--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_ll_rtc.c	Thu Mar 07 15:06:43 2019 +0100
@@ -0,0 +1,892 @@
+/**
+  ******************************************************************************
+  * @file    stm32f4xx_ll_rtc.c
+  * @author  MCD Application Team
+  * @brief   RTC LL module driver.
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; COPYRIGHT(c) 2017 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.
+  *
+  ******************************************************************************
+  */
+#if defined(USE_FULL_LL_DRIVER)
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f4xx_ll_rtc.h"
+#include "stm32f4xx_ll_cortex.h"
+#ifdef  USE_FULL_ASSERT
+#include "stm32_assert.h"
+#else
+#define assert_param(expr) ((void)0U)
+#endif
+
+/** @addtogroup STM32F4xx_LL_Driver
+  * @{
+  */
+
+#if defined(RTC)
+
+/** @addtogroup RTC_LL
+  * @{
+  */
+
+/* Private types -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private constants ---------------------------------------------------------*/
+/** @addtogroup RTC_LL_Private_Constants
+  * @{
+  */
+/* Default values used for prescaler */
+#define RTC_ASYNCH_PRESC_DEFAULT     0x0000007FU
+#define RTC_SYNCH_PRESC_DEFAULT      0x000000FFU
+
+/* Values used for timeout */
+#define RTC_INITMODE_TIMEOUT         1000U /* 1s when tick set to 1ms */
+#define RTC_SYNCHRO_TIMEOUT          1000U /* 1s when tick set to 1ms */
+/**
+  * @}
+  */
+
+/* Private macros ------------------------------------------------------------*/
+/** @addtogroup RTC_LL_Private_Macros
+  * @{
+  */
+
+#define IS_LL_RTC_HOURFORMAT(__VALUE__) (((__VALUE__) == LL_RTC_HOURFORMAT_24HOUR) \
+                                      || ((__VALUE__) == LL_RTC_HOURFORMAT_AMPM))
+
+#define IS_LL_RTC_ASYNCH_PREDIV(__VALUE__)   ((__VALUE__) <= 0x7FU)
+
+#define IS_LL_RTC_SYNCH_PREDIV(__VALUE__)    ((__VALUE__) <= 0x7FFFU)
+
+#define IS_LL_RTC_FORMAT(__VALUE__) (((__VALUE__) == LL_RTC_FORMAT_BIN) \
+                                  || ((__VALUE__) == LL_RTC_FORMAT_BCD))
+
+#define IS_LL_RTC_TIME_FORMAT(__VALUE__) (((__VALUE__) == LL_RTC_TIME_FORMAT_AM_OR_24) \
+                                       || ((__VALUE__) == LL_RTC_TIME_FORMAT_PM))
+
+#define IS_LL_RTC_HOUR12(__HOUR__)            (((__HOUR__) > 0U) && ((__HOUR__) <= 12U))
+#define IS_LL_RTC_HOUR24(__HOUR__)            ((__HOUR__) <= 23U)
+#define IS_LL_RTC_MINUTES(__MINUTES__)        ((__MINUTES__) <= 59U)
+#define IS_LL_RTC_SECONDS(__SECONDS__)        ((__SECONDS__) <= 59U)
+
+#define IS_LL_RTC_WEEKDAY(__VALUE__) (((__VALUE__) == LL_RTC_WEEKDAY_MONDAY) \
+                                   || ((__VALUE__) == LL_RTC_WEEKDAY_TUESDAY) \
+                                   || ((__VALUE__) == LL_RTC_WEEKDAY_WEDNESDAY) \
+                                   || ((__VALUE__) == LL_RTC_WEEKDAY_THURSDAY) \
+                                   || ((__VALUE__) == LL_RTC_WEEKDAY_FRIDAY) \
+                                   || ((__VALUE__) == LL_RTC_WEEKDAY_SATURDAY) \
+                                   || ((__VALUE__) == LL_RTC_WEEKDAY_SUNDAY))
+
+#define IS_LL_RTC_DAY(__DAY__)    (((__DAY__) >= 1U) && ((__DAY__) <= 31U))
+
+#define IS_LL_RTC_MONTH(__VALUE__) (((__VALUE__) == LL_RTC_MONTH_JANUARY) \
+                                 || ((__VALUE__) == LL_RTC_MONTH_FEBRUARY) \
+                                 || ((__VALUE__) == LL_RTC_MONTH_MARCH) \
+                                 || ((__VALUE__) == LL_RTC_MONTH_APRIL) \
+                                 || ((__VALUE__) == LL_RTC_MONTH_MAY) \
+                                 || ((__VALUE__) == LL_RTC_MONTH_JUNE) \
+                                 || ((__VALUE__) == LL_RTC_MONTH_JULY) \
+                                 || ((__VALUE__) == LL_RTC_MONTH_AUGUST) \
+                                 || ((__VALUE__) == LL_RTC_MONTH_SEPTEMBER) \
+                                 || ((__VALUE__) == LL_RTC_MONTH_OCTOBER) \
+                                 || ((__VALUE__) == LL_RTC_MONTH_NOVEMBER) \
+                                 || ((__VALUE__) == LL_RTC_MONTH_DECEMBER))
+
+#define IS_LL_RTC_YEAR(__YEAR__) ((__YEAR__) <= 99U)
+
+#define IS_LL_RTC_ALMA_MASK(__VALUE__) (((__VALUE__) == LL_RTC_ALMA_MASK_NONE) \
