From aa38e5c1f48e31213ee349aa5cd6f06c85bda70d Mon Sep 17 00:00:00 2001
From: android <android@lingyun.com>
Date: Tue, 25 Jun 2024 21:49:39 +0800
Subject: [PATCH] Add GD32F103RCT6 ADC converter board SDK source code

---
 mcu_sdk/gd32f103/rk_eFire/Board/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_rtc.c | 1948 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 1,948 insertions(+), 0 deletions(-)

diff --git a/mcu_sdk/gd32f103/rk_eFire/Board/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_rtc.c b/mcu_sdk/gd32f103/rk_eFire/Board/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_rtc.c
new file mode 100644
index 0000000..aaa22f2
--- /dev/null
+++ b/mcu_sdk/gd32f103/rk_eFire/Board/STM32F1xx_HAL_Driver/Src/stm32f1xx_hal_rtc.c
@@ -0,0 +1,1948 @@
+/**
+  ******************************************************************************
+  * @file    stm32f1xx_hal_rtc.c
+  * @author  MCD Application Team
+  * @brief   RTC HAL module driver.
+  *          This file provides firmware functions to manage the following
+  *          functionalities of the Real Time Clock (RTC) peripheral:
+  *           + Initialization and de-initialization functions
+  *           + RTC Time and Date functions
+  *           + RTC Alarm functions
+  *           + Peripheral Control functions
+  *           + Peripheral State functions
+  *
+  @verbatim
+  ==============================================================================
+                  ##### How to use this driver #####
+  ==================================================================
+  [..]
+    (+) Enable the RTC domain access (see description in the section above).
+    (+) Configure the RTC Prescaler (Asynchronous prescaler to generate RTC 1Hz time base)
+        using the HAL_RTC_Init() function.
+
+  *** Time and Date configuration ***
+  ===================================
+  [..]
+    (+) To configure the RTC Calendar (Time and Date) use the HAL_RTC_SetTime()
+        and HAL_RTC_SetDate() functions.
+    (+) To read the RTC Calendar, use the HAL_RTC_GetTime() and HAL_RTC_GetDate() functions.
+
+  *** Alarm configuration ***
+  ===========================
+  [..]
+    (+) To configure the RTC Alarm use the HAL_RTC_SetAlarm() function.
+        You can also configure the RTC Alarm with interrupt mode using the HAL_RTC_SetAlarm_IT() function.
+    (+) To read the RTC Alarm, use the HAL_RTC_GetAlarm() function.
+
+  *** Tamper configuration ***
+  ============================
+  [..]
+    (+) Enable the RTC Tamper and configure the Tamper Level using the
+        HAL_RTCEx_SetTamper() function. You can configure RTC Tamper with interrupt
+        mode using HAL_RTCEx_SetTamper_IT() function.
+    (+) The TAMPER1 alternate function can be mapped to PC13
+
+  *** 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.
+
+                  ##### WARNING: Drivers Restrictions  #####
+  ==================================================================
+  [..] RTC version used on STM32F1 families is version V1. All the features supported by V2
+       (other families) will be not supported on F1.
+  [..] As on V2, main RTC features are managed by HW. But on F1, date feature is completely
+       managed by SW.
+  [..] Then, there are some restrictions compared to other families:
+    (+) Only format 24 hours supported in HAL (format 12 hours not supported)
+    (+) Date is saved in SRAM. Then, when MCU is in STOP or STANDBY mode, date will be lost.
+        User should implement a way to save date before entering in low power mode (an
+        example is provided with firmware package based on backup registers)
+    (+) Date is automatically updated each time a HAL_RTC_GetTime or HAL_RTC_GetDate is called.
+    (+) Alarm detection is limited to 1 day. It will expire only 1 time (no alarm repetition, need
+        to program a new alarm)
+
+              ##### Backup Domain Operating Condition #####
+  ==============================================================================
+  [..] The real-time clock (RTC) and the RTC backup registers can be powered
+       from the VBAT voltage when the main VDD supply is powered off.
+       To retain the content of the RTC backup registers and supply the RTC
+       when VDD is turned off, VBAT pin can be connected to an optional
+       standby voltage supplied by a battery or by another source.
+
+  [..] To allow the RTC operating even when the main digital supply (VDD) is turned
+       off, the VBAT pin powers the following blocks:
+    (#) The RTC
+    (#) The LSE oscillator
+    (#) The backup SRAM when the low power backup regulator is enabled
+    (#) PC13 to PC15 I/Os, plus PI8 I/O (when available)
+
+  [..] When the backup domain is supplied by VDD (analog switch connected to VDD),
+       the following pins are available:
+    (+) PC13 can be used as a Tamper pin
+
+  [..] When the backup domain is supplied by VBAT (analog switch connected to VBAT
+       because VDD is not present), the following pins are available:
+    (+) PC13 can be used as the Tamper pin
+
+                   ##### Backup Domain Reset #####
+  ==================================================================
+  [..] The backup domain reset sets all RTC registers and the RCC_BDCR register
+       to their reset values.
+  [..] A backup domain reset is generated when one of the following events occurs:
+    (#) Software reset, triggered by setting the BDRST bit in the
+        RCC Backup domain control register (RCC_BDCR).
+    (#) VDD or VBAT power on, if both supplies have previously been powered off.
+    (#) Tamper detection event resets all data backup registers.
+
+                   ##### Backup Domain Access #####
+  ==================================================================
+  [..] After reset, the backup domain (RTC registers, RTC backup data
+       registers and backup SRAM) is protected against possible unwanted write
+       accesses.
+  [..] To enable access to the RTC Domain and RTC registers, proceed as follows:
+    (+) Call the function HAL_RCCEx_PeriphCLKConfig in using RCC_PERIPHCLK_RTC for
+        PeriphClockSelection and select RTCClockSelection (LSE, LSI or HSE)
+    (+) Enable the BKP clock in using __HAL_RCC_BKP_CLK_ENABLE()
+
+                  ##### RTC and low power modes #####
+  ==================================================================
+  [..] The MCU can be woken up from a low power mode by an RTC alternate
+       function.
+  [..] The RTC alternate functions are the RTC alarms (Alarm A),
+       and RTC tamper event detection.
+       These RTC alternate functions can wake up the system from the Stop and
+       Standby low power modes.
+  [..] The system can also wake up from low power modes without depending
+       on an external interrupt (Auto-wakeup mode), by using the RTC alarm.
+
+  *** Callback registration ***
+  =============================================
+  [..]
+  The compilation define  USE_HAL_RTC_REGISTER_CALLBACKS when set to 1
+  allows the user to configure dynamically the driver callbacks.
+  Use Function @ref HAL_RTC_RegisterCallback() to register an interrupt callback.
+  
+  [..]
+  Function @ref HAL_RTC_RegisterCallback() allows to register following callbacks:
+    (+) AlarmAEventCallback          : RTC Alarm A Event callback.
+    (+) Tamper1EventCallback         : RTC Tamper 1 Event callback.
+    (+) MspInitCallback              : RTC MspInit callback.
+    (+) MspDeInitCallback            : RTC MspDeInit callback.
+  [..]	  
+  This function takes as parameters the HAL peripheral handle, the Callback ID
+  and a pointer to the user callback function.
+  
+  [..]
+  Use function @ref HAL_RTC_UnRegisterCallback() to reset a callback to the default
+  weak function.
+  @ref HAL_RTC_UnRegisterCallback() takes as parameters the HAL peripheral handle,
+  and the Callback ID.
+  This function allows to reset following callbacks:
+    (+) AlarmAEventCallback          : RTC Alarm A Event callback.
+    (+) Tamper1EventCallback         : RTC Tamper 1 Event callback.
+    (+) MspInitCallback              : RTC MspInit callback.
+    (+) MspDeInitCallback            : RTC MspDeInit callback.
+  [..]
+  By default, after the @ref HAL_RTC_Init() and when the state is HAL_RTC_STATE_RESET,
+  all callbacks are set to the corresponding weak functions :
+  example @ref AlarmAEventCallback().
+  Exception done for MspInit and MspDeInit callbacks that are reset to the legacy weak function
+  in the @ref HAL_RTC_Init()/@ref HAL_RTC_DeInit() only when these callbacks are null
+  (not registered beforehand).
+  If not, MspInit or MspDeInit are not null, @ref HAL_RTC_Init()/@ref HAL_RTC_DeInit()
+  keep and use the user MspInit/MspDeInit callbacks (registered beforehand)
+  [..]
+  Callbacks can be registered/unregistered in HAL_RTC_STATE_READY state only.
+  Exception done MspInit/MspDeInit that can be registered/unregistered
+  in HAL_RTC_STATE_READY or HAL_RTC_STATE_RESET state,
+  thus registered (user) MspInit/DeInit callbacks can be used during the Init/DeInit.
+  In that case first register the MspInit/MspDeInit user callbacks
+  using @ref HAL_RTC_RegisterCallback() before calling @ref HAL_RTC_DeInit()
+  or @ref HAL_RTC_Init() function.
+  [..]
+  When The compilation define USE_HAL_RTC_REGISTER_CALLBACKS is set to 0 or
+  not defined, the callback registration feature is not available and all callbacks
+  are set to the corresponding weak functions.
