| /** | |
| ****************************************************************************** | |
| * @file stm32f1xx_hal_wwdg.h | |
| * @author MCD Application Team | |
| * @version V1.1.1 | |
| * @date 12-May-2017 | |
| * @brief Header file of WWDG HAL module. | |
| ****************************************************************************** | |
| * @attention | |
| * | |
| * <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2> | |
| * | |
| * Redistribution and use in source and binary forms, with or without modification, | |
| * are permitted provided that the following conditions are met: | |
| * 1. Redistributions of source code must retain the above copyright notice, | |
| * this list of conditions and the following disclaimer. | |
| * 2. Redistributions in binary form must reproduce the above copyright notice, | |
| * this list of conditions and the following disclaimer in the documentation | |
| * and/or other materials provided with the distribution. | |
| * 3. Neither the name of STMicroelectronics nor the names of its contributors | |
| * may be used to endorse or promote products derived from this software | |
| * without specific prior written permission. | |
| * | |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
| * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE | |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
| * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | |
| * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| * | |
| ****************************************************************************** | |
| */ | |
| /* Define to prevent recursive inclusion -------------------------------------*/ | |
| #ifndef __STM32F1xx_HAL_WWDG_H | |
| #define __STM32F1xx_HAL_WWDG_H | |
| #ifdef __cplusplus | |
| extern "C" { | |
| #endif | |
| /* Includes ------------------------------------------------------------------*/ | |
| #include "stm32f1xx_hal_def.h" | |
| /** @addtogroup STM32F1xx_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 | |
| */ | |
| typedef struct | |
| { | |
| WWDG_TypeDef *Instance; /*!< Register base address */ | |
| WWDG_InitTypeDef Init; /*!< WWDG required parameters */ | |
| }WWDG_HandleTypeDef; | |
| /** | |
| * @} | |
| */ | |
| /* 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_WDGTB0 /*!< WWDG counter clock = (PCLK1/4096)/2 */ | |
| #define WWDG_PRESCALER_4 WWDG_CFR_WDGTB1 /*!< WWDG counter clock = (PCLK1/4096)/4 */ | |
| #define WWDG_PRESCALER_8 WWDG_CFR_WDGTB /*!< 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 Enables the WWDG peripheral. | |
| * @param __HANDLE__: WWDG handle | |
| * @retval None | |
| */ | |
| #define __HAL_WWDG_ENABLE(__HANDLE__) SET_BIT((__HANDLE__)->Instance->CR, WWDG_CR_WDGA) | |
| /** | |
| * @brief Enables 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 Checks 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's 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 Clears 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 Checks if the specified WWDG interrupt source is enabled or disabled. | |
| * @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); | |
| /** | |
| * @} | |
| */ | |
| /** @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 /* __STM32F1xx_HAL_WWDG_H */ | |
| /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |