Android Open Source - MuseLogger Muse Connector

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Back to project page MuseLogger.

License

The source code is released under:

MIT License

Java Source Code

package com.chrisplus.muselogger;
//ww  w  .  ja  va  2 s .c  o  m
import java.io.IOException;
import java.io.OutputStream;
import java.nio.charset.StandardCharsets;
import java.util.Set;
import java.util.UUID;

import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothSocket;

public class MuseConnector {

  private BluetoothDevice currentDevice;
  private BluetoothSocket socket;

  public MuseConnector() {
    socket = null;
    Set<BluetoothDevice> devices = BluetoothUtils.findPaired();

    for (BluetoothDevice device : devices) {
      if (device.getName().equalsIgnoreCase("muse")) {
        currentDevice = device;
        break;
      }
    }
  }

  public boolean connect() {
    if (currentDevice == null) {
      return false;
    }

    BluetoothSocket tmp = null;

    try {
      tmp = currentDevice.createRfcommSocketToServiceRecord(UUID
          .fromString("00001101-0000-1000-8000-00805F9B34FB"));
      tmp.connect();

      if (tmp.isConnected()) {
        socket = tmp;
        return true;
      } else {
        return false;
      }

    } catch (IOException e) {
      return false;
    }
  }

  public BluetoothSocket getReader() {
    return socket;
  }

  public void startStreaming() {
    if (socket != null && socket.isConnected()) {

      try {
        OutputStream writer = socket.getOutputStream();

        writer.write(getByte("h\n"));
        writer.flush();

        writer.write(getByte("v 2\n"));
        writer.flush();

        writer.write(getByte("% 14\n"));
        writer.flush();
        writer.write(getByte("?\n"));
        writer.flush();
        writer.write(getByte("s\n"));
        writer.flush();

      } catch (IOException e) {
        e.printStackTrace();
      }

    }
  }

  public void stopStreaming() {
    if (socket != null && socket.isConnected()) {
      try {
        OutputStream writer = socket.getOutputStream();

        writer.write(getByte("h\n"));
        writer.flush();

      } catch (IOException e) {
        e.printStackTrace();
      }
    }
  }

  public void keepStreaming() {
    if (socket != null && socket.isConnected()) {
      try {
        OutputStream writer = socket.getOutputStream();
        writer.write(getByte("k\n"));
        writer.flush();

      } catch (IOException e) {
        e.printStackTrace();
      }
    }
  }

  public void close() {
    stopStreaming();

    if (socket != null) {
      try {
        socket.close();
      } catch (IOException e) {
        e.printStackTrace();
      }
    }
  }

  public static byte[] getByte(String message) {
    return message.getBytes(StandardCharsets.US_ASCII);
  }

}

Java Source Code List

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