Re: Not shown registered gatt services on an android 5.1.1

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Hi Tak,

I also have the same problem. (Central is iPhone, Peripheral is Raspberry pi)

Did you resolve it?

Thanks for your time

2016-04-08 11:54 GMT+09:00 Hyuntak Lee <pphdev12@xxxxxxxxx>:
> Hi Luiz,
>
> 2016-04-07 21:17 GMT+09:00 Luiz Augusto von Dentz <luiz.dentz@xxxxxxxxx>:
>> Hi Tak,
>>
>> On Thu, Apr 7, 2016 at 2:20 PM, Hyuntak Lee <pphdev12@xxxxxxxxx> wrote:
>>> Dears,
>>>
>>> I am testing a gatt server with iphone and android.
>>> iPhone is working nicely, but unfortunately andorid cannot retrive
>>> registered GATT services.
>>> I tested with a bluez-5.39/test/example-gatt-server file.
>>> Can you advice me?
>>>
>>> My step is below:
>>>
>>> * Peripheral env
>>> ** Bluez 5.39
>>> ** Linux Kernel 3.18
>>> ** BT Dongle: NEXT-204BT(CSR 4.0)
>>>
>>> * Central env
>>> ** Android 5.1.1 and iOS 9.3.1
>>> ** Test app: nRF MCP
>>>
>>> * Build configure
>>> ./configure --prefix=/usr     \
>>>             --sysconfdir=/etc    \
>>>             --localstatedir=/var \
>>>             --enable-library      \
>>>             --enable-experimental \
>>>             --disable-systemd
>>>
>>> * STEP
>>> 1. Executes a bluetooth daemon:
>>> $ bluetoothd -ndE
>>>
>>> 2. Register gatt services
>>> $ python bluez-5.39/test/example-gatt-server
>>> For register service(Heart Rate, Battery Service)
>>>
>>> 3. To advertising and pairing:
>>> $ hciconfig hci0 reset
>>> $ hciconfig hci0 pscan;   # PSCAN need to pair with android
>>> $ hcitool -i hci0 cmd 0x08 0x000a 00;
>>> $ hcitool -i hci0 cmd 0x08 0x0008 03 02 0a 0a 00 00 00 00 00 00 00 00
>>> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00;
>>> $ hcitool -i hci0 cmd 0x08 0x000a 01;
>>>
>>> 4. connect to gatt server
>>> 4.1 with iOS 9.3.1
>>> Retrieved list
>>> - Heart Rate (UUID: 0x180D)
>>> - Battery Service (UUID: 0x180F)
>>>
>>> 4.2 with android 5.1.1
>>> Retrieved list
>>> - Generic Attribute(UUID: 0x1801)
>>> - Generic Access(UUID: 0x1800)
>>>
>>>
>>>
>>> Only android don't get registerted services.
>>> I founded different part of bluetoothd log in the case of iphone and
>>> android. I hope these are helpful to you.
>>>
>>> Logs of iOS case:
>>>
>>> bluetoothd[2976]: src/gatt-database.c:connect_cb() New incoming LE ATT
>>> connection
>>> bluetoothd[2976]: attrib/gattrib.c:g_attrib_ref() 0x1e53230: g_attrib_ref=1
>>> bluetoothd[2976]: src/gatt-client.c:btd_gatt_client_connected() Device
>>> connected.
>>> bluetoothd[2976]: src/device.c:load_gatt_db() Restoring
>>> 57:92:97:B5:A8:C4 gatt database from file
>>> bluetoothd[2976]: No cache for 57:92:97:B5:A8:C4
>>> bluetoothd[2976]: src/device.c:gatt_debug() MTU exchange complete, with MTU: 158
>>> bluetoothd[2976]: src/device.c:gatt_debug() Read By Grp Type - start:
>>> 0x0001 end: 0xffff
>>> bluetoothd[2976]: src/device.c:gatt_debug() Read By Grp Type - start:
>>> 0x0021 end: 0xffff
>>> bluetoothd[2976]: src/device.c:gatt_debug() Read By Type - start:
>>> 0x0006 end: 0x0009
>>> bluetoothd[2976]: src/device.c:gatt_debug() Find Info - start: 0x0009
>>> end: 0x0009
>>> bluetoothd[2976]: src/device.c:gatt_debug() Write Req - handle: 0x0009
>>> bluetoothd[2976]: src/gatt-database.c:gatt_ccc_write_cb() CCC write
>>> called for handle: 0x0009
>>> bluetoothd[2976]: src/device.c:gatt_debug() Primary services found: 8
>>> bluetoothd[2976]: src/device.c:gatt_debug() start: 0x0001, end:
>>> 0x0005, uuid: 00001800-0000-1000-8000-00805f9b34fb
>>> bluetoothd[2976]: src/device.c:gatt_debug() start: 0x0006, end:
>>> 0x0009, uuid: 00001801-0000-1000-8000-00805f9b34fb
>>> bluetoothd[2976]: src/device.c:gatt_debug() start: 0x000a, end:
