Hi Barry, I did look at it. But I want a solution in C and not python. I am not conversant with Python. How do it convert this into C. I am a beginner in bluez. Can you help me on this . On Tue, Apr 25, 2017 at 7:59 PM, Barry Byford <31baz66@xxxxxxxxx> wrote: > Hello, > > On 25 April 2017 at 11:43, sayandasgupta12@xxxxxxxxx > <sayandasgupta12@xxxxxxxxx> wrote: >> I am trying to send GATT notification in bluez 5.43 using DBUS. But >> currently the gatt-service.c doesn't provide any details how to send >> it using DBUS. Currently >> >> static DBusMessage *chr_start_notify(DBusConnection *conn, DBusMessage >> *msg, void *user_data) >> >> return g_dbus_create_error(msg, DBUS_ERROR_NOT_SUPPORTED, "Not Supported") >> >> >> is given like this as no characteristic supports notification in the >> given code. But I am trying to build a custom service which has >> notifiable characteristics. How should i handle it. What should be the >> code that i need to write inside char_start_notify to achieve it. > > Have you taken a look at test/example-gatt-server? > > The notifications are done with the PropertiesChanged signal on the > value of the characteristic > https://git.kernel.org/pub/scm/bluetooth/bluez.git/tree/doc/gatt-api.txt#n121 > https://git.kernel.org/pub/scm/bluetooth/bluez.git/tree/test/example-gatt-server#n200 > > And in the example are issued with: > https://git.kernel.org/pub/scm/bluetooth/bluez.git/tree/test/example-gatt-server#n297 > https://git.kernel.org/pub/scm/bluetooth/bluez.git/tree/test/example-gatt-server#n399 > > Hope that helps > >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in >> the body of a message to majordomo@xxxxxxxxxxxxxxx >> More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
