Course Introduction:

This course is ideal for engineers who are new to the field of real-time. It is also applicable to both managers and engineers who are considering the use of Real-Time Operating Systems on future projects.

Course Objective:

Appreciate the use of multitasking techniques in real-time systems.
Understand the fundamental concepts of real-time operating systems.
Understand the features and structures of practical implementations.
Appreciate how application areas (e.g. safety-critical, desktop, etc.) impact on RTOS facilities.
Be competent to progress to vendor-specific detailed training.

Suitable for:

This course is ideal for engineers who are new to the field of real-time. It is also applicable to both managers and engineers who are considering the use of Real-Time Operating Systems on future projects.

Pre-requisites:

Knowledge of a high level language (e.g. C, C++, etc.)
An understanding of the fundamentals of computer-based systems

COURSE CONTENTS

Introduction to Embedded Systems

Basic Components of a System
Processor
Memory
I/O
Applications

An overview on Embedded Software Life Cycle Development

Introduction to Real time system
Types of RTS
Hard
Soft
Firm

Choosing a right mix

Types of OS under Embedded Systems

Mobile OS
Embedded OS
RTOS

Introduction to Real Time Operating Systems (RTOS).

Common terms used in Operating systems and also in RTOS.
Types of kernel: Micro vs. Monolithic
Commercial RTOS
An example RTOS: VX-Works
Other RTOS: A brief on SMX( H-RTOS )
Components of RTOS.

Components of RTOS

Task and Thread
What is a process, task, and thread
The task states
The control block: Program structure
The functionalities for a task
Thread
Basic program structure
The real need of Thread
Parallel execution
Parallel Hardware architecture
Atomicity support
Software architecture
Types of thread
User/Kernel level threads

Introduction to various scheduling policies

Some common scheduling mechanism
Non-preemptive
Cooperative
Preemptive
Static scheduling
Dynamic scheduling

Memory management

Address Spaces
Physical, virtual, linear, and logical memory
Hierarchy of memory (MTD)
X86 Memory Model (Typical Example)
Segmentation
Paging
A program memory Map [Model dependent]
Memory allocation and reallocation
Fixed partition
Dynamic

Inter Process Communication

Direct Communication
Indirect Communication
Mailbox
Pipes
Message queue
Shared memory
Signal
Inter process Synchronization
Semaphores
Binary and Counting semaphore.
Priority inversion
Problems and solution around them.

Introduction to Interrupts and Timer

ISR fundamental
Timer Fundamental

Understanding the Application's need