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Julien Chevalley
298
Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_wwdg.h
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298
Drivers/STM32F7xx_HAL_Driver/Inc/stm32f7xx_hal_wwdg.h
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/**
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******************************************************************************
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* @file stm32f7xx_hal_wwdg.h
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* @author MCD Application Team
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* @brief Header file of WWDG 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 STM32F7xx_HAL_WWDG_H
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#define STM32F7xx_HAL_WWDG_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 "stm32f7xx_hal_def.h"
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/** @addtogroup STM32F7xx_HAL_Driver
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* @{
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*/
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/** @addtogroup WWDG
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* @{
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*/
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/* Exported types ------------------------------------------------------------*/
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/** @defgroup WWDG_Exported_Types WWDG Exported Types
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* @{
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*/
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/**
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* @brief WWDG Init structure definition
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*/
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typedef struct
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{
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uint32_t Prescaler; /*!< Specifies the prescaler value of the WWDG.
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This parameter can be a value of @ref WWDG_Prescaler */
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uint32_t Window; /*!< Specifies the WWDG window value to be compared to the downcounter.
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This parameter must be a number Min_Data = 0x40 and Max_Data = 0x7F */
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uint32_t Counter; /*!< Specifies the WWDG free-running downcounter value.
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This parameter must be a number between Min_Data = 0x40 and Max_Data = 0x7F */
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uint32_t EWIMode ; /*!< Specifies if WWDG Early Wakeup Interrupt is enable or not.
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This parameter can be a value of @ref WWDG_EWI_Mode */
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} WWDG_InitTypeDef;
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/**
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* @brief WWDG handle Structure definition
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*/
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#if (USE_HAL_WWDG_REGISTER_CALLBACKS == 1)
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typedef struct __WWDG_HandleTypeDef
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#else
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typedef struct
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#endif /* USE_HAL_WWDG_REGISTER_CALLBACKS */
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{
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WWDG_TypeDef *Instance; /*!< Register base address */
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WWDG_InitTypeDef Init; /*!< WWDG required parameters */
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#if (USE_HAL_WWDG_REGISTER_CALLBACKS == 1)
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void (* EwiCallback)(struct __WWDG_HandleTypeDef *hwwdg); /*!< WWDG Early WakeUp Interrupt callback */
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void (* MspInitCallback)(struct __WWDG_HandleTypeDef *hwwdg); /*!< WWDG Msp Init callback */
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#endif /* USE_HAL_WWDG_REGISTER_CALLBACKS */
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} WWDG_HandleTypeDef;
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#if (USE_HAL_WWDG_REGISTER_CALLBACKS == 1)
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/**
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* @brief HAL WWDG common Callback ID enumeration definition
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*/
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typedef enum
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{
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HAL_WWDG_EWI_CB_ID = 0x00U, /*!< WWDG EWI callback ID */
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HAL_WWDG_MSPINIT_CB_ID = 0x01U, /*!< WWDG MspInit callback ID */
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} HAL_WWDG_CallbackIDTypeDef;
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/**
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* @brief HAL WWDG Callback pointer definition
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*/
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typedef void (*pWWDG_CallbackTypeDef)(WWDG_HandleTypeDef *hppp); /*!< pointer to a WWDG common callback functions */
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#endif /* USE_HAL_WWDG_REGISTER_CALLBACKS */
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/**
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* @}
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*/
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/* Exported constants --------------------------------------------------------*/
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/** @defgroup WWDG_Exported_Constants WWDG Exported Constants
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* @{
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*/
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/** @defgroup WWDG_Interrupt_definition WWDG Interrupt definition
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* @{
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*/
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#define WWDG_IT_EWI WWDG_CFR_EWI /*!< Early wakeup interrupt */
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/**
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* @}
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*/
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/** @defgroup WWDG_Flag_definition WWDG Flag definition
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* @brief WWDG Flag definition
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* @{
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*/
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#define WWDG_FLAG_EWIF WWDG_SR_EWIF /*!< Early wakeup interrupt flag */
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/**
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* @}
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*/
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/** @defgroup WWDG_Prescaler WWDG Prescaler
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* @{
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*/
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#define WWDG_PRESCALER_1 0x00000000u /*!< WWDG counter clock = (PCLK1/4096)/1 */
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#define WWDG_PRESCALER_2 WWDG_CFR_WDGTB_0 /*!< WWDG counter clock = (PCLK1/4096)/2 */
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#define WWDG_PRESCALER_4 WWDG_CFR_WDGTB_1 /*!< WWDG counter clock = (PCLK1/4096)/4 */
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#define WWDG_PRESCALER_8 (WWDG_CFR_WDGTB_1 | WWDG_CFR_WDGTB_0) /*!< WWDG counter clock = (PCLK1/4096)/8 */
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/**
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* @}
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*/
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/** @defgroup WWDG_EWI_Mode WWDG Early Wakeup Interrupt Mode
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* @{
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*/
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#define WWDG_EWI_DISABLE 0x00000000u /*!< EWI Disable */
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#define WWDG_EWI_ENABLE WWDG_CFR_EWI /*!< EWI Enable */
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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 WWDG_Private_Macros WWDG Private Macros
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* @{
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*/
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#define IS_WWDG_PRESCALER(__PRESCALER__) (((__PRESCALER__) == WWDG_PRESCALER_1) || \
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((__PRESCALER__) == WWDG_PRESCALER_2) || \
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((__PRESCALER__) == WWDG_PRESCALER_4) || \
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((__PRESCALER__) == WWDG_PRESCALER_8))
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#define IS_WWDG_WINDOW(__WINDOW__) (((__WINDOW__) >= WWDG_CFR_W_6) && ((__WINDOW__) <= WWDG_CFR_W))
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#define IS_WWDG_COUNTER(__COUNTER__) (((__COUNTER__) >= WWDG_CR_T_6) && ((__COUNTER__) <= WWDG_CR_T))
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#define IS_WWDG_EWI_MODE(__MODE__) (((__MODE__) == WWDG_EWI_ENABLE) || \
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((__MODE__) == WWDG_EWI_DISABLE))
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/**
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* @}
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*/
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/* Exported macros ------------------------------------------------------------*/
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/** @defgroup WWDG_Exported_Macros WWDG Exported Macros
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* @{
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*/
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/**
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* @brief Enable the WWDG peripheral.