+                                     || ((__VALUE__) == LL_RTC_ALMA_MASK_DATEWEEKDAY) \
+                                     || ((__VALUE__) == LL_RTC_ALMA_MASK_HOURS) \
+                                     || ((__VALUE__) == LL_RTC_ALMA_MASK_MINUTES) \
+                                     || ((__VALUE__) == LL_RTC_ALMA_MASK_SECONDS) \
+                                     || ((__VALUE__) == LL_RTC_ALMA_MASK_ALL))
+
+#define IS_LL_RTC_ALMB_MASK(__VALUE__) (((__VALUE__) == LL_RTC_ALMB_MASK_NONE) \
+                                     || ((__VALUE__) == LL_RTC_ALMB_MASK_DATEWEEKDAY) \
+                                     || ((__VALUE__) == LL_RTC_ALMB_MASK_HOURS) \
+                                     || ((__VALUE__) == LL_RTC_ALMB_MASK_MINUTES) \
+                                     || ((__VALUE__) == LL_RTC_ALMB_MASK_SECONDS) \
+                                     || ((__VALUE__) == LL_RTC_ALMB_MASK_ALL))
+
+
+#define IS_LL_RTC_ALMA_DATE_WEEKDAY_SEL(__SEL__) (((__SEL__) == LL_RTC_ALMA_DATEWEEKDAYSEL_DATE) || \
+                                                  ((__SEL__) == LL_RTC_ALMA_DATEWEEKDAYSEL_WEEKDAY))
+
+#define IS_LL_RTC_ALMB_DATE_WEEKDAY_SEL(__SEL__) (((__SEL__) == LL_RTC_ALMB_DATEWEEKDAYSEL_DATE) || \
+                                                  ((__SEL__) == LL_RTC_ALMB_DATEWEEKDAYSEL_WEEKDAY))
+
+
+/**
+  * @}
+  */
+/* Private function prototypes -----------------------------------------------*/
+/* Exported functions --------------------------------------------------------*/
+/** @addtogroup RTC_LL_Exported_Functions
+  * @{
+  */
+
+/** @addtogroup RTC_LL_EF_Init
+  * @{
+  */
+
+/**
+  * @brief  De-Initializes the RTC registers to their default reset values.
+  * @note   This function doesn't reset the RTC Clock source and RTC Backup Data
+  *         registers.
+  * @param  RTCx RTC Instance
+  * @retval An ErrorStatus enumeration value:
+  *          - SUCCESS: RTC registers are de-initialized
+  *          - ERROR: RTC registers are not de-initialized
+  */
+ErrorStatus LL_RTC_DeInit(RTC_TypeDef *RTCx)
+{
+  ErrorStatus status = ERROR;
+
+  /* Check the parameter */
+  assert_param(IS_RTC_ALL_INSTANCE(RTCx));
+
+  /* Disable the write protection for RTC registers */
+  LL_RTC_DisableWriteProtection(RTCx);
+
+  /* Set Initialization mode */
+  if (LL_RTC_EnterInitMode(RTCx) != ERROR)
+  {
+    /* Reset TR, DR and CR registers */
+    LL_RTC_WriteReg(RTCx, TR,       0x00000000U);
+#if defined(RTC_WAKEUP_SUPPORT)
+    LL_RTC_WriteReg(RTCx, WUTR,     RTC_WUTR_WUT);
+#endif /* RTC_WAKEUP_SUPPORT */
+    LL_RTC_WriteReg(RTCx, DR  ,     (RTC_DR_WDU_0 | RTC_DR_MU_0 | RTC_DR_DU_0));
+    /* Reset All CR bits except CR[2:0] */
+#if defined(RTC_WAKEUP_SUPPORT)
+    LL_RTC_WriteReg(RTCx, CR, (LL_RTC_ReadReg(RTCx, CR) & RTC_CR_WUCKSEL));
+#else
+    LL_RTC_WriteReg(RTCx, CR, 0x00000000U);
+#endif /* RTC_WAKEUP_SUPPORT */
+    LL_RTC_WriteReg(RTCx, PRER,     (RTC_PRER_PREDIV_A | RTC_SYNCH_PRESC_DEFAULT));
+    LL_RTC_WriteReg(RTCx, ALRMAR,   0x00000000U);
+    LL_RTC_WriteReg(RTCx, ALRMBR,   0x00000000U);
+    LL_RTC_WriteReg(RTCx, SHIFTR,   0x00000000U);
+    LL_RTC_WriteReg(RTCx, CALR,     0x00000000U);
+    LL_RTC_WriteReg(RTCx, ALRMASSR, 0x00000000U);
+    LL_RTC_WriteReg(RTCx, ALRMBSSR, 0x00000000U);
+
+    /* Reset ISR register and exit initialization mode */
+    LL_RTC_WriteReg(RTCx, ISR,      0x00000000U);
+
+    /* Reset Tamper and alternate functions configuration register */
+    LL_RTC_WriteReg(RTCx, TAFCR, 0x00000000U);
+
+    /* Wait till the RTC RSF flag is set */
+    status = LL_RTC_WaitForSynchro(RTCx);
+  }
+
+  /* Enable the write protection for RTC registers */
+  LL_RTC_EnableWriteProtection(RTCx);
+
+  return status;
+}
+
+/**
+  * @brief  Initializes the RTC registers according to the specified parameters
+  *         in RTC_InitStruct.
+  * @param  RTCx RTC Instance
+  * @param  RTC_InitStruct pointer to a @ref LL_RTC_InitTypeDef structure that contains
+  *         the configuration information for the RTC peripheral.
+  * @note   The RTC Prescaler register is write protected and can be written in
+  *         initialization mode only.
