1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
|
/**
******************************************************************************
* @file stm32f0xx_hal_wwdg.h
* @author MCD Application Team
* @brief Header file of WWDG HAL module.
******************************************************************************
* @attention
*
* <h2><center>© Copyright (c) 2016 STMicroelectronics.
* All rights reserved.</center></h2>
*
* This software component is licensed by ST under BSD 3-Clause license,
* the "License"; You may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
* opensource.org/licenses/BSD-3-Clause
*
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef STM32F0xx_HAL_WWDG_H
#define STM32F0xx_HAL_WWDG_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32f0xx_hal_def.h"
/** @addtogroup STM32F0xx_HAL_Driver
* @{
*/
/** @addtogroup WWDG
* @{
*/
/* Exported types ------------------------------------------------------------*/
/** @defgroup WWDG_Exported_Types WWDG Exported Types
* @{
*/
/**
* @brief WWDG Init structure definition
*/
typedef struct
{
uint32_t Prescaler; /*!< Specifies the prescaler value of the WWDG.
This parameter can be a value of @ref WWDG_Prescaler */
uint32_t Window; /*!< Specifies the WWDG window value to be compared to the downcounter.
This parameter must be a number Min_Data = 0x40 and Max_Data = 0x7F */
uint32_t Counter; /*!< Specifies the WWDG free-running downcounter value.
This parameter must be a number between Min_Data = 0x40 and Max_Data = 0x7F */
uint32_t EWIMode ; /*!< Specifies if WWDG Early Wakeup Interupt is enable or not.
This parameter can be a value of @ref WWDG_EWI_Mode */
} WWDG_InitTypeDef;
/**
* @brief WWDG handle Structure definition
*/
#if (USE_HAL_WWDG_REGISTER_CALLBACKS == 1)
typedef struct __WWDG_HandleTypeDef
#else
typedef struct
#endif
{
WWDG_TypeDef *Instance; /*!< Register base address */
WWDG_InitTypeDef Init; /*!< WWDG required parameters */
#if (USE_HAL_WWDG_REGISTER_CALLBACKS == 1)
void (* EwiCallback)(struct __WWDG_HandleTypeDef *hwwdg); /*!< WWDG Early WakeUp Interrupt callback */
void (* MspInitCallback)(struct __WWDG_HandleTypeDef *hwwdg); /*!< WWDG Msp Init callback */
#endif
} WWDG_HandleTypeDef;
#if (USE_HAL_WWDG_REGISTER_CALLBACKS == 1)
/**
* @brief HAL WWDG common Callback ID enumeration definition
*/
typedef enum
{
HAL_WWDG_EWI_CB_ID = 0x00u, /*!< WWDG EWI callback ID */
HAL_WWDG_MSPINIT_CB_ID = 0x01u, /*!< WWDG MspInit callback ID */
} HAL_WWDG_CallbackIDTypeDef;
/**
* @brief HAL WWDG Callback pointer definition
*/
typedef void (*pWWDG_CallbackTypeDef)(WWDG_HandleTypeDef *hppp); /*!< pointer to a WWDG common callback functions */
#endif
/**
* @}
*/
/* Exported constants --------------------------------------------------------*/
/** @defgroup WWDG_Exported_Constants WWDG Exported Constants
* @{
*/
/** @defgroup WWDG_Interrupt_definition WWDG Interrupt definition
* @{
*/
#define WWDG_IT_EWI WWDG_CFR_EWI /*!< Early wakeup interrupt */
/**
* @}
*/
/** @defgroup WWDG_Flag_definition WWDG Flag definition
* @brief WWDG Flag definition
* @{
*/
#define WWDG_FLAG_EWIF WWDG_SR_EWIF /*!< Early wakeup interrupt flag */
/**
* @}
*/
/** @defgroup WWDG_Prescaler WWDG Prescaler
* @{
*/
#define WWDG_PRESCALER_1 0x00000000u /*!< WWDG counter clock = (PCLK1/4096)/1 */
#define WWDG_PRESCALER_2 WWDG_CFR_WDGTB_0 /*!< WWDG counter clock = (PCLK1/4096)/2 */
#define WWDG_PRESCALER_4 WWDG_CFR_WDGTB_1 /*!< WWDG counter clock = (PCLK1/4096)/4 */
#define WWDG_PRESCALER_8 (WWDG_CFR_WDGTB_1 | WWDG_CFR_WDGTB_0) /*!< WWDG counter clock = (PCLK1/4096)/8 */
/**
* @}
*/
/** @defgroup WWDG_EWI_Mode WWDG Early Wakeup Interrupt Mode
* @{
*/
#define WWDG_EWI_DISABLE 0x00000000u /*!< EWI Disable */
#define WWDG_EWI_ENABLE WWDG_CFR_EWI /*!< EWI Enable */
/**
* @}
*/
/**
* @}
*/
/* Private macros ------------------------------------------------------------*/
/** @defgroup WWDG_Private_Macros WWDG Private Macros
* @{
*/
#define IS_WWDG_PRESCALER(__PRESCALER__) (((__PRESCALER__) == WWDG_PRESCALER_1) || \
((__PRESCALER__) == WWDG_PRESCALER_2) || \
((__PRESCALER__) == WWDG_PRESCALER_4) || \
((__PRESCALER__) == WWDG_PRESCALER_8))
#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 ------------------------------------------------------------*/
/** @defgroup WWDG_Exported_Macros WWDG Exported Macros
* @{
*/
/**
* @brief Enable the WWDG peripheral.
