It looks like the gr-osmosdr block is expecting you to have a USRP attached and failing to find it.
If you double click on the gr-osmosdr block, there is a field called "Device Arguments". Try setting that field to "hackrf=0" Dominic On 1 February 2018 at 11:45, Jahn <jana1...@centrum.cz> wrote: > I have just started recently with GNU Radio and HackRF. > I tried the first lesson at > http://greatscottgadgets.com/sdr/1/ > > But it does not work for me. > See the output below. > Can anyone help? > Thank you > > > <<< Welcome to GNU Radio Companion 3.7.11.1 >>> > > Block paths: > C:\Program Files\PothosSDR\share\gnuradio\grc\blocks > C:\Program Files\PothosSDR\share\gnuradio\grc\blocks > > Generating: 'C:\\Users\\lad\\Documents\\top_block.py' > > Executing: C:\Python27\python.exe -u C:\Users\lad\Documents\top_block.py > > > >>> Done > > Generating: 'C:\\Users\\lad\\Documents\\top_block.py' > > Executing: C:\Python27\python.exe -u C:\Users\lad\Documents\top_block.py > > Win32; Microsoft Visual C++ version 14.0; Boost_106300; > UHD_003.010.003.000-0-gd9643b9d > > gr-osmosdr v0.1.4-98-gc653754d (0.1.5git) gnuradio 3.7.11.1 > built-in source types: file osmosdr fcd rtl rtl_tcp uhd miri hackrf > bladerf airspy soapy redpitaya > > -- Using subdev spec '0:0'. > > UHD Warning: > Setting DC offset compensation is not possible on this device. > > UHD Warning: > Setting DC offset is not possible on this device. > > UHD Warning: > Setting IQ balance is not possible on this device. > C:\Users\lad\AppData\Roaming\.gnuradio\prefs\vmcircbuf_default_factory: > No such file or > directory > -- Using format CF32. > > >>> Done > > Generating: 'C:\\Users\\lad\\Documents\\top_block.py' > > Executing: C:\Python27\python.exe -u C:\Users\lad\Documents\top_block.py > > Win32; Microsoft Visual C++ version 14.0; Boost_106300; > UHD_003.010.003.000-0-gd9643b9d > > gr-osmosdr v0.1.4-98-gc653754d (0.1.5git) gnuradio 3.7.11.1 > built-in source types: file osmosdr fcd rtl rtl_tcp uhd miri hackrf > bladerf airspy soapy redpitaya > > -- Using subdev spec '0:0'. > > UHD Warning: > Setting DC offset compensation is not possible on this device. > > UHD Warning: > Setting DC offset is not possible on this device. > > UHD Warning: > Setting IQ balance is not possible on this device. > -- Using format CF32. > > >>> Done > > Generating: 'C:\\Users\\lad\\Documents\\top_block.py' > > Executing: C:\Python27\python.exe -u C:\Users\lad\Documents\top_block.py > > Win32; Microsoft Visual C++ version 14.0; Boost_106300; > UHD_003.010.003.000-0-gd9643b9d > > gr-osmosdr v0.1.4-98-gc653754d (0.1.5git) gnuradio 3.7.11.1 > built-in source types: file osmosdr fcd rtl rtl_tcp uhd miri hackrf > bladerf airspy soapy redpitaya > > -- Using subdev spec '0:0'. > > UHD Warning: > Setting DC offset compensation is not possible on this device. > > UHD Warning: > Setting DC offset is not possible on this device. > > UHD Warning: > Setting IQ balance is not possible on this device. > -- Using format CF32. > gr::pagesize: no info; setting pagesize = 4096 > thread[thread-per-block[0]: <block gr uhd usrp source (11)>]: RtAudio init > error > 'RtApiDs::probeDeviceOpen: error (Invalid parameter) creating input buffer > (Default > Device)! > > >>> Done > > Generating: 'C:\\Users\\lad\\Documents\\top_block.py' > > Executing: C:\Python27\python.exe -u C:\Users\lad\Documents\top_block.py > > Win32; Microsoft Visual C++ version 14.0; Boost_106300; > UHD_003.010.003.000-0-gd9643b9d > > gr-osmosdr v0.1.4-98-gc653754d (0.1.5git) gnuradio 3.7.11.1 > built-in source types: file osmosdr fcd rtl rtl_tcp uhd miri hackrf > bladerf airspy soapy redpitaya > > -- Using subdev spec '0:0'. > > UHD