Hi!

I'm trying to connect to Zeemote (http://zeemote.com/) gaming controller
from Moto Droid running 2.0.1 firmware. The test application below does
connect to the device (LED flashes) but connection is dropped immediately. I
can connect to the device perfectly fine using bluez tools (log attached as
well).

I'm quite at a loss here, I work on it for so long that I ran out of ideas
so any help would be very much appreciated.

Btw, looks like this issue is somewhat similar to
http://groups.google.com/group/android-developers/browse_thread/thread/a7ff7771ae3be1c/6f8bb2bc0300806c?hl=en&lnk=gst&q=bluetooth+connecting#6f8bb2bc0300806c

Thanks,
Max

=========================================== Code:

package zee.test;

import java.io.IOException;
import java.io.InputStream;
import java.util.UUID;

import android.app.Activity;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothSocket;
import android.os.Bundle;
import android.util.Log;

public class ZeeTest extends Activity {
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        try {
            test();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public void test() throws IOException {
        BluetoothDevice zee =
BluetoothAdapter.getDefaultAdapter().getRemoteDevice("00:1C:4D:02:A6:55");
        Log.d("ZeeTest", "++++ Creating socket");
        BluetoothSocket sock =
zee.createRfcommSocketToServiceRecord(UUID.fromString("8e1f0cf7-508f-4875-b62c-fbb67fd34812"));
        Log.d("", "++++ Connecting");
        sock.connect();
        Log.d("", "++++ Connected");


        final InputStream in = sock.getInputStream();
        new Thread() {
            @Override
            public void run() {
                byte[] buffer = new byte[32];
                int bytes = 0;
                int x = 0;
                Log.d("", "++++ Listening...");
                while (x < 200) {
                    x++;
                    try {
                        bytes = in.read(buffer);
                        Log.d("ZeeTest", "++++ Read "+ bytes +" bytes");
                    } catch (IOException e) {
                        if (x % 50 == 0) {
                            Log.d("", "Tried "+ x +" times ("+ bytes +")");
                        }
                        try { Thread.sleep(100); } catch
(InterruptedException ie) {}
                    }
                }
                Log.d("ZeeTest", "++++ Done: thread exit");
            }
        }.start();
        Log.d("ZeeTest", "++++ Done: test()");
    }
}


=========================================== Log:

I/ActivityManager( 1169): Start proc zee.test for activity
zee.test/.ZeeTest: pid=4294 uid=10084 gids={3002, 3001, 3003}
I/dalvikvm( 4294): Debugger thread not active, ignoring DDM send
(t=0x41504e4d l=38)
D/dalvikvm( 4287): LinearAlloc 0x0 used 640700 of 5242880 (12%)
I/dalvikvm( 4294): Debugger thread not active, ignoring DDM send
(t=0x41504e4d l=20)
D/ZeeTest ( 4294): ++++ Creating socket
D/        ( 4294): ++++ Connecting
E/BluetoothEventLoop.cpp( 1169): event_filter: Received signal
org.bluez.Device:PropertyChanged from
/org/bluez/1240/hci0/dev_00_1C_4D_02_A6_55
I/usbd    ( 1068): process_usb_uevent_message(): buffer = add@
/devices/virtual/bluetooth/hci0/hci0:1
I/usbd    ( 1068): main(): call select(...)
E/BluetoothEventLoop.cpp( 1169): event_filter: Received signal
org.bluez.Adapter:DeviceFound from /org/bluez/1240/hci0
V/BluetoothEventRedirector( 1242): Received
android.bluetooth.device.action.FOUND
V/BluetoothEventRedirector( 1242): Received
android.bleutooth.device.action.UUID
D/        ( 4294): ++++ Connected
D/ZeeTest ( 4294): ++++ Done: test()
D/        ( 4294): ++++ Listening...
I/ActivityManager( 1169): Displayed activity zee.test/.ZeeTest: 2296 ms
(total 2296 ms)
E/BluetoothEventLoop.cpp( 1169): event_filter: Received signal
org.bluez.Device:PropertyChanged from
/org/bluez/1240/hci0/dev_00_1C_4D_02_A6_55
I/usbd    ( 1068): process_usb_uevent_message(): buffer = remove@
/devices/virtual/bluetooth/hci0/hci0:1
I/usbd    ( 1068): main(): call select(...)
V/BluetoothEventRedirector( 1242): Received
android.bleutooth.device.action.UUID
D/        ( 4294): Tried 50 times (0)
D/        ( 4294): Tried 100 times (0)
D/        ( 4294): Tried 150 times (0)
D/        ( 4294): Tried 200 times (0)
D/ZeeTest ( 4294): ++++ Done: thread exit

=========================================== Terminal log:

$ sdptool browse
Inquiring ...
Browsing 00:1C:4D:02:A6:55 ...

