-----Original Message-----
>From: Dennis Ruffer <druffer_at_worldnet.att.net>
>Sent: Oct 22, 2009 1:46 AM
>To: sftalk_at_forth.com
>Subject: [sftalk] Re: USB from SwiftForth
>
>Alan, have you looked at what (I think) Leon did for the IntellaSys
>FORTHdrive in VentureForth (http://www.intellasys.net)? It uses the
>SCSI pass through mechanism that sounds much more applicable to what
>you are trying to do. I suspect that this other stuff is talking
>about the target end for an 8051 chip, which is the only reason I can
>see to use a Keil compiler. I did a little bit of the work on an OSX
>version of the FORTHdrive interface and found that you are right.
>It's a real can or worms. Steven Pelc pointed me in the right
>direction and Joel Reymont did the really nasty IOKit work. However,
>I suspect that the PC interface was much easier.

So far as I have been able to tell, Windows treats SCSI devices as file servers--gives them drive letters, looks for a FAT, etc. I have not found a built-in driver API that allows raw SCSI command access to SCSI devices. I would greatly appreciate a link to this information.

>Why do you think you need to use HID rather than SCSI?

Because I have found actual HID driver calls--but no guidance about how to use them, except in Visual Basic and C#.

>DaR

Alan Furman

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Received on Wed Oct 21 2009 - 23:13:16 PDT