* @param __HANDLE__ WWDG handle
* @retval None
*/
#define __HAL_WWDG_ENABLE(__HANDLE__) SET_BIT((__HANDLE__)->Instance->CR, WWDG_CR_WDGA)
/**
* @brief Enable the WWDG early wakeup interrupt.
* @param __HANDLE__: WWDG handle
* @param __INTERRUPT__ specifies the interrupt to enable.
* This parameter can be one of the following values:
* @arg WWDG_IT_EWI: Early wakeup interrupt
* @note Once enabled this interrupt cannot be disabled except by a system reset.
* @retval None
*/
#define __HAL_WWDG_ENABLE_IT(__HANDLE__, __INTERRUPT__) SET_BIT((__HANDLE__)->Instance->CFR, (__INTERRUPT__))
/**
* @brief Check whether the selected WWDG interrupt has occurred or not.
* @param __HANDLE__ WWDG handle
* @param __INTERRUPT__ specifies the it to check.
* This parameter can be one of the following values:
* @arg WWDG_FLAG_EWIF: Early wakeup interrupt IT
* @retval The new state of WWDG_FLAG (SET or RESET).
*/
#define __HAL_WWDG_GET_IT(__HANDLE__, __INTERRUPT__) __HAL_WWDG_GET_FLAG((__HANDLE__),(__INTERRUPT__))
/** @brief Clear the WWDG interrupt pending bits.
* bits to clear the selected interrupt pending bits.
* @param __HANDLE__ WWDG handle
* @param __INTERRUPT__ specifies the interrupt pending bit to clear.
* This parameter can be one of the following values:
* @arg WWDG_FLAG_EWIF: Early wakeup interrupt flag
*/
#define __HAL_WWDG_CLEAR_IT(__HANDLE__, __INTERRUPT__) __HAL_WWDG_CLEAR_FLAG((__HANDLE__), (__INTERRUPT__))
/**
* @brief Check whether the specified WWDG flag is set or not.
* @param __HANDLE__ WWDG handle
* @param __FLAG__ specifies the flag to check.
* This parameter can be one of the following values:
* @arg WWDG_FLAG_EWIF: Early wakeup interrupt flag
* @retval The new state of WWDG_FLAG (SET or RESET).
*/
#define __HAL_WWDG_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__))
/**
* @brief Clear the WWDG's pending flags.
* @param __HANDLE__ WWDG handle
* @param __FLAG__ specifies the flag to clear.
* This parameter can be one of the following values:
* @arg WWDG_FLAG_EWIF: Early wakeup interrupt flag
* @retval None
*/
#define __HAL_WWDG_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->SR = ~(__FLAG__))
/** @brief Check whether the specified WWDG interrupt source is enabled or not.
* @param __HANDLE__ WWDG Handle.
* @param __INTERRUPT__ specifies the WWDG interrupt source to check.
* This parameter can be one of the following values:
* @arg WWDG_IT_EWI: Early Wakeup Interrupt
* @retval state of __INTERRUPT__ (TRUE or FALSE).
*/
#define __HAL_WWDG_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->CFR\
& (__INTERRUPT__)) == (__INTERRUPT__))
/**
* @}
*/
/* Exported functions --------------------------------------------------------*/
/** @addtogroup WWDG_Exported_Functions
* @{
*/
/** @addtogroup WWDG_Exported_Functions_Group1
* @{
*/
/* 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
/**
* @}
*/
/** @addtogroup WWDG_Exported_Functions_Group2
* @{
*/
/* 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 /* STM32F0xx_HAL_WWDG_H */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|
