-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Matthew
Dharm
Sent: Saturday, December 03, 2005 9:20 PM
To: Stephen Beaver
Cc: Alan Stern; linux-usb-users@lists.sourceforge.net
Subject: Re: [Linux-usb-users] Memory stick detection
On Sat, Dec 03, 2005 at 11:56:09AM -0500, Stephen Beaver wrote:
>
> Thanks for your reply. If bInterfaceClass is supposed to be an 8 for this
> type of device but all the ones I tried (each from a different
manufacturer)
> report a 0, perhaps the USB system is broken. I'll make the same tests on
a
> PC and see what I get.
There are two bInterfaceClass numbers to look at. The per-device one for
most (all?) storage devices is '0', which means look at the other one.
The other one is per-interface. That one should be 8 for storage devices.
Matt
--
Matthew Dharm Home:
[EMAIL PROTECTED]
Maintainer, Linux USB Mass Storage Driver
Somebody call an exorcist!
-- Dust Puppy
User Friendly, 5/16/1998
============================================================================
Thanks Matt.
After rebooting the system, I did see an improvement. USB mass storage
devices now all seem to report ${INTERFACE} = 8/6/80 and this code in
/sbin/hotplug:
usb)
if [ ${INTERFACE%/*/* = "8" ] ; then
if ( ! mount -t vfat /dev/sda1 /mnt/memstick ) ; then
mkdosfs -I /dev/sda1
if ( ! mount -t vfat /dev/sda1 /mnt/memstick ) ; then
echo "Unable to mount/format this device"
fi
fi
fi
;;
seems to be a reliable way to do what I need.
It's working well, at least for small devices. (mkdosfs doesn't seem to like
sticks > 64 MB though)
Where might I find the documentation on these issues? - I have searched
everywhere I know and not really found anything yet.
Steve
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