| commit | 87c9dbb728febe9ce035874796c58f308043879d | [log] [tgz] |
|---|---|---|
| author | Mathias Agopian <mathias@google.com> | Thu Nov 11 17:58:51 2010 -0800 |
| committer | Mathias Agopian <mathias@google.com> | Wed Jun 27 17:07:54 2012 -0700 |
| tree | 279105827ef53b465ac4f1ca3ea2b32026846c2f | |
| parent | ddf1ceb647d029febfd007b389cd92c84668a03c [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