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 /**
   ******************************************************************************
   * @file    stm32h7xx_hal_rtc_ex.c
   * @author  MCD Application Team
   * @brief   Extended RTC HAL module driver.
   *          This file provides firmware functions to manage the following
   *          functionalities of the Real Time Clock (RTC) Extended peripheral:
   *           + RTC Time Stamp functions
   *           + RTC Tamper functions
   *           + RTC Wake-up functions
   *           + Extended Control functions
   *           + Extended RTC features functions
   *
   ******************************************************************************
   * @attention
   *
   * Copyright (c) 2017 STMicroelectronics.
   * All rights reserved.
   *
   * This software is licensed under terms that can be found in the LICENSE file
   * in the root directory of this software component.
   * If no LICENSE file comes with this software, it is provided AS-IS.
   *
   ******************************************************************************
   @verbatim
   ==============================================================================
                   ##### How to use this driver #####
   ==============================================================================
   [..]
     (+) Enable the RTC domain access.
     (+) Configure the RTC Prescaler (Asynchronous and Synchronous) and RTC hour
         format using the HAL_RTC_Init() function.
 
   *** RTC Wakeup configuration ***
   ================================
   [..]
     (+) To configure the RTC Wakeup Clock source and Counter use the HAL_RTCEx_SetWakeUpTimer()
         function. You can also configure the RTC Wakeup timer with interrupt mode
         using the HAL_RTCEx_SetWakeUpTimer_IT() function.
     (+) To read the RTC WakeUp Counter register, use the HAL_RTCEx_GetWakeUpTimer()
         function.
 
   *** Outputs configuration ***
   =============================
   [..]  The RTC has 2 different outputs:
     (+) RTC_ALARM: this output is used to manage the RTC Alarm A, Alarm B
         and WaKeUp signals.
         To output the selected RTC signal, use the HAL_RTC_Init() function.
     (+) RTC_CALIB: this output is 512Hz signal or 1Hz.
         To enable the RTC_CALIB, use the HAL_RTCEx_SetCalibrationOutPut() function.
     (+) Two pins can be used as RTC_ALARM or RTC_CALIB (PC13, PB2) managed on
         the RTC_OR register.
     (+) When the RTC_CALIB or RTC_ALARM output is selected, the RTC_OUT pin is
         automatically configured in output alternate function.
 
   *** Smooth digital Calibration configuration ***
   ================================================
   [..]
     (+) Configure the RTC Original Digital Calibration Value and the corresponding
         calibration cycle period (32s,16s and 8s) using the HAL_RTCEx_SetSmoothCalib()
         function.
 
   *** TimeStamp configuration ***
   ===============================
   [..]
     (+) Enable the RTC TimeStamp using the HAL_RTCEx_SetTimeStamp() function.
         You can also configure the RTC TimeStamp with interrupt mode using the
         HAL_RTCEx_SetTimeStamp_IT() function.
     (+) To read the RTC TimeStamp Time and Date register, use the HAL_RTCEx_GetTimeStamp()
         function.
 
   *** Internal TimeStamp configuration ***
   ===============================
   [..]
     (+) Enable the RTC internal TimeStamp using the HAL_RTCEx_SetInternalTimeStamp() function.
         User has to check internal timestamp occurrence using __HAL_RTC_INTERNAL_TIMESTAMP_GET_FLAG.
     (+) To read the RTC TimeStamp Time and Date register, use the HAL_RTCEx_GetTimeStamp()
         function.
 
   *** Tamper configuration ***
   ============================
   [..]
     (+) Enable the RTC Tamper and configure the Tamper filter count, trigger Edge
         or Level according to the Tamper filter (if equal to 0 Edge else Level)
         value, sampling frequency, NoErase, MaskFlag,  precharge or discharge and
         Pull-UP using the HAL_RTCEx_SetTamper() function. You can configure RTC Tamper
         with interrupt mode using HAL_RTCEx_SetTamper_IT() function.
     (+) The default configuration of the Tamper erases the backup registers. To avoid
         erase, enable the NoErase field on the RTC_TAMPCR register.
 
   *** Backup Data Registers configuration ***
   ===========================================
   [..]
     (+) To write to the RTC Backup Data registers, use the HAL_RTCEx_BKUPWrite()
         function.
     (+) To read the RTC Backup Data registers, use the HAL_RTCEx_BKUPRead()
         function.
 
    @endverbatim
   */
 
 /* Includes ------------------------------------------------------------------*/
 #include "stm32h7xx_hal.h"
 
 /** @addtogroup STM32H7xx_HAL_Driver
   * @{
   */
 
 /** @addtogroup RTCEx
   * @brief RTC Extended HAL module driver
   * @{
   */
 
 #ifdef HAL_RTC_MODULE_ENABLED
 
 /* Private typedef -----------------------------------------------------------*/
 /* Private define ------------------------------------------------------------*/
 #define TAMP_ALL (TAMP_CR1_TAMP1E | TAMP_CR1_TAMP2E | TAMP_CR1_TAMP3E)
 
 /* Private macro -------------------------------------------------------------*/
 /* Private variables ---------------------------------------------------------*/
 /* Private function prototypes -----------------------------------------------*/
 /* Exported functions --------------------------------------------------------*/
 
 /** @addtogroup RTCEx_Exported_Functions
   * @{
   */
 
 
 /** @addtogroup RTCEx_Exported_Functions_Group1
  *  @brief   RTC TimeStamp and Tamper functions
   *
 @verbatim
  ===============================================================================
                  ##### RTC TimeStamp and Tamper functions #####
  ===============================================================================
 
  [..] This section provides functions allowing to configure TimeStamp feature
 
 @endverbatim
   * @{
   */
 
 /**
   * @brief  Set TimeStamp.
   * @note   This API must be called before enabling the TimeStamp feature.
   * @param  hrtc RTC handle
   * @param  TimeStampEdge Specifies the pin edge on which the TimeStamp is
   *         activated.
   *          This parameter can be one of the following values:
   *             @arg RTC_TIMESTAMPEDGE_RISING: the Time stamp event occurs on the
   *                                        rising edge of the related pin.
   *             @arg RTC_TIMESTAMPEDGE_FALLING: the Time stamp event occurs on the
   *                                         falling edge of the related pin.
   * @param  RTC_TimeStampPin specifies the RTC TimeStamp Pin.
   *          This parameter can be one of the following values:
   *             @arg RTC_TIMESTAMPPIN_DEFAULT: PC13 is selected as RTC TimeStamp Pin.
   *               The RTC TimeStamp Pin is per default PC13, but for reasons of
   *               compatibility, this parameter is required.
   * @retval HAL status
   */
 HAL_StatusTypeDef HAL_RTCEx_SetTimeStamp(RTC_HandleTypeDef *hrtc, uint32_t TimeStampEdge, uint32_t RTC_TimeStampPin)
 {
   uint32_t tmpreg;
 
   /* Check the parameters */
   assert_param(IS_TIMESTAMP_EDGE(TimeStampEdge));
   assert_param(IS_RTC_TIMESTAMP_PIN(RTC_TimeStampPin));
 
   /* Prevent unused argument(s) compilation warning if no assert_param check */
   UNUSED(RTC_TimeStampPin);
 
   /* Process Locked */
   __HAL_LOCK(hrtc);
 
   hrtc->State = HAL_RTC_STATE_BUSY;
 
   /* Get the RTC_CR register and clear the bits to be configured */
   tmpreg = (uint32_t)(hrtc->Instance->CR & (uint32_t)~(RTC_CR_TSEDGE | RTC_CR_TSE));
 
   tmpreg |= TimeStampEdge;
 
   /* Disable the write protection for RTC registers */
   __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
 
   /* Configure the Time Stamp TSEDGE and Enable bits */
   hrtc->Instance->CR = (uint32_t)tmpreg;
 
   __HAL_RTC_TIMESTAMP_ENABLE(hrtc);
 
   /* Enable the write protection for RTC registers */
   __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
 
   /* Change RTC state */
   hrtc->State = HAL_RTC_STATE_READY;
 
   /* Process Unlocked */
   __HAL_UNLOCK(hrtc);
 
   return HAL_OK;
 }
 
 /**
   * @brief  Set TimeStamp with Interrupt.
   * @note   This API must be called before enabling the TimeStamp feature.
   * @param  hrtc RTC handle
   * @param  TimeStampEdge Specifies the pin edge on which the TimeStamp is
   *         activated.
   *          This parameter can be one of the following values:
   *             @arg RTC_TIMESTAMPEDGE_RISING: the Time stamp event occurs on the
   *                                        rising edge of the related pin.
   *             @arg RTC_TIMESTAMPEDGE_FALLING: the Time stamp event occurs on the
   *                                         falling edge of the related pin.
   * @param  RTC_TimeStampPin Specifies the RTC TimeStamp Pin.
   *          This parameter can be one of the following values:
   *             @arg RTC_TIMESTAMPPIN_DEFAULT: PC13 is selected as RTC TimeStamp Pin.
   *               The RTC TimeStamp Pin is per default PC13, but for reasons of
   *               compatibility, this parameter is required.
   * @retval HAL status
   */
 HAL_StatusTypeDef HAL_RTCEx_SetTimeStamp_IT(RTC_HandleTypeDef *hrtc, uint32_t TimeStampEdge, uint32_t RTC_TimeStampPin)
 {
   uint32_t tmpreg;
 
   /* Check the parameters */
   assert_param(IS_TIMESTAMP_EDGE(TimeStampEdge));
   assert_param(IS_RTC_TIMESTAMP_PIN(RTC_TimeStampPin));
 
   /* Prevent unused argument(s) compilation warning if no assert_param check */
   UNUSED(RTC_TimeStampPin);
 
   /* Process Locked */
   __HAL_LOCK(hrtc);
 
   hrtc->State = HAL_RTC_STATE_BUSY;
 
   /* Get the RTC_CR register and clear the bits to be configured */
   tmpreg = (uint32_t)(hrtc->Instance->CR & (uint32_t)~(RTC_CR_TSEDGE | RTC_CR_TSE));
 
   tmpreg |= TimeStampEdge;
 
   /* Disable the write protection for RTC registers */
   __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
 
   /* Configure the Time Stamp TSEDGE and Enable bits */
   hrtc->Instance->CR = (uint32_t)tmpreg;
 
   __HAL_RTC_TIMESTAMP_ENABLE(hrtc);
 
   /* Enable IT timestamp */
   __HAL_RTC_TIMESTAMP_ENABLE_IT(hrtc, RTC_IT_TS);
 
   /* RTC timestamp Interrupt Configuration: EXTI configuration */
 #if defined(DUAL_CORE)
   if (HAL_GetCurrentCPUID() == CM7_CPUID)
   {
     __HAL_RTC_TAMPER_TIMESTAMP_EXTI_ENABLE_IT();
   }
   else
   {
     __HAL_RTC_TAMPER_TIMESTAMP_EXTID2_ENABLE_IT();
   }
 #else /* SINGLE_CORE */
   __HAL_RTC_TAMPER_TIMESTAMP_EXTI_ENABLE_IT();
 #endif /* DUAL_CORE */
 
   __HAL_RTC_TAMPER_TIMESTAMP_EXTI_ENABLE_RISING_EDGE();
 
   /* Enable the write protection for RTC registers */
   __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
 
   hrtc->State = HAL_RTC_STATE_READY;
 
   /* Process Unlocked */
   __HAL_UNLOCK(hrtc);
 
   return HAL_OK;
 }
 
 /**
   * @brief  Deactivate TimeStamp.
   * @param  hrtc RTC handle
   * @retval HAL status
   */
 HAL_StatusTypeDef HAL_RTCEx_DeactivateTimeStamp(RTC_HandleTypeDef *hrtc)
 {
   uint32_t tmpreg;
 
   /* Process Locked */
   __HAL_LOCK(hrtc);
 
   hrtc->State = HAL_RTC_STATE_BUSY;
 
   /* Disable the write protection for RTC registers */
   __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
 
   /* In case of interrupt mode is used, the interrupt source must disabled */
   __HAL_RTC_TIMESTAMP_DISABLE_IT(hrtc, RTC_IT_TS);
 
   /* Get the RTC_CR register and clear the bits to be configured */
   tmpreg = (uint32_t)(hrtc->Instance->CR & (uint32_t)~(RTC_CR_TSEDGE | RTC_CR_TSE));
 
   /* Configure the Time Stamp TSEDGE and Enable bits */
   hrtc->Instance->CR = (uint32_t)tmpreg;
 
   /* Enable the write protection for RTC registers */
   __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
 
   hrtc->State = HAL_RTC_STATE_READY;
 
   /* Process Unlocked */
   __HAL_UNLOCK(hrtc);
 
   return HAL_OK;
 }
 
 /**
   * @brief  Set Internal TimeStamp.
   * @note   This API must be called before enabling the internal TimeStamp feature.
   * @param  hrtc RTC handle
   * @retval HAL status
   */
 HAL_StatusTypeDef HAL_RTCEx_SetInternalTimeStamp(RTC_HandleTypeDef *hrtc)
 {
   /* Process Locked */
   __HAL_LOCK(hrtc);
 
   hrtc->State = HAL_RTC_STATE_BUSY;
 
   /* Disable the write protection for RTC registers */
   __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
 
   /* Configure the internal Time Stamp Enable bits */
   __HAL_RTC_INTERNAL_TIMESTAMP_ENABLE(hrtc);
 
   /* Enable the write protection for RTC registers */
   __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
 
   /* Change RTC state */
   hrtc->State = HAL_RTC_STATE_READY;
 
   /* Process Unlocked */
   __HAL_UNLOCK(hrtc);
 
   return HAL_OK;
 }
 
 /**
   * @brief  Deactivate Internal TimeStamp.
   * @param  hrtc RTC handle
   * @retval HAL status
   */
 HAL_StatusTypeDef HAL_RTCEx_DeactivateInternalTimeStamp(RTC_HandleTypeDef *hrtc)
 {
   /* Process Locked */
   __HAL_LOCK(hrtc);
 
   hrtc->State = HAL_RTC_STATE_BUSY;
 
   /* Disable the write protection for RTC registers */
   __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
 
   /* Configure the internal Time Stamp Enable bits */
   __HAL_RTC_INTERNAL_TIMESTAMP_DISABLE(hrtc);
 
   /* Enable the write protection for RTC registers */
   __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
 
   hrtc->State = HAL_RTC_STATE_READY;
 