+  * @retval An ErrorStatus enumeration value:
+  *          - SUCCESS: RTC registers are initialized
+  *          - ERROR: RTC registers are not initialized
+  */
+ErrorStatus LL_RTC_Init(RTC_TypeDef *RTCx, LL_RTC_InitTypeDef *RTC_InitStruct)
+{
+  ErrorStatus status = ERROR;
+
+  /* Check the parameters */
+  assert_param(IS_RTC_ALL_INSTANCE(RTCx));
+  assert_param(IS_LL_RTC_HOURFORMAT(RTC_InitStruct->HourFormat));
+  assert_param(IS_LL_RTC_ASYNCH_PREDIV(RTC_InitStruct->AsynchPrescaler));
+  assert_param(IS_LL_RTC_SYNCH_PREDIV(RTC_InitStruct->SynchPrescaler));
+
+  /* Disable the write protection for RTC registers */
+  LL_RTC_DisableWriteProtection(RTCx);
+
+  /* Set Initialization mode */
+  if (LL_RTC_EnterInitMode(RTCx) != ERROR)
+  {
+    /* Set Hour Format */
+    LL_RTC_SetHourFormat(RTCx, RTC_InitStruct->HourFormat);
+
+    /* Configure Synchronous and Asynchronous prescaler factor */
+    LL_RTC_SetSynchPrescaler(RTCx, RTC_InitStruct->SynchPrescaler);
+    LL_RTC_SetAsynchPrescaler(RTCx, RTC_InitStruct->AsynchPrescaler);
+
+    /* Exit Initialization mode */
+    LL_RTC_DisableInitMode(RTCx);
+
+    status = SUCCESS;
+  }
+  /* Enable the write protection for RTC registers */
+  LL_RTC_EnableWriteProtection(RTCx);
+
+  return status;
+}
+
+/**
+  * @brief  Set each @ref LL_RTC_InitTypeDef field to default value.
+  * @param  RTC_InitStruct pointer to a @ref LL_RTC_InitTypeDef structure which will be initialized.
+  * @retval None
+  */
+void LL_RTC_StructInit(LL_RTC_InitTypeDef *RTC_InitStruct)
+{
+  /* Set RTC_InitStruct fields to default values */
+  RTC_InitStruct->HourFormat      = LL_RTC_HOURFORMAT_24HOUR;
+  RTC_InitStruct->AsynchPrescaler = RTC_ASYNCH_PRESC_DEFAULT;
+  RTC_InitStruct->SynchPrescaler  = RTC_SYNCH_PRESC_DEFAULT;
+}
+
+/**
+  * @brief  Set the RTC current time.
+  * @param  RTCx RTC Instance
+  * @param  RTC_Format This parameter can be one of the following values:
+  *         @arg @ref LL_RTC_FORMAT_BIN
+  *         @arg @ref LL_RTC_FORMAT_BCD
+  * @param  RTC_TimeStruct pointer to a RTC_TimeTypeDef structure that contains
+  *                        the time configuration information for the RTC.
+  * @retval An ErrorStatus enumeration value:
+  *          - SUCCESS: RTC Time register is configured
+  *          - ERROR: RTC Time register is not configured
+  */
+ErrorStatus LL_RTC_TIME_Init(RTC_TypeDef *RTCx, uint32_t RTC_Format, LL_RTC_TimeTypeDef *RTC_TimeStruct)
+{
+  ErrorStatus status = ERROR;
+
+  /* Check the parameters */
+  assert_param(IS_RTC_ALL_INSTANCE(RTCx));
+  assert_param(IS_LL_RTC_FORMAT(RTC_Format));
+
+  if (RTC_Format == LL_RTC_FORMAT_BIN)
+  {
+    if (LL_RTC_GetHourFormat(RTCx) != LL_RTC_HOURFORMAT_24HOUR)
+    {
+      assert_param(IS_LL_RTC_HOUR12(RTC_TimeStruct->Hours));
+      assert_param(IS_LL_RTC_TIME_FORMAT(RTC_TimeStruct->TimeFormat));
+    }
+    else
+    {
+      RTC_TimeStruct->TimeFormat = 0x00U;
+      assert_param(IS_LL_RTC_HOUR24(RTC_TimeStruct->Hours));
+    }
+    assert_param(IS_LL_RTC_MINUTES(RTC_TimeStruct->Minutes));
+    assert_param(IS_LL_RTC_SECONDS(RTC_TimeStruct->Seconds));
+  }
+  else
+  {
+    if (LL_RTC_GetHourFormat(RTCx) != LL_RTC_HOURFORMAT_24HOUR)
+    {
+      assert_param(IS_LL_RTC_HOUR12(__LL_RTC_CONVERT_BCD2BIN(RTC_TimeStruct->Hours)));
+      assert_param(IS_LL_RTC_TIME_FORMAT(RTC_TimeStruct->TimeFormat));
+    }
+    else
+    {
+      RTC_TimeStruct->TimeFormat = 0x00U;
+      assert_param(IS_LL_RTC_HOUR24(__LL_RTC_CONVERT_BCD2BIN(RTC_TimeStruct->Hours)));
+    }
+    assert_param(IS_LL_RTC_MINUTES(__LL_RTC_CONVERT_BCD2BIN(RTC_TimeStruct->Minutes)));
+    assert_param(IS_LL_RTC_SECONDS(__LL_RTC_CONVERT_BCD2BIN(RTC_TimeStruct->Seconds)));
+  }
+
+  /* Disable the write protection for RTC registers */
+  LL_RTC_DisableWriteProtection(RTCx);
+
+  /* Set Initialization mode */
+  if (LL_RTC_EnterInitMode(RTCx) != ERROR)
+  {
+    /* Check the input parameters format */
+    if (RTC_Format != LL_RTC_FORMAT_BIN)
+    {
+      LL_RTC_TIME_Config(RTCx, RTC_TimeStruct->TimeFormat, RTC_TimeStruct->Hours,
+                         RTC_TimeStruct->Minutes, RTC_TimeStruct->Seconds);
+    }
+    else
+    {
+      LL_RTC_TIME_Config(RTCx, RTC_TimeStruct->TimeFormat, __LL_RTC_CONVERT_BIN2BCD(RTC_TimeStruct->Hours),
+                         __LL_RTC_CONVERT_BIN2BCD(RTC_TimeStruct->Minutes),
+                         __LL_RTC_CONVERT_BIN2BCD(RTC_TimeStruct->Seconds));
+    }
+
+    /* Exit Initialization mode */
+    LL_RTC_DisableInitMode(RTC);
+
+    /* If  RTC_CR_BYPSHAD bit = 0, wait for synchro else this check is not needed */
+    if (LL_RTC_IsShadowRegBypassEnabled(RTCx) == 0U)
+    {
+      status = LL_RTC_WaitForSynchro(RTCx);
+    }
+    else
+    {
+      status = SUCCESS;
+    }
+  }
+  /* Enable the write protection for RTC registers */
+  LL_RTC_EnableWriteProtection(RTCx);
+
+  return status;
+}
+
+/**
+  * @brief  Set each @ref LL_RTC_TimeTypeDef field to default value (Time = 00h:00min:00sec).
