曾繁勛 wrote:
>
> Hi All,
>
> Here is my experiment environment:
> Host A: one USRP1 + two RFX2400
> Host B: one USRP1 + one RFX2400
> Both of these two hosts, I am using the gnuradio trunk
> version and fedora core 7.
> Goal: tunnel on a specific spectrum and sense a wideband spectrum
> range(2.3GHz to 2.5GHz in this example).
>
> I want to use this environment to achieve tunneling between two
> hosts and simultaneously sense wideband on host A, so I have modified the
> widespectrum.py and tunnel.py. I have tried to combine these two programs
> into one program. However when I execute this program (type
> ./tunnel_sense.py –f 2.462G 2.3G 2.5G), this program locked after I
> configure the gr0 interface.
>
> I know that when I configure the gr0 interface, the procedure will
> jump into the sense_loop(tb), but I can’t realize why the procedure locked
> at the while loop of sense_loop(tb). The attached file is the program
> which
> I have modified.
>
> Is there anyone doing the thing or any suggestion? Any suggestions
> are good for me…more appreciated, thanks.
>
> Joey
>
>
>
> _______________________________________________
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> Discuss-gnuradio@gnu.org
> http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>
>
Hi,
The problem seem to be related to your definition of your USRP source. The
source is defined in receive_path but your trying to access it in
tunnel_sense as being a source within the topblock. I would define it in the
topblock and pass it along to the rx path.
Regards,
Dan
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