+   @endverbatim
+  ******************************************************************************
+  * @attention
+  *
+  * <h2><center>&copy; Copyright (c) 2016 STMicroelectronics.
+  * All rights reserved.</center></h2>
+  *
+  * This software component is licensed by ST under BSD 3-Clause license,
+  * the "License"; You may not use this file except in compliance with the
+  * License. You may obtain a copy of the License at:
+  *                        opensource.org/licenses/BSD-3-Clause
+  *
+  ******************************************************************************
+  */
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f1xx_hal.h"
+
+/** @addtogroup STM32F1xx_HAL_Driver
+  * @{
+  */
+
+/** @defgroup RTC RTC
+  * @brief RTC HAL module driver
+  * @{
+  */
+
+#ifdef HAL_RTC_MODULE_ENABLED
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+/** @defgroup RTC_Private_Constants RTC Private Constants
+  * @{
+  */
+#define RTC_ALARM_RESETVALUE_REGISTER    (uint16_t)0xFFFF
+#define RTC_ALARM_RESETVALUE             0xFFFFFFFFU
+
+/**
+  * @}
+  */
+
+/* Private macro -------------------------------------------------------------*/
+/** @defgroup RTC_Private_Macros RTC Private Macros
+  * @{
+  */
+/**
+  * @}
+  */
+
+/* Private variables ---------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+/** @defgroup RTC_Private_Functions RTC Private Functions
+  * @{
+  */
+static uint32_t           RTC_ReadTimeCounter(RTC_HandleTypeDef *hrtc);
+static HAL_StatusTypeDef  RTC_WriteTimeCounter(RTC_HandleTypeDef *hrtc, uint32_t TimeCounter);
+static uint32_t           RTC_ReadAlarmCounter(RTC_HandleTypeDef *hrtc);
+static HAL_StatusTypeDef  RTC_WriteAlarmCounter(RTC_HandleTypeDef *hrtc, uint32_t AlarmCounter);
+static HAL_StatusTypeDef  RTC_EnterInitMode(RTC_HandleTypeDef *hrtc);
+static HAL_StatusTypeDef  RTC_ExitInitMode(RTC_HandleTypeDef *hrtc);
+static uint8_t            RTC_ByteToBcd2(uint8_t Value);
+static uint8_t            RTC_Bcd2ToByte(uint8_t Value);
+static uint8_t            RTC_IsLeapYear(uint16_t nYear);
+static void               RTC_DateUpdate(RTC_HandleTypeDef *hrtc, uint32_t DayElapsed);
+static uint8_t            RTC_WeekDayNum(uint32_t nYear, uint8_t nMonth, uint8_t nDay);
+
+/**
+  * @}
+  */
+
+/* Private functions ---------------------------------------------------------*/
+/** @defgroup RTC_Exported_Functions RTC Exported Functions
+  * @{
+  */
+
+/** @defgroup RTC_Exported_Functions_Group1 Initialization and de-initialization functions
+ *  @brief    Initialization and Configuration functions
+ *
+@verbatim
+ ===============================================================================
+              ##### Initialization and de-initialization functions #####
+ ===============================================================================
+   [..] This section provides functions allowing to initialize and configure the
+         RTC Prescaler (Asynchronous), disable RTC registers Write protection,
+         enter and exit the RTC initialization mode,
+         RTC registers synchronization check and reference clock detection enable.
+         (#) The RTC Prescaler should be programmed to generate the RTC 1Hz time base.
+         (#) All RTC registers are Write protected. Writing to the RTC registers
+             is enabled by setting the CNF bit in the RTC_CRL register.
+         (#) To read the calendar after wakeup from low power modes (Standby or Stop)
+             the software must first wait for the RSF bit (Register Synchronized Flag)
+             in the RTC_CRL register to be set by hardware.
+             The HAL_RTC_WaitForSynchro() function implements the above software
+             sequence (RSF clear and RSF check).
+
+@endverbatim
+  * @{
+  */
+
+/**
+  * @brief  Initializes the RTC peripheral
+  * @param  hrtc   pointer to a RTC_HandleTypeDef structure that contains
+  *                the configuration information for RTC.
+  * @retval HAL status
+  */
+HAL_StatusTypeDef HAL_RTC_Init(RTC_HandleTypeDef *hrtc)
+{
+  uint32_t prescaler = 0U;
+  /* Check input parameters */
+  if (hrtc == NULL)
+  {
+    return HAL_ERROR;
+  }
+
+  /* Check the parameters */
+  assert_param(IS_RTC_ALL_INSTANCE(hrtc->Instance));
+  assert_param(IS_RTC_CALIB_OUTPUT(hrtc->Init.OutPut));
+  assert_param(IS_RTC_ASYNCH_PREDIV(hrtc->Init.AsynchPrediv));
+
+#if (USE_HAL_RTC_REGISTER_CALLBACKS == 1)
+  if (hrtc->State == HAL_RTC_STATE_RESET)
+  {
+    /* Allocate lock resource and initialize it */
+    hrtc->Lock = HAL_UNLOCKED;
+
+    hrtc->AlarmAEventCallback          =  HAL_RTC_AlarmAEventCallback;        /* Legacy weak AlarmAEventCallback      */
+    hrtc->Tamper1EventCallback         =  HAL_RTCEx_Tamper1EventCallback;     /* Legacy weak Tamper1EventCallback     */
+
+    if (hrtc->MspInitCallback == NULL)
+    {
+      hrtc->MspInitCallback = HAL_RTC_MspInit;
+    }
+    /* Init the low level hardware */
+    hrtc->MspInitCallback(hrtc);
+
+    if (hrtc->MspDeInitCallback == NULL)
+    {
+      hrtc->MspDeInitCallback = HAL_RTC_MspDeInit;
+    }
+  }
+#else
+  if (hrtc->State == HAL_RTC_STATE_RESET)
+  {
+    /* Allocate lock resource and initialize it */
+    hrtc->Lock = HAL_UNLOCKED;
+
+    /* Initialize RTC MSP */
+    HAL_RTC_MspInit(hrtc);
+  }
+#endif /* (USE_HAL_RTC_REGISTER_CALLBACKS) */
+
+  /* Set RTC state */
+  hrtc->State = HAL_RTC_STATE_BUSY;
+
+  /* Waiting for synchro */
+  if (HAL_RTC_WaitForSynchro(hrtc) != HAL_OK)
+  {
+    /* Set RTC state */
+    hrtc->State = HAL_RTC_STATE_ERROR;
+
+    return HAL_ERROR;
+  }
+
+  /* Set Initialization mode */
+  if (RTC_EnterInitMode(hrtc) != HAL_OK)
+  {
+    /* Set RTC state */
+    hrtc->State = HAL_RTC_STATE_ERROR;
+
+    return HAL_ERROR;
+  }
+  else
+  {
+    /* Clear Flags Bits */
+    CLEAR_BIT(hrtc->Instance->CRL, (RTC_FLAG_OW | RTC_FLAG_ALRAF | RTC_FLAG_SEC));
+
+    if (hrtc->Init.OutPut != RTC_OUTPUTSOURCE_NONE)
+    {
+      /* Disable the selected Tamper pin */
+      CLEAR_BIT(BKP->CR, BKP_CR_TPE);
+    }
+
+    /* Set the signal which will be routed to RTC Tamper pin*/
+    MODIFY_REG(BKP->RTCCR, (BKP_RTCCR_CCO | BKP_RTCCR_ASOE | BKP_RTCCR_ASOS), hrtc->Init.OutPut);
+
+    if (hrtc->Init.AsynchPrediv != RTC_AUTO_1_SECOND)
+    {
+      /* RTC Prescaler provided directly by end-user*/
+      prescaler = hrtc->Init.AsynchPrediv;
+    }
+    else
+    {
+      /* RTC Prescaler will be automatically calculated to get 1 second timebase */
+      /* Get the RTCCLK frequency */
+      prescaler = HAL_RCCEx_GetPeriphCLKFreq(RCC_PERIPHCLK_RTC);
+
+      /* Check that RTC clock is enabled*/
+      if (prescaler == 0U)
+      {
+        /* Should not happen. Frequency is not available*/
+        hrtc->State = HAL_RTC_STATE_ERROR;
+        return HAL_ERROR;
+      }
+      else
+      {
+        /* RTC period = RTCCLK/(RTC_PR + 1) */
+        prescaler = prescaler - 1U;
+      }
+    }
+
+    /* Configure the RTC_PRLH / RTC_PRLL */
+    MODIFY_REG(hrtc->Instance->PRLH, RTC_PRLH_PRL, (prescaler >> 16U));
+    MODIFY_REG(hrtc->Instance->PRLL, RTC_PRLL_PRL, (prescaler & RTC_PRLL_PRL));
+
+    /* Wait for synchro */
+    if (RTC_ExitInitMode(hrtc) != HAL_OK)
+    {
+      hrtc->State = HAL_RTC_STATE_ERROR;
+
+      return HAL_ERROR;
+    }
+
+    /* Initialize date to 1st of January 2000 */
+    hrtc->DateToUpdate.Year = 0x00U;
+    hrtc->DateToUpdate.Month = RTC_MONTH_JANUARY;
+    hrtc->DateToUpdate.Date = 0x01U;
+
+    /* Set RTC state */
+    hrtc->State = HAL_RTC_STATE_READY;
+
+    return HAL_OK;
+  }
+}
+
+/**
+  * @brief  DeInitializes the RTC peripheral
+  * @param  hrtc   pointer to a RTC_HandleTypeDef structure that contains
+  *                the configuration information for RTC.
