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();
}
}
// 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);
}
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
