[USRP-users] Detecting if USRP contended via USB 2.0 or USB 3.0.

Martin Braun martin.braun at ettus.com
Fri Apr 17 15:24:20 EDT 2015


If you're running a B210, you can query /mboards/0/link_max_rate on the 
property tree.

Cheers,
Martin

On 16.04.2015 14:18, Weaver, Tyler via USRP-users wrote:
> Hello Marcus,
>
> Thank you for the help.  I need to access it through a UHD application.
>   Using your method I got these two results when connecting:
>
> usb 2: 3.2e+07
> usb 3: 5e+08
>
> The question I have relates to the usb 2 rate.  I’ve read that the
> greatest sample rate under usb 2 is 8 MS/s.  Are these numbers in
> bytes/s?  If so that would make sense that you need 32e6 bytes/s to
> transfer 8e6 2x16bit complex values.  Is this correct?
>
> tyler
>
>
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