   /* Process Unlocked */
   __HAL_UNLOCK(hrtc);
 
   return HAL_OK;
 }
 
 /**
   * @brief  Get the RTC TimeStamp value.
   * @param  hrtc RTC handle
   * @param  sTimeStamp Pointer to Time structure
   * @param  sTimeStampDate Pointer to Date structure
   * @param  Format specifies the format of the entered parameters.
   *          This parameter can be one of the following values:
   *             @arg RTC_FORMAT_BIN: Binary data format
   *             @arg RTC_FORMAT_BCD: BCD data format
   * @retval HAL status
   */
 HAL_StatusTypeDef HAL_RTCEx_GetTimeStamp(RTC_HandleTypeDef *hrtc, RTC_TimeTypeDef *sTimeStamp, RTC_DateTypeDef *sTimeStampDate, uint32_t Format)
 {
   uint32_t tmptime;
   uint32_t tmpdate;
 
   /* Check the parameters */
   assert_param(IS_RTC_FORMAT(Format));
 
   /* Get the TimeStamp time and date registers values */
   tmptime = (uint32_t)(hrtc->Instance->TSTR & RTC_TR_RESERVED_MASK);
   tmpdate = (uint32_t)(hrtc->Instance->TSDR & RTC_DR_RESERVED_MASK);
 
   /* Fill the Time structure fields with the read parameters */
   sTimeStamp->Hours      = (uint8_t)((tmptime & (RTC_TSTR_HT  | RTC_TSTR_HU))  >> RTC_TSTR_HU_Pos);
   sTimeStamp->Minutes    = (uint8_t)((tmptime & (RTC_TSTR_MNT | RTC_TSTR_MNU)) >> RTC_TSTR_MNU_Pos);
   sTimeStamp->Seconds    = (uint8_t)((tmptime & (RTC_TSTR_ST  | RTC_TSTR_SU))  >> RTC_TSTR_SU_Pos);
   sTimeStamp->TimeFormat = (uint8_t)((tmptime & (RTC_TSTR_PM))                 >> RTC_TSTR_PM_Pos);
   sTimeStamp->SubSeconds = (uint32_t) hrtc->Instance->TSSSR;
 
   /* Fill the Date structure fields with the read parameters */
   sTimeStampDate->Year    = 0U;
   sTimeStampDate->Month   = (uint8_t)((tmpdate & (RTC_TSDR_MT | RTC_TSDR_MU)) >> RTC_TSDR_MU_Pos);
   sTimeStampDate->Date    = (uint8_t)((tmpdate & (RTC_TSDR_DT | RTC_TSDR_DU)) >> RTC_TSDR_DU_Pos);
   sTimeStampDate->WeekDay = (uint8_t)((tmpdate & (RTC_TSDR_WDU))              >> RTC_TSDR_WDU_Pos);
 
   /* Check the input parameters format */
   if (Format == RTC_FORMAT_BIN)
   {
     /* Convert the TimeStamp structure parameters to Binary format */
     sTimeStamp->Hours   = (uint8_t)RTC_Bcd2ToByte(sTimeStamp->Hours);
     sTimeStamp->Minutes = (uint8_t)RTC_Bcd2ToByte(sTimeStamp->Minutes);
     sTimeStamp->Seconds = (uint8_t)RTC_Bcd2ToByte(sTimeStamp->Seconds);
 
     /* Convert the DateTimeStamp structure parameters to Binary format */
     sTimeStampDate->Month   = (uint8_t)RTC_Bcd2ToByte(sTimeStampDate->Month);
     sTimeStampDate->Date    = (uint8_t)RTC_Bcd2ToByte(sTimeStampDate->Date);
     sTimeStampDate->WeekDay = (uint8_t)RTC_Bcd2ToByte(sTimeStampDate->WeekDay);
   }
 
   /* Clear the TIMESTAMP Flags */
   __HAL_RTC_INTERNAL_TIMESTAMP_CLEAR_FLAG(hrtc, RTC_FLAG_ITSF);
   __HAL_RTC_TIMESTAMP_CLEAR_FLAG(hrtc, RTC_FLAG_TSF);
 
   return HAL_OK;
 }
 
 /**
   * @}
   */
 
 /** @addtogroup RTCEx_Exported_Functions_Group5
   * @brief      Extended RTC Tamper functions
   *
 @verbatim
  ==============================================================================
                         ##### Tamper functions #####
  ==============================================================================
  [..]
   (+) Before calling any tamper or internal tamper function, you have to call first
       HAL_RTC_Init() function.
   (+) In that ine you can select to output tamper event on RTC pin.
  [..]
   (+) Enable the Tamper and configure the Tamper filter count, trigger Edge
       or Level according to the Tamper filter (if equal to 0 Edge else Level)
       value, sampling frequency, NoErase, MaskFlag, precharge or discharge and
       Pull-UP, timestamp using the HAL_RTCEx_SetTamper() function.
       You can configure Tamper with interrupt mode using HAL_RTCEx_SetTamper_IT() function.
   (+) The default configuration of the Tamper erases the backup registers. To avoid
       erase, enable the NoErase field on the TAMP_TAMPCR register.
  [..]
   (+) Enable Internal Tamper and configure it with interrupt, timestamp using
       the HAL_RTCEx_SetInternalTamper() function.
 
 @endverbatim
 * @{
 */
 
 #if defined(TAMP)
 /**
   * @brief  Set Tamper
   * @param  hrtc RTC handle
   * @param  sTamper Pointer to Tamper Structure.
   * @retval HAL status
   */
 HAL_StatusTypeDef HAL_RTCEx_SetTamper(RTC_HandleTypeDef * hrtc, RTC_TamperTypeDef * sTamper)
 {
   uint32_t tmpreg;
 
   /* Point on TAMPER registers base address */
   TAMP_TypeDef *tamp = (TAMP_TypeDef *)((uint32_t)hrtc->Instance + TAMP_OFFSET);
 
   /* Check the parameters */
   assert_param(IS_RTC_TAMPER(sTamper->Tamper));
   assert_param(IS_RTC_TAMPER_TRIGGER(sTamper->Trigger));
   assert_param(IS_RTC_TAMPER_ERASE_MODE(sTamper->NoErase));
   assert_param(IS_RTC_TAMPER_MASKFLAG_STATE(sTamper->MaskFlag));
   assert_param(IS_RTC_TAMPER_TIMESTAMPONTAMPER_DETECTION(sTamper->TimeStampOnTamperDetection));
   assert_param(IS_RTC_TAMPER_FILTER(sTamper->Filter));
   assert_param(IS_RTC_TAMPER_SAMPLING_FREQ(sTamper->SamplingFrequency));
   assert_param(IS_RTC_TAMPER_PRECHARGE_DURATION(sTamper->PrechargeDuration));
   assert_param(IS_RTC_TAMPER_PULLUP_STATE(sTamper->TamperPullUp));
   assert_param(IS_RTC_TAMPER_FILTER_CONFIG_CORRECT(sTamper->Filter, sTamper->Trigger));
 
   /* Configuration register 2 */
   tmpreg = tamp->CR2;
   tmpreg &= ~((sTamper->Tamper << TAMP_CR2_TAMP1TRG_Pos) | (sTamper->Tamper << TAMP_CR2_TAMP1MSK_Pos) | (sTamper->Tamper << TAMP_CR2_TAMP1NOERASE_Pos));
 
   /* Configure the tamper trigger bit */
   if ((sTamper->Trigger == RTC_TAMPERTRIGGER_HIGHLEVEL) || (sTamper->Trigger == RTC_TAMPERTRIGGER_FALLINGEDGE))
   {
     tmpreg |= (sTamper->Tamper << TAMP_CR2_TAMP1TRG_Pos);
   }
 
   /* Configure the tamper flags masking bit */
   if (sTamper->MaskFlag != RTC_TAMPERMASK_FLAG_DISABLE)
   {
     tmpreg |= (sTamper->Tamper << TAMP_CR2_TAMP1MSK_Pos);
   }
 
   /* Configure the tamper backup registers erasure bit */
   if (sTamper->NoErase != RTC_TAMPER_ERASE_BACKUP_ENABLE)
   {
     tmpreg |= (sTamper->Tamper << TAMP_CR2_TAMP1NOERASE_Pos);
   }
   tamp->CR2 = tmpreg;
 
   /* Configure filtering parameters */
   tamp->FLTCR = (sTamper->Filter)            | (sTamper->SamplingFrequency) | \
                 (sTamper->PrechargeDuration) | (sTamper->TamperPullUp);
 
   /* Configure Timestamp saving on tamper detection */
   if ((hrtc->Instance->CR & RTC_CR_TAMPTS) != (sTamper->TimeStampOnTamperDetection))
   {
     __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
     tmpreg = (hrtc->Instance->CR & ~RTC_CR_TAMPTS);
     hrtc->Instance->CR = (tmpreg | (sTamper->TimeStampOnTamperDetection));
     __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
   }
 
   /* Enable selected tamper */
   tamp->CR1 |= (sTamper->Tamper);
 
   return HAL_OK;
 }
 #else
 /**
   * @brief  Set Tamper.
   * @note   By calling this API we disable the tamper interrupt for all tampers.
   * @param  hrtc RTC handle
   * @param  sTamper Pointer to Tamper Structure.
   * @retval HAL status
   */
 HAL_StatusTypeDef HAL_RTCEx_SetTamper(RTC_HandleTypeDef * hrtc, RTC_TamperTypeDef * sTamper)
 {
   uint32_t tmpreg;
 
   /* Check the parameters */
   assert_param(IS_RTC_TAMPER(sTamper->Tamper));
   assert_param(IS_RTC_TAMPER_TRIGGER(sTamper->Trigger));
   assert_param(IS_RTC_TAMPER_ERASE_MODE(sTamper->NoErase));
   assert_param(IS_RTC_TAMPER_MASKFLAG_STATE(sTamper->MaskFlag));
   assert_param(IS_RTC_TAMPER_FILTER(sTamper->Filter));
   assert_param(IS_RTC_TAMPER_SAMPLING_FREQ(sTamper->SamplingFrequency));
   assert_param(IS_RTC_TAMPER_PRECHARGE_DURATION(sTamper->PrechargeDuration));
   assert_param(IS_RTC_TAMPER_PULLUP_STATE(sTamper->TamperPullUp));
   assert_param(IS_RTC_TAMPER_TIMESTAMPONTAMPER_DETECTION(sTamper->TimeStampOnTamperDetection));
   assert_param(IS_RTC_TAMPER_FILTER_CONFIG_CORRECT(sTamper->Filter, sTamper->Trigger));
 
   /* Process Locked */
   __HAL_LOCK(hrtc);
 
   hrtc->State = HAL_RTC_STATE_BUSY;
 
   /* Copy control register into temporary variable */
   tmpreg = hrtc->Instance->TAMPCR;
 
   /* Enable selected tamper */
   tmpreg |= (sTamper->Tamper);
 
   /* Configure the bit (located just next to the tamper enable bit) */
   if ((sTamper->Trigger == RTC_TAMPERTRIGGER_HIGHLEVEL) || (sTamper->Trigger == RTC_TAMPERTRIGGER_FALLINGEDGE))
   {
     /* Set the tamper trigger bit */
     tmpreg |= (uint32_t)(sTamper->Tamper << 1U);
   }
   else
   {
     /* Clear the tamper trigger bit */
     tmpreg &= (uint32_t)~(sTamper->Tamper << 1U);
   }
 
   /* Configure the tamper backup registers erasure bit */
   if (sTamper->NoErase != RTC_TAMPER_ERASE_BACKUP_ENABLE)
   {
     if ((sTamper->Tamper & RTC_TAMPER_1) != 0U)
     {
       tmpreg |= (uint32_t)(RTC_TAMPCR_TAMP1NOERASE);
     }
     if ((sTamper->Tamper & RTC_TAMPER_2) != 0U)
     {
       tmpreg |= (uint32_t)(RTC_TAMPCR_TAMP2NOERASE);
     }
     if ((sTamper->Tamper & RTC_TAMPER_3) != 0U)
     {
       tmpreg |= (uint32_t)(RTC_TAMPCR_TAMP3NOERASE);
     }
   }
   else
   {
     if ((sTamper->Tamper & RTC_TAMPER_1) != 0U)
     {
       tmpreg &= (uint32_t)~(RTC_TAMPCR_TAMP1NOERASE);
     }
     if ((sTamper->Tamper & RTC_TAMPER_2) != 0U)
     {
       tmpreg &= (uint32_t)~(RTC_TAMPCR_TAMP2NOERASE);
     }
     if ((sTamper->Tamper & RTC_TAMPER_3) != 0U)
     {
       tmpreg &= (uint32_t)~(RTC_TAMPCR_TAMP3NOERASE);
     }
   }
 
   /* Configure the tamper flags masking bit */
   if (sTamper->MaskFlag != RTC_TAMPERMASK_FLAG_DISABLE)
   {
     if ((sTamper->Tamper & RTC_TAMPER_1) != 0U)
     {
       tmpreg |= (uint32_t)(RTC_TAMPCR_TAMP1MF);
     }
     if ((sTamper->Tamper & RTC_TAMPER_2) != 0U)
     {
       tmpreg |= (uint32_t)(RTC_TAMPCR_TAMP2MF);
     }
     if ((sTamper->Tamper & RTC_TAMPER_3) != 0U)
     {
       tmpreg |= (uint32_t)(RTC_TAMPCR_TAMP3MF);
     }
   }
   else
   {
     if ((sTamper->Tamper & RTC_TAMPER_1) != 0U)
     {
       tmpreg &= (uint32_t)~(RTC_TAMPCR_TAMP1MF);
     }
     if ((sTamper->Tamper & RTC_TAMPER_2) != 0U)
     {
       tmpreg &= (uint32_t)~(RTC_TAMPCR_TAMP2MF);
     }
     if ((sTamper->Tamper & RTC_TAMPER_3) != 0U)
     {
       tmpreg &= (uint32_t)~(RTC_TAMPCR_TAMP3MF);
     }
   }
 
   /* Clearing remaining fields before setting them */
   tmpreg &= ~(RTC_TAMPERFILTER_MASK            | RTC_TAMPERSAMPLINGFREQ_RTCCLK_MASK | \
               RTC_TAMPERPRECHARGEDURATION_MASK | RTC_TAMPER_PULLUP_MASK             | \
               RTC_TIMESTAMPONTAMPERDETECTION_MASK);
 
   /* Set remaining parameters of desired configuration into temporary variable */
   tmpreg |= ((uint32_t)sTamper->Filter            | \
              (uint32_t)sTamper->SamplingFrequency | \
              (uint32_t)sTamper->PrechargeDuration | \
              (uint32_t)sTamper->TamperPullUp      | \
              (uint32_t)sTamper->TimeStampOnTamperDetection);
 
