text: /**
    ******************************************************************************
    * @file    stm32f1xx_hal_pwr.h
    * @author  MCD Application Team
    * @version V1.0.1
    * @date    31-July-2015
    * @brief   Header file of PWR HAL module.
    ******************************************************************************
    * @attention
    *
    * <h2><center>&copy; COPYRIGHT(c) 2015 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_PWR_H
  #define __STM32F1xx_HAL_PWR_H
  
  #ifdef __cplusplus
   extern "C" {
  #endif
  
  /* Includes ------------------------------------------------------------------*/
  #include "stm32f1xx_hal_def.h"
  
  /** @addtogroup STM32F1xx_HAL_Driver
    * @{
    */
  
  /** @addtogroup PWR
    * @{
    */
  
  /* Exported types ------------------------------------------------------------*/
  
  /** @defgroup PWR_Exported_Types PWR Exported Types
    * @{
    */ 
  
  /**
    * @brief  PWR PVD configuration structure definition
    */
  typedef struct
  {
    uint32_t PVDLevel;   /*!< PVDLevel: Specifies the PVD detection level.
                              This parameter can be a value of @ref PWR_PVD_detection_level */
  
    uint32_t Mode;      /*!< Mode: Specifies the operating mode for the selected pins.
                             This parameter can be a value of @ref PWR_PVD_Mode */
  }PWR_PVDTypeDef;
  
  
  /**
    * @}
    */
  
  
  /* Internal constants --------------------------------------------------------*/
  
  /** @addtogroup PWR_Private_Constants
    * @{
    */ 
  
  #define PWR_EXTI_LINE_PVD  ((uint32_t)0x00010000)  /*!< External interrupt line 16 Connected to the PVD EXTI Line */
  
  /**
    * @}
    */
  
   
  /* Exported constants --------------------------------------------------------*/
  
  /** @defgroup PWR_Exported_Constants PWR Exported Constants
    * @{
    */ 
  
  /** @defgroup PWR_PVD_detection_level PWR PVD detection level
    * @{
    */
  #define PWR_PVDLEVEL_0                  PWR_CR_PLS_2V2
  #define PWR_PVDLEVEL_1                  PWR_CR_PLS_2V3
  #define PWR_PVDLEVEL_2                  PWR_CR_PLS_2V4
  #define PWR_PVDLEVEL_3                  PWR_CR_PLS_2V5
  #define PWR_PVDLEVEL_4                  PWR_CR_PLS_2V6
  #define PWR_PVDLEVEL_5                  PWR_CR_PLS_2V7
  #define PWR_PVDLEVEL_6                  PWR_CR_PLS_2V8
  #define PWR_PVDLEVEL_7                  PWR_CR_PLS_2V9 
                                                            
  /**
    * @}
    */
  
  /** @defgroup PWR_PVD_Mode PWR PVD Mode
    * @{
    */
  #define PWR_PVD_MODE_NORMAL                 ((uint32_t)0x00000000)   /*!< basic mode is used */
  #define PWR_PVD_MODE_IT_RISING              ((uint32_t)0x00010001)   /*!< External Interrupt Mode with Rising edge trigger detection */
  #define PWR_PVD_MODE_IT_FALLING             ((uint32_t)0x00010002)   /*!< External Interrupt Mode with Falling edge trigger detection */
  #define PWR_PVD_MODE_IT_RISING_FALLING      ((uint32_t)0x00010003)   /*!< External Interrupt Mode with Rising/Falling edge trigger detection */
  #define PWR_PVD_MODE_EVENT_RISING           ((uint32_t)0x00020001)   /*!< Event Mode with Rising edge trigger detection */
  #define PWR_PVD_MODE_EVENT_FALLING          ((uint32_t)0x00020002)   /*!< Event Mode with Falling edge trigger detection */
  #define PWR_PVD_MODE_EVENT_RISING_FALLING   ((uint32_t)0x00020003)   /*!< Event Mode with Rising/Falling edge trigger detection */
  
