Pixhawk Serial Control


I have a few question about pixhawk. I designed my mission but ı want to take some response from my pixhawk as a serial. For example, ı have arduino, intel edison and rasperry pi. I want use one of them for communication via pixhawk but ı dont know how can i communicate each other. Can ı do that? If i can, how can i do that and can you please give me some information about that?

Thank you

Of course it is possible. google for “ardupilot companion computer”