public static void main(String[] args) { portList = CommPortIdentifier.getPortIdentifiers(); while (portList.hasMoreElements()) { portId = (CommPortIdentifier) portList.nextElement(); if (portId.getPortType() == CommPortIdentifier.PORT_SERIAL) { if (portId.getName().equals("COM17")) { // if (portId.getName().equals("/dev/term/a")) { try { serialPort = (SerialPort) portId.open("SimpleWriteApp", 2000); } catch (PortInUseException e) { } try { outputStream = serialPort.getOutputStream(); } catch (IOException e) { } try { serialPort.setSerialPortParams( 9600, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE); } catch (UnsupportedCommOperationException e) { } try { outputStream.write(messageString.getBytes()); } catch (IOException e) { } } } } }
/** Opens the Serial port with the baud and port_name given */ public boolean OpenSerial(int baud, String port) { CommPortIdentifier portId = null; Enumeration portEnum = CommPortIdentifier.getPortIdentifiers(); while (portEnum.hasMoreElements()) { CommPortIdentifier currPortId = (CommPortIdentifier) portEnum.nextElement(); if (currPortId.getName().equals(port)) { portId = currPortId; break; } } if (portId == null) { System.err.println("Can not open serial port"); return false; } try { serialPort = (SerialPort) portId.open(this.getClass().getName(), 2000); serialPort.setSerialPortParams( baud, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE); input = serialPort.getInputStream(); output = serialPort.getOutputStream(); serialPort.addEventListener(this); serialPort.notifyOnDataAvailable(true); Thread.sleep(1500); } catch (Exception e) { return false; } return true; }
public TestSer(String port) { try { portId = CommPortIdentifier.getPortIdentifier(port); serialPort = (SerialPort) portId.open("TestSer", 2000); is = serialPort.getInputStream(); os = serialPort.getOutputStream(); /* serialPort.addEventListener(this); serialPort.notifyOnDataAvailable(true); */ serialPort.setSerialPortParams( 115200, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE); serialPort.setFlowControlMode( SerialPort.FLOWCONTROL_RTSCTS_OUT | SerialPort.FLOWCONTROL_RTSCTS_IN); serialPort.enableReceiveTimeout(TIMEOUT); // serialPort.enableReceiveThreshold(4); } catch (Exception e) { System.out.println(e.getMessage()); System.exit(-1); } }
/** * This creates an mbed object for an mbed connected over Serial. <br> * Using this class requires the Sun Communications API to be installed * * @param PortName The Serial Port mbed is connected to eg "COM5" on Windows. * @param Baud The baud rate */ public SerialRPC(String PortName, int Baud) { // open serial port try { mbedPortID = CommPortIdentifier.getPortIdentifier(PortName); mbedPort = mbedPortID.open("mbed", 100000); mbedSerialPort = (SerialPort) mbedPort; mbedSerialPort.setSerialPortParams( Baud, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE); inputStream = new DataInputStream(mbedPort.getInputStream()); outputStream = new PrintStream(mbedPort.getOutputStream(), true); reader = new BufferedReader(new InputStreamReader(inputStream)); to_mbed = new PrintWriter(outputStream, true); mbedSerialPort.addEventListener(this); // Important to set this regardless of whether interrupts are in use to keep the buffer clear mbedSerialPort.notifyOnDataAvailable(true); } catch (TooManyListenersException e) { // Error adding event listener System.out.println("Too many Event Listeners"); } catch (NoSuchPortException e) { System.out.println("No Such Port"); } catch (PortInUseException e) { System.out.println("Port Already In Use"); } catch (UnsupportedCommOperationException e) { System.out.println("Unsupported Comm Operation"); } catch (IOException e) { System.out.println("Serial Port IOException"); } }
