touch_ret_t touch_qm_sensor_get_delta(sensor_id_t sensor_id,
touch_delta_t *p_delta)
Arguments |
Type |
Comment |
---|---|---|
sensor_id |
sensor_id_t |
Sensor ID for which the delta needs to be retrieved. |
p_delta |
touch_delta_t* |
Pointer to Delta variable, that will be update by the Touch Library |
This API retrieves the delta information associated with a specific QMatrix sensor. Delta is the difference between the current signal value and reference value.
The user must provide the sensor ID whose delta is sought along with a valid pointer to a Delta variable.
The API updates the delta variable associated with the requested sensor.