OK, abbasi9999 wrote: > > Hi Sriram , > > Did you managed to solve your problem? > I'm doing the same, but i don't have any errors. The connecting process is > ok, > > but i think there is a conflict between the "call_back" of the receiving > path and the "eval" function of the sensing path? have you faced some > problem like this? > > if yes, please inform how did you solve it. > > regards, > > > > Sriram Krishnan-3 wrote: >> >> Hi, >> I am trying to write an application which senses spectrum >> (usrp_spectrum_sense.py) and transmits/receives signals. I have the >> tx/rx working fine. But when i add another flow graph(3rd one to >> existing tx and rx) for the spectrum sense,to the top block, it gives me >> an error. I get an error on this line which says "cant open rx >> interface" and "device busy" >> >> self._u = usrp.source_c (self._which, >> fusb_block_size=self._fusb_block_size, >> fusb_nblocks=self._fusb_nblocks) >> >> Is it because of competing receive paths. I thought that we could have >> multiple paths. >> Could somebody help in this regard. >> >> Sriram >> >> >> >> _______________________________________________ >> Discuss-gnuradio mailing list >> Discuss-gnuradio@gnu.org >> http://lists.gnu.org/mailman/listinfo/discuss-gnuradio >> >> > >
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