+  * @param  RTC_TimeStruct pointer to a @ref LL_RTC_TimeTypeDef structure which will be initialized.
+  * @retval None
+  */
+void LL_RTC_TIME_StructInit(LL_RTC_TimeTypeDef *RTC_TimeStruct)
+{
+  /* Time = 00h:00min:00sec */
+  RTC_TimeStruct->TimeFormat = LL_RTC_TIME_FORMAT_AM_OR_24;
+  RTC_TimeStruct->Hours      = 0U;
+  RTC_TimeStruct->Minutes    = 0U;
+  RTC_TimeStruct->Seconds    = 0U;
+}
+
+/**
+  * @brief  Set the RTC current date.
+  * @param  RTCx RTC Instance
+  * @param  RTC_Format This parameter can be one of the following values:
+  *         @arg @ref LL_RTC_FORMAT_BIN
+  *         @arg @ref LL_RTC_FORMAT_BCD
+  * @param  RTC_DateStruct pointer to a RTC_DateTypeDef structure that contains
+  *                         the date configuration information for the RTC.
+  * @retval An ErrorStatus enumeration value:
+  *          - SUCCESS: RTC Day register is configured
+  *          - ERROR: RTC Day register is not configured
+  */
+ErrorStatus LL_RTC_DATE_Init(RTC_TypeDef *RTCx, uint32_t RTC_Format, LL_RTC_DateTypeDef *RTC_DateStruct)
+{
+  ErrorStatus status = ERROR;
+
+  /* Check the parameters */
+  assert_param(IS_RTC_ALL_INSTANCE(RTCx));
+  assert_param(IS_LL_RTC_FORMAT(RTC_Format));
+
+  if ((RTC_Format == LL_RTC_FORMAT_BIN) && ((RTC_DateStruct->Month & 0x10U) == 0x10U))
+  {
+    RTC_DateStruct->Month = (RTC_DateStruct->Month & (uint32_t)~(0x10U)) + 0x0AU;
+  }
+  if (RTC_Format == LL_RTC_FORMAT_BIN)
+  {
+    assert_param(IS_LL_RTC_YEAR(RTC_DateStruct->Year));
+    assert_param(IS_LL_RTC_MONTH(RTC_DateStruct->Month));
+    assert_param(IS_LL_RTC_DAY(RTC_DateStruct->Day));
+  }
+  else
+  {
+    assert_param(IS_LL_RTC_YEAR(__LL_RTC_CONVERT_BCD2BIN(RTC_DateStruct->Year)));
+    assert_param(IS_LL_RTC_MONTH(__LL_RTC_CONVERT_BCD2BIN(RTC_DateStruct->Month)));
+    assert_param(IS_LL_RTC_DAY(__LL_RTC_CONVERT_BCD2BIN(RTC_DateStruct->Day)));
+  }
+  assert_param(IS_LL_RTC_WEEKDAY(RTC_DateStruct->WeekDay));
+
+  /* Disable the write protection for RTC registers */
+  LL_RTC_DisableWriteProtection(RTCx);
+
+  /* Set Initialization mode */
+  if (LL_RTC_EnterInitMode(RTCx) != ERROR)
+  {
+    /* Check the input parameters format */
+    if (RTC_Format != LL_RTC_FORMAT_BIN)
+    {
+      LL_RTC_DATE_Config(RTCx, RTC_DateStruct->WeekDay, RTC_DateStruct->Day, RTC_DateStruct->Month, RTC_DateStruct->Year);
+    }
+    else
+    {
+      LL_RTC_DATE_Config(RTCx, RTC_DateStruct->WeekDay, __LL_RTC_CONVERT_BIN2BCD(RTC_DateStruct->Day),
+                         __LL_RTC_CONVERT_BIN2BCD(RTC_DateStruct->Month), __LL_RTC_CONVERT_BIN2BCD(RTC_DateStruct->Year));
+    }
+
+    /* Exit Initialization mode */
+    LL_RTC_DisableInitMode(RTC);
+
+    /* If  RTC_CR_BYPSHAD bit = 0, wait for synchro else this check is not needed */
+    if (LL_RTC_IsShadowRegBypassEnabled(RTCx) == 0U)
+    {
+      status = LL_RTC_WaitForSynchro(RTCx);
+    }
+    else
+    {
+      status = SUCCESS;
+    }
+  }
+  /* Enable the write protection for RTC registers */
+  LL_RTC_EnableWriteProtection(RTCx);
+
+  return status;
+}
+
+/**
+  * @brief  Set each @ref LL_RTC_DateTypeDef field to default value (date = Monday, January 01 xx00)
+  * @param  RTC_DateStruct pointer to a @ref LL_RTC_DateTypeDef structure which will be initialized.
