/**
******************************************************************************
* @file stm32h7xx_hal_hsem.h
* @author MCD Application Team
* @brief Header file of HSEM HAL module.
******************************************************************************
* @attention
*
*
© COPYRIGHT(c) 2017 STMicroelectronics
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32H7xx_HAL_HSEM_H
#define __STM32H7xx_HAL_HSEM_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32h7xx_hal_def.h"
/** @addtogroup STM32H7xx_HAL_Driver
* @{
*/
/** @addtogroup HSEM
* @{
*/
/* Exported types ------------------------------------------------------------*/
/** @defgroup HSEM_Exported_Types HSEM Exported Types
* @{
*/
/**
* @}
*/
/* Exported constants --------------------------------------------------------*/
/** @defgroup HSEM_Exported_Constants HSEM Exported Constants
* @{
*/
/**
* @}
*/
/* Exported macro ------------------------------------------------------------*/
/** @defgroup HSEM_Exported_Macros HSEM Exported Macros
* @{
*/
/**
* @brief SemID to mask helper Macro.
* @param __SEMID__: semaphore ID from 0 to 31
* @retval Semaphore Mask.
*/
#define __HAL_HSEM_SEMID_TO_MASK(__SEMID__) (1 << (__SEMID__))
/**
* @brief Enables the specified HSEM interrupts.
* @param __SEM_MASK__: semaphores Mask
* @retval None.
*/
#define __HAL_HSEM_ENABLE_IT(__SEM_MASK__) (HSEM->IER |= (__SEM_MASK__))
/**
* @brief Disables the specified HSEM interrupts.
* @param __SEM_MASK__: semaphores Mask
* @retval None.
*/
#define __HAL_HSEM_DISABLE_IT(__SEM_MASK__) (HSEM->IER &= ~(__SEM_MASK__))
/**
* @brief Checks whether interrupt has occurred or not for semaphores specified by a mask.
* @param __SEM_MASK__: semaphores Mask
* @retval semaphores Mask : Semaphores where an interrupt occurred.
*/
#define __HAL_HSEM_GET_IT(__SEM_MASK__) ((__SEM_MASK__) & HSEM->MISR)
/**
* @brief Get the semaphores release status flags.
* @param __SEM_MASK__: semaphores Mask
* @retval semaphores Mask : Semaphores where Release flags rise.
*/
#define __HAL_HSEM_GET_FLAG(__SEM_MASK__) ((__SEM_MASK__) & HSEM->ISR)
/**
* @brief Clears the HSEM Interrupt flags.
* @param __SEM_MASK__: semaphores Mask
* @retval None.
*/
#define __HAL_HSEM_CLEAR_FLAG(__SEM_MASK__) (HSEM->ICR |= (__SEM_MASK__))
/**
* @}
*/
/* Exported functions --------------------------------------------------------*/
/** @defgroup HSEM_Exported_Functions HSEM Exported Functions
* @{
*/
/** @addtogroup HSEM_Exported_Functions_Group1 Take and Release functions
* @brief HSEM Take and Release functions
* @{
*/
/* HSEM semaphore take (lock) using 2-Step method ****************************/
HAL_StatusTypeDef HAL_HSEM_Take(uint32_t SemID, uint32_t ProcessID);
/* HSEM semaphore fast take (lock) using 1-Step method ***********************/
HAL_StatusTypeDef HAL_HSEM_FastTake(uint32_t SemID);
/* HSEM Check semaphore state Taken or not **********************************/
uint32_t HAL_HSEM_IsSemTaken(uint32_t SemID);
/* HSEM Release **************************************************************/
void HAL_HSEM_Release(uint32_t SemID, uint32_t ProcessID);
/* HSEM Release All************************************************************/
void HAL_HSEM_ReleaseAll(uint32_t Key, uint32_t MasterID);
/**
* @}
*/
/** @addtogroup HSEM_Exported_Functions_Group2 HSEM Set and Get Key functions
* @brief HSEM Set and Get Key functions.
* @{
*/
/* HSEM Set Clear Key *********************************************************/
void HAL_HSEM_SetClearKey(uint32_t Key);
/* HSEM Get Clear Key *********************************************************/
uint32_t HAL_HSEM_GetClearKey(void);
/**
* @}
*/
/** @addtogroup HSEM_Exported_Functions_Group3
* @brief HSEM Notification functions
* @{
*/
/* HSEM Activate HSEM Notification (When a semaphore is released) ) *****************/
void HAL_HSEM_ActivateNotification(uint32_t SemMask);
/* HSEM Deactivate HSEM Notification (When a semaphore is released) ****************/
void HAL_HSEM_DeactivateNotification(uint32_t SemMask);
/* HSEM Free Callback (When a semaphore is released) *******************************/
void HAL_HSEM_FreeCallback(uint32_t SemMask);
/* HSEM IRQ Handler **********************************************************/
void HAL_HSEM_IRQHandler(void);
/**
* @}
*/
/**
* @}
*/
/* Private types -------------------------------------------------------------*/
/** @defgroup HSEM_Private_Types HSEM Private Types
* @{
*/
/**
* @}
*/
/* Private variables ---------------------------------------------------------*/
/** @defgroup HSEM_Private_Variables HSEM Private Variables
* @{
*/
/**
* @}
*/
/* Private constants ---------------------------------------------------------*/
/** @defgroup HSEM_Private_Constants HSEM Private Constants
* @{
*/
/**
* @}
*/
/* Private macros ------------------------------------------------------------*/
/** @defgroup HSEM_Private_Macros HSEM Private Macros
* @{
*/
#define IS_HSEM_SEMID(__SEMID__) ((__SEMID__) <= HSEM_SEMID_MAX )
#define IS_HSEM_PROCESSID(__PROCESSID__) ((__PROCESSID__) <= HSEM_PROCESSID_MAX )
#define IS_HSEM_KEY(__KEY__) ((__KEY__) <= HSEM_CLEAR_KEY_MAX )
#define IS_HSEM_MASTERID(__MASTERID__) (((__MASTERID__) == HSEM_CM7_MASTERID))
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /* __STM32H7xx_HAL_HSEM_H */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/