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@@ -1,211 +0,0 @@
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-/*
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-Copyright (c) 2013 Daniele Bartolini, Michele Rossi
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-Copyright (c) 2012 Daniele Bartolini, Simone Boscaratto
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-
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-Permission is hereby granted, free of charge, to any person
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-obtaining a copy of this software and associated documentation
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-files (the "Software"), to deal in the Software without
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-restriction, including without limitation the rights to use,
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-copy, modify, merge, publish, distribute, sublicense, and/or sell
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-copies of the Software, and to permit persons to whom the
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-Software is furnished to do so, subject to the following
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-conditions:
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-
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-The above copyright notice and this permission notice shall be
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-included in all copies or substantial portions of the Software.
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-
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-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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-OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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-NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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-HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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-WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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-FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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-OTHER DEALINGS IN THE SOFTWARE.
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-*/
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-
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-package crown.android;
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-
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-import java.util.List;
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-import java.lang.Math;
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-
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-import android.content.Context;
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-import android.util.Log;
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-import android.hardware.Sensor;
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-import android.hardware.SensorEvent;
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-import android.hardware.SensorEventListener;
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-import android.hardware.SensorManager;
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-
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-import crown.android.CrownEnum;
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-
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-
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-/**
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-* CrownSensor manage sensors for Android Devices.
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-*/
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-public class CrownSensor
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-{
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- private final float MIN_VALUE = -1.0f;
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- private final float MAX_VALUE = 1.0f;
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- private final static float RAD2DEG = (float) (180.0f / Math.PI);
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-
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- private SensorManager sensorManager;
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- private Sensor mAccelerometerSensor;
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- private Sensor mCompassSensor;
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- private SensorEventListener mAccelerometerEventListener;
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- private SensorEventListener mCompassEventListener;
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- private boolean isAccelerometerAvailable;
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- private boolean isCompassAvailable;
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-
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- private float[] mRotationMatrix;
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- private float[] mGravity;
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- private float[] mLastGravity;
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- private float[] mBufferedAccelGData;
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- private float[] mGeoMagn;
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- private float[] mBufferedMagnetData;
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- private float[] mOrientation;
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-
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- private float[] mRotAngle;
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-
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-
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-//-----------------------------------------------------------------------------------
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- public CrownSensor(Context context)
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- {
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- mRotationMatrix = new float[16];
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- mGravity = new float[3];
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- mLastGravity = new float[3];
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- mGeoMagn = new float[3];
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- mOrientation = new float[3];
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- mRotAngle = new float[3];
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-
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- isAccelerometerAvailable = context.getPackageManager().hasSystemFeature("android.hardware.sensor.accelerometer");
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- isCompassAvailable = context.getPackageManager().hasSystemFeature("android.hardware.sensor.compass");
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-
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- if (hasAccelerometerSupport())
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- {
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- mAccelerometerEventListener = new SensorEventListener()
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- {
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- public void onAccuracyChanged(Sensor sensor, int accuracy)
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- {
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- }
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-
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- public void onSensorChanged(SensorEvent event)
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- {
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- mGravity[0] = (mGravity[0] * 2 + event.values[0]) * 0.33334f * RAD2DEG;
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- mGravity[1] = (mGravity[1] * 2 + event.values[1]) * 0.33334f * RAD2DEG;
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- mGravity[2] = (mGravity[2] * 2 + event.values[2]) * 0.33334f * RAD2DEG;
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-
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- norm();
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-
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- CrownLib.pushFloatEvent(CrownEnum.OSET_ACCELEROMETER, mGravity[0], mGravity[1], mGravity[2], 0.0f);
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- }
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- };
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- }
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-
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- if (hasCompassSupport())
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- {
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- mCompassEventListener = new SensorEventListener()
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- {