Warning: > Setting DC offset compensation is not possible on this device. > > UHD Warning: > Setting DC offset is not possible on this device. > > UHD Warning: > Setting IQ balance is not possible on this device. > -- Using format CF32. > gr::pagesize: no info; setting pagesize = 4096 > thread[thread-per-block[0]: <block gr uhd usrp source (11)>]: RtAudio init > error > 'RtApiDs::probeDeviceOpen: error (Invalid parameter) creating input buffer > (Default > Device)! > > >>> Done > > Generating: 'C:\\Users\\lad\\Documents\\top_block.py' > > Executing: C:\Python27\python.exe -u C:\Users\lad\Documents\top_block.py > > Win32; Microsoft Visual C++ version 14.0; Boost_106300; > UHD_003.010.003.000-0-gd9643b9d > > gr-osmosdr v0.1.4-98-gc653754d (0.1.5git) gnuradio 3.7.11.1 > built-in source types: file osmosdr fcd rtl rtl_tcp uhd miri hackrf > bladerf airspy soapy redpitaya > > -- Using subdev spec '0:0'. > > UHD Warning: > Setting DC offset compensation is not possible on this device. > > UHD Warning: > Setting DC offset is not possible on this device. > > UHD Warning: > Setting IQ balance is not possible on this device. > -- Using format CF32. > gr::pagesize: no info; setting pagesize = 4096 > thread[thread-per-block[0]: <block gr uhd usrp source (11)>]: RtAudio init > error > 'RtApiDs::probeDeviceOpen: error (Invalid parameter) creating input buffer > (Default > Device)! > > >>> Done > > Generating: 'C:\\Users\\lad\\Documents\\top_block.py' > > Executing: C:\Python27\python.exe -u C:\Users\lad\Documents\top_block.py > > Win32; Microsoft Visual C++ version 14.0; Boost_106300; > UHD_003.010.003.000-0-gd9643b9d > > gr-osmosdr v0.1.4-98-gc653754d (0.1.5git) gnuradio 3.7.11.1 > built-in source types: file osmosdr fcd rtl rtl_tcp uhd miri hackrf > bladerf airspy soapy redpitaya > > -- Using subdev spec '0:0'. > > UHD Warning: > Setting DC offset compensation is not possible on this device. > > UHD Warning: > Setting DC offset is not possible on this device. > > UHD Warning: > Setting IQ balance is not possible on this device. > -- Using format CF32. > gr::pagesize: no info; setting pagesize = 4096 > thread[thread-per-block[0]: <block gr uhd usrp source (11)>]: RtAudio init > error > 'RtApiDs::probeDeviceOpen: error (Invalid parameter) creating input buffer > (Default > Device)! > > >>> Done > > Generating: 'C:\\Users\\lad\\Documents\\top_block.py' > > Loading: "C:\HackRF\lesson1.grc" > >>> Done > > Generating: 'C:\\HackRF\\top_block.py' > > Executing: C:\Python27\python.exe -u C:\HackRF\top_block.py > > Win32; Microsoft Visual C++ version 14.0; Boost_106300; > UHD_003.010.003.000-0-gd9643b9d > > gr-osmosdr v0.1.4-98-gc653754d (0.1.5git) gnuradio 3.7.11.1 > built-in source types: file osmosdr fcd rtl rtl_tcp uhd miri hackrf > bladerf airspy soapy redpitaya > > -- Using subdev spec '0:0'. > > UHD Warning: > Setting DC offset compensation is not possible on this device. > > UHD Warning: > Setting DC offset is not possible on this device. > > UHD Warning: > Setting IQ balance is not possible on this device. > INFO: Audio sink arch: windows > -- Using format CF32. > gr::pagesize: no info; setting pagesize = 4096 > thread[thread-per-block[1]: <block gr uhd usrp source (13)>]: RtAudio init > error > 'RtApiDs::probeDeviceOpen: error (Invalid parameter) creating input buffer > (Default > Device)! > > > --- > This email has been checked for viruses by Avast antivirus software. > https://www.avast.com/antivirus > > _______________________________________________ > HackRF-dev mailing list > HackRF-dev@greatscottgadgets.com > https://pairlist9.pair.net/mailman/listinfo/hackrf-dev >
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