Re: [ltp] Re: IBM HDAPS Someone interested?

Lee Revell
2005-06-23T20:43:29Z

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