+  * @note   This function does not reset the RTC Backup Data registers.
+  * @retval HAL status
+  */
+HAL_StatusTypeDef HAL_RTC_DeInit(RTC_HandleTypeDef *hrtc)
+{
+  /* Check input parameters */
+  if (hrtc == NULL)
+  {
+    return HAL_ERROR;
+  }
+
+  /* Check the parameters */
+  assert_param(IS_RTC_ALL_INSTANCE(hrtc->Instance));
+
+  /* Set RTC state */
+  hrtc->State = HAL_RTC_STATE_BUSY;
+
+  /* Set Initialization mode */
+  if (RTC_EnterInitMode(hrtc) != HAL_OK)
+  {
+    /* Set RTC state */
+    hrtc->State = HAL_RTC_STATE_ERROR;
+
+    /* Release Lock */
+    __HAL_UNLOCK(hrtc);
+
+    return HAL_ERROR;
+  }
+  else
+  {
+    CLEAR_REG(hrtc->Instance->CNTL);
+    CLEAR_REG(hrtc->Instance->CNTH);
+    WRITE_REG(hrtc->Instance->PRLL, 0x00008000U);
+    CLEAR_REG(hrtc->Instance->PRLH);
+
+    /* Reset All CRH/CRL bits */
+    CLEAR_REG(hrtc->Instance->CRH);
+    CLEAR_REG(hrtc->Instance->CRL);
+
+    if (RTC_ExitInitMode(hrtc) != HAL_OK)
+    {
+      hrtc->State = HAL_RTC_STATE_ERROR;
+
+      /* Process Unlocked */
+      __HAL_UNLOCK(hrtc);
+
+      return HAL_ERROR;
+    }
+  }
+
+  /* Wait for synchro*/
+  HAL_RTC_WaitForSynchro(hrtc);
+
+  /* Clear RSF flag */
+  CLEAR_BIT(hrtc->Instance->CRL, RTC_FLAG_RSF);
+
+#if (USE_HAL_RTC_REGISTER_CALLBACKS == 1)
+  if (hrtc->MspDeInitCallback == NULL)
+  {
+    hrtc->MspDeInitCallback = HAL_RTC_MspDeInit;
+  }
+
+  /* DeInit the low level hardware: CLOCK, NVIC.*/
+  hrtc->MspDeInitCallback(hrtc);
+
+#else
+  /* De-Initialize RTC MSP */
+  HAL_RTC_MspDeInit(hrtc);
+#endif /* (USE_HAL_RTC_REGISTER_CALLBACKS) */
+
+  hrtc->State = HAL_RTC_STATE_RESET;
+
+  /* Release Lock */
+  __HAL_UNLOCK(hrtc);
+
+  return HAL_OK;
+}
+
+#if (USE_HAL_RTC_REGISTER_CALLBACKS == 1)
+/**
+  * @brief  Register a User RTC Callback
+  *         To be used instead of the weak predefined callback
+  * @param  hrtc RTC handle
+  * @param  CallbackID ID of the callback to be registered
+  *         This parameter can be one of the following values:
+  *          @arg @ref HAL_RTC_ALARM_A_EVENT_CB_ID          Alarm A Event Callback ID
+  *          @arg @ref HAL_RTC_TAMPER1_EVENT_CB_ID          Tamper 1 Callback ID
+  *          @arg @ref HAL_RTC_MSPINIT_CB_ID                Msp Init callback ID
+  *          @arg @ref HAL_RTC_MSPDEINIT_CB_ID              Msp DeInit callback ID
+  * @param  pCallback pointer to the Callback function
+  * @retval HAL status
+  */
+HAL_StatusTypeDef HAL_RTC_RegisterCallback(RTC_HandleTypeDef *hrtc, HAL_RTC_CallbackIDTypeDef CallbackID, pRTC_CallbackTypeDef pCallback)
+{
+  HAL_StatusTypeDef status = HAL_OK;
+
+  if (pCallback == NULL)
+  {
+    return HAL_ERROR;
+  }
+
+  /* Process locked */
+  __HAL_LOCK(hrtc);
+
+  if (HAL_RTC_STATE_READY == hrtc->State)
+  {
+    switch (CallbackID)
+    {
+      case HAL_RTC_ALARM_A_EVENT_CB_ID :
+        hrtc->AlarmAEventCallback = pCallback;
+        break;
+
+      case HAL_RTC_TAMPER1_EVENT_CB_ID :
+        hrtc->Tamper1EventCallback = pCallback;
+        break;
+
+      case HAL_RTC_MSPINIT_CB_ID :
+        hrtc->MspInitCallback = pCallback;
+        break;
+
+      case HAL_RTC_MSPDEINIT_CB_ID :
+        hrtc->MspDeInitCallback = pCallback;
+        break;
+
+      default :
+        /* Return error status */
+        status =  HAL_ERROR;
+        break;
+    }
+  }
+  else if (HAL_RTC_STATE_RESET == hrtc->State)
+  {
+    switch (CallbackID)
+    {
+      case HAL_RTC_MSPINIT_CB_ID :
+        hrtc->MspInitCallback = pCallback;
+        break;
+
+      case HAL_RTC_MSPDEINIT_CB_ID :
+        hrtc->MspDeInitCallback = pCallback;
+        break;
+
+      default :
+        /* Return error status */
+        status =  HAL_ERROR;
+        break;
+    }
+  }
+  else
+  {
+    /* Return error status */
+    status =  HAL_ERROR;
+  }
+
+  /* Release Lock */
+  __HAL_UNLOCK(hrtc);
+
+  return status;
+}
+
+/**
+  * @brief  Unregister an RTC Callback
+  *         RTC callabck is redirected to the weak predefined callback
+  * @param  hrtc RTC handle
+  * @param  CallbackID ID of the callback to be unregistered
+  *         This parameter can be one of the following values:
+  *          @arg @ref HAL_RTC_ALARM_A_EVENT_CB_ID          Alarm A Event Callback ID
+  *          @arg @ref HAL_RTC_TAMPER1_EVENT_CB_ID          Tamper 1 Callback ID
+  *          @arg @ref HAL_RTC_MSPINIT_CB_ID Msp Init callback ID
+  *          @arg @ref HAL_RTC_MSPDEINIT_CB_ID Msp DeInit callback ID
+  * @retval HAL status
+  */
+HAL_StatusTypeDef HAL_RTC_UnRegisterCallback(RTC_HandleTypeDef *hrtc, HAL_RTC_CallbackIDTypeDef CallbackID)
+{
+  HAL_StatusTypeDef status = HAL_OK;
+
+  /* Process locked */
+  __HAL_LOCK(hrtc);
+
+  if (HAL_RTC_STATE_READY == hrtc->State)
+  {
+    switch (CallbackID)
+    {
+      case HAL_RTC_ALARM_A_EVENT_CB_ID :
+        hrtc->AlarmAEventCallback = HAL_RTC_AlarmAEventCallback;         /* Legacy weak AlarmAEventCallback    */
+        break;
+
+      case HAL_RTC_TAMPER1_EVENT_CB_ID :
+        hrtc->Tamper1EventCallback = HAL_RTCEx_Tamper1EventCallback;         /* Legacy weak Tamper1EventCallback   */
+        break;
+
+      case HAL_RTC_MSPINIT_CB_ID :
+        hrtc->MspInitCallback = HAL_RTC_MspInit;
+        break;
+
+      case HAL_RTC_MSPDEINIT_CB_ID :
+        hrtc->MspDeInitCallback = HAL_RTC_MspDeInit;
+        break;
+
+      default :
+        /* Return error status */
+        status =  HAL_ERROR;
+        break;
+    }
+  }
+  else if (HAL_RTC_STATE_RESET == hrtc->State)
+  {
+    switch (CallbackID)
+    {
+      case HAL_RTC_MSPINIT_CB_ID :
+        hrtc->MspInitCallback = HAL_RTC_MspInit;
+        break;
+
+      case HAL_RTC_MSPDEINIT_CB_ID :
+        hrtc->MspDeInitCallback = HAL_RTC_MspDeInit;
+        break;
+
+      default :
+        /* Return error status */
+        status =  HAL_ERROR;
+        break;
+    }
+  }
+  else
+  {
+    /* Return error status */
+    status =  HAL_ERROR;
+  }
+
+  /* Release Lock */
+  __HAL_UNLOCK(hrtc);
+
+  return status;
+}
+#endif /* USE_HAL_RTC_REGISTER_CALLBACKS */
+
+/**
+  * @brief  Initializes the RTC MSP.
+  * @param  hrtc   pointer to a RTC_HandleTypeDef structure that contains
+  *                the configuration information for RTC.
+  * @retval None
+  */
+__weak void HAL_RTC_MspInit(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_RTC_MspInit could be implemented in the user file
+   */
+}
+
+/**
+  * @brief  DeInitializes the RTC MSP.
