gnupic: Re: [gnupic] PICDEM FS USB and Linux tools
Subject:
Re: [gnupic] PICDEM FS USB and Linux tools
From:
"Xiaofan Chen" ####@####.####
Date:
23 Sep 2007 11:24:58 +0100
Message-Id: <a276da400709230324j2777c2cet21b681e17e651b1e@mail.gmail.com>
On 9/22/07, Xiaofan Chen ####@####.#### wrote:
> > One thing I've noticed both on the PICDEM and the UWB (Sparkfun)
> > board is if I hold the button down for "boot mode" the entry listed in
> > "lsusb" only stays for some time. That is, I get the board in boot
> > mode and then keep doing "lsusb" the listing:
> >
> > Bus 002 Device 027: ID 04d8:000b Microchip Technology, Inc.
> >
> > shows up for about 1-3 seconds then goes away. Any ideas about
> > this? I'm running Debian sid:
>
> Apparently this is a problem with Debian kernel and people
> (including me --under Ubuntu 7.04) are having problem with the
> bootloader and the CDC example (UWB is based on the CDC
> example). It is said compiling a new vanila kernel will help.
> I have not done that yet. It has been a while that I need
> to recompile a kernel...
> Please also refer to the following threads:
> http://forum.microchip.com/tm.aspx?m=283378
>
Problem solved with vanilla kernel.
If you encounter problems with the USB firmware framework based device
under later kernels, you might want to use the kernel.org vanilla
kernel and build the kernel which disable auto-suspend.
Solution:
http://forum.microchip.com/tm.aspx?m=275422&mpage=2
http://sourceforge.net/mailarchive/forum.php?thread_name=1189786321l.13173l.12l%40mofo&forum_name=libusb-devel
Regards,
Xiaofan