   /* Copy desired configuration into configuration register */
   hrtc->Instance->TAMPCR = tmpreg;
 
   hrtc->State = HAL_RTC_STATE_READY;
 
   /* Process Unlocked */
   __HAL_UNLOCK(hrtc);
 
   return HAL_OK;
 }
 #endif /* TAMP */
 
 #if defined(TAMP)
 /**
   * @brief  Set Tamper with interrupt.
   * @param  hrtc RTC handle
   * @param  sTamper Pointer to Tamper Structure.
   * @retval HAL status
   */
 HAL_StatusTypeDef HAL_RTCEx_SetTamper_IT(RTC_HandleTypeDef * hrtc, RTC_TamperTypeDef * sTamper)
 {
   uint32_t tmpreg;
 
   /* Point on TAMPER registers base address */
   TAMP_TypeDef *tamp = (TAMP_TypeDef *)((uint32_t)hrtc->Instance + TAMP_OFFSET);
 
   /* Check the parameters */
   assert_param(IS_RTC_TAMPER(sTamper->Tamper));
   assert_param(IS_RTC_TAMPER_TRIGGER(sTamper->Trigger));
   assert_param(IS_RTC_TAMPER_ERASE_MODE(sTamper->NoErase));
   assert_param(IS_RTC_TAMPER_MASKFLAG_STATE(sTamper->MaskFlag));
   assert_param(IS_RTC_TAMPER_FILTER(sTamper->Filter));
   assert_param(IS_RTC_TAMPER_SAMPLING_FREQ(sTamper->SamplingFrequency));
   assert_param(IS_RTC_TAMPER_PRECHARGE_DURATION(sTamper->PrechargeDuration));
   assert_param(IS_RTC_TAMPER_PULLUP_STATE(sTamper->TamperPullUp));
   assert_param(IS_RTC_TAMPER_TIMESTAMPONTAMPER_DETECTION(sTamper->TimeStampOnTamperDetection));
   assert_param(IS_RTC_TAMPER_FILTER_CONFIG_CORRECT(sTamper->Filter, sTamper->Trigger));
 
   /* Copy configuration register into temporary variable */
   tmpreg = tamp->CR2;
 
   /* Clear the bits that are going to be configured and leave the others unchanged */
   tmpreg &= ~((sTamper->Tamper << TAMP_CR2_TAMP1TRG_Pos) | (sTamper->Tamper << TAMP_CR2_TAMP1MSK_Pos) | (sTamper->Tamper << TAMP_CR2_TAMP1NOERASE_Pos));
 
   /* Configure the tamper trigger bit */
   if ((sTamper->Trigger == RTC_TAMPERTRIGGER_HIGHLEVEL) || (sTamper->Trigger == RTC_TAMPERTRIGGER_FALLINGEDGE))
   {
     tmpreg |= (sTamper->Tamper << TAMP_CR2_TAMP1TRG_Pos);
   }
 
   /* Configure the tamper flags masking bit */
   if (sTamper->MaskFlag != RTC_TAMPERMASK_FLAG_DISABLE)
   {
     tmpreg |= (sTamper->Tamper << TAMP_CR2_TAMP1MSK_Pos);
   }
 
   /* Configure the tamper backup registers erasure bit */
   if (sTamper->NoErase != RTC_TAMPER_ERASE_BACKUP_ENABLE)
   {
     tmpreg |= (sTamper->Tamper << TAMP_CR2_TAMP1NOERASE_Pos);
   }
   tamp->CR2 = tmpreg;
 
   /* Configure filtering parameters */
   tamp->FLTCR = (sTamper->Filter)            | (sTamper->SamplingFrequency) | \
                 (sTamper->PrechargeDuration) | (sTamper->TamperPullUp);
 
   /* Configure Timestamp saving on tamper detection */
   if ((hrtc->Instance->CR & RTC_CR_TAMPTS) != (sTamper->TimeStampOnTamperDetection))
   {
     __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
     tmpreg = (hrtc->Instance->CR & ~RTC_CR_TAMPTS);
     hrtc->Instance->CR = (tmpreg | (sTamper->TimeStampOnTamperDetection));
     __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
   }
 
   /* Configure RTC Tamper Interrupt: EXTI configuration */
   __HAL_RTC_TAMPER_TIMESTAMP_EXTI_ENABLE_IT();
   __HAL_RTC_TAMPER_TIMESTAMP_EXTI_ENABLE_RISING_FALLING_EDGE();
 
   /* Enable interrupt on selected tamper */
   tamp->IER |= sTamper->Tamper;
 
   /* Enable selected tamper */
   tamp->CR1 |= sTamper->Tamper;
 
   return HAL_OK;
 }
 #else
 /**
   * @brief  Set Tamper with interrupt.
   * @note   By calling this API we force the tamper interrupt for all tampers.
   * @param  hrtc RTC handle
   * @param  sTamper Pointer to Tamper Structure.
   * @retval HAL status
   */
 HAL_StatusTypeDef HAL_RTCEx_SetTamper_IT(RTC_HandleTypeDef * hrtc, RTC_TamperTypeDef * sTamper)
 {
   uint32_t tmpreg;
 
   /* Check the parameters */
   assert_param(IS_RTC_TAMPER(sTamper->Tamper));
   assert_param(IS_RTC_TAMPER_INTERRUPT(sTamper->Interrupt));
   assert_param(IS_RTC_TAMPER_TRIGGER(sTamper->Trigger));
   assert_param(IS_RTC_TAMPER_ERASE_MODE(sTamper->NoErase));
   assert_param(IS_RTC_TAMPER_MASKFLAG_STATE(sTamper->MaskFlag));
   assert_param(IS_RTC_TAMPER_FILTER(sTamper->Filter));
   assert_param(IS_RTC_TAMPER_SAMPLING_FREQ(sTamper->SamplingFrequency));
   assert_param(IS_RTC_TAMPER_PRECHARGE_DURATION(sTamper->PrechargeDuration));
   assert_param(IS_RTC_TAMPER_PULLUP_STATE(sTamper->TamperPullUp));
   assert_param(IS_RTC_TAMPER_TIMESTAMPONTAMPER_DETECTION(sTamper->TimeStampOnTamperDetection));
   assert_param(IS_RTC_TAMPER_FILTER_CONFIG_CORRECT(sTamper->Filter, sTamper->Trigger));
 
   /* Process Locked */
   __HAL_LOCK(hrtc);
 
   hrtc->State = HAL_RTC_STATE_BUSY;
 
   /* Copy control register into temporary variable */
   tmpreg = hrtc->Instance->TAMPCR;
 
   /* Enable selected tamper */
   tmpreg |= (sTamper->Tamper);
 
   /* Configure the tamper trigger bit (located just next to the tamper enable bit) */
   if ((sTamper->Trigger == RTC_TAMPERTRIGGER_HIGHLEVEL) || (sTamper->Trigger == RTC_TAMPERTRIGGER_FALLINGEDGE))
   {
     /* Set the tamper trigger bit */
     tmpreg |= (uint32_t)(sTamper->Tamper << 1U);
   }
   else
   {
     /* Clear the tamper trigger bit */
     tmpreg &= (uint32_t)~(sTamper->Tamper << 1U);
   }
 
   /* Configure the tamper backup registers erasure bit */
   if (sTamper->NoErase != RTC_TAMPER_ERASE_BACKUP_ENABLE)
   {
     if ((sTamper->Tamper & RTC_TAMPER_1) != 0U)
     {
       tmpreg |= (uint32_t)(RTC_TAMPCR_TAMP1NOERASE);
     }
     if ((sTamper->Tamper & RTC_TAMPER_2) != 0U)
     {
       tmpreg |= (uint32_t)(RTC_TAMPCR_TAMP2NOERASE);
     }
     if ((sTamper->Tamper & RTC_TAMPER_3) != 0U)
     {
       tmpreg |= (uint32_t)(RTC_TAMPCR_TAMP3NOERASE);
     }
   }
   else
   {
     if ((sTamper->Tamper & RTC_TAMPER_1) != 0U)
     {
       tmpreg &= (uint32_t)~(RTC_TAMPCR_TAMP1NOERASE);
     }
     if ((sTamper->Tamper & RTC_TAMPER_2) != 0U)
     {
       tmpreg &= (uint32_t)~(RTC_TAMPCR_TAMP2NOERASE);
     }
     if ((sTamper->Tamper & RTC_TAMPER_3) != 0U)
     {
       tmpreg &= (uint32_t)~(RTC_TAMPCR_TAMP3NOERASE);
     }
   }
 
   /* Configure the tamper flags masking bit */
   if (sTamper->MaskFlag != RTC_TAMPERMASK_FLAG_DISABLE)
   {
     if ((sTamper->Tamper & RTC_TAMPER_1) != 0U)
     {
       tmpreg |= (uint32_t)(RTC_TAMPCR_TAMP1MF);
     }
     if ((sTamper->Tamper & RTC_TAMPER_2) != 0U)
     {
       tmpreg |= (uint32_t)(RTC_TAMPCR_TAMP2MF);
     }
     if ((sTamper->Tamper & RTC_TAMPER_3) != 0U)
     {
       tmpreg |= (uint32_t)(RTC_TAMPCR_TAMP3MF);
     }
   }
   else
   {
     if ((sTamper->Tamper & RTC_TAMPER_1) != 0U)
     {
       tmpreg &= (uint32_t)~(RTC_TAMPCR_TAMP1MF);
     }
     if ((sTamper->Tamper & RTC_TAMPER_2) != 0U)
     {
       tmpreg &= (uint32_t)~(RTC_TAMPCR_TAMP2MF);
     }
     if ((sTamper->Tamper & RTC_TAMPER_3) != 0U)
     {
       tmpreg &= (uint32_t)~(RTC_TAMPCR_TAMP3MF);
     }
   }
 
   /* Clearing remaining fields before setting them */
   tmpreg &= ~(RTC_TAMPERFILTER_MASK            | RTC_TAMPERSAMPLINGFREQ_RTCCLK_MASK | \
               RTC_TAMPERPRECHARGEDURATION_MASK | RTC_TAMPER_PULLUP_MASK             | \
               RTC_TIMESTAMPONTAMPERDETECTION_MASK);
 
   /* Set remaining parameters of desired configuration into temporary variable */
   tmpreg |= ((uint32_t)sTamper->Filter            | \
              (uint32_t)sTamper->SamplingFrequency | \
              (uint32_t)sTamper->PrechargeDuration | \
              (uint32_t)sTamper->TamperPullUp      | \
              (uint32_t)sTamper->TimeStampOnTamperDetection);
 
   /* Enable interrupt on selected tamper */
   tmpreg |= (uint32_t)sTamper->Interrupt;
 
   /* Copy desired configuration into configuration register */
   hrtc->Instance->TAMPCR = tmpreg;
 
   /* RTC Tamper Interrupt Configuration: EXTI configuration */
 #if defined(DUAL_CORE)
   if (HAL_GetCurrentCPUID() == CM7_CPUID)
   {
     __HAL_RTC_TAMPER_TIMESTAMP_EXTI_ENABLE_IT();
   }
   else
   {
     __HAL_RTC_TAMPER_TIMESTAMP_EXTID2_ENABLE_IT();
   }
 #else /* SINGLE_CORE */
   __HAL_RTC_TAMPER_TIMESTAMP_EXTI_ENABLE_IT();
 #endif /* DUAL_CORE */
 
   __HAL_RTC_TAMPER_TIMESTAMP_EXTI_ENABLE_RISING_EDGE();
 
   hrtc->State = HAL_RTC_STATE_READY;
 
   /* Process Unlocked */
   __HAL_UNLOCK(hrtc);
 
   return HAL_OK;
 }
 #endif /* TAMP */
 
 #if defined(TAMP)
 /**
   * @brief  Deactivate Tamper.
   * @param  hrtc RTC handle
   * @param  Tamper Selected tamper pin.
   *         This parameter can be a combination of the following values:
   *         @arg RTC_TAMPER_1
   *         @arg RTC_TAMPER_2
   * @retval HAL status
   */
 HAL_StatusTypeDef HAL_RTCEx_DeactivateTamper(RTC_HandleTypeDef * hrtc, uint32_t Tamper)
 {
   /* Point on TAMPER registers base address */
   TAMP_TypeDef *tamp = (TAMP_TypeDef *)((uint32_t)hrtc->Instance + TAMP_OFFSET);
 
   assert_param(IS_RTC_TAMPER(Tamper));
 
   /* Disable the selected Tamper pin */
   tamp->CR1 &= ~Tamper;
 
   /* Disable the selected Tamper interrupt */
   tamp->IER &= ~Tamper;
 
   /* Clear the selected tamper flags in SR register by setting corresponding bits in SCR register */
   tamp->SCR = Tamper;
 
   /* Clear the selected tamper configuration (trigger, mask flag, and no-erase) */
   tamp->CR2 &= ~((Tamper << TAMP_CR2_TAMP1TRG_Pos) | (Tamper << TAMP_CR2_TAMP1MSK_Pos) | (Tamper << TAMP_CR2_TAMP1NOERASE_Pos));
 
   return HAL_OK;
 }
 #else
 /**
   * @brief  Deactivate Tamper.
   * @param  hrtc RTC handle
   * @param  Tamper Selected tamper pin.
   *         This parameter can be any combination of the following values:
   *         @arg RTC_TAMPER_1
   *         @arg RTC_TAMPER_2
   *         @arg RTC_TAMPER_3
   * @retval HAL status
   */
 HAL_StatusTypeDef HAL_RTCEx_DeactivateTamper(RTC_HandleTypeDef * hrtc, uint32_t Tamper)
 {
   assert_param(IS_RTC_TAMPER(Tamper));
 
   /* Process Locked */
   __HAL_LOCK(hrtc);
 
   hrtc->State = HAL_RTC_STATE_BUSY;
 
   /* Disable the selected Tamper pin */
   hrtc->Instance->TAMPCR &= ((uint32_t)~Tamper);
 
   /* Disable the selected Tamper interrupt */
   if ((Tamper & RTC_TAMPER_1) != 0U)
   {
     hrtc->Instance->TAMPCR &= ((uint32_t)~(RTC_IT_TAMP | RTC_IT_TAMP1));
   }
 
   if ((Tamper & RTC_TAMPER_2) != 0U)
   {
     hrtc->Instance->TAMPCR &= ((uint32_t)~(RTC_IT_TAMP | RTC_IT_TAMP2));
   }
 
   if ((Tamper & RTC_TAMPER_3) != 0U)
   {
     hrtc->Instance->TAMPCR &= ((uint32_t)~(RTC_IT_TAMP | RTC_IT_TAMP3));
   }
 
   hrtc->State = HAL_RTC_STATE_READY;
 
