00000000U);
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/* Event mask register reset */
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LL_EXTI_WriteReg(EMR1, 0x00000000U);
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LL_EXTI_WriteReg(EMR2, 0x00000000U);
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LL_EXTI_WriteReg(EMR3, 0x00000000U);
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/* Clear Pending requests */
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LL_EXTI_WriteReg(PR1, EXTI_PR1_PR_Msk);
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LL_EXTI_WriteReg(PR2, EXTI_PR2_PR_Msk);
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LL_EXTI_WriteReg(PR3, EXTI_PR3_PR_Msk);
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#if defined(DUAL_CORE)
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/* Interrupt mask register set to default reset values for Core 2 (Coretx-M4)*/
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LL_EXTI_WriteReg(C2IMR1, 0x00000000U);
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LL_EXTI_WriteReg(C2IMR2, 0x00000000U);
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LL_EXTI_WriteReg(C2IMR3, 0x00000000U);
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/* Event mask register set to default reset values */
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LL_EXTI_WriteReg(C2EMR1, 0x00000000U);
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LL_EXTI_WriteReg(C2EMR2, 0x00000000U);
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LL_EXTI_WriteReg(C2EMR3, 0x00000000U);
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/* Clear Pending requests */
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LL_EXTI_WriteReg(C2PR1, EXTI_PR1_PR_Msk);
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LL_EXTI_WriteReg(C2PR2, EXTI_PR2_PR_Msk);
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LL_EXTI_WriteReg(C2PR3, EXTI_PR3_PR_Msk);
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#endif /* DUAL_CORE*/
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return SUCCESS;
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}
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/**
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* @brief Initialize the EXTI registers according to the specified parameters in EXTI_InitStruct.
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* @param EXTI_InitStruct pointer to a @ref LL_EXTI_InitTypeDef structure.
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* @retval An ErrorStatus enumeration value:
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* - SUCCESS: EXTI registers are initialized
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* - ERROR: not applicable
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*/
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ErrorStatus LL_EXTI_Init(LL_EXTI_InitTypeDef *EXTI_InitStruct)
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{
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ErrorStatus status = SUCCESS;
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/* Check the parameters */
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assert_param(IS_LL_EXTI_LINE_0_31(EXTI_InitStruct->Line_0_31));
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assert_param(IS_LL_EXTI_LINE_32_63(EXTI_InitStruct->Line_32_63));
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assert_param(IS_LL_EXTI_LINE_64_95(EXTI_InitStruct->Line_64_95));
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assert_param(IS_FUNCTIONAL_STATE(EXTI_InitStruct->LineCommand));
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assert_param(IS_LL_EXTI_MODE(EXTI_InitStruct->Mode));
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/* ENABLE LineCommand */
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if (EXTI_InitStruct->LineCommand != DISABLE)
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{
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assert_param(IS_LL_EXTI_TRIGGER(EXTI_InitStruct->Trigger));
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/* Configure EXTI Lines in range from 0 to 31 */
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if (EXTI_InitStruct->Line_0_31 != LL_EXTI_LINE_NONE)
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{
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if((EXTI_InitStruct->Mode & LL_EXTI_MODE_IT) == LL_EXTI_MODE_IT)
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{
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/* Enable IT on provided Lines for Cortex-M7*/
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LL_EXTI_EnableIT_0_31(EXTI_InitStruct->Line_0_31);
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}
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else
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{
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/* Disable IT on provided Lines for Cortex-M7*/
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LL_EXTI_DisableIT_0_31(EXTI_InitStruct->Line_0_31);
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}
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if((EXTI_InitStruct->Mode & LL_EXTI_MODE_EVENT) == LL_EXTI_MODE_EVENT)
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{
