Contents

Index

• Getting Started

• Simulink Basics

• How Simulink Works

• Working with Sample Times

• Creating a Model

• Creating Conditional Subsystems

• Referencing a Model

• Working with Blocks

• Working with Block Libraries

• Working with Block Masks

• Working with Signals

• Working with Variable-Size Signals

• Using Composite Signals

• Working with Data

• Using Enumerated Data

• Importing and Exporting Data

• Working with Data Stores

• Working with Lookup Tables

• Modeling with Simulink

• Exploring, Searching, and Browsing Models

• Managing Configuration Sets

• Running Simulations

• Running a Simulation Programmatically

• Improving Simulation Performance and Accuracy

• Visualizing Simulation Results

• Analyzing Simulation Results

• Simulink Debugger

• Accelerating Models

• Customizing the Simulink User Interface

• Creating Custom Blocks

• Using the Embedded MATLAB Function Block

• Introduction to Embedded MATLAB Function Blocks

What Is an Embedded MATLAB Function Block?

Why Use Embedded MATLAB Function Blocks?

• Creating an Example Embedded MATLAB Function

Adding an Embedded MATLAB Function Block to a Model

Programming the Embedded MATLAB Function

Building the Function and Checking for Errors

Defining Inputs and Outputs

• Debugging an Embedded MATLAB Function Block

How Debugging Affects Simulation Speed

Enabling and Disabling Debugging

Debugging the Function in Simulation

Watching Function Variables During Simulation

Checking for Data Range Violations

Debugging Tools

• Embedded MATLAB Function Editor

Customizing the Embedded MATLAB Editor

Embedded MATLAB Editor Tools

Editing and Debugging Embedded MATLAB Code

Ports and Data Manager

• Working with Compilation Reports

About Compilation Reports

Location of Compilation Reports

Opening Compilation Reports

Description of Compilation Reports

Viewing Your Embedded MATLAB Function Code

Viewing Call Stack Information

Viewing the Compilation Summary Information

Viewing Error and Warning Messages

Viewing Variables in Your M-Code

Keyboard Shortcuts for the Compilation Report

Compilation Report Limitations

• Typing Function Arguments

About Function Arguments

Specifying Argument Types

Inheriting Argument Data Types

Built-In Data Types for Arguments

Specifying Argument Types with Expressions

Specifying Simulink Fixed Point Data Properties

• Sizing Function Arguments

Specifying Argument Size

Inheriting Argument Sizes from Simulink

Specifying Argument Sizes with Expressions

Parameter Arguments in Embedded MATLAB Functions

• Resolving Signal Objects for Output Data

Implicit Signal Resolution

Eliminating Warnings for Implicit Signal Resolution in the Model

Disabling Implicit Signal Resolution for an Embedded MATLAB Function Block

Forcing Explicit Signal Resolution for an Output Data Signal

• Working with Structures and Bus Signals

About Structures in Embedded MATLAB Function Blocks

Example of Structures in an Embedded MATLAB Function Block

How Structure Inputs and Outputs Interface with Bus Signals

Rules for Defining Structures in Embedded MATLAB Function Blocks

Workflow for Creating Structures in Embedded MATLAB Function Blocks

Indexing Substructures and Fields

Assigning Values to Structures and Fields

Working with Non-Tunable Structure Parameters in Embedded MATLAB Function Blocks

Limitations of Structures in Embedded MATLAB Function Blocks

• Using Variable-Size Data in Embedded MATLAB Function Blocks

What Is Variable-Size Data?

How Embedded MATLAB Function Blocks Implement Variable-Size Data

Enabling Support for Variable-Size Data

Declaring Variable-Size Inputs and Outputs

Declaring Variable-Size Data Locally

Simple Example: Defining and Using Variable-Size Data in Embedded MATLAB Function Blocks

Limitations of Variable-Size Support in Embedded MATLAB Function Blocks

• Using Enumerated Data in Embedded MATLAB Function Blocks

Enumerated Data in Embedded MATLAB Function Blocks

When to Use Enumerated Data

Simple Example: Defining and Using Enumerated Types in Embedded MATLAB Function Blocks

Using Enumerated Data in Embedded MATLAB Function Blocks

How to Define Enumerated Data Types for Embedded MATLAB Function Blocks

How to Add Enumerated Data to Embedded MATLAB Function Blocks

How to Instantiate Enumerated Data in Embedded MATLAB Function Blocks

Operations on Enumerated Data

Limitations of Enumerated Types

• Working with Frame-Based Signals

About Frame Based Signals

Supported Types for Frame-Based Data

Adding Frame-Based Data in Embedded MATLAB Function Blocks

Examples of Frame-Based Signals in Embedded MATLAB Function Blocks

• Using Traceability in Embedded MATLAB Function Blocks

Extent of Traceability in Embedded MATLAB Function Blocks

Traceability Requirements

Basic Workflow for Using Traceability

Tutorial: Using Traceability in an Embedded MATLAB Function Block

• Enhancing Readability of Generated Code for Embedded MATLAB Function Blocks

Requirements for Using Readability Optimizations

Converting If-Elseif-Else Code to Switch-Case Statements

Example of Converting Code for If-Elseif-Else Decision Logic to Switch-Case Statements

• Speeding Up Simulation with the Basic Linear Algebra Subprograms (BLAS) Library

How Embedded MATLAB Function Blocks Use the BLAS Library

When to Disable BLAS Library Support

How to Disable BLAS Library Support

Supported Compilers

• Controlling Runtime Checks

Types of Runtime Checks

When to Disable Runtime Checks

How to Disable Runtime Checks

• PrintFrame Editor

• Simulink Graphical User Interface

Mask Icon Drawing Commands

Simulink Debugger Commands

Simulink Classes

• Model and Block Parameters

• Model File Format

• Model Advisor Checks

Simulink Limits

• Overview of S-Functions

• Selecting an S-Function Implementation

• Writing S-Functions in M

• Writing S-Functions in C

• Creating C++ S-Functions

• Creating Fortran S-Functions

• Using Work Vectors

• Implementing Block Features

S-Function Callback Methods - Alphabetical List

• SimStruct Functions Reference

SimStruct Functions - Alphabetical List

S-Function Options - Alphabetical List

• Release Notes

Learn more about Simulink

Using the Embedded MATLAB Function Block

Custom Block Examples

Custom Block Examples

Introduction to Embedded MATLAB Function Blocks

Introduction to Embedded MATLAB Function Blocks

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