Hello Henning,

To make it easy to update UHD versions Ettus has a private package archive,
PPA, for Ubuntu. You can update your UHD using the following commands. You
will still need to recompile GNU Radio (most accurately gr-uhd) to make it
compatible with the newer UHD's interface.

# Remove existing packages

sudo apt-get remove uhd libuhd003 libuhd-host libuhd-dev

# Install the new repository, update package lists, and install the up to
date versions

sudo apt-add-repository ppa:ettusresearch/uhd
sudo apt-get update
sudo apt-get install libuhd003 libuhd-host libuhd-dev

# Check installed uhd version, it will be on the first line of the output.
It should read release 3.9.2

uhd_find_devices


Regards,
Derek

On Thu, Mar 3, 2016 at 5:58 AM, Marcus Müller <[email protected]>
wrote:

> The UHD you're using is 3.5.5. That is much older than the B200, so this
> can't work. You will have to use a newer version of UHD, then re-compile
> GNU Radio to work with that, and then try again.
>
> I presume you installed UHD and GNU Radio through your Linux Distro's
> package manager? (Guessing from the version, that's Ubuntu 14.04? If
> that's the case, I'd recommend getting something newer.)
> Please uninstall the uhd, libuhd, libuhd-host, libuhd003-devel packages
> (however they are named on your system) and the gnuradio package, before
> installing newer versions manually.
>
> There's tools to help you with that!
>
> Best regards,
> Marcus
>
> On 03/03/2016 02:53 PM, Henning Bredenberg wrote:
> > Hi all,
> >
> > I'm trying to simulate a communication system with GNU-Radio. First of
> > all, i have to check if "tunnel.py" is still up to date in my version
> > of GNU-Radio. The Aim is to use a TAP-device for the simulation of
> > sending and receiving data.
> > After connecting two USRP B200 via USB to the pc, the command
> > "sudo python tunnel.py -f 560e6 -r 0.1e6 --rx-gain=20 --tx-gain=20 -m
> > gmsk -p 2 --omega-relative-limit=0.00 5 --gain-mu=0.175 --mu=0.5"
> > is given for some exemplarily parameters. The response
> > "linux; GNU C++ version 4.8.2; Boost_105400; UHD_003.005.005-0-unknown"
> > makes me asking, why the UHD is "unknown" (uhd_find_device shows the
> > two USRP connected). Adding the Address (-a serial=F5EA56) leads to
> > "RuntimeError: LookupError: KeyError: No devices found for ----->
> > Device Address:
> >     serial: F5EA5"
> > How can i fix that? Maybe there is another option to check if
> > "tunnel.py" is still up to date (or maybe u got some generally advices)?
> >
> > The second step should be to give the TAP-device an address (sudo
> > ifconfig gr0 ...), what shouldn't be a problem then.
> > I'm a bloody beginner, so please be lenient. Thanks!
> >
> > best regards,
> > Henning
> >
> >
> > _______________________________________________
> > Discuss-gnuradio mailing list
> > [email protected]
> > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>
>
> _______________________________________________
> Discuss-gnuradio mailing list
> [email protected]
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>
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