[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 =
255)
    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?

James




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