public static void initSerial() { Enumeration portList = CommPortIdentifier.getPortIdentifiers(); CommPortIdentifier portId = null; boolean portFound = false; while (portList.hasMoreElements()) { portId = (CommPortIdentifier) portList.nextElement(); if (portId.getPortType() == CommPortIdentifier.PORT_SERIAL) { if (portId.getName().equals("COM3")) { portFound = true; } } } if (!portFound) { System.out.println("port COM3 not found."); return; } SerialPort port; try { port = (SerialPort) portId.open("COM3", 2000); port.setSerialPortParams( 115200, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE); comOS = new DataOutputStream(port.getOutputStream()); } catch (PortInUseException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } catch (UnsupportedCommOperationException e) { // TODO Auto-generated catch block e.printStackTrace(); } }
private void write(byte[] data) { try { if (m_out == null) { m_PortIdPrinter = CommPortIdentifier.getPortIdentifier( m_sPortScale); // Tomamos el puerto m_CommPortPrinter = (SerialPort) m_PortIdPrinter.open("PORTID", 2000); // Abrimos el puerto m_out = m_CommPortPrinter.getOutputStream(); // Tomamos el chorro de escritura m_in = m_CommPortPrinter.getInputStream(); m_CommPortPrinter.addEventListener(this); m_CommPortPrinter.notifyOnDataAvailable(true); m_CommPortPrinter.setSerialPortParams( 4800, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_ODD); // Configuramos el puerto } m_out.write(data); } catch (NoSuchPortException e) { e.printStackTrace(); } catch (PortInUseException e) { e.printStackTrace(); } catch (UnsupportedCommOperationException e) { e.printStackTrace(); } catch (TooManyListenersException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } }
public static void listPorts() { Enumeration<CommPortIdentifier> portEnum = CommPortIdentifier.getPortIdentifiers(); while (portEnum.hasMoreElements()) { CommPortIdentifier portIdentifier = portEnum.nextElement(); System.out.println( portIdentifier.getName() + " - " + getPortTypeName(portIdentifier.getPortType())); } }
public static Serial open(String defaultPort) { boolean portFound = false; final int mComPortIdentifier = CommPortIdentifier.PORT_SERIAL; final Enumeration portList = CommPortIdentifier.getPortIdentifiers(); final int BAUD = 115200; while (portList.hasMoreElements()) { final CommPortIdentifier portId = (CommPortIdentifier) portList.nextElement(); System.out.println("Found port id: " + portId); if (portId.getPortType() == mComPortIdentifier) { System.out.println("Found CommPortIdentifier."); if (portId.getName().equals(defaultPort)) { System.out.println("Found port " + defaultPort); SerialPort serialPort; OutputStream outputStream = null; try { serialPort = (SerialPort) portId.open("SimpleWrite", 2000); } catch (PortInUseException e) { System.out.println("Port in use."); continue; } try { outputStream = serialPort.getOutputStream(); } catch (IOException e) { e.printStackTrace(); } try { serialPort.setSerialPortParams( BAUD, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE); } catch (UnsupportedCommOperationException e) { e.printStackTrace(); } try { serialPort.notifyOnOutputEmpty(true); } catch (Exception e) { System.out.println("Error setting event notification"); System.out.println(e.toString()); System.exit(-1); } return new Serial(serialPort, outputStream); } } } if (!portFound) { System.out.println("port " + defaultPort + " not found."); } return null; }
public static List<String> getAvailablePorts() { List<String> portNames = new ArrayList<>(); Enumeration identifiers = CommPortIdentifier.getPortIdentifiers(); while (identifiers.hasMoreElements()) { CommPortIdentifier identifier = (CommPortIdentifier) identifiers.nextElement(); if (identifier.getPortType() == CommPortIdentifier.PORT_SERIAL) { portNames.add(identifier.getName()); } } return portNames; }
