[USRP-users] RuntimeError: Could not create nirio_zero_copy transport on X310

Martin Braun martin.braun at ettus.com
Fri Oct 30 16:31:37 EDT 2015


Marius,

don't feel bad about asking these things, it takes some getting used to.
One example you might want to look into is
gr-uhd/examples/python/freq_hopping.py, which is an example on bursty
frequency-hopping data tx.

Proper tagging etc. for hardware control is not a trivial task. I've
included the discuss-gnuradio mailing list (I assume you're subscribed
to that, too) because there's a lot of people with experience in this
are on that list.

Do come back with more specific questions. Other than that example, I
recommend reading the gr-uhd manual page (on the GNU Radio manual) and
the page on tagged streams.

Cheers,
Martin

On 30.10.2015 10:18, Marius wrote:
> Hi Martin, Yesterday I started reading about stream tag and I’m still
> trying to understand how it works. I definitely know that this is the
> right track for me, but I could’t find any explained  python examples
> that could be similar to my project. I’m not looking to create PDUs,
> but to be able to transmit a signal from a file, for a predefined nr.
> of seconds  and at certain periods in time.
> 
> Please, If you have the time to send some links that you consider it
> will help me, knowing what I want to achieve with my program.
> 
> I know this looks easy for you, but for a newcomer in GNU Radio,
> trust me, it looks quite difficult. I’ll take it easily and probably
> will manage to understand it.
> 
> Thank you.
> 





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