use of gnu.io.SerialPortEventListener in project openhab1-addons by openhab.
the class IntRSModule method connect.
@Override
protected CommunicationChannel connect() {
logger.info("Connecting to INT-RS module at {}", this.port);
try {
CommPortIdentifier portIdentifier = CommPortIdentifier.getPortIdentifier(this.port);
SerialPort serialPort = portIdentifier.open("org.openhab.binding.satel", 2000);
serialPort.setSerialPortParams(19200, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE);
serialPort.enableReceiveTimeout(this.getTimeout());
// RXTX serial port library causes high CPU load
// Start event listener, which will just sleep and slow down event
// loop
serialPort.addEventListener(new SerialPortEventListener() {
@Override
public void serialEvent(SerialPortEvent ev) {
try {
logger.trace("RXTX library CPU load workaround, sleep forever");
Thread.sleep(Long.MAX_VALUE);
} catch (InterruptedException e) {
}
}
});
serialPort.notifyOnDataAvailable(true);
logger.info("INT-RS module connected successfuly");
return new SerialCommunicationChannel(serialPort);
} catch (NoSuchPortException e) {
logger.error("Port {} does not exist", this.port);
} catch (PortInUseException e) {
logger.error("Port {} in use.", this.port);
} catch (UnsupportedCommOperationException e) {
logger.error("Unsupported comm operation on port {}.", this.port);
} catch (TooManyListenersException e) {
logger.error("Too many listeners on port {}.", this.port);
}
return null;
}
use of gnu.io.SerialPortEventListener in project openhab1-addons by openhab.
the class UrtsiDevice method writeString.
/**
* Sends a string to the serial port of this device.
* The writing of the msg is executed synchronized, so it's guaranteed that the device doesn't get
* multiple messages concurrently.
*
* @param msg
* the string to send
* @return true, if the message has been transmitted successfully, otherwise false.
*/
synchronized boolean writeString(final String msg) {
logger.debug("Writing '{}' to serial port {}", msg, port);
final long earliestNextExecution = lastCommandTime + interval;
while (earliestNextExecution > System.currentTimeMillis()) {
try {
Thread.sleep(100);
} catch (InterruptedException ex) {
return false;
}
}
try {
final List<Boolean> listenerResult = new ArrayList<Boolean>();
serialPort.addEventListener(new SerialPortEventListener() {
@Override
public void serialEvent(SerialPortEvent event) {
if (event.getEventType() == SerialPortEvent.DATA_AVAILABLE) {
// we get here if data has been received
final StringBuilder sb = new StringBuilder();
final byte[] readBuffer = new byte[20];
try {
do {
// read data from serial device
while (inputStream.available() > 0) {
final int bytes = inputStream.read(readBuffer);
sb.append(new String(readBuffer, 0, bytes));
}
try {
// add wait states around reading the stream, so that interrupted transmissions are
// merged
Thread.sleep(100);
} catch (InterruptedException e) {
// ignore interruption
}
} while (inputStream.available() > 0);
final String result = sb.toString();
if (result.equals(msg)) {
listenerResult.add(true);
}
} catch (IOException e) {
logger.debug("Error receiving data on serial port {}: {}", port, e.getMessage());
}
}
}
});
serialPort.notifyOnDataAvailable(true);
outputStream.write(msg.getBytes());
outputStream.flush();
lastCommandTime = System.currentTimeMillis();
final long timeout = lastCommandTime + 1000;
while (listenerResult.isEmpty() && System.currentTimeMillis() < timeout) {
// Waiting for response
Thread.sleep(100);
}
return !listenerResult.isEmpty();
} catch (Exception e) {
logger.error("Error writing '{}' to serial port {}: {}", msg, port, e.getMessage());
} finally {
serialPort.removeEventListener();
}
return false;
}
use of gnu.io.SerialPortEventListener in project JMRI by JMRI.
the class SerialDriverAdapter method openPort.
