[ltp] IBM HDAPS Someone interested? (Userspace accelerometer
viewer)
Alan Cox
linux-thinkpad@linux-thinkpad.org
Mon, 11 Jul 2005 15:26:57 +0100
On Llu, 2005-07-11 at 10:42, Paul Sladen wrote:
> theta = (N - 512) * 0.5
>
> provides a surprisingly good approximation for pitch/roll values in degrees
> in the range (-90..+90) so I think the sensor can do ~= +/-2.5G .
>
> http://www.paul.sladen.org/thinkpad-r31/aps/accelerometer-screenshot.png (9kB)
Is the quality good enough to use it DEC itsy style as an input device
for games like Marble madness ?