在阅读本书之前读者不需要对嵌入式系统软件有任何了解,只需要熟悉计算机程序设计的基本概念、学习过C程序设计语言即可。
本书适合作为高等院校计算机、电子、通信、软件工程等专业高年级学生嵌入式系统软件课程的教材,也可供那些对嵌入式系统软件编程的软件工程师参考。
本书特点
●易读性。本书从计算机程序设计概念的基础知识入手,以实例讲解的方式帮助读者快速掌握嵌入式系统软件设计的核心及**技术与技巧,内容讲解清晰明了,通俗易懂。
●实用性。本书注重工程能力,突出工程实践,作者把各种嵌入式系统的软件设计经验、开发技巧,以及面对问题时所需要掌握的必要知识与解决方案,同嵌入式系统软件的基本原理有机地结合在一起。
●通用性。本书并不针对某一种特定的微处理器或实时操作系统进行讲解,也不面向某一种软件设计方法。无论读者所设计的嵌入式系统软件采用哪一种微处理器、哪一种实时操作系统以及哪一种软件设计方法,本书所提供的原理、知识和程序设计技巧都是适用的。

1. A First Look at Embedded Systems
1.1 Examples of Embedded Systems
1.2 Typical Hardware
Chapter Summary
2. Hardware Fundamentals for the Software Engineer
2.1 Terminology
2.2 Gates
2.3 A Few Other Basic Considerations
2.4 Timing Diagrams
2.5 Memory
Chapter Summary
Problems
3. Advanced Hardware Fundamentals
3.1 Microprocessors
3.2 Buses
3.3 Direct Memory Access
3.4 Interrupts
3.5 Other Common Parts
3.6 Built-Ins on the Microprocessor
3.7 Conventions Used on Schematics
3.8 A Sample Schematic
3.9 A Last Word about Hardware
Chapter Summary
Problems
4. Interrupts
4.1 Microprocessor Architecture
4.2 Interrupt Basics
4.3 The Shared-Data Problem
4.4 Interrupt Latency
Chapter Summary
Problems
5. Survey of Software Architectures
5.1 Round-Robin
5.2 Round-Robin with Interrupts
5.3 Function-Queue-Scheduling Architectur
5.4 Real-Time Operating System Architecture
5.5 Selecting an Architecture
Chapter Summary
Problems
6. Introduction to Real-Time Operating Systems
6.1 Tasks and Task States
6.2 Tasks and Data
6.3 Semaphores and Shared Data
Chapter Summary
Problems
7. More Operating System Services
7.1 Message Queues, Mailboxes, and Pipes
7.2 Timer Functions
7.3 Events
7.4 Memory Management
7.5 Interrupt Routines in an RTOS Environment
Chapter Summary
Problems
8. Basic Design Using a Real-Time Operating System
8.1 Overview
8.2 Principles
8.3 An Example
8.4 Encapsulating Semaphores and Queues
8.5 Hard Real-Time Scheduling Considerations
8.6 Saving Memory Space
8.7 Saving Power
Chapter Summary
Problems
9. Embedded Software Development Tools
9.1 Host and Target Machines
9.2 Linker/Locators for Embedded Software
9.3 Getting Embedded Software into the Target System
Chapter Summary
10. Debugging Techniques
10.1 Testing on Your Host Machine
10.2 Instruction Set Simulators
10.3 The assert Macro
10.4 Using Laboratory Tools
Chapter Summary
Problems
11. An Example System
11.1 What the Program Does
11.2 Environment in Which the Program Operates
11.3 A Guide to the Source Code
11.4 Source Code
Summary
Problems
Afterword
Further Reading
Index