  /**
    * @}
    */
  
  
  /** @defgroup PWR_WakeUp_Pins PWR WakeUp Pins
    * @{
    */
  
  #define PWR_WAKEUP_PIN1                 PWR_CSR_EWUP
  
  /**
    * @}
    */
  
  /** @defgroup PWR_Regulator_state_in_SLEEP_STOP_mode PWR Regulator state in SLEEP/STOP mode
    * @{
    */
  #define PWR_MAINREGULATOR_ON                        ((uint32_t)0x00000000)
  #define PWR_LOWPOWERREGULATOR_ON                    PWR_CR_LPDS
  
  /**
    * @}
    */
  
  /** @defgroup PWR_SLEEP_mode_entry PWR SLEEP mode entry
    * @{
    */
  #define PWR_SLEEPENTRY_WFI              ((uint8_t)0x01)
  #define PWR_SLEEPENTRY_WFE              ((uint8_t)0x02)
  
  /**
    * @}
    */
  
  /** @defgroup PWR_STOP_mode_entry PWR STOP mode entry
    * @{
    */
  #define PWR_STOPENTRY_WFI               ((uint8_t)0x01)
  #define PWR_STOPENTRY_WFE               ((uint8_t)0x02)
  
  /**
    * @}
    */
  
  /** @defgroup PWR_Flag PWR Flag
    * @{
    */
  #define PWR_FLAG_WU                     PWR_CSR_WUF
  #define PWR_FLAG_SB                     PWR_CSR_SBF
  #define PWR_FLAG_PVDO                   PWR_CSR_PVDO
  
  
  /**
    * @}
    */
  
  /**
    * @}
    */
  
  /* Exported macro ------------------------------------------------------------*/
  /** @defgroup PWR_Exported_Macros PWR Exported Macros
    * @{
    */
  
  /** @brief  Check PWR flag is set or not.
    * @param  __FLAG__: specifies the flag to check.
    *           This parameter can be one of the following values:
    *            @arg PWR_FLAG_WU: Wake Up flag. This flag indicates that a wakeup event
    *                  was received from the WKUP pin or from the RTC alarm
    *                  An additional wakeup event is detected if the WKUP pin is enabled
    *                  (by setting the EWUP bit) when the WKUP pin level is already high.
    *            @arg PWR_FLAG_SB: StandBy flag. This flag indicates that the system was
    *                  resumed from StandBy mode.
    *            @arg PWR_FLAG_PVDO: PVD Output. This flag is valid only if PVD is enabled
    *                  by the HAL_PWR_EnablePVD() function. The PVD is stopped by Standby mode
    *                  For this reason, this bit is equal to 0 after Standby or reset
    *                  until the PVDE bit is set.
    * @retval The new state of __FLAG__ (TRUE or FALSE).
    */
  #define __HAL_PWR_GET_FLAG(__FLAG__) ((PWR->CSR & (__FLAG__)) == (__FLAG__))
  
  /** @brief  Clear the PWR's pending flags.
    * @param  __FLAG__: specifies the flag to clear.
    *          This parameter can be one of the following values:
    *            @arg PWR_FLAG_WU: Wake Up flag
    *            @arg PWR_FLAG_SB: StandBy flag
    */
  #define __HAL_PWR_CLEAR_FLAG(__FLAG__) SET_BIT(PWR->CR, ((__FLAG__) << 2))
  
  /**
    * @brief Enable interrupt on PVD Exti Line 16.
    * @retval None.
    */
  #define __HAL_PWR_PVD_EXTI_ENABLE_IT()      SET_BIT(EXTI->IMR, PWR_EXTI_LINE_PVD)
  
  /**
    * @brief Disable interrupt on PVD Exti Line 16. 
    * @retval None.
    */
  #define __HAL_PWR_PVD_EXTI_DISABLE_IT()     CLEAR_BIT(EXTI->IMR, PWR_EXTI_LINE_PVD)
  
