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Contents

Index

• Getting Started

• Product Description

Key Features

What Does a Stateflow Chart Look Like?

How Stateflow Software Works with Simulink Software

Basic Tutorial for Modeling Event-Driven Systems

• Installing Stateflow Software

Installation Instructions

Prerequisite Software

Product Dependencies

Setting Up Your Own Target Compiler

Using Stateflow Software on a Laptop Computer

Related Products

The Stateflow Chart

How the Stateflow Chart Works with the Simulink Model

A Look at the Physical Plant

Running the Model

• Implementing the Interface with Simulink

Build It Yourself or Use the Supplied Model

Design Considerations for Defining the Interface

Adding a Stateflow Block to a Simulink Model

Defining the Inputs and Outputs

Connecting the Stateflow Block to the Simulink Subsystem

• Implementing the States to Represent Operating Modes

Build It Yourself or Use the Supplied Model

Design Considerations for Defining the States

Adding the Power On and Power Off States

Adding and Configuring Parallel States

Adding the On and Off States for the Fans

• Implementing State Actions

Build It Yourself or Use the Supplied Model

Design Considerations for Defining State Actions and Variables

Writing an Entry Action

Writing a During Action

• Adding the Transitions

Build It Yourself or Use the Supplied Model

Design Considerations for Defining Transitions Between States

Drawing the Transitions Between States

Adding Default Transitions

Adding Conditions to Guard Transitions

Adding Events to Guard Transitions

• Implementing the Triggers

Build It Yourself or Use the Supplied Model

Design Considerations for Triggering Stateflow Charts

Defining the CLOCK Event

Connecting the Edge-Triggered Events to the Input Signals

• Setting Simulation Parameters and Breakpoints

Prepare the Chart Yourself or Use the Supplied Model

Checking That Your Chart Conforms to Best Practices

Setting the Length of the Simulation

Configuring Animation for the Chart

Setting Breakpoints to Observe Chart Behavior

Simulating the Air Controller Chart

• Debugging Common Modeling Errors

Debugging State Inconsistencies

Debugging Data Range Violations

• User's Guide

• Stateflow Chart Concepts

• Stateflow Chart Notation

• Stateflow Chart Semantics

• Creating Stateflow Charts

• Modeling Logic Patterns and Iterative Loops Using Flow Graphs

• Building Mealy and Moore Charts

• Techniques for Streamlining Chart Design

• Recording State Activity with History Junctions

What Is a History Junction?

Creating a History Junction

Changing History Junction Size

Changing History Junction Properties

• Using Subcharts to Encapsulate Modal Logic

What Is a Subchart?

Creating a Subchart

Rules of Subchart Conversion

Example of Converting a State to a Subchart

Manipulating Subcharts as Objects

Opening a Subchart

Editing a Subchart

Navigating Subcharts

• Moving Between Different Levels of Hierarchy with Supertransitions

What Is a Supertransition?

Drawing a Supertransition Into a Subchart

Drawing a Supertransition Out of a Subchart

Labeling Supertransitions

• Maintaining Transition Shapes with Smart Behavior

What Are Smart Transitions?

Setting Smart Behavior in Transitions

What Smart Transitions Do

What Nonsmart Transitions Do

• Graphical Functions for Reusing Logic Patterns and Iterative Loops

What Is a Graphical Function?

Why Use a Graphical Function in a Stateflow Chart?

Where to Use a Graphical Function

Workflow for Defining a Graphical Function

Managing Large Graphical Functions

Calling Graphical Functions in States and Transitions

Exporting Chart-Level Graphical Functions

Specifying Graphical Function Properties

• Grouping Chart Objects with Boxes

When to Use Boxes

Semantics of Stateflow Boxes

Rules for Using Boxes

Drawing and Editing a Box

Examples of Using Boxes

• Using Descriptive Comments in a Chart

Creating Notes

Changing Note Properties

Changing Note Font and Color

TeX Instructions

• Defining Data

• Defining Events

• Using Actions in Stateflow Charts

• Making States Reusable with Atomic Subcharts

• Saving and Restoring Simulations with SimState

• Using Vectors and Matrices in Stateflow Charts

• Using Variable-Size Data in Stateflow Charts

• Using Enumerated Data in Stateflow Charts

• Modeling Continuous-Time Systems in Stateflow Charts

• Using Fixed-Point Data in Stateflow Charts

• Using Complex Data in Stateflow Charts

• Defining Interfaces to Simulink Models and the MATLAB Workspace

• Working with Structures and Bus Signals in Stateflow Charts

• Stateflow Design Patterns

• Truth Table Functions for Decision-Making Logic

• Using MATLAB Functions in Stateflow Charts

• Using Simulink Functions in Stateflow Charts

• Building Targets

• Debugging and Testing Stateflow Charts

• Exploring and Modifying Charts

• Semantic Rules Summary

• Semantic Examples

Glossary

• Using the API

• API Object Reference

• API Object Properties and Methods

API Method Reference

• Blocks

• Functions

Examples

• Release Notes

Techniques for Streamlining Chart Design

Debugging Mealy and Moore Charts

Recording State Activity with History Junctions

Free Stateflow Interactive Kit

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