I've tried from 125K to 16M (which if I request anything higher is what the device seems to cap it at). The lower sample rates on the RX side actually do solve the O problem, which I guess makes sense, but the tG and U are still there on the TX side, and no packets seem to be decoded.
Cameron On Tue, Jun 23, 2020 at 12:03 PM Marcus D Leech <patchvonbr...@gmail.com> wrote: > What sample rate ranges have you tried? > > Sent from my iPhone > > On Jun 23, 2020, at 12:57 PM, Cameron Matson <ncmatso...@gmail.com> wrote: > > > Hello all, > > I'm new to gnuradio and SDR so I hope there isn't something obvious I'm > missing. I'm trying to get a packet based system set up. I'm using > gnuradio 3.7 and UHD 3.14 that I cross compiled and loaded onto two E312s. > > I'm trying to use the uhd_packet_tx and uhd_packet_rx examples as a > staring point. I made the necessary modifications to run it as a non-gui > flowgraph, but left all the variables untouched. Both the flow graphs run, > but: > > - the Tx flow graph shows an initial tG flag and then a U flag after > every burst (which I understand has something to do with tag offsets > mismatching https://github.com/gnuradio/gnuradio/issues/1976) > - The Rx flow graph immediately starts outputing O flags, and no > packets are recieved. > > I've tried playing around with the frequency and sampling rates without > much success. > > Any help on where to start would be greatly appreciated. > > Thanks, > Cameron > >
