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
