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/**
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/**
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  ******************************************************************************
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  ******************************************************************************
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  * @file    stm32f1xx_hal_iwdg.h
 3 
  * @file    stm32f1xx_hal_iwdg.h
4 
  * @author  MCD Application Team
 4 
  * @author  MCD Application Team
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  * @brief   Header file of IWDG HAL module.
 5 
  * @brief   Header file of IWDG HAL module.
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  ******************************************************************************
 6 
  ******************************************************************************
7 
  * @attention
 7 
  * @attention
8 
  *
 8 
  *
9 
  * <h2><center>&copy; Copyright (c) 2016 STMicroelectronics.
 9 
  * Copyright (c) 2016 STMicroelectronics.
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  * All rights reserved.</center></h2>
 10 
  * All rights reserved.
11 
  *
 11 
  *
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  * This software component is licensed by ST under BSD 3-Clause license,
 12 
  * This software is licensed under terms that can be found in the LICENSE file
13 
  * the "License"; You may not use this file except in compliance with the
 13 
  * in the root directory of this software component.
14 
  * License. You may obtain a copy of the License at:
 14 
  * If no LICENSE file comes with this software, it is provided AS-IS.
15 
  *                        opensource.org/licenses/BSD-3-Clause
 15 
  *
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  *
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  ******************************************************************************
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  ******************************************************************************
 17 
  */
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  */
 18 
 
19 
 
 19 
/* Define to prevent recursive inclusion -------------------------------------*/
20 
/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef STM32F1xx_HAL_IWDG_H
21 
#ifndef STM32F1xx_HAL_IWDG_H
 21 
#define STM32F1xx_HAL_IWDG_H
22 
#define STM32F1xx_HAL_IWDG_H
 22 
 
23 
 
 23 
#ifdef __cplusplus
24 
#ifdef __cplusplus
 24 
extern "C" {
25 
extern "C" {
 25 
#endif
26 
#endif
 26 
 
27 
 
 27 
/* Includes ------------------------------------------------------------------*/
28 
/* Includes ------------------------------------------------------------------*/
 28 
#include "stm32f1xx_hal_def.h"
29 
#include "stm32f1xx_hal_def.h"
 29 
 
30 
 
 30 
/** @addtogroup STM32F1xx_HAL_Driver
31 
/** @addtogroup STM32F1xx_HAL_Driver
 31 
  * @{
32 
  * @{
 32 
  */
33 
  */
 33 
 
34 
 
 34 
/** @defgroup IWDG IWDG
35 
/** @defgroup IWDG IWDG
 35 
  * @{
36 
  * @{
 36 
  */
37 
  */
 37 
 
38 
 
 38 
/* Exported types ------------------------------------------------------------*/
39 
/* Exported types ------------------------------------------------------------*/
 39 
/** @defgroup IWDG_Exported_Types IWDG Exported Types
40 
/** @defgroup IWDG_Exported_Types IWDG Exported Types
 40 
  * @{
41 
  * @{
 41 
  */
42 
  */
 42 
 
43 
 
 43 
/**
44 
/**
 44 
  * @brief  IWDG Init structure definition
45 
  * @brief  IWDG Init structure definition
 45 
  */
46 
  */
 46 
typedef struct
47 
typedef struct
 47 
{
48 
{
 48 
  uint32_t Prescaler;  /*!< Select the prescaler of the IWDG.
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  uint32_t Prescaler;  /*!< Select the prescaler of the IWDG.
 49 
                            This parameter can be a value of @ref IWDG_Prescaler */
50 
                            This parameter can be a value of @ref IWDG_Prescaler */
 50 
 
51 
 
 51 
  uint32_t Reload;     /*!< Specifies the IWDG down-counter reload value.
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  uint32_t Reload;     /*!< Specifies the IWDG down-counter reload value.
 52 
                            This parameter must be a number between Min_Data = 0 and Max_Data = 0x0FFF */
53 
                            This parameter must be a number between Min_Data = 0 and Max_Data = 0x0FFF */
 53 
 
