# Re: =?iso-8859-1?Q?MUSTEK=3A_color_scanning_still_doesn=B4t_work?=

David Mosberger-Tang (davidm@azstarnet.com)
Wed, 2 Apr 1997 07:29:18 -0700

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>>>>> On Wed, 2 Apr 1997 14:04:34 -0600, "Mathias Weigt (Stud. 94)" <p5iba@medchem2.pharmazie.uni-halle.de> said:

Mathias> The GTK+ from gimp-0.99.6 works no longer. Only
Mathias> with the provided gtk+ sane-0.51 can be compiled.

This is correct (well, SANE will compile with an older gtk, but you
won't get xscan & xcam that way).

Mathias> I had to
Mathias> include sys/param.h in frontend/preview.h to avoid the an
Mathias> error that sounds like that: "PATH_MAX wasn`t
Mathias> defined...". But with the new gtk+ this has become
Mathias> obsolete.

OK, I fixed this.

Mathias> Sane-0.51 works (tooltips are a nice feature). Your mustek
Mathias> patch works also but not for color scanning. It fixes the
Mathias> range mismatch. But every resolution
Mathias> > 311 dpi is divided by 10; so at 599dpi 60dpi are scanned.

Oops, there was a typo. Try this patch:

--- sane-0.51/backend/mustek.c~ Wed Apr 2 07:25:29 1997
+++ sane-0.51/backend/mustek.c Wed Apr 2 07:25:54 1997
@@ -673,7 +673,7 @@
/* or in single/multi bit: */
start[4] |= (s->mode & MUSTEK_MODE_MULTIBIT) ? (1 << 6) : 0;
- if (!s->hw->flags & MUSTEK_FLAG_SINGLE_PASS)
+ if (!(s->hw->flags & MUSTEK_FLAG_SINGLE_PASS))
/* or in expanded resolution bit: */
start[4] |= (s->resolution_code & 0x100) >> 1;

Mathias> When scanning in color mode the following error message
Mathias> occurs after the first pass: "Failed to start scanner:
Mathias> Device busy"

I'm not sure yet what's going wrong. Could you send me the output you
get when invoking "scan" with environment variables SANE_DEBUG_MUSTEK
and SANE_DEBUG_DLL set to 128?

--david

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