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. Instructions: http://gnuradio.org/redmine/projects/gnuradio/wiki/BlocksCodingGuide#Messages Implementation is on the next branch: git://gnuradio.org/jblum.git -Josh _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