@Override
public String openPort(String portName, String appName) {
try {
// get and open the primary port
CommPortIdentifier portID = CommPortIdentifier.getPortIdentifier(portName);
try {
// name of program, msec to wait
activeSerialPort = (SerialPort) portID.open(appName, 2000);
} catch (PortInUseException p) {
return handlePortBusy(p, portName, log);
}
// try to set it for CMRI serial
try {
setSerialPort();
} catch (gnu.io.UnsupportedCommOperationException e) {
log.error("Cannot set serial parameters on port " + portName + ": " + e.getMessage());
return "Cannot set serial parameters on port " + portName + ": " + e.getMessage();
}
// set framing (end) character
try {
activeSerialPort.enableReceiveFraming(0x03);
log.debug("Serial framing was observed as: " + activeSerialPort.isReceiveFramingEnabled() + " " + activeSerialPort.getReceiveFramingByte());
} catch (Exception ef) {
log.debug("failed to set serial framing: " + ef);
}
// set timeout; framing should work before this anyway
try {
activeSerialPort.enableReceiveTimeout(10);
log.debug("Serial timeout was observed as: " + activeSerialPort.getReceiveTimeout() + " " + activeSerialPort.isReceiveTimeoutEnabled());
} catch (Exception et) {
log.info("failed to set serial timeout: " + et);
}
// get and save stream
serialStream = activeSerialPort.getInputStream();
// purge contents, if any
purgeStream(serialStream);
// report status?
if (log.isInfoEnabled()) {
// report now
log.info(portName + " port opened at " + activeSerialPort.getBaudRate() + " baud with" + " DTR: " + activeSerialPort.isDTR() + " RTS: " + activeSerialPort.isRTS() + " DSR: " + activeSerialPort.isDSR() + " CTS: " + activeSerialPort.isCTS() + " CD: " + activeSerialPort.isCD());
}
if (log.isDebugEnabled()) {
// report additional status
log.debug(" port flow control shows " + (activeSerialPort.getFlowControlMode() == SerialPort.FLOWCONTROL_RTSCTS_OUT ? "hardware flow control" : "no flow control"));
}
if (log.isDebugEnabled()) {
// arrange to notify later
activeSerialPort.addEventListener(new SerialPortEventListener() {
@Override
public void serialEvent(SerialPortEvent e) {
int type = e.getEventType();
switch(type) {
case SerialPortEvent.DATA_AVAILABLE:
log.info("SerialEvent: DATA_AVAILABLE is " + e.getNewValue());
return;
case SerialPortEvent.OUTPUT_BUFFER_EMPTY:
log.info("SerialEvent: OUTPUT_BUFFER_EMPTY is " + e.getNewValue());
return;
case SerialPortEvent.CTS:
log.info("SerialEvent: CTS is " + e.getNewValue());
return;
case SerialPortEvent.DSR:
log.info("SerialEvent: DSR is " + e.getNewValue());
return;
case SerialPortEvent.RI:
log.info("SerialEvent: RI is " + e.getNewValue());
return;
case SerialPortEvent.CD:
log.info("SerialEvent: CD is " + e.getNewValue());
return;
case SerialPortEvent.OE:
log.info("SerialEvent: OE (overrun error) is " + e.getNewValue());
return;
case SerialPortEvent.PE:
log.info("SerialEvent: PE (parity error) is " + e.getNewValue());
return;
case SerialPortEvent.FE:
log.info("SerialEvent: FE (framing error) is " + e.getNewValue());
return;
case SerialPortEvent.BI:
log.info("SerialEvent: BI (break interrupt) is " + e.getNewValue());
return;
default:
log.info("SerialEvent of unknown type: " + type + " value: " + e.getNewValue());
return;
}
}
});
try {
activeSerialPort.notifyOnFramingError(true);
} catch (Exception e) {
log.debug("Could not notifyOnFramingError: " + e);
}
try {
activeSerialPort.notifyOnBreakInterrupt(true);
} catch (Exception e) {
log.debug("Could not notifyOnBreakInterrupt: " + e);
}
try {
activeSerialPort.notifyOnParityError(true);
} catch (Exception e) {
log.debug("Could not notifyOnParityError: " + e);
}
try {
activeSerialPort.notifyOnOverrunError(true);
} catch (Exception e) {
log.debug("Could not notifyOnOverrunError: " + e);
}
}
opened = true;
} catch (gnu.io.NoSuchPortException p) {
return handlePortNotFound(p, portName, log);
} catch (Exception ex) {
log.error("Unexpected exception while opening port " + portName + " trace follows: " + ex);
ex.printStackTrace();
return "Unexpected error while opening port " + portName + ": " + ex;
}
// normal operation
return null;
}
use of gnu.io.SerialPortEventListener in project JMRI by JMRI.
the class LocoBufferAdapter method openPort.