   /* Process Unlocked */
   __HAL_UNLOCK(hrtc);
 
   return HAL_OK;
 }
 #endif /* TAMP */
 
 #if defined(TAMP)
 /**
   * @brief  Set Internal Tamper
   * @param  hrtc RTC handle
   * @param  sIntTamper Pointer to Internal Tamper Structure.
   * @retval HAL status
   */
 HAL_StatusTypeDef HAL_RTCEx_SetInternalTamper(RTC_HandleTypeDef *hrtc, RTC_InternalTamperTypeDef *sIntTamper)
 {
   /* Check the parameters */
   assert_param(IS_RTC_INTERNAL_TAMPER(sIntTamper->IntTamper));
   assert_param(IS_RTC_TAMPER_TIMESTAMPONTAMPER_DETECTION(sIntTamper->TimeStampOnTamperDetection));
 
   /* Time-Stamp on internal tamper */
   if (READ_BIT(RTC->CR, RTC_CR_TAMPTS) != sIntTamper->TimeStampOnTamperDetection)
   {
     __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
     MODIFY_REG(RTC->CR, RTC_CR_TAMPTS, sIntTamper->TimeStampOnTamperDetection);
     __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
   }
 
   /* Control register 1 */
   SET_BIT(TAMP->CR1, sIntTamper->IntTamper);
 
   return HAL_OK;
 }
 
 /**
   * @brief  Set Internal Tamper in interrupt mode
   * @param  hrtc RTC handle
   * @param  sIntTamper Pointer to Internal Tamper Structure.
   * @retval HAL status
   */
 HAL_StatusTypeDef HAL_RTCEx_SetInternalTamper_IT(RTC_HandleTypeDef *hrtc, RTC_InternalTamperTypeDef *sIntTamper)
 {
   /* Check the parameters */
   assert_param(IS_RTC_INTERNAL_TAMPER(sIntTamper->IntTamper));
   assert_param(IS_RTC_TAMPER_TIMESTAMPONTAMPER_DETECTION(sIntTamper->TimeStampOnTamperDetection));
 
   /* Time-stamp on internal tamper */
   if (READ_BIT(RTC->CR, RTC_CR_TAMPTS) != sIntTamper->TimeStampOnTamperDetection)
   {
     __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
     MODIFY_REG(RTC->CR, RTC_CR_TAMPTS, sIntTamper->TimeStampOnTamperDetection);
     __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
   }
 
   /* RTC Tamper Interrupt Configuration: EXTI configuration */
   __HAL_RTC_TAMPER_TIMESTAMP_EXTI_ENABLE_IT();
   __HAL_RTC_TAMPER_TIMESTAMP_EXTI_ENABLE_RISING_FALLING_EDGE();
   /* Interrupt enable register */
   SET_BIT(TAMP->IER, sIntTamper->IntTamper);
 
   /* Control register 1 */
   SET_BIT(TAMP->CR1, sIntTamper->IntTamper);
 
   return HAL_OK;
 }
 
 /**
   * @brief  Deactivate Internal Tamper.
   * @param  hrtc RTC handle
   * @param  IntTamper Selected internal tamper event.
   *          This parameter can be any combination of existing internal tampers.
   * @retval HAL status
   */
 HAL_StatusTypeDef HAL_RTCEx_DeactivateInternalTamper(RTC_HandleTypeDef *hrtc, uint32_t IntTamper)
 {
   UNUSED(hrtc);
   assert_param(IS_RTC_INTERNAL_TAMPER(IntTamper));
 
   /* Disable the selected Tamper pin */
   CLEAR_BIT(TAMP->CR1, IntTamper);
 
   /* Clear internal tamper interrupt mode configuration */
   CLEAR_BIT(TAMP->IER, IntTamper);
 
   /* Clear internal tamper interrupt */
   WRITE_REG(TAMP->SCR, IntTamper);
 
   return HAL_OK;
 }
 
 /**
   * @brief  Set all active Tampers at the same time.
   * @param  hrtc RTC handle
   * @param  sAllTamper Pointer to active Tamper Structure.
   * @retval HAL status
   */
 HAL_StatusTypeDef HAL_RTCEx_SetActiveTampers(RTC_HandleTypeDef *hrtc, RTC_ActiveTampersTypeDef *sAllTamper)
 {
   uint32_t IER, CR1, CR2, ATCR1, CR, i, tickstart;
 
 #ifdef  USE_FULL_ASSERT
   for (i = 0; i < RTC_TAMP_NB; i++)
   {
     assert_param(IS_RTC_TAMPER_ERASE_MODE(sAllTamper->TampInput[i].NoErase));
     assert_param(IS_RTC_TAMPER_MASKFLAG_STATE(sAllTamper->TampInput[i].MaskFlag));
     /* Mask flag only supported by TAMPER 1, 2, and 3 */
     assert_param(!((sAllTamper->TampInput[i].MaskFlag != RTC_TAMPERMASK_FLAG_DISABLE) && (i > RTC_TAMPER_3)));
   }
 
   assert_param(IS_RTC_TAMPER_TIMESTAMPONTAMPER_DETECTION(sAllTamper->TimeStampOnTamperDetection));
 #endif /* USE_FULL_ASSERT */
 
   /* Active Tampers must not be already enabled */
   if (READ_BIT(TAMP->ATOR, TAMP_ATOR_INITS) != 0U)
   {
     /* Disable all active tampers with HAL_RTCEx_DeactivateActiveTampers */
     if (HAL_RTCEx_DeactivateActiveTampers(hrtc) != HAL_OK)
     {
       return HAL_ERROR;
     }
   }
 
   /* Set TimeStamp on tamper detection */
   CR = READ_REG(RTC->CR);
   if ((CR & RTC_CR_TAMPTS) != (sAllTamper->TimeStampOnTamperDetection))
   {
     __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
     MODIFY_REG(RTC->CR, RTC_CR_TAMPTS, sAllTamper->TimeStampOnTamperDetection);
     __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
   }
 
   CR1 = READ_REG(TAMP->CR1);
   CR2 = READ_REG(TAMP->CR2);
   IER = READ_REG(TAMP->IER);
 
   /* Set common parameters */
   ATCR1 = (sAllTamper->ActiveFilter | (sAllTamper->ActiveOutputChangePeriod << TAMP_ATCR1_ATPER_Pos) | sAllTamper->ActiveAsyncPrescaler);
 
   /* Set specific parameters for each active tamper inputs if enable */
   for (i = 0; i < RTC_TAMP_NB; i++)
   {
     if (sAllTamper->TampInput[i].Enable != RTC_ATAMP_DISABLE)
     {
       CR1 |= (TAMP_CR1_TAMP1E << i);
       ATCR1 |= (TAMP_ATCR1_TAMP1AM << i);
 
       if (sAllTamper->TampInput[i].Interrupt != RTC_ATAMP_INTERRUPT_DISABLE)
       {
         /* RTC Tamper Interrupt Configuration: EXTI configuration */
         __HAL_RTC_TAMPER_TIMESTAMP_EXTI_ENABLE_IT();
         __HAL_RTC_TAMPER_TIMESTAMP_EXTI_ENABLE_RISING_EDGE();
 
         /* Interrupt enable register */
         IER |= (TAMP_IER_TAMP1IE << i);
       }
 
       if (sAllTamper->TampInput[i].MaskFlag != RTC_TAMPERMASK_FLAG_DISABLE)
       {
         CR2 |= (TAMP_CR2_TAMP1MSK << i);
       }
 
       if (sAllTamper->TampInput[i].NoErase != RTC_TAMPER_ERASE_BACKUP_ENABLE)
       {
         CR2 |= (TAMP_CR2_TAMP1NOERASE << i);
       }
 
       /* Set ATOSHARE and configure ATOSELx[] in case of output sharing */
       if (sAllTamper->TampInput[i].Output != i)
       {
         ATCR1 |= TAMP_ATCR1_ATOSHARE;
         ATCR1 |= sAllTamper->TampInput[i].Output << ((2u * i) + TAMP_ATCR1_ATOSEL1_Pos);
       }
     }
   }
 
   WRITE_REG(TAMP->IER, IER);
   WRITE_REG(TAMP->IER, IER);
   WRITE_REG(TAMP->ATCR1, ATCR1);
 #if defined(TAMP_ATCR2_ATOSEL1)
   WRITE_REG(TAMP->ATCR2, ATCR2);
 #endif /* TAMP_ATCR2_ATOSEL1 */
   WRITE_REG(TAMP->CR2, CR2);
   WRITE_REG(TAMP->CR1, CR1);
 
   /* Write seed */
   for (i = 0; i < RTC_ATAMP_SEED_NB_UINT32; i++)
   {
     WRITE_REG(TAMP->ATSEEDR, sAllTamper->Seed[i]);
   }
 
   /* Wait till RTC SEEDF flag is set and if timeout is reached exit */
   tickstart = HAL_GetTick();
   while (READ_BIT(TAMP->ATOR,  TAMP_ATOR_SEEDF) != 0u)
   {
     if ((HAL_GetTick() - tickstart) > RTC_TIMEOUT_VALUE)
     {
       hrtc->State = HAL_RTC_STATE_TIMEOUT;
       return HAL_TIMEOUT;
     }
   }
 
   return HAL_OK;
 }
 
 /**
   * @brief  Write a new seed. Active tamper must be enabled.
   * @param  hrtc RTC handle
   * @param  pSeed Pointer to active tamper seed values.
   * @retval HAL status
   */
 HAL_StatusTypeDef HAL_RTCEx_SetActiveSeed(RTC_HandleTypeDef *hrtc, uint32_t *pSeed)
 {
   uint32_t i, tickstart;
 
   /* Active Tampers must be enabled */
   if (READ_BIT(TAMP->ATOR,  TAMP_ATOR_INITS) == 0U)
   {
     return HAL_ERROR;
   }
 
   for (i = 0; i < RTC_ATAMP_SEED_NB_UINT32; i++)
   {
     WRITE_REG(TAMP->ATSEEDR, pSeed[i]);
   }
 
   /* Wait till RTC SEEDF flag is set and if timeout is reached exit */
   tickstart = HAL_GetTick();
   while (READ_BIT(TAMP->ATOR,  TAMP_ATOR_SEEDF) != 0U)
   {
     if ((HAL_GetTick() - tickstart) > RTC_TIMEOUT_VALUE)
     {
       hrtc->State = HAL_RTC_STATE_TIMEOUT;
       return HAL_TIMEOUT;
     }
   }
 
   return HAL_OK;
 }
 
 /**
   * @brief  Deactivate all Active Tampers at the same time.
   * @param  hrtc RTC handle
   * @retval HAL status
   */
 HAL_StatusTypeDef HAL_RTCEx_DeactivateActiveTampers(RTC_HandleTypeDef *hrtc)
 {
   /* Get Active tampers */
   uint32_t ATamp_mask = READ_BIT(TAMP->ATCR1, TAMP_ALL);
 
   UNUSED(hrtc);
   /* Disable all actives tampers but not passives tampers */
   CLEAR_BIT(TAMP->CR1, ATamp_mask);
   /* Disable no erase and mask */
   CLEAR_BIT(TAMP->CR2, (ATamp_mask | ((ATamp_mask & (TAMP_ATCR1_TAMP1AM | TAMP_ATCR1_TAMP2AM | TAMP_ATCR1_TAMP3AM)) << TAMP_CR2_TAMP1MSK_Pos)));
 
   /* Clear tamper interrupt and event flags (WO register) of all actives tampers but not passives tampers */
   WRITE_REG(TAMP->SCR, ATamp_mask);
 
   /* Clear all active tampers interrupt mode configuration but not passives tampers */
   CLEAR_BIT(TAMP->IER, ATamp_mask);
 
   CLEAR_BIT(TAMP->ATCR1, TAMP_ALL | TAMP_ATCR1_ATCKSEL | TAMP_ATCR1_ATPER | \
             TAMP_ATCR1_ATOSHARE | TAMP_ATCR1_FLTEN);
 
 #if defined(TAMP_ATCR2_ATOSEL1)
   CLEAR_BIT(TAMP->ATCR2, TAMP_ATCR2_ATOSEL1 | TAMP_ATCR2_ATOSEL2 | TAMP_ATCR2_ATOSEL3 | TAMP_ATCR2_ATOSEL4 |
             TAMP_ATCR2_ATOSEL5 | TAMP_ATCR2_ATOSEL6 | TAMP_ATCR2_ATOSEL7 | TAMP_ATCR2_ATOSEL8);
 #endif /* TAMP_ATCR2_ATOSEL1 */
 
   return HAL_OK;
 }
 #endif /* TAMP */
 
 /**
   * @}
   */
 
 /** @addtogroup RTCEx_Exported_Functions_Group1
  *  @brief   RTC TimeStamp and Tamper functions
  *
 * @{
 */
 
 /**
   * @brief  Handle Tamper and TimeStamp interrupt request.
   * @param  hrtc RTC handle
   * @retval None
   */
 #if defined(TAMP)
 void HAL_RTCEx_TamperTimeStampIRQHandler(RTC_HandleTypeDef *hrtc)
 {
 
   /* Point on TAMPER registers base address */
   TAMP_TypeDef *tamp = (TAMP_TypeDef *)((uint32_t)hrtc->Instance + TAMP_OFFSET);
 
   /* Clear the EXTI's Flag for RTC TimeStamp and Tamper */
   __HAL_RTC_TAMPER_TIMESTAMP_EXTI_CLEAR_FLAG();
 
   if ((hrtc->Instance->MISR & RTC_MISR_TSMF) != 0u)
   {
 #if (USE_HAL_RTC_REGISTER_CALLBACKS == 1)
     /* Call TimeStampEvent registered Callback */
     hrtc->TimeStampEventCallback(hrtc);
 #else
     HAL_RTCEx_TimeStampEventCallback(hrtc);
 #endif /* USE_HAL_RTC_REGISTER_CALLBACKS */
     /* Not immediately clear flags because the content of RTC_TSTR and RTC_TSDR are cleared when TSF bit is reset.*/
     hrtc->Instance->SCR = RTC_SCR_CTSF;
   }
 
   /* Get interrupt status */
   uint32_t tmp = tamp->MISR;
 
   /* Immediately clear flags */
   tamp->SCR = tmp;
 
