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/*
* Copyright 2010 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 IR. All methods
* to send and receive IR data are implemented in this class.
* <p>
* The Phidget IR Receiver-Transmitter can send and receive Consumer-IR signals. Ability to learn and re-transmit codes,
* as well as low-level access to raw data, is provided.
*
* @author Phidgets Inc.
*/
public final class IRPhidget extends Phidget
{
public IRPhidget () throws PhidgetException
{
super (create ());
}
private static native long create () throws PhidgetException;
/**
* Represents a long space (greater then 327,670 microseconds) in raw data.
* This can be considered a period of no IR activity. This is used with {@link #readRaw readRaw}
*/
public static final int RAWDATA_LONGSPACE = 0x7fffffff;
/**
* Transmits a code.
* @param code the code to transmit
* @param codeInfo the code specification
* @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 void transmit (IRCode code, IRCodeInfo codeInfo) throws PhidgetException;
/**
* Transmits a repeat. This needs to be called within the gap time of a transmit to be meaningful.
* @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 void transmitRepeat () throws PhidgetException;
/**
* Transmits raw data.
* @param data data in microseconds, must start and end with a pulse
* @param offset offset in the data array to start transmitting
* @param count number of elements of data to transmit
* @param gap gap size in microseconds
* @param carrierFrequency carrier frequency in kHz
* @param dutyCycle duty cycle in percent
* @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 void transmitRaw (int[]data, int offset, int count, int gap, int carrierFrequency, int dutyCycle) throws PhidgetException;
/**
* Transmits raw data.
* @param data data in microseconds, must start and end with a pulse
* @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 final void transmitRaw (int[]data) throws PhidgetException
{
transmitRaw (data, 0, data.length, 0, 0, 0);
}
/**
* Transmits raw data.
* @param data data in microseconds, must start and end with a pulse
* @param gap gap size in microseconds
* @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 final void transmitRaw (int[]data, int gap) throws PhidgetException
{
transmitRaw (data, 0, data.length, gap, 0, 0);
}
/**
* Transmits raw data.
* @param data data in microseconds, must start and end with a pulse
* @param offset offset in the data array to start transmitting
* @param count number of elements of data to transmit
* @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 final void transmitRaw (int[]data, int offset, int count) throws PhidgetException
{
transmitRaw (data, offset, count, 0, 0, 0);
}
/**
* Transmits raw data.
* @param data data in microseconds, must start and end with a pulse
* @param offset offset in the data array to start transmitting
* @param count number of elements of data to transmit
* @param gap gap size in microseconds
* @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 final void transmitRaw (int[]data, int offset, int count, int gap) throws PhidgetException
{
transmitRaw (data, offset, count, gap, 0, 0);
}
/**
* Reads raw data. Use {@link #RAWDATA_LONGSPACE RAWDATA_LONGSPACE} to detect gaps in IR data.
* @param buffer array into which data will be read.
* @param offset offset in data to start writing
* @param count maximum ammount of data to read
* @return ammount of data read
* @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 readRaw (int[]buffer, int offset, int count) throws PhidgetException;
/**
* Reads raw data. Use {@link #RAWDATA_LONGSPACE RAWDATA_LONGSPACE} to detect gaps in IR data.
* @param buffer array into which data will be read.
* @return ammount of data read
* @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 final int readRaw (int[]buffer) throws PhidgetException
{
return readRaw (buffer, 0, buffer.length);
}
/**
* Returns the last received code. This is updated right after the code event returns.
* @return last code
* @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 IRCode getLastCode () throws PhidgetException;
/**
* Returns the last learned code. This is updated right after the learn event returns.
* @return last learned code
* @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 IRLearnedCode getLastLearnedCode () throws PhidgetException;
private final void enableDeviceSpecificEvents (boolean b)
{
enableCodeEvents (b && codeListeners.size () > 0);
enableLearnEvents (b && learnListeners.size () > 0);
enableRawDataEvents (b && rawDataListeners.size () > 0);
}
/**
* Adds a code listener. The code handler is a method that will be called when a new code is
seen by the reader. The event is fired on each code, including repetitions.
* <p>
* There is no limit on the number of code handlers that can be registered for a particular Phidget.
*
* @param l An implemetation of the {@link com.phidgets.event.CodeListener CodeListener} interface
*/
public final void addCodeListener (CodeListener l)
{
synchronized (codeListeners)
{
codeListeners.add (l);
enableCodeEvents (true);
}} private LinkedList codeListeners = new LinkedList ();
private long nativeCodeHandler = 0;
public final void removeCodeListener (CodeListener l)
{
synchronized (codeListeners)
{
codeListeners.remove (l);
enableCodeEvents (codeListeners.size () > 0);
}} private void fireCode (CodeEvent e)
{
synchronized (codeListeners)
{
for (Iterator it = codeListeners.iterator (); it.hasNext ();)
((CodeListener) it.next ()).code (e);
}
}
private native void enableCodeEvents (boolean b);
/**
* Adds a code learn listener. The learn handler is a method that will be called when a new code is
learned by the reader. This requires that the code be repeated several times.
* <p>
* There is no limit on the number of learn handlers that can be registered for a particular Phidget.
*
* @param l An implemetation of the {@link com.phidgets.event.LearnListener LearnListener} interface
*/
public final void addLearnListener (LearnListener l)
{
synchronized (learnListeners)
{
learnListeners.add (l);
enableLearnEvents (true);
}} private LinkedList learnListeners = new LinkedList ();
private long nativeLearnHandler = 0;
public final void removeLearnListener (LearnListener l)
{
synchronized (learnListeners)
{
learnListeners.remove (l);
enableLearnEvents (learnListeners.size () > 0);
}} private void fireLearn (LearnEvent e)
{
synchronized (learnListeners)
{
for (Iterator it = learnListeners.iterator (); it.hasNext ();)
((LearnListener) it.next ()).learn (e);
}
}
private native void enableLearnEvents (boolean b);
/**
* Adds a rawData listener. The rawData handler is a method that will be called when a raw IR data is received.
* <p>
* There is no limit on the number of rawData handlers that can be registered for a particular Phidget.
*
* @param l An implemetation of the {@link com.phidgets.event.RawDataListener RawDataListener} interface
*/
public final void addRawDataListener (RawDataListener l)
{
synchronized (rawDataListeners)
{
rawDataListeners.add (l);
enableRawDataEvents (true);
}} private LinkedList rawDataListeners = new LinkedList ();
private long nativeRawDataHandler = 0;
public final void removeRawDataListener (RawDataListener l)
{
synchronized (rawDataListeners)
{
rawDataListeners.remove (l);
enableRawDataEvents (rawDataListeners.size () > 0);
}} private void fireRawData (RawDataEvent e)
{
synchronized (rawDataListeners)
{
for (Iterator it = rawDataListeners.iterator (); it.hasNext ();)
((RawDataListener) it.next ()).rawData (e);
}
}
private native void enableRawDataEvents (boolean b);
}
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