>>> 0x000e, uuid: d0611e78-bbb4-4591-a5f8-487910ae4366
>>> bluetoothd[2976]: src/device.c:gatt_debug() start: 0x000f, end:
>>> 0x0012, uuid: 0000180f-0000-1000-8000-00805f9b34fb
>>> bluetoothd[2976]: src/device.c:gatt_debug() start: 0x0013, end:
>>> 0x0018, uuid: 00001805-0000-1000-8000-00805f9b34fb
>>> bluetoothd[2976]: src/device.c:gatt_debug() start: 0x0019, end:
>>> 0x001d, uuid: 0000180a-0000-1000-8000-00805f9b34fb
>>> bluetoothd[2976]: src/device.c:gatt_debug() start: 0x001e, end:
>>> 0x0027, uuid: 7905f431-b5ce-4e99-a40f-4b1e122d00d0
>>> bluetoothd[2976]: src/device.c:gatt_debug() start: 0x0028, end:
>>> 0x0033, uuid: 89d3502b-0f36-433a-8ef4-c502ad55f8dc
>>> bluetoothd[2976]: src/device.c:gatt_debug() Secondary service
>>> discovery failed. ATT ECODE: 0x0a
>>>
>>> Logs of android case:
>>>
>>> bluetoothd[2976]: src/gatt-database.c:connect_cb() New incoming LE ATT
>>> connection
>>> bluetoothd[2976]: attrib/gattrib.c:g_attrib_ref() 0x1e35fe8: g_attrib_ref=1
>>> bluetoothd[2976]: src/gatt-client.c:btd_gatt_client_connected() Device
>>> connected.
>>> bluetoothd[2976]: src/device.c:load_gatt_db() Restoring
>>> 30:75:12:94:47:D5 gatt database from file
>>> bluetoothd[2976]: No cache for 30:75:12:94:47:D5
>>> bluetoothd[2976]: src/device.c:gatt_debug() MTU Exchange failed. ATT ECODE: 0x06
>>
>> We did have some problems with Android up to 4.4 when Android would
>> stop sending any request when it gets a MTU Exchange but this has been
>> working with 5.1 and later so Im not sure if this is related. You can
>> check if that is the case with the following patch:
>> http://www.spinics.net/lists/linux-bluetooth/msg66498.html (I end up
>> abandoning it since it was supposed to work with more recent
>> Androids).
>>
>
> Thanks for your reply.
>
> As a result, Android still cannot find primary services.
> I compared a bluez-5.39 source with
> http://www.spinics.net/lists/linux-bluetooth/msg66498.html
> It seemed not applied to 5.39. so, I edited a source and recompiled
> and try again.
>
> Logs:
> bluetoothd[18338]: src/gatt-client.c:btd_gatt_client_connected()
> Device connected.
> bluetoothd[18338]: src/device.c:load_gatt_db() Restoring
> 30:75:12:94:47:D5 gatt database from file
> bluetoothd[18338]: No cache for 30:75:12:94:47:D5
> bluetoothd[18338]: src/device.c:gatt_debug() Primary services found: 2
> bluetoothd[18338]: src/device.c:gatt_debug() start: 0x0001, end:
> 0x0005, uuid: 00001801-0000-1000-8000-00805f9b34fb
> bluetoothd[18338]: src/device.c:gatt_debug() start: 0x0014, end:
> 0xffff, uuid: 00001800-0000-1000-8000-00805f9b34fb
> bluetoothd[18338]: src/device.c:gatt_debug() Secondary service
> discovery failed. ATT ECODE: 0x10
>
> Log is changed, do not show 'MTU Exchange failed. ATT ECODE: 0x06' message.
> But, still not discover all primary services. Not shown a log message
> like this "Read By Grp Type - start: 0x0001 end: 0xffff"
>
> Can you advice me?
>
> Best Regards,
> Tak
>
>
>>> bluetoothd[2976]: src/device.c:gatt_debug() Primary services found: 2
>>> bluetoothd[2976]: src/device.c:gatt_debug() start: 0x0001, end:
>>> 0x0005, uuid: 00001801-0000-1000-8000-00805f9b34fb
>>> bluetoothd[2976]: src/device.c:gatt_debug() start: 0x0014, end:
>>> 0xffff, uuid: 00001800-0000-1000-8000-00805f9b34fb
>>> bluetoothd[2976]: src/device.c:gatt_debug() Secondary service
>>> discovery failed. ATT ECODE: 0x10
>>>
>>>
>>> It looks like if request is from an android, cannot find primary services.
>>> How can I use a GATT service with an android?
>>> Pls advise me.
>>>
>>> Best Regards,
>>> Tak
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>>
>>
>>
>> --
>> Luiz Augusto von Dentz
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