STM32L4xx_HAL_Driver  1.14.0
stm32l4xx_hal_wwdg.h
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1 
20 /* Define to prevent recursive inclusion -------------------------------------*/
21 #ifndef STM32L4xx_HAL_WWDG_H
22 #define STM32L4xx_HAL_WWDG_H
23 
24 #ifdef __cplusplus
25  extern "C" {
26 #endif
27 
28 /* Includes ------------------------------------------------------------------*/
29 #include "stm32l4xx_hal_def.h"
30 
39 /* Exported types ------------------------------------------------------------*/
40 
48 typedef struct
49 {
50  uint32_t Prescaler;
53  uint32_t Window;
56  uint32_t Counter;
59  uint32_t EWIMode ;
62 } WWDG_InitTypeDef;
63 
67 typedef struct __WWDG_HandleTypeDef
68 {
69  WWDG_TypeDef *Instance;
71  WWDG_InitTypeDef Init;
73 #if (USE_HAL_WWDG_REGISTER_CALLBACKS == 1)
74  void (* EwiCallback)(struct __WWDG_HandleTypeDef *hwwdg);
76  void (* MspInitCallback)(struct __WWDG_HandleTypeDef *hwwdg);
77 #endif
79 
80 #if (USE_HAL_WWDG_REGISTER_CALLBACKS == 1)
81 
84 typedef enum
85 {
89 
93 typedef void (*pWWDG_CallbackTypeDef)(WWDG_HandleTypeDef * hppp);
95 #endif
96 
100 /* Exported constants --------------------------------------------------------*/
101 
109 #define WWDG_IT_EWI WWDG_CFR_EWI
118 #define WWDG_FLAG_EWIF WWDG_SR_EWIF
126 #define WWDG_PRESCALER_1 0x00000000u
127 #define WWDG_PRESCALER_2 WWDG_CFR_WDGTB_0
128 #define WWDG_PRESCALER_4 WWDG_CFR_WDGTB_1
129 #define WWDG_PRESCALER_8 (WWDG_CFR_WDGTB_1 | WWDG_CFR_WDGTB_0)
137 #define WWDG_EWI_DISABLE 0x00000000u
138 #define WWDG_EWI_ENABLE WWDG_CFR_EWI
147 /* Private macros ------------------------------------------------------------*/
148 
152 #define IS_WWDG_PRESCALER(__PRESCALER__) (((__PRESCALER__) == WWDG_PRESCALER_1) || \
153  ((__PRESCALER__) == WWDG_PRESCALER_2) || \
154  ((__PRESCALER__) == WWDG_PRESCALER_4) || \
155  ((__PRESCALER__) == WWDG_PRESCALER_8))
156 
157 #define IS_WWDG_WINDOW(__WINDOW__) (((__WINDOW__) >= WWDG_CFR_W_6) && ((__WINDOW__) <= WWDG_CFR_W))
158 
159 #define IS_WWDG_COUNTER(__COUNTER__) (((__COUNTER__) >= WWDG_CR_T_6) && ((__COUNTER__) <= WWDG_CR_T))
160 
161 #define IS_WWDG_EWI_MODE(__MODE__) (((__MODE__) == WWDG_EWI_ENABLE) || \
162  ((__MODE__) == WWDG_EWI_DISABLE))
163 
168 /* Exported macros ------------------------------------------------------------*/
169 
179 #define __HAL_WWDG_ENABLE(__HANDLE__) SET_BIT((__HANDLE__)->Instance->CR, WWDG_CR_WDGA)
180 
190 #define __HAL_WWDG_ENABLE_IT(__HANDLE__, __INTERRUPT__) SET_BIT((__HANDLE__)->Instance->CFR, (__INTERRUPT__))
191 
200 #define __HAL_WWDG_GET_IT(__HANDLE__, __INTERRUPT__) __HAL_WWDG_GET_FLAG((__HANDLE__),(__INTERRUPT__))
201 
209 #define __HAL_WWDG_CLEAR_IT(__HANDLE__, __INTERRUPT__) __HAL_WWDG_CLEAR_FLAG((__HANDLE__), (__INTERRUPT__))
210 
219 #define __HAL_WWDG_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__))
220 
229 #define __HAL_WWDG_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->SR = ~(__FLAG__))
230 
238 #define __HAL_WWDG_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->CFR & (__INTERRUPT__)) == (__INTERRUPT__))
239 
244 /* Exported functions --------------------------------------------------------*/
245 
253 /* Initialization/de-initialization functions **********************************/
254 HAL_StatusTypeDef HAL_WWDG_Init(WWDG_HandleTypeDef *hwwdg);
256 /* Callbacks Register/UnRegister functions ***********************************/
257 #if (USE_HAL_WWDG_REGISTER_CALLBACKS == 1)
258 HAL_StatusTypeDef HAL_WWDG_RegisterCallback(WWDG_HandleTypeDef *hwwdg, HAL_WWDG_CallbackIDTypeDef CallbackID, pWWDG_CallbackTypeDef pCallback);
259 HAL_StatusTypeDef HAL_WWDG_UnRegisterCallback(WWDG_HandleTypeDef *hwwdg, HAL_WWDG_CallbackIDTypeDef CallbackID);
260 #endif
261 
269 /* I/O operation functions ******************************************************/
270 HAL_StatusTypeDef HAL_WWDG_Refresh(WWDG_HandleTypeDef *hwwdg);
289 #ifdef __cplusplus
290 }
291 #endif
292 
293 #endif /* STM32L4xx_HAL_WWDG_H */
294 
295 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
void HAL_WWDG_MspInit(WWDG_HandleTypeDef *hwwdg)
Initialize the WWDG MSP.
void(* MspInitCallback)(struct __WWDG_HandleTypeDef *hwwdg)
This file contains HAL common defines, enumeration, macros and structures definitions.
HAL_WWDG_CallbackIDTypeDef
HAL WWDG common Callback ID enumeration definition.
void HAL_WWDG_IRQHandler(WWDG_HandleTypeDef *hwwdg)
Handle WWDG interrupt request.
HAL_StatusTypeDef HAL_WWDG_Init(WWDG_HandleTypeDef *hwwdg)
Initialize the WWDG according to the specified. parameters in the WWDG_InitTypeDef of associated hand...
WWDG_InitTypeDef Init
void(* EwiCallback)(struct __WWDG_HandleTypeDef *hwwdg)
void(* pWWDG_CallbackTypeDef)(WWDG_HandleTypeDef *hppp)
HAL WWDG Callback pointer definition.
struct __WWDG_HandleTypeDef WWDG_HandleTypeDef
WWDG handle Structure definition.
HAL_StatusTypeDef HAL_WWDG_Refresh(WWDG_HandleTypeDef *hwwdg)
Refresh the WWDG.
void HAL_WWDG_EarlyWakeupCallback(WWDG_HandleTypeDef *hwwdg)
WWDG Early Wakeup callback.
HAL_StatusTypeDef HAL_WWDG_RegisterCallback(WWDG_HandleTypeDef *hwwdg, HAL_WWDG_CallbackIDTypeDef CallbackID, pWWDG_CallbackTypeDef pCallback)
Register a User WWDG Callback To be used instead of the weak (surcharged) predefined callback...
HAL_StatusTypeDef HAL_WWDG_UnRegisterCallback(WWDG_HandleTypeDef *hwwdg, HAL_WWDG_CallbackIDTypeDef CallbackID)
Unregister a WWDG Callback WWDG Callback is redirected to the weak (surcharged) predefined callback...
WWDG handle Structure definition.