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<TITLE>sane-devel: RE: IOCTL codes for parallel port</TITLE>
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<META NAME="Author" CONTENT="Adrian Perez Jorge (adrianpj@easynews.com)">
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<META NAME="Subject" CONTENT="RE: IOCTL codes for parallel port">
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<H1>RE: IOCTL codes for parallel port</H1>
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<!-- received="Sun Dec 31 09:28:14 2000" -->
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<!-- name="Adrian Perez Jorge" -->
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<!-- subject="RE: IOCTL codes for parallel port" -->
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<STRONG>From:</STRONG> Adrian Perez Jorge (<A HREF="mailto:adrianpj@easynews.com?Subject=RE:%20IOCTL%20codes%20for%20parallel%20port&In-Reply-To=<200012311745.JAA11035@mail16.bigmailbox.com>"><EM>adrianpj@easynews.com</EM></A>)<BR>
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<STRONG>Date:</STRONG> Sun Dec 31 2000 - 09:45:41 PST
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<LI><STRONG>Next message:</STRONG> <A HREF="0339.html">Henning Meier-Geinitz: "Re: Installation and man page of find-scanner"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0337.html">Adrian Perez Jorge: "Re: HP PhotoSmart S20"</A>
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<LI><STRONG>Maybe in reply to:</STRONG> <A HREF="0336.html">Max Vorobyev: "IOCTL codes for parallel port"</A>
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<!-- body="start" -->
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('binary' encoding is not supported, stored as-is)
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<EM>>I've disassembled HP's driver for ScanJet 5s and convert most
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</EM><BR>
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<EM>>branches (according to TWAIN driver description) to C-code. But there
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</EM><BR>
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<EM>>is a problem: driver deals with LPT port via DeviceIoControl function
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</EM><BR>
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<EM>>with some IOCTL codes. All I have is numeric constants, but I need
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</EM><BR>
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<EM>>description of these command codes and (more important) buffer
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</EM><BR>
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<EM>>structures for them. Those codes are not described in MSDN. Perhaps,
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</EM><BR>
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<EM>>they should be in DDK of Windows NT. Can somebody help me to find
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</EM><BR>
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<EM>>descriptions?
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</EM><BR>
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<EM>>Thanks in advance.
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</EM><BR>
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<P><P>I have no experience in parallel port rev-eng... but have you used
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<BR>
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this pport sniffer?
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<BR>
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<P> <A HREF="http://www.sysinternals.com/portmon.htm">http://www.sysinternals.com/portmon.htm</A>
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<BR>
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<P>If this doesn't work, maybe there is a ``kernel-level driver'' wich is
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<BR>
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the piece of software which is really talking to the scanner, and
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<BR>
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maybe those are cumstom IOCTL's. So look at
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<BR>
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windoze/system32/drivers or windoze/system for any .vxd that were
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<BR>
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shipped in the scanner drivers.
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<BR>
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<P>Cheers,
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<BR>
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<P><P>Adrian Perez Jorge
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<BR>
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<<A HREF="mailto:adrianpj@easynews.com?Subject=RE:%20IOCTL%20codes%20for%20parallel%20port&In-Reply-To=<200012311745.JAA11035@mail16.bigmailbox.com>">adrianpj@easynews.com</A>>
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<BR>
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<P>------------------------------------------------------------
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<BR>
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Free Web space and web based email @EASYNEWS.COM
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<BR>
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<P><P><P><PRE>
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--
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Source code, list archive, and docs: <A HREF="http://www.mostang.com/sane/">http://www.mostang.com/sane/</A>
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<!-- next="start" -->
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<LI><STRONG>Next message:</STRONG> <A HREF="0339.html">Henning Meier-Geinitz: "Re: Installation and man page of find-scanner"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0337.html">Adrian Perez Jorge: "Re: HP PhotoSmart S20"</A>
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<LI><STRONG>Maybe in reply to:</STRONG> <A HREF="0336.html">Max Vorobyev: "IOCTL codes for parallel port"</A>
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This archive was generated by <A HREF="http://www.hypermail.org/">hypermail 2b29</A>
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: <EM>Sun Dec 31 2000 - 09:30:23 PST</EM>
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