[sane-devel] Information on Visioneer 9320 OneTouch Scanner

James Liggett jrliggett at cox.net
Wed Apr 5 03:32:30 UTC 2006

On Wed, 2006-03-29 at 22:56 +0200, Henning Meier-Geinitz wrote:

> Can we see the full output including the tests for the chip sets,
> please?
Is this what you need?

<trying to find out which USB chip is used>
    checking for GT-6801 ...
    this is not a GT-6801 (bcdUSB = 0x200)
    checking for GT-6816 ...
    this is not a GT-6816 (bDeviceClass = 255, bInterfaceClass = 255)
    checking for GT-8911 ...
    this is not a GT-8911 (check 1, bDeviceClass = 255, bInterfaceClass
= 255)
    checking for MA-1017 ...
    this is not a MA-1017 (bDeviceClass = 255, bInterfaceClass = 255)
    checking for MA-1015 ...
    this is not a MA-1015 (bcdUSB = 0x200)
    checking for MA-1509 ...
    this is not a MA-1509 (bcdUSB = 0x200)
    checking for LM983[1,2,3] ...
    this is not a LM983x (bcdUSB = 0x200)
    checking for GL646 ...
    this is not a GL646 (bDeviceClass = 255, bInterfaceClass = 255)
    checking for GL646_HP ...
    this is not a GL646_HP (bcdUSB = 0x200)
    checking for GL660+GL646 ...
    this is not a GL660+GL646 (bDeviceClass = 255, bInterfaceClass =
    checking for GL841 ...
    this is not a GL841 (bEndpointAddress = 0x83, bmAttributes = 0x3,
wMaxPacketSize = 0x8, bInterval = 0x10)
    checking for ICM532B ...
    this is not a ICM532B (check 2, bcdUSB = 0x200)
<Couldn't determine the type of the USB chip>

> > I thought you'd also like to know that I'm looking to write a backend
> > for this scanner; AFAIK no existing backend supports it. Right now I'm
> > in the process of reverse-engineering the Windows driver (I don't have
> > access to documentation.) Unfortunately, this scanner's driver is fairly
> > complex, so I probably won't have anything useful for quite some time. 
> A first step would be to write a test for sane-find-scanner
> (check-usb-chip.c) to look for the chipset used by this scanner if
> it's not yet detected by sane-find-scanner.
Unfortunately I don't know how to go about finding out which chip the
scanner uses. (short of trying to open it up or try my luck with the
manufacturer) What do you suggest?


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