diff --git a/src/rtc.c b/src/rtc.c
--- a/src/rtc.c
+++ b/src/rtc.c
@@ -19,66 +19,66 @@ void rtc_init(void)
 	__HAL_RCC_RTC_ENABLE();
 
     
-  RTC_TimeTypeDef sTime;
-  RTC_DateTypeDef sDate;
-  RTC_AlarmTypeDef sAlarm;
+	RTC_TimeTypeDef sTime;
+	RTC_DateTypeDef sDate;
+	RTC_AlarmTypeDef sAlarm;
 
-  hrtc.Instance = RTC;
-  hrtc.Init.HourFormat = RTC_HOURFORMAT_24;
-  hrtc.Init.AsynchPrediv = 124;
-  hrtc.Init.SynchPrediv = 322; // if this has enough bits should be 1.0018Hz based on 40kHz LSI
-  hrtc.Init.OutPut = RTC_OUTPUT_DISABLE;
-  hrtc.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
-  hrtc.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;
+	hrtc.Instance = RTC;
+	hrtc.Init.HourFormat = RTC_HOURFORMAT_24;
+	hrtc.Init.AsynchPrediv = 124;
+	hrtc.Init.SynchPrediv = 322; // if this has enough bits should be 1.0018Hz based on 40kHz LSI
+	hrtc.Init.OutPut = RTC_OUTPUT_DISABLE;
+	hrtc.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
+	hrtc.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;
 
-  if (HAL_RTC_Init(&hrtc) != HAL_OK)
-  {
-    Error_Handler();
-  }
+	if (HAL_RTC_Init(&hrtc) != HAL_OK)
+	{
+		Error_Handler();
+	}
 
-  sTime.Hours = 0x0;
-  sTime.Minutes = 0x0;
-  sTime.Seconds = 0x0;
-  sTime.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
-  sTime.StoreOperation = RTC_STOREOPERATION_RESET;
-  if (HAL_RTC_SetTime(&hrtc, &sTime, RTC_FORMAT_BCD) != HAL_OK)
-  {
-    Error_Handler();
-  }
+	sTime.Hours = 0x0;
+	sTime.Minutes = 0x0;
+	sTime.Seconds = 0x0;
+	sTime.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
+	sTime.StoreOperation = RTC_STOREOPERATION_RESET;
+	if (HAL_RTC_SetTime(&hrtc, &sTime, RTC_FORMAT_BCD) != HAL_OK)
+	{
+		Error_Handler();
+	}
 
-  sDate.WeekDay = RTC_WEEKDAY_MONDAY;
-  sDate.Month = RTC_MONTH_JANUARY;
-  sDate.Date = 0x1;
-  sDate.Year = 0x0;
+	sDate.WeekDay = RTC_WEEKDAY_MONDAY;
+	sDate.Month = RTC_MONTH_JANUARY;
+	sDate.Date = 0x1;
+	sDate.Year = 0x0;
 
-  if (HAL_RTC_SetDate(&hrtc, &sDate, RTC_FORMAT_BCD) != HAL_OK)
-  {
-    Error_Handler();
-  }
+	if (HAL_RTC_SetDate(&hrtc, &sDate, RTC_FORMAT_BCD) != HAL_OK)
+	{
+		Error_Handler();
+	}
 
 
-    /**Enable the Alarm A 
-    */
-  sAlarm.AlarmTime.Hours = 0x0;
-  sAlarm.AlarmTime.Minutes = 0x0;
-  sAlarm.AlarmTime.Seconds = 0x0;
-  sAlarm.AlarmTime.SubSeconds = 0x0;
-  sAlarm.AlarmTime.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
-  sAlarm.AlarmTime.StoreOperation = RTC_STOREOPERATION_RESET;
+	/**Enable the Alarm A
+	*/
+	sAlarm.AlarmTime.Hours = 0x0;
+	sAlarm.AlarmTime.Minutes = 0x0;
+	sAlarm.AlarmTime.Seconds = 0x0;
+	sAlarm.AlarmTime.SubSeconds = 0x0;
+	sAlarm.AlarmTime.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
+	sAlarm.AlarmTime.StoreOperation = RTC_STOREOPERATION_RESET;
 
-  // Alarm will trigger on the Xth second of every minute
-  sAlarm.AlarmMask = RTC_ALARMMASK_DATEWEEKDAY | RTC_ALARMMASK_HOURS | RTC_ALARMMASK_MINUTES;
-  sAlarm.AlarmSubSecondMask = RTC_ALARMSUBSECONDMASK_ALL;
-  sAlarm.AlarmDateWeekDaySel = RTC_ALARMDATEWEEKDAYSEL_DATE;
-  sAlarm.AlarmDateWeekDay = 0x1;
-  sAlarm.Alarm = RTC_ALARM_A;
-  if (HAL_RTC_SetAlarm(&hrtc, &sAlarm, RTC_FORMAT_BCD) != HAL_OK)
-  {
-    Error_Handler();
-  }
+	// Alarm will trigger on the Xth second of every minute
+	sAlarm.AlarmMask = RTC_ALARMMASK_DATEWEEKDAY | RTC_ALARMMASK_HOURS | RTC_ALARMMASK_MINUTES;
+	sAlarm.AlarmSubSecondMask = RTC_ALARMSUBSECONDMASK_ALL;
+	sAlarm.AlarmDateWeekDaySel = RTC_ALARMDATEWEEKDAYSEL_DATE;
+	sAlarm.AlarmDateWeekDay = 0x1;
+	sAlarm.Alarm = RTC_ALARM_A;
+	if (HAL_RTC_SetAlarm(&hrtc, &sAlarm, RTC_FORMAT_BCD) != HAL_OK)
+	{
+		Error_Handler();
+	}
 
-  HAL_NVIC_SetPriority(RTC_IRQn, 0, 0);
-  HAL_NVIC_EnableIRQ(RTC_IRQn);
+	HAL_NVIC_SetPriority(RTC_IRQn, 0, 0);
+	HAL_NVIC_EnableIRQ(RTC_IRQn);
 }
 
 void rtc_cal(void)