  /**
    * @brief Enable event on PVD Exti Line 16.
    * @retval None.
    */
  #define __HAL_PWR_PVD_EXTI_ENABLE_EVENT()   SET_BIT(EXTI->EMR, PWR_EXTI_LINE_PVD)
  
  /**
    * @brief Disable event on PVD Exti Line 16.
    * @retval None.
    */
  #define __HAL_PWR_PVD_EXTI_DISABLE_EVENT()  CLEAR_BIT(EXTI->EMR, PWR_EXTI_LINE_PVD)
  
  
  /**
    * @brief  PVD EXTI line configuration: set falling edge trigger.  
    * @retval None.
    */
  #define __HAL_PWR_PVD_EXTI_ENABLE_FALLING_EDGE()  SET_BIT(EXTI->FTSR, PWR_EXTI_LINE_PVD)
  
  
  /**
    * @brief Disable the PVD Extended Interrupt Falling Trigger.
    * @retval None.
    */
  #define __HAL_PWR_PVD_EXTI_DISABLE_FALLING_EDGE()  CLEAR_BIT(EXTI->FTSR, PWR_EXTI_LINE_PVD)
  
  
  /**
    * @brief  PVD EXTI line configuration: set rising edge trigger.
    * @retval None.
    */
  #define __HAL_PWR_PVD_EXTI_ENABLE_RISING_EDGE()   SET_BIT(EXTI->RTSR, PWR_EXTI_LINE_PVD)
  
  /**
    * @brief Disable the PVD Extended Interrupt Rising Trigger.
    * This parameter can be:
    * @retval None.
    */
  #define __HAL_PWR_PVD_EXTI_DISABLE_RISING_EDGE()  CLEAR_BIT(EXTI->RTSR, PWR_EXTI_LINE_PVD)
  
  /**
    * @brief  PVD EXTI line configuration: set rising & falling edge trigger.
    * @retval None.
    */
  #define __HAL_PWR_PVD_EXTI_ENABLE_RISING_FALLING_EDGE()   __HAL_PWR_PVD_EXTI_ENABLE_RISING_EDGE();__HAL_PWR_PVD_EXTI_ENABLE_FALLING_EDGE();
  
  /**
    * @brief Disable the PVD Extended Interrupt Rising & Falling Trigger.
    * This parameter can be:
    * @retval None.
    */
  #define __HAL_PWR_PVD_EXTI_DISABLE_RISING_FALLING_EDGE()  __HAL_PWR_PVD_EXTI_DISABLE_RISING_EDGE();__HAL_PWR_PVD_EXTI_DISABLE_FALLING_EDGE();
  
  
  
  /**
    * @brief Check whether the specified PVD EXTI interrupt flag is set or not.
    * @retval EXTI PVD Line Status.
    */
  #define __HAL_PWR_PVD_EXTI_GET_FLAG()       (EXTI->PR & (PWR_EXTI_LINE_PVD))
  
  /**
    * @brief Clear the PVD EXTI flag.
    * @retval None.
    */
  #define __HAL_PWR_PVD_EXTI_CLEAR_FLAG()     (EXTI->PR = (PWR_EXTI_LINE_PVD))
  
  /**
    * @brief Generate a Software interrupt on selected EXTI line.
    * @retval None.
    */
  #define __HAL_PWR_PVD_EXTI_GENERATE_SWIT()  SET_BIT(EXTI->SWIER, PWR_EXTI_LINE_PVD)
  /**
    * @}
    */
  
  /* Private macro -------------------------------------------------------------*/
  /** @defgroup PWR_Private_Macros PWR Private Macros
    * @{
    */
  #define IS_PWR_PVD_LEVEL(LEVEL) (((LEVEL) == PWR_PVDLEVEL_0) || ((LEVEL) == PWR_PVDLEVEL_1)|| \
                                   ((LEVEL) == PWR_PVDLEVEL_2) || ((LEVEL) == PWR_PVDLEVEL_3)|| \
                                   ((LEVEL) == PWR_PVDLEVEL_4) || ((LEVEL) == PWR_PVDLEVEL_5)|| \
                                   ((LEVEL) == PWR_PVDLEVEL_6) || ((LEVEL) == PWR_PVDLEVEL_7))
  