   /* Check Tamper 1 status */
   if ((tmp & RTC_TAMPER_1) == RTC_TAMPER_1)
   {
 #if (USE_HAL_RTC_REGISTER_CALLBACKS == 1)
     /* Call Tamper 1 Event registered Callback */
     hrtc->Tamper1EventCallback(hrtc);
 #else
     /* Tamper 1 callback */
     HAL_RTCEx_Tamper1EventCallback(hrtc);
 #endif /* USE_HAL_RTC_REGISTER_CALLBACKS */
   }
 
   /* Check Tamper 2 status */
   if ((tmp & RTC_TAMPER_2) == RTC_TAMPER_2)
   {
 #if (USE_HAL_RTC_REGISTER_CALLBACKS == 1)
     /* Call Tamper 2 Event registered Callback */
     hrtc->Tamper2EventCallback(hrtc);
 #else
     /* Tamper 2 callback */
     HAL_RTCEx_Tamper2EventCallback(hrtc);
 #endif /* USE_HAL_RTC_REGISTER_CALLBACKS */
   }
 
   /* Check Tamper 3 status */
   if ((tmp & RTC_TAMPER_3) == RTC_TAMPER_3)
   {
 #if (USE_HAL_RTC_REGISTER_CALLBACKS == 1)
     /* Call Tamper 3 Event registered Callback */
     hrtc->Tamper3EventCallback(hrtc);
 #else
     /* Tamper 3 callback */
     HAL_RTCEx_Tamper3EventCallback(hrtc);
 #endif /* USE_HAL_RTC_REGISTER_CALLBACKS */
   }
 
   /* Check Internal Tamper 1 status */
   if ((tmp & RTC_INT_TAMPER_1) == RTC_INT_TAMPER_1)
   {
 #if (USE_HAL_RTC_REGISTER_CALLBACKS == 1)
     /* Call Internal Tamper 1 Event registered callback */
     hrtc->InternalTamper1EventCallback(hrtc);
 #else
     /* Call Internal Tamper 1 Event by-default callback */
     HAL_RTCEx_InternalTamper1EventCallback(hrtc);
 #endif /* USE_HAL_RTC_REGISTER_CALLBACKS */
   }
 
   /* Check Internal Tamper 2 status */
   if ((tmp & RTC_INT_TAMPER_2) == RTC_INT_TAMPER_2)
   {
 #if (USE_HAL_RTC_REGISTER_CALLBACKS == 1)
     /* Call Internal Tamper 2 Event registered callback */
     hrtc->InternalTamper2EventCallback(hrtc);
 #else
     /* Call Internal Tamper 2 Event by-default callback */
     HAL_RTCEx_InternalTamper2EventCallback(hrtc);
 #endif /* USE_HAL_RTC_REGISTER_CALLBACKS */
   }
 
   /* Check Internal Tamper 3 status */
   if ((tmp & RTC_INT_TAMPER_3) == RTC_INT_TAMPER_3)
   {
 #if (USE_HAL_RTC_REGISTER_CALLBACKS == 1)
     /* Call Internal Tamper 3 Event registered callback */
     hrtc->InternalTamper3EventCallback(hrtc);
 #else
     /* Call Internal Tamper 3 Event by-default callback */
     HAL_RTCEx_InternalTamper3EventCallback(hrtc);
 #endif /* USE_HAL_RTC_REGISTER_CALLBACKS */
   }
 
   /* Check Internal Tamper 4 status */
   if ((tmp & RTC_INT_TAMPER_4) == RTC_INT_TAMPER_4)
   {
 #if (USE_HAL_RTC_REGISTER_CALLBACKS == 1)
     /* Call Internal Tamper 4 Event registered callback */
     hrtc->InternalTamper4EventCallback(hrtc);
 #else
     /* Call Internal Tamper 4 Event by-default callback */
     HAL_RTCEx_InternalTamper4EventCallback(hrtc);
 #endif /* USE_HAL_RTC_REGISTER_CALLBACKS */
   }
 
   /* Check Internal Tamper 5 status */
   if ((tmp & RTC_INT_TAMPER_5) == RTC_INT_TAMPER_5)
   {
 #if (USE_HAL_RTC_REGISTER_CALLBACKS == 1)
     /* Call Internal Tamper 5 Event registered callback */
     hrtc->InternalTamper5EventCallback(hrtc);
 #else
     /* Call Internal Tamper 5 Event by-default callback */
     HAL_RTCEx_InternalTamper5EventCallback(hrtc);
 #endif /* USE_HAL_RTC_REGISTER_CALLBACKS */
   }
 
   /* Check Internal Tamper 6 status */
   if ((tmp & RTC_INT_TAMPER_6) == RTC_INT_TAMPER_6)
   {
 #if (USE_HAL_RTC_REGISTER_CALLBACKS == 1)
     /* Call Internal Tamper 6 Event registered callback */
     hrtc->InternalTamper6EventCallback(hrtc);
 #else
     /* Call Internal Tamper 6 Event by-default callback */
     HAL_RTCEx_InternalTamper6EventCallback(hrtc);
 #endif /* USE_HAL_RTC_REGISTER_CALLBACKS */
   }
 
   /* Check Internal Tamper 8 status */
   if ((tmp & RTC_INT_TAMPER_8) == RTC_INT_TAMPER_8)
   {
 #if (USE_HAL_RTC_REGISTER_CALLBACKS == 1)
     /* Call Internal Tamper 8 Event registered callback */
     hrtc->InternalTamper8EventCallback(hrtc);
 #else
     /* Call Internal Tamper 8 Event by-default callback */
     HAL_RTCEx_InternalTamper8EventCallback(hrtc);
 #endif /* USE_HAL_RTC_REGISTER_CALLBACKS */
   }
 
   /* Change RTC state */
   hrtc->State = HAL_RTC_STATE_READY;
 }
 #else
 void HAL_RTCEx_TamperTimeStampIRQHandler(RTC_HandleTypeDef *hrtc)
 {
   /* Clear the EXTI's Flag for RTC TimeStamp and Tamper */
 #if defined(DUAL_CORE)
   if (HAL_GetCurrentCPUID() == CM7_CPUID)
   {
     __HAL_RTC_TAMPER_TIMESTAMP_EXTI_CLEAR_FLAG();
   }
   else
   {
     __HAL_RTC_TAMPER_TIMESTAMP_EXTID2_CLEAR_FLAG();
   }
 #else /* SINGLE_CORE */
   __HAL_RTC_TAMPER_TIMESTAMP_EXTI_CLEAR_FLAG();
 #endif /* DUAL_CORE */
 
   /* Get the TimeStamp interrupt source enable status */
   if (__HAL_RTC_TIMESTAMP_GET_IT_SOURCE(hrtc, RTC_IT_TS) != 0U)
   {
     /* Get the pending status of the TIMESTAMP Interrupt */
     if (__HAL_RTC_TIMESTAMP_GET_FLAG(hrtc, RTC_FLAG_TSF) != 0U)
     {
       /* TIMESTAMP callback */
 #if (USE_HAL_RTC_REGISTER_CALLBACKS == 1)
       hrtc->TimeStampEventCallback(hrtc);
 #else  /* (USE_HAL_RTC_REGISTER_CALLBACKS == 1) */
       HAL_RTCEx_TimeStampEventCallback(hrtc);
 #endif /* (USE_HAL_RTC_REGISTER_CALLBACKS == 1) */
 
       /* Clear the TIMESTAMP interrupt pending bit (this will clear timestamp time and date registers) */
       __HAL_RTC_TIMESTAMP_CLEAR_FLAG(hrtc, RTC_FLAG_TSF);
     }
   }
 
   /* Get the Tamper 1 interrupt source enable status */
   if (__HAL_RTC_TAMPER_GET_IT_SOURCE(hrtc, RTC_IT_TAMP | RTC_IT_TAMP1) != 0U)
   {
     /* Get the pending status of the Tamper 1 Interrupt */
     if (__HAL_RTC_TAMPER_GET_FLAG(hrtc, RTC_FLAG_TAMP1F) != 0U)
     {
       /* Clear the Tamper 1 interrupt pending bit */
       __HAL_RTC_TAMPER_CLEAR_FLAG(hrtc, RTC_FLAG_TAMP1F);
 
       /* Tamper 1 callback */
 #if (USE_HAL_RTC_REGISTER_CALLBACKS == 1)
       hrtc->Tamper1EventCallback(hrtc);
 #else  /* (USE_HAL_RTC_REGISTER_CALLBACKS == 1) */
       HAL_RTCEx_Tamper1EventCallback(hrtc);
 #endif /* (USE_HAL_RTC_REGISTER_CALLBACKS == 1) */
     }
   }
 
   /* Get the Tamper 2 interrupt source enable status */
   if (__HAL_RTC_TAMPER_GET_IT_SOURCE(hrtc, RTC_IT_TAMP | RTC_IT_TAMP2) != 0U)
   {
     /* Get the pending status of the Tamper 2 Interrupt */
     if (__HAL_RTC_TAMPER_GET_FLAG(hrtc, RTC_FLAG_TAMP2F) != 0U)
     {
       /* Clear the Tamper 2 interrupt pending bit */
       __HAL_RTC_TAMPER_CLEAR_FLAG(hrtc, RTC_FLAG_TAMP2F);
 
       /* Tamper 2 callback */
 #if (USE_HAL_RTC_REGISTER_CALLBACKS == 1)
       hrtc->Tamper2EventCallback(hrtc);
 #else  /* (USE_HAL_RTC_REGISTER_CALLBACKS == 1) */
       HAL_RTCEx_Tamper2EventCallback(hrtc);
 #endif /* (USE_HAL_RTC_REGISTER_CALLBACKS == 1) */
     }
   }
 
   /* Get the Tamper 3 interrupts source enable status */
   if (__HAL_RTC_TAMPER_GET_IT_SOURCE(hrtc, RTC_IT_TAMP | RTC_IT_TAMP3) != 0U)
   {
     /* Get the pending status of the Tamper 3 Interrupt */
     if (__HAL_RTC_TAMPER_GET_FLAG(hrtc, RTC_FLAG_TAMP3F) != 0U)
     {
       /* Clear the Tamper 3 interrupt pending bit */
       __HAL_RTC_TAMPER_CLEAR_FLAG(hrtc, RTC_FLAG_TAMP3F);
 
       /* Tamper 3 callback */
 #if (USE_HAL_RTC_REGISTER_CALLBACKS == 1)
       hrtc->Tamper3EventCallback(hrtc);
 #else  /* (USE_HAL_RTC_REGISTER_CALLBACKS == 1) */
       HAL_RTCEx_Tamper3EventCallback(hrtc);
 #endif /* (USE_HAL_RTC_REGISTER_CALLBACKS == 1) */
     }
   }
 
   /* Change RTC state */
   hrtc->State = HAL_RTC_STATE_READY;
 }
 #endif /* TAMP */
 
 /**
   * @brief  TimeStamp callback.
   * @param  hrtc RTC handle
   * @retval None
   */
 __weak void HAL_RTCEx_TimeStampEventCallback(RTC_HandleTypeDef *hrtc)
 {
   /* Prevent unused argument(s) compilation warning */
   UNUSED(hrtc);
 
   /* NOTE : This function should not be modified, when the callback is needed,
             the HAL_RTCEx_TimeStampEventCallback could be implemented in the user file
   */
 }
 
 /**
   * @}
   */
 
 /** @addtogroup RTCEx_Exported_Functions_Group5
   * @brief      Extended RTC Tamper functions
   *
 * @{
 */
 
 /**
   * @brief  Tamper 1 callback.
   * @param  hrtc RTC handle
   * @retval None
   */
 __weak void HAL_RTCEx_Tamper1EventCallback(RTC_HandleTypeDef * hrtc)
 {
   /* Prevent unused argument(s) compilation warning */
   UNUSED(hrtc);
 
   /* NOTE : This function should not be modified, when the callback is needed,
             the HAL_RTCEx_Tamper1EventCallback could be implemented in the user file
    */
 }
 
 /**
   * @brief  Tamper 2 callback.
   * @param  hrtc RTC handle
   * @retval None
   */
 __weak void HAL_RTCEx_Tamper2EventCallback(RTC_HandleTypeDef * hrtc)
 {
   /* Prevent unused argument(s) compilation warning */
   UNUSED(hrtc);
 
   /* NOTE : This function should not be modified, when the callback is needed,
             the HAL_RTCEx_Tamper2EventCallback could be implemented in the user file
    */
 }
 
 /**
   * @brief  Tamper 3 callback.
   * @param  hrtc RTC handle
   * @retval None
   */
 __weak void HAL_RTCEx_Tamper3EventCallback(RTC_HandleTypeDef * hrtc)
 {
   /* Prevent unused argument(s) compilation warning */
   UNUSED(hrtc);
 
   /* NOTE : This function should not be modified, when the callback is needed,
             the HAL_RTCEx_Tamper3EventCallback could be implemented in the user file
    */
 }
 
 #if defined(TAMP)
 /**
   * @brief  Internal Tamper 1 callback.
   * @param  hrtc RTC handle
   * @retval None
   */
 __weak void HAL_RTCEx_InternalTamper1EventCallback(RTC_HandleTypeDef *hrtc)
 {
   /* Prevent unused argument(s) compilation warning */
   UNUSED(hrtc);
 
   /* NOTE : This function should not be modified, when the callback is needed,
             the HAL_RTCEx_InternalTamper1EventCallback could be implemented in the user file
    */
 }
 
 /**
   * @brief  Internal Tamper 2 callback.
   * @param  hrtc RTC handle
   * @retval None
   */
 __weak void HAL_RTCEx_InternalTamper2EventCallback(RTC_HandleTypeDef *hrtc)
 {
   /* Prevent unused argument(s) compilation warning */
   UNUSED(hrtc);
 
   /* NOTE : This function should not be modified, when the callback is needed,
             the HAL_RTCEx_InternalTamper2EventCallback could be implemented in the user file
    */
 }
 
 /**
   * @brief  Internal Tamper 3 callback.
   * @param  hrtc RTC handle
   * @retval None
   */
 __weak void HAL_RTCEx_InternalTamper3EventCallback(RTC_HandleTypeDef *hrtc)
 {
   /* Prevent unused argument(s) compilation warning */
   UNUSED(hrtc);
 
   /* NOTE : This function should not be modified, when the callback is needed,
             the HAL_RTCEx_InternalTamper3EventCallback could be implemented in the user file
    */
 }
 
 /**
   * @brief  Internal Tamper 4 callback.
   * @param  hrtc RTC handle
   * @retval None
   */
 __weak void HAL_RTCEx_InternalTamper4EventCallback(RTC_HandleTypeDef *hrtc)
 {
   /* Prevent unused argument(s) compilation warning */
   UNUSED(hrtc);
 