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* @param __HANDLE__ WWDG handle
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* @retval None
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*/
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#define __HAL_WWDG_ENABLE(__HANDLE__) SET_BIT((__HANDLE__)->Instance->CR, WWDG_CR_WDGA)
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/**
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* @brief Enable the WWDG early wakeup interrupt.
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* @param __HANDLE__ WWDG handle
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* @param __INTERRUPT__ specifies the interrupt to enable.
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* This parameter can be one of the following values:
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* @arg WWDG_IT_EWI: Early wakeup interrupt
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* @note Once enabled this interrupt cannot be disabled except by a system reset.
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* @retval None
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*/
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#define __HAL_WWDG_ENABLE_IT(__HANDLE__, __INTERRUPT__) SET_BIT((__HANDLE__)->Instance->CFR, (__INTERRUPT__))
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/**
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* @brief Check whether the selected WWDG interrupt has occurred or not.
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* @param __HANDLE__ WWDG handle
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* @param __INTERRUPT__ specifies the it to check.
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* This parameter can be one of the following values:
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* @arg WWDG_FLAG_EWIF: Early wakeup interrupt IT
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* @retval The new state of WWDG_FLAG (SET or RESET).
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*/
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#define __HAL_WWDG_GET_IT(__HANDLE__, __INTERRUPT__) __HAL_WWDG_GET_FLAG((__HANDLE__),(__INTERRUPT__))
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/** @brief Clear the WWDG interrupt pending bits.
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* bits to clear the selected interrupt pending bits.
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* @param __HANDLE__ WWDG handle
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* @param __INTERRUPT__ specifies the interrupt pending bit to clear.
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* This parameter can be one of the following values:
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* @arg WWDG_FLAG_EWIF: Early wakeup interrupt flag
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*/
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#define __HAL_WWDG_CLEAR_IT(__HANDLE__, __INTERRUPT__) __HAL_WWDG_CLEAR_FLAG((__HANDLE__), (__INTERRUPT__))
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/**
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* @brief Check whether the specified WWDG flag is set or not.
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* @param __HANDLE__ WWDG handle
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* @param __FLAG__ specifies the flag to check.
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* This parameter can be one of the following values:
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* @arg WWDG_FLAG_EWIF: Early wakeup interrupt flag
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* @retval The new state of WWDG_FLAG (SET or RESET).
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*/
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#define __HAL_WWDG_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__))
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/**
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* @brief Clear the WWDG's pending flags.
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* @param __HANDLE__ WWDG handle
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* @param __FLAG__ specifies the flag to clear.
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* This parameter can be one of the following values:
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* @arg WWDG_FLAG_EWIF: Early wakeup interrupt flag
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* @retval None
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*/
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#define __HAL_WWDG_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->SR = ~(__FLAG__))
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/** @brief Check whether the specified WWDG interrupt source is enabled or not.
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* @param __HANDLE__ WWDG Handle.
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* @param __INTERRUPT__ specifies the WWDG interrupt source to check.
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* This parameter can be one of the following values:
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* @arg WWDG_IT_EWI: Early Wakeup Interrupt
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* @retval state of __INTERRUPT__ (TRUE or FALSE).
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*/
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#define __HAL_WWDG_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->CFR\
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& (__INTERRUPT__)) == (__INTERRUPT__))
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/**
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* @}
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*/
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/* Exported functions --------------------------------------------------------*/
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/** @addtogroup WWDG_Exported_Functions
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* @{
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*/
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/** @addtogroup WWDG_Exported_Functions_Group1
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* @{
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*/
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/* Initialization/de-initialization functions **********************************/
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HAL_StatusTypeDef HAL_WWDG_Init(WWDG_HandleTypeDef *hwwdg);
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void HAL_WWDG_MspInit(WWDG_HandleTypeDef *hwwdg);
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/* Callbacks Register/UnRegister functions ***********************************/
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#if (USE_HAL_WWDG_REGISTER_CALLBACKS == 1)
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HAL_StatusTypeDef HAL_WWDG_RegisterCallback(WWDG_HandleTypeDef *hwwdg, HAL_WWDG_CallbackIDTypeDef CallbackID,
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pWWDG_CallbackTypeDef pCallback);
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HAL_StatusTypeDef HAL_WWDG_UnRegisterCallback(WWDG_HandleTypeDef *hwwdg, HAL_WWDG_CallbackIDTypeDef CallbackID);
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#endif /* USE_HAL_WWDG_REGISTER_CALLBACKS */
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/**
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* @}
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*/
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/** @addtogroup WWDG_Exported_Functions_Group2
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* @{
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*/
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/* I/O operation functions ******************************************************/
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HAL_StatusTypeDef HAL_WWDG_Refresh(WWDG_HandleTypeDef *hwwdg);
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void HAL_WWDG_IRQHandler(WWDG_HandleTypeDef *hwwdg);
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void HAL_WWDG_EarlyWakeupCallback(WWDG_HandleTypeDef *hwwdg);
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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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/**
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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 /* STM32F7xx_HAL_WWDG_H */
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