Issues using HAL_UARTEx_ReceiveToIdle_DMA(...) and HAL_UARTEx_RxEventCallback(...)
Finally I used the HAL_UARTEx_ReceiveToIdle_DMA(...) function and the associated HAL_UARTEx_RxEventCallback(...) Interruptcallback. It works nice now, but I had some issues, which have been not so easy to explore. So I want to share them here. Maybe,...