[303] | 1 | /**
|
---|
| 2 | ******************************************************************************
|
---|
| 3 | * @file stm32f4xx_hal_iwdg.h
|
---|
| 4 | * @author MCD Application Team
|
---|
| 5 | * @version V1.4.1
|
---|
| 6 | * @date 09-October-2015
|
---|
| 7 | * @brief Header file of IWDG HAL module.
|
---|
| 8 | ******************************************************************************
|
---|
| 9 | * @attention
|
---|
| 10 | *
|
---|
| 11 | * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
|
---|
| 12 | *
|
---|
| 13 | * Redistribution and use in source and binary forms, with or without modification,
|
---|
| 14 | * are permitted provided that the following conditions are met:
|
---|
| 15 | * 1. Redistributions of source code must retain the above copyright notice,
|
---|
| 16 | * this list of conditions and the following disclaimer.
|
---|
| 17 | * 2. Redistributions in binary form must reproduce the above copyright notice,
|
---|
| 18 | * this list of conditions and the following disclaimer in the documentation
|
---|
| 19 | * and/or other materials provided with the distribution.
|
---|
| 20 | * 3. Neither the name of STMicroelectronics nor the names of its contributors
|
---|
| 21 | * may be used to endorse or promote products derived from this software
|
---|
| 22 | * without specific prior written permission.
|
---|
| 23 | *
|
---|
| 24 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
---|
| 25 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
---|
| 26 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
---|
| 27 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
---|
| 28 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
---|
| 29 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
---|
| 30 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
---|
| 31 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
---|
| 32 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
---|
| 33 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
---|
| 34 | *
|
---|
| 35 | ******************************************************************************
|
---|
| 36 | */
|
---|
| 37 |
|
---|
| 38 | /* Define to prevent recursive inclusion -------------------------------------*/
|
---|
| 39 | #ifndef __STM32F4xx_HAL_IWDG_H
|
---|
| 40 | #define __STM32F4xx_HAL_IWDG_H
|
---|
| 41 |
|
---|
| 42 | #ifdef __cplusplus
|
---|
| 43 | extern "C" {
|
---|
| 44 | #endif
|
---|
| 45 |
|
---|
| 46 | /* Includes ------------------------------------------------------------------*/
|
---|
| 47 | #include "stm32f4xx_hal_def.h"
|
---|
| 48 |
|
---|
| 49 | /** @addtogroup STM32F4xx_HAL_Driver
|
---|
| 50 | * @{
|
---|
| 51 | */
|
---|
| 52 |
|
---|
| 53 | /** @addtogroup IWDG
|
---|
| 54 | * @{
|
---|
| 55 | */
|
---|
| 56 |
|
---|
| 57 | /* Exported types ------------------------------------------------------------*/
|
---|
| 58 | /** @defgroup IWDG_Exported_Types IWDG Exported Types
|
---|
| 59 | * @{
|
---|
| 60 | */
|
---|
| 61 |
|
---|
| 62 | /**
|
---|
| 63 | * @brief IWDG HAL State Structure definition
|
---|
| 64 | */
|
---|
| 65 | typedef enum
|
---|
| 66 | {
|
---|
| 67 | HAL_IWDG_STATE_RESET = 0x00, /*!< IWDG not yet initialized or disabled */
|
---|
| 68 | HAL_IWDG_STATE_READY = 0x01, /*!< IWDG initialized and ready for use */
|
---|
| 69 | HAL_IWDG_STATE_BUSY = 0x02, /*!< IWDG internal process is ongoing */
|
---|
| 70 | HAL_IWDG_STATE_TIMEOUT = 0x03, /*!< IWDG timeout state */
|
---|
| 71 | HAL_IWDG_STATE_ERROR = 0x04 /*!< IWDG error state */
|
---|
| 72 | }HAL_IWDG_StateTypeDef;
|
---|
| 73 |
|
---|
| 74 | /**
|
---|
| 75 | * @brief IWDG Init structure definition
|
---|
| 76 | */
|
---|
| 77 | typedef struct
|
---|
| 78 | {
|
---|
| 79 | uint32_t Prescaler; /*!< Select the prescaler of the IWDG.
|
---|
| 80 | This parameter can be a value of @ref IWDG_Prescaler */
|
---|
| 81 |
|
---|
| 82 | uint32_t Reload; /*!< Specifies the IWDG down-counter reload value.
