Hi Camille, Maybe you could share your RFNoC YML file and someone could take a look? There might be something wrong there.
Wade On Thu, Jan 13, 2022 at 8:32 AM Camille Moniere <[email protected]> wrote: > Hello everyone, > > I unsuccessfully try to use the FIR Filter RFNoC block in reception, in > an USRP X310 with a UBX-160 daughterboard on-board. > I have tested several topology for the custom image (radio0 - > ddc0 -> > fir0 -> ep0 || radio0 -> ddc0 -> ep0 + ep1 -> fir0 + fir0 -> ep1, for > example), > with several parameter for the filter (With or without re-loadable > coefficients, with or without embedded DSP registers, 21 coef' instead > of 41 ...) but it ultimately > always fails the same way. > When the FIR is used, I can't retrieve any data. I got an Overflow > error, without receiving any samples. Sometimes, I even got a "Late > Command" error, even when using RFNoC in C++ > (graph committed immediately before the stream now stream_cmd). > > For the record, the center frequency is 433 MHz for a sampling rate of 1 > Msps. > > I assumed the filter output one complex sample (sc16) for each new input > (sc16 too). Am I wrong? Or is there specific setup I have forgotten? > Has someone successfully used this block, and can provide an example or > tutorial? > > Regards, > > Camille > _______________________________________________ > USRP-users mailing list -- [email protected] > To unsubscribe send an email to [email protected] >
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