$ sdptool records 00:1C:4D:02:A6:55
Service Name: Zeemote
Service RecHandle: 0x10015
Service Class ID List:
  UUID 128: 8e1f0cf7-508f-4875-b62c-fbb67fd34812
Protocol Descriptor List:
  "L2CAP" (0x0100)
  "RFCOMM" (0x0003)
    Channel: 1
Language Base Attr List:
  code_ISO639: 0x656e
  encoding:    0x6a
  base_offset: 0x100

$ rfcomm connect /dev/tty10 00:1C:4D:02:A6:55
Connected /dev/rfcomm0 to 00:1C:4D:02:A6:55 on channel 1
Press CTRL-C for hangup

# rfcomm show /dev/tty10
rfcomm0: 00:1F:3A:E4:C8:40 -> 00:1C:4D:02:A6:55 channel 1 connected
[reuse-dlc release-on-hup tty-attached]

# cat /dev/tty10
(nothing here)

# hcidump
HCI sniffer - Bluetooth packet analyzer ver 1.42
device: hci0 snap_len: 1028 filter: 0xffffffff
< HCI Command: Create Connection (0x01|0x0005) plen 13
> HCI Event: Command Status (0x0f) plen 4
> HCI Event: Connect Complete (0x03) plen 11
< HCI Command: Read Remote Supported Features (0x01|0x001b) plen 2
> HCI Event: Read Remote Supported Features (0x0b) plen 11
< ACL data: handle 11 flags 0x02 dlen 10
    L2CAP(s): Info req: type 2
> HCI Event: Command Status (0x0f) plen 4
> HCI Event: Page Scan Repetition Mode Change (0x20) plen 7
> HCI Event: Max Slots Change (0x1b) plen 3
< HCI Command: Remote Name Request (0x01|0x0019) plen 10
> HCI Event: Command Status (0x0f) plen 4
> ACL data: handle 11 flags 0x02 dlen 16
    L2CAP(s): Info rsp: type 2 result 0
      Extended feature mask 0x0000
< ACL data: handle 11 flags 0x02 dlen 12
    L2CAP(s): Connect req: psm 3 scid 0x0040
> HCI Event: Number of Completed Packets (0x13) plen 5
> ACL data: handle 11 flags 0x02 dlen 16
    L2CAP(s): Connect rsp: dcid 0x04fb scid 0x0040 result 1 status 2
      Connection pending - Authorization pending
> HCI Event: Remote Name Req Complete (0x07) plen 255
> ACL data: handle 11 flags 0x02 dlen 16
    L2CAP(s): Connect rsp: dcid 0x04fb scid 0x0040 result 0 status 0
      Connection successful
< ACL data: handle 11 flags 0x02 dlen 16
    L2CAP(s): Config req: dcid 0x04fb flags 0x00 clen 4
      MTU 1013
> ACL data: handle 11 flags 0x02 dlen 14
    L2CAP(s): Config rsp: scid 0x0040 flags 0x00 result 0 clen 0
      Success
> ACL data: handle 11 flags 0x02 dlen 16
    L2CAP(s): Config req: dcid 0x0040 flags 0x00 clen 4
      MTU 1013
< ACL data: handle 11 flags 0x02 dlen 18
    L2CAP(s): Config rsp: scid 0x04fb flags 0x00 result 0 clen 4
      MTU 1013
< ACL data: handle 11 flags 0x02 dlen 8
    L2CAP(d): cid 0x04fb len 4 [psm 3]
      RFCOMM(s): SABM: cr 1 dlci 0 pf 1 ilen 0 fcs 0x1c
> HCI Event: Number of Completed Packets (0x13) plen 5
> ACL data: handle 11 flags 0x02 dlen 8
    L2CAP(d): cid 0x0040 len 4 [psm 3]
      RFCOMM(s): UA: cr 1 dlci 0 pf 1 ilen 0 fcs 0xd7
< ACL data: handle 11 flags 0x02 dlen 18
    L2CAP(d): cid 0x04fb len 14 [psm 3]
      RFCOMM(s): PN CMD: cr 1 dlci 0 pf 0 ilen 10 fcs 0x70 mcc_len 8
      dlci 2 frame_type 0 credit_flow 15 pri 7 ack_timer 0
      frame_size 1008 max_retrans 0 credits 7
> HCI Event: Number of Completed Packets (0x13) plen 5
> ACL data: handle 11 flags 0x02 dlen 18
    L2CAP(d): cid 0x0040 len 14 [psm 3]
      RFCOMM(s): PN RSP: cr 0 dlci 0 pf 0 ilen 10 fcs 0xaa mcc_len 8
      dlci 2 frame_type 0 credit_flow 14 pri 7 ack_timer 0
      frame_size 1008 max_retrans 0 credits 0
< ACL data: handle 11 flags 0x02 dlen 8
    L2CAP(d): cid 0x04fb len 4 [psm 3]
      RFCOMM(s): SABM: cr 1 dlci 2 pf 1 ilen 0 fcs 0x59
> ACL data: handle 11 flags 0x02 dlen 8
