hi Ale, Is it your first attempt with gnuradio? Did you install uhd as root or as a normal user? Maybe you need to open gnuradio as root.
El mié., 6 de jun. de 2018 1:28 PM, Mercado, Alejandra <[email protected]> escribió: > Dear all, > > I am attempting to recreate the FM receiver in GnuRadio described in wiki: > https://kb.ettus.com/Implementation_of_a_Simple_FM_Receiver_in_GNU_Radio > > ... duly replacing all WX with QT... > > It seems a simple enough example, as seen here: > > > And I see no errors in making the Python code. But when I attempt to I > get this error: > > Executing: '/usr/bin/python2 -u > /home/mercado/workarea-gnuradio/gnuradio/ENTS622/Lab_2_FM_RX.py' > > linux; GNU C++ version 5.4.0 20160609; Boost_105800; > UHD_003.009.007-0-g50839059 > > > UHD Error: > USB open failed: insufficient permissions. > See the application notes for your device. > Traceback (most recent call last): > File "/home/mercado/workarea-gnuradio/gnuradio/ENTS622/Lab_2_FM_RX.py", > line 250, in <module> > main() > File "/home/mercado/workarea-gnuradio/gnuradio/ENTS622/Lab_2_FM_RX.py", > line 238, in main > tb = top_block_cls() > File "/home/mercado/workarea-gnuradio/gnuradio/ENTS622/Lab_2_FM_RX.py", > line 80, in __init__ > channels=range(1), > File "/usr/local/lib/python2.7/dist-packages/gnuradio/uhd/__init__.py", > line 122, in constructor_interceptor > return old_constructor(*args) > File "/usr/local/lib/python2.7/dist-packages/gnuradio/uhd/uhd_swig.py", > line 2671, in make > return _uhd_swig.usrp_source_make(*args) > RuntimeError: LookupError: KeyError: No devices found for -----> > Empty Device Address > > >>> Done > > Any suggestions? > _______________________________________________ > Discuss-gnuradio mailing list > [email protected] > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >
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