Hi Jeff, Thank you so much for this advice and for taking the time to investigate this -- I just tried removing the spaces as you suggested and it worked great. Really appreciate your help on this! Enjoy the rest of your weekend :)
Cheers, Ellie On Sat, Jul 17, 2021 at 4:40 PM Jeff Long <willco...@gmail.com> wrote: > nchan is already a block parameter (nchan=1 in your grc), and it's added > for you as numchan, as seen in the args in your error message. > > After trying everything else, I deleted the spaces from the args and the > error went away! > > On Sat, Jul 17, 2021 at 2:41 PM Ellie White <elliewhite1...@gmail.com> > wrote: > >> Hi all, >> >> I hope you're doing well and having a good weekend. I had a question I >> thought someone here might be able to answer; I'm attempting to get an >> AirSpy dongle to work properly with GNU Radio but am running into some >> issues. I attempted to install the right dependencies for the AirSpy ( >> https://github.com/airspy/airspyone_host) and then installed the >> gr-osmosdr module (the gr-3.8 branch, as I still have GNURadio 3.8 >> installed), but when I put "airspy=0, bias=1, pack=0" in the "Device >> Arguments" field of my osmocom Source block and tried running my flowgraph, >> it gives me the following output: >> >> Generating: '/home/ellie/src/gr-ata/examples/usrp_2chrx.py' >> >> Executing: /usr/bin/python3 -u >> /home/ellie/src/gr-ata/examples/usrp_2chrx.py >> >> linux; GNU C++ version 7.3.0; Boost_106501; UHD_003.010.003.000-0-unknown >> >> Traceback (most recent call last): >> File "/home/ellie/src/gr-ata/examples/usrp_2chrx.py", line 267, in >> <module> >> main() >> File "/home/ellie/src/gr-ata/examples/usrp_2chrx.py", line 243, in main >> tb = top_block_cls(fc=options.fc, gaindB=options.gaindB, >> samp_rate=options.samp_rate, src_name=options.src_name, >> timestamp=options.timestamp) >> File "/home/ellie/src/gr-ata/examples/usrp_2chrx.py", line 131, in >> __init__ >> args="numchan=" + str(1) + " " + 'airspy=0, bias=1, pack=0, nchan=1' >> File "/usr/lib/python3/dist-packages/osmosdr/osmosdr_swig.py", line >> 1170, in make >> return _osmosdr_swig.source_make(*args, **kwargs) >> RuntimeError: Wrong device arguments specified. Missing nchan? >> >> I also tried adding "nchan=1" to the "Device Arguments" field but that >> didn't work either and resulted in the same error. I've attached my >> flowgraph for reference. (Note that I made sure my AirSpy dongle was >> plugged in before running it). Any ideas you might have on how to solve >> this would be much appreciated, thanks in advance! >> >> Cheers, >> Ellie >> >> -- >> Ellie White (she/her) >> 304-654-9381 >> Physics Major / Student Researcher >> Marshall University >> >> -- Ellie White (she/her) 304-654-9381 Physics Major / Student Researcher Marshall University
