What Is Variable-Size Data? :: Using Variable-Size Data in Stateflow Charts (Stateflow®)

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Contents

Index

• Getting Started

Installation Instructions

Prerequisite Software

Product Dependencies

Setting Up Your Own Target Compiler

Using Stateflow Software on a Laptop Computer

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

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

Build It Yourself or Use the Supplied Model

Design Considerations for Defining State Actions and Variables

Writing an Entry Action

Writing a During Action

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

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

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 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

What Is Variable-Size Data?

How Charts Implement Variable-Size Data

Enabling Support for Variable-Size Data

Declaring Variable-Size Inputs and Outputs

• Example: Computing Output Based on Size of Input Signal

Rules for 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

• Using the API

• API Object Reference

• API Object Properties and Methods

API Method Reference

• Release Notes

What Is Variable-Size Data?

Variable-size data is data whose size can change at run time. By contrast, fixed-size data is data whose size is known and locked at compile time and, therefore, cannot change at run time.

Using Variable-Size Data in Stateflow Charts

Using Variable-Size Data in Stateflow Charts

How Charts Implement Variable-Size Data

How Charts Implement Variable-Size Data

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