@Override
public String openPort(String portName, String appName) {
// open the primary and secondary ports in LocoNet mode, check ability to set moderators
try {
// get and open the primary port
CommPortIdentifier portID = CommPortIdentifier.getPortIdentifier(portName);
try {
// name of program, msec to wait
activeSerialPort = (SerialPort) portID.open(appName, 2000);
} catch (PortInUseException p) {
return handlePortBusy(p, portName, log);
}
// try to set it for LocoNet via LocoBuffer
try {
setSerialPort(activeSerialPort);
} catch (gnu.io.UnsupportedCommOperationException e) {
log.error(// NOI18N
"Cannot set serial parameters on port " + portName + ": " + e.getMessage());
return // NOI18N
"Cannot set serial parameters on port " + portName + ": " + e.getMessage();
}
// set timeout
try {
activeSerialPort.enableReceiveTimeout(10);
log.debug(// NOI18N
"Serial timeout was observed as: " + activeSerialPort.getReceiveTimeout() + " " + activeSerialPort.isReceiveTimeoutEnabled());
} catch (Exception et) {
// NOI18N
log.info("failed to set serial timeout: " + et);
}
// get and save stream
serialStream = activeSerialPort.getInputStream();
// purge contents, if any
purgeStream(serialStream);
// report status?
if (log.isInfoEnabled()) {
// report now
log.info(// NOI18N
portName + " port opened at " + activeSerialPort.getBaudRate() + // NOI18N
" baud with" + " DTR: " + // NOI18N
activeSerialPort.isDTR() + " RTS: " + // NOI18N
activeSerialPort.isRTS() + " DSR: " + // NOI18N
activeSerialPort.isDSR() + " CTS: " + // NOI18N
activeSerialPort.isCTS() + " CD: " + // NOI18N
activeSerialPort.isCD());
}
if (log.isDebugEnabled()) {
// report additional status
log.debug(// NOI18N
" port flow control shows " + // NOI18N
(activeSerialPort.getFlowControlMode() == SerialPort.FLOWCONTROL_RTSCTS_OUT ? "hardware flow control" : "no flow control"));
}
if (log.isDebugEnabled()) {
// arrange to notify later
activeSerialPort.addEventListener(new SerialPortEventListener() {
@Override
public void serialEvent(SerialPortEvent e) {
int type = e.getEventType();
switch(type) {
case SerialPortEvent.DATA_AVAILABLE:
// NOI18N
log.info("SerialEvent: DATA_AVAILABLE is " + e.getNewValue());
return;
case SerialPortEvent.OUTPUT_BUFFER_EMPTY:
// NOI18N
log.info("SerialEvent: OUTPUT_BUFFER_EMPTY is " + e.getNewValue());
return;
case SerialPortEvent.CTS:
// NOI18N
log.info("SerialEvent: CTS is " + e.getNewValue());
return;
case SerialPortEvent.DSR:
// NOI18N
log.info("SerialEvent: DSR is " + e.getNewValue());
return;
case SerialPortEvent.RI:
// NOI18N
log.info("SerialEvent: RI is " + e.getNewValue());
return;
case SerialPortEvent.CD:
// NOI18N
log.info("SerialEvent: CD is " + e.getNewValue());
return;
case SerialPortEvent.OE:
// NOI18N
log.info("SerialEvent: OE (overrun error) is " + e.getNewValue());
return;
case SerialPortEvent.PE:
// NOI18N
log.info("SerialEvent: PE (parity error) is " + e.getNewValue());
return;
case SerialPortEvent.FE:
// NOI18N
log.info("SerialEvent: FE (framing error) is " + e.getNewValue());
return;
case SerialPortEvent.BI:
// NOI18N
log.info("SerialEvent: BI (break interrupt) is " + e.getNewValue());
return;
default:
// NOI18N
log.info("SerialEvent of unknown type: " + type + " value: " + e.getNewValue());
return;
}
}
});
try {
activeSerialPort.notifyOnFramingError(true);
} catch (Exception e) {
// NOI18N
log.debug("Could not notifyOnFramingError: " + e);
}
try {
activeSerialPort.notifyOnBreakInterrupt(true);
} catch (Exception e) {
// NOI18N
log.debug("Could not notifyOnBreakInterrupt: " + e);
}
try {
activeSerialPort.notifyOnParityError(true);
} catch (Exception e) {
// NOI18N
log.debug("Could not notifyOnParityError: " + e);
}
try {
activeSerialPort.notifyOnOverrunError(true);
} catch (Exception e) {
// NOI18N
log.debug("Could not notifyOnOverrunError: " + e);
}
}
opened = true;
} catch (gnu.io.NoSuchPortException p) {
return handlePortNotFound(p, portName, log);
} catch (Exception ex) {
// NOI18N
log.error("Unexpected exception while opening port {} trace follows:", portName, ex);
return "Unexpected error while opening port " + portName + ": " + ex;
}
// normal operation
return null;
}
use of gnu.io.SerialPortEventListener in project JMRI by JMRI.
the class SerialDriverAdapter method openPort.
