Re: [Discuss-gnuradio] Mulitple USRP Stream Confusion

Hey Andrew,

First, that subdev seems off -- I'd assume it's something like "A:0
B:0"? Next, I'm not even sure what you mean you set the channels to
"0,1" on both devices. You should have 1 streamer, with a channel
setting of "0,1,2,3". The 'args' string seems correct.

Does this help?

M


On 30.09.2014 13:01, Daigle, Andrew - 1008 - MITLL wrote:
> Hello!
>
> I am having trouble trying to create a continuous stream of complex
> shorts from multiple (2) X310 USRPs (each running 2 channels) over a
> single 1gigE switch (at a very low sampling rate); currently it appears
> as though I can only stream from one USRP at a time and I can't seem to
> figure out why. I should note I don't have this problem running each
> USRP on its own dedicated network (but unfortunately that won't be
> possible moving forward).
>
> To date, I have been using the rx_multi_samples example provided with
> UHD (source 003.007.002). I don't seem to have any issue connecting to
> both USRPs and setting the parameters via the args="addr0=192.168.10.2,
> addr1=192.168.10.3" command. It is just that when I call rx_stream->recv
> only the lights on the USRP which was listed first in args turn on. The
> subdev spec and channel selection for each USRP is set to "A:A B:A" and
> "0,1" and the incoming data from rx_stream is two channels of complex
> shorts (not 4 like I would expect from 2 USRPs).
>
> Do I have to initiate the streams differently or am I missing something?
>
> Thanks!
>
> -Andrew
>
>
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