+  * @retval None
+  */
+void LL_RTC_DATE_StructInit(LL_RTC_DateTypeDef *RTC_DateStruct)
+{
+  /* Monday, January 01 xx00 */
+  RTC_DateStruct->WeekDay = LL_RTC_WEEKDAY_MONDAY;
+  RTC_DateStruct->Day     = 1U;
+  RTC_DateStruct->Month   = LL_RTC_MONTH_JANUARY;
+  RTC_DateStruct->Year    = 0U;
+}
+
+/**
+  * @brief  Set the RTC Alarm A.
+  * @note   The Alarm register can only be written when the corresponding Alarm
+  *         is disabled (Use @ref LL_RTC_ALMA_Disable function).
+  * @param  RTCx RTC Instance
+  * @param  RTC_Format This parameter can be one of the following values:
+  *         @arg @ref LL_RTC_FORMAT_BIN
+  *         @arg @ref LL_RTC_FORMAT_BCD
+  * @param  RTC_AlarmStruct pointer to a @ref LL_RTC_AlarmTypeDef structure that
+  *                         contains the alarm configuration parameters.
+  * @retval An ErrorStatus enumeration value:
+  *          - SUCCESS: ALARMA registers are configured
+  *          - ERROR: ALARMA registers are not configured
+  */
+ErrorStatus LL_RTC_ALMA_Init(RTC_TypeDef *RTCx, uint32_t RTC_Format, LL_RTC_AlarmTypeDef *RTC_AlarmStruct)
+{
+  /* Check the parameters */
+  assert_param(IS_RTC_ALL_INSTANCE(RTCx));
+  assert_param(IS_LL_RTC_FORMAT(RTC_Format));
+  assert_param(IS_LL_RTC_ALMA_MASK(RTC_AlarmStruct->AlarmMask));
+  assert_param(IS_LL_RTC_ALMA_DATE_WEEKDAY_SEL(RTC_AlarmStruct->AlarmDateWeekDaySel));
+
+  if (RTC_Format == LL_RTC_FORMAT_BIN)
+  {
+    if (LL_RTC_GetHourFormat(RTCx) != LL_RTC_HOURFORMAT_24HOUR)
+    {
+      assert_param(IS_LL_RTC_HOUR12(RTC_AlarmStruct->AlarmTime.Hours));
+      assert_param(IS_LL_RTC_TIME_FORMAT(RTC_AlarmStruct->AlarmTime.TimeFormat));
+    }
+    else
+    {
+      RTC_AlarmStruct->AlarmTime.TimeFormat = 0x00U;
+      assert_param(IS_LL_RTC_HOUR24(RTC_AlarmStruct->AlarmTime.Hours));
+    }
+    assert_param(IS_LL_RTC_MINUTES(RTC_AlarmStruct->AlarmTime.Minutes));
+    assert_param(IS_LL_RTC_SECONDS(RTC_AlarmStruct->AlarmTime.Seconds));
+
+    if (RTC_AlarmStruct->AlarmDateWeekDaySel == LL_RTC_ALMA_DATEWEEKDAYSEL_DATE)
+    {
+      assert_param(IS_LL_RTC_DAY(RTC_AlarmStruct->AlarmDateWeekDay));
+    }
+    else
+    {
+      assert_param(IS_LL_RTC_WEEKDAY(RTC_AlarmStruct->AlarmDateWeekDay));
+    }
+  }
+  else
+  {
+    if (LL_RTC_GetHourFormat(RTCx) != LL_RTC_HOURFORMAT_24HOUR)
+    {
+      assert_param(IS_LL_RTC_HOUR12(__LL_RTC_CONVERT_BCD2BIN(RTC_AlarmStruct->AlarmTime.Hours)));
+      assert_param(IS_LL_RTC_TIME_FORMAT(RTC_AlarmStruct->AlarmTime.TimeFormat));
+    }
+    else
+    {
+      RTC_AlarmStruct->AlarmTime.TimeFormat = 0x00U;
+      assert_param(IS_LL_RTC_HOUR24(__LL_RTC_CONVERT_BCD2BIN(RTC_AlarmStruct->AlarmTime.Hours)));
+    }
+
+    assert_param(IS_LL_RTC_MINUTES(__LL_RTC_CONVERT_BCD2BIN(RTC_AlarmStruct->AlarmTime.Minutes)));
+    assert_param(IS_LL_RTC_SECONDS(__LL_RTC_CONVERT_BCD2BIN(RTC_AlarmStruct->AlarmTime.Seconds)));
+
+    if (RTC_AlarmStruct->AlarmDateWeekDaySel == LL_RTC_ALMA_DATEWEEKDAYSEL_DATE)
+    {
+      assert_param(IS_LL_RTC_DAY(__LL_RTC_CONVERT_BCD2BIN(RTC_AlarmStruct->AlarmDateWeekDay)));
+    }
+    else
+    {
+      assert_param(IS_LL_RTC_WEEKDAY(__LL_RTC_CONVERT_BCD2BIN(RTC_AlarmStruct->AlarmDateWeekDay)));
+    }
+  }
+
+  /* Disable the write protection for RTC registers */
+  LL_RTC_DisableWriteProtection(RTCx);
+
+  /* Select weekday selection */
+  if (RTC_AlarmStruct->AlarmDateWeekDaySel == LL_RTC_ALMA_DATEWEEKDAYSEL_DATE)
+  {
+    /* Set the date for ALARM */
+    LL_RTC_ALMA_DisableWeekday(RTCx);
