private void initialize() {
// ==========================================
/*
* get System porperties:
*/
String operatingSystem = null;
Properties p = System.getProperties();
Enumeration e = p.elements();
while (e.hasMoreElements()) {
operatingSystem = e.nextElement().toString();
// System.out.println(operatingSystem);
if (operatingSystem.equals("Linux")) {
logger.debug("found " + operatingSystem + " Operating System");
comPort = "/dev/ttyS0";
break;
}
if (operatingSystem.equals("Windows XP")) {
logger.debug("found " + operatingSystem + " Operating System");
comPort = "COM1";
break;
}
// if(operatingSystem.equals("Linux") || operatingSystem.equals("Windows")) {
// logger.debug("found "+operatingSystem+" Operating System");
// break;
// }
}
// ===============end===========================
Enumeration pList = CommPortIdentifier.getPortIdentifiers();
// logger.debug("(Khepera) initializeeeee()...");
while (pList.hasMoreElements()) {
CommPortIdentifier cpi = (CommPortIdentifier) pList.nextElement();
if (cpi.getName().equals(comPort)) {
try {
com = null;
com = (SerialPort) cpi.open("KHEPERA_" + comPort, 1000);
try {
// ========================================
/* under Linux this block is crucial to setSerialPortParams()
* - i have no idea why...
*/
String s =
"default settings: "
+ com.getBaudRate()
+ " "
+ com.getDataBits()
+ " "
+ com.getParity()
+ " "
+ com.getStopBits();
System.out.println(s);
// ===============end=========================
com.setSerialPortParams(
57600, SerialPort.DATABITS_8, SerialPort.STOPBITS_2, SerialPort.PARITY_NONE);
System.out.println(
"Current settings: "
+ com.getBaudRate()
+ " "
+ com.getDataBits()
+ " "
+ com.getParity()
+ " "
+ com.getStopBits());
} catch (UnsupportedCommOperationException e1) {
logger.debug("(Khepera) UnsupportedCommOperation: " + e1);
e1.printStackTrace();
}
// try {
// com.setSerialPortParams(BAUDRATE,
// com.DATABITS_8,
// com.STOPBITS_2,
// com.PARITY_NONE);
// com.setFlowControlMode(com.FLOWCONTROL_NONE);
// } catch (UnsupportedCommOperationException e1) {
// logger.debug("(Khepera) UnsupportedCommOperation: "+e1);
// e1.printStackTrace();
// }
logger.debug("[Khepera.initialize()] established " + comPort);
out = null;
out = com.getOutputStream();
inStream = null;
inStream = com.getInputStream();
byte[] readBuffer2 = new byte[1000];
if (inStream.available() > 0) {
int numBytes2 = inStream.read(readBuffer2);
String result2 = new String(readBuffer2, 0, numBytes2);
logger.debug("result2: " + result2);
}
// in = null;
in = new BufferedReader(new InputStreamReader(inStream));
bufferedKheperaAnswer =
new BufferedKheperaAnswer(logger, inStream, this, writelock, debug, operatingSystem);
try {
com.addEventListener(bufferedKheperaAnswer);
com.notifyOnOutputEmpty(true);
com.notifyOnDataAvailable(true);
com.notifyOnOverrunError(true);
com.notifyOnBreakInterrupt(true);
com.notifyOnCarrierDetect(true);
com.notifyOnCTS(true);
com.notifyOnDSR(true);
com.notifyOnFramingError(true);
com.notifyOnParityError(true);
com.notifyOnRingIndicator(false);
} catch (TooManyListenersException e1) {
logger.debug(
"[Khepera.initialize()] can not add further eventListeners to serialPort object"
+ e);
e1.printStackTrace();
}
} catch (PortInUseException e2) {
logger.debug("[Khepera.initialize()] Port in use: " + e2);
e2.printStackTrace();
} catch (IOException e3) {
logger.debug(
"[Khepera.initialize()] IOException while initialising COMport: <"
+ comPort
+ ">"
+ e);
e3.printStackTrace();
}
break;
}
}
if (com == null)
logger.error(
"[Khepera.initialize()] unable to find specified COMport "
+ comPort
+ ". giving up! (the robot is not connected yet.)");
else {
logger.debug("[Khepera.initialize()] starting bufferedKheperaAnswer.start()");
bufferedKheperaAnswer.start();
if (debug) logger.debug("[Khepera.initialize()] initialize() finished");
update = new KheperaUpdateManager(this, logger, debug);
logger.debug("[Khepera.initialize()] starting KheperaUpdateManager update.start()");
update.start();
}
}
public Enumeration<Object> elements() {
return p.elements();
}
@Override
public synchronized Enumeration<Object> elements() {
// TODO: implement for GridField values too
return ctx.elements();
}