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 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();
}
}
// 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");
}
}
/*
* 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);
}
/** @see com.svhelloworld.knotlog.engine.sources.StreamedSource#open() */
@Override
public InputStream open() {
try {
// make sure the specified port is available
CommPortIdentifier identifier = CommPortIdentifier.getPortIdentifier(config.getName());
if (identifier.isCurrentlyOwned()) {
throw new SerialPortOccupiedException(
config.getName() + " port is currently opened by another application");
}
// open up the port
CommPort port = identifier.open(getOwnerName(), PORT_TIMEOUT);
if (port instanceof SerialPort) {
// configure serial port
serialPort = (SerialPort) port;
serialPort.setSerialPortParams(
config.getBaudRate(),
config.getDataBits().getRXTXConstant(),
config.getStopBit().getRXTXConstant(),
config.getParity().getRXTXConstant());
/*
* the following 2 lines fix the exception:
* "IOException: Underlying input stream returned zero bytes"
* that is thrown when we read from the InputStream.
*/
serialPort.enableReceiveTimeout(PORT_TIMEOUT);
serialPort.enableReceiveThreshold(0);
InputStream is = serialPort.getInputStream();
return is;
}
// not a serial port
throw new SerialPortException("must operate against a serial port");
} catch (PortInUseException e) {
throw new SerialPortOccupiedException(e.getMessage(), e);
} catch (Exception e) {
throw new SerialPortException(e.getMessage(), e);
}
}
/**
* python example def transmit_to_widget(label, data, data_size): ser.write(chr(SOM_VALUE))
* ser.write(chr(label)) ser.write(chr(data_size & 0xFF)) // lsb ser.write(chr((data_size >> 8) &
* 0xFF)) // msb for j in range(data_size): ser.write(data[j]) ser.write(chr(EOM_VALUE))
*/
private void write() {
char som = 0x7E;
char eom = 0xE7;
char label = 6; // 10 serial , 6 send
Integer[] chan = getChannelData();
int data_size = chan.length;
char clsb = (char) (data_size & 0xFF);
char cmsb = (char) ((data_size >> 8) & 0xFF);
byte lsb = (byte) clsb;
byte msb = (byte) cmsb;
ArrayList<Byte> ab = new ArrayList<Byte>();
ab.add((byte) som); // start delimter
ab.add((byte) label); // label - whats happening
ab.add(lsb); // start byte
ab.add(msb); // mast
for (int i = 0; i < data_size; i++) {
ab.add(chan[i].byteValue());
}
ab.add((byte) eom);
// Byte[] messageString = new Byte[ab.size()];
// messageString = ab.toArray(messageString);
byte[] messageString = new byte[ab.size()];
for (int i = 0; i < ab.size(); i++) {
messageString[i] = ab.get(i);
}
// debug in hex
debugBytes(messageString);
boolean portFound = false;
String defaultPort = "/dev/ttyUSB0";
portList = CommPortIdentifier.getPortIdentifiers();
while (portList.hasMoreElements()) {
portId = (CommPortIdentifier) portList.nextElement();
if (portId.getPortType() == CommPortIdentifier.PORT_SERIAL) {
if (portId.getName().equals(defaultPort)) {
System.out.println("Found port " + defaultPort);
portFound = true;
try {
serialPort = (SerialPort) portId.open("SimpleWrite", 2000);
} catch (PortInUseException e) {
System.out.println("Port in use.");
e.printStackTrace();
continue;
}
try {
outputStream = serialPort.getOutputStream();
} catch (IOException e) {
e.printStackTrace();
}
try {
serialPort.setSerialPortParams(
57600, 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());
e.printStackTrace();
System.exit(-1);
}
System.out.println("Writing \"" + messageString + "\" to " + serialPort.getName());
try {
outputStream.write(messageString);
} catch (IOException e) {
e.printStackTrace();
}
try {
Thread.sleep(2000); // Be sure data is xferred before closing
} catch (Exception e) {
e.printStackTrace();
}
serialPort.close();
System.exit(1);
}
}
}
if (!portFound) {
System.out.println("port " + defaultPort + " not found.");
}
}
/** 通过串口向单片机写入数据 */
public boolean portWrite() {
boolean notFinished = true;
try {
// get port ID
CommPortIdentifier portId = CommPortIdentifier.getPortIdentifier(this.portName);
// open port(port holder, timeout),打开端口（串口所有者，超时等待时间:ms）
try {
this.sPort = (SerialPort) portId.open("可爱的皮卡丘", this.timeout);
// set port(BaudRate,Databits,Stopbits,Parity),设置串口（波特率，数据位，停止位，校验位）
try {
this.sPort.setSerialPortParams(
9600, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE);
} catch (UnsupportedCommOperationException e) {
e.printStackTrace();
}
// 写入数据
OutputStream OS = null;
try {
OS = new BufferedOutputStream(sPort.getOutputStream());
} catch (IOException e) {
e.printStackTrace();
}
// 选择操作
System.out.println("选择一下操作： 静止按1； 前进按2； 后退按3; 结束操作按4.");
int command = s.nextInt();
switch (command) {
case 1:
try {
OS.write(this.stop);
} catch (IOException e) {
e.printStackTrace();
}
break;
case 2:
try {
OS.write(this.forward);
} catch (IOException e) {
e.printStackTrace();
}
break;
case 3:
try {
OS.write(this.backward);
} catch (IOException e) {
e.printStackTrace();
}
break;
case 4:
notFinished = false;
break;
}
try {
OS.close();
} catch (IOException e) {
e.printStackTrace();
}
this.sPort.close();
} catch (PortInUseException e) {
e.printStackTrace();
}
} catch (NoSuchPortException e) {
e.printStackTrace();
}
return notFinished;
}
/**
* 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