private void openPort() {
String port = (String) m_properties.get(SERIAL_DEVICE_PROP_NAME);
if (port == null) {
s_logger.info("Port name not configured");
return;
}
int baudRate = Integer.valueOf((String) m_properties.get(SERIAL_BAUDRATE_PROP_NAME));
int dataBits = Integer.valueOf((String) m_properties.get(SERIAL_DATA_BITS_PROP_NAME));
int stopBits = Integer.valueOf((String) m_properties.get(SERIAL_STOP_BITS_PROP_NAME));
String sParity = (String) m_properties.get(SERIAL_PARITY_PROP_NAME);
int parity = CommURI.PARITY_NONE;
if (sParity.equals("none")) {
parity = CommURI.PARITY_NONE;
} else if (sParity.equals("odd")) {
parity = CommURI.PARITY_ODD;
} else if (sParity.equals("even")) {
parity = CommURI.PARITY_EVEN;
}
String uri =
new CommURI.Builder(port)
.withBaudRate(baudRate)
.withDataBits(dataBits)
.withStopBits(stopBits)
.withParity(parity)
.withTimeout(1000)
.build()
.toString();
try {
m_commConnection = (CommConnection) m_connectionFactory.createConnection(uri, 1, false);
m_commIs = m_commConnection.openInputStream();
m_commOs = m_commConnection.openOutputStream();
// m_commBr = new BufferedReader(new InputStreamReader(m_commIs));
// m_commBw = new BufferedWriter(new OutputStreamWriter(m_commOs));
s_logger.info(port + " open");
} catch (IOException e) {
s_logger.error("Failed to open port", e);
cleanupPort();
}
}
public SerialCommunicate(ConnectionFactory connFactory, Properties connectionConfig)
throws PositionException {
s_logger.debug("Configure serial connection");
connConfig = connectionConfig;
String sPort;
String sBaud;
String sStop;
String sParity;
String sBits;
if (((sPort = connectionConfig.getProperty("port")) == null)
|| ((sBaud = connectionConfig.getProperty("baudRate")) == null)
|| ((sStop = connectionConfig.getProperty("stopBits")) == null)
|| ((sParity = connectionConfig.getProperty("parity")) == null)
|| ((sBits = connectionConfig.getProperty("bitsPerWord")) == null))
throw new PositionException("Invalid serial port configuration");
int baud = Integer.valueOf(sBaud).intValue();
int stop = Integer.valueOf(sStop).intValue();
int parity = Integer.valueOf(sParity).intValue();
int bits = Integer.valueOf(sBits).intValue();
String uri =
new CommURI.Builder(sPort)
.withBaudRate(baud)
.withDataBits(bits)
.withStopBits(stop)
.withParity(parity)
.withTimeout(2000)
.build()
.toString();
try {
conn = (CommConnection) connFactory.createConnection(uri, 1, false);
} catch (IOException e1) {
throw new PositionException("Invalid GPS serial Port", e1);
}
// get the streams
try {
in = conn.openInputStream();
conn.openOutputStream();
} catch (Exception e) {
throw new PositionException("input stream", e);
}
// clean up if this is not our first run
if ((m_task != null) && (!m_task.isDone())) {
s_logger.debug("SerialCommunicate() :: Cancelling GpsSerialCommunicate task ...");
m_task.cancel(true);
s_logger.info(
"SerialCommunicate() :: GpsSerialCommunicate task cancelled? = {}", m_task.isDone());
m_task = null;
}
m_executor = Executors.newSingleThreadScheduledExecutor();
m_task =
m_executor.scheduleAtFixedRate(
new Runnable() {
@Override
public void run() {
Thread.currentThread().setName("GpsSerialCommunicate");
doPollWork();
}
},
0,
20,
TimeUnit.MILLISECONDS);
}
public SerialCommunicate(ConnectionFactory connFactory, Properties connectionConfig)
throws ModbusProtocolException {
s_logger.debug("Configure serial connection");
String sPort;
String sBaud;
String sStop;
String sParity;
String sBits;
String gpioSwitchPin = null;
String gpioRsModePin = null;
if (((sPort = connectionConfig.getProperty("port")) == null)
|| ((sBaud = connectionConfig.getProperty("baudRate")) == null)
|| ((sStop = connectionConfig.getProperty("stopBits")) == null)
|| ((sParity = connectionConfig.getProperty("parity")) == null)
|| ((sBits = connectionConfig.getProperty("bitsPerWord")) == null))
throw new ModbusProtocolException(ModbusProtocolErrorCode.INVALID_CONFIGURATION);
int baud = Integer.valueOf(sBaud).intValue();
int stop = Integer.valueOf(sStop).intValue();
int parity = Integer.valueOf(sParity).intValue();
int bits = Integer.valueOf(sBits).intValue();
if (connectionConfig.getProperty("serialMode") != null) {
m_serial485 = (connectionConfig.getProperty("serialMode") == SERIAL_485);
if (m_serial485) {
if (((gpioSwitchPin = connectionConfig.getProperty("serialGPIOswitch")) == null)
|| ((gpioRsModePin = connectionConfig.getProperty("serialGPIOrsmode")) == null))
throw new ModbusProtocolException(ModbusProtocolErrorCode.INVALID_CONFIGURATION);
}
}
String uri =
new CommURI.Builder(sPort)
.withBaudRate(baud)
.withDataBits(bits)
.withStopBits(stop)
.withParity(parity)
.withTimeout(2000)
.build()
.toString();
try {
conn = (CommConnection) connFactory.createConnection(uri, 1, false);
} catch (IOException e1) {
throw new ModbusProtocolException(ModbusProtocolErrorCode.CONNECTION_FAILURE, e1);
}
if (m_serial485) {
setupSerialGpio(gpioRsModePin, gpioSwitchPin);
}
// get the streams
try {
in = conn.openInputStream();
out = conn.openOutputStream();
if (m_serial485)
gpioModeSwitch = new FileWriter(new File("/sys/class/gpio/" + gpioSwitchPin + "/value"));
} catch (Exception e) {
throw new ModbusProtocolException(ModbusProtocolErrorCode.CONNECTION_FAILURE, e);
}
}