Product Documentation

Search MATLAB Documentation
R2011b Documentation → Stateflow
View documentation for other releases	Learn more about Stateflow

Contents

Index

• Getting Started

• Benefits of Stateflow Usage

Models Event-Driven Systems

Extends the Capabilities of Traditional State Charts

Provides Debugging Capabilities

Supports Code Generation in Multiple Languages

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

What Is a Flow Graph?

Difference Between Flow Graphs and State Charts

When to Use Flow Graphs

• Creating Flow Graphs with the Pattern Wizard

Why Use the Pattern Wizard?

How to Create Reusable Flow Graphs

Saving and Reusing Flow Graph Patterns

MAAB-Compliant Patterns from the Pattern Wizard

Try It: Creating and Reusing a Custom Pattern with the Pattern Wizard

• Drawing and Customizing Flow Graphs By Hand

How to Draw a Flow Graph

How to Change Connective Junction Size

How to Modify Junction Properties

Best Practices for Creating Flow Graphs

• Enhancing Readability of Generated Code for Flow Graphs

Appearance of Generated Code for Flow Graphs

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

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

• Building Mealy and Moore Charts

• Techniques for Streamlining Chart Design

• 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

Modeling Logic Patterns and Iterative Loops Using Flow Graphs

Editor Operations

What Is a Flow Graph?

Free Stateflow Interactive Kit

Learn how engineers use Stateflow to model state machines in their Simulink models.

Get free kit

Trials Available

Try the latest version of Stateflow.

Get trial software