stm32f103c8t6 rtc. When I restart the power supply, I lose the date, but the time is correct (Keil),
/* RTC init function */static void MX_RTC_Init(void){ /* USER CODE BEGIN RTC_Init 0 */ /* USER CODE END RTC_Init 0 */ RTC_TimeTypeDef sTime; RTC_DateTypeDef DateToUpdate; /* USER CODE BEGIN RTC_Init 1 */ /* USER CODE END RTC_Init 1 */ /**Initialize...