PX4-Autopilot/src/modules/ekf2/test/test_EKF_grounded.cpp

99 lines
3.3 KiB
C++

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/**
* Test EKF altitude estimation while grounded and using Rangefinder as primary alt source
*/
#include <gtest/gtest.h>
#include "EKF/ekf.h"
#include "sensor_simulator/sensor_simulator.h"
#include "sensor_simulator/ekf_wrapper.h"
#include "test_helper/reset_logging_checker.h"
class EkfGroundedTest : public ::testing::Test
{
public:
EkfGroundedTest(): ::testing::Test(),
_ekf{std::make_shared<Ekf>()},
_sensor_simulator(_ekf),
_ekf_wrapper(_ekf) {};
std::shared_ptr<Ekf> _ekf;
SensorSimulator _sensor_simulator;
EkfWrapper _ekf_wrapper;
void SetUp() override
{
// Init EKF
_ekf->init(0);
_sensor_simulator.runSeconds(0.1);
_ekf->set_in_air_status(false);
_ekf->set_vehicle_at_rest(true);
_sensor_simulator._rng.setData(0.1f, 100);
_sensor_simulator._rng.setLimits(0.1f, 25.f);
_sensor_simulator.startGps();
_sensor_simulator.startBaro();
_sensor_simulator.startRangeFinder();
// Set Range as primary height source
_ekf_wrapper.setRangeHeightRef();
// Enable fusion for all height sources
_ekf_wrapper.enableBaroHeightFusion();
_ekf_wrapper.enableGpsHeightFusion();
_ekf_wrapper.enableRangeHeightFusion();
// Give EKF time for GPS
_sensor_simulator.runSeconds(20);
}
};
TEST_F(EkfGroundedTest, rangeFinderOnGround)
{
EXPECT_TRUE(_ekf->getHeightSensorRef() == HeightSensor::RANGE);
EXPECT_TRUE(_ekf_wrapper.isIntendingBaroHeightFusion());
EXPECT_TRUE(_ekf_wrapper.isIntendingRangeHeightFusion());
EXPECT_TRUE(_ekf_wrapper.isIntendingGpsHeightFusion());
float distance = 0.17f;
_sensor_simulator._rng.setData(distance, 100);
_sensor_simulator.runSeconds(60);
EXPECT_NEAR(_ekf->getLatLonAlt().altitude(), 0, 0.5f);
}