零基础学习Arduino编程：C语言入门指南

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"《初学者C语言指南：为Arduino编程(第二版，2015)》是一本专为没有微控制器或编程经验但希望入门并学习这两者的人撰写的书籍。作者杰克·普德姆博士采用引人入胜的教学风格，通过25年大学教学经验精心设计的例子，引导读者掌握C编程语言。本书针对Arduino家族的微控制器，从基础编程概念如数据类型、决策结构和控制循环开始讲解，逐步深入到更复杂的C编程技术，如有效使用指针、了解C预处理器和文件I/O操作。书中章节内容循序渐进，每章都包含一系列实践性的练习和复习问题，旨在帮助读者巩固所学知识。读者不仅能学会如何编写控制电路，还能培养良好的编程技巧。此外，本书还适应了新项目和硬件板的更新，确保内容与当前技术保持同步。作者强调了版权信息，所有权利保留，仅允许在学术评价或简短摘录时例外。对于对Arduino有兴趣的初学者或者希望扩展自己技能的工程师来说，这是一本实用的指南，不仅提供了理论知识，而且提供了实际操作中的应用示例，有助于理解和应用C语言来开发交互式电子设备。通过跟随这本书的学习，读者将建立起扎实的编程基础，并具备在物联网(IoT)领域进行创新的潜力。"

■ CONTENTS

■Chapter 10: Structures, Unions, and Data Storage ............................................ 219

Structures ..................................................................................................................... 219

Declaring a Structure ..........................................................................................................................220

Deﬁ ning a Structure ...........................................................................................................................221

Accessing Structure Members ...........................................................................................................222

Escape Sequences .............................................................................................................................224

Memory Requirements for a Structure ...............................................................................................225

Returning a Structure from a Function Call ........................................................................................226

Using Structure Pointers .....................................................................................................................228

Initializing a Structure ........................................................................................................................231

Arrays of Structures ............................................................................................................................231

Unions .......................................................................................................................... 232

EEPROM Memory ......................................................................................................... 233

Using EEPROM ....................................................................................................................................234

Other Storage Alternatives ........................................................................................... 242

Shields ................................................................................................................................................242

typedef ......................................................................................................................... 247

Summary ...................................................................................................................... 248

■Chapter 11: The C Preprocessor and Bitwise Operations .................................. 253

Preprocessor Directives ............................................................................................... 253

#undef ................................................................................................................................................255

#line ....................................................................................................................................................256

#if, Conditional Directives ...................................................................................................................257

#include ..............................................................................................................................................258

Parameterized Macros ................................................................................................. 259

Decimal to Binary Converter ........................................................................................ 261

Bitwise Operators ...............................................................................................................................263

Bitwise Shift Operators .......................................................................................................................267

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■ CONTENTS

xvi

One More Example ....................................................................................................... 268

Using Different Bases for Integer Constants.......................................................................................269

Parameterized Macros … Continued .................................................................................................269

Summary ...................................................................................................................... 270

■Chapter 12: Arduino Libraries ........................................................................... 277

The Linker .................................................................................................................... 277

Libraries ....................................................................................................................... 278

Arduino Libraries ................................................................................................................................278

The Arduino Core Libraries .................................................................................................................280

Other Libraries ....................................................................................................................................285

Writing Your Own Library .............................................................................................. 287

The Library Header File ......................................................................................................................288

The Library Code File (Dates.cpp) .......................................................................................................289

Setting the Arduino IDE to Use Your Library ................................................................. 292

A Sample Program Using the Dates Library ................................................................. 292

Adding the Easter Program As Part of the Library ..............................................................................294

The keywords.txt File .........................................................................................................................295

Keyword Coloring (theme.txt) .............................................................................................................295

Summary ...................................................................................................................... 297

■Chapter 13: Interfacing to the Outside World .................................................... 299

The Serial Peripheral Interface (SPI) ............................................................................ 300

An SPI Program ............................................................................................................ 300

Interrupts and Interrupt Service Routines (ISR)............................................................ 305

Interrupt Details ..................................................................................................................................307

An External Interrupt Program ............................................................................................................308

An Alternative Interrupt Program.................................................................................. 310

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■ CONTENTS

xvii

Ultrasonic Sensor Program .......................................................................................... 311

A Programming Problem .............................................................................................. 314

My Solution .........................................................................................................................................314

Conclusion .................................................................................................................... 318

■ Chapter 14: A Gentle Introduction to Object-Oriented

Programming and C++ ...................................................................................... 321

The OOP Trilogy ............................................................................................................ 321

Encapsulation .....................................................................................................................................321

Inheritance ..........................................................................................................................................322

Polymorphism .....................................................................................................................................323

The OOP Class .............................................................................................................. 323

Inside an OOP Class ............................................................................................................................324

OOP and Class Objects .......................................................................................................................325

public vs. private in a Class ................................................................................................................325

The EEPROM.cpp File ................................................................................................... 327

Add julian() to Dates ..................................................................................................... 329

Adding a private Class Member ................................................................................... 330

Constructors and Destructors ...................................................................................... 332

Conclusion .................................................................................................................... 336

Appendix A: Suppliers and Sources ...................................................................... 339

Starter Kits ................................................................................................................... 339

Shields, Boards, Sensors .............................................................................................. 342

Speciﬁ c Parts Sources ................................................................................................. 347

Bezels .................................................................................................................................................347

Jumper Wires......................................................................................................................................348

Project Cases ......................................................................................................................................348

Domestic Parts Suppliers ...................................................................................................................348

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