@Override
public String openPort(String portName, String appName) {
try {
// get and open the primary port
CommPortIdentifier portID = CommPortIdentifier.getPortIdentifier(portName);
try {
// name of program, msec to wait
activeSerialPort = (SerialPort) portID.open(appName, 2000);
} catch (PortInUseException p) {
return handlePortBusy(p, portName, log);
}
// try to set it for serial
try {
setSerialPort();
} catch (gnu.io.UnsupportedCommOperationException e) {
log.error("Cannot set serial parameters on port " + portName + ": " + e.getMessage());
return "Cannot set serial parameters on port " + portName + ": " + e.getMessage();
}
// set framing (end) character
try {
activeSerialPort.enableReceiveFraming(0x03);
log.debug("Serial framing was observed as: " + activeSerialPort.isReceiveFramingEnabled() + " " + activeSerialPort.getReceiveFramingByte());
} catch (Exception ef) {
log.debug("failed to set serial framing: " + ef);
}
// set timeout; framing should work before this anyway
try {
activeSerialPort.enableReceiveTimeout(10);
log.debug("Serial timeout was observed as: " + activeSerialPort.getReceiveTimeout() + " " + activeSerialPort.isReceiveTimeoutEnabled());
} catch (Exception et) {
log.info("failed to set serial timeout: " + et);
}
// get and save stream
serialStream = activeSerialPort.getInputStream();
// purge contents, if any
purgeStream(serialStream);
// report status?
if (log.isInfoEnabled()) {
// report now
log.info(portName + " port opened at " + activeSerialPort.getBaudRate() + " baud with" + " DTR: " + activeSerialPort.isDTR() + " RTS: " + activeSerialPort.isRTS() + " DSR: " + activeSerialPort.isDSR() + " CTS: " + activeSerialPort.isCTS() + " CD: " + activeSerialPort.isCD());
}
if (log.isDebugEnabled()) {
// report additional status
log.debug(" port flow control shows " + (activeSerialPort.getFlowControlMode() == SerialPort.FLOWCONTROL_RTSCTS_OUT ? "hardware flow control" : "no flow control"));
}
if (log.isDebugEnabled()) {
// arrange to notify later
activeSerialPort.addEventListener(new SerialPortEventListener() {
@Override
public void serialEvent(SerialPortEvent e) {
int type = e.getEventType();
switch(type) {
case SerialPortEvent.DATA_AVAILABLE:
log.info("SerialEvent: DATA_AVAILABLE is " + e.getNewValue());
return;
case SerialPortEvent.OUTPUT_BUFFER_EMPTY:
log.info("SerialEvent: OUTPUT_BUFFER_EMPTY is " + e.getNewValue());
return;
case SerialPortEvent.CTS:
log.info("SerialEvent: CTS is " + e.getNewValue());
return;
case SerialPortEvent.DSR:
log.info("SerialEvent: DSR is " + e.getNewValue());
return;
case SerialPortEvent.RI:
log.info("SerialEvent: RI is " + e.getNewValue());
return;
case SerialPortEvent.CD:
log.info("SerialEvent: CD is " + e.getNewValue());
return;
case SerialPortEvent.OE:
log.info("SerialEvent: OE (overrun error) is " + e.getNewValue());
return;
case SerialPortEvent.PE:
log.info("SerialEvent: PE (parity error) is " + e.getNewValue());
return;
case SerialPortEvent.FE:
log.info("SerialEvent: FE (framing error) is " + e.getNewValue());
return;
case SerialPortEvent.BI:
log.info("SerialEvent: BI (break interrupt) is " + e.getNewValue());
return;
default:
log.info("SerialEvent of unknown type: " + type + " value: " + e.getNewValue());
return;
}
}
});
try {
activeSerialPort.notifyOnFramingError(true);
} catch (Exception e) {
log.debug("Could not notifyOnFramingError: " + e);
}
try {
activeSerialPort.notifyOnBreakInterrupt(true);
} catch (Exception e) {
log.debug("Could not notifyOnBreakInterrupt: " + e);
}
try {
activeSerialPort.notifyOnParityError(true);
} catch (Exception e) {
log.debug("Could not notifyOnParityError: " + e);
}
try {
activeSerialPort.notifyOnOverrunError(true);
} catch (Exception e) {
log.debug("Could not notifyOnOverrunError: " + e);
}
}
opened = true;
} catch (gnu.io.NoSuchPortException p) {
return handlePortNotFound(p, portName, log);
} catch (Exception ex) {
log.error("Unexpected exception while opening port " + portName + " trace follows: " + ex);
ex.printStackTrace();
return "Unexpected error while opening port " + portName + ": " + ex;
}
// normal operation
return null;
}
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