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<H1>Re: How to support a scanner without documentation</H1>
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<STRONG>From:</STRONG> Simon Edwards (<A HREF="mailto:simoned@eisa.net.au?Subject=Re:%20How%20to%20support%20a%20scanner%20without%20documentation&In-Reply-To=&lt;394E972C.1CD324E3@eisa.net.au&gt;"><EM>simoned@eisa.net.au</EM></A>)<BR>
<STRONG>Date:</STRONG> Mon Jun 19 2000 - 14:57:00 PDT
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Hi,
<BR>
<P><EM>&gt;
</EM><BR>
<EM>&gt; 3) Windows spy programs: I could only find one such program. It's in the
</EM><BR>
<EM>&gt; aspisdk from Adaptec (&quot;aspispy.exe&quot;). This program connects to the ASPI
</EM><BR>
<EM>&gt; layer and records any ASPI commands sent to a device. That's nice, but
</EM><BR>
<EM>&gt; it doesn't seem to be able to print the buffers sent by drivers. Maybe
</EM><BR>
<EM>&gt; there are commercial solutions but I couldn't find information about
</EM><BR>
<EM>&gt; this type of program.
</EM><BR>
<EM>&gt; I don't know about parallel port and USB spies.
</EM><BR>
<P>Could I get that from you.
<BR>
&nbsp;
<BR>
<EM>&gt; 4) Wrapper SCSI dll: I have written a small dll which wraps the Windows
</EM><BR>
<EM>&gt; winaspi.dll and sends all the SCSI commands and the beginnings of the
</EM><BR>
<EM>&gt; buffers to a text file. This was pretty helpful for supporting the
</EM><BR>
<EM>&gt; Mustek Paragon 1200 A3 Pro. It only works if the scanner driver can
</EM><BR>
<EM>&gt; connect to ASPI complient SCSI adapters and doesn't insist on their own
</EM><BR>
<EM>&gt; adapter. The wrapper dll is written in Delphi 1 and is for the 16 bit
</EM><BR>
<EM>&gt; winaspi.dll only (not wnaspi32.dll). If somebody is interested I can
</EM><BR>
<EM>&gt; email the dll and source code.
</EM><BR>
<P>ooh ooh, I want that too! This sounds better than 3). You've done well.
<BR>
&nbsp;
<BR>
<EM>&gt; 5) Disassembling the Windows driver: I have never done this, other people
</EM><BR>
<EM>&gt; on this list may talk about this. I think it's a lot of work and needs
</EM><BR>
<EM>&gt; good understatement of assembler and the windows API.
</EM><BR>
<P>I had a go at disassembling the 'Mirascan.ds' driver that comes with my
<BR>
Acer 620ST. Haven't had too much success... Haven't had enough time. All
<BR>
I wanted to do was 'sniff' the SCSI bus and find out how the scanner is
<BR>
'warmed up'.
<BR>
<P><P><P>Simon Edwards
<BR>
<A HREF="mailto:simon@simonzone.com?Subject=Re:%20How%20to%20support%20a%20scanner%20without%20documentation&In-Reply-To=&lt;394E972C.1CD324E3@eisa.net.au&gt;">simon@simonzone.com</A>
<BR>
<P><PRE>
--
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