/*! This method initializes the input and output stream member variables. It throws an exception if the COM port identifier is not found. */ private void initSerial() throws Exception { CommPortIdentifier portId = CommPortIdentifier.getPortIdentifier( comPort); // get the port ID for the port name received through command line if (portId == null) { throw new NullPointerException("no com port identifier"); } serPort = (SerialPort) portId.open("Shake", 5000); // open the serial Port outStream = serPort.getOutputStream(); // get output stream to the serial port inStream = serPort.getInputStream(); // get input stram to the serial port inBufReader = new BufferedReader(new InputStreamReader(inStream)); }
// search for all the serial ports // pre: none // post: adds all the found ports to a combo box on the GUI public void searchForPorts() { ports = CommPortIdentifier.getPortIdentifiers(); while (ports.hasMoreElements()) { CommPortIdentifier curPort = (CommPortIdentifier) ports.nextElement(); // get only serial ports if (curPort.getPortType() == CommPortIdentifier.PORT_SERIAL) { portMap.put(curPort.getName(), curPort); } } }
/* * Open the port, wait for chip init */ public static int initialize(String portName) { System.out.println("Enumerating serial ports:"); portList = CommPortIdentifier.getPortIdentifiers(); while (portList.hasMoreElements()) { portId = (CommPortIdentifier) portList.nextElement(); if (portId.getPortType() == CommPortIdentifier.PORT_SERIAL) { // DDT System.out.println(portId.getName()); if (portId.getName().equals(portName)) { System.out.println("Name match on port " + portName); // Init the port, matches name we were given try { serialPort = (SerialPort) portId.open("tx-skeleton", 64); } catch (PortInUseException e) { e.printStackTrace(); System.out.println("Port in use!"); return (4); } try { inputStream = serialPort.getInputStream(); outputStream = serialPort.getOutputStream(); } catch (IOException e) { System.out.println("Unable to connect to I/O streams"); return (3); } try { System.out.println("Initializing ADXL202 board..."); // 38400N81 serialPort.setSerialPortParams( 38400, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE); // ADXL202 is powered via DTR line, so set it on serialPort.setDTR(true); try { // Wait a couple of seconds for chip to initialize (blinking LED) Thread.sleep(2000); } catch (InterruptedException ie) { } } catch (UnsupportedCommOperationException e) { System.out.println("Unable to configure serial port!"); return (1); } return (0); } } } return (1); }
// find all available serial ports for the settings->ports menu. public String[] ListSerialPorts() { @SuppressWarnings("unchecked") Enumeration<CommPortIdentifier> ports = (Enumeration<CommPortIdentifier>) CommPortIdentifier.getPortIdentifiers(); ArrayList<String> portList = new ArrayList<String>(); while (ports.hasMoreElements()) { CommPortIdentifier port = (CommPortIdentifier) ports.nextElement(); if (port.getPortType() == CommPortIdentifier.PORT_SERIAL) { portList.add(port.getName()); } } portsDetected = (String[]) portList.toArray(new String[0]); return portsDetected; }
public static SerialPort openPortByName(String name, int baudRate) { SerialPort port = null; try { CommPortIdentifier identifier = CommPortIdentifier.getPortIdentifier(name); port = (SerialPort) identifier.open("SerialPort", 2000); port.setSerialPortParams( baudRate, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE); } catch (PortInUseException | NoSuchPortException | UnsupportedCommOperationException ex) { ErrorDialog dialog = new ErrorDialog(null, true, ex.getMessage()); ComponentPosition.centerFrame(dialog); dialog.setVisible(true); } return port; }