+  * @param  hrtc   pointer to a RTC_HandleTypeDef structure that contains
+  *                the configuration information for RTC.
+  * @retval None
+  */
+__weak void HAL_RTC_MspDeInit(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_RTC_MspDeInit could be implemented in the user file
+   */
+}
+
+/**
+  * @}
+  */
+
+/** @defgroup RTC_Exported_Functions_Group2 Time and Date functions
+ *  @brief   RTC Time and Date functions
+ *
+@verbatim
+ ===============================================================================
+                 ##### RTC Time and Date functions #####
+ ===============================================================================
+
+ [..] This section provides functions allowing to configure Time and Date features
+
+@endverbatim
+  * @{
+  */
+
+/**
+  * @brief  Sets RTC current time.
+  * @param  hrtc   pointer to a RTC_HandleTypeDef structure that contains
+  *                the configuration information for RTC.
+  * @param  sTime: Pointer to Time 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_RTC_SetTime(RTC_HandleTypeDef *hrtc, RTC_TimeTypeDef *sTime, uint32_t Format)
+{
+  uint32_t counter_time = 0U, counter_alarm = 0U;
+
+  /* Check input parameters */
+  if ((hrtc == NULL) || (sTime == NULL))
+  {
+    return HAL_ERROR;
+  }
+
+  /* Check the parameters */
+  assert_param(IS_RTC_FORMAT(Format));
+
+  /* Process Locked */
+  __HAL_LOCK(hrtc);
+
+  hrtc->State = HAL_RTC_STATE_BUSY;
+
+  if (Format == RTC_FORMAT_BIN)
+  {
+    assert_param(IS_RTC_HOUR24(sTime->Hours));
+    assert_param(IS_RTC_MINUTES(sTime->Minutes));
+    assert_param(IS_RTC_SECONDS(sTime->Seconds));
+
+    counter_time = (uint32_t)(((uint32_t)sTime->Hours * 3600U) + \
+                              ((uint32_t)sTime->Minutes * 60U) + \
+                              ((uint32_t)sTime->Seconds));
+  }
+  else
+  {
+    assert_param(IS_RTC_HOUR24(RTC_Bcd2ToByte(sTime->Hours)));
+    assert_param(IS_RTC_MINUTES(RTC_Bcd2ToByte(sTime->Minutes)));
+    assert_param(IS_RTC_SECONDS(RTC_Bcd2ToByte(sTime->Seconds)));
+
+    counter_time = (((uint32_t)(RTC_Bcd2ToByte(sTime->Hours)) * 3600U) + \
+                    ((uint32_t)(RTC_Bcd2ToByte(sTime->Minutes)) * 60U) + \
+                    ((uint32_t)(RTC_Bcd2ToByte(sTime->Seconds))));
+  }
+
+  /* Write time counter in RTC registers */
+  if (RTC_WriteTimeCounter(hrtc, counter_time) != HAL_OK)
+  {
+    /* Set RTC state */
+    hrtc->State = HAL_RTC_STATE_ERROR;
+
+    /* Process Unlocked */
+    __HAL_UNLOCK(hrtc);
+
+    return HAL_ERROR;
+  }
+  else
+  {
+    /* Clear Second and overflow flags */
+    CLEAR_BIT(hrtc->Instance->CRL, (RTC_FLAG_SEC | RTC_FLAG_OW));
+
+    /* Read current Alarm counter in RTC registers */
+    counter_alarm = RTC_ReadAlarmCounter(hrtc);
+
+    /* Set again alarm to match with new time if enabled */
+    if (counter_alarm != RTC_ALARM_RESETVALUE)
+    {
+      if (counter_alarm < counter_time)
+      {
+        /* Add 1 day to alarm counter*/
+        counter_alarm += (uint32_t)(24U * 3600U);
+
+        /* Write new Alarm counter in RTC registers */
+        if (RTC_WriteAlarmCounter(hrtc, counter_alarm) != HAL_OK)
+        {
+          /* Set RTC state */
+          hrtc->State = HAL_RTC_STATE_ERROR;
+
+          /* Process Unlocked */
+          __HAL_UNLOCK(hrtc);
+
+          return HAL_ERROR;
+        }
+      }
+    }
+
+    hrtc->State = HAL_RTC_STATE_READY;
+
+    __HAL_UNLOCK(hrtc);
+
+    return HAL_OK;
+  }
+}
+
+/**
+  * @brief  Gets RTC current time.
+  * @param  hrtc   pointer to a RTC_HandleTypeDef structure that contains
+  *                the configuration information for RTC.
+  * @param  sTime: Pointer to Time 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_RTC_GetTime(RTC_HandleTypeDef *hrtc, RTC_TimeTypeDef *sTime, uint32_t Format)
+{
+  uint32_t counter_time = 0U, counter_alarm = 0U, days_elapsed = 0U, hours = 0U;
+
+  /* Check input parameters */
+  if ((hrtc == NULL) || (sTime == NULL))
+  {
+    return HAL_ERROR;
+  }
+
+  /* Check the parameters */
+  assert_param(IS_RTC_FORMAT(Format));
+
+  /* Check if counter overflow occurred */
+  if (__HAL_RTC_OVERFLOW_GET_FLAG(hrtc, RTC_FLAG_OW))
+  {
+    return HAL_ERROR;
+  }
+
+  /* Read the time counter*/
+  counter_time = RTC_ReadTimeCounter(hrtc);
+
+  /* Fill the structure fields with the read parameters */
+  hours = counter_time / 3600U;
+  sTime->Minutes  = (uint8_t)((counter_time % 3600U) / 60U);
+  sTime->Seconds  = (uint8_t)((counter_time % 3600U) % 60U);
+
+  if (hours >= 24U)
+  {
+    /* Get number of days elapsed from last calculation */
+    days_elapsed = (hours / 24U);
+
+    /* Set Hours in RTC_TimeTypeDef structure*/
+    sTime->Hours = (hours % 24U);
+
+    /* Read Alarm counter in RTC registers */
+    counter_alarm = RTC_ReadAlarmCounter(hrtc);
+
+    /* Calculate remaining time to reach alarm (only if set and not yet expired)*/
+    if ((counter_alarm != RTC_ALARM_RESETVALUE) && (counter_alarm > counter_time))
+    {
+      counter_alarm -= counter_time;
+    }
+    else
+    {
+      /* In case of counter_alarm < counter_time */
+      /* Alarm expiration already occurred but alarm not deactivated */
+      counter_alarm = RTC_ALARM_RESETVALUE;
+    }
+
+    /* Set updated time in decreasing counter by number of days elapsed */
+    counter_time -= (days_elapsed * 24U * 3600U);
+
+    /* Write time counter in RTC registers */
+    if (RTC_WriteTimeCounter(hrtc, counter_time) != HAL_OK)
+    {
+      return HAL_ERROR;
+    }
+
+    /* Set updated alarm to be set */
+    if (counter_alarm != RTC_ALARM_RESETVALUE)
+    {
+      counter_alarm += counter_time;
+
+      /* Write time counter in RTC registers */
+      if (RTC_WriteAlarmCounter(hrtc, counter_alarm) != HAL_OK)
+      {
+        return HAL_ERROR;
+      }
+    }
+    else
+    {
+      /* Alarm already occurred. Set it to reset values to avoid unexpected expiration */
+      if (RTC_WriteAlarmCounter(hrtc, counter_alarm) != HAL_OK)
+      {
+        return HAL_ERROR;
+      }
+    }
+
+    /* Update date */
+    RTC_DateUpdate(hrtc, days_elapsed);
+  }
+  else
+  {
+    sTime->Hours = hours;
+  }
+
+  /* Check the input parameters format */
+  if (Format != RTC_FORMAT_BIN)
+  {
+    /* Convert the time structure parameters to BCD format */
+    sTime->Hours    = (uint8_t)RTC_ByteToBcd2(sTime->Hours);
+    sTime->Minutes  = (uint8_t)RTC_ByteToBcd2(sTime->Minutes);
+    sTime->Seconds  = (uint8_t)RTC_ByteToBcd2(sTime->Seconds);
+  }
+
+  return HAL_OK;
+}
+
+
+/**
+  * @brief  Sets RTC current date.
+  * @param  hrtc   pointer to a RTC_HandleTypeDef structure that contains
+  *                the configuration information for RTC.
