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(parent: 24754c9) | 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>
Tue, 30 Nov 2010 22:07:28 +0000 (14:07 -0800)
commit6038db3dda36198aa8e0599dcb34033da31c85f5
treef08f5f190154d1fc64e8ca7433d6e7ceb7a1455ftree | snapshot
parent24754c9f94b1bd8b176456da82a6059b2e8ded0fcommit | 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/base
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