Imported Upstream version 2.1.8.20120216upstream/2.1.8.20120216

1 files changed, 202 insertions, 0 deletions

diff --git a/Java/com/phidgets/BridgePhidget.java b/Java/com/phidgets/BridgePhidget.java
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+++ b/Java/com/phidgets/BridgePhidget.java
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+

+/*

+ * Copyright 2011 Phidgets Inc.  All rights reserved.

+ */

+

+package com.phidgets;

+import java.util.Iterator;

+import java.util.LinkedList;

+import com.phidgets.event.*;

+/**

+ * This class represents a Phidget Bridge. All methods

+ * to manipulate the Phidget Bridge are implemented in this class.

+ * <p>

+ * 

+ * @author Phidgets Inc.

+ */

+public final class BridgePhidget extends Phidget

+{

+	public BridgePhidget () throws PhidgetException

+	{

+		super (create ());

+	}

+	private static native long create () throws PhidgetException;

+	/**

+	 * 1 Gain. This is used with {@link #getGain(int) getGain} and {@link #setGain(int, int) setGain}

+	 */

+	public static final int PHIDGET_BRIDGE_GAIN_1 = 1;

+	/**

+	 * 8 Gain. This is used with {@link #getGain(int) getGain} and {@link #setGain(int, int) setGain}

+	 */

+	public static final int PHIDGET_BRIDGE_GAIN_8 = 2;

+	/**

+	 * 16 Gain. This is used with {@link #getGain(int) getGain} and {@link #setGain(int, int) setGain}

+	 */

+	public static final int PHIDGET_BRIDGE_GAIN_16 = 3;

+	/**

+	 * 32 Gain. This is used with {@link #getGain(int) getGain} and {@link #setGain(int, int) setGain}

+	 */

+	public static final int PHIDGET_BRIDGE_GAIN_32 = 4;

+	/**

+	 * 64 Gain. This is used with {@link #getGain(int) getGain} and {@link #setGain(int, int) setGain}

+	 */

+	public static final int PHIDGET_BRIDGE_GAIN_64 = 5;

+	/**

+	 * 128 Gain. This is used with {@link #getGain(int) getGain} and {@link #setGain(int, int) setGain}

+	 */

+	public static final int PHIDGET_BRIDGE_GAIN_128 = 6;

+	/**

+	 * Unknown Gain. This is used with {@link #getGain(int) getGain} and {@link #setGain(int, int) setGain}

+	 */

+	public static final int PHIDGET_BRIDGE_GAIN_UNKNOWN = 7;

+	/**

+	 * Returns the number of bridges.

+	 * @return Number of bridges

+	 */

+	public native int getInputCount () throws PhidgetException;

+	/**

+	 * Returns the value of the selected input, in mV/V. If the input is not enabled, an EPHIDGET_UNKNOWNVAL exception will be thrown. If the bridge is saturated

+	 *, this will be equal to BridgeMax or BridgeMin and an error event will be fired - in this case, gain should be reduced if possible.

+	 * @param index Index of the bridge

+	 * @return bridge value

+	 * @throws PhidgetException If this Phidget is not opened and attached, or if the index is out of range. 

+	 * See {@link com.phidgets.Phidget#open(int) open} for information on determining if a device is attached.

+	 */

+	public native double getBridgeValue (int index) throws PhidgetException;

+		/**

+	 * Returns the minimum value that the selected bridge can measure, in mV/V. This value will depend on the selected gain. At a gain of 1, BridgeMin == -1000 mV/V.

+	 * @param index Index of the bridge

+	 * @return minimum value 

+	 * @throws PhidgetException If this Phidget is not opened and attached, or if the index is out of range. 

+	 * See {@link com.phidgets.Phidget#open(int) open} for information on determining if a device is attached.

+	 */

+	public native double getBridgeMin (int index) throws PhidgetException;

+	/**

+	 * Returns the maximum value that the selected bridge can measure, in mV/V. This value will depend on the selected gain. At a gain of 1, BridgeMin == 1000 mV/V.

+	 * @param index Index of the bridge

+	 * @return maximum value 

+	 * @throws PhidgetException If this Phidget is not opened and attached, or if the index is out of range. 

