Type " uhd_find_devices " into console, then " uhd_usrp_probe " then give us the results, and the code for the program you're trying to run.
On Fri, Jan 27, 2012 at 9:39 AM, shashank gaur <shashankg...@ieee.org>wrote: > Hello > > I am simply trying to build a transmitter and receiver for bpsk modulation > and demodulation using mpsk receiver at receiving end. I am using USRP1 > (Flex900 Daughter boards))with Gnuradio Companion 3.5.0rc0 on Ubuntu 10.10. > When I run either (trransmitter or receiver) of any grc applications first > the grc executes it successfully and when I run other the grc gives > following error. > linux; GNU C++ version 4.4.5; Boost_104200; UHD_003.003.001-8ff8f20 > > Traceback (most recent call last): > File "/home/sunny/Examples/top_block.py", line 105, in <module> > tb = top_block() > File "/home/sunny/Examples/top_block.py", line 40, in __init__ > num_channels=1, > File "/usr/local/lib/python2.6/dist-packages/gnuradio/uhd/__init__.py", > line 93, in constructor_interceptor > return old_constructor(*args, **kwargs) > File "/usr/local/lib/python2.6/dist-packages/gnuradio/uhd/uhd_swig.py", > line 2003, in usrp_sink > return _uhd_swig.usrp_sink(*args, **kwargs) > RuntimeError: LookupError: KeyError: No devices found for -----> > Device Address: > serial: 4d9de875 > > > I think it has something to do with USRP UHD Source/Sink block parameters. > Either the grc is not able to recognize the daughter board or there is > problem with hardware. may be I am wrong. > Please help me to recognize the error. > Thank you very much for your time > Shashank Gaur > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > >
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