54 
 
 54 
} IWDG_InitTypeDef;
55 
} IWDG_InitTypeDef;
 55 
 
56 
 
 56 
/**
57 
/**
 57 
  * @brief  IWDG Handle Structure definition
58 
  * @brief  IWDG Handle Structure definition
 58 
  */
59 
  */
 59 
typedef struct
60 
typedef struct
 60 
{
61 
{
 61 
  IWDG_TypeDef                 *Instance;  /*!< Register base address    */
62 
  IWDG_TypeDef                 *Instance;  /*!< Register base address    */
 62 
 
63 
 
 63 
  IWDG_InitTypeDef             Init;       /*!< IWDG required parameters */
64 
  IWDG_InitTypeDef             Init;       /*!< IWDG required parameters */
 64 
} IWDG_HandleTypeDef;
65 
} IWDG_HandleTypeDef;
 65 
 
66 
 
 66 
 
67 
 
 67 
/**
68 
/**
 68 
  * @}
69 
  * @}
 69 
  */
70 
  */
 70 
 
71 
 
 71 
/* Exported constants --------------------------------------------------------*/
72 
/* Exported constants --------------------------------------------------------*/
 72 
/** @defgroup IWDG_Exported_Constants IWDG Exported Constants
73 
/** @defgroup IWDG_Exported_Constants IWDG Exported Constants
 73 
  * @{
74 
  * @{
 74 
  */
75 
  */
 75 
 
76 
 
 76 
/** @defgroup IWDG_Prescaler IWDG Prescaler
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/** @defgroup IWDG_Prescaler IWDG Prescaler
 77 
  * @{
78 
  * @{
 78 
  */
79 
  */
 79 
#define IWDG_PRESCALER_4                0x00000000u                                     /*!< IWDG prescaler set to 4   */
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#define IWDG_PRESCALER_4                0x00000000u                                     /*!< IWDG prescaler set to 4   */
 80 
#define IWDG_PRESCALER_8                IWDG_PR_PR_0                                    /*!< IWDG prescaler set to 8   */
81 
#define IWDG_PRESCALER_8                IWDG_PR_PR_0                                    /*!< IWDG prescaler set to 8   */
 81 
#define IWDG_PRESCALER_16               IWDG_PR_PR_1                                    /*!< IWDG prescaler set to 16  */
82 
#define IWDG_PRESCALER_16               IWDG_PR_PR_1                                    /*!< IWDG prescaler set to 16  */
 82 
#define IWDG_PRESCALER_32               (IWDG_PR_PR_1 | IWDG_PR_PR_0)                   /*!< IWDG prescaler set to 32  */
83 
#define IWDG_PRESCALER_32               (IWDG_PR_PR_1 | IWDG_PR_PR_0)                   /*!< IWDG prescaler set to 32  */
 83 
#define IWDG_PRESCALER_64               IWDG_PR_PR_2                                    /*!< IWDG prescaler set to 64  */
84 
#define IWDG_PRESCALER_64               IWDG_PR_PR_2                                    /*!< IWDG prescaler set to 64  */
 84 
#define IWDG_PRESCALER_128              (IWDG_PR_PR_2 | IWDG_PR_PR_0)                   /*!< IWDG prescaler set to 128 */
85 
#define IWDG_PRESCALER_128              (IWDG_PR_PR_2 | IWDG_PR_PR_0)                   /*!< IWDG prescaler set to 128 */
 85 
#define IWDG_PRESCALER_256              (IWDG_PR_PR_2 | IWDG_PR_PR_1)                   /*!< IWDG prescaler set to 256 */
86 
#define IWDG_PRESCALER_256              (IWDG_PR_PR_2 | IWDG_PR_PR_1)                   /*!< IWDG prescaler set to 256 */
 86 
/**
87 
/**
 87 
  * @}
88 
  * @}
 88 
  */
89 
  */
 89 
 
