nxtOSEK/lejos_nxj/src/java/pccomms/lejos/pc/comm/NXTCommFantom.java

   1 package lejos.pc.comm;
   2
   3 import java.io.*;
   4
   5 public class NXTCommFantom implements NXTComm {
   6         private NXTInfo nxtInfo;
   7
   8         public native String[] jfantom_find();
   9         public native int jfantom_open(String nxt);
  10         public native void jfantom_close(int nxt);
  11         public native void jfantom_send_data(int nxt, byte [] message, int len, int replyLen);
  12         public native byte[] jfantom_read_data(int nxt, int len);
  13
  14         public NXTInfo[] search(String name, int protocol) {
  15                 String[] nxtNames = jfantom_find();
  16                 NXTInfo[] nxtInfo = new NXTInfo[nxtNames.length];
  17                 for(int i=0;i<nxtNames.length;i++) {
  18                         nxtInfo[i] = new NXTInfo();
  19                         String nxtName = nxtNames[i];
  20                         nxtInfo[i].btResourceString = nxtName;
  21                         nxtInfo[i].name = "Unknown";
  22                         nxtInfo[i].protocol = NXTCommFactory.USB;
  23                         nxtInfo[i].btDeviceAddress = "";
  24                         if (nxtName != null) {
  25                             if (nxtName.length() >= 3 && nxtName.substring(0,3).equals("BTH"))
  26                                 nxtInfo[i].protocol = NXTCommFactory.BLUETOOTH;
  27                             int startName = nxtName.indexOf("::");
  28                             if (startName >= 0) startName +=2;
  29                             int endName = -1;
  30                             if (startName != -1) endName = nxtName.indexOf("::", startName);
  31                             if (startName >= 0 && endName >= 0) {
  32                                 nxtInfo[i].name = nxtName.substring(startName, endName);
  33                             nxtInfo[i].btDeviceAddress = nxtName.substring(endName+2);
  34                             }
  35                         }
  36                 }
  37                 return nxtInfo;
  38         }
  39
  40         public boolean open(NXTInfo nxtInfo) {
  41                 this.nxtInfo = nxtInfo;
  42                 nxtInfo.nxtPtr = jfantom_open(nxtInfo.btResourceString);
  43                 return true;
  44         }
  45
  46         public void close() {
  47                 jfantom_close(nxtInfo.nxtPtr);
  48         }
  49
  50         public byte [] sendRequest(byte [] data, int replyLen) {
  51                 jfantom_send_data(nxtInfo.nxtPtr, data, data.length, replyLen-1);
  52                 return jfantom_read_data(nxtInfo.nxtPtr, replyLen);
  53         }
  54
  55         public byte [] read() throws IOException {
  56                 throw new IOException("Not implemented");
  57         }
  58
  59         public void write(byte [] data) throws IOException {
  60                 throw new IOException("Not implemented");
  61         }
  62
  63         public OutputStream getOutputStream() {
  64                 return null;
  65         }
  66
  67         public InputStream getInputStream() {
  68                 return null;
  69         }
  70
  71         static {
  72                 System.loadLibrary("jfantom");
  73         }
  74
  75 }
  76