|
---|
| 83 | This parameter must be a number between Min_Data = 0 and Max_Data = 0x0FFF */
|
---|
| 84 | }IWDG_InitTypeDef;
|
---|
| 85 |
|
---|
| 86 | /**
|
---|
| 87 | * @brief IWDG Handle Structure definition
|
---|
| 88 | */
|
---|
| 89 | typedef struct
|
---|
| 90 | {
|
---|
| 91 | IWDG_TypeDef *Instance; /*!< Register base address */
|
---|
| 92 |
|
---|
| 93 | IWDG_InitTypeDef Init; /*!< IWDG required parameters */
|
---|
| 94 |
|
---|
| 95 | HAL_LockTypeDef Lock; /*!< IWDG Locking object */
|
---|
| 96 |
|
---|
| 97 | __IO HAL_IWDG_StateTypeDef State; /*!< IWDG communication state */
|
---|
| 98 | }IWDG_HandleTypeDef;
|
---|
| 99 |
|
---|
| 100 | /**
|
---|
| 101 | * @}
|
---|
| 102 | */
|
---|
| 103 |
|
---|
| 104 | /* Exported constants --------------------------------------------------------*/
|
---|
| 105 | /** @defgroup IWDG_Exported_Constants IWDG Exported Constants
|
---|
| 106 | * @{
|
---|
| 107 | */
|
---|
| 108 |
|
---|
| 109 | /** @defgroup IWDG_Registers_BitMask IWDG Registers BitMask
|
---|
| 110 | * @brief IWDG registers bit mask
|
---|
| 111 | * @{
|
---|
| 112 | */
|
---|
| 113 | /* --- KR Register ---*/
|
---|
| 114 | /* KR register bit mask */
|
---|
| 115 | #define IWDG_KEY_RELOAD ((uint32_t)0xAAAA) /*!< IWDG Reload Counter Enable */
|
---|
| 116 | #define IWDG_KEY_ENABLE ((uint32_t)0xCCCC) /*!< IWDG Peripheral Enable */
|
---|
| 117 | #define IWDG_KEY_WRITE_ACCESS_ENABLE ((uint32_t)0x5555) /*!< IWDG KR Write Access Enable */
|
---|
| 118 | #define IWDG_KEY_WRITE_ACCESS_DISABLE ((uint32_t)0x0000) /*!< IWDG KR Write Access Disable */
|
---|
| 119 | /**
|
---|
| 120 | * @}
|
---|
| 121 | */
|
---|
| 122 |
|
---|
| 123 | /** @defgroup IWDG_Flag_definition IWDG Flag definition
|
---|
| 124 | * @{
|
---|
| 125 | */
|
---|
| 126 | #define IWDG_FLAG_PVU ((uint32_t)IWDG_SR_PVU) /*!< Watchdog counter prescaler value update Flag */
|
---|
| 127 | #define IWDG_FLAG_RVU ((uint32_t)IWDG_SR_RVU) /*!< Watchdog counter reload value update Flag */
|
---|
| 128 | /**
|
---|
| 129 | * @}
|
---|
| 130 | */
|
---|
| 131 |
|
---|
| 132 | /** @defgroup IWDG_Prescaler IWDG Prescaler
|
---|
| 133 | * @{
|
---|
| 134 | */
|
---|
| 135 | #define IWDG_PRESCALER_4 ((uint8_t)0x00) /*!< IWDG prescaler set to 4 */
|
---|
| 136 | #define IWDG_PRESCALER_8 ((uint8_t)(IWDG_PR_PR_0)) /*!< IWDG prescaler set to 8 */
|
---|
| 137 | #define IWDG_PRESCALER_16 ((uint8_t)(IWDG_PR_PR_1)) /*!< IWDG prescaler set to 16 */
|
---|
| 138 | #define IWDG_PRESCALER_32 ((uint8_t)(IWDG_PR_PR_1 | IWDG_PR_PR_0)) /*!< IWDG prescaler set to 32 */
|
---|
| 139 | #define IWDG_PRESCALER_64 ((uint8_t)(IWDG_PR_PR_2)) /*!< IWDG prescaler set to 64 */
|
---|
| 140 | #define IWDG_PRESCALER_128 ((uint8_t)(IWDG_PR_PR_2 | IWDG_PR_PR_0)) /*!< IWDG prescaler set to 128 */
|
---|
| 141 | #define IWDG_PRESCALER_256 ((uint8_t)(IWDG_PR_PR_2 | IWDG_PR_PR_1)) /*!< IWDG prescaler set to 256 */
|
---|
| 142 | /**
|
---|
| 143 | * @}
|
---|
| 144 | */
|
---|
| 145 |
|
---|
| 146 | /**
|
---|
| 147 | * @}
|
---|
| 148 | */
|
---|
| 149 |
|
---|
| 150 | /* Exported macros -----------------------------------------------------------*/
|
---|
| 151 | /** @defgroup IWDG_Exported_Macros IWDG Exported Macros
|
---|
| 152 | * @{
|
---|
| 153 | */
|
---|
| 154 |
|
---|
| 155 | /** @brief Reset IWDG handle state
|
---|
| 156 | * @param __HANDLE__: IWDG handle.
