| 提交 | 用户 | age | ||
| bfc108 | 1 | /** |
| Q | 2 | ****************************************************************************** |
| 3 | * @file stm32f0xx_hal_wwdg.h | |
| 4 | * @author MCD Application Team | |
| 5 | * @brief Header file of WWDG HAL module. | |
| 6 | ****************************************************************************** | |
| 7 | * @attention | |
| 8 | * | |
| 9 | * <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2> | |
| 10 | * | |
| 11 | * Redistribution and use in source and binary forms, with or without modification, | |
| 12 | * are permitted provided that the following conditions are met: | |
| 13 | * 1. Redistributions of source code must retain the above copyright notice, | |
| 14 | * this list of conditions and the following disclaimer. | |
| 15 | * 2. Redistributions in binary form must reproduce the above copyright notice, | |
| 16 | * this list of conditions and the following disclaimer in the documentation | |
| 17 | * and/or other materials provided with the distribution. | |
| 18 | * 3. Neither the name of STMicroelectronics nor the names of its contributors | |
| 19 | * may be used to endorse or promote products derived from this software | |
| 20 | * without specific prior written permission. | |
| 21 | * | |
| 22 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
| 23 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 24 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
| 25 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE | |
| 26 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 27 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
| 28 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | |
| 29 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | |
| 30 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 31 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 32 | * | |
| 33 | ****************************************************************************** | |
| 34 | */ | |
| 35 | ||
| 36 | /* Define to prevent recursive inclusion -------------------------------------*/ | |
| 37 | #ifndef __STM32F0xx_HAL_WWDG_H | |
| 38 | #define __STM32F0xx_HAL_WWDG_H | |
| 39 | ||
| 40 | #ifdef __cplusplus | |
| 41 | extern "C" { | |
| 42 | #endif | |
| 43 | ||
| 44 | /* Includes ------------------------------------------------------------------*/ | |
| 45 | #include "stm32f0xx_hal_def.h" | |
| 46 | ||
| 47 | /** @addtogroup STM32F0xx_HAL_Driver | |
| 48 | * @{ | |
| 49 | */ | |
| 50 | ||
| 51 | /** @addtogroup WWDG | |
| 52 | * @{ | |
| 53 | */ | |
| 54 | ||
| 55 | /* Exported types ------------------------------------------------------------*/ | |
| 56 | ||
| 57 | /** @defgroup WWDG_Exported_Types WWDG Exported Types | |
| 58 | * @{ | |
| 59 | */ | |
| 60 | ||
| 61 | /** | |
| 62 | * @brief WWDG Init structure definition | |
| 63 | */ | |
| 64 | typedef struct | |
| 65 | { | |
| 66 | uint32_t Prescaler; /*!< Specifies the prescaler value of the WWDG. | |
| 67 | This parameter can be a value of @ref WWDG_Prescaler */ | |
| 68 | ||
| 69 | uint32_t Window; /*!< Specifies the WWDG window value to be compared to the downcounter. | |
| 70 | This parameter must be a number Min_Data = 0x40 and Max_Data = 0x7F */ | |
| 71 | ||
| 72 | uint32_t Counter; /*!< Specifies the WWDG free-running downcounter value. | |
| 73 | This parameter must be a number between Min_Data = 0x40 and Max_Data = 0x7F */ | |
| 74 | ||
| 75 | uint32_t EWIMode ; /*!< Specifies if WWDG Early Wakeup Interupt is enable or not. | |
| 76 | This parameter can be a value of @ref WWDG_EWI_Mode */ | |
| 77 | ||
| 78 | }WWDG_InitTypeDef; | |
| 79 | ||
| 80 | /** | |
| 81 | * @brief WWDG handle Structure definition | |
| 82 | */ | |
| 83 | typedef struct | |
| 84 | { | |
| 85 | WWDG_TypeDef *Instance; /*!< Register base address */ | |
| 86 | ||
| 87 | WWDG_InitTypeDef Init; /*!< WWDG required parameters */ | |
