Device.java 文件源码

public void connect(String portname, int baudrate, char flowControl) throws Exception {
    Log.debug(this.getClass(), "connecting device "+portname+", "+baudrate+" baud");
       boolean isCommonPortname = portname.contains("ttyS") || portname.contains("COM");
    if ( ! isCommonPortname ) {
           System.setProperty("gnu.io.rxtx.SerialPorts", portname);
       }
    System.setProperty("gnu.io.rxtx.NoVersionOutput", "true");
    CommPortIdentifier commPortIdentifier = CommPortIdentifier.getPortIdentifier(portname);
    CommPort commPort = commPortIdentifier.open("tc65sh", 2000);
    serialPort = (SerialPort) commPort;
    serialPort.setSerialPortParams(baudrate, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE);
    serialPort.enableReceiveTimeout(2000);
    if ( flowControl == FLOWCONTROL_NONE ) {
        serialPort.setFlowControlMode(SerialPort.FLOWCONTROL_NONE);
    } else if ( flowControl == FLOWCONTROL_RTSCTS) {
        serialPort.setFlowControlMode(SerialPort.FLOWCONTROL_RTSCTS_OUT | SerialPort.FLOWCONTROL_RTSCTS_IN);
    } else if ( flowControl == FLOWCONTROL_XONXOFF) {
        serialPort.setFlowControlMode(SerialPort.FLOWCONTROL_XONXOFF_OUT | SerialPort.FLOWCONTROL_XONXOFF_IN);
    } else {
        throw new RuntimeException("invalid flowControl "+flowControl);
    }
    serialIn = serialPort.getInputStream();
    serialOut = serialPort.getOutputStream();
}