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Update SDP3x Airspeed Correction (#8242)

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Update the model for the standard configuration based on the model from Sensirion and add also an option to do the tube pressure loss correction from Sensirion for other configurations.
This commit is contained in:
Florian Achermann
2017-11-22 22:03:26 -05:00
committed by Daniel Agar
parent 85a7a0a86a
commit a5cc4bcd08
8 changed files with 163 additions and 68 deletions
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src/modules/sensors/sensors.cpp
+2 -2
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@@ -345,8 +345,8 @@ Sensors::diff_pres_poll(struct sensor_combined_s &raw)
/* don't risk to feed negative airspeed into the system */
_airspeed.indicated_airspeed_m_s = math::max(0.0f,
calc_indicated_airspeed_corrected((enum AIRSPEED_PITOT_MODEL)_parameters.air_pmodel,
smodel, _parameters.air_tube_length,
calc_indicated_airspeed_corrected((enum AIRSPEED_COMPENSATION_MODEL)_parameters.air_cmodel,
smodel, _parameters.air_tube_length, _parameters.air_tube_diameter_mm,
_diff_pres.differential_pressure_filtered_pa, _voted_sensors_update.baro_pressure(),
air_temperature_celsius));