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Subject: Re: [ltp] Re: IBM HDAPS Someone interested?
From: Lee Revell <rlrevell@joe-job.com>
To: Eric Piel <Eric.Piel@tremplin-utc.net>
Cc: abonilla@linuxwireless.org, "'Vojtech Pavlik'" <vojtech@suse.cz>,
       borislav@users.sourceforge.net, "'Pavel Machek'" <pavel@ucw.cz>,
       "'Yani Ioannou'" <yani.ioannou@gmail.com>,
       linux-thinkpad@linux-thinkpad.org, linux-kernel@vger.kernel.org,
       notlug@paul.sladen.org
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	 <42BB19EB.1060202@tremplin-utc.net>
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Date: Thu, 23 Jun 2005 16:42:46 -0400
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On Thu, 2005-06-23 at 22:22 +0200, Eric Piel wrote:
> 06/23/2005 02:53 PM, Alejandro Bonilla wrote/a écrit:
> Just to add a few more cents, googling around I found that Paul Sladen 
> has already been looking for some info on the chip. Started to RE the 
> windows driver, this kind of info _might_ be useful :
> Windows drivers read in 28-bytes via an IOCTL(0x733fc) on "\ShockMgr" . 
>   (See shockprf.sys)
> 
> http://www.paul.sladen.org/thinkpad-r31/accelerometer.html
> http://www.paul.sladen.org/thinkpad-r31/aps/
> 
> Eric (who is looking forward playing Neverball the Right Way (tm) ;-) )
> 
> 
> PS: I don't know Paul Sladen's address and couldn't find it on his 
> webpage. Hopping this email address will do it anyway.
> 

Yup, it's just doing port IO.  Get a kernel debugger for windows like
softice and this will be trivial to RE.

READ_PORT_USHORT
WRITE_PORT_UCHAR
READ_PORT_UCHAR

Lee