1 /**
2   ******************************************************************************
3   * @file    stm32h7rsxx_hal_wwdg.h
4   * @author  MCD Application Team
5   * @brief   Header file of WWDG HAL module.
6   ******************************************************************************
7   * @attention
8   *
9   * Copyright (c) 2022 STMicroelectronics.
10   * All rights reserved.
11   *
12   * This software is licensed under terms that can be found in the LICENSE file
13   * in the root directory of this software component.
14   * If no LICENSE file comes with this software, it is provided AS-IS.
15   *
16   ******************************************************************************
17   */
18 
19 /* Define to prevent recursive inclusion -------------------------------------*/
20 #ifndef STM32H7RSxx_HAL_WWDG_H
21 #define STM32H7RSxx_HAL_WWDG_H
22 
23 #ifdef __cplusplus
24 extern "C" {
25 #endif
26 
27 /* Includes ------------------------------------------------------------------*/
28 #include "stm32h7rsxx_hal_def.h"
29 
30 /** @addtogroup STM32H7RSxx_HAL_Driver
31   * @{
32   */
33 
34 /** @addtogroup WWDG
35   * @{
36   */
37 
38 /* Exported types ------------------------------------------------------------*/
39 
40 /** @defgroup WWDG_Exported_Types WWDG Exported Types
41   * @{
42   */
43 
44 /**
45   * @brief  WWDG Init structure definition
46   */
47 typedef struct
48 {
49   uint32_t Prescaler;     /*!< Specifies the prescaler value of the WWDG.
50                                This parameter can be a value of @ref WWDG_Prescaler */
51 
52   uint32_t Window;        /*!< Specifies the WWDG window value to be compared to the downcounter.
53                                This parameter must be a number Min_Data = 0x40 and Max_Data = 0x7F */
54 
55   uint32_t Counter;       /*!< Specifies the WWDG free-running downcounter  value.
56                                This parameter must be a number between Min_Data = 0x40 and Max_Data = 0x7F */
57 
58   uint32_t EWIMode ;      /*!< Specifies if WWDG Early Wakeup Interrupt is enable or not.
59                                This parameter can be a value of @ref WWDG_EWI_Mode */
60 
61 } WWDG_InitTypeDef;
62 
63 /**
64   * @brief  WWDG handle Structure definition
65   */
66 #if (USE_HAL_WWDG_REGISTER_CALLBACKS == 1)
67 typedef struct __WWDG_HandleTypeDef
68 #else
69 typedef struct
70 #endif /* USE_HAL_WWDG_REGISTER_CALLBACKS */
71 {
72   WWDG_TypeDef      *Instance;  /*!< Register base address */
73 
74   WWDG_InitTypeDef  Init;       /*!< WWDG required parameters */
75 
76 #if (USE_HAL_WWDG_REGISTER_CALLBACKS == 1)
77   void (* EwiCallback)(struct __WWDG_HandleTypeDef *hwwdg);                  /*!< WWDG Early WakeUp Interrupt callback */
78 
79   void (* MspInitCallback)(struct __WWDG_HandleTypeDef *hwwdg);              /*!< WWDG Msp Init callback */
80 #endif /* USE_HAL_WWDG_REGISTER_CALLBACKS */
81 } WWDG_HandleTypeDef;
82 
83 #if (USE_HAL_WWDG_REGISTER_CALLBACKS == 1)
84 /**
85   * @brief  HAL WWDG common Callback ID enumeration definition
86   */
87 typedef enum
88 {
89   HAL_WWDG_EWI_CB_ID          = 0x00U,    /*!< WWDG EWI callback ID */
90   HAL_WWDG_MSPINIT_CB_ID      = 0x01U,    /*!< WWDG MspInit callback ID */
91 } HAL_WWDG_CallbackIDTypeDef;
92 
93 /**
94   * @brief  HAL WWDG Callback pointer definition
95   */
96 typedef void (*pWWDG_CallbackTypeDef)(WWDG_HandleTypeDef *hppp);  /*!< pointer to a WWDG common callback functions */
97 
98 #endif /* USE_HAL_WWDG_REGISTER_CALLBACKS */
99 /**
100   * @}
101   */
102 
103 /* Exported constants --------------------------------------------------------*/
104 
105 /** @defgroup WWDG_Exported_Constants WWDG Exported Constants
106   * @{
107   */
108 
109 /** @defgroup WWDG_Interrupt_definition WWDG Interrupt definition
110   * @{
111   */
112 #define WWDG_IT_EWI                         WWDG_CFR_EWI  /*!< Early wakeup interrupt */
113 /**
114   * @}
115   */
116 
117 /** @defgroup WWDG_Flag_definition WWDG Flag definition
118   * @brief WWDG Flag definition
