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package uk.ac.open.punchingbag;
import java.util.Enumeration;
import java.util.HashSet;
import gnu.io.CommPort;
import gnu.io.CommPortIdentifier;
import gnu.io.SerialPort;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import javax.swing.event.EventListenerList;
import gnu.io.*;
public class Arduino implements Runnable {
InputStream in;
OutputStream out;
private EventListenerList readListenerList = new EventListenerList();
private EventListenerList writeListenerList = new EventListenerList();
public void addSerialWriteListener(SerialWriteListener l) {
writeListenerList.add(SerialWriteListener.class, l);
}
public void addSerialReadListener(SerialReadListener l) {
readListenerList.add(SerialReadListener.class, l);
}
static void listPorts()
{
System.out.println("Listing Comm ports:");
java.util.Enumeration<CommPortIdentifier> portEnum = CommPortIdentifier.getPortIdentifiers();
while ( portEnum.hasMoreElements() )
{
CommPortIdentifier portIdentifier = portEnum.nextElement();
System.out.println(portIdentifier.getName() + " - " + getPortTypeName(portIdentifier.getPortType()) );
}
}
static String getPortTypeName ( int portType )
{
switch ( portType )
{
case CommPortIdentifier.PORT_I2C:
return "I2C";
case CommPortIdentifier.PORT_PARALLEL:
return "Parallel";
case CommPortIdentifier.PORT_RAW:
return "Raw";
case CommPortIdentifier.PORT_RS485:
return "RS485";
case CommPortIdentifier.PORT_SERIAL:
return "Serial";
default:
return "unknown type";
}
}
public String getID() throws IOException {
byte[] idBytes = {0x49, 0x44};
this.write(idBytes);
try {
Thread.sleep(100);
} catch (InterruptedException e) {
e.printStackTrace();
}
int id;
while ((id = this.read()) == -1) {}
if (id == 66) {
return "B";
} else if (id == 76) {
return "L";
} else {
return "ERROR " + id;
}
}
/**
* @return A HashSet containing the CommPortIdentifier for all serial ports that are not currently being used.
*/
public static HashSet<CommPortIdentifier> getAvailableSerialPorts() {
HashSet<CommPortIdentifier> h = new HashSet<CommPortIdentifier>();
Enumeration thePorts = CommPortIdentifier.getPortIdentifiers();
while (thePorts.hasMoreElements()) {
CommPortIdentifier com = (CommPortIdentifier) thePorts.nextElement();
switch (com.getPortType()) {
case CommPortIdentifier.PORT_SERIAL:
try {
CommPort thePort = com.open("CommUtil", 50);
thePort.close();
h.add(com);
//System.out.println("Found a port: " + com.getPortType());
} catch (PortInUseException e) {
System.out.println("Port, " + com.getName() + ", is in use.");
} catch (Exception e) {
System.err.println("Failed to open port " + com.getName());
e.printStackTrace();
}
}
}
return h;
}
void connect ( String portName ) throws Exception
{
CommPortIdentifier portIdentifier = CommPortIdentifier.getPortIdentifier(portName);
if ( portIdentifier.isCurrentlyOwned() )
{
System.out.println("Error: Port is currently in use");
}
else
{
CommPort commPort = portIdentifier.open(this.getClass().getName(),2000);
if ( commPort instanceof SerialPort )
{
SerialPort serialPort = (SerialPort) commPort;
serialPort.setSerialPortParams(9600,SerialPort.DATABITS_8,SerialPort.STOPBITS_1,SerialPort.PARITY_NONE);
in = serialPort.getInputStream();
out = serialPort.getOutputStream();
//(new Thread(this)).start();
}
else
{
System.out.println("Error: Only serial ports are handled by this example.");
}
}
}
/** */
public class SerialReader implements Runnable
{
InputStream in;
public SerialReader ( InputStream in )
{
this.in = in;
}
public void run ()
{
byte[] buffer = new byte[1024];
int len = -1;
try
{
while ( ( len = this.in.read(buffer)) > -1 )
{
System.out.print(new String(buffer,0,len));
input(new String(buffer,0,len));
}
}
catch ( IOException e )
{
e.printStackTrace();
}
}
}
public static void input(String string) {
}
/** */
public class SerialWriter implements Runnable
{
OutputStream out;
public SerialWriter ( OutputStream out )
{
this.out = out;
}
public void run ()
{
try
{
int c = 0;
while ( ( c = System.in.read()) > -1 )
{
this.out.write(c);
}
}
catch ( IOException e )
{
e.printStackTrace();
}
}
}
public void run() {
byte[] buffer = new byte[1024];
int len = -1;
try
{
while ( ( len = this.in.read(buffer)) > -1 )
{
System.out.print(new String(buffer,0,len));
//input(new String(buffer,0,len));
}
}
catch ( IOException e )
{
e.printStackTrace();
}
}
public void write(byte[] bytes) throws IOException {
out.write(bytes);
SerialWriteListener[] sListeners = writeListenerList
.getListeners(SerialWriteListener.class);
for (int i = 0; i < writeListenerList.getListenerCount(); i++) {
sListeners[i].serialWriteEvent(bytes);
}
}
public void write(byte b) throws IOException {
out.write(b);
SerialWriteListener[] sListeners = writeListenerList
.getListeners(SerialWriteListener.class);
for (int i = 0; i < writeListenerList.getListenerCount(); i++) {
sListeners[i].serialWriteEvent(b);
}
}
public int read() throws IOException {
int read = in.read();
SerialReadListener[] sListeners = readListenerList
.getListeners(SerialReadListener.class);
for (int i = 0; i < readListenerList.getListenerCount(); i++) {
sListeners[i].serialReadEvent(read);
}
return read;
}
}
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