1 | import java.io.*;
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2 | import gnu.io.CommPort;
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3 | import gnu.io.CommPortIdentifier;
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4 | import gnu.io.SerialPort;
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5 | import gnu.io.NoSuchPortException;
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6 | import gnu.io.PortInUseException;
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7 | import gnu.io.UnsupportedCommOperationException;
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8 |
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9 | /**
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10 | *
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11 | * @author
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12 | */
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13 | public class UsbStick {
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14 |
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15 | private static SerialPort serialPort = null;
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16 |
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17 |
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18 | public void dateiBeschreiben(String zeile){
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19 | ...
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20 | }
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21 |
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22 | public void verbinden(){
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23 | CommPortIdentifier portIdentifier = null;
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24 | CommPort commPort = null;
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25 |
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26 | try{
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27 | portIdentifier = CommPortIdentifier.getPortIdentifier("/dev/ttyUSB0");
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28 | }catch(NoSuchPortException e){
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29 | System.out.println(e);
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30 | }
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31 |
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32 | //Open the port and give the port name and a timeout
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33 | try{
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34 | commPort = portIdentifier.open("/dev/ttyUSB0", 2000); //Warning: Dereferencing possible null pointer
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35 | }catch(PortInUseException e){
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36 | System.out.println(e);
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37 | }
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38 |
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39 |
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40 | this.serialPort = (SerialPort) commPort; //Warning: Accessing static field serialPort
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41 |
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42 | //Set the baud rate and other parameters of the serial port
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43 | try{
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44 | this.serialPort.setSerialPortParams(115200, 8, 1, 0); //Warning: Accessing static field serialPort
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45 |
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46 | }catch(UnsupportedCommOperationException e){
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47 | System.out.println(e);
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48 | }
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49 | }
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50 |
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51 | /**
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52 | * @param args the command line arguments
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53 | */
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54 | public static void main(String[] args){
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55 | // TODO code application logic here
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56 | UsbStick beschreiben = new UsbStick();
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57 |
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58 | beschreiben.verbinden();
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59 |
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60 |
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61 | InputStream in = null; //Warning: The assigned value is never used
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62 | String zeile = null; //Warning: The assigned value is never used
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63 | BufferedReader reader = null; //Warning: The assigned value is never used
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64 | while(true){
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65 |
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66 | in = this.serialPort.getInputStream(); //Error: non static variable this cannot be referenced from a static context
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67 | if (in != null){
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68 | try{
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69 | reader = new BufferedReader(new InputStreamReader(in));
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70 | zeile = reader.readLine();
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71 | System.out.println(zeile);
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72 | beschreiben.dateiBeschreiben(zeile);
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73 | }catch(IOException e){
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74 | System.out.println("IOException");
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75 | }
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76 | }
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77 | }
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78 | }
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79 | }
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