public boolean oeffneSerialPort() { Boolean foundPort = false; if (serialPortGeoeffnet != false) { System.out.println("Serialport bereits geöffnet"); return false; } System.out.println("Öffne Serialport"); enumComm = CommPortIdentifier.getPortIdentifiers(); while (enumComm.hasMoreElements()) { serialPortId = (CommPortIdentifier) enumComm.nextElement(); if (portName.contentEquals(serialPortId.getName())) { foundPort = true; break; } } if (foundPort != true) { System.out.println("Serialport nicht gefunden: " + portName); return false; } try { serialPort = (SerialPort) serialPortId.open("Öffnen und Senden", 500); } catch (PortInUseException e) { System.out.println("Port belegt"); } try { outputStream = serialPort.getOutputStream(); } catch (IOException e) { System.out.println("Keinen Zugriff auf OutputStream"); } try { inputStream = serialPort.getInputStream(); } catch (IOException e) { System.out.println("Keinen Zugriff auf InputStream"); } serialPort.notifyOnDataAvailable(true); try { serialPort.setSerialPortParams(baudrate, dataBits, stopBits, parity); } catch (UnsupportedCommOperationException e) { System.out.println("Konnte Schnittstellen-Paramter nicht setzen"); } reader = new BufferedReader(new InputStreamReader(inputStream)); writer = new BufferedWriter(new OutputStreamWriter(outputStream)); serialPortGeoeffnet = true; return true; }
public void open() throws NoSuchPortException, PortInUseException, IOException, UnsupportedCommOperationException { portId = CommPortIdentifier.getPortIdentifier(portName); port = (SerialPort) portId.open(CLASS_NAME, 0); in = port.getInputStream(); out = port.getOutputStream(); port.setFlowControlMode(SerialPort.FLOWCONTROL_RTSCTS_IN); port.setFlowControlMode(SerialPort.FLOWCONTROL_RTSCTS_OUT); printPortStatus(); port.setSerialPortParams( 19200, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE); printPortStatus(); }
// connect to the selected port in the combo box // pre: ports are already found by using the searchForPorts method // post: the connected comm port is stored in commPort, otherwise, // an exception is generated public void connect() { // String selectedPort = (String)window.cboxPorts.getSelectedItem(); /** Setting 에서 Comport 불러오는 걸로 수정 * */ // String selectedPort = "COM4"; selectedPortIdentifier = (CommPortIdentifier) portMap.get(selectedPort); CommPort commPort = null; try { // the method below returns an object of type CommPort commPort = selectedPortIdentifier.open("TigerControlPanel", TIMEOUT); // the CommPort object can be casted to a SerialPort object serialPort = (SerialPort) commPort; // for controlling GUI elements setConnected(true); // logging logText = selectedPort + " opened successfully."; System.out.println(logText + "\n"); // CODE ON SETTING BAUD RATE ETC OMITTED // XBEE PAIR ASSUMED TO HAVE SAME SETTINGS ALREADY } catch (PortInUseException e) { logText = selectedPort + " is in use. (" + e.toString() + ")"; System.out.println(logText + "\n"); } catch (Exception e) { logText = "Failed to open " + selectedPort + "(" + e.toString() + ")"; System.out.println(logText + "\n"); } }
public int setUpBam() { Enumeration<?> portIdentifiers = CommPortIdentifier.getPortIdentifiers(); CommPortIdentifier portId = null; while (portIdentifiers.hasMoreElements()) { CommPortIdentifier pid = (CommPortIdentifier) portIdentifiers.nextElement(); if (pid.getPortType() == CommPortIdentifier.PORT_SERIAL && pid.getName().equals(wantedPortName)) { portId = pid; System.out.println("Found port: " + pid.getName()); break; } } try { port = (SerialPort) portId.open("Driver", 10000); } catch (PortInUseException e) { System.err.println("Port already in use: " + e); System.exit(1); } try { port.setSerialPortParams( 57600, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE); } catch (UnsupportedCommOperationException e) { System.err.println("Failed to set up port: " + e); } System.out.println("Port should be open now"); return 0; }
/** returns an array of all the serial ports available */ public static CommPortIdentifier[] getSerialPorts() { Enumeration portEnum = CommPortIdentifier.getPortIdentifiers(); int i = 0; while (portEnum.hasMoreElements()) { i++; portEnum.nextElement(); } CommPortIdentifier[] portId = new CommPortIdentifier[i]; Enumeration portEnum2 = CommPortIdentifier.getPortIdentifiers(); i = 0; while (portEnum2.hasMoreElements()) { portId[i] = (CommPortIdentifier) portEnum2.nextElement(); i++; } return portId; }
