MATLAB SIMULINK 7 - DEVELOPING S-FUNCTIONS Guia do Utilizador descarregar pdf (Página 99)

Overview of the C MEX S-Function Routines

3-55

routineoryourS-functionhas a“simulationmode”and a “real-timemode”such

as a hardware I/O S-function that simulates the I/O device in Simulink and

interacts with the I/O device in real-time.

To inline an S-function in the generated code, you must use the Target

Language Compiler. Details on this can be found in the Real-Time Workshop

User’s Guide and Target Language Compiler Reference Guide. Inlining of

S-functions alters the code generation process by adding information to the

generated

model.rtw file. This is achieved by adding an mdlRTW routine to your

S-function.See

simulink/src/sfuntmpl.doc for more details. For an example,

see

simulink/src/sfun_multiport.c and toolbox/simulink/blocks/

sfun_multiport.tlc

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MATLAB SIMULINK 7 - DEVELOPING S-FUNCTIONS Guia do Utilizador Página 99