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(parent: ddf1ceb) | patch
Uses 4-th order low-pass for extracting gravity.
authorMathias Agopian <mathias@google.com>
Fri, 12 Nov 2010 01:58:51 +0000 (17:58 -0800)
committerMathias Agopian <mathias@google.com>
Thu, 28 Jun 2012 00:07:54 +0000 (17:07 -0700)
commit87c9dbb728febe9ce035874796c58f308043879d
tree279105827ef53b465ac4f1ca3ea2b32026846c2ftree | snapshot
parentddf1ceb647d029febfd007b389cd92c84668a03ccommit | 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
services/sensorservice/GravitySensor.cpp diff | blob | history
services/sensorservice/GravitySensor.h diff | blob | history
services/sensorservice/SecondOrderLowPassFilter.cpp diff | blob | history
services/sensorservice/SecondOrderLowPassFilter.h diff | blob | history
frameworks/native
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