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stmbl/lib/STM32F3xx_HAL_Driver/Inc/stm32f3xx_hal_wwdg.h
2017-01-18 14:38:39 +01:00

286 lines
9.8 KiB
C

/**
******************************************************************************
* @file stm32f3xx_hal_wwdg.h
* @author MCD Application Team
* @version V1.3.0
* @date 01-July-2016
* @brief Header file of WWDG HAL module.
******************************************************************************
* @attention
*
* <h2><center>&copy; 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 __STM32F3xx_HAL_WWDG_H
#define __STM32F3xx_HAL_WWDG_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32f3xx_hal_def.h"
/** @addtogroup STM32F3xx_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_WDGTB_0 /*!< WWDG counter clock = (PCLK1/4096)/2 */
#define WWDG_PRESCALER_4 WWDG_CFR_WDGTB_1 /*!< 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 Enable the WWDG peripheral.
* @param __HANDLE__ WWDG handle
* @retval None
*/
#define __HAL_WWDG_ENABLE(__HANDLE__) SET_BIT((__HANDLE__)->Instance->CR, WWDG_CR_WDGA)
/**
* @brief Enable 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 Check 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 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 Clear 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 Check whether the specified WWDG interrupt source is enabled or not.
* @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 /* __STM32F3xx_HAL_WWDG_H */
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/