I would start by double checking the YAML. For example, make sure the MEM_ADDR_W parameter is correct (for E320 it should be 31, for 2 GiB) and make sure each in/out port is connected the way you want.
If you share the YAML with me, I'm happy to take a look to see if anything jumps out at me. Thanks, Wade On Thu, Feb 10, 2022 at 10:34 AM Rob Kossler <rkoss...@nd.edu> wrote: > Thanks Wade, > I am helping Ofer Saferman with an issue with the E320 and a 4-port replay > block. Apart from your response (& Jonathon's response) indicating that > data rates should not be an issue, I have also come to the same conclusion > by trying some tests. After these tests, the issue now seems to be that > Replay ports 0 and 1 work as expected, but Replay ports 2 and 3 do not. I > know that a 4-port Replay block works fine on an N310 because I use it > often. So, I'm wondering why we have this issue on the E320. Perhaps the > E320 yml file is wrong - I am still waiting to take a look at this. I have > also requested that Ofer run the stock example > "rfnoc_replay_samples_from_file" and use the --replay_chan option to prove > that ports 0 and 1 work fine but ports 2 and 3 do not. > > Anyway, if you have any suggestions, I'd love to hear them. > Rob > > > On Thu, Feb 10, 2022 at 11:17 AM Wade Fife <wade.f...@ettus.com> wrote: > >> The E320's DRAM is pretty fast. It should have no problem keeping up for >> your use case. >> >> Wade >> >> On Thu, Feb 10, 2022 at 1:56 AM Jonathon Pendlum < >> jonathon.pend...@ettus.com> wrote: >> >>> Hi Rob, >>> >>> As long as the DRAM can keep up throughput wise, you should be fine in >>> that configuration. I think the E320 has a BIST you can run that reports >>> the throughput. >>> >>> Jonathon >>> >>> On Wed, Feb 9, 2022 at 3:29 PM Rob Kossler <rkoss...@nd.edu> wrote: >>> >>>> Hi, >>>> I am wondering if there are any data rate restrictions for using the >>>> Replay block on the E320. I have a 4-port Replay block for simultaneously >>>> playing two streams to the 2-port Radio and capturing two streams from the >>>> 2-port Radio. If the master_clock_rate is equal to the sample rate, does >>>> this imply that I will have a data throughput issue? >>>> Rob >>>> _______________________________________________ >>>> USRP-users mailing list -- usrp-users@lists.ettus.com >>>> To unsubscribe send an email to usrp-users-le...@lists.ettus.com >>>> >>> _______________________________________________ >>> USRP-users mailing list -- usrp-users@lists.ettus.com >>> To unsubscribe send an email to usrp-users-le...@lists.ettus.com >>> >>
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