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/* Enable event on provided Lines for Cortex-M7 */
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LL_EXTI_EnableEvent_0_31(EXTI_InitStruct->Line_0_31);
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}
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else
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{
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/* Disable event on provided Lines for Cortex-M7 */
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LL_EXTI_DisableEvent_0_31(EXTI_InitStruct->Line_0_31);
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}
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#if defined(DUAL_CORE)
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if((EXTI_InitStruct->Mode & LL_EXTI_MODE_C2_IT) == LL_EXTI_MODE_C2_IT)
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{
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/* Enable IT on provided Lines for Cortex-M4 */
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LL_C2_EXTI_EnableIT_0_31 (EXTI_InitStruct->Line_0_31);
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}
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else
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{
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/* Disable IT on provided Lines for Cortex-M4*/
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LL_C2_EXTI_DisableIT_0_31(EXTI_InitStruct->Line_0_31);
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}
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if((EXTI_InitStruct->Mode & LL_EXTI_MODE_C2_EVENT) == LL_EXTI_MODE_C2_EVENT)
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{
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/* Enable event on provided Lines for Cortex-M4 */
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LL_C2_EXTI_EnableEvent_0_31(EXTI_InitStruct->Line_0_31);
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}
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else
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{
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/* Disable event on provided Lines for Cortex-M4*/
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LL_C2_EXTI_DisableEvent_0_31(EXTI_InitStruct->Line_0_31);
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}
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#endif /* DUAL_CORE */
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if (EXTI_InitStruct->Trigger != LL_EXTI_TRIGGER_NONE)
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{
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switch (EXTI_InitStruct->Trigger)
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{
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case LL_EXTI_TRIGGER_RISING:
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/* First Disable Falling Trigger on provided Lines */
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LL_EXTI_DisableFallingTrig_0_31(EXTI_InitStruct->Line_0_31);
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/* Then Enable Rising Trigger on provided Lines */
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LL_EXTI_EnableRisingTrig_0_31(EXTI_InitStruct->Line_0_31);
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break;
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case LL_EXTI_TRIGGER_FALLING:
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/* First Disable Rising Trigger on provided Lines */
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LL_EXTI_DisableRisingTrig_0_31(EXTI_InitStruct->Line_0_31);
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/* Then Enable Falling Trigger on provided Lines */
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LL_EXTI_EnableFallingTrig_0_31(EXTI_InitStruct->Line_0_31);
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break;
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case LL_EXTI_TRIGGER_RISING_FALLING:
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LL_EXTI_EnableRisingTrig_0_31(EXTI_InitStruct->Line_0_31);
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LL_EXTI_EnableFallingTrig_0_31(EXTI_InitStruct->Line_0_31);
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break;
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default:
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status = ERROR;
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break;
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}
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}
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}
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/* Configure EXTI Lines in range from 32 to 63 */
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if (EXTI_InitStruct->Line_32_63 != LL_EXTI_LINE_NONE)
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{
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if((EXTI_InitStruct->Mode & LL_EXTI_MODE_IT) == LL_EXTI_MODE_IT)
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{
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/* Enable IT on provided Lines for Cortex-M7*/
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LL_EXTI_EnableIT_32_63(EXTI_InitStruct->Line_32_63);
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}
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else