/** @param data */ @Override protected void internalWrite(byte[] data) { try { if (m_out == null) { m_PortIdPrinter = CommPortIdentifier.getPortIdentifier( m_sPortPrinter); // Tomamos el puerto m_CommPortPrinter = m_PortIdPrinter.open("PORTID", 2000); // Abrimos el puerto m_out = m_CommPortPrinter.getOutputStream(); // Tomamos el chorro de escritura if (m_PortIdPrinter.getPortType() == CommPortIdentifier.PORT_SERIAL) { ((SerialPort) m_CommPortPrinter) .setSerialPortParams( 9600, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE); // Configuramos el puerto ((SerialPort) m_CommPortPrinter) .setFlowControlMode( SerialPort .FLOWCONTROL_RTSCTS_IN); // this line prevents the printer tmu220 to stop // printing after +-18 lines printed // this line prevents the printer tmu220 to stop printing after +-18 lines printed. Bug // 8324 // But if added a regression error appears. Bug 9417, Better to keep it commented. // ((SerialPort)m_CommPortPrinter).setFlowControlMode(SerialPort.FLOWCONTROL_RTSCTS_IN); // Not needed to set parallel properties // } else if (m_PortIdPrinter.getPortType() == // CommPortIdentifier.PORT_PARALLEL) { // ((ParallelPort)m_CommPortPrinter).setMode(1); } } m_out.write(data); // JG 16 May 12 use multicatch } catch (NoSuchPortException | PortInUseException | UnsupportedCommOperationException | IOException e) { System.err.println(e); } }
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 mSerialPort = (SerialPort) commPort; mSerialPort.setSerialPortParams( 57600, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE); InputStream mIn = mSerialPort.getInputStream(); OutputStream mOut = mSerialPort.getOutputStream(); (new Thread(new SerialReader(mIn))).start(); (new Thread(new SerialWriter(mOut))).start(); } else { System.out.println("Error: Only serial ports are handled by this example."); } } }
public void connection() { try { portId = CommPortIdentifier.getPortIdentifier("COM10"); sPort = (SerialPort) portId.open("COM10", 1000); sPort.setSerialPortParams(9600, 8, 1, sPort.PARITY_NONE); is = sPort.getInputStream(); os = sPort.getOutputStream(); dis = new DataInputStream(is); dos = new DataOutputStream(os); } catch (NoSuchPortException e) { System.out.println("No Port\n" + e); } catch (PortInUseException e) { System.out.println("Port\n" + e); } catch (UnsupportedCommOperationException e) { System.out.println("Unsupported Problem\n" + e); } catch (IOException e) { System.out.println("IO Problem" + e); } catch (Exception e) { System.out.println("Unknown Problem" + e); } }
public void printAllPorts() { Enumeration ports = CommPortIdentifier.getPortIdentifiers(); if (ports == null) { System.out.println("No comm ports found!"); return; } // print out all ports System.out.println("printing all ports..."); while (ports.hasMoreElements()) { System.out.println(" " + ((CommPortIdentifier) ports.nextElement()).getName()); } System.out.println("done."); }
/** Connect to Serial Port (e.g FTDI module) */ public boolean connect(CommPortIdentifier port, int speed) throws PortInUseException { this.speed = speed; serialPort = (SerialPort) port.open("FTDI", 2000); try { outputStream = serialPort.getOutputStream(); inputStream = serialPort.getInputStream(); serialPort.setSerialPortParams( this.speed, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE); serialPort.notifyOnOutputEmpty(true); return true; } catch (IOException e) { e.printStackTrace(); } catch (UnsupportedCommOperationException e) { e.printStackTrace(); } return false; }
/** * @return A HashSet containing the CommPortIdentifier for all serial ports that are not currently * being used. */ @SuppressWarnings({"rawtypes"}) private 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); } 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; }
