On Wed, Nov 05, 2014 at 15:14:49 +0000, Nix wrote: > > Did you get anywhere with trying to look at the device firmware? > Look at it? Only Daniel Silverstone (Cc:ed) can do that. The only copy > of the firmware I have is baked into the sealed key. :) Sadly I can't look at the exact firmware of the device, but I can tell you it was based on ST Electronics' virtual COM port example in their *old* STM32 development kits. Fortunately I do have a record of that example code here: https://git.gitano.org.uk/stm32-virtcomport.git/ I'm not a USB guru though. D. -- Daniel Silverstone http://www.digital-scurf.org/ PGP mail accepted and encouraged. Key Id: 3CCE BABE 206C 3B69 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html