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.
>
>
maybe it is because you are already open the rx part and you try to open it
again for sensing..
Adib
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