Return-Path: MIME-Version: 1.0 In-Reply-To: References: Date: Fri, 8 Apr 2016 11:54:56 +0900 Message-ID: Subject: Re: Not shown registered gatt services on an android 5.1.1 From: Hyuntak Lee To: Luiz Augusto von Dentz Cc: "linux-bluetooth@vger.kernel.org" Content-Type: text/plain; charset=UTF-8 Sender: linux-bluetooth-owner@vger.kernel.org List-ID: Hi Luiz, 2016-04-07 21:17 GMT+09:00 Luiz Augusto von Dentz : > Hi Tak, > > On Thu, Apr 7, 2016 at 2:20 PM, Hyuntak Lee 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 >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in >> the body of a message to majordomo@vger.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html > > > > -- > Luiz Augusto von Dentz