HDAPS

HDAPS - IBM Active Protection System Linux Driver

This is the Linux driver for the IBM Active Protection System.

Features

• prints accelerometer values
• uses userspace tool to park HD

Project Homepage / Availability

• Project Homepage
• The driver is included in the 2.6-mm series of kernels since August, 26th 2005.
• The driver is now in the mainline (2.6.14rc1).

Status

A driver is included in recent Linux kernel and is actively maintained. However, presently the driver only enables reading of the acceleration data; it does not peform automatic disk head parking. The latter feature is under development.

Interesting links related to this project

• HDAPS mailinglist and its archive
• #hdaps channel on irc.freenode.org
• IBM ThinkPads hardware drive firmware site
• http://primates.ximian.com/~rml/tilt/hdaps-gl-0.0.5.tar.gz a very "simple" example (please dont get me wrong... its just great) that shows how to use hdaps in your own programs, its written in c with use of open-gl. it shows how to get the moving-values from the position-change of your thinkpad and shows how to use this values to animate a 3d-thinkpad
• hdaps projects overview of userspace programs using hdaps
• http://www.paul.sladen.org/thinkpad-r31/accelerometer.html http://www.paul.sladen.org/thinkpad-r31/accelerometer/