stm32h7xx_hal_wwdg.h

Go to the documentation of this file.

 
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef STM32H7xx_HAL_WWDG_H
#define STM32H7xx_HAL_WWDG_H
 
#ifdef __cplusplus
extern "C" {
#endif
 
/* Includes ------------------------------------------------------------------*/
#include "stm32h7xx_hal_def.h"
 
/* Exported types ------------------------------------------------------------*/
 
typedef struct
{
  uint32_t Prescaler;     
  uint32_t Window;        
  uint32_t Counter;       
  uint32_t EWIMode ;      
} WWDG_InitTypeDef;
 
#if (USE_HAL_WWDG_REGISTER_CALLBACKS == 1)
typedef struct __WWDG_HandleTypeDef
#else
typedef struct
#endif /* USE_HAL_WWDG_REGISTER_CALLBACKS */
{
  WWDG_TypeDef      *Instance;  
  WWDG_InitTypeDef  Init;       
#if (USE_HAL_WWDG_REGISTER_CALLBACKS == 1)
  void (* EwiCallback)(struct __WWDG_HandleTypeDef *hwwdg);                  
  void (* MspInitCallback)(struct __WWDG_HandleTypeDef *hwwdg);              
#endif /* USE_HAL_WWDG_REGISTER_CALLBACKS */
} WWDG_HandleTypeDef;
 
#if (USE_HAL_WWDG_REGISTER_CALLBACKS == 1)
typedef enum
{
  HAL_WWDG_EWI_CB_ID          = 0x00U,    
  HAL_WWDG_MSPINIT_CB_ID      = 0x01U,    
} HAL_WWDG_CallbackIDTypeDef;
 
typedef void (*pWWDG_CallbackTypeDef)(WWDG_HandleTypeDef *hppp);  
#endif /* USE_HAL_WWDG_REGISTER_CALLBACKS */
/* Exported constants --------------------------------------------------------*/
 
#define WWDG_IT_EWI                         WWDG_CFR_EWI  
#define WWDG_FLAG_EWIF                      WWDG_SR_EWIF  
#define WWDG_PRESCALER_1                    0x00000000u                              
#define WWDG_PRESCALER_2                    WWDG_CFR_WDGTB_0                         
#define WWDG_PRESCALER_4                    WWDG_CFR_WDGTB_1                         
#define WWDG_PRESCALER_8                    (WWDG_CFR_WDGTB_1 | WWDG_CFR_WDGTB_0)    
#define WWDG_PRESCALER_16                   WWDG_CFR_WDGTB_2                         
#define WWDG_PRESCALER_32                   (WWDG_CFR_WDGTB_2 | WWDG_CFR_WDGTB_0)    
#define WWDG_PRESCALER_64                   (WWDG_CFR_WDGTB_2 | WWDG_CFR_WDGTB_1)    
#define WWDG_PRESCALER_128                  WWDG_CFR_WDGTB                           
#define WWDG_EWI_DISABLE                    0x00000000u       
#define WWDG_EWI_ENABLE                     WWDG_CFR_EWI      
/* Private macros ------------------------------------------------------------*/
 
#define IS_WWDG_PRESCALER(__PRESCALER__)    (((__PRESCALER__) == WWDG_PRESCALER_1)  || \
                                             ((__PRESCALER__) == WWDG_PRESCALER_2)  || \
                                             ((__PRESCALER__) == WWDG_PRESCALER_4)  || \
                                             ((__PRESCALER__) == WWDG_PRESCALER_8)  || \
                                             ((__PRESCALER__) == WWDG_PRESCALER_16) || \
                                             ((__PRESCALER__) == WWDG_PRESCALER_32) || \
                                             ((__PRESCALER__) == WWDG_PRESCALER_64) || \
                                             ((__PRESCALER__) == WWDG_PRESCALER_128))
 
#define IS_WWDG_WINDOW(__WINDOW__)          (((__WINDOW__) >= WWDG_CFR_W_6) && ((__WINDOW__) <= WWDG_CFR_W))
 
#define IS_WWDG_COUNTER(__COUNTER__)        (((__COUNTER__) >= WWDG_CR_T_6) && ((__COUNTER__) <= WWDG_CR_T))
 
#define IS_WWDG_EWI_MODE(__MODE__)          (((__MODE__) == WWDG_EWI_ENABLE) || \
                                             ((__MODE__) == WWDG_EWI_DISABLE))
/* Exported macros ------------------------------------------------------------*/
 
#define __HAL_WWDG_ENABLE(__HANDLE__)                         SET_BIT((__HANDLE__)->Instance->CR, WWDG_CR_WDGA)
 
#define __HAL_WWDG_ENABLE_IT(__HANDLE__, __INTERRUPT__)       SET_BIT((__HANDLE__)->Instance->CFR, (__INTERRUPT__))
 
#define __HAL_WWDG_GET_IT(__HANDLE__, __INTERRUPT__)        __HAL_WWDG_GET_FLAG((__HANDLE__),(__INTERRUPT__))
 
#define __HAL_WWDG_CLEAR_IT(__HANDLE__, __INTERRUPT__)      __HAL_WWDG_CLEAR_FLAG((__HANDLE__), (__INTERRUPT__))
 
#define __HAL_WWDG_GET_FLAG(__HANDLE__, __FLAG__)           (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__))
 
#define __HAL_WWDG_CLEAR_FLAG(__HANDLE__, __FLAG__)         ((__HANDLE__)->Instance->SR = ~(__FLAG__))
 
#define __HAL_WWDG_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->CFR\
                                                              & (__INTERRUPT__)) == (__INTERRUPT__))
 
/* Exported functions --------------------------------------------------------*/
 
/* Initialization/de-initialization functions  **********************************/
HAL_StatusTypeDef     HAL_WWDG_Init(WWDG_HandleTypeDef *hwwdg);
void                  HAL_WWDG_MspInit(WWDG_HandleTypeDef *hwwdg);
/* Callbacks Register/UnRegister functions  ***********************************/
#if (USE_HAL_WWDG_REGISTER_CALLBACKS == 1)
HAL_StatusTypeDef     HAL_WWDG_RegisterCallback(WWDG_HandleTypeDef *hwwdg, HAL_WWDG_CallbackIDTypeDef CallbackID,
                                                pWWDG_CallbackTypeDef pCallback);
HAL_StatusTypeDef     HAL_WWDG_UnRegisterCallback(WWDG_HandleTypeDef *hwwdg, HAL_WWDG_CallbackIDTypeDef CallbackID);
#endif /* USE_HAL_WWDG_REGISTER_CALLBACKS */
 
/* I/O operation functions ******************************************************/
HAL_StatusTypeDef     HAL_WWDG_Refresh(WWDG_HandleTypeDef *hwwdg);
void                  HAL_WWDG_IRQHandler(WWDG_HandleTypeDef *hwwdg);
void                  HAL_WWDG_EarlyWakeupCallback(WWDG_HandleTypeDef *hwwdg);
#ifdef __cplusplus
}
#endif
 
#endif /* STM32H7xx_HAL_WWDG_H */