+    if (RTC_Format != LL_RTC_FORMAT_BIN)
+    {
+      LL_RTC_ALMA_SetDay(RTCx, RTC_AlarmStruct->AlarmDateWeekDay);
+    }
+    else
+    {
+      LL_RTC_ALMA_SetDay(RTCx, __LL_RTC_CONVERT_BIN2BCD(RTC_AlarmStruct->AlarmDateWeekDay));
+    }
+  }
+  else
+  {
+    /* Set the week day for ALARM */
+    LL_RTC_ALMA_EnableWeekday(RTCx);
+    LL_RTC_ALMA_SetWeekDay(RTCx, RTC_AlarmStruct->AlarmDateWeekDay);
+  }
+
+  /* Configure the Alarm register */
+  if (RTC_Format != LL_RTC_FORMAT_BIN)
+  {
+    LL_RTC_ALMA_ConfigTime(RTCx, RTC_AlarmStruct->AlarmTime.TimeFormat, RTC_AlarmStruct->AlarmTime.Hours,
+                           RTC_AlarmStruct->AlarmTime.Minutes, RTC_AlarmStruct->AlarmTime.Seconds);
+  }
+  else
+  {
+    LL_RTC_ALMA_ConfigTime(RTCx, RTC_AlarmStruct->AlarmTime.TimeFormat,
+                           __LL_RTC_CONVERT_BIN2BCD(RTC_AlarmStruct->AlarmTime.Hours),
+                           __LL_RTC_CONVERT_BIN2BCD(RTC_AlarmStruct->AlarmTime.Minutes),
+                           __LL_RTC_CONVERT_BIN2BCD(RTC_AlarmStruct->AlarmTime.Seconds));
+  }
+  /* Set ALARM mask */
+  LL_RTC_ALMA_SetMask(RTCx, RTC_AlarmStruct->AlarmMask);
+
+  /* Enable the write protection for RTC registers */
+  LL_RTC_EnableWriteProtection(RTCx);
+
+  return SUCCESS;
+}
+
+/**
+  * @brief  Set the RTC Alarm B.
+  * @note   The Alarm register can only be written when the corresponding Alarm
+  *         is disabled (@ref LL_RTC_ALMB_Disable function).
+  * @param  RTCx RTC Instance
+  * @param  RTC_Format This parameter can be one of the following values:
+  *         @arg @ref LL_RTC_FORMAT_BIN
+  *         @arg @ref LL_RTC_FORMAT_BCD
+  * @param  RTC_AlarmStruct pointer to a @ref LL_RTC_AlarmTypeDef structure that
+  *                         contains the alarm configuration parameters.
+  * @retval An ErrorStatus enumeration value:
+  *          - SUCCESS: ALARMB registers are configured
+  *          - ERROR: ALARMB registers are not configured
+  */
+ErrorStatus LL_RTC_ALMB_Init(RTC_TypeDef *RTCx, uint32_t RTC_Format, LL_RTC_AlarmTypeDef *RTC_AlarmStruct)
+{
+  /* Check the parameters */
+  assert_param(IS_RTC_ALL_INSTANCE(RTCx));
+  assert_param(IS_LL_RTC_FORMAT(RTC_Format));
+  assert_param(IS_LL_RTC_ALMB_MASK(RTC_AlarmStruct->AlarmMask));
+  assert_param(IS_LL_RTC_ALMB_DATE_WEEKDAY_SEL(RTC_AlarmStruct->AlarmDateWeekDaySel));
+
+  if (RTC_Format == LL_RTC_FORMAT_BIN)
+  {
+    if (LL_RTC_GetHourFormat(RTCx) != LL_RTC_HOURFORMAT_24HOUR)
+    {
+      assert_param(IS_LL_RTC_HOUR12(RTC_AlarmStruct->AlarmTime.Hours));
+      assert_param(IS_LL_RTC_TIME_FORMAT(RTC_AlarmStruct->AlarmTime.TimeFormat));
+    }
+    else
+    {
+      RTC_AlarmStruct->AlarmTime.TimeFormat = 0x00U;
+      assert_param(IS_LL_RTC_HOUR24(RTC_AlarmStruct->AlarmTime.Hours));
+    }
+    assert_param(IS_LL_RTC_MINUTES(RTC_AlarmStruct->AlarmTime.Minutes));
+    assert_param(IS_LL_RTC_SECONDS(RTC_AlarmStruct->AlarmTime.Seconds));
+
+    if (RTC_AlarmStruct->AlarmDateWeekDaySel == LL_RTC_ALMB_DATEWEEKDAYSEL_DATE)
+    {
+      assert_param(IS_LL_RTC_DAY(RTC_AlarmStruct->AlarmDateWeekDay));
+    }
+    else
+    {
+      assert_param(IS_LL_RTC_WEEKDAY(RTC_AlarmStruct->AlarmDateWeekDay));
+    }
+  }
+  else
+  {
+    if (LL_RTC_GetHourFormat(RTCx) != LL_RTC_HOURFORMAT_24HOUR)
+    {
+      assert_param(IS_LL_RTC_HOUR12(__LL_RTC_CONVERT_BCD2BIN(RTC_AlarmStruct->AlarmTime.Hours)));
+      assert_param(IS_LL_RTC_TIME_FORMAT(RTC_AlarmStruct->AlarmTime.TimeFormat));
+    }
+    else
+    {
