In the file "stm32g4xx_hal_rtc_ex.c" in the function "HAL_RTCEx_SetTamper_IT(...)" there is an if-statement:   if (sTamper->Trigger != RTC_TAMPERTRIGGER_RISINGEDGE) { tmpreg |= (sTamper->Tamper << TAMP_CR2_TAMP1TRG_Pos); }   And the corresp...