|
---|
| 157 | * @retval None
|
---|
| 158 | */
|
---|
| 159 | #define __HAL_IWDG_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_IWDG_STATE_RESET)
|
---|
| 160 |
|
---|
| 161 | /**
|
---|
| 162 | * @brief Enables the IWDG peripheral.
|
---|
| 163 | * @param __HANDLE__: IWDG handle
|
---|
| 164 | * @retval None
|
---|
| 165 | */
|
---|
| 166 | #define __HAL_IWDG_START(__HANDLE__) WRITE_REG((__HANDLE__)->Instance->KR, IWDG_KEY_ENABLE)
|
---|
| 167 |
|
---|
| 168 | /**
|
---|
| 169 | * @brief Reloads IWDG counter with value defined in the reload register
|
---|
| 170 | * (write access to IWDG_PR and IWDG_RLR registers disabled).
|
---|
| 171 | * @param __HANDLE__: IWDG handle
|
---|
| 172 | * @retval None
|
---|
| 173 | */
|
---|
| 174 | #define __HAL_IWDG_RELOAD_COUNTER(__HANDLE__) WRITE_REG((__HANDLE__)->Instance->KR, IWDG_KEY_RELOAD)
|
---|
| 175 |
|
---|
| 176 | /**
|
---|
| 177 | * @brief Gets the selected IWDG's flag status.
|
---|
| 178 | * @param __HANDLE__: IWDG handle
|
---|
| 179 | * @param __FLAG__: specifies the flag to check.
|
---|
| 180 | * This parameter can be one of the following values:
|
---|
| 181 | * @arg IWDG_FLAG_PVU: Watchdog counter reload value update flag
|
---|
| 182 | * @arg IWDG_FLAG_RVU: Watchdog counter prescaler value flag
|
---|
| 183 | * @retval The new state of __FLAG__ (TRUE or FALSE).
|
---|
| 184 | */
|
---|
| 185 | #define __HAL_IWDG_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__))
|
---|
| 186 |
|
---|
| 187 | /**
|
---|
| 188 | * @}
|
---|
| 189 | */
|
---|
| 190 |
|
---|
| 191 | /* Exported functions --------------------------------------------------------*/
|
---|
| 192 | /** @addtogroup IWDG_Exported_Functions
|
---|
| 193 | * @{
|
---|
| 194 | */
|
---|
| 195 |
|
---|
| 196 | /** @addtogroup IWDG_Exported_Functions_Group1
|
---|
| 197 | * @{
|
---|
| 198 | */
|
---|
| 199 | /* Initialization/de-initialization functions ********************************/
|
---|
| 200 | HAL_StatusTypeDef HAL_IWDG_Init(IWDG_HandleTypeDef *hiwdg);
|
---|
| 201 | void HAL_IWDG_MspInit(IWDG_HandleTypeDef *hiwdg);
|
---|
| 202 | /**
|
---|
| 203 | * @}
|
---|
| 204 | */
|
---|
| 205 |
|
---|
| 206 | /** @addtogroup IWDG_Exported_Functions_Group2
|
---|
| 207 | * @{
|
---|
| 208 | */
|
---|
| 209 | /* I/O operation functions ****************************************************/
|
---|
| 210 | HAL_StatusTypeDef HAL_IWDG_Start(IWDG_HandleTypeDef *hiwdg);
|
---|
| 211 | HAL_StatusTypeDef HAL_IWDG_Refresh(IWDG_HandleTypeDef *hiwdg);
|
---|
| 212 | /**
|
---|
| 213 | * @}
|
---|
| 214 | */
|
---|
| 215 |
|
---|
| 216 | /** @addtogroup IWDG_Exported_Functions_Group3
