support the SensorDirectChannel
RATE_VERY_FAST
.
MUST have a measurement noise not above 0.014°/s/√Hz.
[C-SR] Is STRONGLY RECOMMENDED to have 3dB measurement bandwidth of
at least 80% of Nyquist frequency, and white noise spectrum within this
bandwidth.
SHOULD have a rate random walk less than 0.001 °/s √Hz tested at room
temperature.
SHOULD have a bias change vs. temperature of ≤ +/- 0.05 °/ s / °C.
SHOULD have a sensitivity change vs. temperature of ≤ 0.02% / °C.
SHOULD have a best-fit line non-linearity of ≤ 0.2%.
SHOULD have a noise density of ≤ 0.007 °/s/√Hz.
SHOULD have calibration error less than 0.002 rad/s in temperature range 10
~ 40 ℃ when device is stationary.
SHOULD have g-sensitivity less than 0.1°/s/g.
SHOULD have cross-axis sensitivity of < 4.0 % and cross-axis sensitivity
variation < 0.3% in device operation temperature range.
[C-2-4] MUST have a
TYPE_GYROSCOPE_UNCALIBRATED
with the same quality
requirements as
TYPE_GYROSCOPE
.
[C-2-5] MUST have a
TYPE_GEOMAGNETIC_FIELD
sensor which:
MUST have a measurement range between at least -900 and +900 μT.
MUST have a measurement resolution of at least 5 LSB/uT.
MUST have a minimum measurement frequency of 5 Hz or lower.
MUST have a maximum measurement frequency of 50 Hz or higher.
MUST have a measurement noise not above 0.5 uT.
[C-2-6] MUST have a
TYPE_MAGNETIC_FIELD_UNCALIBRATED
with the same quality
requirements as
TYPE_GEOMAGNETIC_FIELD
and in addition:
MUST implement a non-wake-up form of this sensor with a buffering capability
of at least 600 sensor events.
[C-SR] Is STRONGLY RECOMMENDED to have white noise spectrum from 1 Hz
to at least 10 Hz when the report rate is 50 Hz or higher.
[C-2-7] MUST have a
TYPE_PRESSURE
sensor which:
MUST have a measurement range between at least 300 and 1100 hPa.
MUST have a measurement resolution of at least 80 LSB/hPa.
MUST have a minimum measurement frequency of 1 Hz or lower.
MUST have a maximum measurement frequency of 10 Hz or higher.
MUST have a measurement noise not above 2 Pa/√Hz.
MUST implement a non-wake-up form of this sensor with a buffering capability
of at least 300 sensor events.
MUST have a batching power consumption not worse than 2 mW.
[C-2-8] MUST have a
TYPE_GAME_ROTATION_VECTOR
sensor which:
MUST implement a non-wake-up form of this sensor with a buffering capability
of at least 300 sensor events.
MUST have a batching power consumption not worse than 4 mW.
[C-2-9] MUST have a
TYPE_SIGNIFICANT_MOTION
sensor which:
MUST have a power consumption not worse than 0.5 mW when device is static
and 1.5 mW when device is moving.
[C-2-10] MUST have a
TYPE_STEP_DETECTOR
sensor which:
MUST implement a non-wake-up form of this sensor with a buffering capability
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