kopia lustrzana https://github.com/micropython/micropython
269 wiersze
9.3 KiB
C
269 wiersze
9.3 KiB
C
/**
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******************************************************************************
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* @file stm32f4xx_hal_wwdg.h
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* @author MCD Application Team
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* @version V1.1.0
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* @date 19-June-2014
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* @brief Header file of WWDG HAL module.
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******************************************************************************
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* @attention
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*
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* <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of STMicroelectronics nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************
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*/
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef __STM32F4xx_HAL_WWDG_H
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#define __STM32F4xx_HAL_WWDG_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Includes ------------------------------------------------------------------*/
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#include "stm32f4xx_hal_def.h"
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/** @addtogroup STM32F4xx_HAL_Driver
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* @{
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*/
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/** @addtogroup WWDG
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* @{
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*/
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/* Exported types ------------------------------------------------------------*/
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/**
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* @brief WWDG HAL State Structure definition
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*/
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typedef enum
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{
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HAL_WWDG_STATE_RESET = 0x00, /*!< WWDG not yet initialized or disabled */
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HAL_WWDG_STATE_READY = 0x01, /*!< WWDG initialized and ready for use */
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HAL_WWDG_STATE_BUSY = 0x02, /*!< WWDG internal process is ongoing */
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HAL_WWDG_STATE_TIMEOUT = 0x03, /*!< WWDG timeout state */
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HAL_WWDG_STATE_ERROR = 0x04 /*!< WWDG error state */
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}HAL_WWDG_StateTypeDef;
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/**
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* @brief WWDG Init structure definition
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*/
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typedef struct
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{
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uint32_t Prescaler; /*!< Specifies the prescaler value of the WWDG.
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This parameter can be a value of @ref WWDG_Prescaler */
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uint32_t Window; /*!< Specifies the WWDG window value to be compared to the downcounter.
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This parameter must be a number lower than Max_Data = 0x80 */
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uint32_t Counter; /*!< Specifies the WWDG free-running downcounter value.
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This parameter must be a number between Min_Data = 0x40 and Max_Data = 0x7F */
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}WWDG_InitTypeDef;
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/**
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* @brief WWDG handle Structure definition
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*/
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typedef struct
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{
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WWDG_TypeDef *Instance; /*!< Register base address */
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WWDG_InitTypeDef Init; /*!< WWDG required parameters */
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HAL_LockTypeDef Lock; /*!< WWDG locking object */
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__IO HAL_WWDG_StateTypeDef State; /*!< WWDG communication state */
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}WWDG_HandleTypeDef;
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/* Exported constants --------------------------------------------------------*/
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/** @defgroup WWDG_Exported_Constants
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* @{
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*/
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/** @defgroup WWDG_BitAddress_AliasRegion
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* @brief WWDG registers bit address in the alias region
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* @{
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*/
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/* --- CFR Register ---*/
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/* Alias word address of EWI bit */
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#define CFR_BASE (uint32_t)(WWDG_BASE + 0x04)
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/**
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* @}
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*/
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/** @defgroup WWDG_Interrupt_definition
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* @{
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*/
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#define WWDG_IT_EWI ((uint32_t)WWDG_CFR_EWI)
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#define IS_WWDG_IT(__IT__) ((__IT__) == WWDG_IT_EWI)
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/**
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* @}
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*/
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/** @defgroup WWDG_Flag_definition
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* @brief WWDG Flag definition
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* @{
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*/
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#define WWDG_FLAG_EWIF ((uint32_t)WWDG_SR_EWIF) /*!< Early wakeup interrupt flag */
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#define IS_WWDG_FLAG(__FLAG__) ((__FLAG__) == WWDG_FLAG_EWIF))
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/**
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* @}
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*/
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/** @defgroup WWDG_Prescaler
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* @{
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*/
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#define WWDG_PRESCALER_1 ((uint32_t)0x00000000) /*!< WWDG counter clock = (PCLK1/4096)/1 */
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#define WWDG_PRESCALER_2 ((uint32_t)WWDG_CFR_WDGTB0) /*!< WWDG counter clock = (PCLK1/4096)/2 */
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#define WWDG_PRESCALER_4 ((uint32_t)WWDG_CFR_WDGTB1) /*!< WWDG counter clock = (PCLK1/4096)/4 */
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#define WWDG_PRESCALER_8 ((uint32_t)WWDG_CFR_WDGTB) /*!< WWDG counter clock = (PCLK1/4096)/8 */
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#define IS_WWDG_PRESCALER(__PRESCALER__) (((__PRESCALER__) == WWDG_PRESCALER_1) || \
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((__PRESCALER__) == WWDG_PRESCALER_2) || \
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((__PRESCALER__) == WWDG_PRESCALER_4) || \
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((__PRESCALER__) == WWDG_PRESCALER_8))
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/**
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* @}
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*/
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/** @defgroup WWDG_Window
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* @{
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*/
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#define IS_WWDG_WINDOW(__WINDOW__) ((__WINDOW__) <= 0x7F)
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/**
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* @}
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*/
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/** @defgroup WWDG_Counter
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* @{
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*/
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#define IS_WWDG_COUNTER(__COUNTER__) (((__COUNTER__) >= 0x40) && ((__COUNTER__) <= 0x7F))
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/**
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* @}
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*/
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/**
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* @}
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*/
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/* Exported macro ------------------------------------------------------------*/
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/** @brief Reset WWDG handle state
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* @param __HANDLE__: WWDG handle
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* @retval None
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*/
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#define __HAL_WWDG_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_WWDG_STATE_RESET)
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/**
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* @brief Enables the WWDG peripheral.
