Hey Pete, sorry, for bothering you, but this time, there was no bug in libusbx. I just requested a to big string (my buffer length was 255) and this blew things up. So everything is fine. THX! :-)
Best regards Stefano -------- Original-Nachricht -------- > Datum: Tue, 30 Oct 2012 13:59:11 +0100 > Von: "Stefano Di Martino" <stefan...@gmx.net> > An: libusbx-devel@lists.sourceforge.net > Betreff: Re: [Libusbx-devel] Bug in get_string_descriptor? > Hi Pete, > I'm not sure, if the bug is completely fixed. > pyUSB uses a different method to retrieve the string descriptor. It's > doing it with ctrl_transfer() and the appropriate request and I'm getting an > overflow error. > I tried to port this method to C and instead of getting a string, I get > cryptic characters, which indicated indead an overflow. > > I attach an C example and different logs and Python code which shows how > pyUSB retrieves a string descriptor. > > Best regards > Stefano > > -------- Original-Nachricht -------- > > Datum: Mon, 29 Oct 2012 23:52:16 +0000 > > Von: Pete Batard <p...@akeo.ie> > > An: libusbx-devel@lists.sourceforge.net > > Betreff: Re: [Libusbx-devel] Bug in get_string_descriptor? > > > The latest commit [1] should fix access to composite HID interfaces. > > > > If you need help recompiling from latest git, please see > > https://github.com/libusbx/libusbx/wiki#wiki-Accessing_the_Source > > Alternatively, you can just download the github zipball from > > https://github.com/libusbx/libusbx/zipball/master > > > > Just to confirm that things work as they should, a debug output of xusb > > -d against your device would be nice. > > > > Regards, > > > > /Pete > > > > [1] > > > https://github.com/libusbx/libusbx/commit/fdff665a44169eda702a1267a3bbb4501d6bb3ee > > > > > ------------------------------------------------------------------------------ > > 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 ------------------------------------------------------------------------------ Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_sfd2d_oct _______________________________________________ libusbx-devel mailing list libusbx-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/libusbx-devel