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Real Time Operating Systems

 

 

17IT90 - REAL TIME OPERATING SYSTEMS

(Add on course – I)
Pre-requisites:   Operating Systems, Computer Organization & Architecture.

Course Outcomes:

 CO1: Summarize the Components of Real Time Systems and their programming.

CO2: Differentiate the Static and Dynamic memory allocation strategies.

CO3: Apply Synchronization techniques forResource management in Real Time Systems.

CO4: Analyze deadlock management techniques and communication in distributed systems.

CO5: Illustrate file management and data management techniques.

 UNIT – I:

Introduction To Real-Time Systems: What is a real-time system? Case study: anti-lock braking system, Components of real-time systems, the history of real-time programming.

Real-time, embedded and operating-system programming: Programming languages, The C programming language, Software engineering and development, Summary of real-time programming.

Basics of RTOS PPT

Click Here for UNIT-I PPT

UNIT-I Objective Questions - Click Here

UNIT-I Descriptive Questions - Click Here

UNIT-I Assignment Questions - Click Here

 UNIT – II:

Static memory allocation: The requirements of a function, The Cortex-M3 design, set jump and long jump, Summary of static memory allocation.

Dynamic memory allocation: Abstract dynamic memory allocator, Allocation strategies, Case study: Free RTOS, Other features: clearing and Summary of dynamic memory allocation.

Click Here for UNIT-II PPT

UNIT-II Objective Questions - Click here


UNIT-II Descriptive Questions - Click here

UNIT-II Assignment Questions - Click Here

UNIT – III:

Synchronization: The need for synchronization, Petri nets—describing synchronizations graphically, Synchronization through token passing, Test-and-reset—a crude signal with polling, Semaphores—a better signal without polling, Problems in synchronization , Automatic synchronization, Summary of synchronization.

Resource management: Semaphores, Classification of resources, Device management, Resource managers, Priority and deadline inversion, Summary of resource management.

Click Here for UNIT-III PPT

UNIT-III Objective Questions - Click here


UNIT-III Descriptive Questions - Click here

UNIT-III Assignment Questions - Click Here

UNIT - IV:

Deadlock: Requirements for deadlock, Deadlock modelling, Techniques for preventing deadlock during the design, Deadlock detection and recovery, Deadlock avoidance.

Communication and distributed systems: Classification of communications, Solutions for communication, Priorities of messages, Synchronization, Coordination through election algorithms, when a message is sent over Network communications.

Click Here for UNIT-IV PPT

UNIT-IV Objective Questions - Click here


UNIT-IV Descriptive Questions - Click here

UNIT-IV Assignment Questions - Click Here

UNIT - V:

File management: Block addressable, Files, Organization, File systems, Data formats, the file abstraction, Keil RTX RTOS.

Data management: Linear data structures, Hash tables, Graphs, Non-relational databases, Relational databases.

Click Here for UNIT-V PPT

UNIT-V Objective Questions - Click here


UNIT-V Descriptive Questions - Click here

UNIT-V Assignment Questions - Click Here

TEXTBOOKS:

Douglas Wilhelm Harder, Jeff Zarnett, Vajih Montaghami and Allyson Giannikouris  - 

A practical introduction to real-time systems for undergraduate engineering

 

REFERENCES:

Realtime Operating Systems - Concepts and Implementation of Microkernels for Embedded Systems - Dr. Jürgen Sauermann, Melanie Thelen.

 


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