+  * @param  sDate: 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_RTC_SetDate(RTC_HandleTypeDef *hrtc, RTC_DateTypeDef *sDate, uint32_t Format)
+{
+  uint32_t counter_time = 0U, counter_alarm = 0U, hours = 0U;
+
+  /* Check input parameters */
+  if ((hrtc == NULL) || (sDate == NULL))
+  {
+    return HAL_ERROR;
+  }
+
+  /* Check the parameters */
+  assert_param(IS_RTC_FORMAT(Format));
+
+  /* Process Locked */
+  __HAL_LOCK(hrtc);
+
+  hrtc->State = HAL_RTC_STATE_BUSY;
+
+  if (Format == RTC_FORMAT_BIN)
+  {
+    assert_param(IS_RTC_YEAR(sDate->Year));
+    assert_param(IS_RTC_MONTH(sDate->Month));
+    assert_param(IS_RTC_DATE(sDate->Date));
+
+    /* Change the current date */
+    hrtc->DateToUpdate.Year  = sDate->Year;
+    hrtc->DateToUpdate.Month = sDate->Month;
+    hrtc->DateToUpdate.Date  = sDate->Date;
+  }
+  else
+  {
+    assert_param(IS_RTC_YEAR(RTC_Bcd2ToByte(sDate->Year)));
+    assert_param(IS_RTC_MONTH(RTC_Bcd2ToByte(sDate->Month)));
+    assert_param(IS_RTC_DATE(RTC_Bcd2ToByte(sDate->Date)));
+
+    /* Change the current date */
+    hrtc->DateToUpdate.Year  = RTC_Bcd2ToByte(sDate->Year);
+    hrtc->DateToUpdate.Month = RTC_Bcd2ToByte(sDate->Month);
+    hrtc->DateToUpdate.Date  = RTC_Bcd2ToByte(sDate->Date);
+  }
+
+  /* WeekDay set by user can be ignored because automatically calculated */
+  hrtc->DateToUpdate.WeekDay = RTC_WeekDayNum(hrtc->DateToUpdate.Year, hrtc->DateToUpdate.Month, hrtc->DateToUpdate.Date);
+  sDate->WeekDay = hrtc->DateToUpdate.WeekDay;
+
+  /* Reset time to be aligned on the same day */
+  /* Read the time counter*/
+  counter_time = RTC_ReadTimeCounter(hrtc);
+
+  /* Fill the structure fields with the read parameters */
+  hours = counter_time / 3600U;
+  if (hours > 24U)
+  {
+    /* Set updated time in decreasing counter by number of days elapsed */
+    counter_time -= ((hours / 24U) * 24U * 3600U);
+    /* Write time counter in RTC registers */
+    if (RTC_WriteTimeCounter(hrtc, counter_time) != HAL_OK)
+    {
+      /* Set RTC state */
+      hrtc->State = HAL_RTC_STATE_ERROR;
+
+      /* Process Unlocked */
+      __HAL_UNLOCK(hrtc);
+
+      return HAL_ERROR;
+    }
+
+    /* Read current Alarm counter in RTC registers */
+    counter_alarm = RTC_ReadAlarmCounter(hrtc);
+
+    /* Set again alarm to match with new time if enabled */
+    if (counter_alarm != RTC_ALARM_RESETVALUE)
+    {
+      if (counter_alarm < counter_time)
+      {
+        /* Add 1 day to alarm counter*/
+        counter_alarm += (uint32_t)(24U * 3600U);
+
+        /* Write new Alarm counter in RTC registers */
+        if (RTC_WriteAlarmCounter(hrtc, counter_alarm) != HAL_OK)
+        {
+          /* Set RTC state */
+          hrtc->State = HAL_RTC_STATE_ERROR;
+
+          /* Process Unlocked */
+          __HAL_UNLOCK(hrtc);
+
+          return HAL_ERROR;
+        }
+      }
+    }
+
+
+  }
+
+  hrtc->State = HAL_RTC_STATE_READY ;
+
+  /* Process Unlocked */
+  __HAL_UNLOCK(hrtc);
+
+  return HAL_OK;
+}
+
+/**
+  * @brief  Gets RTC current date.
+  * @param  hrtc   pointer to a RTC_HandleTypeDef structure that contains
+  *                the configuration information for RTC.
+  * @param  sDate: 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_RTC_GetDate(RTC_HandleTypeDef *hrtc, RTC_DateTypeDef *sDate, uint32_t Format)
+{
+  RTC_TimeTypeDef stime = {0U};
+
+  /* Check input parameters */
+  if ((hrtc == NULL) || (sDate == NULL))
+  {
+    return HAL_ERROR;
+  }
+
+  /* Check the parameters */
+  assert_param(IS_RTC_FORMAT(Format));
+
+  /* Call HAL_RTC_GetTime function to update date if counter higher than 24 hours */
+  if (HAL_RTC_GetTime(hrtc, &stime, RTC_FORMAT_BIN) != HAL_OK)
+  {
+    return HAL_ERROR;
+  }
+
+  /* Fill the structure fields with the read parameters */
+  sDate->WeekDay  = hrtc->DateToUpdate.WeekDay;
+  sDate->Year     = hrtc->DateToUpdate.Year;
+  sDate->Month    = hrtc->DateToUpdate.Month;
+  sDate->Date     = hrtc->DateToUpdate.Date;
+
+  /* Check the input parameters format */
+  if (Format != RTC_FORMAT_BIN)
+  {
+    /* Convert the date structure parameters to BCD format */
+    sDate->Year   = (uint8_t)RTC_ByteToBcd2(sDate->Year);
+    sDate->Month  = (uint8_t)RTC_ByteToBcd2(sDate->Month);
+    sDate->Date   = (uint8_t)RTC_ByteToBcd2(sDate->Date);
+  }
+  return HAL_OK;
+}
+
+/**
+  * @}
+  */
+
+/** @defgroup RTC_Exported_Functions_Group3 Alarm functions
+ *  @brief   RTC Alarm functions
+ *
+@verbatim
+ ===============================================================================
+                 ##### RTC Alarm functions #####
+ ===============================================================================
+
+ [..] This section provides functions allowing to configure Alarm feature
+
+@endverbatim
+  * @{
+  */
+
+/**
+  * @brief  Sets the specified RTC Alarm.
+  * @param  hrtc   pointer to a RTC_HandleTypeDef structure that contains
+  *                the configuration information for RTC.
+  * @param  sAlarm: Pointer to Alarm 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_RTC_SetAlarm(RTC_HandleTypeDef *hrtc, RTC_AlarmTypeDef *sAlarm, uint32_t Format)
+{
+  uint32_t counter_alarm = 0U, counter_time;
+  RTC_TimeTypeDef stime = {0U};
+
+  /* Check input parameters */
+  if ((hrtc == NULL) || (sAlarm == NULL))
+  {
+    return HAL_ERROR;
+  }
+
+  /* Check the parameters */
+  assert_param(IS_RTC_FORMAT(Format));
+  assert_param(IS_RTC_ALARM(sAlarm->Alarm));
+
+  /* Process Locked */
+  __HAL_LOCK(hrtc);
+
+  hrtc->State = HAL_RTC_STATE_BUSY;
+
+  /* Call HAL_RTC_GetTime function to update date if counter higher than 24 hours */
+  if (HAL_RTC_GetTime(hrtc, &stime, RTC_FORMAT_BIN) != HAL_OK)
+  {
+    return HAL_ERROR;
+  }
+
+  /* Convert time in seconds */
+  counter_time = (uint32_t)(((uint32_t)stime.Hours * 3600U) + \
+                            ((uint32_t)stime.Minutes * 60U) + \
+                            ((uint32_t)stime.Seconds));
+
+  if (Format == RTC_FORMAT_BIN)
+  {
+    assert_param(IS_RTC_HOUR24(sAlarm->AlarmTime.Hours));
+    assert_param(IS_RTC_MINUTES(sAlarm->AlarmTime.Minutes));
+    assert_param(IS_RTC_SECONDS(sAlarm->AlarmTime.Seconds));
+
+    counter_alarm = (uint32_t)(((uint32_t)sAlarm->AlarmTime.Hours * 3600U) + \
+                               ((uint32_t)sAlarm->AlarmTime.Minutes * 60U) + \
+                               ((uint32_t)sAlarm->AlarmTime.Seconds));
+  }
+  else
+  {
+    assert_param(IS_RTC_HOUR24(RTC_Bcd2ToByte(sAlarm->AlarmTime.Hours)));
+    assert_param(IS_RTC_MINUTES(RTC_Bcd2ToByte(sAlarm->AlarmTime.Minutes)));
+    assert_param(IS_RTC_SECONDS(RTC_Bcd2ToByte(sAlarm->AlarmTime.Seconds)));
+
+    counter_alarm = (((uint32_t)(RTC_Bcd2ToByte(sAlarm->AlarmTime.Hours)) * 3600U) + \
+                     ((uint32_t)(RTC_Bcd2ToByte(sAlarm->AlarmTime.Minutes)) * 60U) + \
+                     ((uint32_t)RTC_Bcd2ToByte(sAlarm->AlarmTime.Seconds)));
+  }
+
+  /* Check that requested alarm should expire in the same day (otherwise add 1 day) */
+  if (counter_alarm < counter_time)
+  {
+    /* Add 1 day to alarm counter*/
+    counter_alarm += (uint32_t)(24U * 3600U);
+  }
+
+  /* Write Alarm counter in RTC registers */
+  if (RTC_WriteAlarmCounter(hrtc, counter_alarm) != HAL_OK)
+  {
+    /* Set RTC state */
+    hrtc->State = HAL_RTC_STATE_ERROR;
+
+    /* Process Unlocked */
+    __HAL_UNLOCK(hrtc);
+
+    return HAL_ERROR;
+  }
+  else
+  {
+    hrtc->State = HAL_RTC_STATE_READY;
+
+    __HAL_UNLOCK(hrtc);
+
+    return HAL_OK;
+  }
+}
+#include "board_common.h"
+/**
+  * @brief  Sets the specified RTC Alarm with Interrupt
+  * @param  hrtc   pointer to a RTC_HandleTypeDef structure that contains
+  *                the configuration information for RTC.