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{
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/* Disable IT on provided Lines for Cortex-M7*/
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LL_EXTI_DisableIT_32_63(EXTI_InitStruct->Line_32_63);
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}
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if((EXTI_InitStruct->Mode & LL_EXTI_MODE_EVENT) == LL_EXTI_MODE_EVENT)
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{
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/* Enable event on provided Lines for Cortex-M7 */
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LL_EXTI_EnableEvent_32_63(EXTI_InitStruct->Line_32_63);
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}
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else
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{
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/* Disable event on provided Lines for Cortex-M7 */
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LL_EXTI_DisableEvent_32_63(EXTI_InitStruct->Line_32_63);
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}
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#if defined(DUAL_CORE)
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if((EXTI_InitStruct->Mode & LL_EXTI_MODE_C2_IT) == LL_EXTI_MODE_C2_IT)
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{
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/* Enable IT on provided Lines for Cortex-M4 */
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LL_C2_EXTI_EnableIT_32_63 (EXTI_InitStruct->Line_32_63);
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}
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else
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{
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/* Disable IT on provided Lines for Cortex-M4 */
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LL_C2_EXTI_DisableIT_32_63 (EXTI_InitStruct->Line_32_63);
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}
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if((EXTI_InitStruct->Mode & LL_EXTI_MODE_C2_EVENT) == LL_EXTI_MODE_C2_EVENT)
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{
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/* Enable event on provided Lines for Cortex-M4 */
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LL_C2_EXTI_EnableEvent_32_63(EXTI_InitStruct->Line_32_63);
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}
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else
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{
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/* Disable event on provided Lines for Cortex-M4 */
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LL_C2_EXTI_DisableEvent_32_63(EXTI_InitStruct->Line_32_63);
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}
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#endif /* DUAL_CORE */
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if (EXTI_InitStruct->Trigger != LL_EXTI_TRIGGER_NONE)
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{
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switch (EXTI_InitStruct->Trigger)
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{
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case LL_EXTI_TRIGGER_RISING:
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/* First Disable Falling Trigger on provided Lines */
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LL_EXTI_DisableFallingTrig_32_63(EXTI_InitStruct->Line_32_63);
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/* Then Enable IT on provided Lines */
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LL_EXTI_EnableRisingTrig_32_63(EXTI_InitStruct->Line_32_63);
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break;
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case LL_EXTI_TRIGGER_FALLING:
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/* First Disable Rising Trigger on provided Lines */
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LL_EXTI_DisableRisingTrig_32_63(EXTI_InitStruct->Line_32_63);
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/* Then Enable Falling Trigger on provided Lines */
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LL_EXTI_EnableFallingTrig_32_63(EXTI_InitStruct->Line_32_63);
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break;
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case LL_EXTI_TRIGGER_RISING_FALLING:
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LL_EXTI_EnableRisingTrig_32_63(EXTI_InitStruct->Line_32_63);
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LL_EXTI_EnableFallingTrig_32_63(EXTI_InitStruct->Line_32_63);
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break;
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default:
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status = ERROR;
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break;
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}
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}
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}
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/* Configure EXTI Lines in range from 64 to 95 */
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if (EXTI_InitStruct->Line_64_95 != LL_EXTI_LINE_NONE)
