42 lines
1.1 KiB
C++
42 lines
1.1 KiB
C++
#include <cmath>
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#include <sstream>
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#include <gtest/gtest.h>
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#include <wrmath/geom/vector.h>
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#include <wrmath/geom/quaternion.h>
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#include <wrmath/math.h>
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#include <wrmath/filter/madgwick.h>
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using namespace std;
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using namespace wr;
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TEST(MadgwickFilter, SimpleAngularOrientation)
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{
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filter::Madgwickd mf;
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geom::Vector3d gyro {0.174533, 0.0, 0.0}; // 10° X rotation.
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geom::Quaterniond frame20Deg {0.984808, 0.173648, 0, 0}; // 20° final orientation.
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double delta = 0.00917; // assume 109 updates per second, as per the paper.
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double twentyDegrees = math::DegreesToRadiansD(20.0);
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// The paper specifies a minimum of 109 IMU readings to stabilize; for
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// two seconds, that means 218 updates.
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for (int i = 0; i < 218; i++) {
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mf.updateAngularOrientation(gyro, delta);
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}
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EXPECT_EQ(mf.orientation(), frame20Deg);
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auto euler = mf.euler();
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EXPECT_NEAR(euler[0], twentyDegrees, 0.01);
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EXPECT_NEAR(euler[1], 0.0, 0.01);
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EXPECT_NEAR(euler[2], 0.0, 0.01);
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}
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int
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main(int argc, char **argv)
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{
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::testing::InitGoogleTest(&argc, argv);
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return RUN_ALL_TESTS();
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}
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