[sane-devel] Looking to get my Mustek A3 1200S flatbed Scanner with GL128 chip working with XSANE

Stef stef.dev at free.fr
Thu May 16 19:21:31 UTC 2013

On 16/05/2013 16:27, Aaron Silver wrote:
> Thank you for responding so quickly!
> My main desktop is a Windows 7 machine, so usbsniff, and SnoopyPro and 
> such haven't worked for me. I did get USBLyzer working, and I can make 
> the log files from that available.
> Since the file is 13M I figured I'd make it available for you to download:
> https://docs.google.com/file/d/0BzGkOUvLpLAEUndRc3RJT0NWNmM/edit?usp=sharing
> I had the scanner unplugged from the USB port, I started the log, I 
> plugged in the scanner, then initiated a full color preview, and then 
> stopped the log.
> Any more questions please feel free to ask, and thank you very much 
> for any help you can provide!
> Aaron Silver


     I have downloaded the file. I don't know what I can extract from 
it, since it is a format my dev scripts don't handle. It'll take me 
quite some time to figure out something.

> On Wed, May 15, 2013 at 3:38 PM, Stef <stef.dev at free.fr 
> <mailto:stef.dev at free.fr>> wrote:
>     On 15/05/2013 00:54, Aaron Silver wrote:
>         I've got a Mustek A3 1200S flatbed scanner that I'd like to
>         use with XSANE. The sane-find-scanner reported the USB ID as
>         0x055f and the Device ID as 0x0502. It thought the scanner had
>         a GL848+ chip, but when I opened the case I see a chip with
>         GL128 stamped on it.
>         I had USBlyzer listen while I did a couple of scans (one full
>         A3 size, and one of the lower half of the page), but I don't
>         know what the next step is or how to take it. If someone can
>         walk me through it I'd be happy to do as much of the work as I
>         can, but I'm also willing (and some would say very able) to
>         play dumb monkey and feed someone knowledgeable the
>         information they ask for.
>         Thanks in advance,
>         Aaron Silver
>         Hello,
>         I can't find the datasheet for this chip, so I can't really
>     tell how different it is from already supported genesys chip. But
>     even with the datasheet, it is not convenient to develop without a
>     test scanner. A few seconds test can turn in a few hours (even
>     days) long, because of getting code changes applied remotely, then
>     executed and getting debug information back. Programming for these
>     scanner involve quite a lot of trial and error, even if you have
>     the datasheet.
>         However, you can still post an usb snoop log of a color
>     preview scan, just to get some idea on how this scanner work.
>     Regards,
>         Stef

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