There's a property tree property that you can query, I keep forgetting which it is; I think it can be derived from .../mboard0/max_link_rate. However, note, that the PT is certainly not a UHD API.
Best regards, Marcus M On 27.08.21 23:46, Marcus D. Leech wrote: > On 2021-08-27 5:39 p.m., Jeff Long wrote: >> uhd_usrp_probe reports it doesn't it? > Only as a side-effect of the driver opening the device. It doesn't do > anything explicit > that I can see. > > >> >> On Fri, Aug 27, 2021, 17:35 Marcus D. Leech <patchvonbr...@gmail.com >> <mailto:patchvonbr...@gmail.com>> wrote: >> >> On 2021-08-27 2:49 p.m., Mike wrote: >> > Hello, >> > >> > I apologize if I missed it in the documentation, but is there a UHD >> > function that will return the USB version (e.g. USB 2 or USB 3) that >> the >> > USRP is using? >> > >> > I'm using a B200 in a custom C++ program and would like to >> > programmatically verify the USB connection speed before attempting high >> > rate sampling. >> > >> > >> > Thanks! >> > >> > >> > >> I don't think it's exposed in the API, but the driver code here: >> >> >> https://github.com/EttusResearch/uhd/blob/master/host/lib/usrp/b200/b200_impl.cpp >> >> <https://github.com/EttusResearch/uhd/blob/master/host/lib/usrp/b200/b200_impl.cpp> >> >> Calls a get_usb_speed() function. >> >> >> >