public static void main(String args[]) { // Command to turn of GPS int[] turn_off = new int[8]; turn_off[0] = DLE; turn_off[1] = Pid_Command_Packet; turn_off[2] = 2; // Length of data turn_off[3] = Cmnd_Turn_Off_Pwr; turn_off[4] = 0; turn_off[6] = DLE; turn_off[7] = ETX; calcChecksum(turn_off); System.out.println("Turn off checksum: " + turn_off[5]); // Command to ask GPS for time data. int[] transfer_time = new int[8]; transfer_time[0] = DLE; transfer_time[1] = Pid_Command_Packet; transfer_time[2] = 2; transfer_time[3] = Cmnd_Transfer_Time; transfer_time[4] = 0; transfer_time[6] = DLE; transfer_time[7] = ETX; calcChecksum(transfer_time); System.out.println("Transfer time" + transfer_time[5]); // Command to make a product request to the GPS. int[] product_request = new int[6]; product_request[0] = DLE; product_request[1] = Pid_Product_Rqst; product_request[2] = 0; product_request[4] = DLE; product_request[5] = ETX; calcChecksum(product_request); System.out.println("Product request:" + product_request[5]); // Command to ask GPS for position data int[] transfer_position = new int[8]; transfer_position[0] = DLE; transfer_position[1] = Pid_Command_Packet; transfer_position[2] = 2; transfer_position[3] = Cmnd_Transfer_Posn; transfer_position[4] = 0; transfer_position[6] = DLE; transfer_position[7] = ETX; calcChecksum(transfer_position); // Command to ask the GPS to start transmitting PVT data int[] start_PVT = new int[8]; start_PVT[0] = DLE; start_PVT[1] = Pid_Command_Packet; start_PVT[2] = 2; start_PVT[3] = Cmnd_Start_Pvt_Data; start_PVT[4] = 0; start_PVT[6] = DLE; start_PVT[7] = ETX; calcChecksum(start_PVT); // Acknowledge-packet. int[] ack = new int[8]; ack[0] = DLE; ack[1] = Pid_Ack_Byte; ack[2] = 2; ack[4] = 0; ack[6] = DLE; ack[7] = ETX; SerialPort port; BufferedInputStream input; BufferedOutputStream output; System.out.println("Using COM1."); // Open port. try { port = (SerialPort) CommPortIdentifier.getPortIdentifier("COM1").open("dk.itu.haas.GPS", 3000); } catch (NoSuchPortException e) { System.out.println("No such port!\n" + e.getMessage()); return; } catch (PortInUseException e) { System.out.println("Port already in use! (??!)\n" + e.getMessage()); return; } try { input = new BufferedInputStream(port.getInputStream()); output = new BufferedOutputStream(port.getOutputStream()); } catch (IOException e) { System.out.println("IOException... "); return; } System.out.println("Sending:"); printPacket(turn_off); sendPacket(output, turn_off); /* printPacket(transfer_position); sendPacket(output, transfer_position); */ /* printPacket(start_PVT); sendPacket(output, start_PVT); */ /* printPacket(product_request); sendPacket(output, product_request); */ System.out.println("--"); int[] packet; try { Thread.sleep(500); } catch (InterruptedException e) { } try { while (input.available() > 0) { packet = readPacket(input); if (packet != null) { System.out.println("Received:"); printPacket(packet); // Send acknowledge. ack[3] = packet[1]; calcChecksum(ack); sendPacket(output, ack); System.out.println("--"); } else { System.out.println("No packet received."); } try { Thread.sleep(5000); } catch (InterruptedException e) { } } } catch (IOException e) { System.out.println("IOError!"); return; } }
/** * Opens the communication port. * * @throws Exception if an error occurs. */ public void open() throws Exception { // If this is Linux then first of all we need to check that // device file exists. Otherwise call to m_PortIdentifyer.open() // method will crash JVM. // It is ugly patch but it is too late... if (SystemUtils.IS_OS_LINUX) { File portDevFile = new File(m_Parameters.getPortName()); if (!portDevFile.exists()) { throw new Exception( "Modbus serial device " + m_Parameters.getPortName() + " doesn't exist!"); } } // 1. obtain a CommPortIdentifier instance try { m_PortIdentifyer = CommPortIdentifier.getPortIdentifier(m_Parameters.getPortName()); } catch (NoSuchPortException