primax: scanning with lamp=off
Subject:
Re: scanning with lamp=off
From:
Christian Ordig ####@####.####
Date:
1 Aug 2001 10:28:14 -0000
Message-Id: <20010801122038.W23351@odin.chris.com>
On Thu, Jul 26, 2001 at 01:11:50PM +0200, Wolfgang Funke wrote:
> Now I want to scan slides and negatives. This means to scan with the lamp
> switched off using an external light source. The command line switches
> don't allow this. So I tried with some code changes. But during scan the
> lamp always is switched on. I don't understand the commands sent do the
> LPT port. Is there anybody out there who can help me with this
> !g%!nfz(%#*! commands? Or is this 'feature' caused by the scanner hardware
> and the lamp has to be disconnected with a (real) switch?
you should check all writes to Scanner register 0x06
Bit 5 should be off there in order to have the lamp off.
in primax_scan.c line 623 changing the 0xbd to 0x9d could help, but I
haven't tested it.
Besides the other changes which are ovious.
Good luck.
