SpatialPhidget.java

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/*
 * Copyright 2006 Phidgets Inc.  All rights reserved.
 */

package com.phidgets;
import java.util.Iterator;
import java.util.LinkedList;
import com.phidgets.event.*;
public final class SpatialPhidget extends Phidget
{
        public SpatialPhidget () throws PhidgetException
        {
                super (create ());
        }
        private static native long create () throws PhidgetException;

        public native int getAccelerationAxisCount () throws PhidgetException;
        public native double getAcceleration (int index) throws PhidgetException;
        public native double getAccelerationMax (int index) throws PhidgetException;
        public native double getAccelerationMin (int index) throws PhidgetException;

        public native int getGyroAxisCount () throws PhidgetException;
        public native double getAngularRate (int index) throws PhidgetException;
        public native double getAngularRateMax (int index) throws PhidgetException;
        public native double getAngularRateMin (int index) throws PhidgetException;

        public native int getCompassAxisCount () throws PhidgetException;
        public native double getMagneticField (int index) throws PhidgetException;
        public native double getMagneticFieldMax (int index) throws PhidgetException;
        public native double getMagneticFieldMin (int index) throws PhidgetException;

        public native int getDataRate () throws PhidgetException;
        public native void setDataRate (int rate) throws PhidgetException;
        public native int getDataRateMin () throws PhidgetException;
        public native int getDataRateMax () throws PhidgetException;

        public native void zeroGyro () throws PhidgetException;
        public native void setCompassCorrectionParameters (double magField, double offset0, double offset1, double offset2, double gain0, double gain1, double gain2, double T0, double T1, double T2,
                                                           double T3, double T4, double T5) throws PhidgetException;
        public native void resetCompassCorrectionParameters () throws PhidgetException;

        private final void enableDeviceSpecificEvents (boolean b)
        {
                enableSpatialDataEvents (b && spatialDataListeners.size () > 0);
        }
        public final void addSpatialDataListener (SpatialDataListener l)
        {
                synchronized (spatialDataListeners)
                {
                        spatialDataListeners.add (l);
                        enableSpatialDataEvents (true);
        }} private LinkedList spatialDataListeners = new LinkedList ();
        private long nativeSpatialDataHandler = 0;
        public final void removeSpatialDataListener (SpatialDataListener l)
        {
                synchronized (spatialDataListeners)
                {
                        spatialDataListeners.remove (l);
                        enableSpatialDataEvents (spatialDataListeners.size () > 0);
        }} private void fireSpatialData (SpatialDataEvent e)
        {
                synchronized (spatialDataListeners)
                {
                        for (Iterator it = spatialDataListeners.iterator (); it.hasNext ();)
                                ((SpatialDataListener) it.next ()).data (e);
                }
        }
        private native void enableSpatialDataEvents (boolean b);
}