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Re: [Discuss-gnuradio] multi_usrp

From: Marcus D. Leech
Subject: Re: [Discuss-gnuradio] multi_usrp
Date: Mon, 01 Aug 2011 13:20:30 -0400
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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:
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

               Kind Regards,


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

  Sorry if I am passing on my confusion,

         Kind Regards,


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

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