how do I get the HCI log and/or LMP log?
On Tue, Nov 24, 2009 at 4:50 PM, Nick Pelly <[email protected]> wrote: > I'll need to see some HCI or LMP logs to see why the connection gets > dropped. > > Nick > > On Tue, Nov 24, 2009 at 4:32 PM, Sean Liao <[email protected]> wrote: > >> The test driver doesn't get blocked: numOfAvailable is always zero. I bet >> if I remove the instream.available() check. I would get the same exception >> as the one writing to output stream. >> >> Pluggin a debugger onto the remote device, I found the connection >> immediately gets disconnected by my android test driver regardless read or >> write from the subsequent calls. >> >> ... one custom feature on the remote device: after connecton being made, >> it would request a role switch. On other phones, if the local device/phone >> doesn't support role switch, the connection simply remains without role >> switching. Just wondering why the connection gets connected but immediately >> dropped ... >> >> >> >> >> >> >> >> >> >> >> On Tue, Nov 24, 2009 at 4:18 PM, Nick Pelly <[email protected]> wrote: >> >>> At first glance, the problem is probably that instream.read() will block >>> until it has 512 bytes. Are you sending enough bytes? >>> >>> If you did not intend to send 512 bytes (i cant tell without your server >>> code), you should use pass numOfAvailable into instream.read(), and it >>> should return straight away. >>> >>> Nick >>> >>> >>> >>> On Tue, Nov 24, 2009 at 1:22 PM, Sean Liao <[email protected]>wrote: >>> >>>> got another error from writing. wondering if this might be related. >>>> >>>> 11-24 13:07:27.731: ERROR/BluetoothEventLoop.cpp(1015): event_filter: >>>> Received signal org.bluez.Device:PropertyChanged from >>>> /org/bluez/1973/hci0/dev_00_08_1B_CA_C7_29 >>>> 11-24 13:07:28.606: VERBOSE/BluetoothEventRedirector(1138): Received >>>> android.bleutooth.device.action.UUID >>>> 11-24 13:07:30.015: DEBUG/(2254): getOutputStream >>>> 11-24 13:07:30.052: ERROR/(2254): bt write failed >>>> *11-24 13:07:30.052: ERROR/(2254): java.io.IOException: Transport >>>> endpoint is not connected* >>>> >>>> I connected an debugger into remote device, and found the Android/My >>>> test driver initiated an disconnect immediately after connect. >>>> >>>> Really appreciate if you can point out what is wrong with my test >>>> driver. >>>> >>>> Sean >>>> >>>> >>>> >>>> >>>> >>>> On Tue, Nov 24, 2009 at 12:45 PM, Sean Liao <[email protected]>wrote: >>>> >>>>> Hi, I wrote a simple test driver to test the bluetooth apis. Anyone >>>>> can verify whether I am using the API correctly? Everything seems good >>>>> but >>>>> no data read :-( >>>>> >>>>> >>>>> >>>>> >>>>> =========================================================================== >>>>> // before calling the following, inquiry scan successfully returned, >>>>> and the remote device is pre-paired. >>>>> >>>>> private boolean doTestConnection() { >>>>> >>>>> Log.d("SwxBtCommImpl", "doTestConnection"); >>>>> >>>>> String btAddr = "00:08:1B:CA:C7:29"; >>>>> >>>>> BluetoothDevice btdev = >>>>> BluetoothAdapterImpl.getInstance().getRemoteDevice(btAddr); >>>>> >>>>> // widcom using the following GUID >>>>> // 00001101-0000-1000-8000-00805F9B34FB >>>>> UUID uuid = >>>>> UUID.fromString("00001101-0000-1000-8000-00805F9B34FB"); >>>>> >>>>> try { >>>>> BluetoothSocket btsocket = >>>>> btdev.createRfcommSocketToServiceRecord(uuid); >>>>> >>>>> btsocket.connect(); >>>>> Log.d("SwxBtCommImpl", "connected"); >>>>> >>>>> try { >>>>> Thread.sleep(1000); >>>>> } catch (InterruptedException e1) { >>>>> // TODO Auto-generated catch block >>>>> e1.printStackTrace(); >>>>> } >>>>> >>>>> InputStream instream = btsocket.getInputStream(); >>>>> Log.d("", "getInputStream"); >>>>> >>>>> byte[] data = new byte[512]; >>>>> for (int i = 0; i < 20; i++) { >>>>> int numOfAvailable = instream.available(); >>>>> >>>>> Log.d("SwxBtCommImpl", "read " + i + ": " + numOfAvailable >>>>> + " bytes"); >>>>> if(numOfAvailable > 0) { >>>>> int numOfRead = instream.read(data); >>>>> Log.d("SwxBtCommImpl", new String(data) + "-" + >>>>> numOfRead); >>>>> } else { >>>>> >>>>> try { >>>>> Thread.sleep(500); >>>>> } catch (InterruptedException e) { >>>>> // TODO Auto-generated catch block >>>>> e.printStackTrace(); >>>>> } >>>>> } >>>>> } >>>>> >>>>> instream.close(); >>>>> instream = null; >>>>> >>>>> btsocket.close(); >>>>> >>>>> } catch (IOException e) { >>>>> // TODO Auto-generated catch block >>>>> Log.e("", "bt connection failed", e); >>>>> } >>>>> >>>>> >>>>> >>>>> return true; >>>>> } >>>>> >>>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "Android Developers" group. >>>> To post to this group, send email to >>>> [email protected] >>>> To unsubscribe from this group, send email to >>>> [email protected]<android-developers%[email protected]> >>>> For more options, visit this group at >>>> http://groups.google.com/group/android-developers?hl=en >>>> >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "Android Developers" group. >>> To post to this group, send email to [email protected] >>> To unsubscribe from this group, send email to >>> [email protected]<android-developers%[email protected]> >>> For more options, visit this group at >>> http://groups.google.com/group/android-developers?hl=en >> >> >> -- >> You received this message because you are subscribed to the Google >> Groups "Android Developers" group. >> To post to this group, send email to [email protected] >> To unsubscribe from this group, send email to >> [email protected]<android-developers%[email protected]> >> For more options, visit this group at >> http://groups.google.com/group/android-developers?hl=en >> > > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected]<android-developers%[email protected]> > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en > -- You received this message because you are subscribed to the Google Groups "Android Developers" group. 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