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Hi,I'am traying to calibrate STM32F407VGT6.My code:void RTC_Calibration(int32_t CalValue){ if(CalValue <= 0){    //Board going forward      CalValue=__fabs(CalValue);  HAL_RTCEx_SetSmoothCalib(&HRTC,RTC_SMOOTHCALIB_PERIOD_32SEC, RTC_SMOOTHCALIB_PLUSP...