Gwendal Grignou 828b55a735 common: Add magnetometer online calibration. ...

Code for hard iron calibration: Every seconds (or faster if enough
samples), find a sphere that fit the compass data.

Based on Android code.

BRANCH=smaug
BUG=chrome-os-partner:39900
TEST=Check hard-iron bias is removed. Works better outside.

Change-Id: Iab479d5113b6560b4f01b0fd87373d2eecdb9b54
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/299583
Reviewed-by: Anton Staaf <robotboy@chromium.org>

2015-10-13 05:28:54 -07:00

..

math.h

common: Add magnetometer online calibration.

2015-10-13 05:28:54 -07:00

mpu.h

Protect inactive EC image from code execution

2013-12-17 01:32:24 +00:00