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Diffstat (limited to 'Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_wwdg.h')
| -rw-r--r-- | Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_wwdg.h | 252 |
1 files changed, 252 insertions, 0 deletions
diff --git a/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_wwdg.h b/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_wwdg.h new file mode 100644 index 0000000..51500c8 --- /dev/null +++ b/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_hal_wwdg.h @@ -0,0 +1,252 @@ +/** + ****************************************************************************** + * @file stm32f4xx_hal_wwdg.h + * @author MCD Application Team + * @version V1.0.0 + * @date 18-February-2014 + * @brief Header file of WWDG HAL module. + ****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT(c) 2014 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 ------------------------------------------------------------*/ + +/** + * @brief WWDG HAL State Structure definition + */ +typedef enum +{ + HAL_WWDG_STATE_RESET = 0x00, /*!< WWDG not yet initialized or disabled */ + HAL_WWDG_STATE_READY = 0x01, /*!< WWDG initialized and ready for use */ + HAL_WWDG_STATE_BUSY = 0x02, /*!< WWDG internal process is ongoing */ + HAL_WWDG_STATE_TIMEOUT = 0x03, /*!< WWDG timeout state */ + HAL_WWDG_STATE_ERROR = 0x04 /*!< WWDG error state */ + +}HAL_WWDG_StateTypeDef; + +/** + * @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 lower than Max_Data = 0x80 */ + + uint32_t Counter; /*!< Specifies the WWDG free-running downcounter value. + This parameter must be a number between Min_Data = 0x40 and Max_Data = 0x7F */ + +}WWDG_InitTypeDef; + +/** + * @brief WWDG handle Structure definition + */ +typedef struct +{ + WWDG_TypeDef *Instance; /*!< Register base address */ + + WWDG_InitTypeDef Init; /*!< WWDG required parameters */ + + HAL_LockTypeDef Lock; /*!< WWDG locking object */ + + __IO HAL_WWDG_StateTypeDef State; /*!< WWDG communication state */ + +}WWDG_HandleTypeDef; + +/* Exported constants --------------------------------------------------------*/ + +/** @defgroup WWDG_Exported_Constants + * @{ + */ + +/** @defgroup WWDG_BitAddress_AliasRegion + * @{ + */ + +/* --- CFR Register ---*/ +/* Alias word address of EWI bit */ +#define CFR_BASE (uint32_t)(WWDG_BASE + 0x04) + +/** + * @} + */ + +/** @defgroup WWDG_Interrupt_definition + * @{ + */ +#define WWDG_IT_EWI ((uint32_t)WWDG_CFR_EWI) + +#define IS_WWDG_IT(IT) ((IT) == WWDG_IT_EWI) + +/** + * @} + */ + +/** @defgroup WWDG_Flag_definition + * @brief WWDG Flag definition + * @{ + */ +#define WWDG_FLAG_EWIF ((uint32_t)0x0001) /*!< Early wakeup interrupt flag */ + +#define IS_WWDG_FLAG(FLAG) ((FLAG) == WWDG_FLAG_EWIF)) + +/** + * @} + */ + +/** @defgroup WWDG_Prescaler + * @{ + */ +#define WWDG_PRESCALER_1 ((uint32_t)0x00000000) /*!< WWDG counter clock = (PCLK1/4096)/1 */ +#define WWDG_PRESCALER_2 ((uint32_t)0x00000080) /*!< WWDG counter clock = (PCLK1/4096)/2 */ +#define WWDG_PRESCALER_4 ((uint32_t)0x00000100) /*!< WWDG counter clock = (PCLK1/4096)/4 */ +#define WWDG_PRESCALER_8 ((uint32_t)0x00000180) /*!< WWDG counter clock = (PCLK1/4096)/8 */ + +#define IS_WWDG_PRESCALER(PRESCALER) (((PRESCALER) == WWDG_PRESCALER_1) || \ + ((PRESCALER) == WWDG_PRESCALER_2) || \ + ((PRESCALER) == WWDG_PRESCALER_4) || \ + ((PRESCALER) == WWDG_PRESCALER_8)) + +/** + * @} + */ + +/** @defgroup WWDG_Window + * @{ + */ +#define IS_WWDG_WINDOW(WINDOW) ((WINDOW) <= 0x7F) + +/** + * @} + */ + +/** @defgroup WWDG_Counter + * @{ + */ +#define IS_WWDG_COUNTER(COUNTER) (((COUNTER) >= 0x40) && ((COUNTER) <= 0x7F)) + +/** + * @} + */ + +/** + * @} + */ + +/* Exported macro ------------------------------------------------------------*/ + +/** + * @brief Enables the WWDG peripheral. + * @param __HANDLE__: WWDG handle + * @retval None + */ +#define __HAL_WWDG_ENABLE(__HANDLE__) ((__HANDLE__)->Instance->CR |= WWDG_CR_WDGA) + +/** + * @brief Gets the selected WWDG's flag status. + * @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 Enables the WWDG early wakeup interrupt. + * @note Once enabled this interrupt cannot be disabled except by a system reset. + * @retval None + */ +#define __HAL_WWDG_ENABLE_IT(__INTERRUPT__) (*(__IO uint32_t *) CFR_BASE |= (__INTERRUPT__)) + + +/* Exported functions --------------------------------------------------------*/ + +/* Initialization/de-initialization functions **********************************/ +HAL_StatusTypeDef HAL_WWDG_Init(WWDG_HandleTypeDef *hwwdg); +HAL_StatusTypeDef HAL_WWDG_DeInit(WWDG_HandleTypeDef *hwwdg); +void HAL_WWDG_MspInit(WWDG_HandleTypeDef *hwwdg); +void HAL_WWDG_MspDeInit(WWDG_HandleTypeDef *hwwdg); +void HAL_WWDG_WakeupCallback(WWDG_HandleTypeDef* hwwdg); + +/* I/O operation functions ******************************************************/ +HAL_StatusTypeDef HAL_WWDG_Start(WWDG_HandleTypeDef *hwwdg); +HAL_StatusTypeDef HAL_WWDG_Start_IT(WWDG_HandleTypeDef *hwwdg); +HAL_StatusTypeDef HAL_WWDG_Refresh(WWDG_HandleTypeDef *hwwdg, uint32_t Counter); +void HAL_WWDG_IRQHandler(WWDG_HandleTypeDef *hwwdg); + +/* Peripheral State functions **************************************************/ +HAL_WWDG_StateTypeDef HAL_WWDG_GetState(WWDG_HandleTypeDef *hwwdg); + +/** + * @} + */ + +/** + * @} + */ + +#ifdef __cplusplus +} +#endif + +#endif /* __STM32F4xx_HAL_WWDG_H */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |