Re: [Discuss-gnuradio] multi_usrp

On 08/01/2011 03:30 AM, john wrote:
> On Sun, 2011-07-31 at 18:30 -0400, Marcus D. Leech wrote:
>> On 07/31/2011 11:14 AM, john wrote:
>>> O
>>> Thanks Marcus. Yes, that technique is quite useful - particularly in
>>> setting up channels, addressing etc. however, in terms of giving the
>>> board ID of the RX/TX on either 'side' of a USRP1 it is not so great.
>>> Yes, you can readily get frequency range/antenna/gain but I need a bit
>>> more.
>>>
>>> Kind Regards,
>>>
>>> John
>>>
>>>
>> I'm not fully understanding what it is you need. You need to *fetch*
>> the board ID from the
>> interface, rather than setting the subdev specifications?
>>
> You are correct Marcus in terms of what I want to do. From reading the
> comments in the code, I thought that I was to use set_subdev for the
> channel(s) and then could both set/get relevant parameters ( freq range,
> gain etc. ) i.e. attributes which use channelid as parameter. ( I think
> that is how it was described).
>
> I wish to get mboard type and rx and tx dboard types for USRP1 but using
> UHD as the dboards are only supported under that paradigm when they were
> announced.
>
> Sorry if I am passing on my confusion,
>
> Kind Regards,
>
> John
>
>
>
>
>
I think that if you look at the current UHD Doxygen, you'll find that
there are functions to do what you want. Starting with a "usrp" object,
you need to indirect a couple of times, but you can get the board ids
with UHD functions.

--
Marcus Leech
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org

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