90 
 
 90 
/**
91 
/**
 91 
  * @}
92 
  * @}
 92 
  */
93 
  */
 93 
 
94 
 
 94 
/* Exported macros -----------------------------------------------------------*/
95 
/* Exported macros -----------------------------------------------------------*/
 95 
/** @defgroup IWDG_Exported_Macros IWDG Exported Macros
96 
/** @defgroup IWDG_Exported_Macros IWDG Exported Macros
 96 
  * @{
97 
  * @{
 97 
  */
98 
  */
 98 
 
99 
 
 99 
/**
100 
/**
 100 
  * @brief  Enable the IWDG peripheral.
101 
  * @brief  Enable the IWDG peripheral.
 101 
  * @param  __HANDLE__  IWDG handle
102 
  * @param  __HANDLE__  IWDG handle
 102 
  * @retval None
103 
  * @retval None
 103 
  */
104 
  */
 104 
#define __HAL_IWDG_START(__HANDLE__)                WRITE_REG((__HANDLE__)->Instance->KR, IWDG_KEY_ENABLE)
105 
#define __HAL_IWDG_START(__HANDLE__)                WRITE_REG((__HANDLE__)->Instance->KR, IWDG_KEY_ENABLE)
 105 
 
106 
 
 106 
/**
107 
/**
 107 
  * @brief  Reload IWDG counter with value defined in the reload register
108 
  * @brief  Reload IWDG counter with value defined in the reload register
 108 
  *         (write access to IWDG_PR and IWDG_RLR registers disabled).
109 
  *         (write access to IWDG_PR and IWDG_RLR registers disabled).
 109 
  * @param  __HANDLE__  IWDG handle
110 
  * @param  __HANDLE__  IWDG handle
 110 
  * @retval None
111 
  * @retval None
 111 
  */
112 
  */
 112 
#define __HAL_IWDG_RELOAD_COUNTER(__HANDLE__)       WRITE_REG((__HANDLE__)->Instance->KR, IWDG_KEY_RELOAD)
113 
#define __HAL_IWDG_RELOAD_COUNTER(__HANDLE__)       WRITE_REG((__HANDLE__)->Instance->KR, IWDG_KEY_RELOAD)
 113 
 
114 
 
 114 
/**
115 
/**
 115 
  * @}
116 
  * @}
 116 
  */
117 
  */
 117 
 
118 
 
 118 
/* Exported functions --------------------------------------------------------*/
119 
/* Exported functions --------------------------------------------------------*/
 119 
/** @defgroup IWDG_Exported_Functions  IWDG Exported Functions
120 
/** @defgroup IWDG_Exported_Functions  IWDG Exported Functions
 120 
  * @{
121 
  * @{
 121 
  */
122 
  */
 122 
 
123 
 
 123 
/** @defgroup IWDG_Exported_Functions_Group1 Initialization and Start functions
124 
/** @defgroup IWDG_Exported_Functions_Group1 Initialization and Start functions
 124 
  * @{
125 
  * @{
 125 
  */
126 
  */
 126 
/* Initialization/Start functions  ********************************************/
127 
/* Initialization/Start functions  ********************************************/
 127 
HAL_StatusTypeDef     HAL_IWDG_Init(IWDG_HandleTypeDef *hiwdg);
128 
HAL_StatusTypeDef     HAL_IWDG_Init(IWDG_HandleTypeDef *hiwdg);
 128 
/**
129 
/**
 129 
  * @}
130 
  * @}
 130 
  */
131 
  */
 131 
 