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- public void onAccuracyChanged(Sensor sensor, int accuracy)
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- {
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- }
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-
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- public void onSensorChanged(SensorEvent event)
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- {
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- mGeoMagn[0] = (mGeoMagn[0] + event.values[0]) * 0.5f;
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- mGeoMagn[1] = (mGeoMagn[1] + event.values[1]) * 0.5f;
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- mGeoMagn[2] = (mGeoMagn[2] + event.values[2]) * 0.5f;
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-
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- // CrownLib.pushFloatEvent(CrownEnum.OSET_ACCELEROMETER, mGeoMagn[0], mGeoMagn[1], mGeoMagn[2], 0.0f);
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- }
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- };
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- }
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- }
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-
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-//-----------------------------------------------------------------------------------
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- public boolean startListening(Context context)
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- {
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- sensorManager = (SensorManager)context.getSystemService(Context.SENSOR_SERVICE);
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-
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- mAccelerometerSensor = sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
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- mCompassSensor = sensorManager.getDefaultSensor(Sensor.TYPE_MAGNETIC_FIELD);
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-
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- sensorManager.registerListener(mAccelerometerEventListener, mAccelerometerSensor, SensorManager.SENSOR_DELAY_GAME);
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- sensorManager.registerListener(mCompassEventListener, mCompassSensor, SensorManager.SENSOR_DELAY_GAME);
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-
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- return true;
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- }
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-
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-//-----------------------------------------------------------------------------------
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- public void stopListening()
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- {
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- sensorManager.unregisterListener(mAccelerometerEventListener);
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- sensorManager.unregisterListener(mCompassEventListener);
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- }
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-
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-//-----------------------------------------------------------------------------------
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- public boolean hasAccelerometerSupport()
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- {
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- return isAccelerometerAvailable;
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- }
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-
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-//-----------------------------------------------------------------------------------
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- public boolean hasCompassSupport()
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- {
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- return isCompassAvailable;
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- }
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-
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- //-----------------------------------------------------------------------------------
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-// private void lowPassFiltering(float x, float y, float z)
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-// {
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-// float updateFreq = 30; // match this to your update speed
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-// float cutOffFreq = 0.9f;
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-// float timeRC = 1.0f / cutOffFreq;
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-// float dt = 1.0f / updateFreq;
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-// float filterConstant = timeRC / (dt + timeRC);
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-// float alpha = filterConstant;
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-// float kAccelerometerMinStep = 0.033f;
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-// float kAccelerometerNoiseAttenuation = 3.0f;
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-
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-// float d = clamp((Math.abs(norm(mGravity[0], mGravity[1], mGravity[2]) - norm(x, y, z)) / kAccelerometerMinStep - 1.0f), MIN_VALUE, MAX_VALUE);
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-// alpha = d * filterConstant / kAccelerometerNoiseAttenuation + (1.0f - d) * filterConstant;
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-
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-// mGravity[0] = (float) (alpha * (mGravity[0] + x - mLastGravity[0]));
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-// mGravity[1] = (float) (alpha * (mGravity[1] + y - mLastGravity[1]));
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-// mGravity[2] = (float) (alpha * (mGravity[2] + z - mLastGravity[2]));
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-
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-// mLastGravity[0] = mGravity[0];
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-// mLastGravity[1] = mGravity[1];
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-// mLastGravity[2] = mGravity[2];
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-// }
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-
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-//-----------------------------------------------------------------------------------
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- private float clamp(float v, float min, float max)
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- {
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- if (v < min)
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- {
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- v = min;
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- }
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- else if (v > max)
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- {
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- v = max;
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- }
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-
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- return v;
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- }
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-
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-//-----------------------------------------------------------------------------------
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- private void norm()
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- {
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- float v = mGravity[0] * mGravity[0] + mGravity[1] * mGravity[1] + mGravity[2] * mGravity[2];
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- float magnitude = (float)Math.sqrt(v);
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- float invMagnitude = 1 / magnitude;
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-
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- mGravity[0] *= invMagnitude;
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- mGravity[1] *= invMagnitude;
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- mGravity[2] *= invMagnitude;
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-
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- mGravity[0] = clamp(mGravity[0], MIN_VALUE, MAX_VALUE);
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- mGravity[1] = clamp(mGravity[1], MIN_VALUE, MAX_VALUE);
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- mGravity[2] = clamp(mGravity[2], MIN_VALUE, MAX_VALUE);
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- }
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-}
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