Course

Unit I

Introduction to real-time operating systems – Tasks – Semaphores – Message Queues – Exceptions and Interrupts – Timer Services – I/O Subsystem – Memory Management

Unit II

Characteristics and Classification of real-time systems – Features to Real-time Systems – Performance measures for real time systems – Processor Utilization Factor – Real-time Scheduling: Clock –Driven, Priority- Driven – Multiprocessor scheduling.

Unit III

RTOS System Level Functions – Task Service Functions – Semaphore Related Functions – Queue Related Functions – Time Delay Functions – Memory Allocation Related Functions.

Case Study on RTOS based Antilock Braking System (ABS) and Advanced Driver Assistance Systems (ADAS).

Lab Content  45 hours

1. Study and analysis of the performance of the real-time
2. Compare and evaluate Real-Time Scheduling Algorithms using Simulation
3. Real-Time Data Acquisition and Processing for Automotive Temperature Sensors using an RTOS
4. Multitasking of Automotive Sensor Monitoring and Actuator Control using
5. Exchange the data between Tasks using RTOS IPC
6. Task synchronization using RTOS synchronization
7. RTOS Memory Management in Automotive
8. Simulate an RTOS-based ABS

Course Objectives

1. To make students’ understand the fundamental concepts, features, and classification of real-time
2. To explore real-time scheduling algorithms, including clock-driven and priority-driven approaches, to manage system tasks effectively.
3. To comprehend the necessity of an RTOS kernel
4. To familiarize with RTOS services designed to efficiently manage real-time

Course Outcomes

CO-PO Mapping

Skills acquired

Analysing and optimizing real-time system performance, implementing scheduling algorithms, and utilizing real- time operating system functionalities

1. Douglas Wilhelm Harder, Jeff Zarnett, Vajih Montaghami, Allyson Giannikouris, Jürgen Sauermann, Melanie, “A Practical Introduction to Real-time Operating Systems (RTOS)”, University of Waterloo ,2020.
2. Brian Amos, “Hands-On RTOS with Microcontrollers: Building Real-Time Embedded Systems Using FreeRTOS, STM32 MCUs, and SEGGER Debug Tools”, Packt Publishing Ltd, Second Ed., 2020
3. Colin Walls, “Building a Real-Time Operating System: RTOS from the Ground Up”, Newnes, First Ed.,2011.
4. Qing Li, Caroline Yao, “Real-Time Concepts for Embedded Systems” First , CRC Press, 2010.
5. V.K.K.Prasad, “Embedded Real-Time Systems: Concepts, Design & Programming”, Dreamtech press, First Ed., 2005.