212 lines
6.7 KiB
C
212 lines
6.7 KiB
C
/**
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******************************************************************************
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* @file stm32h7xx_hal_hsem.h
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* @author MCD Application Team
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* @brief Header file of HSEM HAL module.
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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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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef STM32H7xx_HAL_HSEM_H
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#define STM32H7xx_HAL_HSEM_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Includes ------------------------------------------------------------------*/
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#include "stm32h7xx_hal_def.h"
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/** @addtogroup STM32H7xx_HAL_Driver
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* @{
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*/
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/** @addtogroup HSEM
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* @{
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*/
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/* Exported macro ------------------------------------------------------------*/
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/** @defgroup HSEM_Exported_Macros HSEM Exported Macros
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* @{
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*/
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/**
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* @brief SemID to mask helper Macro.
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* @param __SEMID__: semaphore ID from 0 to 31
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* @retval Semaphore Mask.
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*/
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#define __HAL_HSEM_SEMID_TO_MASK(__SEMID__) (1 << (__SEMID__))
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/**
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* @brief Enables the specified HSEM interrupts.
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* @param __SEM_MASK__: semaphores Mask
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* @retval None.
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*/
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#if defined(DUAL_CORE)
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#define __HAL_HSEM_ENABLE_IT(__SEM_MASK__) ((((SCB->CPUID & 0x000000F0) >> 4 )== 0x7) ? \
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(HSEM->C1IER |= (__SEM_MASK__)) : \
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(HSEM->C2IER |= (__SEM_MASK__)))
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#else
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#define __HAL_HSEM_ENABLE_IT(__SEM_MASK__) (HSEM->IER |= (__SEM_MASK__))
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#endif /* DUAL_CORE */
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/**
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* @brief Disables the specified HSEM interrupts.
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* @param __SEM_MASK__: semaphores Mask
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* @retval None.
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*/
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#if defined(DUAL_CORE)
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#define __HAL_HSEM_DISABLE_IT(__SEM_MASK__) ((((SCB->CPUID & 0x000000F0) >> 4 )== 0x7) ? \
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(HSEM->C1IER &= ~(__SEM_MASK__)) : \
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(HSEM->C2IER &= ~(__SEM_MASK__)))
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#else
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#define __HAL_HSEM_DISABLE_IT(__SEM_MASK__) (HSEM->IER &= ~(__SEM_MASK__))
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#endif /* DUAL_CORE */
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/**
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* @brief Checks whether interrupt has occurred or not for semaphores specified by a mask.
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* @param __SEM_MASK__: semaphores Mask
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* @retval semaphores Mask : Semaphores where an interrupt occurred.
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*/
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#if defined(DUAL_CORE)
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#define __HAL_HSEM_GET_IT(__SEM_MASK__) ((((SCB->CPUID & 0x000000F0) >> 4 )== 0x7) ? \
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((__SEM_MASK__) & HSEM->C1MISR) : \
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((__SEM_MASK__) & HSEM->C2MISR1))
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#else
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#define __HAL_HSEM_GET_IT(__SEM_MASK__) ((__SEM_MASK__) & HSEM->MISR)
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#endif /* DUAL_CORE */
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/**
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* @brief Get the semaphores release status flags.
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* @param __SEM_MASK__: semaphores Mask
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* @retval semaphores Mask : Semaphores where Release flags rise.
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*/
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#if defined(DUAL_CORE)
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#define __HAL_HSEM_GET_FLAG(__SEM_MASK__) ((((SCB->CPUID & 0x000000F0) >> 4 )== 0x7) ? \
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(__SEM_MASK__) & HSEM->C1ISR : \
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(__SEM_MASK__) & HSEM->C2ISR)
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#else
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#define __HAL_HSEM_GET_FLAG(__SEM_MASK__) ((__SEM_MASK__) & HSEM->ISR)
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#endif /* DUAL_CORE */
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/**
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* @brief Clears the HSEM Interrupt flags.
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* @param __SEM_MASK__: semaphores Mask
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* @retval None.
