Contents

Index

• Getting Started

• User's Guide

• Introduction to Simulink

• Modeling Dynamic Systems

• Simulating Dynamic Systems

• Managing Blocks

• Managing Data

• Managing Signals

• Customizing Simulink Environment and Printed Models

• Simulink Graphical User Interface

• Simulink Reference

• Modeling Guidelines

• Developing S-Functions

• Overview of S-Functions

What Is an S-Function?

• Using S-Functions in Models

• How S-Functions Work

• Implementing S-Functions

• S-Function Concepts

• S-Function Examples

• Selecting an S-Function Implementation

Available S-Function Implementations

What Type of S-Function Should You Use?

How to Implement S-Functions

S-Function Features

S-Function Limitations

• Example Using S-Functions to Incorporate Legacy C Code

• Writing S-Functions in M

• Writing Level-2 M-File S-Functions

• Maintaining Level-1 M-File S-Functions

• Writing S-Functions in C

• Introduction

• Building S-Functions Automatically

• S-Function Builder Dialog Box

• Example of a Basic C MEX S-Function

• Templates for C S-Functions

• Integrating Existing C Functions into Simulink Models with the Legacy Code Tool

• How the Simulink Engine Interacts with C S-Functions

Writing Callback Methods

Using S-Functions in Normal Mode Referenced Models

• Debugging C MEX S-Functions

• Converting Level-1 C MEX S-Functions to Level-2

• Creating C++ S-Functions

Creating a C++ Source File

Making C++ Objects Persistent

Building C++ S-Functions

• Creating Fortran S-Functions

Level-1 Versus Level-2 S-Functions

• Creating Level-1 Fortran S-Functions

• Creating Level-2 Fortran S-Functions

• Porting Legacy Code

• Using Work Vectors

• About DWork Vectors

Types of DWork Vectors

• How to Use DWork Vectors

• DWork Vector Examples

• Elementary Work Vectors

• Implementing Block Features

• Dialog Parameters

• Run-Time Parameters

• Input and Output Ports

• Custom Data Types

• Sample Times

• S-Function Compliance with the SimState

• Matrices in C S-Functions

Function-Call Subsystems

Sim Viewing Devices in External Mode

• Frame-Based Signals

• Error Handling

• C MEX S-Function Examples

S-Function Callback Methods - Alphabetical List

• SimStruct Functions Reference

• Introduction

• SimStruct Macros and Functions Listed by Usage

SimStruct Functions - Alphabetical List

S-Function Options - Alphabetical List

• Release Notes

Learn more about Simulink

Developing S-Functions

Overview of S-Functions	Brief overview of S-functions.
Selecting an S-Function Implementation	Describes when and why to implement an S-function using an M-file, a hand-written C-file, the S-Function Builder, or the Legacy Code Tool.
Writing S-Functions in M	How to use the MATLAB M programming language to create S-functions.
Writing S-Functions in C	How to use the C programming language to create S-functions.
Creating C++ S-Functions	How to use the C++ programming language to create S-functions.
Creating Fortran S-Functions	How to use the Fortran programming language to create S-functions.
Using Work Vectors	How to create and use work vectors
Implementing Block Features	How to use S-function callback methods to implement various block features.

Overview of S-Functions

Overview of S-Functions

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