  
  #define IS_PWR_PVD_MODE(MODE) (((MODE) == PWR_PVD_MODE_IT_RISING)|| ((MODE) == PWR_PVD_MODE_IT_FALLING) || \
                                ((MODE) == PWR_PVD_MODE_IT_RISING_FALLING) || ((MODE) == PWR_PVD_MODE_EVENT_RISING) || \
                                ((MODE) == PWR_PVD_MODE_EVENT_FALLING) || ((MODE) == PWR_PVD_MODE_EVENT_RISING_FALLING) || \
                                ((MODE) == PWR_PVD_MODE_NORMAL)) 
  
  #define IS_PWR_WAKEUP_PIN(PIN) (((PIN) == PWR_WAKEUP_PIN1))
  
  #define IS_PWR_REGULATOR(REGULATOR) (((REGULATOR) == PWR_MAINREGULATOR_ON) || \
                                       ((REGULATOR) == PWR_LOWPOWERREGULATOR_ON))
  
  #define IS_PWR_SLEEP_ENTRY(ENTRY) (((ENTRY) == PWR_SLEEPENTRY_WFI) || ((ENTRY) == PWR_SLEEPENTRY_WFE))
  
  #define IS_PWR_STOP_ENTRY(ENTRY) (((ENTRY) == PWR_STOPENTRY_WFI) || ((ENTRY) == PWR_STOPENTRY_WFE))
  
  /**
    * @}
    */
  
  
  
  /* Exported functions --------------------------------------------------------*/
  
  /** @addtogroup PWR_Exported_Functions PWR Exported Functions
    * @{
    */
    
  /** @addtogroup PWR_Exported_Functions_Group1 Initialization and de-initialization functions 
    * @{
    */
  
  /* Initialization and de-initialization functions *******************************/
  void HAL_PWR_DeInit(void);
  void HAL_PWR_EnableBkUpAccess(void);
  void HAL_PWR_DisableBkUpAccess(void);
  
  /**
    * @}
    */
  
  /** @addtogroup PWR_Exported_Functions_Group2 Peripheral Control functions 
    * @{
    */
  
  /* Peripheral Control functions  ************************************************/
  void HAL_PWR_ConfigPVD(PWR_PVDTypeDef *sConfigPVD);
  /* #define HAL_PWR_ConfigPVD 12*/
  void HAL_PWR_EnablePVD(void);
  void HAL_PWR_DisablePVD(void);
  
  /* WakeUp pins configuration functions ****************************************/
  void HAL_PWR_EnableWakeUpPin(uint32_t WakeUpPinx);
  void HAL_PWR_DisableWakeUpPin(uint32_t WakeUpPinx);
  
  /* Low Power modes configuration functions ************************************/
  void HAL_PWR_EnterSTOPMode(uint32_t Regulator, uint8_t STOPEntry);
  void HAL_PWR_EnterSLEEPMode(uint32_t Regulator, uint8_t SLEEPEntry);
  void HAL_PWR_EnterSTANDBYMode(void);
  
  void HAL_PWR_EnableSleepOnExit(void);
  void HAL_PWR_DisableSleepOnExit(void);
  void HAL_PWR_EnableSEVOnPend(void);
  void HAL_PWR_DisableSEVOnPend(void);
  
  
  
  void HAL_PWR_PVD_IRQHandler(void);
  void HAL_PWR_PVDCallback(void);
  /**
    * @}
    */
  
  /**
    * @}
    */
  
  /**
    * @}
    */
  
  /**
    * @}
    */
  
  #ifdef __cplusplus
  }
  #endif
  
  
  #endif /* __STM32F1xx_HAL_PWR_H */
  
  /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
  