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Re: [Discuss-gnuradio] Tx and Rx on USRP simultaneously, device already
From: |
Marcus D Leech |
Subject: |
Re: [Discuss-gnuradio] Tx and Rx on USRP simultaneously, device already claimed |
Date: |
Mon, 7 Oct 2019 14:17:56 -0400 |
Could you share a minimal flow graph that displays the issue?
Sent from my iPhone
> On Oct 7, 2019, at 2:08 PM, Mark Wagner <address@hidden> wrote:
>
> Hey everyone,
>
> I'm trying to transmit from the TX/RX port of a USRP while receiving from RX2
> but I'm getting a 'device already claimed' error message. Here are some
> details:
>
> My USRP sink block uses multiple USRP addresses, i.e.
>
> "addr0=192.168.1.2,addr1=192.168.2.2,addr3=192.168.3.2,..."
>
> and each address goes to a different USRP in an array. I want to transmit a
> calibration tone across the array from the TX channel of the first USRP
> (addr0), but when I add a USRP source block it gives a 'device already
> claimed' message. This doesn't happen when I make individual USRP sink blocks
> for each USRP in the array.
>
> Unfortunately if I separate my devices into several USRP sink blocks I can't
> guarantee the devices will be synched to the PPS. Is there a workaround for
> this?
>
> -Mark
>
> --
> Mark Wagner
> University of California San Diego
> Electrical and Computer Engineering
>
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