/**
* This creates an mbed object for an mbed connected over Serial. <br>
* Using this class requires the Sun Communications API to be installed
*
* @param PortName The Serial Port mbed is connected to eg "COM5" on Windows.
* @param Baud The baud rate
*/
public SerialRPC(String PortName, int Baud) {
// open serial port
try {
mbedPortID = CommPortIdentifier.getPortIdentifier(PortName);
mbedPort = mbedPortID.open("mbed", 100000);
mbedSerialPort = (SerialPort) mbedPort;
mbedSerialPort.setSerialPortParams(
Baud, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE);
inputStream = new DataInputStream(mbedPort.getInputStream());
outputStream = new PrintStream(mbedPort.getOutputStream(), true);
reader = new BufferedReader(new InputStreamReader(inputStream));
to_mbed = new PrintWriter(outputStream, true);
mbedSerialPort.addEventListener(this);
// Important to set this regardless of whether interrupts are in use to keep the buffer clear
mbedSerialPort.notifyOnDataAvailable(true);
} catch (TooManyListenersException e) {
// Error adding event listener
System.out.println("Too many Event Listeners");
} catch (NoSuchPortException e) {
System.out.println("No Such Port");
} catch (PortInUseException e) {
System.out.println("Port Already In Use");
} catch (UnsupportedCommOperationException e) {
System.out.println("Unsupported Comm Operation");
} catch (IOException e) {
System.out.println("Serial Port IOException");
}
}
/** Close the serial port. */
public void delete() {
// Close the serial port
try {
if (inputStream != null) inputStream.close();
outputStream.close();
} catch (IOException e) {
}
mbedSerialPort.removeEventListener();
mbedSerialPort.close();
mbedPort.close();
}
/**
* @return A HashSet containing the CommPortIdentifier for all serial ports that are not currently
* being used.
*/
@SuppressWarnings({"rawtypes"})
private static HashSet<CommPortIdentifier> getAvailableSerialPorts() {
HashSet<CommPortIdentifier> h = new HashSet<CommPortIdentifier>();
Enumeration thePorts = CommPortIdentifier.getPortIdentifiers();
while (thePorts.hasMoreElements()) {
CommPortIdentifier com = (CommPortIdentifier) thePorts.nextElement();
switch (com.getPortType()) {
case CommPortIdentifier.PORT_SERIAL:
try {
CommPort thePort = com.open("CommUtil", 50);
thePort.close();
h.add(com);
} catch (PortInUseException e) {
System.out.println("Port, " + com.getName() + ", is in use.");
} catch (Exception e) {
System.err.println("Failed to open port " + com.getName());
e.printStackTrace();
}
}
}
return h;
}
public void run() {
try {
join1.join();
join2.join();
// execution stops until both these thread finish
} catch (InterruptedException e) {
}
try {
thePort.close();
} catch (Exception e) {
// the port's probably already been closed
}
}
/** @param data */
@Override
protected void internalWrite(byte[] data) {
try {
if (m_out == null) {
m_PortIdPrinter =
CommPortIdentifier.getPortIdentifier(
m_sPortPrinter); // Tomamos el puerto
m_CommPortPrinter = m_PortIdPrinter.open("PORTID", 2000); // Abrimos el puerto
m_out = m_CommPortPrinter.getOutputStream(); // Tomamos el chorro de escritura
if (m_PortIdPrinter.getPortType() == CommPortIdentifier.PORT_SERIAL) {
((SerialPort) m_CommPortPrinter)
.setSerialPortParams(
9600,
SerialPort.DATABITS_8,
SerialPort.STOPBITS_1,
SerialPort.PARITY_NONE); // Configuramos el puerto
((SerialPort) m_CommPortPrinter)
.setFlowControlMode(
SerialPort
.FLOWCONTROL_RTSCTS_IN); // this line prevents the printer tmu220 to stop
// printing after +-18 lines printed
// this line prevents the printer tmu220 to stop printing after +-18 lines printed. Bug
// 8324
// But if added a regression error appears. Bug 9417, Better to keep it commented.
// ((SerialPort)m_CommPortPrinter).setFlowControlMode(SerialPort.FLOWCONTROL_RTSCTS_IN);
// Not needed to set parallel properties
// } else if (m_PortIdPrinter.getPortType() ==
// CommPortIdentifier.PORT_PARALLEL) {
// ((ParallelPort)m_CommPortPrinter).setMode(1);
}
}
m_out.write(data);
// JG 16 May 12 use multicatch
} catch (NoSuchPortException
| PortInUseException
| UnsupportedCommOperationException
| IOException e) {
System.err.println(e);
}
}