e) { final String errMsg = "Could not get port identifier, maybe insufficient permissions. " + e.getMessage(); logger.debug(errMsg); throw new Exception(errMsg); } logger.trace("Got Port Identifier"); // 2. open the port, wait for given timeout try { m_SerialPort = (SerialPort) m_PortIdentifyer.open("Modbus Serial Master", 30000); } catch (PortInUseException e) { logger.debug("open port failed: " + e.getMessage()); throw new Exception(e.getMessage()); } logger.trace("Got Serial Port"); // 3. set the parameters try { setConnectionParameters(); } catch (Exception e) { // ensure it is closed m_SerialPort.close(); logger.debug("parameter setup failed: " + e.getMessage()); throw e; } if (Modbus.SERIAL_ENCODING_ASCII.equals(m_Parameters.getEncoding())) { m_Transport = new ModbusASCIITransport(); } else if (Modbus.SERIAL_ENCODING_RTU.equals(m_Parameters.getEncoding())) { m_Transport = new ModbusRTUTransport(); setReceiveTimeout(m_Parameters.getReceiveTimeout()); // just here for the moment. } else if (Modbus.SERIAL_ENCODING_BIN.equals(m_Parameters.getEncoding())) { m_Transport = new ModbusBINTransport(); } m_Transport.setEcho(m_Parameters.isEcho()); // Open the input and output streams for the connection. If they won't // open, close the port before throwing an exception. try { m_SerialIn = m_SerialPort.getInputStream(); m_Transport.setCommPort(m_SerialPort); // m_Transport.prepareStreams(m_SerialIn, // m_SerialPort.getOutputStream()); } catch (IOException e) { m_SerialPort.close(); logger.debug(e.getMessage()); throw new Exception("Error opening i/o streams"); } logger.trace("i/o Streams prepared"); // Add this object as an event listener for the serial port. try { m_SerialPort.addEventListener(this); } catch (TooManyListenersException e) { m_SerialPort.close(); final String errMsg = "too many listeners added"; logger.debug("{}: {}", errMsg, e.getMessage()); throw new Exception(errMsg); } // Set notifyOnBreakInterrup to allow event driven break handling. m_SerialPort.notifyOnBreakInterrupt(true); m_Open = true; } // open
// open a serial connection to a device. We won't know it's the robot until public int OpenPort(String portName) { if (portOpened && portName.equals(recentPort)) return 0; ClosePort(); Log("<font color='green'>Connecting to " + portName + "...</font>\n"); // find the port try { portIdentifier = CommPortIdentifier.getPortIdentifier(portName); } catch (Exception e) { Log("<span style='color:red'>Ports could not be identified:" + e.getMessage() + "</span>\n"); e.printStackTrace(); return 1; } if (portIdentifier.isCurrentlyOwned()) { Log( "<span style='color:red'>Error: Another program is currently using this port." + "</span>\n"); return 2; } // open the port try { commPort = portIdentifier.open("DrawbotGUI", 2000); } catch (Exception e) { Log("Port could not be opened:" + e.getMessage() + NL); e.printStackTrace(); return 3; } if ((commPort instanceof SerialPort) == false) { Log("<span style='color:red'>Only serial ports are handled by this example." + "</span>\n"); return 4; } // set the port parameters (like baud rate) serialPort = (SerialPort) commPort; try { serialPort.setSerialPortParams( BAUD_RATE, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE); } catch (Exception e) { Log("<span style='color:red'>Port could not be configured:" + e.getMessage() + "</span>\n"); return 5; } try { in = serialPort.getInputStream(); out = serialPort.getOutputStream(); } catch (Exception e) { Log("<span style='color:red'>Streams could not be opened:" + e.getMessage() + "</span>\n"); return 6; } try { serialPort.addEventListener(this); serialPort.notifyOnDataAvailable(true); } catch (TooManyListenersException e) { Log("<span style='color:red'>Streams could not be opened:" + e.getMessage() + "</span>\n"); return 7; } Log("<span style='green'>Opened.</span>\n"); SetRecentPort(portName); portOpened = true; UpdateMenuBar(); return 0; }