It is great to hear this solution! On Thu, May 31, 2012 at 1:28 PM, Josh Blum <j...@ettus.com> wrote:
> > > On 05/30/2012 06:33 PM, Alex Zhang wrote: > > Hi, > > > > In my applications, after the flow graph is initialized, I need to > > dynamically control the receiving of the USRP samples, i.e, at time T1, I > > want the USRP to transfer the received samples to PC, while in T2, I do > not > > allow the PC to receive these samples. > > Stop receiving the unusing packets from USRP can save the traffic over > > ethernet and decrease the demands of processing resource on host PC. > > > > the gr_mute block seems only suppress the incoming packets to further > > processing, but these unusing samples can still come into the flow graph. > > > > Also, the tb.run and tb.wait can be executed more than twice as wish, but > > it seems to be not so flexible. It would be good if there some commands > > called to control the block of uhd.usrp_source to achieve such purpose? > > > > > > > I had a post on this recently, wish I could find it in the archives... > > So, the problem with stopping streaming is that the work function will > return zero and the scheduler marks the block as done. > > So, if you take this changeset here. You should be able to stop and > restart a running USRP without problem. > http://gnuradio.org/cgit/jblum.git/log/?h=wip_uhd_stopper > > Use the following methods on the block: > > usrp->start() > usrp->stop() > and if you want to be precise about time, call > usrp->set_stream_time(...) before calling start() > > -josh > > > > > _______________________________________________ > > Discuss-gnuradio mailing list > > Discuss-gnuradio@gnu.org > > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > -- Alex, *Dreams can come true – just believe.*
_______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