    L2CAP(d): cid 0x0040 len 4 [psm 3]
      RFCOMM(s): UA: cr 1 dlci 2 pf 1 ilen 0 fcs 0x92
< ACL data: handle 11 flags 0x02 dlen 12
    L2CAP(d): cid 0x04fb len 8 [psm 3]
      RFCOMM(s): MSC CMD: cr 1 dlci 0 pf 0 ilen 4 fcs 0x70 mcc_len 2
      dlci 2 fc 0 rtc 1 rtr 1 ic 0 dv 1 b1 0 b2 0 b3 0 len 0
> ACL data: handle 11 flags 0x02 dlen 12
    L2CAP(d): cid 0x0040 len 8 [psm 3]
      RFCOMM(s): MSC CMD: cr 0 dlci 0 pf 0 ilen 4 fcs 0xaa mcc_len 2
      dlci 2 fc 0 rtc 1 rtr 1 ic 0 dv 0 b1 0 b2 0 b3 0 len 0
< ACL data: handle 11 flags 0x02 dlen 12
    L2CAP(d): cid 0x04fb len 8 [psm 3]
      RFCOMM(s): MSC RSP: cr 1 dlci 0 pf 0 ilen 4 fcs 0x70 mcc_len 2
      dlci 2 fc 0 rtc 1 rtr 1 ic 0 dv 0 b1 0 b2 0 b3 0 len 0
> HCI Event: Number of Completed Packets (0x13) plen 5
> ACL data: handle 11 flags 0x02 dlen 12
    L2CAP(d): cid 0x0040 len 8 [psm 3]
      RFCOMM(s): MSC RSP: cr 0 dlci 0 pf 0 ilen 4 fcs 0xaa mcc_len 2
      dlci 2 fc 0 rtc 1 rtr 1 ic 0 dv 1 b1 0 b2 0 b3 0 len 0
> ACL data: handle 11 flags 0x02 dlen 9
    L2CAP(d): cid 0x0040 len 5 [psm 3]
      RFCOMM(d): UIH: cr 0 dlci 2 pf 1 ilen 0 fcs 0x5c credits 1
< ACL data: handle 11 flags 0x02 dlen 9
    L2CAP(d): cid 0x04fb len 5 [psm 3]
      RFCOMM(d): UIH: cr 1 dlci 2 pf 1 ilen 0 fcs 0x86 credits 33
> HCI Event: Number of Completed Packets (0x13) plen 5
> HCI Event: Role Change (0x12) plen 8
> ACL data: handle 11 flags 0x02 dlen 17
> ACL data: handle 11 flags 0x01 dlen 17
> ACL data: handle 11 flags 0x01 dlen 17
> ACL data: handle 11 flags 0x01 dlen 3
    L2CAP(d): cid 0x0040 len 50 [psm 3]
      RFCOMM(d): UIH: cr 0 dlci 2 pf 0 ilen 46 fcs 0x40
> ACL data: handle 11 flags 0x02 dlen 16
    L2CAP(d): cid 0x0040 len 12 [psm 3]
      RFCOMM(d): UIH: cr 0 dlci 2 pf 0 ilen 8 fcs 0x40
> ACL data: handle 11 flags 0x02 dlen 46
    L2CAP(d): cid 0x0040 len 42 [psm 3]
      RFCOMM(d): UIH: cr 0 dlci 2 pf 0 ilen 38 fcs 0x40
> ACL data: handle 11 flags 0x02 dlen 46
    L2CAP(d): cid 0x0040 len 42 [psm 3]
      RFCOMM(d): UIH: cr 0 dlci 2 pf 0 ilen 38 fcs 0x40
> ACL data: handle 11 flags 0x02 dlen 46
    L2CAP(d): cid 0x0040 len 42 [psm 3]
      RFCOMM(d): UIH: cr 0 dlci 2 pf 0 ilen 38 fcs 0x40
> ACL data: handle 11 flags 0x02 dlen 46
    L2CAP(d): cid 0x0040 len 42 [psm 3]
      RFCOMM(d): UIH: cr 0 dlci 2 pf 0 ilen 38 fcs 0x40
> ACL data: handle 11 flags 0x02 dlen 16
    L2CAP(d): cid 0x0040 len 12 [psm 3]
      RFCOMM(d): UIH: cr 0 dlci 2 pf 0 ilen 8 fcs 0x40
> ACL data: handle 11 flags 0x02 dlen 16
    L2CAP(d): cid 0x0040 len 12 [psm 3]
      RFCOMM(d): UIH: cr 0 dlci 2 pf 0 ilen 8 fcs 0x40
> ACL data: handle 11 flags 0x02 dlen 16
    L2CAP(d): cid 0x0040 len 12 [psm 3]
      RFCOMM(d): UIH: cr 0 dlci 2 pf 0 ilen 8 fcs 0x40
> ACL data: handle 11 flags 0x02 dlen 16
    L2CAP(d): cid 0x0040 len 12 [psm 3]
      RFCOMM(d): UIH: cr 0 dlci 2 pf 0 ilen 8 fcs 0x40
> ACL data: handle 11 flags 0x02 dlen 16
    L2CAP(d): cid 0x0040 len 12 [psm 3]
      RFCOMM(d): UIH: cr 0 dlci 2 pf 0 ilen 8 fcs 0x40
> ACL data: handle 11 flags 0x02 dlen 16
    L2CAP(d): cid 0x0040 len 12 [psm 3]
      RFCOMM(d): UIH: cr 0 dlci 2 pf 0 ilen 8 fcs 0x40
> ACL data: handle 11 flags 0x02 dlen 16
    L2CAP(d): cid 0x0040 len 12 [psm 3]
      RFCOMM(d): UIH: cr 0 dlci 2 pf 0 ilen 8 fcs 0x40
> ACL data: handle 11 flags 0x02 dlen 16
    L2CAP(d): cid 0x0040 len 12 [psm 3]
      RFCOMM(d): UIH: cr 0 dlci 2 pf 0 ilen 8 fcs 0x40
> HCI Event: Max Slots Change (0x1b) plen 3
> HCI Event: Mode Change (0x14) plen 6