+      RTC_AlarmStruct->AlarmTime.TimeFormat = 0x00U;
+      assert_param(IS_LL_RTC_HOUR24(__LL_RTC_CONVERT_BCD2BIN(RTC_AlarmStruct->AlarmTime.Hours)));
+    }
+
+    assert_param(IS_LL_RTC_MINUTES(__LL_RTC_CONVERT_BCD2BIN(RTC_AlarmStruct->AlarmTime.Minutes)));
+    assert_param(IS_LL_RTC_SECONDS(__LL_RTC_CONVERT_BCD2BIN(RTC_AlarmStruct->AlarmTime.Seconds)));
+
+    if (RTC_AlarmStruct->AlarmDateWeekDaySel == LL_RTC_ALMB_DATEWEEKDAYSEL_DATE)
+    {
+      assert_param(IS_LL_RTC_DAY(__LL_RTC_CONVERT_BCD2BIN(RTC_AlarmStruct->AlarmDateWeekDay)));
+    }
+    else
+    {
+      assert_param(IS_LL_RTC_WEEKDAY(__LL_RTC_CONVERT_BCD2BIN(RTC_AlarmStruct->AlarmDateWeekDay)));
+    }
+  }
+
+  /* Disable the write protection for RTC registers */
+  LL_RTC_DisableWriteProtection(RTCx);
+
+  /* Select weekday selection */
+  if (RTC_AlarmStruct->AlarmDateWeekDaySel == LL_RTC_ALMB_DATEWEEKDAYSEL_DATE)
+  {
+    /* Set the date for ALARM */
+    LL_RTC_ALMB_DisableWeekday(RTCx);
+    if (RTC_Format != LL_RTC_FORMAT_BIN)
+    {
+      LL_RTC_ALMB_SetDay(RTCx, RTC_AlarmStruct->AlarmDateWeekDay);
+    }
+    else
+    {
+      LL_RTC_ALMB_SetDay(RTCx, __LL_RTC_CONVERT_BIN2BCD(RTC_AlarmStruct->AlarmDateWeekDay));
+    }
+  }
+  else
+  {
+    /* Set the week day for ALARM */
+    LL_RTC_ALMB_EnableWeekday(RTCx);
+    LL_RTC_ALMB_SetWeekDay(RTCx, RTC_AlarmStruct->AlarmDateWeekDay);
+  }
+
+  /* Configure the Alarm register */
+  if (RTC_Format != LL_RTC_FORMAT_BIN)
+  {
+    LL_RTC_ALMB_ConfigTime(RTCx, RTC_AlarmStruct->AlarmTime.TimeFormat, RTC_AlarmStruct->AlarmTime.Hours,
+                           RTC_AlarmStruct->AlarmTime.Minutes, RTC_AlarmStruct->AlarmTime.Seconds);
+  }
+  else
+  {
+    LL_RTC_ALMB_ConfigTime(RTCx, RTC_AlarmStruct->AlarmTime.TimeFormat,
+                           __LL_RTC_CONVERT_BIN2BCD(RTC_AlarmStruct->AlarmTime.Hours),
+                           __LL_RTC_CONVERT_BIN2BCD(RTC_AlarmStruct->AlarmTime.Minutes),
+                           __LL_RTC_CONVERT_BIN2BCD(RTC_AlarmStruct->AlarmTime.Seconds));
+  }
+  /* Set ALARM mask */
+  LL_RTC_ALMB_SetMask(RTCx, RTC_AlarmStruct->AlarmMask);
+
+  /* Enable the write protection for RTC registers */
+  LL_RTC_EnableWriteProtection(RTCx);
+
+  return SUCCESS;
+}
+
+/**
+  * @brief  Set each @ref LL_RTC_AlarmTypeDef of ALARMA field to default value (Time = 00h:00mn:00sec /
+  *         Day = 1st day of the month/Mask = all fields are masked).
+  * @param  RTC_AlarmStruct pointer to a @ref LL_RTC_AlarmTypeDef structure which will be initialized.
+  * @retval None
+  */
+void LL_RTC_ALMA_StructInit(LL_RTC_AlarmTypeDef *RTC_AlarmStruct)
+{
+  /* Alarm Time Settings : Time = 00h:00mn:00sec */
+  RTC_AlarmStruct->AlarmTime.TimeFormat = LL_RTC_ALMA_TIME_FORMAT_AM;
+  RTC_AlarmStruct->AlarmTime.Hours      = 0U;
+  RTC_AlarmStruct->AlarmTime.Minutes    = 0U;
+  RTC_AlarmStruct->AlarmTime.Seconds    = 0U;
+
+  /* Alarm Day Settings : Day = 1st day of the month */
+  RTC_AlarmStruct->AlarmDateWeekDaySel = LL_RTC_ALMA_DATEWEEKDAYSEL_DATE;
+  RTC_AlarmStruct->AlarmDateWeekDay    = 1U;
+
+  /* Alarm Masks Settings : Mask =  all fields are not masked */
+  RTC_AlarmStruct->AlarmMask           = LL_RTC_ALMA_MASK_NONE;
+}
+
+/**
+  * @brief  Set each @ref LL_RTC_AlarmTypeDef of ALARMA field to default value (Time = 00h:00mn:00sec /
+  *         Day = 1st day of the month/Mask = all fields are masked).
+  * @param  RTC_AlarmStruct pointer to a @ref LL_RTC_AlarmTypeDef structure which will be initialized.