   /* NOTE : This function should not be modified, when the callback is needed,
             the HAL_RTCEx_InternalTamper4EventCallback could be implemented in the user file
    */
 }
 
 /**
   * @brief  Internal Tamper 5 callback.
   * @param  hrtc RTC handle
   * @retval None
   */
 __weak void HAL_RTCEx_InternalTamper5EventCallback(RTC_HandleTypeDef *hrtc)
 {
   /* Prevent unused argument(s) compilation warning */
   UNUSED(hrtc);
 
   /* NOTE : This function should not be modified, when the callback is needed,
             the HAL_RTCEx_InternalTamper5EventCallback could be implemented in the user file
    */
 }
 
 /**
   * @brief  Internal Tamper 6 callback.
   * @param  hrtc RTC handle
   * @retval None
   */
 __weak void HAL_RTCEx_InternalTamper6EventCallback(RTC_HandleTypeDef *hrtc)
 {
   /* Prevent unused argument(s) compilation warning */
   UNUSED(hrtc);
 
   /* NOTE : This function should not be modified, when the callback is needed,
             the HAL_RTCEx_InternalTamper6EventCallback could be implemented in the user file
    */
 }
 
 /**
   * @brief  Internal Tamper 8 callback.
   * @param  hrtc RTC handle
   * @retval None
   */
 __weak void HAL_RTCEx_InternalTamper8EventCallback(RTC_HandleTypeDef *hrtc)
 {
   /* Prevent unused argument(s) compilation warning */
   UNUSED(hrtc);
 
   /* NOTE : This function should not be modified, when the callback is needed,
             the HAL_RTCEx_InternalTamper8EventCallback could be implemented in the user file
    */
 }
 #endif /* TAMP */
 
 /**
   * @}
   */
 
 /** @addtogroup RTCEx_Exported_Functions_Group1
  *  @brief   RTC TimeStamp and Tamper functions
  *
 * @{
 */
 
 /**
   * @brief  Handle TimeStamp polling request.
   * @param  hrtc RTC handle
   * @param  Timeout Timeout duration
   * @retval HAL status
   */
 HAL_StatusTypeDef HAL_RTCEx_PollForTimeStampEvent(RTC_HandleTypeDef *hrtc, uint32_t Timeout)
 {
   uint32_t tickstart = HAL_GetTick();
 
   while (__HAL_RTC_TIMESTAMP_GET_FLAG(hrtc, RTC_FLAG_TSF) == 0U)
   {
     if (__HAL_RTC_TIMESTAMP_GET_FLAG(hrtc, RTC_FLAG_TSOVF) != 0U)
     {
       /* Clear the TIMESTAMP OverRun Flag */
       __HAL_RTC_TIMESTAMP_CLEAR_FLAG(hrtc, RTC_FLAG_TSOVF);
 
       /* Change TIMESTAMP state */
       hrtc->State = HAL_RTC_STATE_ERROR;
 
       return HAL_ERROR;
     }
 
     if (Timeout != HAL_MAX_DELAY)
     {
       if (((HAL_GetTick() - tickstart) > Timeout) || (Timeout == 0U))
       {
         hrtc->State = HAL_RTC_STATE_TIMEOUT;
         return HAL_TIMEOUT;
       }
     }
   }
 
   /* Change RTC state */
   hrtc->State = HAL_RTC_STATE_READY;
 
   return HAL_OK;
 }
 
 /**
   * @}
   */
 
 /** @addtogroup RTCEx_Exported_Functions_Group5
   * @brief      Extended RTC Tamper functions
   *
 * @{
 */
 
 /**
   * @brief  Handle Tamper1 Polling.
   * @param  hrtc RTC handle
   * @param  Timeout Timeout duration
   * @retval HAL status
   */
 HAL_StatusTypeDef HAL_RTCEx_PollForTamper1Event(RTC_HandleTypeDef * hrtc, uint32_t Timeout)
 {
   uint32_t tickstart = HAL_GetTick();
 
   /* Get the status of the Interrupt */
   while (__HAL_RTC_TAMPER_GET_FLAG(hrtc, RTC_FLAG_TAMP1F) == 0U)
   {
     if (Timeout != HAL_MAX_DELAY)
     {
       if (((HAL_GetTick() - tickstart) > Timeout) || (Timeout == 0U))
       {
         hrtc->State = HAL_RTC_STATE_TIMEOUT;
         return HAL_TIMEOUT;
       }
     }
   }
 
   /* Clear the Tamper Flag */
   __HAL_RTC_TAMPER_CLEAR_FLAG(hrtc, RTC_FLAG_TAMP1F);
 
   /* Change RTC state */
   hrtc->State = HAL_RTC_STATE_READY;
 
   return HAL_OK;
 }
 
 /**
   * @brief  Handle Tamper2 Polling.
   * @param  hrtc RTC handle
   * @param  Timeout Timeout duration
   * @retval HAL status
   */
 HAL_StatusTypeDef HAL_RTCEx_PollForTamper2Event(RTC_HandleTypeDef * hrtc, uint32_t Timeout)
 {
   uint32_t tickstart = HAL_GetTick();
 
   /* Get the status of the Interrupt */
   while (__HAL_RTC_TAMPER_GET_FLAG(hrtc, RTC_FLAG_TAMP2F) == 0U)
   {
     if (Timeout != HAL_MAX_DELAY)
     {
       if (((HAL_GetTick() - tickstart) > Timeout) || (Timeout == 0U))
       {
         hrtc->State = HAL_RTC_STATE_TIMEOUT;
         return HAL_TIMEOUT;
       }
     }
   }
 
   /* Clear the Tamper Flag */
   __HAL_RTC_TAMPER_CLEAR_FLAG(hrtc, RTC_FLAG_TAMP2F);
 
   /* Change RTC state */
   hrtc->State = HAL_RTC_STATE_READY;
 
   return HAL_OK;
 }
 
 /**
   * @brief  Handle Tamper3 Polling.
   * @param  hrtc RTC handle
   * @param  Timeout Timeout duration
   * @retval HAL status
   */
 HAL_StatusTypeDef HAL_RTCEx_PollForTamper3Event(RTC_HandleTypeDef * hrtc, uint32_t Timeout)
 {
   uint32_t tickstart = HAL_GetTick();
 
   /* Get the status of the Interrupt */
   while (__HAL_RTC_TAMPER_GET_FLAG(hrtc, RTC_FLAG_TAMP3F) == 0U)
   {
     if (Timeout != HAL_MAX_DELAY)
     {
       if (((HAL_GetTick() - tickstart) > Timeout) || (Timeout == 0U))
       {
         hrtc->State = HAL_RTC_STATE_TIMEOUT;
         return HAL_TIMEOUT;
       }
     }
   }
 
   /* Clear the Tamper Flag */
   __HAL_RTC_TAMPER_CLEAR_FLAG(hrtc, RTC_FLAG_TAMP3F);
 
   /* Change RTC state */
   hrtc->State = HAL_RTC_STATE_READY;
 
   return HAL_OK;
 }
 
 #if defined(TAMP)
 /**
   * @brief  Internal Tamper event polling.
   * @param  hrtc RTC handle
   * @param  IntTamper selected tamper.
   *          This parameter can be any combination of existing internal tampers.
   * @param  Timeout Timeout duration
   * @retval HAL status
   */
 HAL_StatusTypeDef HAL_RTCEx_PollForInternalTamperEvent(RTC_HandleTypeDef *hrtc, uint32_t IntTamper, uint32_t Timeout)
 {
   UNUSED(hrtc);
   assert_param(IS_RTC_INTERNAL_TAMPER(IntTamper));
 
   uint32_t tickstart = HAL_GetTick();
 
   /* Get the status of the Interrupt */
   while (READ_BIT(TAMP->SR, IntTamper) != IntTamper)
   {
     if (Timeout != HAL_MAX_DELAY)
     {
       if (((HAL_GetTick() - tickstart) > Timeout) || (Timeout == 0U))
       {
         return HAL_TIMEOUT;
       }
     }
   }
 
   /* Clear the Tamper Flag */
   WRITE_REG(TAMP->SCR, IntTamper);
 
   return HAL_OK;
 }
 #endif /* TAMP */
 
 /**
   * @}
   */
 
 /** @addtogroup RTCEx_Exported_Functions_Group2
   * @brief    RTC Wake-up functions
   *
 @verbatim
  ===============================================================================
                         ##### RTC Wake-up functions #####
  ===============================================================================
 
  [..] This section provides functions allowing to configure Wake-up feature
 
 @endverbatim
   * @{
   */
 
 /**
   * @brief  Set wake up timer.
   * @param  hrtc RTC handle
   * @param  WakeUpCounter Wake up counter
   * @param  WakeUpClock Wake up clock
   * @retval HAL status
   */
 HAL_StatusTypeDef HAL_RTCEx_SetWakeUpTimer(RTC_HandleTypeDef *hrtc, uint32_t WakeUpCounter, uint32_t WakeUpClock)
 {
   uint32_t tickstart;
 
   /* Check the parameters */
   assert_param(IS_RTC_WAKEUP_CLOCK(WakeUpClock));
   assert_param(IS_RTC_WAKEUP_COUNTER(WakeUpCounter));
 
   /* Process Locked */
   __HAL_LOCK(hrtc);
 
   hrtc->State = HAL_RTC_STATE_BUSY;
 
   /* Disable the write protection for RTC registers */
   __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
 
   /* Clear WUTE in RTC_CR to disable the wakeup timer */
   CLEAR_BIT(RTC->CR, RTC_CR_WUTE);
 
   /* Poll WUTWF until it is set in RTC_ICSR / RTC_ISR to make sure the access to wakeup autoreload
   counter and to WUCKSEL[2:0] bits is allowed. This step must be skipped in
   calendar initialization mode. */
 #if defined(TAMP)
   if (READ_BIT(RTC->ICSR, RTC_ICSR_INITF) == 0U)
   {
     tickstart = HAL_GetTick();
 
     while (READ_BIT(hrtc->Instance->ICSR, RTC_FLAG_WUTWF) == 0U)
 #else
   if (READ_BIT(RTC->ISR, RTC_ISR_INITF) == 0U)
   {
     tickstart = HAL_GetTick();
 
     while(__HAL_RTC_WAKEUPTIMER_GET_FLAG(hrtc, RTC_FLAG_WUTWF) == 0U)
 #endif /* TAMP */
     {
       if ((HAL_GetTick() - tickstart) > RTC_TIMEOUT_VALUE)
       {
         /* Enable the write protection for RTC registers */
         __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
 
         hrtc->State = HAL_RTC_STATE_TIMEOUT;
 
         /* Process Unlocked */
         __HAL_UNLOCK(hrtc);
 
         return HAL_TIMEOUT;
       }
     }
   }
 
   /* Clear the Wakeup Timer clock source bits and configure the clock source in CR register */
   uint32_t CR_tmp = hrtc->Instance->CR;
   CR_tmp &= (uint32_t)~RTC_CR_WUCKSEL;
   CR_tmp |= (uint32_t)WakeUpClock;
   hrtc->Instance->CR = CR_tmp;
 
   /* Configure the Wakeup Timer counter */
   hrtc->Instance->WUTR = (uint32_t)WakeUpCounter;
 
   /* Enable the Wakeup Timer */
   __HAL_RTC_WAKEUPTIMER_ENABLE(hrtc);
 
   /* Enable the write protection for RTC registers */
   __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
 
   hrtc->State = HAL_RTC_STATE_READY;
 
   /* Process Unlocked */
   __HAL_UNLOCK(hrtc);
 
   return HAL_OK;
 }
 
 /**
   * @brief  Set wake up timer with interrupt.
   * @param  hrtc RTC handle
   * @param  WakeUpCounter Wake up counter
   * @param  WakeUpClock Wake up clock
   * @retval HAL status
   */
 HAL_StatusTypeDef HAL_RTCEx_SetWakeUpTimer_IT(RTC_HandleTypeDef *hrtc, uint32_t WakeUpCounter, uint32_t WakeUpClock)
 {
   uint32_t tickstart;
 
   /* Check the parameters */
   assert_param(IS_RTC_WAKEUP_CLOCK(WakeUpClock));
   assert_param(IS_RTC_WAKEUP_COUNTER(WakeUpCounter));
 
   /* Process Locked */
   __HAL_LOCK(hrtc);
 
   hrtc->State = HAL_RTC_STATE_BUSY;
 
   /* Disable the write protection for RTC registers */
   __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
 
   /* Clear WUTE in RTC_CR to disable the wakeup timer */
   CLEAR_BIT(RTC->CR, RTC_CR_WUTE);
 
   /* Poll WUTWF until it is set in RTC_ICSR to make sure the access to wakeup autoreload
   counter and to WUCKSEL[2:0] bits is allowed. This step must be skipped in
   calendar initialization mode. */
 #if defined(TAMP)
   if (READ_BIT(RTC->ICSR, RTC_ICSR_INITF) == 0U)
   {
     tickstart = HAL_GetTick();
 
     while (READ_BIT(hrtc->Instance->ICSR, RTC_FLAG_WUTWF) == 0U)
 #else
   if (READ_BIT(RTC->ISR, RTC_ISR_INITF) == 0U)
   {
     tickstart = HAL_GetTick();
 
     while(__HAL_RTC_WAKEUPTIMER_GET_FLAG(hrtc, RTC_FLAG_WUTWF) == 0U)
 #endif /* TAMP */
     {
       if ((HAL_GetTick() - tickstart) > RTC_TIMEOUT_VALUE)
       {
         /* Enable the write protection for RTC registers */
         __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
 
         hrtc->State = HAL_RTC_STATE_TIMEOUT;
 
         /* Process Unlocked */
         __HAL_UNLOCK(hrtc);
 
         return HAL_TIMEOUT;
       }
     }
   }
 
   /* Configure the Wakeup Timer counter */
   hrtc->Instance->WUTR = (uint32_t)WakeUpCounter;
 
   /* Clear the Wakeup Timer clock source bits and configure the clock source in CR register */
   {
     uint32_t CR_tmp = hrtc->Instance->CR;
     CR_tmp &= (uint32_t)~RTC_CR_WUCKSEL;
     CR_tmp |= (uint32_t)WakeUpClock;
     hrtc->Instance->CR = CR_tmp;
   }
 
   /* RTC WakeUpTimer Interrupt Configuration: EXTI configuration */
 #if defined(DUAL_CORE)
   if (HAL_GetCurrentCPUID() == CM7_CPUID)
   {
     __HAL_RTC_WAKEUPTIMER_EXTI_ENABLE_IT();
   }
   else
   {
     __HAL_RTC_WAKEUPTIMER_EXTID2_ENABLE_IT();
   }
 #else /* SINGLE_CORE */
   __HAL_RTC_WAKEUPTIMER_EXTI_ENABLE_IT();
 #endif /* DUAL_CORE */
 