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{
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if((EXTI_InitStruct->Mode & LL_EXTI_MODE_IT) == LL_EXTI_MODE_IT)
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{
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/* Enable IT on provided Lines for Cortex-M7*/
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LL_EXTI_EnableIT_64_95(EXTI_InitStruct->Line_64_95);
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}
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else
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{
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/* Disable IT on provided Lines for Cortex-M7*/
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LL_EXTI_DisableIT_64_95(EXTI_InitStruct->Line_64_95);
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}
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if((EXTI_InitStruct->Mode & LL_EXTI_MODE_EVENT) == LL_EXTI_MODE_EVENT)
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{
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/* Enable event on provided Lines for Cortex-M7 */
|
||
|
|
LL_EXTI_EnableEvent_64_95(EXTI_InitStruct->Line_64_95);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
/* Disable event on provided Lines for Cortex-M7 */
|
||
|
|
LL_EXTI_DisableEvent_64_95(EXTI_InitStruct->Line_64_95);
|
||
|
|
}
|
||
|
|
|
||
|
|
#if defined(DUAL_CORE)
|
||
|
|
if((EXTI_InitStruct->Mode & LL_EXTI_MODE_C2_IT) == LL_EXTI_MODE_C2_IT)
|
||
|
|
{
|
||
|
|
/* Enable IT on provided Lines for Cortex-M4 */
|
||
|
|
LL_C2_EXTI_EnableIT_64_95 (EXTI_InitStruct->Line_64_95);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
/* Disable IT on provided Lines for Cortex-M4 */
|
||
|
|
LL_C2_EXTI_DisableIT_64_95 (EXTI_InitStruct->Line_64_95);
|
||
|
|
}
|
||
|
|
|
||
|
|
if((EXTI_InitStruct->Mode & LL_EXTI_MODE_C2_EVENT) == LL_EXTI_MODE_C2_EVENT)
|
||
|
|
{
|
||
|
|
/* Enable event on provided Lines for Cortex-M4 */
|
||
|
|
LL_C2_EXTI_EnableEvent_64_95(EXTI_InitStruct->Line_64_95);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
/* Disable event on provided Lines for Cortex-M4 */
|
||
|
|
LL_C2_EXTI_DisableEvent_64_95(EXTI_InitStruct->Line_64_95);
|
||
|
|
}
|
||
|
|
#endif /* DUAL_CORE */
|
||
|
|
|
||
|
|
if (EXTI_InitStruct->Trigger != LL_EXTI_TRIGGER_NONE)
|
||
|
|
{
|
||
|
|
switch (EXTI_InitStruct->Trigger)
|
||
|
|
{
|
||
|
|
case LL_EXTI_TRIGGER_RISING:
|
||
|
|
/* First Disable Falling Trigger on provided Lines */
|
||
|
|
LL_EXTI_DisableFallingTrig_64_95(EXTI_InitStruct->Line_64_95);
|
||
|
|
/* Then Enable IT on provided Lines */
|
||
|
|
LL_EXTI_EnableRisingTrig_64_95(EXTI_InitStruct->Line_64_95);
|
||
|
|
break;
|
||
|
|
case LL_EXTI_TRIGGER_FALLING:
|
||
|
|
/* First Disable Rising Trigger on provided Lines */
|
||
|
|
LL_EXTI_DisableRisingTrig_64_95(EXTI_InitStruct->Line_64_95);
|
||
|
|
/* Then Enable Falling Trigger on provided Lines */
|
||
|
|
LL_EXTI_EnableFallingTrig_64_95(EXTI_InitStruct->Line_64_95);
|
||
|
|
break;
|
||
|
|
case LL_EXTI_TRIGGER_RISING_FALLING:
|
||
|
|
LL_EXTI_EnableRisingTrig_64_95(EXTI_InitStruct->Line_64_95);
|
||
|
|
LL_EXTI_EnableFallingTrig_64_95(EXTI_InitStruct->Line_64_95);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
status = ERROR;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else /* DISABLE LineCommand */
|
||
|
|
{
|
||
|
|
/* Disable IT on provided Lines for Cortex-M7*/
|
||
|
|
LL_EXTI_DisableIT_0_31(EXTI_InitStruct->Line_0_31);
|
||
|
|
LL_EXTI_DisableIT_32_63(EXTI_InitStruct->Line_32_63);
|
||
|
|
LL_EXTI_DisableIT_64_95(EXTI_InitStruct->Line_64_95);
|
||
|
|
|
||
|
|
/* Disable event on provided Lines for Cortex-M7 */
|
||
|
|
LL_EXTI_DisableEvent_0_31(EXTI_InitStruct->Line_0_31);
|
||
|
|
LL_EXTI_DisableEvent_32_63(EXTI_InitStruct->Line_32_63);
|
||
|
|
LL_EXTI_DisableEvent_64_95(EXTI_InitStruct->Line_64_95);
|
||
|
|
|
||
|
|
#if defined(DUAL_CORE)
|
||
|
|
/* Disable IT on provided Lines for Cortex-M4*/
|
||
|
|
LL_C2_EXTI_DisableIT_0_31(EXTI_InitStruct->Line_0_31);
|
||
|
|
LL_C2_EXTI_DisableIT_32_63(EXTI_InitStruct->Line_32_63);
|
||
|
|
LL_C2_EXTI_DisableIT_64_95(EXTI_InitStruct->Line_64_95);
|
||
|
|
|
||
|
|
/* Disable event on provided Lines for Cortex-M4 */
|
||
|
|
LL_C2_EXTI_DisableEvent_0_31(EXTI_InitStruct->Line_0_31);
|
||
|
|
LL_C2_EXTI_DisableEvent_32_63(EXTI_InitStruct->Line_32_63);
|
||
|
|
LL_C2_EXTI_DisableEvent_64_95(EXTI_InitStruct->Line_64_95);
|
||
|
|
#endif /* DUAL_CORE */
|
||
|
|
}
|
||
|
|
|
||
|
|
return status;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Set each @ref LL_EXTI_InitTypeDef field to default value.
|
||
|
|
* @param EXTI_InitStruct Pointer to a @ref LL_EXTI_InitTypeDef structure.
|
||
|
|
* @retval None
|
||
|
|
*/
|
||
|
|
void LL_EXTI_StructInit(LL_EXTI_InitTypeDef *EXTI_InitStruct)
|
||
|
|
{
|
||
|
|
EXTI_InitStruct->Line_0_31 = LL_EXTI_LINE_NONE;
|
||
|
|
EXTI_InitStruct->Line_32_63 = LL_EXTI_LINE_NONE;
|
||
|
|
EXTI_InitStruct->Line_64_95 = LL_EXTI_LINE_NONE;
|
||
|
|
EXTI_InitStruct->LineCommand = DISABLE;
|
||
|
|
EXTI_InitStruct->Mode = LL_EXTI_MODE_IT;
|
||
|
|
EXTI_InitStruct->Trigger = LL_EXTI_TRIGGER_FALLING;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
#endif /* defined (EXTI) */
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
#endif /* USE_FULL_LL_DRIVER */
|
||
|
|
|