/**
  ******************************************************************************
  * @file    rtc.c
  * @author  MCD Application Team
  * @brief   Configures the RTC instances
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2019 STMicroelectronics.
  * All rights reserved.</center></h2>
  *
  * This software component is licensed by ST under Ultimate Liberty license
  * SLA0044, the "License"; You may not use this file except in compliance with
  * the License. You may obtain a copy of the License at:
  *                             www.st.com/SLA0044
  *
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include "rtc.h"


/* External variables --------------------------------------------------------*/
/* Private typedef -----------------------------------------------------------*/
RCC_PeriphCLKInitTypeDef  PeriphClkInitStruct;
RTC_TimeTypeDef   RTC_TimeStructureGet;
RTC_DateTypeDef   RTC_DateStructureGet;

RTC_HandleTypeDef hrtc;
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Exported variables --------------------------------------------------------*/

/* Exported functions --------------------------------------------------------*/
void MX_RTC_Init(void)
{
  RTC_TimeTypeDef sTime = {0};
  RTC_DateTypeDef sDate = {0};
  RTC_AlarmTypeDef sAlarm = {0};

  /** Initialize RTC Only
  */
  hrtc.Instance = RTC;

  hrtc.Init.HourFormat = RTC_HOURFORMAT_24;
  hrtc.Init.AsynchPrediv = RTC_PREDIV_A;
  hrtc.Init.SynchPrediv = RTC_PREDIV_S;
  hrtc.Init.OutPut = RTC_OUTPUT_DISABLE;
  hrtc.Init.OutPutRemap = RTC_OUTPUT_REMAP_NONE;
  hrtc.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
  hrtc.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;

  if (HAL_RTC_Init(&hrtc) != HAL_OK)
  {
    Error_Handler();
  }

  /* USER CODE BEGIN Check_RTC_BKUP */

  /* USER CODE END Check_RTC_BKUP */

  /**Initialize RTC and set the Time and Date
   */
  sTime.Hours = 0;
  sTime.Minutes = 0;
  sTime.Seconds = 0;
  sTime.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
  sTime.StoreOperation = RTC_STOREOPERATION_RESET;
  if (HAL_RTC_SetTime(&hrtc, &sTime, RTC_FORMAT_BIN) != HAL_OK)
  {
    Error_Handler();
  }


  sDate.WeekDay = RTC_WEEKDAY_MONDAY;
  sDate.Month = RTC_MONTH_JANUARY;
  sDate.Date = 1;
  sDate.Year = 0;

  if (HAL_RTC_SetDate(&hrtc, &sDate, RTC_FORMAT_BIN) != HAL_OK)
  {
    Error_Handler();
  }

  /**Enable the Alarm A
  */
  sAlarm.AlarmTime.Hours = 0;
  sAlarm.AlarmTime.Minutes = 0;
  sAlarm.AlarmTime.Seconds = 0;
  sAlarm.AlarmTime.SubSeconds = 0;
  sAlarm.AlarmTime.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
  sAlarm.AlarmTime.StoreOperation = RTC_STOREOPERATION_RESET;
  sAlarm.AlarmMask = RTC_ALARMMASK_NONE;
  sAlarm.AlarmSubSecondMask = RTC_ALARMSUBSECONDMASK_SS14_10;
  sAlarm.AlarmDateWeekDaySel = RTC_ALARMDATEWEEKDAYSEL_DATE;
  sAlarm.AlarmDateWeekDay = 30;
  sAlarm.Alarm = RTC_ALARM_A;
  if (HAL_RTC_SetAlarm_IT(&hrtc, &sAlarm, RTC_FORMAT_BIN) != HAL_OK)
  {
    Error_Handler();
  }
}

/**
  * @brief RTC MSP Initialization
  *        This function configures the hardware resources used in this example:
  *           - Peripheral's clock enable
  * @param hrtc: RTC handle pointer
  * @note  Care must be taken when HAL_RCCEx_PeriphCLKConfig() is used to select
  *        the RTC clock source; in this case the Backup domain will be reset in
  *        order to modify the RTC Clock source, as consequence RTC registers (including
  *        the backup registers) and RCC_CSR register are set to their reset values.
  * @retval none
  */
void HAL_RTC_MspInit(RTC_HandleTypeDef *rtcHandle)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  
  if (rtcHandle->Instance == RTC)
  {
    /* USER CODE BEGIN RTC_MspInit 0 */

    /* RCC configuration */
    RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSE;
    RCC_OscInitStruct.LSEState = RCC_LSE_ON;
    RCC_OscInitStruct.LSIState = RCC_LSI_OFF;
    RCC_OscInitStruct.HSEState = RCC_HSE_OFF;
    RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
    if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
    {
      Error_Handler();
    }
    
    __HAL_RCC_RTCAPB_CLK_ENABLE() ;
    /* USER CODE END RTC_MspInit 0 */

    /* RTC clock enable */
    __HAL_RCC_RTC_ENABLE();

    /* RTC interrupt Init */
    HAL_NVIC_SetPriority(RTC_Alarm_IRQn, 0, 0);
    HAL_NVIC_EnableIRQ(RTC_Alarm_IRQn);

    /* USER CODE BEGIN RTC_MspInit 1 */

    /* USER CODE END RTC_MspInit 1 */

  }
}

/**
  * @brief RTC MSP DeInitialization
  * @param hrtc: RTC handle pointer
  * @retval none
  */
void HAL_RTC_MspDeInit(RTC_HandleTypeDef *rtcHandle)
{
  if (rtcHandle->Instance == RTC)
  {
    /* USER CODE BEGIN RTC_MspDeInit 0 */

    /* USER CODE END RTC_MspDeInit 0 */
    /* Peripheral clock disable */
    __HAL_RCC_RTC_DISABLE();
    /* RTC interrupt Deinit */
    HAL_NVIC_DisableIRQ(RTC_Alarm_IRQn);
    /* USER CODE BEGIN RTC_MspDeInit 1 */


    /* USER CODE END RTC_MspDeInit 1 */

  }
}

/* USER CODE BEGIN 1 */

/* USER CODE END 1 */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/