Re: new mustek_pp backend version

From: Grega Bremec (gregab@gbsoft.org)
Date: Sun Sep 10 2000 - 02:43:56 PDT

  • Next message: Grega Bremec: "Re: new mustek_pp backend version"

    On Sun, Sep 10, 2000 at 12:55:48AM +0200, you (Jochen Eisinger <jochen.eisinger@gno.de>),
    have somehow managed to commit the following:
    > Hi!

    Hi, Jochen, nice to see you in action again :-)

    > I put version 0.9-devel of the mustek_pp backend on my page
    > (http://home.germany.net/freestyle/sane/).
    >
    > new features:
    >
    > * 600 dpi grayscale scans on ASIC 1015/CCD 01 (05?) scanners
    > * corrected scan area for 300 dpi scanners
    > * some bugfixes / some new bugs
    >
    > depending on the feedback I get, I'll commit this version to CVS in a
    > few days

    The feedback is positive, at least as far as the ScanExpress 1200 ED
    Plus model is concerned. Jochen, you are a czar! :-)))

    I already thought it's not going to work, because after I installed
    it, the symptoms were just the same as before: the sounds of the rotor
    moving were coming out of the scanner, but the head never went
    anywhere (although everything was happening much faster than in the
    8-devel version). Then, after a good night's sleep, I took another
    look at the test session log transcript (with SANE_DEBUG_MUSTEK_PP set
    to 128), and I noticed this line saying

        [mustek_pp] attach: use600 is `no'

    which gave me a good reason to think everything over. I looked at the
    manpage (doh!), and of course, it was all there.

    Now I can report to you that grayscale works quite well, although I
    still have to test it with xsane to see how much post-processing can
    improve the scan results (the raw pnm output seems a bit on the dark
    side), as well as lineart mode (which one would almost expect, since
    it only seems to be a small step away from grayscale scanning).

    I attached the output of scanimage -T and my mustek_pp.conf just to
    let you see how things were going on my scanner from the first hand.

    Let me express my gratitude again, and please, if there is anything I
    can do to help you develop a working colour-scan, do let me know.

    As a side note - what is this supposed to mean (I suppose it's an
    obsolete checkpoint now :-))?

        [mustek_pp] init_options(v1.0.9-devel): line 2701: debug exception
        [mustek_pp] ASSERT((dev->asic_id == 0xA8) || ((dev->asic_id == 0xA5) \
                                            && (dev->ccd_type == 0))) failed
        [mustek_pp] expect disaster...

    Cheers,

    -- 
        Grega Bremec
        grega.bremec@gbsoft.org
        http://www.gbsoft.org/
    

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