+  * @param  sAlarm: Pointer to Alarm 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
+  * @note   The HAL_RTC_SetTime() must be called before enabling the Alarm feature.
+  * @retval HAL status
+  */
+HAL_StatusTypeDef HAL_RTC_SetAlarm_IT(RTC_HandleTypeDef *hrtc, RTC_AlarmTypeDef *sAlarm, uint32_t Format)
+{
+  uint32_t counter_alarm = 0U, counter_time;
+  RTC_TimeTypeDef stime = {0U};
+
+  /* Check input parameters */
+  if ((hrtc == NULL) || (sAlarm == NULL))
+  {
+    return HAL_ERROR;
+  }
+
+  /* Check the parameters */
+  assert_param(IS_RTC_FORMAT(Format));
+  assert_param(IS_RTC_ALARM(sAlarm->Alarm));
+
+  /* Process Locked */
+  __HAL_LOCK(hrtc);
+
+  hrtc->State = HAL_RTC_STATE_BUSY;
+
+  /* Call HAL_RTC_GetTime function to update date if counter higher than 24 hours */
+  if (HAL_RTC_GetTime(hrtc, &stime, RTC_FORMAT_BIN) != HAL_OK)
+  {
+    return HAL_ERROR;
+  }
+
+  /* Convert time in seconds */
+  counter_time = (uint32_t)(((uint32_t)stime.Hours * 3600U) + \
+                            ((uint32_t)stime.Minutes * 60U) + \
+                            ((uint32_t)stime.Seconds));
+
+  if (Format == RTC_FORMAT_BIN)
+  {
+    assert_param(IS_RTC_HOUR24(sAlarm->AlarmTime.Hours));
+    assert_param(IS_RTC_MINUTES(sAlarm->AlarmTime.Minutes));
+    assert_param(IS_RTC_SECONDS(sAlarm->AlarmTime.Seconds));
+
+    counter_alarm = (uint32_t)(((uint32_t)sAlarm->AlarmTime.Hours * 3600U) + \
+                               ((uint32_t)sAlarm->AlarmTime.Minutes * 60U) + \
+                               ((uint32_t)sAlarm->AlarmTime.Seconds));
+  }
+  else
+  {
+    assert_param(IS_RTC_HOUR24(RTC_Bcd2ToByte(sAlarm->AlarmTime.Hours)));
+    assert_param(IS_RTC_MINUTES(RTC_Bcd2ToByte(sAlarm->AlarmTime.Minutes)));
+    assert_param(IS_RTC_SECONDS(RTC_Bcd2ToByte(sAlarm->AlarmTime.Seconds)));
+
+    counter_alarm = (((uint32_t)(RTC_Bcd2ToByte(sAlarm->AlarmTime.Hours)) * 3600U) + \
+                     ((uint32_t)(RTC_Bcd2ToByte(sAlarm->AlarmTime.Minutes)) * 60U) + \
+                     ((uint32_t)RTC_Bcd2ToByte(sAlarm->AlarmTime.Seconds)));
+  }
+
+  /* Check that requested alarm should expire in the same day (otherwise add 1 day) */
+  if (counter_alarm < counter_time)
+  {
+    /* Add 1 day to alarm counter*/
+    counter_alarm += (uint32_t)(24U * 3600U);
+  }
+  /* Write alarm counter in RTC registers */
+  if (RTC_WriteAlarmCounter(hrtc, counter_alarm) != HAL_OK)
+  {
+    /* Set RTC state */
+    hrtc->State = HAL_RTC_STATE_ERROR;
+
+    /* Process Unlocked */
+    __HAL_UNLOCK(hrtc);
+
+    return HAL_ERROR;
+  }
+  else
+  {
+    /* Clear flag alarm A */
+    __HAL_RTC_ALARM_CLEAR_FLAG(hrtc, RTC_FLAG_ALRAF);
+
+    /* Configure the Alarm interrupt */
+    __HAL_RTC_ALARM_ENABLE_IT(hrtc, RTC_IT_ALRA);
+
+    /* RTC Alarm Interrupt Configuration: EXTI configuration */
+    __HAL_RTC_ALARM_EXTI_ENABLE_IT();
+
+    __HAL_RTC_ALARM_EXTI_ENABLE_RISING_EDGE();
+
+    hrtc->State = HAL_RTC_STATE_READY;
+
+    __HAL_UNLOCK(hrtc);
+
+    return HAL_OK;
+  }
+}
+
+/**
+  * @brief  Gets the RTC Alarm value and masks.
+  * @param  hrtc   pointer to a RTC_HandleTypeDef structure that contains
+  *                the configuration information for RTC.
+  * @param  sAlarm: Pointer to Date structure
+  * @param  Alarm: Specifies the Alarm.
+  *          This parameter can be one of the following values:
+  *             @arg RTC_ALARM_A: Alarm
+  * @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_RTC_GetAlarm(RTC_HandleTypeDef *hrtc, RTC_AlarmTypeDef *sAlarm, uint32_t Alarm, uint32_t Format)
+{
+  uint32_t counter_alarm = 0U;
+
+  /* Prevent unused argument(s) compilation warning */
+  UNUSED(Alarm);
+
+  /* Check input parameters */
+  if ((hrtc == NULL) || (sAlarm == NULL))
+  {
+    return HAL_ERROR;
+  }
+
+  /* Check the parameters */
+  assert_param(IS_RTC_FORMAT(Format));
+  assert_param(IS_RTC_ALARM(Alarm));
+
+  /* Read Alarm counter in RTC registers */
+  counter_alarm = RTC_ReadAlarmCounter(hrtc);
+
+  /* Fill the structure with the read parameters */
+  /* Set hours in a day range (between 0 to 24)*/
+  sAlarm->AlarmTime.Hours   = (uint32_t)((counter_alarm / 3600U) % 24U);
+  sAlarm->AlarmTime.Minutes = (uint32_t)((counter_alarm % 3600U) / 60U);
+  sAlarm->AlarmTime.Seconds = (uint32_t)((counter_alarm % 3600U) % 60U);
+
+  if (Format != RTC_FORMAT_BIN)
+  {
+    sAlarm->AlarmTime.Hours   = RTC_ByteToBcd2(sAlarm->AlarmTime.Hours);
+    sAlarm->AlarmTime.Minutes = RTC_ByteToBcd2(sAlarm->AlarmTime.Minutes);
+    sAlarm->AlarmTime.Seconds = RTC_ByteToBcd2(sAlarm->AlarmTime.Seconds);
+  }
+
+  return HAL_OK;
+}
+
+/**
+  * @brief  Deactive the specified RTC Alarm
+  * @param  hrtc   pointer to a RTC_HandleTypeDef structure that contains
+  *                the configuration information for RTC.
+  * @param  Alarm: Specifies the Alarm.
+  *          This parameter can be one of the following values:
+  *            @arg RTC_ALARM_A:  AlarmA
+  * @retval HAL status
+  */
+HAL_StatusTypeDef HAL_RTC_DeactivateAlarm(RTC_HandleTypeDef *hrtc, uint32_t Alarm)
+{
+  /* Prevent unused argument(s) compilation warning */
+  UNUSED(Alarm);
+
+  /* Check the parameters */
+  assert_param(IS_RTC_ALARM(Alarm));
+
+  /* Check input parameters */
+  if (hrtc == NULL)
+  {
+    return HAL_ERROR;
+  }
+
+  /* Process Locked */
+  __HAL_LOCK(hrtc);
+
+  hrtc->State = HAL_RTC_STATE_BUSY;
+
+  /* In case of interrupt mode is used, the interrupt source must disabled */
+  __HAL_RTC_ALARM_DISABLE_IT(hrtc, RTC_IT_ALRA);
+
+  /* Set Initialization mode */
+  if (RTC_EnterInitMode(hrtc) != HAL_OK)
+  {
+    /* Set RTC state */
+    hrtc->State = HAL_RTC_STATE_ERROR;
+
+    /* Process Unlocked */
+    __HAL_UNLOCK(hrtc);
+
+    return HAL_ERROR;
+  }
+  else
+  {
+    /* Clear flag alarm A */
+    __HAL_RTC_ALARM_CLEAR_FLAG(hrtc, RTC_FLAG_ALRAF);
+
+    /* Set to default values ALRH & ALRL registers */
+    WRITE_REG(hrtc->Instance->ALRH, RTC_ALARM_RESETVALUE_REGISTER);
+    WRITE_REG(hrtc->Instance->ALRL, RTC_ALARM_RESETVALUE_REGISTER);
+
+    /* RTC Alarm Interrupt Configuration: Disable EXTI configuration */
+    __HAL_RTC_ALARM_EXTI_DISABLE_IT();
+
+    /* Wait for synchro */
+    if (RTC_ExitInitMode(hrtc) != HAL_OK)
+    {
+      hrtc->State = HAL_RTC_STATE_ERROR;
+
+      /* Process Unlocked */
+      __HAL_UNLOCK(hrtc);
+
+      return HAL_ERROR;
+    }
+  }
+  hrtc->State = HAL_RTC_STATE_READY;
+
+  /* Process Unlocked */
+  __HAL_UNLOCK(hrtc);
+
+  return HAL_OK;
+}
+
+/**
+  * @brief  This function handles Alarm interrupt request.
