| commit | 6038db3dda36198aa8e0599dcb34033da31c85f5 | [log] [tgz] |
|---|---|---|
| author | Mathias Agopian <mathias@google.com> | Thu Nov 11 17:58:51 2010 -0800 |
| committer | Mathias Agopian <mathias@google.com> | Tue Nov 30 14:07:28 2010 -0800 |
| tree | f08f5f190154d1fc64e8ca7433d6e7ceb7a1455f | |
| parent | 24754c9f94b1bd8b176456da82a6059b2e8ded0f [diff] |
Uses 4-th order low-pass for extracting gravity. Most accelerometers have 8-bits accuracy so we beed to reject 48dB in thestop-band, which requires a 4-th order filter at the cut-off frequency we're using. Change-Id: Ic00421d38d751641f86b1f3ad7663e6b44a91198