132 
 
 132 
/** @defgroup IWDG_Exported_Functions_Group2 IO operation functions
133 
/** @defgroup IWDG_Exported_Functions_Group2 IO operation functions
 133 
  * @{
134 
  * @{
 134 
  */
135 
  */
 135 
/* I/O operation functions ****************************************************/
136 
/* I/O operation functions ****************************************************/
 136 
HAL_StatusTypeDef     HAL_IWDG_Refresh(IWDG_HandleTypeDef *hiwdg);
137 
HAL_StatusTypeDef     HAL_IWDG_Refresh(IWDG_HandleTypeDef *hiwdg);
 137 
/**
138 
/**
 138 
  * @}
139 
  * @}
 139 
  */
140 
  */
 140 
 
141 
 
 141 
/**
142 
/**
 142 
  * @}
143 
  * @}
 143 
  */
144 
  */
 144 
 
145 
 
 145 
/* Private constants ---------------------------------------------------------*/
146 
/* Private constants ---------------------------------------------------------*/
 146 
/** @defgroup IWDG_Private_Constants IWDG Private Constants
147 
/** @defgroup IWDG_Private_Constants IWDG Private Constants
 147 
  * @{
148 
  * @{
 148 
  */
149 
  */
 149 
 
150 
 
 150 
/**
151 
/**
 151 
  * @brief  IWDG Key Register BitMask
152 
  * @brief  IWDG Key Register BitMask
 152 
  */
153 
  */
 153 
#define IWDG_KEY_RELOAD                 0x0000AAAAu  /*!< IWDG Reload Counter Enable   */
154 
#define IWDG_KEY_RELOAD                 0x0000AAAAu  /*!< IWDG Reload Counter Enable   */
 154 
#define IWDG_KEY_ENABLE                 0x0000CCCCu  /*!< IWDG Peripheral Enable       */
155 
#define IWDG_KEY_ENABLE                 0x0000CCCCu  /*!< IWDG Peripheral Enable       */
 155 
#define IWDG_KEY_WRITE_ACCESS_ENABLE    0x00005555u  /*!< IWDG KR Write Access Enable  */
156 
#define IWDG_KEY_WRITE_ACCESS_ENABLE    0x00005555u  /*!< IWDG KR Write Access Enable  */
 156 
#define IWDG_KEY_WRITE_ACCESS_DISABLE   0x00000000u  /*!< IWDG KR Write Access Disable */
157 
#define IWDG_KEY_WRITE_ACCESS_DISABLE   0x00000000u  /*!< IWDG KR Write Access Disable */
 157 
 
158 
 
 158 
/**
159 
/**
 159 
  * @}
160 
  * @}
 160 
  */
161 
  */
 161 
 
162 
 
 162 
/* Private macros ------------------------------------------------------------*/
163 
/* Private macros ------------------------------------------------------------*/
 163 
/** @defgroup IWDG_Private_Macros IWDG Private Macros
164 
/** @defgroup IWDG_Private_Macros IWDG Private Macros
 164 
  * @{
165 
  * @{
 165 
  */
166 
  */
 166 
 
167 
 
 167 
/**
168 
/**
 168 
  * @brief  Enable write access to IWDG_PR and IWDG_RLR registers.
169 
  * @brief  Enable write access to IWDG_PR and IWDG_RLR registers.
 169 
  * @param  __HANDLE__  IWDG handle
170 
  * @param  __HANDLE__  IWDG handle
 170 
  * @retval None
171 
  * @retval None
 171 
  */
172 
  */
 172 
#define IWDG_ENABLE_WRITE_ACCESS(__HANDLE__)  WRITE_REG((__HANDLE__)->Instance->KR, IWDG_KEY_WRITE_ACCESS_ENABLE)
173 
#define IWDG_ENABLE_WRITE_ACCESS(__HANDLE__)  WRITE_REG((__HANDLE__)->Instance->KR, IWDG_KEY_WRITE_ACCESS_ENABLE)
 173 
 
