Can you please run 'xusb -d vid:pid' where vid:pid are the ones of your device and send the log you get?
Regards, /Pete On 2012.10.29 17:51, Stefano Di Martino wrote: > Okay, I tested it now at home with Linux and the same usb device. It > seems, that fetching the string descriptor is a Windows problem. > First, I get the error "LIBUSB_ERROR_ACCESS", but then I run the example > with root privilege and everything run fine. Just, for the record: On > Windows I get an LIBUSB_ERROR_NO_MEM error. > What now? My program has to run under windows. > I attach again the descriptor of the usb device, but this time formated > by lsusb. > > Best regards > Stefano > > On 29.10.2012 14:32, Xiaofan Chen wrote: >> On Mon, Oct 29, 2012 at 3:27 PM, Stefano Di Martino >> <stefan...@gmx.net> wrote: >>> Sorry, this was the wrong attachment. >>> Here you find the right attachment... >>> >> Thanks. So this is a Logitech USB Headset, a USB composite >> device with Interface 3 to be the HID interface. Maybe there is >> a problem with libusbx HID backend to parse the HID descriptors. >> Pete may tell you more about how to debug the issue. >> >> Can you test under Linux to see if xusb works with this device? >> If you can please post "lsusb -vvv -d 046D:0A0B" output of the >> device under Linux. That should help. >> >> If you can not use Linux, try usbview under Windows first >> and post the descriptors. >> http://www.ftdichip.com/Support/Utilities.htm >> http://www.ftdichip.com/Support/Utilities/usbview.zip >> >> > > > > ------------------------------------------------------------------------------ > The Windows 8 Center - In partnership with Sourceforge > Your idea - your app - 30 days. > Get started! > http://windows8center.sourceforge.net/ > what-html-developers-need-to-know-about-coding-windows-8-metro-style-apps/ > > > > _______________________________________________ > libusbx-devel mailing list > libusbx-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/libusbx-devel > ------------------------------------------------------------------------------ The Windows 8 Center - In partnership with Sourceforge Your idea - your app - 30 days. Get started! http://windows8center.sourceforge.net/ what-html-developers-need-to-know-about-coding-windows-8-metro-style-apps/ _______________________________________________ libusbx-devel mailing list libusbx-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/libusbx-devel
