Hi Martin, Thank you. Please find the log files in each case in the attachment. They look very similar to me. Sorry for the late reply. I lost your email some how..
Thanks. Tien On Mon, Apr 2, 2018 at 7:45 PM, Martin Braun via USRP-users < [email protected]> wrote: > On 03/15/2018 08:15 PM, Dang tien Vo-Huu via USRP-users wrote: > > Hi all, > > Recently I have some doubt about the difference between USRP Sink/Source > > and the RFNoC Radio TX/RX. I found the answer in the knowledge > > base https://kb.ettus.com/RFNoC but when I tried the RFNoC TX and RX > > flow together, it didn't seem to be equivalent to the USRP Sink and > > Source together: the RFNoC flow threw many "U" while the USRP > > Sink/Source flow ran without any warning. > > > > The USRP Sink/Source flow graph is very simple, it has 2 flows: > > Noise Source --> USRP Sink > > USRP Source --> Null Sink > > > > The RFNoC flow graph: > > Noise Source --> RFNoC DmaFIFO --> RFNoC DUC --> RFNoC Radio TX > > RFNoC Radio RX --> RFNoC DDC --> Null Sink > > > > And here is what I received when run RFNoC flow graph: > > tienvh@gl502vm:~/workspace/rfnoc/src/rfnoc-tutorial/examples$ > > ./rfnoc_tx.py -f 3000M -g 30 -s 20M > > [INFO] [UHDlinux; GNU C++ version 5.4.1 20160904; Boost_105800; > > UHD_4.0.0.rfnoc-devel-409-gec9138eb] > > [INFO] [X300] X300 initialization sequence... > > [...] > > Press Enter to quit: > > UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU > UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU > UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU > UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU > UUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUUU > > > > > > I did the comparison by building an image with 2 DDC and 2 DUC so that I > > can run both RFNoC flow and legacy flow. I'm using USRP X310 with UBX > > and the UHD version is UHD_4.0.0.rfnoc-devel-409-gec9138eb > > > > Has anyone seen this before or has an intuition on this? > > I also attach the flow graphs for more detail. > > This is not the expected outcome. Can you run with UHD_LOG_LEVEL=debug > and paste it? Maybe the DUC isn't getting programmed correctly. > > -- M > > _______________________________________________ > USRP-users mailing list > [email protected] > http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com >
log_legacy
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log_rfnoc
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