|
---|
| 217 | * @{
|
---|
| 218 | */
|
---|
| 219 | /* Peripheral State functions ************************************************/
|
---|
| 220 | HAL_IWDG_StateTypeDef HAL_IWDG_GetState(IWDG_HandleTypeDef *hiwdg);
|
---|
| 221 |
|
---|
| 222 | /**
|
---|
| 223 | * @}
|
---|
| 224 | */
|
---|
| 225 |
|
---|
| 226 | /**
|
---|
| 227 | * @}
|
---|
| 228 | */
|
---|
| 229 |
|
---|
| 230 | /* Private macro -------------------------------------------------------------*/
|
---|
| 231 | /** @defgroup IWDG_Private_Macros IWDG Private Macros
|
---|
| 232 | * @{
|
---|
| 233 | */
|
---|
| 234 |
|
---|
| 235 | /**
|
---|
| 236 | * @brief Enables write access to IWDG_PR and IWDG_RLR registers.
|
---|
| 237 | * @param __HANDLE__: IWDG handle
|
---|
| 238 | * @retval None
|
---|
| 239 | */
|
---|
| 240 | #define IWDG_ENABLE_WRITE_ACCESS(__HANDLE__) WRITE_REG((__HANDLE__)->Instance->KR, IWDG_KEY_WRITE_ACCESS_ENABLE)
|
---|
| 241 |
|
---|
| 242 | /**
|
---|
| 243 | * @brief Disables write access to IWDG_PR and IWDG_RLR registers.
|
---|
| 244 | * @param __HANDLE__: IWDG handle
|
---|
| 245 | * @retval None
|
---|
| 246 | */
|
---|
| 247 | #define IWDG_DISABLE_WRITE_ACCESS(__HANDLE__) WRITE_REG((__HANDLE__)->Instance->KR, IWDG_KEY_WRITE_ACCESS_DISABLE)
|
---|
| 248 |
|
---|
| 249 |
|
---|
| 250 | #define IS_IWDG_PRESCALER(__PRESCALER__) (((__PRESCALER__) == IWDG_PRESCALER_4) || \
|
---|
| 251 | ((__PRESCALER__) == IWDG_PRESCALER_8) || \
|
---|
| 252 | ((__PRESCALER__) == IWDG_PRESCALER_16) || \
|
---|
| 253 | ((__PRESCALER__) == IWDG_PRESCALER_32) || \
|
---|
| 254 | ((__PRESCALER__) == IWDG_PRESCALER_64) || \
|
---|
| 255 | ((__PRESCALER__) == IWDG_PRESCALER_128)|| \
|
---|
| 256 | ((__PRESCALER__) == IWDG_PRESCALER_256))
|
---|
| 257 |
|
---|
| 258 |
|
---|
| 259 | #define IS_IWDG_RELOAD(__RELOAD__) ((__RELOAD__) <= 0xFFF)
|
---|
| 260 |
|
---|
| 261 | /**
|
---|
| 262 | * @}
|
---|
| 263 | */
|
---|
| 264 |
|
---|
| 265 | /* Private define ------------------------------------------------------------*/
|
---|
| 266 | /** @defgroup IWDG_Private_Constants IWDG Private Constants
|
---|
| 267 | * @{
|
---|
| 268 | */
|
---|
| 269 |
|
---|
| 270 | /**
|
---|
| 271 | * @}
|
---|
| 272 | */
|
---|
| 273 |
|
---|
| 274 | /**
|
---|
| 275 | * @}
|
---|
| 276 | */
|
---|
| 277 |
|
---|
| 278 | /**
|
---|
| 279 | * @}
|
---|
| 280 | */
|
---|
| 281 |
|
---|
| 282 | #ifdef __cplusplus
|
---|
| 283 | }
|
---|
| 284 | #endif
|
---|
| 285 |
|
---|
| 286 | #endif /* __STM32F4xx_HAL_IWDG_H */
|
---|
| 287 |
|
---|
| 288 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|
---|