Re: B200-mini not detected thru GNU Radio

[Marcus Müller]

Hi Alex,

On 13.03.24 21:13, Woods, Alex C wrote:
> Hello,
>
> I've constructed the Spectrum Analyzer as seen on this page (see following link to GNU 
> radio wiki) in hopes to test the functionality of GNU radio's compatibility with the 
> b200-mini I plan to use for a project:
>
> https://wiki.gnuradio.org/index.php?title=Guided_Tutorial_Hardware_Considerations 
> <https://wiki.gnuradio.org/index.php?title=Guided_Tutorial_Hardware_Considerations>
>
> Unfortunately, when I run execute the flow graph, I get:
>
> RuntimeError: LookupError: KeyError: No devices found for -----> Empty Device 
> Address
>
> and it doesn't run as intended. I've verified the connection of the device through UHD 
> command uhd_find_devices (as well as several other commands), where it sees the b200-mini 
> just fine, but GNU Radio isn't seeing it for some reason. The device is interfaced via USB.
>
> This is similar to the error this StackExchange user encountered (see link below), but I 
> was slightly confused on how to fix it with the advice provided in the highest-upvoted 
> response.
>
> https://stackoverflow.com/questions/33304828/when-trying-to-use-my-usrp-in-gnu-radio-i-get-a-no-devices-found-for
>  
> <https://stackoverflow.com/questions/33304828/when-trying-to-use-my-usrp-in-gnu-radio-i-get-a-no-devices-found-for>

Ha, that's my answer :)

> If it has any effect on anything, I downloaded GNU Radio using the three lines at the top 
> of the UbuntuInstall page on the wiki (linked below):
>
> https://wiki.gnuradio.org/index.php/UbuntuInstall#:~:text=There%27s%20generally%20no%20need%20to%20build%20GNU%20Radio,for%20anyone%20who%20is%20new%20to%20GNU%20Radio.
>  
> <https://wiki.gnuradio.org/index.php/UbuntuInstall#:~:text=There%27s%20generally%20no%20need%20to%20build%20GNU%20Radio,for%20anyone%20who%20is%20new%20to%20GNU%20Radio.>

What's the reason for going this complicated route rather than the easy, 
https://wiki.gnuradio.org/index.php?title=InstallingGR recommended route of

`apt-get install gnuradio`

here? That has effect on what I'd recommend you do.

Best regards,
Marcus