174 
 
 174 
/**
175 
/**
 175 
  * @brief  Disable write access to IWDG_PR and IWDG_RLR registers.
176 
  * @brief  Disable write access to IWDG_PR and IWDG_RLR registers.
 176 
  * @param  __HANDLE__  IWDG handle
177 
  * @param  __HANDLE__  IWDG handle
 177 
  * @retval None
178 
  * @retval None
 178 
  */
179 
  */
 179 
#define IWDG_DISABLE_WRITE_ACCESS(__HANDLE__) WRITE_REG((__HANDLE__)->Instance->KR, IWDG_KEY_WRITE_ACCESS_DISABLE)
180 
#define IWDG_DISABLE_WRITE_ACCESS(__HANDLE__) WRITE_REG((__HANDLE__)->Instance->KR, IWDG_KEY_WRITE_ACCESS_DISABLE)
 180 
 
181 
 
 181 
/**
182 
/**
 182 
  * @brief  Check IWDG prescaler value.
183 
  * @brief  Check IWDG prescaler value.
 183 
  * @param  __PRESCALER__  IWDG prescaler value
184 
  * @param  __PRESCALER__  IWDG prescaler value
 184 
  * @retval None
185 
  * @retval None
 185 
  */
186 
  */
 186 
#define IS_IWDG_PRESCALER(__PRESCALER__)      (((__PRESCALER__) == IWDG_PRESCALER_4)  || \
187 
#define IS_IWDG_PRESCALER(__PRESCALER__)      (((__PRESCALER__) == IWDG_PRESCALER_4)  || \
 187 
                                               ((__PRESCALER__) == IWDG_PRESCALER_8)  || \
188 
                                               ((__PRESCALER__) == IWDG_PRESCALER_8)  || \
 188 
                                               ((__PRESCALER__) == IWDG_PRESCALER_16) || \
189 
                                               ((__PRESCALER__) == IWDG_PRESCALER_16) || \
 189 
                                               ((__PRESCALER__) == IWDG_PRESCALER_32) || \
190 
                                               ((__PRESCALER__) == IWDG_PRESCALER_32) || \
 190 
                                               ((__PRESCALER__) == IWDG_PRESCALER_64) || \
191 
                                               ((__PRESCALER__) == IWDG_PRESCALER_64) || \
 191 
                                               ((__PRESCALER__) == IWDG_PRESCALER_128)|| \
192 
                                               ((__PRESCALER__) == IWDG_PRESCALER_128)|| \
 192 
                                               ((__PRESCALER__) == IWDG_PRESCALER_256))
193 
                                               ((__PRESCALER__) == IWDG_PRESCALER_256))
 193 
 
194 
 
 194 
/**
195 
/**
 195 
  * @brief  Check IWDG reload value.
196 
  * @brief  Check IWDG reload value.
 196 
  * @param  __RELOAD__  IWDG reload value
197 
  * @param  __RELOAD__  IWDG reload value
 197 
  * @retval None
198 
  * @retval None
 198 
  */
199 
  */
 199 
#define IS_IWDG_RELOAD(__RELOAD__)            ((__RELOAD__) <= IWDG_RLR_RL)
200 
#define IS_IWDG_RELOAD(__RELOAD__)            ((__RELOAD__) <= IWDG_RLR_RL)
 200 
 
201 
 
 201 
 
202 
 
 202 
 
203 
 
 203 
/**
204 
/**
 204 
  * @}
205 
  * @}
 205 
  */
206 
  */
 206 
 
207 
 
 207 
/**
208 
/**
 208 
  * @}
209 
  * @}
 209 
  */
210 
  */
 210 
 
211 
 
 211 
/**
212 
/**
 212 
  * @}
213 
  * @}
 213 
  */
214 
  */
 214 
 
215 
 
 215 
 
216 
 
 216 
#ifdef __cplusplus
217 
#ifdef __cplusplus
 217 
}
218 
}
 218 
#endif
219 
#endif
 219 
 
220 
 
 220 
#endif /* STM32F1xx_HAL_IWDG_H */
221 
#endif /* STM32F1xx_HAL_IWDG_H */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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