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();
}
}
/** 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;
}