I've had this issue before too. It is worth noting that you can reset the USB interface programmatically. See https://askubuntu.com/a/661 for an example.
On Mon, Apr 12, 2021, 12:06 PM <para...@kwesst.com> wrote: > Hi everyone, I'm just starting out with the USRP B205 mini-i, and I'm > having some issues. > > I'm running Ubuntu 20.04 LTS, I've also installed the UHD toolchain using > the instructions on the Ettus website (Building and Installing the USRP > Open-Source toolchain (UHD and GNURadio) on Linux. The UHD version is > v4.0.0.0. > > So, after installing UHD and running the 'make test' diagnostic, > everything passes 100%, so it seems like everything is working correctly. > I've also made sure that the 'uhd-usrp.rules' file has been copied to the > /etc/udev/rules.d directory. > > When I plug in the B205 mini and do a 'lsusb', it finds a device with the > VID/PID of 2500:0022 called "Cypress WestBridge". This is the B205 because > when I unplug and run 'lsusb' it disappears, then if I plug it back in it > reappears. Great! > > So next I try 'uhd_find_devices' and it finds nothing. It returns with: > > [INFO] [UHD] linux; GNU C++ version 9.3.0; Boost_107100; > UHD_4.0.0.HEAD-0-g90ce6062 > > No UHD Devices Found > > Questions: > > 1) Should the uhd-usrp.rules have a specific entry for the B205? > > 2) Is is correct that the B205 comes up as a "Cypress WestBridge"? I know > it's the B205 because when I unplug it, it disappears, and when I plug it > back in, it reappears. > > 3) uhd_find_devices does not throw any errors, it just doesn't find the > device, could there be a hardware problem? > > Any help is appreciated, thanks! > _______________________________________________ > USRP-users mailing list -- usrp-users@lists.ettus.com > To unsubscribe send an email to usrp-users-le...@lists.ettus.com >
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