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drivers: sensor: add hysteresis attribute

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Add sensor API hysteresis attribute. This attribute allows for
configuring trigger threshold hysteresis values.

Signed-off-by: Henrik Brix Andersen <hebad@vestas.com>
This commit is contained in:
Henrik Brix Andersen 2021-08-01 23:12:35 +02:00 • committed by Christopher Friedt
commit 13696f709e
1 changed files with 4 additions and 2 deletions
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6
include/drivers/sensor.h
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@ -225,8 +225,8 @@ enum sensor_trigger_type {
/**
* Trigger fires when channel reading transitions configured
* thresholds. The thresholds are configured via the @ref
* SENSOR_ATTR_LOWER_THRESH and @ref SENSOR_ATTR_UPPER_THRESH
* attributes.
* SENSOR_ATTR_LOWER_THRESH, @ref SENSOR_ATTR_UPPER_THRESH, and
* @ref SENSOR_ATTR_HYSTERESIS attributes.
*/
SENSOR_TRIG_THRESHOLD,
@ -286,6 +286,8 @@ enum sensor_attribute {
* outside the threshold for the trigger to fire.
*/
SENSOR_ATTR_SLOPE_DUR,
/* Hysteresis for trigger thresholds. */
SENSOR_ATTR_HYSTERESIS,
/** Oversampling factor */
SENSOR_ATTR_OVERSAMPLING,
/** Sensor range, in SI units. */