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chore: return source of expected mag strength for mag cal

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bresch
2026-03-30 16:45:53 +02:00
parent 710adefb4c
commit 5d766d14ef
1 changed files with 16 additions and 9 deletions
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src/modules/commander/mag_calibration.cpp
+16 -9
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@@ -227,9 +227,16 @@ static calibrate_return check_calibration_result(float offset_x, float offset_y,
return calibrate_return_ok;
}
static float get_sphere_radius()
enum class SphereRadiusSource { WMM, DEFAULT };
struct SphereRadius {
float value;
SphereRadiusSource source;
};
static SphereRadius get_sphere_radius()
{
// if GPS is available use real field intensity from world magnetic model
// if GNSS is available use real field intensity from the World Magnetic Model (WMM)
uORB::SubscriptionMultiArray<sensor_gps_s, 3> gps_subs{ORB_ID::vehicle_gps_position};
for (auto &gps_sub : gps_subs) {
@@ -237,13 +244,13 @@ static float get_sphere_radius()
if (gps_sub.copy(&gps)) {
if (hrt_elapsed_time(&gps.timestamp) < 100_s && (gps.fix_type >= 2) && (gps.eph < 1000)) {
// magnetic field data returned by the geo library using the current GPS position
return get_mag_strength_gauss(gps.latitude_deg, gps.longitude_deg);
// magnetic field data returned by the geo library using the current GNSS position (WMM)
return {get_mag_strength_gauss(gps.latitude_deg, gps.longitude_deg), SphereRadiusSource::WMM};
}
}
}
return MAG_SPHERE_RADIUS_DEFAULT;
return {MAG_SPHERE_RADIUS_DEFAULT, SphereRadiusSource::DEFAULT};
}
static calibrate_return mag_calibration_worker(detect_orientation_return orientation, void *data)
@@ -253,7 +260,7 @@ static calibrate_return mag_calibration_worker(detect_orientation_return orienta
mag_worker_data_t *worker_data = (mag_worker_data_t *)(data);
float mag_sphere_radius = get_sphere_radius();
const SphereRadius mag_sphere_radius = get_sphere_radius();
// notify user to start rotating
set_tune(tune_control_s::TUNE_ID_SINGLE_BEEP);
@@ -386,7 +393,7 @@ static calibrate_return mag_calibration_worker(detect_orientation_return orienta
worker_data->x[cur_mag], worker_data->y[cur_mag], worker_data->z[cur_mag],
worker_data->calibration_counter_total[cur_mag],
worker_data->calibration_sides * worker_data->calibration_points_perside,
mag_sphere_radius);
mag_sphere_radius.value);
if (!reject) {
new_samples[cur_mag] = Vector3f{mag.x, mag.y, mag.z};
@@ -615,10 +622,10 @@ calibrate_return mag_calibrate_all(orb_advert_t *mavlink_log_pub, int32_t cal_ma
Vector3f offdiag[MAX_MAGS];
float sphere_radius[MAX_MAGS];
const float mag_sphere_radius = get_sphere_radius();
const SphereRadius mag_sphere_radius = get_sphere_radius();
for (size_t cur_mag = 0; cur_mag < MAX_MAGS; cur_mag++) {
sphere_radius[cur_mag] = mag_sphere_radius;
sphere_radius[cur_mag] = mag_sphere_radius.value;
sphere[cur_mag].zero();
diag[cur_mag] = Vector3f{1.f, 1.f, 1.f};
offdiag[cur_mag].zero();