飞思卡尔简易路径检测上位机（JAVA写的）

Code:

1. importjava.io.*;
2. importjava.util.*;
3. importjavax.comm.*;
4. importjavax.swing.*;
5. importjava.awt.*;
6. importjava.awt.event.*;
8. publicclassSimpleReadimplementsRunnable,SerialPortEventListener{
9. staticCommPortIdentifierportId;
10. staticEnumerationportList;
12. InputStreaminputStream;
13. SerialPortserialPort;
14. ThreadreadThread;
15. introadData=250;
17. JFrameframe;
19. classserialPaintextendsJPanelimplementsRunnable
20. {
21. publicvoidpaintComponent(GraphicsdrawPaint)
22. {
23. drawPaint.setColor(Color.blue);
24. //drawPaint.fillRect(roadData,20,20,20);
25. drawPaint.fillOval(roadData,250,10,10);
26. }
28. publicvoidrun()
29. {
30. go();
31. }
33. publicvoidgo()
34. {
35. while(true)
36. {
37. //roadData++;
38. System.out.println(roadData);
39. try{
40. Thread.sleep(30);
41. }catch(InterruptedExceptione){
42. //TODOAuto-generatedcatchblock
43. e.printStackTrace();
44. }
45. frame.repaint();
46. }
47. }
48. }
49. publicvoidui()
50. {
51. frame=newJFrame();
52. frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
53. serialPaintserialpaint=newserialPaint();
54. frame.add(serialpaint);
55. frame.setSize(500,500);
56. frame.setVisible(true);
57. }
58. publicvoidserialThread()
59. {
60. RunnableserialRunnable=newserialPaint();
61. ThreadthreadS=newThread(serialRunnable);
62. threadS.start();
63. }
66. publicstaticvoidmain(String[]args){
67. //
69. portList=CommPortIdentifier.getPortIdentifiers();
71. //SimpleReadserialui=newSimpleRead();
72. //serialui.ui();
73. //serialui.serialThread();
75. while(portList.hasMoreElements()){
76. portId=(CommPortIdentifier)portList.nextElement();
77. if(portId.getPortType()==CommPortIdentifier.PORT_SERIAL){
78. if(portId.getName().equals("COM2")){
79. //if(portId.getName().equals("/dev/term/a")){
80. SimpleReadreader=newSimpleRead();
81. reader.ui();
82. reader.serialThread();
84. }
85. }
86. }
87. }
89. publicSimpleRead(){
90. try{
91. serialPort=(SerialPort)portId.open("SimpleReadApp",2000);
92. }catch(PortInUseExceptione){}
93. try{
94. inputStream=serialPort.getInputStream();
95. }catch(IOExceptione){}
96. try{
97. serialPort.addEventListener(this);
98. }catch(TooManyListenersExceptione){}
99. serialPort.notifyOnDataAvailable(true);
100. try{
101. serialPort.setSerialPortParams(9600,
102. SerialPort.DATABITS_8,
103. SerialPort.STOPBITS_1,
104. SerialPort.PARITY_NONE);
105. }catch(UnsupportedCommOperationExceptione){}
106. readThread=newThread(this);
107. readThread.start();
108. }
110. publicvoidrun(){
111. try{
112. Thread.sleep(20000);
113. }catch(InterruptedExceptione){}
114. }
116. publicvoidserialEvent(SerialPortEventevent){
117. switch(event.getEventType()){
118. caseSerialPortEvent.BI:
119. caseSerialPortEvent.OE:
120. caseSerialPortEvent.FE:
121. caseSerialPortEvent.PE:
122. caseSerialPortEvent.CD:
123. caseSerialPortEvent.CTS:
124. caseSerialPortEvent.DSR:
125. caseSerialPortEvent.RI:
126. caseSerialPortEvent.OUTPUT_BUFFER_EMPTY:
127. break;
128. caseSerialPortEvent.DATA_AVAILABLE:
129. byte[]readBuffer=newbyte[1];
131. try{
132. while(inputStream.available()>0){
133. intnumBytes=inputStream.read(readBuffer);
134. }
135. System.out.print(newString(readBuffer));
136. roadData=readBuffer[0];
137. }catch(IOExceptione){}
138. break;
139. }
140. }
141. }