On Tue, Feb 12, 2008 at 04:30:00PM -0500, Ed Criscuolo wrote: > Johnathan Corgan wrote: > >> Can you confirm that you are in fact using a USB 2.0 controller? Your >> symptoms are consistent with what happens when you have USB 1.1. The >> enumeration is able to successfully occur, so you get the device, >> etc., but when the host tries to establish a high speed endpoint for >> data transfer, it fails. >> > > > Arrrgh.... you hit the nail on the head! USBView reports that the > built-in hub is "Full-Speed", which is USB-speak for 1.1! > > Thanks. > > Any way the error reporting can be improved to explicitly indicate > a 1.1 port? >
It's ticket:90. http://gnuradio.org/trac/ticket/90 It needs somebody willing to work on it. The fix is probably a new function in usrp_prims.cc that fishes out the bcdUSB field from the libusb usb_device_descriptor. See usrp_usrp_p for code that extracts info from the same descriptor. Eric _______________________________________________ Discuss-gnuradio mailing list [email protected] http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