119   * @{
120   */
121 #define WWDG_FLAG_EWIF                      WWDG_SR_EWIF  /*!< Early wakeup interrupt flag */
122 /**
123   * @}
124   */
125 
126 /** @defgroup WWDG_Prescaler WWDG Prescaler
127   * @{
128   */
129 #define WWDG_PRESCALER_1                    0x00000000u                              /*!< WWDG counter clock = (PCLK1/4096)/1 */
130 #define WWDG_PRESCALER_2                    WWDG_CFR_WDGTB_0                         /*!< WWDG counter clock = (PCLK1/4096)/2 */
131 #define WWDG_PRESCALER_4                    WWDG_CFR_WDGTB_1                         /*!< WWDG counter clock = (PCLK1/4096)/4 */
132 #define WWDG_PRESCALER_8                    (WWDG_CFR_WDGTB_1 | WWDG_CFR_WDGTB_0)    /*!< WWDG counter clock = (PCLK1/4096)/8 */
133 #define WWDG_PRESCALER_16                   WWDG_CFR_WDGTB_2                         /*!< WWDG counter clock = (PCLK1/4096)/16 */
134 #define WWDG_PRESCALER_32                   (WWDG_CFR_WDGTB_2 | WWDG_CFR_WDGTB_0)    /*!< WWDG counter clock = (PCLK1/4096)/32 */
135 #define WWDG_PRESCALER_64                   (WWDG_CFR_WDGTB_2 | WWDG_CFR_WDGTB_1)    /*!< WWDG counter clock = (PCLK1/4096)/64 */
136 #define WWDG_PRESCALER_128                  WWDG_CFR_WDGTB                           /*!< WWDG counter clock = (PCLK1/4096)/128 */
137 /**
138   * @}
139   */
140 
141 /** @defgroup WWDG_EWI_Mode WWDG Early Wakeup Interrupt Mode
142   * @{
143   */
144 #define WWDG_EWI_DISABLE                    0x00000000u       /*!< EWI Disable */
145 #define WWDG_EWI_ENABLE                     WWDG_CFR_EWI      /*!< EWI Enable */
146 /**
147   * @}
148   */
149 
150 /**
151   * @}
152   */
153 
154 /* Private macros ------------------------------------------------------------*/
155 
156 /** @defgroup WWDG_Private_Macros WWDG Private Macros
157   * @{
158   */
159 #define IS_WWDG_PRESCALER(__PRESCALER__)    (((__PRESCALER__) == WWDG_PRESCALER_1)  || \
160                                              ((__PRESCALER__) == WWDG_PRESCALER_2)  || \
161                                              ((__PRESCALER__) == WWDG_PRESCALER_4)  || \
162                                              ((__PRESCALER__) == WWDG_PRESCALER_8)  || \
163                                              ((__PRESCALER__) == WWDG_PRESCALER_16) || \
164                                              ((__PRESCALER__) == WWDG_PRESCALER_32) || \
165                                              ((__PRESCALER__) == WWDG_PRESCALER_64) || \
166                                              ((__PRESCALER__) == WWDG_PRESCALER_128))
167 
168 #define IS_WWDG_WINDOW(__WINDOW__)          (((__WINDOW__) >= WWDG_CFR_W_6) && ((__WINDOW__) <= WWDG_CFR_W))
169 
170 #define IS_WWDG_COUNTER(__COUNTER__)        (((__COUNTER__) >= WWDG_CR_T_6) && ((__COUNTER__) <= WWDG_CR_T))
171 
172 #define IS_WWDG_EWI_MODE(__MODE__)          (((__MODE__) == WWDG_EWI_ENABLE) || \
173                                              ((__MODE__) == WWDG_EWI_DISABLE))
174 /**
175   * @}
176   */
177 
178 
179 /* Exported macros ------------------------------------------------------------*/
180 
181 /** @defgroup WWDG_Exported_Macros WWDG Exported Macros
182   * @{
183   */
184 
185 /**
186   * @brief  Enable the WWDG peripheral.
187   * @param  __HANDLE__  WWDG handle
188   * @retval None
189   */
190 #define __HAL_WWDG_ENABLE(__HANDLE__)                         SET_BIT((__HANDLE__)->Instance->CR, WWDG_CR_WDGA)
191 
192 /**
193   * @brief  Enable the WWDG early wakeup interrupt.
194   * @param  __HANDLE__ WWDG handle
195   * @param  __INTERRUPT__  specifies the interrupt to enable.
196   *         This parameter can be one of the following values:
197   *            @arg WWDG_IT_EWI: Early wakeup interrupt
198   * @note   Once enabled this interrupt cannot be disabled except by a system reset.
199   * @retval None
200   */
201 #define __HAL_WWDG_ENABLE_IT(__HANDLE__, __INTERRUPT__)       SET_BIT((__HANDLE__)->Instance->CFR, (__INTERRUPT__))
202 
203 /**
204   * @brief  Check whether the selected WWDG interrupt has occurred or not.
