See https://www.electronicsdatasheets.com/download/51bf08b1e34e24b13c000050.pdf?format=pdf for GL126 datasheet. Steve
> On Sep 30, 2024, at 05:00, [email protected] wrote: > > Send sane-devel mailing list submissions to > [email protected] > > To subscribe or unsubscribe via the World Wide Web, visit > https://alioth-lists.debian.net/cgi-bin/mailman/listinfo/sane-devel > or, via email, send a message with subject or body 'help' to > [email protected] > > You can reach the person managing the list at > [email protected] > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of sane-devel digest..." > > > Today's Topics: > > 1. Any hints on how to start support for GL128-based Plustek > Film Scanner OpticFilm 120? (Erik Beck of Tahoma) > 2. Re: Any hints on how to start support for GL128-based > Plustek Film Scanner OpticFilm 120? (Erik Beck of Tahoma) > 3. Re: Any hints on how to start support for GL128-based > Plustek Film Scanner OpticFilm 120? (Ralph Little) > 4. Re: Any hints on how to start support for GL128-based > Plustek Film Scanner OpticFilm 120? (Bacon At Taha) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Sun, 29 Sep 2024 20:10:40 -0400 > From: Erik Beck of Tahoma <[email protected]> > To: [email protected] > Subject: [sane-devel] Any hints on how to start support for > GL128-based Plustek Film Scanner OpticFilm 120? > Message-ID: <[email protected]> > Content-Type: text/plain; charset=US-ASCII > > Hi, > > I have an OpticFilm 120 and would like to support it; I've been using > Vuescan on Windows and that software has developed bad regressions, > which has increased my desire to try and write some Linux support for > it. > > Any hints on how to start? It uses a GL128 chip from what I have > figured out so far, which is not currently supported by SANE. > > Thanks, > > Erik > > > > ------------------------------ > > Message: 2 > Date: Sun, 29 Sep 2024 20:47:46 -0400 > From: Erik Beck of Tahoma <[email protected]> > To: [email protected] > Subject: Re: [sane-devel] Any hints on how to start support for > GL128-based Plustek Film Scanner OpticFilm 120? > Message-ID: <[email protected]> > Content-Type: text/plain; charset=US-ASCII > > It might actually be based on a GL126 and an AD9826; Here's some string > analysis: > > data1.hdr: DRV_U_GL126_A31 > data1.hdr: AD13719F-9FE1-46C2-AB8B-716B5F256BF8:ScndrvU_GL126_A31 > data1.hdr: Ver:1.0.0.5_ (12/08/2014)_(## GL126_Plustek_A120 > 12clk,AD9826) PRODUCT.dat: AsicID = GL126 > > > >> On Sun, 29 Sep 2024 20:10:40 -0400 >> Erik Beck of Tahoma <[email protected]> wrote: >> >> Hi, >> >> I have an OpticFilm 120 and would like to support it; I've been using >> Vuescan on Windows and that software has developed bad regressions, >> which has increased my desire to try and write some Linux support for >> it. >> >> Any hints on how to start? It uses a GL128 chip from what I have >> figured out so far, which is not currently supported by SANE. >> >> Thanks, >> >> Erik >> > > > > > ------------------------------ > > Message: 3 > Date: Sun, 29 Sep 2024 21:36:11 -0700 > From: Ralph Little <[email protected]> > To: Erik Beck of Tahoma <[email protected]> > Cc: [email protected] > Subject: Re: [sane-devel] Any hints on how to start support for > GL128-based Plustek Film Scanner OpticFilm 120? > Message-ID: > <CAFNXweOaR-JtAMLog9FbcebUFjxXKgu=azpxtw-mdcdagl0...@mail.gmail.com> > Content-Type: text/plain; charset="utf-8" > > Hi, > > On Sun, Sep 29, 2024 at 5:47?PM Erik Beck of Tahoma <[email protected]> > wrote: > >> It might actually be based on a GL126 and an AD9826; Here's some string >> analysis: >> >> data1.hdr: DRV_U_GL126_A31 >> data1.hdr: AD13719F-9FE1-46C2-AB8B-716B5F256BF8:ScndrvU_GL126_A31 >> data1.hdr: Ver:1.0.0.5_ (12/08/2014)_(## GL126_Plustek_A120 >> 12clk,AD9826) PRODUCT.dat: AsicID = GL126 >> >> > AFAIK, the GL126 scanner-on-a-chip doesn't have a publicly available > datasheet. > That makes is quite difficult to figure out how to support it. > > The easiest method for getting a basic scan is to capture traffic, and > replicate it back to the scanner. > The harder part though is to figure out how to extract the details > necessary to determine how scan area is determined etc which vary with each > scan. > To do a good job, you also need to figure out how to do calibration to an > acceptable degree to get a decent scan. > This typically involves taking test scans from a target area outside of the > normal scan area, formulating adjustment tables, feeding them back to the > scanner, and iterating until an acceptable result is obtained. > > It's not for the faint of heart that's for sure. > > Cheers, > Ralph > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <http://alioth-lists.debian.net/pipermail/sane-devel/attachments/20240929/616c37fd/attachment-0001.htm> > > ------------------------------ > > Message: 4 > Date: Mon, 30 Sep 2024 05:27:49 -0400 > From: Bacon At Taha <[email protected]> > To: Ralph Little <[email protected]> > Cc: [email protected] > Subject: Re: [sane-devel] Any hints on how to start support for > GL128-based Plustek Film Scanner OpticFilm 120? > Message-ID: <[email protected]> > Content-Type: text/plain; charset="us-ascii" > > An HTML attachment was scrubbed... > URL: > <http://alioth-lists.debian.net/pipermail/sane-devel/attachments/20240930/0db83267/attachment-0001.htm> > > ------------------------------ > > Subject: Digest Footer > > _______________________________________________ > sane-devel mailing list > [email protected] > https://alioth-lists.debian.net/cgi-bin/mailman/listinfo/sane-devel > > > ------------------------------ > > End of sane-devel Digest, Vol 231, Issue 23 > *******************************************