+	 * See {@link com.phidgets.Phidget#open(int) open} for information on determining if a device is attached.

+	 */

+	public native double getBridgeMax (int index) throws PhidgetException;

+	/**

+	 * Returns the enabled state of the specified bridge. This applies power between +5v and Ground, and starts measuring the differential on the +/- pins. By default, all bridges are 

+	 * disabled, and need to be explicitly enabled on startup.

+	 * @param index Index of the bridge

+	 * @return state of the specified bridge

+	 * @throws PhidgetException If this Phidget is not opened and attached, or if the index is invalid. 

+	 * See {@link com.phidgets.Phidget#open(int) open} for information on determining if a device is attached.

+	 */

+	public native boolean getEnabled (int index) throws PhidgetException;

+	/**

+	 * Sets the enabled state of the specified bridge. This applies power between +5v and Ground, and starts measuring the differential on the +/- pins. By default, all bridges are 

+	 * disabled, and need to be explicitly enabled on startup.

+	 * @param index Index of the bridge

+	 * @param state new state of the specified bridge

+	 * @throws PhidgetException If this Phidget is not opened and attached, or if the index is invalid. 

+	 * See {@link com.phidgets.Phidget#open(int) open} for information on determining if a device is attached.

+	 */

+	public native void setEnabled (int index, boolean state) throws PhidgetException;

+	/**

+	 * Returns the gain for the selected bridge.  Note that increasing the gains will reduce the measurable

+	 * voltage difference by the gain factor, with +-1000 mV/V being the maximum, with no gain.

+	 * The possible values for gain are {@link #PHIDGET_BRIDGE_GAIN_1 PHIDGET_BRIDGE_GAIN_1},

+	 * {@link #PHIDGET_BRIDGE_GAIN_8 PHIDGET_BRIDGE_GAIN_8}, {@link #PHIDGET_BRIDGE_GAIN_16 PHIDGET_BRIDGE_GAIN_16},

+	 * {@link #PHIDGET_BRIDGE_GAIN_32 PHIDGET_BRIDGE_GAIN_32}, {@link #PHIDGET_BRIDGE_GAIN_64 PHIDGET_BRIDGE_GAIN_64},

+	 * {@link #PHIDGET_BRIDGE_GAIN_128 PHIDGET_BRIDGE_GAIN_128}, {@link #PHIDGET_BRIDGE_GAIN_UNKNOWN PHIDGET_BRIDGE_GAIN_UNKNOWN}

+	 * <p>

+	 * @param index Index of the bridge

+	 * @return gain

+	 * @throws PhidgetException If this Phidget is not opened and attached, or if the index is invalid. 

+	 * See {@link com.phidgets.Phidget#open(int) open} for information on determining if a device is attached.

+	 */

+	public native int getGain (int index) throws PhidgetException;

+	/**

+	 * Sets the gain for the selected bridge.  Note that increasing the gains will reduce the measurable

+	 * voltage difference by the gain factor, with +-1000 mV/V being the maximum, with no gain.

+	 * <p>

+	 * The possible values for gain are {@link #PHIDGET_BRIDGE_GAIN_1 PHIDGET_BRIDGE_GAIN_1},

+	 * {@link #PHIDGET_BRIDGE_GAIN_8 PHIDGET_BRIDGE_GAIN_8}, {@link #PHIDGET_BRIDGE_GAIN_16 PHIDGET_BRIDGE_GAIN_16},

+	 * {@link #PHIDGET_BRIDGE_GAIN_32 PHIDGET_BRIDGE_GAIN_32}, {@link #PHIDGET_BRIDGE_GAIN_64 PHIDGET_BRIDGE_GAIN_64},

+	 * {@link #PHIDGET_BRIDGE_GAIN_128 PHIDGET_BRIDGE_GAIN_128}, {@link #PHIDGET_BRIDGE_GAIN_UNKNOWN PHIDGET_BRIDGE_GAIN_UNKNOWN}

+	 * <p>

+	 * @param index Index of the bridge

+	 * @param gain new gain

+	 * @throws PhidgetException If this Phidget is not opened and attached, or if the index is invalid. 

