From: /m 


http://www.kernelthread.com/software/ams2hid/ams2hid.html

http://www.kernelthread.com/software/ams/ams.html

  /m



On Mon, 31 Jul 2006 07:50:58 -0400, "John Beamish"
 wrote:

>It's a lyric from a 60's? 70's? pop tune.
>
>Here's the note on BoingBoing:
>
>Linux Thinkpads can be controlled by knocking on them.
>
>There's a utility for Thinkpads running GNU/Linux that lets you execute
>commands by physically knocking on the machine. This registers as activity
>on the accelerometer built into the laptop (used to park the hard-drive
>heads in the even of a fall) and is translated into commands within the OS.
>
>
>This is the quote they pulled from the IBM site reporting it:
>
>For the first time, you can hit your computer and get a meaningful
>response! Using Linux and the Hard Drive Active Protection System (HDAPS)
>kernel drivers, you can access the embedded accelerometers on Lenovo
>(formerly IBM) ThinkPads, then process the accelerometer data to read
>specific sequences of "knocking" events -- literally rapping
on the laptop
>case with your knuckles -- and run commands based on those knocks. Double
>tap to lock the screen, and knock in your secret code to unlock. Tap the
>display lid once to move your mp3 player to the next track. The
>possibilities are endless.
>
>And here's the link to the site
>
>http://www-128.ibm.com/developerworks/linux/library/l-knockage.html?ca=dgr-lnx
w01Knock-Knock

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