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'touchpads (OT)'
1998\01\31@202700 by Dave Brobst

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Does anybody have information regarding the interface of touchpads. . . or
pointers to where such information may reside?

I am looking for information concerning both the physical sensing of the
touchpad itself as well as the interface between the touchpad and the
computer (is it really just the MS Mouse communication protocol?).

Thanks for the help,


David Brobst
Solutions Cubed
3029 Esplanade, Suite F
Chico, CA 95973
Phone:  (916)891-8045
Fax:    (916)891-1643

1998\01\31@232911 by Michael S. Hagberg

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microchip has a sample mouse program on the web site, this is half of your
program.

michael


-----Original Message-----
From: Dave Brobst <spam_OUTdaveTakeThisOuTspamSOLUTIONS-CUBED.COM>
To: .....PICLISTKILLspamspam@spam@MITVMA.MIT.EDU <PICLISTspamKILLspamMITVMA.MIT.EDU>
Date: Saturday, January 31, 1998 7:27 PM
Subject: touchpads (OT)


{Quote hidden}


'touchpads (OT)'
1998\02\01@110427 by Daniel Dourneau
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At 05:25 01/02/98 -0800, you wrote:
>Does anybody have information regarding the interface of touchpads. . . or
>pointers to where such information may reside?

Please could you be more precise. Do you mean the touch panel type or the
type found on some notebooks (instead of the track point).

>I am looking for information concerning both the physical sensing of the
>touchpad itself as well as the interface between the touchpad and the
>computer (is it really just the MS Mouse communication protocol?).

If it is the type found on notebooks, it is usually a standard PS2 mouse
interface software.
Daniel Dourneau

1998\02\03@172508 by Andrew Errington

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    >Does anybody have information regarding the interface of touchpads. .
    . or
    >pointers to where such information may reside?
    >
    >I am looking for information concerning both the physical sensing of
    the
    >touchpad itself as well as the interface between the touchpad and the
    >computer (is it really just the MS Mouse communication protocol?).

    Well, it's funny you should ask...

    I now work for Synaptics, Inc., in San Jose, who make TouchPads.  If
    you have the Touche product then it is one of ours, and in fact it has
    a PIC in it.

    The information you need can be found on our website at

    http://www.synaptics.com

    under 'Drivers and Utilities'.

    Our TouchPad is available in PS/2 and serial versions, and can be
    plugged in just like a mouse.  It will send Microsoft mouse packets in
    response to finger motion and no special driver is needed.  However it
    can be made to behave in a more versatile way with our driver, and you
    can access absolute X and Y position information, as well as Z, an
    indication of finger pressure, through our API.  You will find API
    specifications as well as PS/2 and serial interface specifications on
    our web page.

    Hope this helps,

    Andy #2
    --
    Andrew Errington
    Software Engineer
    Synaptics, Inc.

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