+	 * See {@link com.phidgets.Phidget#open(int) open} for information on determining if a device is attached.

+	 */

+	public native void setGain (int index, int gain) throws PhidgetException;

+	/**

+	 * Returns the data rate, in ms. Data rate applies to all 4 bridges simultaneously. Setting a slower data rate will reduce

+	 * noise at the cost of sample time. Also note that each bridge is being sampled only 1/4 of the time - this is okay for very stable signals,

+	 * but for changing signals, it is best to set a higher sampling rate and do averaging in the software. 

+	 * <p>

+	 * Data rate must be a multiple of 8ms. Trying to set something between multiplies of 8 will cause an EPHIDGET_INVALIDARG exception.

+	 * <p>

+	 * @return Data Rate

+	 * @throws PhidgetException If this Phidget is not opened and attached, or if the index is invalid. 

+	 * See {@link com.phidgets.Phidget#open(int) open} for information on determining if a device is attached.

+	 */

+	public native int getDataRate () throws PhidgetException;

+	/**

+	 * Sets the data rate, in ms. Data rate applies to all 4 bridges simultaneously. Setting a slower data rate will reduce

+	 * noise at the cost of sample time. Also note that each bridge is being sampled only 1/4 of the time - this is okay for very stable signals,

+	 * but for changing signals, it is best to set a higher sampling rate and do averaging in the software.

+	 * <p>

+	 * Data rate must be a multiple of 8ms. Trying to set something between multiplies of 8 will cause an EPHIDGET_INVALIDARG exception.

+	 * <p>

+	 * @param rate new data rate

+	 * @throws PhidgetException If this Phidget is not opened and attached, or if the data rate is out of range 

+	 * See {@link com.phidgets.Phidget#open(int) open} for information on determining if a device is attached.

+	 */

+	public native void setDataRate (int rate) throws PhidgetException;

+	/**

+	 * Gets the minimum supported data rate, in ms.

+	 * @return minimum supported data rate

+	 * @throws PhidgetException If this Phidget is not opened and attached.

+	 * See {@link com.phidgets.Phidget#open(int) open} for information on determining if a device is attached.

+	 */

+	public native int getDataRateMin () throws PhidgetException;

+	/**

+	 * Gets the maximum supported data rate, in ms.

+	 * @return maximum supported data rate

+	 * @throws PhidgetException If this Phidget is not opened and attached.

+	 * See {@link com.phidgets.Phidget#open(int) open} for information on determining if a device is attached.

+	 */

+	public native int getDataRateMax () throws PhidgetException;

+

+	private final void enableDeviceSpecificEvents (boolean b)

+	{

+		enableBridgeDataEvents (b && bridgeDataListeners.size () > 0);

+	}

+	/**

+	 * Adds a bridge data listener. The bridge data handler is a method that will be called at the specified data rate, for each enabled bridge. Value is the bridgeValue, in mV/V.

+	 * <p>

+	 * There is no limit on the number of bridge data handlers that can be registered for a particular Phidget.

+	 * 

+	 * @param l An implemetation of the {@link com.phidgets.event.BridgeDataListener BridgeDataListener} interface

+	 */

+	public final void addBridgeDataListener (BridgeDataListener l)

+	{

+		synchronized (bridgeDataListeners)

+		{

+			bridgeDataListeners.add (l);

+			enableBridgeDataEvents (true);

+	}} private LinkedList bridgeDataListeners = new LinkedList ();

+	private long nativeBridgeDataHandler = 0;

+	public final void removeBridgeDataListener (BridgeDataListener l)

+	{

+		synchronized (bridgeDataListeners)

+		{

+			bridgeDataListeners.remove (l);

+			enableBridgeDataEvents (bridgeDataListeners.size () > 0);

+	}} private void fireBridgeData (BridgeDataEvent e)

+	{

+		synchronized (bridgeDataListeners)

+		{

+			for (Iterator it = bridgeDataListeners.iterator (); it.hasNext ();)

+				((BridgeDataListener) it.next ()).bridgeData (e);

+		}

+	}

+	private native void enableBridgeDataEvents (boolean b);

+}