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sensor: add slope threshold and duration attributes

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The slope threshold and duration attributes can be used to
configure the any-motion (slope) interrupt for sensors that
support it.

Change-Id: Ib09ef276cfd3dda5c94bce13bcf4c6c5436c1e4c
Signed-off-by: Bogdan Davidoaia <bogdan.m.davidoaia@intel.com>
This commit is contained in:
Bogdan Davidoaia 2016-02-29 16:20:30 +02:00 • committed by Gerrit Code Review
commit cde203a395
1 changed files with 11 additions and 1 deletions
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12
include/sensor.h
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@ -127,7 +127,10 @@ enum sensor_trigger_type {
/**
* Trigger fires when the selected channel varies significantly.
* This includes any-motion detection when the channel is
* acceleration of gyro.
* acceleration of gyro. If detection is based on slope between
* successive channel readings, the slope threshold is configured
* via the @ref SENSOR_ATTR_SLOPE_TH and @ref SENSOR_ATTR_SLOPE_DUR
* attributes.
*/
SENSOR_TRIG_DELTA,
/** Trigger fires when a near/far event is detected. */
@ -164,6 +167,13 @@ enum sensor_attribute {
SENSOR_ATTR_LOWER_THRESH,
/** Upper threshold for trigger. */
SENSOR_ATTR_UPPER_THRESH,
/** Threshold for any-motion (slope) trigger. */
SENSOR_ATTR_SLOPE_TH,
/**
* Duration for which the slope values needs to be
* outside the threshold for the trigger to fire.
*/
SENSOR_ATTR_SLOPE_DUR,
/** Oversampling factor */
SENSOR_ATTR_OVERSAMPLING,
};