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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

• 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

• Using the Stateflow Debugger

Opening the Stateflow Debugger

Animating Stateflow Charts

Setting Breakpoints to Debug Charts

How to Enable Debugging for Charts

Options for Controlling the Debugger

• Example of Debugging Run-Time Errors in a Chart

Creating the Model and the Stateflow Chart

Debugging the Stateflow Chart

Correcting the Run-Time Error

Identifying Stateflow Objects in Error Messages

• Common Modeling Errors the Debugger Can Detect

State Inconsistencies in a Chart

Conflicting Transitions in a Chart

Data Range Violations in a Chart

Cyclic Behavior in a Chart

Guidelines for Avoiding Unwanted Recursion in a Chart

• Watching Data Values During Simulation

Watching Data in the Stateflow Debugger

Watching Stateflow Data in the MATLAB Command Window

• Changing Data Values During Simulation

How to Change Values of Stateflow Data

Examples of Changing Data Values

Limitations on Changing Data Values

• Monitoring Test Points in Stateflow Charts

About Test Points in Stateflow Charts

Setting Test Points for Stateflow States and Local Data with the Model Explorer

Using a Floating Scope to Monitor Data Values and State Activity

• Logging Data Values and State Activity

What You Can Log During Chart Simulation

Workflow for Logging States and Local Data

Example for Logging Workflow

Enabling Signal Logging and Choosing a Logging Format

Configuring States and Local Data for Logging

Accessing Logged Data

Viewing Logged Data

Logging Data in Library Charts

How Stateflow Logs Multidimensional Data

Limitations on Logging Data

• 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

Debugging and Testing Stateflow Charts

Controlling Inlining of State Functions in Generated Code

Using the Stateflow Debugger

Free Stateflow Interactive Kit

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

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Trials Available

Try the latest version of Stateflow.

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