Hi Chaojie Gu,
On Wed, Apr 16, 2014 at 5:17 AM, Gu, Chao Jie <[email protected]> wrote:
> Hi, Claudio:
>
> Sorry for taking your time to ask you question about GATT again.
> Recently we have implemented the part of Gatt feature in the Bluetooth-frwk
> in Tizen according to the Gatt-API doc in the bluez 5.18. We hope we can do
> some test for Gatt Client operation to contribute Gatt Client DBus API
> related development. However, now we have encountered the some issues about
> how to test GATT operation.
>
> Firstly, we have to familiar with the test steps about it. Now we setup two
> environment for testing. One acts as Gatt Server, the other acts as Gatt
> Client.
>
> For Gatt Server, I've checked out the latest tag (5.18) from git and have
> built it and gatt-example.c is compiled into a static plugin that is loaded
> at runtime. Through the bluetoothd running, I've confirmed that the plugin
> is compiled and is loaded at runtime. When I use gattool to do some test,
> connection is failed.
>
> Gatt server Bluetooth status:
>
> hci0: Type: BR/EDR Bus: USB
>
> BD Address: 00:15:83:65:01:90 ACL MTU: 310:10 SCO MTU: 64:8
>
> UP RUNNING PSCAN ISCAN
>
> RX bytes:4394 acl:29 sco:0 events:197 errors:0
>
> TX bytes:11856 acl:35 sco:0 commands:139 errors:0
>
>
>
> Gatt client Bluetooth status:
>
> hci0: Type: BR/EDR Bus: USB
>
> BD Address: 00:1A:7D:DA:71:0C ACL MTU: 310:10 SCO MTU: 64:8
>
> UP RUNNING PSCAN
>
> RX bytes:104760 acl:34 sco:0 events:619 errors:0
>
> TX bytes:5704 acl:31 sco:0 commands:160 errors:0
>
>
>
> My operation step is:
>
> 1. Scan and Pair the gatt client with gatt server , it pair
> successfully.
>
> 2. In the server side, furthermore to register external gatt service
> by gatt-service.
>
> 3. In the client side, use command line : gatttool -i hci0 -b
> 00:15:83:65:01:90 --primary
>
> To do primary service discovery.
>
> Command line feedback: Connection refused (111)
>
>
>
> The client bluetoothd fail log :
>
> bluetoothd[29734]: src/adapter.c:connect_failed_callback() hci0
> 00:15:83:65:01:90 status 2
>
> bluetoothd[29734]: src/adapter.c:bonding_attempt_complete() hci0 bdaddr
> 00:15:83:65:01:90 type 1 status 0x2
>
> bluetoothd[29734]: src/adapter.c:resume_discovery()
>
>
>
> gatt_connect function has failed in the gatt tool, any option need to set in
> the command line ?
Please share the btmon log (of both sides).
Check if this problem also happens in BlueZ master.
>
> Which steps is right method to use gattool to test the gatt operation or
> lack other configuration for bluez in the sever side?
I recommend to use the interactive mode "-I" and specify the remote
address type.
>
>
>
> Secondly, there are a lot of patchset about Gatt Client DBus API
> implementation. Should we add all the patches into the latest tag (5.18) to
> test Gatt Client DBus API?
Do you mean re-base your patches to send upstream?
First make sure that your implementation is aligned with the
requirements that are being discussed in the ML: bt_att_* and shared
attribute database.
Regards,
Claudio
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