+  * @param  hrtc   pointer to a RTC_HandleTypeDef structure that contains
+  *                the configuration information for RTC.
+  * @retval None
+  */
+void HAL_RTC_AlarmIRQHandler(RTC_HandleTypeDef *hrtc)
+{
+  if (__HAL_RTC_ALARM_GET_IT_SOURCE(hrtc, RTC_IT_ALRA))
+  {
+    /* Get the status of the Interrupt */
+    if (__HAL_RTC_ALARM_GET_FLAG(hrtc, RTC_FLAG_ALRAF) != (uint32_t)RESET)
+    {
+      /* AlarmA callback */
+#if (USE_HAL_RTC_REGISTER_CALLBACKS == 1)
+      hrtc->AlarmAEventCallback(hrtc);
+#else
+      HAL_RTC_AlarmAEventCallback(hrtc);
+#endif /* USE_HAL_RTC_REGISTER_CALLBACKS */
+
+      /* Clear the Alarm interrupt pending bit */
+      __HAL_RTC_ALARM_CLEAR_FLAG(hrtc, RTC_FLAG_ALRAF);
+    }
+  }
+
+  /* Clear the EXTI's line Flag for RTC Alarm */
+  __HAL_RTC_ALARM_EXTI_CLEAR_FLAG();
+
+  /* Change RTC state */
+  hrtc->State = HAL_RTC_STATE_READY;
+}
+
+/**
+  * @brief  Alarm A callback.
+  * @param  hrtc   pointer to a RTC_HandleTypeDef structure that contains
+  *                the configuration information for RTC.
+  * @retval None
+  */
+__weak void HAL_RTC_AlarmAEventCallback(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_RTC_AlarmAEventCallback could be implemented in the user file
+   */
+}
+
+/**
+  * @brief  This function handles AlarmA Polling request.
+  * @param  hrtc   pointer to a RTC_HandleTypeDef structure that contains
+  *                the configuration information for RTC.
+  * @param  Timeout: Timeout duration
+  * @retval HAL status
+  */
+HAL_StatusTypeDef HAL_RTC_PollForAlarmAEvent(RTC_HandleTypeDef *hrtc, uint32_t Timeout)
+{
+  uint32_t tickstart = HAL_GetTick();
+
+  /* Check input parameters */
+  if (hrtc == NULL)
+  {
+    return HAL_ERROR;
+  }
+
+  while (__HAL_RTC_ALARM_GET_FLAG(hrtc, RTC_FLAG_ALRAF) == RESET)
+  {
+    if (Timeout != HAL_MAX_DELAY)
+    {
+      if ((Timeout == 0) || ((HAL_GetTick() - tickstart) > Timeout))
+      {
+        hrtc->State = HAL_RTC_STATE_TIMEOUT;
+        return HAL_TIMEOUT;
+      }
+    }
+  }
+
+  /* Clear the Alarm interrupt pending bit */
+  __HAL_RTC_ALARM_CLEAR_FLAG(hrtc, RTC_FLAG_ALRAF);
+
+  /* Change RTC state */
+  hrtc->State = HAL_RTC_STATE_READY;
+
+  return HAL_OK;
+}
+
+/**
+  * @}
+  */
+
+/** @defgroup RTC_Exported_Functions_Group4 Peripheral State functions
+ *  @brief   Peripheral State functions
+ *
+@verbatim
+ ===============================================================================
+                     ##### Peripheral State functions #####
+ ===============================================================================
+    [..]
+    This subsection provides functions allowing to
+      (+) Get RTC state
+
+@endverbatim
+  * @{
+  */
+/**
+  * @brief  Returns the RTC state.
+  * @param  hrtc   pointer to a RTC_HandleTypeDef structure that contains
+  *                the configuration information for RTC.
+  * @retval HAL state
+  */
+HAL_RTCStateTypeDef HAL_RTC_GetState(RTC_HandleTypeDef *hrtc)
+{
+  return hrtc->State;
+}
+
+/**
+  * @}
+  */
+
+/** @defgroup RTC_Exported_Functions_Group5 Peripheral Control functions
+ *  @brief   Peripheral Control functions
+ *
+@verbatim
+ ===============================================================================
+                     ##### Peripheral Control functions #####
+ ===============================================================================
+    [..]
+    This subsection provides functions allowing to
+      (+) Wait for RTC Time and Date Synchronization
+
+@endverbatim
+  * @{
+  */
+
+/**
+  * @brief  Waits until the RTC registers (RTC_CNT, RTC_ALR and RTC_PRL)
+  *   are synchronized with RTC APB clock.
+  * @note   This function must be called before any read operation after an APB reset
+  *   or an APB clock stop.
+  * @param  hrtc   pointer to a RTC_HandleTypeDef structure that contains
+  *                the configuration information for RTC.
+  * @retval HAL status
+  */
+HAL_StatusTypeDef HAL_RTC_WaitForSynchro(RTC_HandleTypeDef *hrtc)
+{
+  uint32_t tickstart = 0U;
+
+  /* Check input parameters */
+  if (hrtc == NULL)
+  {
+    return HAL_ERROR;
+  }
+
+  /* Clear RSF flag */
+  CLEAR_BIT(hrtc->Instance->CRL, RTC_FLAG_RSF);
+
+  tickstart = HAL_GetTick();
+
+  /* Wait the registers to be synchronised */
+  while ((hrtc->Instance->CRL & RTC_FLAG_RSF) == (uint32_t)RESET)
+  {
+    if ((HAL_GetTick() - tickstart) >  RTC_TIMEOUT_VALUE)
+    {
+      return HAL_TIMEOUT;
+    }
+  }
+
+  return HAL_OK;
+}
+
+/**
+  * @}
+  */
+
+
+/**
+  * @}
+  */
+
+/** @addtogroup RTC_Private_Functions
+  * @{
+  */
+
+
+/**
+  * @brief  Read the time counter available in RTC_CNT registers.
+  * @param  hrtc   pointer to a RTC_HandleTypeDef structure that contains
+  *                the configuration information for RTC.
+  * @retval Time counter
+  */
+static uint32_t RTC_ReadTimeCounter(RTC_HandleTypeDef *hrtc)
+{
+  uint16_t high1 = 0U, high2 = 0U, low = 0U;
+  uint32_t timecounter = 0U;
+
+  high1 = READ_REG(hrtc->Instance->CNTH & RTC_CNTH_RTC_CNT);
+  low   = READ_REG(hrtc->Instance->CNTL & RTC_CNTL_RTC_CNT);
+  high2 = READ_REG(hrtc->Instance->CNTH & RTC_CNTH_RTC_CNT);
+
+  if (high1 != high2)
+  {
+    /* In this case the counter roll over during reading of CNTL and CNTH registers,
+       read again CNTL register then return the counter value */
+    timecounter = (((uint32_t) high2 << 16U) | READ_REG(hrtc->Instance->CNTL & RTC_CNTL_RTC_CNT));
+  }
+  else
+  {
+    /* No counter roll over during reading of CNTL and CNTH registers, counter
+       value is equal to first value of CNTL and CNTH */
+    timecounter = (((uint32_t) high1 << 16U) | low);
+  }
+
+  return timecounter;
+}
+
+/**
+  * @brief  Write the time counter in RTC_CNT registers.
+  * @param  hrtc   pointer to a RTC_HandleTypeDef structure that contains
+  *                the configuration information for RTC.
+  * @param  TimeCounter: Counter to write in RTC_CNT registers
+  * @retval HAL status
+  */
+static HAL_StatusTypeDef RTC_WriteTimeCounter(RTC_HandleTypeDef *hrtc, uint32_t TimeCounter)
+{
+  HAL_StatusTypeDef status = HAL_OK;
+
+  /* Set Initialization mode */
+  if (RTC_EnterInitMode(hrtc) != HAL_OK)
+  {
+    status = HAL_ERROR;
+  }
+  else
+  {
+    /* Set RTC COUNTER MSB word */
+    WRITE_REG(hrtc->Instance->CNTH, (TimeCounter >> 16U));
+    /* Set RTC COUNTER LSB word */
+    WRITE_REG(hrtc->Instance->CNTL, (TimeCounter & RTC_CNTL_RTC_CNT));
+
+    /* Wait for synchro */
+    if (RTC_ExitInitMode(hrtc) != HAL_OK)
+    {
+      status = HAL_ERROR;
+    }
+  }
+
+  return status;
+}
+
+/**
+  * @brief  Read the time counter available in RTC_ALR registers.
+  * @param  hrtc   pointer to a RTC_HandleTypeDef structure that contains
+  *                the configuration information for RTC.
+  * @retval Time counter
+  */
+static uint32_t RTC_ReadAlarmCounter(RTC_HandleTypeDef *hrtc)
+{
+  uint16_t high1 = 0U, low = 0U;
+
+  high1 = READ_REG(hrtc->Instance->ALRH & RTC_CNTH_RTC_CNT);
+  low   = READ_REG(hrtc->Instance->ALRL & RTC_CNTL_RTC_CNT);
+
+  return (((uint32_t) high1 << 16U) | low);
+}
+
+/**
+  * @brief  Write the time counter in RTC_ALR registers.