...events are received...

disconnection sequence (device being shut down):


> HCI Event: Mode Change (0x14) plen 6
> ACL data: handle 11 flags 0x02 dlen 17
    L2CAP(d): cid 0x0040 len 13 [psm 3]
      RFCOMM(d): UIH: cr 0 dlci 2 pf 0 ilen 9 fcs 0x40
> HCI Event: Max Slots Change (0x1b) plen 3
> ACL data: handle 11 flags 0x02 dlen 8
    L2CAP(d): cid 0x0040 len 4 [psm 3]
      RFCOMM(s): DISC: cr 0 dlci 2 pf 1 ilen 0 fcs 0xd9
< ACL data: handle 11 flags 0x02 dlen 8
    L2CAP(d): cid 0x04fb len 4 [psm 3]
      RFCOMM(s): UA: cr 0 dlci 2 pf 1 ilen 0 fcs 0xf3
< ACL data: handle 11 flags 0x02 dlen 8
    L2CAP(d): cid 0x04fb len 4 [psm 3]
      RFCOMM(s): DISC: cr 1 dlci 0 pf 1 ilen 0 fcs 0xfd
< ACL data: handle 11 flags 0x02 dlen 12
    L2CAP(s): Disconn req: dcid 0x04fb scid 0x0040
> HCI Event: Number of Completed Packets (0x13) plen 5
> ACL data: handle 11 flags 0x02 dlen 8
    L2CAP(d): cid 0x0040 len 4 [psm 3]
      RFCOMM(s): UA: cr 1 dlci 0 pf 1 ilen 0 fcs 0xd7
> ACL data: handle 11 flags 0x02 dlen 12
    L2CAP(s): Disconn rsp: dcid 0x04fb scid 0x0040
> HCI Event: Number of Completed Packets (0x13) plen 5
< HCI Command: Disconnect (0x01|0x0006) plen 3
> HCI Event: Command Status (0x0f) plen 4
> HCI Event: Disconn Complete (0x05) plen 4

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