Search in sources :

Example 16 with NoSuchPortException

use of gnu.io.NoSuchPortException in project openhab1-addons by openhab.

the class DavisBinding method openPort.

public void openPort() throws InitializationException {
    CommPortIdentifier portIdentifier;
    try {
        portIdentifier = CommPortIdentifier.getPortIdentifier(port);
        try {
            serialPort = portIdentifier.open("openhab", 3000);
            serialPort.setSerialPortParams(19200, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE);
            // serialPort.setFlowControlMode(SerialPort.FLOWCONTROL_RTSCTS_IN | SerialPort.FLOWCONTROL_RTSCTS_OUT);
            serialPort.enableReceiveTimeout(100);
            serialPort.enableReceiveThreshold(1);
            inputStream = new DataInputStream(new BufferedInputStream(serialPort.getInputStream()));
            outputStream = serialPort.getOutputStream();
            logger.debug("port opened: " + port);
        } catch (PortInUseException e) {
            throw new InitializationException(e);
        } catch (UnsupportedCommOperationException e) {
            throw new InitializationException(e);
        } catch (IOException e) {
            throw new InitializationException(e);
        }
    } catch (NoSuchPortException e) {
        StringBuilder sb = new StringBuilder();
        Enumeration portList = CommPortIdentifier.getPortIdentifiers();
        while (portList.hasMoreElements()) {
            CommPortIdentifier id = (CommPortIdentifier) portList.nextElement();
            if (id.getPortType() == CommPortIdentifier.PORT_SERIAL) {
                sb.append(id.getName() + "\n");
            }
        }
        throw new InitializationException("Serial port '" + port + "' could not be found. Available ports are:\n" + sb.toString());
    }
}
Also used : UnsupportedCommOperationException(gnu.io.UnsupportedCommOperationException) PortInUseException(gnu.io.PortInUseException) NoSuchPortException(gnu.io.NoSuchPortException) Enumeration(java.util.Enumeration) CommPortIdentifier(gnu.io.CommPortIdentifier) BufferedInputStream(java.io.BufferedInputStream) IOException(java.io.IOException) DataInputStream(java.io.DataInputStream)

Example 17 with NoSuchPortException

use of gnu.io.NoSuchPortException in project openhab1-addons by openhab.

the class DSMRPort method open.

/**
     * Opens the Operation System Serial Port
     * <p>
     * This method opens the port and set Serial Port parameters according to
     * the DSMR specification. Since the specification is clear about these
     * parameters there are not configurable.
     * <p>
     * If there are problem while opening the port, it is the responsibility of
     * the calling method to handle this situation (and for example close the
     * port again).
     * <p>
     * Opening an already open port is harmless. The method will return
     * immediately
     *
     * @return true if opening was successful (or port was already open), false
     *         otherwise
     */
private boolean open() {
    synchronized (portLock) {
        // Sanity check
        if (portState != PortState.CLOSED) {
            return true;
        }
        try {
            // Add non standard port names if not exists (fixes part of #4175)
            if (!portExists(portName)) {
                logger.warn("Port {} does not exists according to the system, we will still try to open it", portName);
            }
            // Opening Operating System Serial Port
            logger.debug("Creating CommPortIdentifier");
            CommPortIdentifier portIdentifier = CommPortIdentifier.getPortIdentifier(portName);
            logger.debug("Opening CommPortIdentifier");
            CommPort commPort = portIdentifier.open("org.openhab.binding.dsmr", readTimeoutMSec);
            logger.debug("Configure serial port");
            serialPort = (SerialPort) commPort;
            serialPort.enableReceiveThreshold(1);
            serialPort.enableReceiveTimeout(readTimeoutMSec);
            // Configure Serial Port based on specified port speed
            logger.debug("Configure serial port parameters: {}", portSettings);
            if (portSettings != null) {
                serialPort.setSerialPortParams(portSettings.getBaudrate(), portSettings.getDataBits(), portSettings.getStopbits(), portSettings.getParity());
                /* special settings for low speed port (checking reference here) */
                if (portSettings == DSMRPortSettings.LOW_SPEED_SETTINGS) {
                    serialPort.setDTR(false);
                    serialPort.setRTS(true);
                }
            } else {
                logger.error("Invalid port parameters, closing port:{}", portSettings);
                return false;
            }
        } catch (NoSuchPortException nspe) {
            logger.error("Could not open port: {}", portName, nspe);
            return false;
        } catch (PortInUseException piue) {
            logger.error("Port already in use: {}", portName, piue);
            return false;
        } catch (UnsupportedCommOperationException ucoe) {
            logger.error("Port does not support requested port settings " + "(invalid dsmr:portsettings parameter?): {}", portName, ucoe);
            return false;
        }
        // SerialPort is ready, open the reader
        logger.info("SerialPort opened successful");
        try {
            bis = new BufferedInputStream(serialPort.getInputStream());
        } catch (IOException ioe) {
            logger.error("Failed to get inputstream for serialPort. Closing port", ioe);
            return false;
        }
        logger.info("DSMR Port opened successful");
        return true;
    }
}
Also used : UnsupportedCommOperationException(gnu.io.UnsupportedCommOperationException) NoSuchPortException(gnu.io.NoSuchPortException) PortInUseException(gnu.io.PortInUseException) CommPortIdentifier(gnu.io.CommPortIdentifier) CommPort(gnu.io.CommPort) BufferedInputStream(java.io.BufferedInputStream) IOException(java.io.IOException)

Aggregations

NoSuchPortException (gnu.io.NoSuchPortException)17 CommPortIdentifier (gnu.io.CommPortIdentifier)15 PortInUseException (gnu.io.PortInUseException)14 UnsupportedCommOperationException (gnu.io.UnsupportedCommOperationException)14 IOException (java.io.IOException)11 CommPort (gnu.io.CommPort)8 SerialPort (gnu.io.SerialPort)7 TooManyListenersException (java.util.TooManyListenersException)6 DataInputStream (java.io.DataInputStream)4 Enumeration (java.util.Enumeration)4 BufferedInputStream (java.io.BufferedInputStream)3 BufferedReader (java.io.BufferedReader)3 InputStreamReader (java.io.InputStreamReader)3 OutputStreamWriter (java.io.OutputStreamWriter)3 BufferedWriter (java.io.BufferedWriter)2 UnsupportedEncodingException (java.io.UnsupportedEncodingException)2 RXTXPort (gnu.io.RXTXPort)1 SerialPortEvent (gnu.io.SerialPortEvent)1 SerialPortEventListener (gnu.io.SerialPortEventListener)1 DataOutputStream (java.io.DataOutputStream)1