   __HAL_RTC_WAKEUPTIMER_EXTI_ENABLE_RISING_EDGE();
 
   /* Configure the Interrupt in the RTC_CR register */
   __HAL_RTC_WAKEUPTIMER_ENABLE_IT(hrtc, RTC_IT_WUT);
 
   /* Enable the Wakeup Timer */
   __HAL_RTC_WAKEUPTIMER_ENABLE(hrtc);
 
   /* Enable the write protection for RTC registers */
   __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
 
   hrtc->State = HAL_RTC_STATE_READY;
 
   /* Process Unlocked */
   __HAL_UNLOCK(hrtc);
 
   return HAL_OK;
 }
 
 /**
   * @brief  Deactivate wake up timer counter.
   * @param  hrtc RTC handle
   * @retval HAL status
   */
 HAL_StatusTypeDef HAL_RTCEx_DeactivateWakeUpTimer(RTC_HandleTypeDef *hrtc)
 {
   uint32_t tickstart;
 
   /* Process Locked */
   __HAL_LOCK(hrtc);
 
   hrtc->State = HAL_RTC_STATE_BUSY;
 
   /* Disable the write protection for RTC registers */
   __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
 
   /* Disable the Wakeup Timer */
   __HAL_RTC_WAKEUPTIMER_DISABLE(hrtc);
 
   /* In case of interrupt mode is used, the interrupt source must disabled */
   __HAL_RTC_WAKEUPTIMER_DISABLE_IT(hrtc, RTC_IT_WUT);
 
   tickstart = HAL_GetTick();
   /* Wait till RTC WUTWF flag is set and if timeout is reached exit */
 #if defined(TAMP)
   while (READ_BIT(hrtc->Instance->ICSR, RTC_FLAG_WUTWF) == 0U)
 #else
   while(__HAL_RTC_WAKEUPTIMER_GET_FLAG(hrtc, RTC_FLAG_WUTWF) == 0U)
 #endif /* TAMP */
   {
     if ((HAL_GetTick() - tickstart) > RTC_TIMEOUT_VALUE)
     {
       /* Enable the write protection for RTC registers */
       __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
 
       hrtc->State = HAL_RTC_STATE_TIMEOUT;
 
       /* Process Unlocked */
       __HAL_UNLOCK(hrtc);
 
       return HAL_TIMEOUT;
     }
   }
 
   /* Enable the write protection for RTC registers */
   __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
 
   hrtc->State = HAL_RTC_STATE_READY;
 
   /* Process Unlocked */
   __HAL_UNLOCK(hrtc);
 
   return HAL_OK;
 }
 
 /**
   * @brief  Get wake up timer counter.
   * @param  hrtc RTC handle
   * @retval Counter value
   */
 uint32_t HAL_RTCEx_GetWakeUpTimer(RTC_HandleTypeDef *hrtc)
 {
   /* Get the counter value */
   return ((uint32_t)(hrtc->Instance->WUTR & RTC_WUTR_WUT));
 }
 
 /**
   * @brief  Handle Wake Up Timer interrupt request.
   * @param  hrtc RTC handle
   * @retval None
   */
 void HAL_RTCEx_WakeUpTimerIRQHandler(RTC_HandleTypeDef *hrtc)
 {
   /* Clear the EXTI's line Flag for RTC WakeUpTimer */
 #if defined(DUAL_CORE)
   if (HAL_GetCurrentCPUID() == CM7_CPUID)
   {
     __HAL_RTC_WAKEUPTIMER_EXTI_CLEAR_FLAG();
   }
   else
   {
     __HAL_RTC_WAKEUPTIMER_EXTID2_CLEAR_FLAG();
   }
 #else /* SINGLE_CORE */
   __HAL_RTC_WAKEUPTIMER_EXTI_CLEAR_FLAG();
 #endif /* DUAL_CORE */
 
 #if defined(TAMP)
   /* Get the pending status of the WAKEUPTIMER Interrupt */
   if ((hrtc->Instance->MISR & RTC_MISR_WUTMF) != 0u)
   {
     /* Immediately clear flags */
     hrtc->Instance->SCR = RTC_SCR_CWUTF;
 
     /* WAKEUPTIMER callback */
   #if (USE_HAL_RTC_REGISTER_CALLBACKS == 1)
     /* Call WakeUpTimerEvent registered Callback */
     hrtc->WakeUpTimerEventCallback(hrtc);
   #else
     HAL_RTCEx_WakeUpTimerEventCallback(hrtc);
   #endif /* USE_HAL_RTC_REGISTER_CALLBACKS */
   }
 #else
   /* Get the pending status of the WAKEUPTIMER Interrupt */
   if (__HAL_RTC_WAKEUPTIMER_GET_FLAG(hrtc, RTC_FLAG_WUTF) != 0U)
   {
     /* Clear the WAKEUPTIMER interrupt pending bit */
     __HAL_RTC_WAKEUPTIMER_CLEAR_FLAG(hrtc, RTC_FLAG_WUTF);
 
     /* WAKEUPTIMER callback */
   #if (USE_HAL_RTC_REGISTER_CALLBACKS == 1)
     /* Call WakeUpTimerEvent registered Callback */
     hrtc->WakeUpTimerEventCallback(hrtc);
   #else
     HAL_RTCEx_WakeUpTimerEventCallback(hrtc);
   #endif /* USE_HAL_RTC_REGISTER_CALLBACKS */
   }
 #endif /* TAMP */
 
   /* Change RTC state */
   hrtc->State = HAL_RTC_STATE_READY;
 }
 
 /**
   * @brief  Wake Up Timer callback.
   * @param  hrtc RTC handle
   * @retval None
   */
 __weak void HAL_RTCEx_WakeUpTimerEventCallback(RTC_HandleTypeDef * hrtc)
 {
   /* Prevent unused argument(s) compilation warning */
   UNUSED(hrtc);
 
   /* NOTE : This function should not be modified, when the callback is needed,
             the HAL_RTCEx_WakeUpTimerEventCallback could be implemented in the user file
    */
 }
 
 
 /**
   * @brief  Handle Wake Up Timer Polling.
   * @param  hrtc RTC handle
   * @param  Timeout Timeout duration
   * @retval HAL status
   */
 HAL_StatusTypeDef HAL_RTCEx_PollForWakeUpTimerEvent(RTC_HandleTypeDef * hrtc, uint32_t Timeout)
 {
   uint32_t tickstart = HAL_GetTick();
 
   while(__HAL_RTC_WAKEUPTIMER_GET_FLAG(hrtc, RTC_FLAG_WUTF) == 0U)
   {
     if (Timeout != HAL_MAX_DELAY)
     {
       if (((HAL_GetTick() - tickstart) > Timeout) || (Timeout == 0U))
       {
         hrtc->State = HAL_RTC_STATE_TIMEOUT;
         return HAL_TIMEOUT;
       }
     }
   }
 
   /* Clear the WAKEUPTIMER Flag */
   __HAL_RTC_WAKEUPTIMER_CLEAR_FLAG(hrtc, RTC_FLAG_WUTF);
 
   /* Change RTC state */
   hrtc->State = HAL_RTC_STATE_READY;
 
   return HAL_OK;
 }
 
 /**
   * @}
   */
 
 
 /** @addtogroup RTCEx_Exported_Functions_Group6
   * @brief      Extended RTC Backup register functions
   *
 @verbatim
  ===============================================================================
              ##### Extended RTC Backup register functions #####
  ===============================================================================
   [..]
    (+) Before calling any tamper or internal tamper function, you have to call first
        HAL_RTC_Init() function.
    (+) In that ine you can select to output tamper event on RTC pin.
   [..]
    This subsection provides functions allowing to
    (+) Write a data in a specified RTC Backup data register
    (+) Read a data in a specified RTC Backup data register
 @endverbatim
   * @{
   */
 
 
 /**
   * @brief  Write a data in a specified RTC Backup data register.
   * @param  hrtc RTC handle
   * @param  BackupRegister RTC Backup data Register number.
   *          This parameter can be: RTC_BKP_DRx where x can be from 0 to 31 to
   *                                 specify the register.
   * @param  Data Data to be written in the specified Backup data register.
   * @retval None
   */
 void HAL_RTCEx_BKUPWrite(RTC_HandleTypeDef * hrtc, uint32_t BackupRegister, uint32_t Data)
 {
   uint32_t tmp;
 
   /* Check the parameters */
   assert_param(IS_RTC_BKP(BackupRegister));
 
   /* Point on address of first backup register */
 #if defined(TAMP)
   tmp = (uint32_t) & (((TAMP_TypeDef *)((uint32_t)hrtc->Instance + TAMP_OFFSET))->BKP0R);
 #else
   tmp = (uint32_t) & (hrtc->Instance->BKP0R);
 #endif /* TAMP */
 
   tmp += (BackupRegister * 4U);
 
   /* Write the specified register */
   *(__IO uint32_t *)tmp = (uint32_t)Data;
 }
 
 
 /**
   * @brief  Read data from the specified RTC Backup data Register.
   * @param  hrtc RTC handle
   * @param  BackupRegister RTC Backup data Register number.
   *          This parameter can be: RTC_BKP_DRx where x can be from 0 to 31 to
   *                                 specify the register.
   * @retval Read value
   */
 uint32_t HAL_RTCEx_BKUPRead(RTC_HandleTypeDef * hrtc, uint32_t BackupRegister)
 {
   uint32_t tmp;
 
   /* Check the parameters */
   assert_param(IS_RTC_BKP(BackupRegister));
 
   /* Point on address of first backup register */
 #if defined(TAMP)
   tmp = (uint32_t) & (((TAMP_TypeDef *)((uint32_t)hrtc->Instance + TAMP_OFFSET))->BKP0R);
 #else
   tmp = (uint32_t) & (hrtc->Instance->BKP0R);
 #endif /* TAMP */
 
   tmp += (BackupRegister * 4U);
 
   /* Read the specified register */
   return (*(__IO uint32_t *)tmp);
 }
 
 
 /**
   * @}
   */
 
 
 /** @addtogroup RTCEx_Exported_Functions_Group3
   * @brief    Extended Peripheral Control functions
   *
 @verbatim
  ===============================================================================
               ##### Extended Peripheral Control functions #####
  ===============================================================================
     [..]
     This subsection provides functions allowing to
       (+) Write a data in a specified RTC Backup data register
       (+) Read a data in a specified RTC Backup data register
       (+) Set the Smooth calibration parameters.
       (+) Set Low Power calibration parameter (if feature supported).
       (+) Configure the Synchronization Shift Control Settings.
       (+) Configure the Calibration Pinout (RTC_CALIB) Selection (1Hz or 512Hz).
       (+) Deactivate the Calibration Pinout (RTC_CALIB) Selection (1Hz or 512Hz).
       (+) Enable the RTC reference clock detection.
       (+) Disable the RTC reference clock detection.
       (+) Enable the Bypass Shadow feature.
       (+) Disable the Bypass Shadow feature.
 
 @endverbatim
   * @{
   */
 
 
 /**
   * @brief  Set the Smooth calibration parameters.
   * @param  hrtc RTC handle
   * @param  SmoothCalibPeriod Select the Smooth Calibration Period.
   *          This parameter can be can be one of the following values :
   *             @arg RTC_SMOOTHCALIB_PERIOD_32SEC: The smooth calibration period is 32s.
   *             @arg RTC_SMOOTHCALIB_PERIOD_16SEC: The smooth calibration period is 16s.
   *             @arg RTC_SMOOTHCALIB_PERIOD_8SEC: The smooth calibration period is 8s.
   * @param  SmoothCalibPlusPulses Select to Set or reset the CALP bit.
   *          This parameter can be one of the following values:
   *             @arg RTC_SMOOTHCALIB_PLUSPULSES_SET: Add one RTCCLK pulse every 2*11 pulses.
   *             @arg RTC_SMOOTHCALIB_PLUSPULSES_RESET: No RTCCLK pulses are added.
   * @param  SmoothCalibMinusPulsesValue Select the value of CALM[8:0] bits.
   *          This parameter can be one any value from 0 to 0x000001FF.
   * @note   To deactivate the smooth calibration, the field SmoothCalibPlusPulses
   *         must be equal to SMOOTHCALIB_PLUSPULSES_RESET and the field
   *         SmoothCalibMinusPulsesValue must be equal to 0.
   * @retval HAL status
   */
 HAL_StatusTypeDef HAL_RTCEx_SetSmoothCalib(RTC_HandleTypeDef * hrtc, uint32_t SmoothCalibPeriod, uint32_t SmoothCalibPlusPulses, uint32_t SmoothCalibMinusPulsesValue)
 {
   uint32_t tickstart;
 
   /* Check the parameters */
   assert_param(IS_RTC_SMOOTH_CALIB_PERIOD(SmoothCalibPeriod));
   assert_param(IS_RTC_SMOOTH_CALIB_PLUS(SmoothCalibPlusPulses));
   assert_param(IS_RTC_SMOOTH_CALIB_MINUS(SmoothCalibMinusPulsesValue));
 
   /* Process Locked */
   __HAL_LOCK(hrtc);
 
   hrtc->State = HAL_RTC_STATE_BUSY;
 
   /* Disable the write protection for RTC registers */
   __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
 
 #if defined(TAMP)
   /* check if a calibration operation is pending */
   if ((hrtc->Instance->ICSR & RTC_ICSR_RECALPF) != 0U)
   {
     tickstart = HAL_GetTick();
 
     /* Wait for pending calibration operation to finish */
     while ((hrtc->Instance->ICSR & RTC_ICSR_RECALPF) != 0U)
 #else
   /* check if a calibration operation is pending */
   if ((hrtc->Instance->ISR  & RTC_ISR_RECALPF)  != 0U)
   {
     tickstart = HAL_GetTick();
 
     /* Wait for pending calibration operation to finish */
     while ((hrtc->Instance->ISR  & RTC_ISR_RECALPF)  != 0U)
 #endif /* TAMP */
     {
       if ((HAL_GetTick() - tickstart) > RTC_TIMEOUT_VALUE)
       {
         /* Enable the write protection for RTC registers */
         __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
 
         /* Change RTC state */
         hrtc->State = HAL_RTC_STATE_TIMEOUT;
 