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* @param __HANDLE__: WWDG handle
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* @retval None
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*/
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#define __HAL_WWDG_ENABLE(__HANDLE__) SET_BIT((__HANDLE__)->Instance->CR, WWDG_CR_WDGA)
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/**
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* @brief Gets the selected WWDG's flag status.
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* @param __HANDLE__: WWDG handle
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* @param __FLAG__: specifies the flag to check.
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* This parameter can be one of the following values:
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* @arg WWDG_FLAG_EWIF: Early wakeup interrupt flag
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* @retval The new state of WWDG_FLAG (SET or RESET).
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*/
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#define __HAL_WWDG_GET_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR & (__FLAG__)) == (__FLAG__))
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/**
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* @brief Clears the WWDG's pending flags.
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* @param __HANDLE__: WWDG handle
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* @param __FLAG__: specifies the flag to clear.
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* This parameter can be one of the following values:
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* @arg WWDG_FLAG_EWIF: Early wakeup interrupt flag
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* @retval None
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*/
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#define __HAL_WWDG_CLEAR_FLAG(__HANDLE__, __FLAG__) (((__HANDLE__)->Instance->SR) = ~(__FLAG__))
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/**
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* @brief Enables the WWDG early wakeup interrupt.
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* @param __INTERRUPT__: specifies the interrupt to enable.
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* This parameter can be one of the following values:
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* @arg WWDG_IT_EWI: Early wakeup interrupt
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* @note Once enabled this interrupt cannot be disabled except by a system reset.
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* @retval None
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*/
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#define __HAL_WWDG_ENABLE_IT(__INTERRUPT__) (*(__IO uint32_t *) CFR_BASE |= (__INTERRUPT__))
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/** @brief Clear the WWDG's interrupt pending bits
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* bits to clear the selected interrupt pending bits.
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* @param __HANDLE__: WWDG handle
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* @param __INTERRUPT__: specifies the interrupt pending bit to clear.
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* This parameter can be one of the following values:
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* @arg WWDG_FLAG_EWIF: Early wakeup interrupt flag
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*/
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#define __HAL_WWDG_CLEAR_IT(__HANDLE__, __INTERRUPT__) __HAL_WWDG_CLEAR_FLAG((__HANDLE__), (__INTERRUPT__))
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/* Exported functions --------------------------------------------------------*/
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/* Initialization/de-initialization functions **********************************/
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HAL_StatusTypeDef HAL_WWDG_Init(WWDG_HandleTypeDef *hwwdg);
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HAL_StatusTypeDef HAL_WWDG_DeInit(WWDG_HandleTypeDef *hwwdg);
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void HAL_WWDG_MspInit(WWDG_HandleTypeDef *hwwdg);
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void HAL_WWDG_MspDeInit(WWDG_HandleTypeDef *hwwdg);
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void HAL_WWDG_WakeupCallback(WWDG_HandleTypeDef* hwwdg);
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/* I/O operation functions ******************************************************/
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HAL_StatusTypeDef HAL_WWDG_Start(WWDG_HandleTypeDef *hwwdg);
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HAL_StatusTypeDef HAL_WWDG_Start_IT(WWDG_HandleTypeDef *hwwdg);
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HAL_StatusTypeDef HAL_WWDG_Refresh(WWDG_HandleTypeDef *hwwdg, uint32_t Counter);
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void HAL_WWDG_IRQHandler(WWDG_HandleTypeDef *hwwdg);
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/* Peripheral State functions **************************************************/
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HAL_WWDG_StateTypeDef HAL_WWDG_GetState(WWDG_HandleTypeDef *hwwdg);
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/**
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* @}
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*/
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/**
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* @}
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*/
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#ifdef __cplusplus
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}
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#endif
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#endif /* __STM32F4xx_HAL_WWDG_H */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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