嵌入式系统开发（影印版） 下载 pdf 百度网盘 epub 免费 2025 电子书 mobi 在线

是否有兴趣开发嵌入式系统？这些系统无法容忍低下的效率，它们需要遵循严格的方式进行编程。《嵌入式系统开发(影印版)》这本易于阅读的指南通过经典的软件设计模式和嵌入式编程的全新模式来帮助你培养许多良好的开发习惯。你会学习到如何为处理器而不是操作系统来搭建系统架构，并且了解到处理硬件问题和制造工艺所需的特殊技术。这本书的作者创建过各种各样的嵌入式系统，从城市监控和DNA扫描仪到儿童玩具。本书适合于中等和有经验的编程人员，无论你使用的是什么平台。本书由怀特(White,E.)著。

Preface1. Introduction Compile, Languages, and Object-Oriented Programming Embedded System Development Debugging More Challenges Principles to Confront Those Challenges Further Reading2. Creating a System Architecture Creating System Diagrams The Block Diagram Hierarchy of Control Layered View From Diagram to Architecture Encapsulate Modules Delegation of Tasks Driver Interface: Open, Close, Read, Write, IOCTL Adapter Pattern Getting Started with Other Interfaces Example: A Logging Interface A Sandbox to Play In Further Reading3. Getting Your Hands on the Hardware Hardware/Software Integration Ideal Project Flow Board Bring-Up Reading a Datasheet Datasheet Sectio You Need When Things'Go Wrong Important Text for Software Develope Evaluating Components Using the Datasheet Your Processor Is a Language Reading a Schematic Having a Debugging Toolbox (and a Fire Extinguisher) Keep Your Board Safe Toolbox Digital Multimeter Oscilloscopes and Logic Analyze Testing the Hardware (and Software) Building Tests Flash Test Example Command and Respoe Command Pattern Dealing with Erro Coistent Methodology Error-Handling Library Debugging Timing Erro Further Reading4. Outputs, Inputs, and Time Toggling an Output Starting with Registe Set the Pin to Be an Output Turn On the LED Blinking the LED Troubleshooting Separating the Hardware from the Action Board-Specific Header File I/O-Handling Code Main Loop Facade Pattern The Input in I/O A Simple Interface to a Button Momentary Button Press Interrupt on a Button Press Configuring the Interrupt Debouncing Switches Runtime Uncertainty Dependency Injection Using a Timer Timer Pieces Doing the Math A Long Wait Between Timer Ticks Using the Timer Using Pulse-Width Modulation Shipping the Product Further Reading5. Managing the FIow 0fActiviB~ Scheduling and Operating System Basics Tasks Communication Between Tasks Avoiding Race Conditio Priority Inveion State Machines State Machine Example: Stoplight Controller State-Centric State Machine State-Centric State Machine with Hidden Traitio Event-Centric State Machine State Pattern Table-Driven State Machine Choosing a State Machine Implementation Interrupts An IRQ Happe Save the Context Get the ISR from the Vector Table Calling the ISR Restore the Context When to Use Interrupts How Not to Use Interrupts Polling System Tick Time-Based Events A Very Small Scheduler Watchdog Further Reading6. Communicating with Peripherals The Wide Reach of Peripherals External Memory Butto and Key Matrices Seo Actuato Displays So Many Ways of Communicating Serial Parallel Ethernet and WiFi Putting Peripherals and Communication Together Data Handling Adding Robustness to the Communication Changing Data Changing Algorithms Further Reading7. Updating Code Onboard Bootloader Build Your Own Updater Modifying the Resident Updater Brick Loader Copy Loader to RAM Run the Loader Copy New Code to Scratch Dangerous Time: Erase and Program Reset to New Code Security Linker Scripts Summary8. Doing More with Less Code Space Reading a Map File (Part 1) Process of Elimination Libraries Functio and Macros Cotants and Strings RAM Remove malloc Reading a Map File (Part 2) Registe and Local Variables Function Chai Pros and Co of Globals Memory Overlays Speed Profiling Optimizing Summary Further Reading9. Math Identifying Fast and Slow Operatio Taking an Average Use an Existing Algorithm Designing and Modifying Algorithms Factor Polynomials Taylor Series Dividing by a Cotant Scaling the Input Lookup Tables Fake Floating-Point Numbe Rational Numbe Precision Addition (and Subtraction) Multiplication (and Division) Determining the Error Further Reading10. Reducing Power Coumption Undetanding Power Coumption Turn Off the Light When You Leave the Room Turn Off Peripherals Turn Oft" Unused I/O devices Turn Off Processor Subsystems Slowing Down to Coerve Energy Putting the Processor to Sleep Interrupt-Based Code Flow Model A Closer Look at the Main Loop Processor Watchdog Avoid Frequent Wake-Ups Chained Processo Further ReadingIndex

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