         /* Process Unlocked */
         __HAL_UNLOCK(hrtc);
 
         return HAL_TIMEOUT;
       }
     }
   }
 
   /* Configure the Smooth calibration settings */
   MODIFY_REG(hrtc->Instance->CALR, (RTC_CALR_CALP | RTC_CALR_CALW8 | RTC_CALR_CALW16 | RTC_CALR_CALM), (uint32_t)(SmoothCalibPeriod | SmoothCalibPlusPulses | SmoothCalibMinusPulsesValue));
 
   /* Enable the write protection for RTC registers */
   __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
 
   /* Change RTC state */
   hrtc->State = HAL_RTC_STATE_READY;
 
   /* Process Unlocked */
   __HAL_UNLOCK(hrtc);
 
   return HAL_OK;
 }
 
 /**
   * @brief  Configure the Synchronization Shift Control Settings.
   * @note   When REFCKON is set, firmware must not write to Shift control register.
   * @param  hrtc RTC handle
   * @param  ShiftAdd1S Select to add or not 1 second to the time calendar.
   *          This parameter can be one of the following values:
   *             @arg RTC_SHIFTADD1S_SET: Add one second to the clock calendar.
   *             @arg RTC_SHIFTADD1S_RESET: No effect.
   * @param  ShiftSubFS Select the number of Second Fractions to substitute.
   *          This parameter can be one any value from 0 to 0x7FFF.
   * @retval HAL status
   */
 HAL_StatusTypeDef HAL_RTCEx_SetSynchroShift(RTC_HandleTypeDef * hrtc, uint32_t ShiftAdd1S, uint32_t ShiftSubFS)
 {
   uint32_t tickstart;
 
   /* Check the parameters */
   assert_param(IS_RTC_SHIFT_ADD1S(ShiftAdd1S));
   assert_param(IS_RTC_SHIFT_SUBFS(ShiftSubFS));
 
   /* Process Locked */
   __HAL_LOCK(hrtc);
 
   hrtc->State = HAL_RTC_STATE_BUSY;
 
   /* Disable the write protection for RTC registers */
   __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
 
   tickstart = HAL_GetTick();
 
   /* Wait until the shift is completed */
 #if defined(TAMP)
   while ((hrtc->Instance->ICSR & RTC_ICSR_SHPF) != 0U)
 #else
     while ((hrtc->Instance->ISR  & RTC_ISR_SHPF)  != 0U)
 #endif /* TAMP */
     {
       if ((HAL_GetTick() - tickstart) > RTC_TIMEOUT_VALUE)
       {
         /* Enable the write protection for RTC registers */
         __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
 
         hrtc->State = HAL_RTC_STATE_TIMEOUT;
 
         /* Process Unlocked */
         __HAL_UNLOCK(hrtc);
 
         return HAL_TIMEOUT;
       }
     }
 
   /* Check if the reference clock detection is disabled */
   if ((hrtc->Instance->CR & RTC_CR_REFCKON) == 0U)
   {
     /* Configure the Shift settings */
     hrtc->Instance->SHIFTR = (uint32_t)(uint32_t)(ShiftSubFS) | (uint32_t)(ShiftAdd1S);
 
     /* If  RTC_CR_BYPSHAD bit = 0, wait for synchro else this check is not needed */
     if ((hrtc->Instance->CR & RTC_CR_BYPSHAD) == 0U)
     {
       if (HAL_RTC_WaitForSynchro(hrtc) != HAL_OK)
       {
         /* Enable the write protection for RTC registers */
         __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
 
         hrtc->State = HAL_RTC_STATE_ERROR;
 
         /* Process Unlocked */
         __HAL_UNLOCK(hrtc);
 
         return HAL_ERROR;
       }
     }
   }
   else
   {
     /* Enable the write protection for RTC registers */
     __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
 
     /* Change RTC state */
     hrtc->State = HAL_RTC_STATE_ERROR;
 
     /* Process Unlocked */
     __HAL_UNLOCK(hrtc);
 
     return HAL_ERROR;
   }
 
   /* Enable the write protection for RTC registers */
   __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
 
   /* Change RTC state */
   hrtc->State = HAL_RTC_STATE_READY;
 
   /* Process Unlocked */
   __HAL_UNLOCK(hrtc);
 
   return HAL_OK;
 }
 
 /**
   * @brief  Configure the Calibration Pinout (RTC_CALIB) Selection (1Hz or 512Hz).
   * @param  hrtc RTC handle
   * @param  CalibOutput Select the Calibration output Selection.
   *          This parameter can be one of the following values:
   *             @arg RTC_CALIBOUTPUT_512HZ: A signal has a regular waveform at 512Hz.
   *             @arg RTC_CALIBOUTPUT_1HZ: A signal has a regular waveform at 1Hz.
   * @retval HAL status
   */
 HAL_StatusTypeDef HAL_RTCEx_SetCalibrationOutPut(RTC_HandleTypeDef * hrtc, uint32_t CalibOutput)
 {
   /* Check the parameters */
   assert_param(IS_RTC_CALIB_OUTPUT(CalibOutput));
 
   /* Process Locked */
   __HAL_LOCK(hrtc);
 
   hrtc->State = HAL_RTC_STATE_BUSY;
 
   /* Disable the write protection for RTC registers */
   __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
 
   /* Clear flags before config */
   hrtc->Instance->CR &= (uint32_t)~RTC_CR_COSEL;
 
   /* Configure the RTC_CR register */
   hrtc->Instance->CR |= (uint32_t)CalibOutput;
 
   __HAL_RTC_CALIBRATION_OUTPUT_ENABLE(hrtc);
 
   /* Enable the write protection for RTC registers */
   __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
 
   /* Change RTC state */
   hrtc->State = HAL_RTC_STATE_READY;
 
   /* Process Unlocked */
   __HAL_UNLOCK(hrtc);
 
   return HAL_OK;
 }
 
 /**
   * @brief  Deactivate the Calibration Pinout (RTC_CALIB) Selection (1Hz or 512Hz).
   * @param  hrtc RTC handle
   * @retval HAL status
   */
 HAL_StatusTypeDef HAL_RTCEx_DeactivateCalibrationOutPut(RTC_HandleTypeDef * hrtc)
 {
   /* Process Locked */
   __HAL_LOCK(hrtc);
 
   hrtc->State = HAL_RTC_STATE_BUSY;
 
   /* Disable the write protection for RTC registers */
   __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
 
   __HAL_RTC_CALIBRATION_OUTPUT_DISABLE(hrtc);
 
   /* Enable the write protection for RTC registers */
   __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
 
   /* Change RTC state */
   hrtc->State = HAL_RTC_STATE_READY;
 
   /* Process Unlocked */
   __HAL_UNLOCK(hrtc);
 
   return HAL_OK;
 }
 
 /**
   * @brief  Enable the RTC reference clock detection.
   * @param  hrtc RTC handle
   * @retval HAL status
   */
 HAL_StatusTypeDef HAL_RTCEx_SetRefClock(RTC_HandleTypeDef * hrtc)
 {
   HAL_StatusTypeDef status;
   /* Process Locked */
   __HAL_LOCK(hrtc);
 
   hrtc->State = HAL_RTC_STATE_BUSY;
 
   /* Disable the write protection for RTC registers */
   __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
 
   /* Enter Initialization mode */
   status = RTC_EnterInitMode(hrtc);
   if (status == HAL_OK)
   {
     __HAL_RTC_CLOCKREF_DETECTION_ENABLE(hrtc);
 
     /* Exit Initialization mode */
     status = RTC_ExitInitMode(hrtc);
   }
 
   /* Enable the write protection for RTC registers */
   __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
   if (status == HAL_OK)
   {
     /* Change RTC state */
     hrtc->State = HAL_RTC_STATE_READY;
   }
   /* Process Unlocked */
   __HAL_UNLOCK(hrtc);
 
   return HAL_OK;
 }
 
 /**
   * @brief  Disable the RTC reference clock detection.
   * @param  hrtc RTC handle
   * @retval HAL status
   */
 HAL_StatusTypeDef HAL_RTCEx_DeactivateRefClock(RTC_HandleTypeDef * hrtc)
 {
   HAL_StatusTypeDef status;
   /* Process Locked */
   __HAL_LOCK(hrtc);
 
   hrtc->State = HAL_RTC_STATE_BUSY;
 
   /* Disable the write protection for RTC registers */
   __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
 
   /* Enter Initialization mode */
   status = RTC_EnterInitMode(hrtc);
   if (status == HAL_OK)
   {
     __HAL_RTC_CLOCKREF_DETECTION_DISABLE(hrtc);
 
     /* Exit Initialization mode */
     status = RTC_ExitInitMode(hrtc);
   }
 
   /* Enable the write protection for RTC registers */
   __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
 
   if (status == HAL_OK)
   {
     /* Change RTC state */
     hrtc->State = HAL_RTC_STATE_READY;
 
   }
 
   /* Process Unlocked */
   __HAL_UNLOCK(hrtc);
 
   return HAL_OK;
 }
 
 /**
   * @brief  Enable the Bypass Shadow feature.
   * @note   When the Bypass Shadow is enabled the calendar value are taken
   *         directly from the Calendar counter.
   * @param  hrtc RTC handle
   * @retval HAL status
   */
 HAL_StatusTypeDef HAL_RTCEx_EnableBypassShadow(RTC_HandleTypeDef * hrtc)
 {
   /* Process Locked */
   __HAL_LOCK(hrtc);
 
   hrtc->State = HAL_RTC_STATE_BUSY;
 
   /* Disable the write protection for RTC registers */
   __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
 
   /* Set the BYPSHAD bit */
   hrtc->Instance->CR |= (uint8_t)RTC_CR_BYPSHAD;
 
   /* Enable the write protection for RTC registers */
   __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
 
   /* Change RTC state */
   hrtc->State = HAL_RTC_STATE_READY;
 
   /* Process Unlocked */
   __HAL_UNLOCK(hrtc);
 
   return HAL_OK;
 }
 
 /**
   * @brief  Disable the Bypass Shadow feature.
   * @note   When the Bypass Shadow is enabled the calendar value are taken
   *         directly from the Calendar counter.
   * @param  hrtc RTC handle
   * @retval HAL status
   */
 HAL_StatusTypeDef HAL_RTCEx_DisableBypassShadow(RTC_HandleTypeDef * hrtc)
 {
   /* Process Locked */
   __HAL_LOCK(hrtc);
 
   hrtc->State = HAL_RTC_STATE_BUSY;
 
   /* Disable the write protection for RTC registers */
   __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
 
   /* Reset the BYPSHAD bit */
   hrtc->Instance->CR &= ((uint8_t)~RTC_CR_BYPSHAD);
 
   /* Enable the write protection for RTC registers */
   __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
 
   /* Change RTC state */
   hrtc->State = HAL_RTC_STATE_READY;
 
   /* Process Unlocked */
   __HAL_UNLOCK(hrtc);
 
   return HAL_OK;
 }
 
 #if defined(TAMP)
 /**
   * @brief  Increment Monotonic counter.
   * @param  hrtc RTC handle
   * @param  Instance  Monotonic counter Instance
   *         This parameter can be can be one of the following values :
   *           @arg RTC_MONOTONIC_COUNTER_1
   * @retval HAL status
   */
 HAL_StatusTypeDef HAL_RTCEx_MonotonicCounterIncrement(RTC_HandleTypeDef *hrtc,  uint32_t Instance)
 {
   UNUSED(hrtc);
   UNUSED(Instance);
   /* This register is read-only only and is incremented by one when a write access is done to this
      register. This register cannot roll-over and is frozen when reaching the maximum value. */
   CLEAR_REG(TAMP->COUNTR);
 
   return HAL_OK;
 }
 
 /**
   * @brief  Monotonic counter incrementation.
   * @param  hrtc RTC handle
   * @param  Instance  Monotonic counter Instance
   *         This parameter can be can be one of the following values :
   *           @arg RTC_MONOTONIC_COUNTER_1
   * @param  Counter monotonic counter value
   * @retval HAL status
   */
 HAL_StatusTypeDef HAL_RTCEx_MonotonicCounterGet(RTC_HandleTypeDef *hrtc, uint32_t *Counter,  uint32_t Instance)
 {
   UNUSED(hrtc);
   UNUSED(Instance);
   /* This register is read-only only and is incremented by one when a write access is done to this
      register. This register cannot roll-over and is frozen when reaching the maximum value. */
   *Counter = READ_REG(TAMP->COUNTR);
 
   return HAL_OK;
 }
 #endif /* TAMP */
 
 /**
   * @}
   */
 
 /** @addtogroup RTCEx_Exported_Functions_Group4
   * @brief    Extended features functions
   *
 @verbatim
  ===============================================================================
                  ##### Extended features functions #####
  ===============================================================================
     [..]  This section provides functions allowing to:
       (+) RTC Alarm B callback
       (+) RTC Poll for Alarm B request
 
 @endverbatim
   * @{
   */
 
 /**
   * @brief  Alarm B callback.
   * @param  hrtc RTC handle
   * @retval None
   */
 __weak void HAL_RTCEx_AlarmBEventCallback(RTC_HandleTypeDef * hrtc)
 {
   /* Prevent unused argument(s) compilation warning */
   UNUSED(hrtc);
 
   /* NOTE : This function should not be modified, when the callback is needed,
             the HAL_RTCEx_AlarmBEventCallback could be implemented in the user file
    */
 }
 
 /**
   * @brief  Handle Alarm B Polling request.
   * @param  hrtc RTC handle
   * @param  Timeout Timeout duration
   * @retval HAL status
   */
 HAL_StatusTypeDef HAL_RTCEx_PollForAlarmBEvent(RTC_HandleTypeDef * hrtc, uint32_t Timeout)
 {
   uint32_t tickstart = HAL_GetTick();
 
   while (__HAL_RTC_ALARM_GET_FLAG(hrtc, RTC_FLAG_ALRBF) == 0U)
   {
     if (Timeout != HAL_MAX_DELAY)
     {
       if (((HAL_GetTick() - tickstart) > Timeout) || (Timeout == 0U))
       {
         hrtc->State = HAL_RTC_STATE_TIMEOUT;
         return HAL_TIMEOUT;
       }
     }
   }
 
   /* Clear the Alarm Flag */
   __HAL_RTC_ALARM_CLEAR_FLAG(hrtc, RTC_FLAG_ALRBF);
 
   /* Change RTC state */
   hrtc->State = HAL_RTC_STATE_READY;
 
   return HAL_OK;
 }
 
 /**
   * @}
   */
 
 
 /**
   * @}
   */
 
 #endif /* HAL_RTC_MODULE_ENABLED */
 
 /**
   * @}
   */
 
 /**
   * @}
   */
 

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