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Re: [Discuss-gnuradio] Multi USRP on Single Computer

From: Eric Blossom
Subject: Re: [Discuss-gnuradio] Multi USRP on Single Computer
Date: Fri, 2 Mar 2007 09:27:05 -0800
User-agent: Mutt/1.5.9i

On Fri, Mar 02, 2007 at 10:41:06AM -0500, address@hidden wrote:

> I want to connect 2 USRPs to a single computer (1 to tranmsit and 1
> to receive).  I saw the examples in the multi-usrp directory, but
> they allow you to hook up 2 USRPs together so they will both
> receive.  I'm guessing that I don't even have to hook them up if 1
> and transmitting and 1 is receiving, but I might still need the
> whole serial number code of each board to tell which one to transmit
> and receive.  It doesn't seem like it should be hard, but I'm not
> sure.  Any help would be greatly appreciated.

No need to interconnect the two boards.  You can specify which board
to open using the "which" constructor argument.  The problem with that
is that you really don't know which board you're getting.  After
opening it, check the serial_number()

Note that unless you machine has two ECHI controllers (not two ports),
your total aggregate bandwidth between the two boards is limited to
about 32MB/s.


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