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Re: [Discuss-gnuradio] GNU Radio + UHD install


From: Josh Blum
Subject: Re: [Discuss-gnuradio] GNU Radio + UHD install
Date: Fri, 13 May 2011 17:00:57 -0700
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.17) Gecko/20110424 Lightning/1.0b2 Thunderbird/3.1.10


On 05/13/2011 03:39 AM, Vladutzzz wrote:
> 
> Hi Marcus,
> I followed all of your step-by-step instructions and after installation, the
> uhd_find_devices command returns:
> --------------------------------------------------
> linux; GNU C++ version 4.4.3; Boost_104000; UHD_003.001.000-d11bb4e
> 
> -- UHD Device 0
> 
> Device Address:
>     type: usrp2
>     addr: 192.168.10.2
>     name: 
>     serial: 

UHD seems to communicate, but the firmware images are likely out of date
since the serial is not read.

> --------------------------------------------------
> Although UHD seems to function appropriately, when running GRC in sudo, and
> pressing the Execute flow graph button, the following  error is returned:
> --------------------------------------------------
> Traceback (most recent call last):
>   File "/home/vl/grc_files/top_block.py", line 52, in <module>
>     tb = top_block()
>   File "/home/vl/grc_files/top_block.py", line 30, in __init__
>     self.usrp2_source_xxxx_0 = usrp2.source_32fc()
>   File
> "/usr/local/lib/python2.6/dist-packages/gnuradio/usrp2/usrp2_swig.py", line
> 725, in source_32fc
>     return _usrp2_swig.source_32fc(ifc, mac)
> RuntimeError: No USRPs found on interface eth0


This is an error for the old gnuradio/usrp2 driver. You will want to use
the gr-uhd blocks instead.

> --------------------------------------------------
> I proceeded to uninstalling GNURadio and UHD and then running the code
> build-gnuradio from the link you provided above.
> After installation and logging out, the same pattern emerges.
> The uhd_find_devices command has the same output as before, as does running
> the GRC flow graph.
> Could it be possible that I didn't uninstall the components correctly?
> (although the scrip says it does that too)
> My fpga and firmware images are u2_rev3_uhd_20100706.bin and
> txrx_uhd_20100706.bin

Get the images from here
http://code.ettus.com/redmine/ettus/projects/uhd/wiki#Binary-downloads

-Josh



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