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<TITLE>sane-devel: HP 5300C programming</TITLE>
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<META NAME="Subject" CONTENT="HP 5300C programming">
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<H1>HP 5300C programming</H1>
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<STRONG>From:</STRONG> <A HREF="mailto:EdHamrick@aol.com?Subject=Re:%20HP%205300C%20programming&In-Reply-To=<64.60b4832.26db9d4a@aol.com>"><EM>EdHamrick@aol.com</EM></A><BR>
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<STRONG>Date:</STRONG> Mon Aug 28 2000 - 03:47:38 PDT
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<P>
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<LI><STRONG>Next message:</STRONG> <A HREF="0246.html">thaddock@kr.onet.pl: "Re: HP 5300C programming"</A>
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<LI><STRONG>Previous message:</STRONG> <A HREF="0244.html">Harald Finster: "Re: question about scan exposure time (microtek2)"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0247.html">EdHamrick@aol.com: "Re: HP 5300C programming"</A>
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<P>
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I recently figured out how to program the HP 5300C (and I
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<BR>
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suspect the HP 3300C).
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<BR>
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<P>The 5300C is actually built by Avision, and uses the Avision
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<BR>
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scsi command set. The scsi commands are encapsulated in
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<BR>
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USB reads and writes as follows:
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<BR>
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<P>1) Write CDB to bulk data endpoint
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<BR>
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2) Read or write command data to/from a bulk data endpoint (if len > 0)
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<BR>
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3) Read 1 byte of status data from interrupt endpoint (0==success)
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<BR>
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<P>There's one input bulk data endpoint, one output endpoint,
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<BR>
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and one interrupt endpoint.
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<BR>
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<P>Interestingly, the Minolta Scan Dual II film scanner is also
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<BR>
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built by Avision, and uses the same command set as the
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<BR>
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HP 5300C. I haven't tested the 3300C but I'm
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<BR>
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pretty sure it is built by Avision as well.
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<BR>
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<P>The Scan Dual II has VID=0x0638 PID=0x026a
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<BR>
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The HP 5300C has VID=0x03f0 PID=0x0701
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<BR>
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The HP 3300C has VID=0x03f0 PID=0x0205
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<BR>
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<P>I write a film scanner program for Windows, Mac, and
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<BR>
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Linux called VueScan (www.hamrick.com) and I have
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<BR>
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version 6.1 working with the Scan Dual II and 5300C
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<BR>
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(on Windows only at the present time). I want to add
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<BR>
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USB scanner support on Linux.
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<BR>
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<P>It would be useful if someone would modify the microtek.c
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<BR>
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code to implement the Avision scsi->usb encapsulation.
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<BR>
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This way SANE (and VueScan) would easily be
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<BR>
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able to access Avision scanners through the
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<BR>
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normal SCSI driver.
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<BR>
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<P>Alternatively, it would be useful if scanner.c had an ioctl
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<BR>
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that let you read and write a specific endpoint.
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<BR>
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<P>Regards,
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<BR>
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Ed Hamrick
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<BR>
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<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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To unsubscribe: echo unsubscribe sane-devel | mail <A HREF="mailto:majordomo@mostang.com?Subject=Re:%20HP%205300C%20programming&In-Reply-To=<64.60b4832.26db9d4a@aol.com>">majordomo@mostang.com</A>
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</PRE>
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<LI><STRONG>Next message:</STRONG> <A HREF="0246.html">thaddock@kr.onet.pl: "Re: HP 5300C programming"</A>
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<LI><STRONG>Reply:</STRONG> <A HREF="0247.html">EdHamrick@aol.com: "Re: HP 5300C programming"</A>
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This archive was generated by <A HREF="http://www.hypermail.org/">hypermail 2b29</A>
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