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view Common/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_wwdg.h @ 722:47a9ba771119
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author | Ideenmodellierer |
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date | Thu, 05 Jan 2023 18:25:47 +0100 |
parents | c78bcbd5deda |
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/** ****************************************************************************** * @file stm32f4xx_hal_wwdg.h * @author MCD Application Team * @brief Header file of WWDG HAL module. ****************************************************************************** * @attention * * <h2><center>© COPYRIGHT(c) 2017 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 __STM32F4xx_HAL_WWDG_H #define __STM32F4xx_HAL_WWDG_H #ifdef __cplusplus extern "C" { #endif /* Includes ------------------------------------------------------------------*/ #include "stm32f4xx_hal_def.h" /** @addtogroup STM32F4xx_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 /* __STM32F4xx_HAL_WWDG_H */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/