+  * @param  hrtc   pointer to a RTC_HandleTypeDef structure that contains
+  *                the configuration information for RTC.
+  * @param  AlarmCounter: Counter to write in RTC_ALR registers
+  * @retval HAL status
+  */
+static HAL_StatusTypeDef RTC_WriteAlarmCounter(RTC_HandleTypeDef *hrtc, uint32_t AlarmCounter)
+{
+  HAL_StatusTypeDef status = HAL_OK;
+
+  /* Set Initialization mode */
+  if (RTC_EnterInitMode(hrtc) != HAL_OK)
+  {
+    status = HAL_ERROR;
+  }
+  else
+  {
+    /* Set RTC COUNTER MSB word */
+    WRITE_REG(hrtc->Instance->ALRH, (AlarmCounter >> 16U));
+    /* Set RTC COUNTER LSB word */
+    WRITE_REG(hrtc->Instance->ALRL, (AlarmCounter & RTC_ALRL_RTC_ALR));
+
+    /* Wait for synchro */
+    if (RTC_ExitInitMode(hrtc) != HAL_OK)
+    {
+      status = HAL_ERROR;
+    }
+  }
+
+  return status;
+}
+
+/**
+  * @brief  Enters the RTC Initialization mode.
+  * @param  hrtc   pointer to a RTC_HandleTypeDef structure that contains
+  *                the configuration information for RTC.
+  * @retval HAL status
+  */
+static HAL_StatusTypeDef RTC_EnterInitMode(RTC_HandleTypeDef *hrtc)
+{
+  uint32_t tickstart = 0U;
+
+  tickstart = HAL_GetTick();
+  /* Wait till RTC is in INIT state and if Time out is reached exit */
+  while ((hrtc->Instance->CRL & RTC_CRL_RTOFF) == (uint32_t)RESET)
+  {
+    if ((HAL_GetTick() - tickstart) >  RTC_TIMEOUT_VALUE)
+    {
+      return HAL_TIMEOUT;
+    }
+  }
+
+  /* Disable the write protection for RTC registers */
+  __HAL_RTC_WRITEPROTECTION_DISABLE(hrtc);
+
+
+  return HAL_OK;
+}
+
+/**
+  * @brief  Exit the RTC Initialization mode.
+  * @param  hrtc   pointer to a RTC_HandleTypeDef structure that contains
+  *                the configuration information for RTC.
+  * @retval HAL status
+  */
+static HAL_StatusTypeDef RTC_ExitInitMode(RTC_HandleTypeDef *hrtc)
+{
+  uint32_t tickstart = 0U;
+
+  /* Disable the write protection for RTC registers */
+  __HAL_RTC_WRITEPROTECTION_ENABLE(hrtc);
+
+  tickstart = HAL_GetTick();
+  /* Wait till RTC is in INIT state and if Time out is reached exit */
+  while ((hrtc->Instance->CRL & RTC_CRL_RTOFF) == (uint32_t)RESET)
+  {
+    if ((HAL_GetTick() - tickstart) >  RTC_TIMEOUT_VALUE)
+    {
+      return HAL_TIMEOUT;
+    }
+  }
+
+  return HAL_OK;
+}
+
+/**
+  * @brief  Converts a 2 digit decimal to BCD format.
+  * @param  Value: Byte to be converted
+  * @retval Converted byte
+  */
+static uint8_t RTC_ByteToBcd2(uint8_t Value)
+{
+  uint32_t bcdhigh = 0U;
+
+  while (Value >= 10U)
+  {
+    bcdhigh++;
+    Value -= 10U;
+  }
+
+  return ((uint8_t)(bcdhigh << 4U) | Value);
+}
+
+/**
+  * @brief  Converts from 2 digit BCD to Binary.
+  * @param  Value: BCD value to be converted
+  * @retval Converted word
+  */
+static uint8_t RTC_Bcd2ToByte(uint8_t Value)
+{
+  uint32_t tmp = 0U;
+  tmp = ((uint8_t)(Value & (uint8_t)0xF0) >> (uint8_t)0x4) * 10U;
+  return (tmp + (Value & (uint8_t)0x0F));
+}
+
+/**
+  * @brief  Updates date when time is 23:59:59.
+  * @param  hrtc   pointer to a RTC_HandleTypeDef structure that contains
+  *                the configuration information for RTC.
+  * @param  DayElapsed: Number of days elapsed from last date update
+  * @retval None
+  */
+static void RTC_DateUpdate(RTC_HandleTypeDef *hrtc, uint32_t DayElapsed)
+{
+  uint32_t year = 0U, month = 0U, day = 0U;
+  uint32_t loop = 0U;
+
+  /* Get the current year*/
+  year = hrtc->DateToUpdate.Year;
+
+  /* Get the current month and day */
+  month = hrtc->DateToUpdate.Month;
+  day = hrtc->DateToUpdate.Date;
+
+  for (loop = 0U; loop < DayElapsed; loop++)
+  {
+    if ((month == 1U) || (month == 3U) || (month == 5U) || (month == 7U) || \
+        (month == 8U) || (month == 10U) || (month == 12U))
+    {
+      if (day < 31U)
+      {
+        day++;
+      }
+      /* Date structure member: day = 31 */
+      else
+      {
+        if (month != 12U)
+        {
+          month++;
+          day = 1U;
+        }
+        /* Date structure member: day = 31 & month =12 */
+        else
+        {
+          month = 1U;
+          day = 1U;
+          year++;
+        }
+      }
+    }
+    else if ((month == 4U) || (month == 6U) || (month == 9U) || (month == 11U))
+    {
+      if (day < 30U)
+      {
+        day++;
+      }
+      /* Date structure member: day = 30 */
+      else
+      {
+        month++;
+        day = 1U;
+      }
+    }
+    else if (month == 2U)
+    {
+      if (day < 28U)
+      {
+        day++;
+      }
+      else if (day == 28U)
+      {
+        /* Leap year */
+        if (RTC_IsLeapYear(year))
+        {
+          day++;
+        }
+        else
+        {
+          month++;
+          day = 1U;
+        }
+      }
+      else if (day == 29U)
+      {
+        month++;
+        day = 1U;
+      }
+    }
+  }
+
+  /* Update year */
+  hrtc->DateToUpdate.Year = year;
+
+  /* Update day and month */
+  hrtc->DateToUpdate.Month = month;
+  hrtc->DateToUpdate.Date = day;
+
+  /* Update day of the week */
+  hrtc->DateToUpdate.WeekDay = RTC_WeekDayNum(year, month, day);
+}
+
+/**
+  * @brief  Check whether the passed year is Leap or not.
+  * @param  nYear  year to check
+  * @retval 1: leap year
+  *         0: not leap year
+  */
+static uint8_t RTC_IsLeapYear(uint16_t nYear)
+{
+  if ((nYear % 4U) != 0U)
+  {
+    return 0U;
+  }
+
+  if ((nYear % 100U) != 0U)
+  {
+    return 1U;
+  }
+
+  if ((nYear % 400U) == 0U)
+  {
+    return 1U;
+  }
+  else
+  {
+    return 0U;
+  }
+}
+
+/**
+  * @brief  Determines the week number, the day number and the week day number.
+  * @param  nYear   year to check
+  * @param  nMonth  Month to check
+  * @param  nDay    Day to check
+  * @note   Day is calculated with hypothesis that year > 2000
+  * @retval Value which can take one of the following parameters:
+  *         @arg RTC_WEEKDAY_MONDAY
+  *         @arg RTC_WEEKDAY_TUESDAY
+  *         @arg RTC_WEEKDAY_WEDNESDAY
+  *         @arg RTC_WEEKDAY_THURSDAY
+  *         @arg RTC_WEEKDAY_FRIDAY
+  *         @arg RTC_WEEKDAY_SATURDAY
+  *         @arg RTC_WEEKDAY_SUNDAY
+  */
+static uint8_t RTC_WeekDayNum(uint32_t nYear, uint8_t nMonth, uint8_t nDay)
+{
+  uint32_t year = 0U, weekday = 0U;
+
+  year = 2000U + nYear;
+
+  if (nMonth < 3U)
+  {
+    /*D = { [(23 x month)/9] + day + 4 + year + [(year-1)/4] - [(year-1)/100] + [(year-1)/400] } mod 7*/
+    weekday = (((23U * nMonth) / 9U) + nDay + 4U + year + ((year - 1U) / 4U) - ((year - 1U) / 100U) + ((year - 1U) / 400U)) % 7U;
+  }
+  else
+  {
+    /*D = { [(23 x month)/9] + day + 4 + year + [year/4] - [year/100] + [year/400] - 2 } mod 7*/
+    weekday = (((23U * nMonth) / 9U) + nDay + 4U + year + (year / 4U) - (year / 100U) + (year / 400U) - 2U) % 7U;
+  }
+
+  return (uint8_t)weekday;
+}
+
+/**
+  * @}
+  */
+
+#endif /* HAL_RTC_MODULE_ENABLED */
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

--
Gitblit v1.9.1