+  * @retval None
+  */
+void LL_RTC_ALMB_StructInit(LL_RTC_AlarmTypeDef *RTC_AlarmStruct)
+{
+  /* Alarm Time Settings : Time = 00h:00mn:00sec */
+  RTC_AlarmStruct->AlarmTime.TimeFormat = LL_RTC_ALMB_TIME_FORMAT_AM;
+  RTC_AlarmStruct->AlarmTime.Hours      = 0U;
+  RTC_AlarmStruct->AlarmTime.Minutes    = 0U;
+  RTC_AlarmStruct->AlarmTime.Seconds    = 0U;
+
+  /* Alarm Day Settings : Day = 1st day of the month */
+  RTC_AlarmStruct->AlarmDateWeekDaySel = LL_RTC_ALMB_DATEWEEKDAYSEL_DATE;
+  RTC_AlarmStruct->AlarmDateWeekDay    = 1U;
+
+  /* Alarm Masks Settings : Mask =  all fields are not masked */
+  RTC_AlarmStruct->AlarmMask           = LL_RTC_ALMB_MASK_NONE;
+}
+
+/**
+  * @brief  Enters the RTC Initialization mode.
+  * @note   The RTC Initialization mode is write protected, use the
+  *         @ref LL_RTC_DisableWriteProtection before calling this function.
+  * @param  RTCx RTC Instance
+  * @retval An ErrorStatus enumeration value:
+  *          - SUCCESS: RTC is in Init mode
+  *          - ERROR: RTC is not in Init mode
+  */
+ErrorStatus LL_RTC_EnterInitMode(RTC_TypeDef *RTCx)
+{
+  __IO uint32_t timeout = RTC_INITMODE_TIMEOUT;
+  ErrorStatus status = SUCCESS;
+  uint32_t tmp = 0U;
+
+  /* Check the parameter */
+  assert_param(IS_RTC_ALL_INSTANCE(RTCx));
+
+  /* Check if the Initialization mode is set */
+  if (LL_RTC_IsActiveFlag_INIT(RTCx) == 0U)
+  {
+    /* Set the Initialization mode */
+    LL_RTC_EnableInitMode(RTCx);
+
+    /* Wait till RTC is in INIT state and if Time out is reached exit */
+    tmp = LL_RTC_IsActiveFlag_INIT(RTCx);
+    while ((timeout != 0U) && (tmp != 1U))
+    {
+      if (LL_SYSTICK_IsActiveCounterFlag() == 1U)
+      {
+        timeout --;
+      }
+      tmp = LL_RTC_IsActiveFlag_INIT(RTCx);
+      if (timeout == 0U)
+      {
+        status = ERROR;
+      }
+    }
+  }
+  return status;
+}
+
+/**
+  * @brief  Exit the RTC Initialization mode.
+  * @note   When the initialization sequence is complete, the calendar restarts
+  *         counting after 4 RTCCLK cycles.
+  * @note   The RTC Initialization mode is write protected, use the
+  *         @ref LL_RTC_DisableWriteProtection before calling this function.
+  * @param  RTCx RTC Instance
+  * @retval An ErrorStatus enumeration value:
+  *          - SUCCESS: RTC exited from in Init mode
+  *          - ERROR: Not applicable
+  */
+ErrorStatus LL_RTC_ExitInitMode(RTC_TypeDef *RTCx)
+{
+  /* Check the parameter */
+  assert_param(IS_RTC_ALL_INSTANCE(RTCx));
+
+  /* Disable initialization mode */
+  LL_RTC_DisableInitMode(RTCx);
+
+  return SUCCESS;
+}
+
+/**
+  * @brief  Waits until the RTC Time and Day registers (RTC_TR and RTC_DR) are
+  *         synchronized with RTC APB clock.
+  * @note   The RTC Resynchronization mode is write protected, use the
+  *         @ref LL_RTC_DisableWriteProtection before calling this function.
+  * @note   To read the calendar through the shadow registers after Calendar
+  *         initialization, calendar update or after wakeup from low power modes
+  *         the software must first clear the RSF flag.
+  *         The software must then wait until it is set again before reading
+  *         the calendar, which means that the calendar registers have been
+  *         correctly copied into the RTC_TR and RTC_DR shadow registers.
+  * @param  RTCx RTC Instance
+  * @retval An ErrorStatus enumeration value:
+  *          - SUCCESS: RTC registers are synchronised
+  *          - ERROR: RTC registers are not synchronised
+  */
+ErrorStatus LL_RTC_WaitForSynchro(RTC_TypeDef *RTCx)
+{
+  __IO uint32_t timeout = RTC_SYNCHRO_TIMEOUT;
+  ErrorStatus status = SUCCESS;
+  uint32_t tmp = 0U;
+
+  /* Check the parameter */
+  assert_param(IS_RTC_ALL_INSTANCE(RTCx));
+
+  /* Clear RSF flag */
+  LL_RTC_ClearFlag_RS(RTCx);
+
+  /* Wait the registers to be synchronised */
+  tmp = LL_RTC_IsActiveFlag_RS(RTCx);
+  while ((timeout != 0U) && (tmp != 0U))
+  {
+    if (LL_SYSTICK_IsActiveCounterFlag() == 1U)
+    {
+      timeout--;
+    }
+    tmp = LL_RTC_IsActiveFlag_RS(RTCx);
+    if (timeout == 0U)
+    {
+      status = ERROR;
+    }
+  }
+
+  if (status != ERROR)
+  {
+    timeout = RTC_SYNCHRO_TIMEOUT;
+    tmp = LL_RTC_IsActiveFlag_RS(RTCx);
+    while ((timeout != 0U) && (tmp != 1U))
+    {
+      if (LL_SYSTICK_IsActiveCounterFlag() == 1U)
+      {
+        timeout--;
+      }
+      tmp = LL_RTC_IsActiveFlag_RS(RTCx);
+      if (timeout == 0U)
+      {
+        status = ERROR;
+      }
+    }
+  }
+
+  return (status);
+}
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+#endif /* defined(RTC) */
+
+/**
+  * @}
+  */
+
+#endif /* USE_FULL_LL_DRIVER */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/