205   * @param  __HANDLE__  WWDG handle
206   * @param  __INTERRUPT__  specifies the it to check.
207   *        This parameter can be one of the following values:
208   *            @arg WWDG_FLAG_EWIF: Early wakeup interrupt IT
209   * @retval The new state of WWDG_FLAG (SET or RESET).
210   */
211 #define __HAL_WWDG_GET_IT(__HANDLE__, __INTERRUPT__)        __HAL_WWDG_GET_FLAG((__HANDLE__),(__INTERRUPT__))
212 
213 /** @brief  Clear the WWDG interrupt pending bits.
214   *         bits to clear the selected interrupt pending bits.
215   * @param  __HANDLE__  WWDG handle
216   * @param  __INTERRUPT__  specifies the interrupt pending bit to clear.
217   *         This parameter can be one of the following values:
218   *            @arg WWDG_FLAG_EWIF: Early wakeup interrupt flag
219   */
220 #define __HAL_WWDG_CLEAR_IT(__HANDLE__, __INTERRUPT__)      __HAL_WWDG_CLEAR_FLAG((__HANDLE__), (__INTERRUPT__))
221 
222 /**
223   * @brief  Check whether the specified WWDG flag is set or not.
224   * @param  __HANDLE__  WWDG handle
225   * @param  __FLAG__  specifies the flag to check.
226   *         This parameter can be one of the following values:
227   *            @arg WWDG_FLAG_EWIF: Early wakeup interrupt flag
228   * @retval The new state of WWDG_FLAG (SET or RESET).
229   */
230 #define __HAL_WWDG_GET_FLAG(__HANDLE__, __FLAG__)           (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__))
231 
232 /**
233   * @brief  Clear the WWDG's pending flags.
234   * @param  __HANDLE__  WWDG handle
235   * @param  __FLAG__  specifies the flag to clear.
236   *         This parameter can be one of the following values:
237   *            @arg WWDG_FLAG_EWIF: Early wakeup interrupt flag
238   * @retval None
239   */
240 #define __HAL_WWDG_CLEAR_FLAG(__HANDLE__, __FLAG__)         ((__HANDLE__)->Instance->SR = ~(__FLAG__))
241 
242 /** @brief  Check whether the specified WWDG interrupt source is enabled or not.
243   * @param  __HANDLE__  WWDG Handle.
244   * @param  __INTERRUPT__  specifies the WWDG interrupt source to check.
245   *         This parameter can be one of the following values:
246   *            @arg WWDG_IT_EWI: Early Wakeup Interrupt
247   * @retval state of __INTERRUPT__ (TRUE or FALSE).
248   */
249 #define __HAL_WWDG_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->CFR\
250                                                               & (__INTERRUPT__)) == (__INTERRUPT__))
251 
252 /**
253   * @}
254   */
255 
256 /* Exported functions --------------------------------------------------------*/
257 
258 /** @addtogroup WWDG_Exported_Functions
259   * @{
260   */
261 
262 /** @addtogroup WWDG_Exported_Functions_Group1
263   * @{
264   */
265 /* Initialization/de-initialization functions  **********************************/
266 HAL_StatusTypeDef     HAL_WWDG_Init(WWDG_HandleTypeDef *hwwdg);
267 void                  HAL_WWDG_MspInit(WWDG_HandleTypeDef *hwwdg);
268 /* Callbacks Register/UnRegister functions  ***********************************/
269 #if (USE_HAL_WWDG_REGISTER_CALLBACKS == 1)
270 HAL_StatusTypeDef     HAL_WWDG_RegisterCallback(WWDG_HandleTypeDef *hwwdg, HAL_WWDG_CallbackIDTypeDef CallbackID,
271                                                 pWWDG_CallbackTypeDef pCallback);
272 HAL_StatusTypeDef     HAL_WWDG_UnRegisterCallback(WWDG_HandleTypeDef *hwwdg, HAL_WWDG_CallbackIDTypeDef CallbackID);
273 #endif /* USE_HAL_WWDG_REGISTER_CALLBACKS */
274 
275 /**
276   * @}
277   */
278 
279 /** @addtogroup WWDG_Exported_Functions_Group2
280   * @{
281   */
282 /* I/O operation functions ******************************************************/
283 HAL_StatusTypeDef     HAL_WWDG_Refresh(WWDG_HandleTypeDef *hwwdg);
284 void                  HAL_WWDG_IRQHandler(WWDG_HandleTypeDef *hwwdg);
285 void                  HAL_WWDG_EarlyWakeupCallback(WWDG_HandleTypeDef *hwwdg);
286 /**
287   * @}
288   */
289 
290 /**
291   * @}
292   */
293 
294 /**
295   * @}
296   */
297 
298 /**
299   * @}
300   */
301 
302 #ifdef __cplusplus
303 }
304 #endif
305 
306 #endif /* STM32H7RSxx_HAL_WWDG_H */
307 
308