Developing Embedded Systems With Zephyr Os
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Developing Embedded Systems with Zephyr OS
"Developing Embedded Systems with Zephyr OS" "Developing Embedded Systems with Zephyr OS" is a comprehensive guide crafted for engineers, developers, and technical architects aiming to harness the power of the Zephyr real-time operating system in modern embedded applications. This book meticulously explores Zephyr’s modular architecture, detailing its microkernel design, kernel scheduler, and the powerful hardware abstraction enabled by Kconfig and Devicetree. Starting from a solid grounding in system design, memory management, and architectural portability, readers gain a deep understanding of the foundational elements needed to construct robust, portable, and scalable IoT solutions across diverse MCU platforms. A hands-on approach takes readers through the set-up and optimization of the Zephyr development environment, including toolchain integration, board porting, and build automation using CMake and west. Special attention is devoted to critical RTOS concepts such as threading, synchronization, and inter-process communication, as well as best practices for developing reliable device drivers and leveraging Zephyr’s advanced networking stack for wireless and wired connectivity. In-depth coverage of filesystems, storage management, and secure over-the-air firmware updates ensures your embedded devices remain resilient, maintainable, and future-proof in demanding deployments. Security, power optimization, and advanced development workflows form the cornerstone of the book’s later chapters, with practical guidance on secure coding, cryptographic integration, and leveraging hardware isolation features such as TrustZone. Detailed discussions on energy profiling, low-power patterns, and energy harvesting techniques empower developers to create devices that balance rich functionality with extended battery life. The final chapters encapsulate best practices, diagnostic tools, open-source collaboration, and a forward-looking perspective on evolving trends within the Zephyr ecosystem, making this book an essential companion for professionals building the next generation of connected embedded systems.
Zephyr RTOS Embedded C Programming
These days the term Real-Time Operating System (RTOS) is used when referring to an operating system designed for use in embedded microprocessors or controllers. The “Real Time” part refers to the ability to implement applications that can rapidly responding to external events in a deterministic and predictable manner. RTOS-based applications have to meet strict deadline constraints while meeting the requirements of the application. One way of ensuring that urgent operations are handled reliably is to set task priorities on each task and to assign higher priorities to those tasks that need to respond in a more timely manner. Another feature of real-time applications is the careful design and implementation of the communication and synchronization between the various tasks. The Zephyr RTOS was developed by Wind River Systems, and subsequently open sourced. Its design and implementation are oriented towards the development of time critical IoT (Internet of Things) and IIoT (Industrial Internet of Things) applications, and, consequently it has a rich feature set for building both wireless and wired networking applications. However, with a rich feature set comes a fairly steep learning curve. This book covers the foundations of programming embedded systems applications using Zephyr's Kernel services. After introducing the Zephyr architecture as well as the Zephyr build and configuration processes, the book will focus on multi-tasking and inter-process communication using the Zephyr Kernel Services API. By analogy with embedded Linux programming books, this book will be akin a Linux course that focuses on application development using the Posix API. In this case, however, it will be the Zephyr Kernel Services API that will be the API being used as well as the Posix API features supported by Zephyr. What You’ll learn An Overview of the Cortex-M Architecture. Advanced data structures and algorithms programming (linked lists, circular buffers and lists). How to build Zephyr Applications, including setting up a Command Line Zephyr Development Environment on Linux. Task scheduling and pre-emption patterns used in Real Time Operating Systems. Scheduling, Interrupts and Synchronization, including threads, scheduling, and system threads. Overview of Symmetric Multiprocessing (SMP) and Zephyr support for SMP. Memory management, including memory heaps, memory slabs, and memory pools. Who This Book Is For Embedded Systems programmers, IoT and IIoT developers, researchers, BLE application developers (Industrial Control Systems, Smart Sensors, Medical Devices, Smart Watches, Manufacturing, Robotics). Also of use to undergraduate and masters in computer science and digital electronics courses.
Hands-On RTOS with Microcontrollers
Build reliable real-time embedded systems with FreeRTOS using practical techniques, professional tools, and industry-ready design practices Key Features Get up and running with the fundamentals of RTOS and apply them on STM32 Develop FreeRTOS-based applications with real-world timing and task handling Use advanced debugging and performance analysis tools to optimize applications Book DescriptionA real-time operating system (RTOS) is used to develop systems that respond to events within strict timelines. Real-time embedded systems have applications in various industries, from automotive and aerospace through to laboratory test equipment and consumer electronics. These systems provide consistent and reliable timing and are designed to run without intervention for years. This microcontrollers book starts by introducing you to the concept of RTOS and compares some other alternative methods for achieving real-time performance. Once you've understood the fundamentals, such as tasks, queues, mutexes, and semaphores, you'll learn what to look for when selecting a microcontroller and development environment. By working through examples that use an STM32F7 Nucleo board, the STM32CubeIDE, and SEGGER debug tools, including SEGGER J-Link, Ozone, and SystemView, you'll gain an understanding of preemptive scheduling policies and task communication. The book will then help you develop highly efficient low-level drivers and analyze their real-time performance and CPU utilization. Finally, you'll cover tips for troubleshooting and be able to take your new-found skills to the next level. By the end, you'll have built on your embedded system skills and will be able to create real-time systems using microcontrollers and FreeRTOS.What you will learn Understand when to use an RTOS for a project Explore RTOS concepts such as tasks, mutexes, semaphores, and queues Discover different microcontroller units (MCUs) and choose the best one for your project Evaluate and select the best IDE and middleware stack for your project Use professional-grade tools for analyzing and debugging your application Get FreeRTOS-based applications up and running on an STM32 board Who this book is for This book is for embedded engineers, students, or anyone interested in learning the complete RTOS feature set with embedded devices. A basic understanding of the C programming language and embedded systems or microcontrollers will be helpful.