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*/
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#if defined(DUAL_CORE)
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#define __HAL_HSEM_CLEAR_FLAG(__SEM_MASK__) ((((SCB->CPUID & 0x000000F0) >> 4 )== 0x7) ? \
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(HSEM->C1ICR |= (__SEM_MASK__)) : \
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(HSEM->C2ICR |= (__SEM_MASK__)))
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#else
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#define __HAL_HSEM_CLEAR_FLAG(__SEM_MASK__) (HSEM->ICR |= (__SEM_MASK__))
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#endif /* DUAL_CORE */
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/**
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* @}
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*/
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/* Exported functions --------------------------------------------------------*/
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/** @defgroup HSEM_Exported_Functions HSEM Exported Functions
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* @{
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*/
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/** @addtogroup HSEM_Exported_Functions_Group1 Take and Release functions
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* @brief HSEM Take and Release functions
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* @{
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*/
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/* HSEM semaphore take (lock) using 2-Step method ****************************/
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HAL_StatusTypeDef HAL_HSEM_Take(uint32_t SemID, uint32_t ProcessID);
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/* HSEM semaphore fast take (lock) using 1-Step method ***********************/
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HAL_StatusTypeDef HAL_HSEM_FastTake(uint32_t SemID);
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/* HSEM Release **************************************************************/
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void HAL_HSEM_Release(uint32_t SemID, uint32_t ProcessID);
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/* HSEM Release All************************************************************/
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void HAL_HSEM_ReleaseAll(uint32_t Key, uint32_t CoreID);
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/* HSEM Check semaphore state Taken or not **********************************/
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uint32_t HAL_HSEM_IsSemTaken(uint32_t SemID);
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/**
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* @}
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*/
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/** @addtogroup HSEM_Exported_Functions_Group2 HSEM Set and Get Key functions
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* @brief HSEM Set and Get Key functions.
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* @{
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*/
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/* HSEM Set Clear Key *********************************************************/
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void HAL_HSEM_SetClearKey(uint32_t Key);
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/* HSEM Get Clear Key *********************************************************/
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uint32_t HAL_HSEM_GetClearKey(void);
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/**
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* @}
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*/
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/** @addtogroup HSEM_Exported_Functions_Group3
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* @brief HSEM Notification functions
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* @{
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*/
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/* HSEM Activate HSEM Notification (When a semaphore is released) ) *****************/
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void HAL_HSEM_ActivateNotification(uint32_t SemMask);
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/* HSEM Deactivate HSEM Notification (When a semaphore is released) ****************/
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void HAL_HSEM_DeactivateNotification(uint32_t SemMask);
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/* HSEM Free Callback (When a semaphore is released) *******************************/
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void HAL_HSEM_FreeCallback(uint32_t SemMask);
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/* HSEM IRQ Handler **********************************************************/
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void HAL_HSEM_IRQHandler(void);
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/**
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* @}
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*/
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/**
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* @}
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*/
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/* Private macros ------------------------------------------------------------*/
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/** @defgroup HSEM_Private_Macros HSEM Private Macros
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* @{
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*/
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#define IS_HSEM_SEMID(__SEMID__) ((__SEMID__) <= HSEM_SEMID_MAX )
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#define IS_HSEM_PROCESSID(__PROCESSID__) ((__PROCESSID__) <= HSEM_PROCESSID_MAX )
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#define IS_HSEM_KEY(__KEY__) ((__KEY__) <= HSEM_CLEAR_KEY_MAX )
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#if defined(DUAL_CORE)
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#define IS_HSEM_COREID(__COREID__) (((__COREID__) == HSEM_CPU1_COREID) || \
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((__COREID__) == HSEM_CPU2_COREID))
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#else
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#define IS_HSEM_COREID(__COREID__) ((__COREID__) == HSEM_CPU1_COREID)
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#endif
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/**
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* @}
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*/
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/**
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* @}
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*/
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/**
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* @}
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*/
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#ifdef __cplusplus
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}
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#endif
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#endif /* STM32H7xx_HAL_HSEM_H */
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