那么,一种编程方法就是打开相关设备,然后开始在它们之间转发数据,同时保存到文件中。
大多数任何语言都可以做到。对于 java 和 python 之类的东西有很好的库。
网络上存在多种实现,我通过谷歌搜索找到了一种名为 Telnet Serial Bridge (TSB) 的 Python 实现,它允许您通过以太网桥接连接,并使用 putty 等 telnet 工具进行日志记录。
虽然在过去,我使用过 java rxtx 串行通信库rxtx.qbang.org http://rxtx.qbang.org/wiki/index.php/Main_Page我自己来做,尽管我怀疑现在有更新的版本,或者可能是 JVM 中内置的东西。
改编自该网站上的示例:
import gnu.io.CommPort;
import gnu.io.CommPortIdentifier;
import gnu.io.SerialPort;
import java.io.FileDescriptor;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
public class TwoWaySerialComm
{
void bridge( String portName1, String portName2 ) throws Exception
{
CommPortIdentifier portIdentifier1 = CommPortIdentifier.getPortIdentifier(portName1);
CommPortIdentifier portIdentifier2 = CommPortIdentifier.getPortIdentifier(portName2);
if ( portIdentifier1.isCurrentlyOwned() || portIdentifier2.isCurrentlyOwned())
{
System.out.println("Error: Port is currently in use");
}
else
{
CommPort commPort1 = portIdentifier1.open(this.getClass().getName(),2000);
CommPort commPort2 = portIdentifier2.open(this.getClass().getName(),2000);
if ( commPort instanceof SerialPort && commPort2 instanceof SerialPort )
{
SerialPort serialPort1 = (SerialPort) commPort1;
serialPort1.setSerialPortParams(57600,SerialPort.DATABITS_8,SerialPort.STOPBITS_1,SerialPort.PARITY_NONE);
InputStream in1 = serialPort1.getInputStream();
OutputStream out1 = serialPort1.getOutputStream();
SerialPort serialPort2 = (SerialPort) commPort2;
serialPort2.setSerialPortParams(57600,SerialPort.DATABITS_8,SerialPort.STOPBITS_1,SerialPort.PARITY_NONE);
InputStream in2 = serialPort2.getInputStream();
OutputStream out2 = serialPort2.getOutputStream();
(new Thread(new SerialReader(in1, out2))).start();
(new Thread(new SerialReader(in2, out1))).start();
}
else
{
System.out.println("Error: Only serial ports are handled by this example.");
}
}
}
/** */
public static class SerialReaderWriter implements Runnable
{
InputStream in;
OutputStream out;
public SerialReader ( InputStream in, OutputStream out )
{
this.in = in;
this.out = out;
}
public void run ()
{
byte[] buffer = new byte[1024];
int len = -1;
try
{
while ( ( len = this.in.read(buffer)) > -1 )
{
out.write(buffer,0, len);
System.out.print(new String(buffer,0,len));
}
}
catch ( IOException e )
{
e.printStackTrace();
}
}
}
public static void main ( String[] args )
{
try
{
(new TwoWaySerialComm()).bridge("COM1", "COM3");
}
catch ( Exception e )
{
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}