MicroC/OS-II: The Real-Time Kernel
Showcases the new features in version 2.0, demonstrates the operating system's abilities, and offers a concise explanation of real-time computing
Why Read This Book
You should read MicroC/OS-II if you want a compact, code-first introduction to how a small, commercial RTOS is designed, implemented, and used in real embedded projects. You will learn concrete kernel services, practical porting techniques, and how to apply deterministic real-time concepts to microcontrollers using real source code examples.
Who Will Benefit
Embedded firmware engineers or advanced students with basic C and MCU experience who need a hands-on reference for RTOS services, kernel internals, and porting techniques.
Level: Intermediate — Prerequisites: C programming (pointers, structures), basic microcontroller architecture and interrupts, and familiarity with compiling/linking embedded code and using a debugger.
Key Takeaways
- Understand the architecture and design decisions behind a small preemptive RTOS kernel
- Implement and configure tasks, priorities, scheduling, and time-management services
- Use inter-task communication primitives (semaphores, mailboxes, queues) safely in firmware
- Port the kernel to different processors by adapting context-switching and interrupt handling
- Analyze and reason about real-time behavior, determinism, and timing constraints
- Integrate the RTOS into real embedded applications with practical examples and test strategies
Topics Covered
- Introduction to Real-Time Concepts and MicroC/OS-II
- Kernel Architecture and Design Goals (v2.0 highlights)
- Task Management: Creation, Deletion, and Context Switching
- Scheduling, Priorities, and Time Management
- Intertask Communication: Semaphores, Mailboxes, and Queues
- Mutual Exclusion and Resource Management
- Interrupt Handling and ISR-to-Task Interactions
- Memory Management and Stack Considerations
- Porting MicroC/OS-II to New Processors
- System Configuration, Initialization, and Building the Kernel
- Example Applications and Practical Usage Patterns
- Debugging, Performance Analysis, and Real-Time Testing
- Appendices: API Reference, Data Structures, and Port Samples
Languages, Platforms & Tools
How It Compares
More code-centric and porting-oriented than textbook treatments like Liu's Real-Time Systems; compared with modern open-source RTOS guides (e.g., FreeRTOS documentation), Labrosse's book focuses more on kernel internals and a single, well-documented commercial kernel.













