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Re: [Paparazzi-devel] Groundsoftware structure

From: David Pérez-Piñar López
Subject: Re: [Paparazzi-devel] Groundsoftware structure
Date: Sat, 5 Jan 2008 17:08:47 +0100

Thanks, Martin.

I've already taken a look at the OCaml tutorial, and is pretty easy to understand... although I foresee some mind-changing work to upgrade from my C/C++ programming knowledge.



David Pérez-Piñar López
Grupo de Tecnologías de la Señal
Universidad de Vigo

----- Original Message ----- From: <address@hidden>
To: <address@hidden>
Sent: Saturday, January 05, 2008 2:31 PM
Subject: Re: [Paparazzi-devel] Groundsoftware structure

Hi David,

Let's say I would like to add a new ground component capable of just
receiving information (messages)
from the aircraft. I guess the solution is simple: just build a new
client process listening the ivy
communications port and processing the messages of interest. Is this
possible? Specifically, is the
server broadcasting the messages, or a pipe (or something like that)
is stablished between the server
 and each ground module?

Yes, you connect to the ivy bus and receive the messages you need,

Two simple Paparazzi examples are


And where should I dig into to find the message definitions and
(perhaps) add a new message to the

Lookup/add at conf/messages.xml

Although just studying the source code, I thought I will understand
Paparazzi when I was able to
succesfully adapt it to my needs. However, I'm acquainted with C/C++,
but not with OCAML. I have
tried to understand the code, but it is not easy to guess the
execution order from it. Any tutorial at hand
to start with?

This helped me:


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