| 88 | ||
| 89 | }WWDG_HandleTypeDef; | |
| 90 | /** | |
| 91 | * @} | |
| 92 | */ | |
| 93 | ||
| 94 | /* Exported constants --------------------------------------------------------*/ | |
| 95 | ||
| 96 | /** @defgroup WWDG_Exported_Constants WWDG Exported Constants | |
| 97 | * @{ | |
| 98 | */ | |
| 99 | ||
| 100 | /** @defgroup WWDG_Interrupt_definition WWDG Interrupt definition | |
| 101 | * @{ | |
| 102 | */ | |
| 103 | #define WWDG_IT_EWI WWDG_CFR_EWI /*!< Early wakeup interrupt */ | |
| 104 | /** | |
| 105 | * @} | |
| 106 | */ | |
| 107 | ||
| 108 | /** @defgroup WWDG_Flag_definition WWDG Flag definition | |
| 109 | * @brief WWDG Flag definition | |
| 110 | * @{ | |
| 111 | */ | |
| 112 | #define WWDG_FLAG_EWIF WWDG_SR_EWIF /*!< Early wakeup interrupt flag */ | |
| 113 | /** | |
| 114 | * @} | |
| 115 | */ | |
| 116 | ||
| 117 | /** @defgroup WWDG_Prescaler WWDG Prescaler | |
| 118 | * @{ | |
| 119 | */ | |
| 120 | #define WWDG_PRESCALER_1 0x00000000U /*!< WWDG counter clock = (PCLK1/4096)/1 */ | |
| 121 | #define WWDG_PRESCALER_2 WWDG_CFR_WDGTB_0 /*!< WWDG counter clock = (PCLK1/4096)/2 */ | |
| 122 | #define WWDG_PRESCALER_4 WWDG_CFR_WDGTB_1 /*!< WWDG counter clock = (PCLK1/4096)/4 */ | |
| 123 | #define WWDG_PRESCALER_8 WWDG_CFR_WDGTB /*!< WWDG counter clock = (PCLK1/4096)/8 */ | |
| 124 | /** | |
| 125 | * @} | |
| 126 | */ | |
| 127 | ||
| 128 | /** @defgroup WWDG_EWI_Mode WWDG Early Wakeup Interrupt Mode | |
| 129 | * @{ | |
| 130 | */ | |
| 131 | #define WWDG_EWI_DISABLE 0x00000000U /*!< EWI Disable */ | |
| 132 | #define WWDG_EWI_ENABLE WWDG_CFR_EWI /*!< EWI Enable */ | |
| 133 | /** | |
| 134 | * @} | |
| 135 | */ | |
| 136 | ||
| 137 | /** | |
| 138 | * @} | |
| 139 | */ | |
| 140 | ||
| 141 | /* Private macros ------------------------------------------------------------*/ | |
| 142 | ||
| 143 | /** @defgroup WWDG_Private_Macros WWDG Private Macros | |
| 144 | * @{ | |
| 145 | */ | |
| 146 | #define IS_WWDG_PRESCALER(__PRESCALER__) (((__PRESCALER__) == WWDG_PRESCALER_1) || \ | |
| 147 | ((__PRESCALER__) == WWDG_PRESCALER_2) || \ | |
| 148 | ((__PRESCALER__) == WWDG_PRESCALER_4) || \ | |
| 149 | ((__PRESCALER__) == WWDG_PRESCALER_8)) | |
| 150 | ||
| 151 | #define IS_WWDG_WINDOW(__WINDOW__) (((__WINDOW__) >= WWDG_CFR_W_6) && ((__WINDOW__) <= WWDG_CFR_W)) | |
| 152 | ||
| 153 | #define IS_WWDG_COUNTER(__COUNTER__) (((__COUNTER__) >= WWDG_CR_T_6) && ((__COUNTER__) <= WWDG_CR_T)) | |
| 154 | ||
| 155 | #define IS_WWDG_EWI_MODE(__MODE__) (((__MODE__) == WWDG_EWI_ENABLE) || \ | |
| 156 | ((__MODE__) == WWDG_EWI_DISABLE)) | |
| 157 | /** | |
| 158 | * @} | |
| 159 | */ | |
| 160 | ||
| 161 | ||
| 162 | /* Exported macros ------------------------------------------------------------*/ | |
| 163 | ||
| 164 | /** @defgroup WWDG_Exported_Macros WWDG Exported Macros | |
| 165 | * @{ | |
| 166 | */ | |
| 167 | ||
| 168 | /** | |
| 169 | * @brief Enable the WWDG peripheral. | |
| 170 | * @param __HANDLE__ WWDG handle | |
| 171 | * @retval None | |
| 172 | */ | |
| 173 | #define __HAL_WWDG_ENABLE(__HANDLE__) SET_BIT((__HANDLE__)->Instance->CR, WWDG_CR_WDGA) | |
| 174 | ||
| 175 | /** | |
| 176 | * @brief Enable the WWDG early wakeup interrupt. | |
| 177 | * @param __HANDLE__ WWDG handle | |
| 178 | * @param __INTERRUPT__ specifies the interrupt to enable. | |
| 179 | * This parameter can be one of the following values: | |
| 180 | * @arg WWDG_IT_EWI: Early wakeup interrupt | |
| 181 | * @note Once enabled this interrupt cannot be disabled except by a system reset. | |
| 182 | * @retval None | |
| 183 | */ | |
| 184 | #define __HAL_WWDG_ENABLE_IT(__HANDLE__, __INTERRUPT__) SET_BIT((__HANDLE__)->Instance->CFR, (__INTERRUPT__)) | |
| 185 | ||
| 186 | /** | |
| 187 | * @brief Check whether the selected WWDG interrupt has occurred or not. | |
| 188 | * @param __HANDLE__ WWDG handle | |
| 189 | * @param __INTERRUPT__ specifies the it to check. | |
