Re: **Cant use UHD SINK and UHD Source in the same flowgraph

[Marcus D. Leech]

On 16/01/2023 09:52, Taylor Clark wrote:
> Hey all,
>
> I am using the x410 with a flowgraph that has uhd source and uhd sink 
> in the same flowgraph however, I believe its because the device is 
> already claimed.
>
> Here is the output I am getting
>   self.uhd_usrp_source_1 = uhd.usrp_source(
>   File 
> "/usr/local/lib/python3/dist-packages/gnuradio/uhd/__init__.py", line 
> 125, in constructor_interceptor
>     return old_constructor(*args)
>   File 
> "/usr/local/lib/python3/dist-packages/gnuradio/uhd/uhd_swig.py", line 
> 2806, in make
>     return _uhd_swig.usrp_source_make(device_addr, stream_args, 
> issue_stream_cmd_on_start)
> RuntimeError: LookupError: KeyError: No devices found for ----->
> Device Address:
>     x4xx:
>
> Is it possible to use these two together and have them claim the 
> device as one
>
> Regards,
> Taylor Clark
This should "just work".

Can you share the flow-graph you're using, and the version of UHD and 
Gnu Radio?

In general, USRP-specific queries belong on the usrp-users mailing list, 
rather than here, although I agree that there's
  significant overlap in this question...