Hi Mihai, On Sun, Feb 21, 2021 at 9:13 AM Mihai Emilian <be.mihai22@xxxxxxxxx> wrote: > > Dear linux-bluetooth community, > > I am writing a bluetooth client in C which receives notifications from > a bluetooth device (server). I am able to call StartNotify() from the > bluez api and the Notifying property changes to true. However, I am > not sure how I should listen for the notifications, or where. > > There are several questions: > a) How do I provide a callback function to this? > b) async or sync method call? Does it matter? > c) Do I need the main loop to do this and why? You will need to subscribe for signals, e.g. using g_signal_connect: https://www.freedesktop.org/software/gstreamer-sdk/data/docs/latest/gio/GDBusProxy.html Signals are async so typically that would be handled by a mainloop. > Here's my source code https://pastebin.com/KEGTatsL > > Is there an example? I tried looking at the different files such as > client in bluez kernel source and gatttool source, but I couldn't > figure this out. > > Many thanks, > Regards, > Mihai -- Luiz Augusto von Dentz
