299 lines
		
	
	
		
			9.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			299 lines
		
	
	
		
			9.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /**
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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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| 
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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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| 
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| #ifdef __cplusplus
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| extern "C" {
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| #endif
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| 
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| /* Includes ------------------------------------------------------------------*/
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| #include "stm32f7xx_hal_def.h"
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| 
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| /** @addtogroup STM32F7xx_HAL_Driver
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|   * @{
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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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| 
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| /* Exported types ------------------------------------------------------------*/
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| 
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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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| /**
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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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| 
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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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| 
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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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| 
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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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| 
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| } WWDG_InitTypeDef;
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| 
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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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| 
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|   WWDG_InitTypeDef  Init;       /*!< WWDG required parameters */
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| 
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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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| 
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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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| 
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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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| /**
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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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| 
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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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| 
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| /* Exported constants --------------------------------------------------------*/
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| 
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| /** @defgroup WWDG_Exported_Constants WWDG Exported Constants
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|   * @{
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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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| 
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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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| 
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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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| 
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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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|   */
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| 
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| /* Private macros ------------------------------------------------------------*/
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| 
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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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| 
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| #define IS_WWDG_WINDOW(__WINDOW__)          (((__WINDOW__) >= WWDG_CFR_W_6) && ((__WINDOW__) <= WWDG_CFR_W))
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| 
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| #define IS_WWDG_COUNTER(__COUNTER__)        (((__COUNTER__) >= WWDG_CR_T_6) && ((__COUNTER__) <= WWDG_CR_T))
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| 
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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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| 
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| 
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| /* Exported macros ------------------------------------------------------------*/
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| 
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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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| /**
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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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| /**
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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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| /**
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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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| 
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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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| /**
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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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| /**
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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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| 
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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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|   */
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| 
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| /* Exported functions --------------------------------------------------------*/
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| 
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| /** @addtogroup WWDG_Exported_Functions
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|   * @{
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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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|   */
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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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| /**
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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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| 
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| #endif /* STM32F7xx_HAL_WWDG_H */
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