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Re: [Discuss-gnuradio] flow graph with feedback by using udp source/sink

From: Josh Blum
Subject: Re: [Discuss-gnuradio] flow graph with feedback by using udp source/sink
Date: Wed, 09 May 2012 10:06:30 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:12.0) Gecko/20120430 Thunderbird/12.0.1

On 05/09/2012 08:26 AM, Alick Zhao wrote:
> Hi list,
> I build a flow graph with both transmitter and receiver, and the forward
> path works fine. Then I want to let receiver block to feedback some data
> to the transmitter block, and I learn that GNU Radio does not allow the
> flow graph has loops. Now I'm trying to walkaround the limitation by
> using udp_sink and udp_source, but I haven't make it work.

FWIW, I have implemented a message passing for gnuradio that you can use
as a feedback mechanism. Its not mainline code.


Implementation is on the next branch:


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