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Add mag bias estimator to CAN GPS units with IMUs

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- run `sensors` hub to process sensor_mag and publish vehicle_magnetometer
 - update uavcannode to use vehicle_magnetometer
This commit is contained in:
alexklimaj
2022-06-19 15:46:36 -04:00
committed by Daniel Agar
parent 73f45fee6e
commit 4cc3e78558
12 changed files with 87 additions and 12 deletions
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src/modules/sensors/sensor_params_mag.c
+1 -1
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@@ -116,4 +116,4 @@ PARAM_DEFINE_INT32(SENS_MAG_MODE, 1);
* @category system
* @group Sensors
*/
PARAM_DEFINE_INT32(SENS_MAG_AUTOCAL, 0);
PARAM_DEFINE_INT32(SENS_MAG_AUTOCAL, 1);
src/modules/sensors/vehicle_magnetometer/VehicleMagnetometer.cpp
+9
View File
@@ -205,6 +205,8 @@ void VehicleMagnetometer::UpdateMagBiasEstimate()
if (_param_sens_mag_autocal.get() && !_armed && mag_bias_est.stable[mag_index]
&& (_calibration[mag_index].device_id() != 0) && !_calibration[mag_index].calibrated()) {
const Vector3f old_offset = _calibration[mag_index].offset();
// set initial mag calibration
const Vector3f offset = _calibration[mag_index].BiasCorrectedSensorOffset(_calibration_estimator_bias[mag_index]);
@@ -212,6 +214,13 @@ void VehicleMagnetometer::UpdateMagBiasEstimate()
// save parameters with preferred calibration slot to current sensor index
_calibration[mag_index].ParametersSave(mag_index);
PX4_INFO("mag %d (%" PRIu32 ") setting offsets [%.3f, %.3f, %.3f]->[%.3f, %.3f, %.3f]",
mag_index, _calibration[mag_index].device_id(),
(double)old_offset(0), (double)old_offset(1), (double)old_offset(2),
(double)_calibration[mag_index].offset()(0),
(double)_calibration[mag_index].offset()(1),
(double)_calibration[mag_index].offset()(2));
_calibration_estimator_bias[mag_index].zero();
parameters_notify = true;