飞思卡尔简易路径检测上位机（JAVA写的）

importjava.io.*;
importjava.util.*;
importjavax.comm.*;
importjavax.swing.*;
importjava.awt.*;
importjava.awt.event.*;

publicclassSimpleReadimplementsRunnable,SerialPortEventListener{
staticCommPortIdentifierportId;
staticEnumerationportList;

InputStreaminputStream;
SerialPortserialPort;
ThreadreadThread;
introadData=250;

JFrameframe;

classserialPaintextendsJPanelimplementsRunnable
{
publicvoidpaintComponent(GraphicsdrawPaint)
{
drawPaint.setColor(Color.blue);
//drawPaint.fillRect(roadData,20,20,20);
drawPaint.fillOval(roadData,250,10,10);
}

publicvoidrun()
{
go();
}

publicvoidgo()
{
while(true)
{
//roadData++;
System.out.println(roadData);
try{
Thread.sleep(30);
}catch(InterruptedExceptione){
//TODOAuto-generatedcatchblock
e.printStackTrace();
}
frame.repaint();
}
}
}
publicvoidui()
{
frame=newJFrame();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
serialPaintserialpaint=newserialPaint();
frame.add(serialpaint);
frame.setSize(500,500);
frame.setVisible(true);
}
publicvoidserialThread()
{
RunnableserialRunnable=newserialPaint();
ThreadthreadS=newThread(serialRunnable);
threadS.start();
}


publicstaticvoidmain(String[]args){
//

portList=CommPortIdentifier.getPortIdentifiers();

//SimpleReadserialui=newSimpleRead();
//serialui.ui();
//serialui.serialThread();

while(portList.hasMoreElements()){
portId=(CommPortIdentifier)portList.nextElement();
if(portId.getPortType()==CommPortIdentifier.PORT_SERIAL){
if(portId.getName().equals("COM2")){
//if(portId.getName().equals("/dev/term/a")){
SimpleReadreader=newSimpleRead();
reader.ui();
reader.serialThread();

}
}
}
}

publicSimpleRead(){
try{
serialPort=(SerialPort)portId.open("SimpleReadApp",2000);
}catch(PortInUseExceptione){}
try{
inputStream=serialPort.getInputStream();
}catch(IOExceptione){}
try{
serialPort.addEventListener(this);
}catch(TooManyListenersExceptione){}
serialPort.notifyOnDataAvailable(true);
try{
serialPort.setSerialPortParams(9600,
SerialPort.DATABITS_8,
SerialPort.STOPBITS_1,
SerialPort.PARITY_NONE);
}catch(UnsupportedCommOperationExceptione){}
readThread=newThread(this);
readThread.start();
}

publicvoidrun(){
try{
Thread.sleep(20000);
}catch(InterruptedExceptione){}
}

publicvoidserialEvent(SerialPortEventevent){
switch(event.getEventType()){
caseSerialPortEvent.BI:
caseSerialPortEvent.OE:
caseSerialPortEvent.FE:
caseSerialPortEvent.PE:
caseSerialPortEvent.CD:
caseSerialPortEvent.CTS:
caseSerialPortEvent.DSR:
caseSerialPortEvent.RI:
caseSerialPortEvent.OUTPUT_BUFFER_EMPTY:
break;
caseSerialPortEvent.DATA_AVAILABLE:
byte[]readBuffer=newbyte[1];

try{
while(inputStream.available()>0){
intnumBytes=inputStream.read(readBuffer);
}
System.out.print(newString(readBuffer));
roadData=readBuffer[0];
}catch(IOExceptione){}
break;
}
}
}