gnupic: Re: [gnupic] HID keyboard code for gpasm and the fs picdem board
Subject:
Re: [gnupic] HID keyboard code for gpasm and the fs picdem board
From:
Ben Dugan ####@####.####
Date:
15 Sep 2005 15:20:09 +0100
Message-Id: <4329830E.5000509@curdes.com>
Xiaofan Chen wrote:
> One potential problem, maybe it is not related to your code but the Linux
> HID driver and hot-plugging system. Once I unplug the PICDEM FS USB
> demo board, the last character (one of the characters in FOOBAR) will sometimes
> continue to be scroll though the screen. I have to hit ctrl-c to stop
> the scrolling of
> the last character. The other thing I notice is that the 4 LEDs are in different
> state under Linux and Windows. Pretty strange.
>
> Regards,
> Xiaofan
>
> An example when I plug and unplug the PICDEM FS USB with your keyboard
> hex file. This is actually happening when I am typing, in this Firefox window.
> It also happens in other window which gets the focus.
>
> FOOBAR FOOBAR FOOBAR FOOBAR FOOBAR FOOBAR FOOBAR FOOBAR FOOBAR FOOBAR
> FOOBAR FOOBAR FOOBAR FOOBAR FOOBAR
> FOOBAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
> AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA (Ctrl-C)
Yes, I observe this odd (bad) behavior, too. In my case it stops
repeating (after I unplug the cable) after I hit a <cr> on my real keyboard.
I'll be working on this further, and maybe I'll send a newer version
later if I work it out.
Ben
