Re: [Jsbsim-devel] Pulling my hair out :-)!

[Philippose R. <sa...@ro...>]

Hi Bass Pumped (Sigh !!),

   Good evening to you!

   I have a feeling you might be confusing a "mex"
file, and an "S-Function".

   The udp_send, and udp_plotter matfiles, are matlab
functions, which call the "pnet" mex file in order to
send data over UDP Sockets...and to plot data which it
receives on the UDP Socket.

   These functions cannot be directly used in
Simulink, because simulink requires an "S-function".

   A mex-file and a compiled S-Function both end up in
the form of a DLL in Windows, but the internal
structure of an S-Function is much more extensive than
a mex-file.

   A mex-file can be used at the Matlab command line,
and in ".m" files executed within the matlab
environment, but they cannot be used straight off
within a Simulink environment.

   Well, I agree its a little confusing because Matlab
calls both "mex" files in some documentaion, and the
compiling is done using the same set of steps.

   I dont know if I am making some mistake in
understanding what you are implying or not....do
correct me if I am wrong :-)!

   Hope to hear from you!

Regards,

Philippose



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