| 190 | * This parameter can be one of the following values: | |
| 191 | * @arg WWDG_FLAG_EWIF: Early wakeup interrupt IT | |
| 192 | * @retval The new state of WWDG_FLAG (SET or RESET). | |
| 193 | */ | |
| 194 | #define __HAL_WWDG_GET_IT(__HANDLE__, __INTERRUPT__) __HAL_WWDG_GET_FLAG((__HANDLE__),(__INTERRUPT__)) | |
| 195 | ||
| 196 | /** @brief Clear the WWDG interrupt pending bits. | |
| 197 | * bits to clear the selected interrupt pending bits. | |
| 198 | * @param __HANDLE__ WWDG handle | |
| 199 | * @param __INTERRUPT__ specifies the interrupt pending bit to clear. | |
| 200 | * This parameter can be one of the following values: | |
| 201 | * @arg WWDG_FLAG_EWIF: Early wakeup interrupt flag | |
| 202 | */ | |
| 203 | #define __HAL_WWDG_CLEAR_IT(__HANDLE__, __INTERRUPT__) __HAL_WWDG_CLEAR_FLAG((__HANDLE__), (__INTERRUPT__)) | |
| 204 | ||
| 205 | /** | |
| 206 | * @brief Check whether the specified WWDG flag is set or not. | |
| 207 | * @param __HANDLE__ WWDG handle | |
| 208 | * @param __FLAG__ specifies the flag to check. | |
| 209 | * This parameter can be one of the following values: | |
| 210 | * @arg WWDG_FLAG_EWIF: Early wakeup interrupt flag | |
| 211 | * @retval The new state of WWDG_FLAG (SET or RESET). | |
| 212 | */ | |
| 213 | #define __HAL_WWDG_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__)) | |
| 214 | ||
| 215 | /** | |
| 216 | * @brief Clear the WWDG's pending flags. | |
| 217 | * @param __HANDLE__ WWDG handle | |
| 218 | * @param __FLAG__ specifies the flag to clear. | |
| 219 | * This parameter can be one of the following values: | |
| 220 | * @arg WWDG_FLAG_EWIF: Early wakeup interrupt flag | |
| 221 | * @retval None | |
| 222 | */ | |
| 223 | #define __HAL_WWDG_CLEAR_FLAG(__HANDLE__, __FLAG__) ((__HANDLE__)->Instance->SR = ~(__FLAG__)) | |
| 224 | ||
| 225 | /** @brief Check whether the specified WWDG interrupt source is enabled or not. | |
| 226 | * @param __HANDLE__ WWDG Handle. | |
| 227 | * @param __INTERRUPT__ specifies the WWDG interrupt source to check. | |
| 228 | * This parameter can be one of the following values: | |
| 229 | * @arg WWDG_IT_EWI: Early Wakeup Interrupt | |
| 230 | * @retval state of __INTERRUPT__ (TRUE or FALSE). | |
| 231 | */ | |
| 232 | #define __HAL_WWDG_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) (((__HANDLE__)->Instance->CFR & (__INTERRUPT__)) == (__INTERRUPT__)) | |
| 233 | ||
| 234 | /** | |
| 235 | * @} | |
| 236 | */ | |
| 237 | ||
| 238 | /* Exported functions --------------------------------------------------------*/ | |
| 239 | ||
| 240 | /** @addtogroup WWDG_Exported_Functions | |
| 241 | * @{ | |
| 242 | */ | |
| 243 | ||
| 244 | /** @addtogroup WWDG_Exported_Functions_Group1 | |
| 245 | * @{ | |
| 246 | */ | |
| 247 | /* Initialization/de-initialization functions **********************************/ | |
| 248 | HAL_StatusTypeDef HAL_WWDG_Init(WWDG_HandleTypeDef *hwwdg); | |
| 249 | void HAL_WWDG_MspInit(WWDG_HandleTypeDef *hwwdg); | |
| 250 | /** | |
| 251 | * @} | |
| 252 | */ | |
| 253 | ||
| 254 | /** @addtogroup WWDG_Exported_Functions_Group2 | |
| 255 | * @{ | |
| 256 | */ | |
| 257 | /* I/O operation functions ******************************************************/ | |
| 258 | HAL_StatusTypeDef HAL_WWDG_Refresh(WWDG_HandleTypeDef *hwwdg); | |
| 259 | void HAL_WWDG_IRQHandler(WWDG_HandleTypeDef *hwwdg); | |
| 260 | void HAL_WWDG_EarlyWakeupCallback(WWDG_HandleTypeDef* hwwdg); | |
| 261 | /** | |
| 262 | * @} | |
| 263 | */ | |
| 264 | ||
| 265 | /** | |
| 266 | * @} | |
| 267 | */ | |
| 268 | ||
| 269 | /** | |
| 270 | * @} | |
| 271 | */ | |
| 272 | ||
| 273 | /** | |
| 274 | * @} | |
| 275 | */ | |
| 276 | ||
| 277 | #ifdef __cplusplus | |
| 278 | } | |
| 279 | #endif | |
| 280 | ||
| 281 | #endif /* __STM32F0xx_HAL_WWDG_H */ | |
| 282 | ||
| 283 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ | |
