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From: | Nikos Balkanas |
Subject: | Re: [Discuss-gnuradio] Grc RFNOC block error |
Date: | Sat, 12 Mar 2016 05:15:43 +0200 |
Thanks Jonathan,That helps a lot. I still don't get a spectrum, but I get a nice fosphor panel and no timeout errors. A couple of questions:1) You seem to be using 2 ffts: RFNoC FFT and RFNoC Fosphor. You can only do 1 FFT. What's the difference between those 2?2) You start with an RFNoC Radio instead of a USRP source. Does that mean that the flow is intended to run from the FPGA? What is the meaning of the QT display in such a scenario?BR,NikosOn Sat, Mar 12, 2016 at 12:52 AM, Jonathon Pendlum <address@hidden> wrote:Hi Nikos,Have you tried running the example fosphor flowgraph in gr-ettus/examples/rfnoc?JonathonOn Fri, Mar 11, 2016 at 2:14 PM, Nikos Balkanas <address@hidden> wrote:_______________________________________________Upon closer inspection I do get a few runtime errors:timeout on chan 0Looks like smt is amiss in my flow. Any ideas about that?TIANikosOn Sat, Mar 12, 2016 at 12:07 AM, Nikos Balkanas <address@hidden> wrote:Tyvm Jason,That did it. I don't actually need to set the X300's addr and type to anything. It defaults to the first one it finds, and I got only 1 ;-)I got the top block running without any errors. Not much of a fosphor display, like I'm used to, but I'm happy i didn't get any errors:)BR,NikosOn Fri, Mar 11, 2016 at 5:13 PM, Jason Matusiak <address@hidden> wrote:(accidentally sent original response to the wrong mailing list. sorry)
Nikos, All RFNoC scripts require a Device3 block. If you look under UHD>RFNoC in GRC you will see Device3. Just add that to your design (no connections needed) and if you are using an X310, set your device argument to "addr=xx.yy.zz.aa" and device address to "type=x300".
Make sense?
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