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Re: [Discuss-gnuradio] USRP2 Diagnostics in GRC


From: Charles Herdt
Subject: Re: [Discuss-gnuradio] USRP2 Diagnostics in GRC
Date: Wed, 31 Mar 2010 12:08:34 -0300

 Umair

 It seems to me you are using the USRP block when you should be using the USRP2.
 If not... which version of Gnuradio are you using?

 Charles

On Wed, Mar 31, 2010 at 11:19 AM, Umair Naeem <address@hidden> wrote:
> Hi,
>
> I have a problem concerning USRP2. I am using GRC to make flow graphs but I 
> can not find USRP2 when I use USRP source block. When I run a simple program 
> with only two blocks (USRP source and Scope Sink) I get  following error:
>
>>>> Verbose:
> usrp: failed to find usrp[0]
> Traceback (most recent call last):
>  File "/usr/share/grc/src/ExecFlowGraphGUI.py", line 231, in OnInit
>    self.SetTopWindow(FlowGraphFrame(self.flow_graph_file_path))#first 
> argument is the flow graph
>  File "/usr/share/grc/src/ExecFlowGraphGUI.py", line 159, in __init__
>    FlowGraphBuilder.__init__(self, file_path)
>  File "/usr/share/grc/src/ExecFlowGraph.py", line 50, in __init__
>    self._parse_nested_data(ParseXML.from_xml(ParseXML.from_file(file_path)))
>  File "/usr/share/grc/src/ExecFlowGraph.py", line 145, in _parse_nested_data
>    signal_blocks_dict[signal_block.get_id()] = 
> runnable_signal_block(*data_type_params)
>  File "/usr/share/grc/src/SignalBlockDefs/USRP.py", line 182, in make
>    u = type.parse()[0](number, nchan=1)
>  File "/usr/lib/python2.6/site-packages/gnuradio/usrp/usrp_swig.py", line 
> 1699, in source_c
>    return _usrp_swig.source_c(*args, **kwargs)
> RuntimeError: can't open usrp
>
>
> I also tried using USRP Diagnostics in Help menu but it also does nt detect.
> I run find_usrps through terminal and it works like,
> 00:50:c2:85:34:6f hw_rev = 0x0400
>
>
> Regards,
> Umair Naeem
> MSc Communication Engineering
> Chalmers University ot Technology, Sweden.
>
>
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