What about exchanging some dummy packets after an open to get back
in sync w.r.t. the toggle bit? (for example some simple commands
that are normally used to get status info)
I've seen the toggle problem for a device connected to windows.
Sending the first packet twice from the device to the PC fi
Hi,
i got a problem with my avision scanner:
Lots of output:
[sanei_debug] Setting debug level of avision to 128.
[avision] sane_init: parsing config line ""
[avision] sane_init: config file line 1: ignoring empty line
[avision] sane_init: parsing config line "# This are the possible options.
Nor
On Tue, May 24, 2005 at 01:18:59PM +0200, stef wrote:
> On Mon, May 23, 2005 at 02:52:27PM -0400, m. allan noah wrote:
> > steven, i see this exact problem with certain fujitsu scanners. the
> > difficulty is that USB uses a 0/1 toggling bit during the data transmit
> > phase. when libusb closes
On Mon, May 23, 2005 at 02:52:27PM -0400, m. allan noah wrote:
> steven, i see this exact problem with certain fujitsu scanners. the
> difficulty is that USB uses a 0/1 toggling bit during the data transmit
> phase. when libusb closes the device, the device should reset the toggle
> back to 0, t
yes, this is what i see the fujitsu windows driver do. however, i have had
some trouble getting this to work reliably, i dont know if kernel keeps
toggle at 0 for some reason?
i will try again.
allan
On Tue, 24 May 2005, Bertrik Sikken wrote:
> What about exchanging some dummy packets after a
On Tue, 24 May 2005, Olaf Meeuwissen wrote:
> "m. allan noah" writes:
>
>> steven, i see this exact problem with certain fujitsu scanners.
>
> It also manifests itself with several EPSON scanners as described in
>
> http://lists.alioth.debian.org/pipermail/sane-devel/2004-June/011233.html
>
>
On Tue, 24 May 2005, stef wrote:
> On Tue, May 24, 2005 at 01:18:59PM +0200, stef wrote:
>> On Mon, May 23, 2005 at 02:52:27PM -0400, m. allan noah wrote:
>>> steven, i see this exact problem with certain fujitsu scanners. the
>>> difficulty is that USB uses a 0/1 toggling bit during the data tran
