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Real-Time Embedded Systems Concepts and Practices
  • Level Professional
  • Duration 51 hours
  • Course by University of Colorado Boulder
  • Offered by

About

This course can also be taken for academic credit as ECEA 5315, part of CU Boulder’s Master of Science in Electrical Engineering degree. Course Description: In this course, students will design and build a microprocessor-based embedded system application using a real-time operating system or RT POSIX extensions with Embedded Linux. The course focus is on the process as well as fundamentals of integrating microprocessor-based embedded system elements for digital command and control of typical embedded hardware systems. Lab Description: The course requires the student to install embedded Linux on the Raspberry Pi ARM A-Series System-on-Chip processor. This course must be completed using a Raspberry Pi as an embedded system (headless) not a PC running Linux. You will however find Linux as a useful host development system or Windows with an SSH terminal access tool such as Putty, MobaXterm, or equivalent.

Modules

Introduction

    • 1 Videos
    • 3 Readings
    • 1 Discussion
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1 Discussions

  • Introduce Yourself

1 Videos

  • Course Introduction

3 Readings

  • EXTRA HELP: Home Lab Set Up
  • EXTRA HELP: Code Walkthroughs and Demonstrations
  • Scan and Question RTES Terminology

Real-Time Challenges and Concepts

    • 3 Videos
    • 1 Quiz
    • 1 Programming
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1 Programming

  • Assignment 1 : Hello World ! - Simple thread Creation

3 Videos

  • Predictable response software
  • Simple Linux real-time services compared to non-real-time - introduction
  • Simple Linux real-time services compared to non-real-time - conclusion

1 Quiz

  • Basic Concepts and Terminology

Real-Time Fundamentals and Architecture Styles

    • 2 Videos
    • 1 Readings
    • 1 Quiz
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2 Videos

  • Introduction to Scheduling Theory for Real-Time Systems
  • RM Optimal Priority Policy and Service Request and Response Timeline

1 Readings

  • EXTRA HELP: Code Walkthroughs and Demonstrations

1 Quiz

  • Scheduling policies

Comparison of Linux POSIX Real-Time Threads to RTOS and MFE (Multi-Frequency Executive)

    • 2 Videos
    • 1 Readings
    • 1 Quiz
    • 1 PeerReview
    • 1 Programming
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1 Programming

  • Assignment-2 :Multiple Threads

1 Peer Review

  • Basic and Multi-Threaded Code Review

2 Videos

  • Timing Analysis - Rate Monotonic Priority Assignment Policy By Example
  • Challenges with Linux User and Kernel Space Real-Time Applications

1 Readings

  • EXTRA HELP: Code Walkthroughs and Demonstrations

1 Quiz

  • Services

Module 1 - Review of Concepts Discussed

    • 1 Readings
    • 1 Quiz
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1 Readings

  • Re-Read, Recite, and Review RTES Terminology we Used

1 Quiz

  • Module 1 | POSIX Threads and Linux Systems

Real-Time Utility Curves and Practice Creating SRT and HRT Threads

    • 3 Videos
    • 1 Quiz
    • 1 PeerReview
    • 1 Programming
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1 Programming

  • Assignment 3 : Implementing Linux real-time threads

1 Peer Review

  • Assignment 3 : Implementing Linux real-time threads

3 Videos

  • Code Demonstration: SMP compared to AMP
  • Code Walkthrough: Starter code for AMP using thread affinity
  • Real-Time Scheduling Utility Curves

1 Quiz

  • Real time Utility curves

Measuring and Tracking Relative and Absolute Time on RT Embedded Systems

    • 2 Videos
    • 1 PeerReview
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1 Peer Review

  • CPU Core Affinity and RT Clock Code Review

2 Videos

  • Code Walkthrough: RT Clock
  • Review of absolute time and date standards and resources

Rate Monotonic Timing Analysis of Feasibility and Safety Margin

    • 2 Videos
    • 2 Readings
    • 1 Quiz
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2 Videos

  • Rate Monotonic Scheduling Analysis by Worst Case Inspection
  • Rate Monotonic Scheduling - Feasibility vs. Safety and Exceeding the RM LUB

2 Readings

  • Scan and Question Original paper on Rate Monotonic theory (Liu & Layland)
  • Optional reading on Linux NPTL and SCHED_DEADLINE

1 Quiz

  • Rate Monotonic Scheduling

Review of Concepts and Module 2 Quiz

    • 1 Readings
    • 1 Quiz
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1 Readings

  • Re-Read, Recite, and Review RTES Terminology we Used

1 Quiz

  • Module 2 | Real-Time Systems Analysis, Harmonic Services and RMA Scheduling Policy

Fixed Priority RMA - Interference, Preemption and Scheduler State Machine

    • 4 Videos
    • 1 Quiz
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4 Videos

  • Priority Preemptive Scheduler State Machine For Linux and VxWorks
  • Service Code Structure driven by Interrupts
  • Summary of Key Points and Liu & Layland RMA Uses and Limitations
  • More Details on Liu and Layland RMA Limitations and Work-arounds

1 Quiz

  • Real-Time Scheduling and Service Requests

Methods of Sequencing Service Requests by Example

    • 3 Videos
    • 1 PeerReview
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1 Peer Review

  • Practice Using Generic Sequencer to Create Scenario

3 Videos

  • Code Walkthrough: POSIX Software Interval Timer Example
  • Code Walkthrough: Generic Sequencing using an Interval Timer
  • Comparison of Cyclic Executive, RTOS and Linux RT Service Implementation

Software Scheduling and Real-Time Policies and Schedulers

    • 6 Videos
    • 1 PeerReview
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1 Peer Review

  • Using Cheddar to Check Hand Analysis of Schedules

6 Videos

  • Introduction to Worst Case Analysis hand diagramming of RM schedules
  • Worst Case Analysis schedule where RM fails (above the LUB)
  • Example where RM succeeds above the LUB for a harmonic service set
  • Example of scheduling above the LUB at 100% utility that is feasible
  • Analysis of a harmonic service schedule by hand diagramming for RM and RR
  • Introduction to Cheddar RMA Tool

Module 3 Quiz

    • 1 Readings
    • 1 Quiz
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1 Readings

  • Re-Read, Recite, and Review RTES Terminology we Used

1 Quiz

  • Module 3 | Review and Basic Timing Analysis by Hand and with Cheddar

Multi-Core Processors - Simple Microcontroller, Real-Time and Advanced

    • 2 Videos
    • 1 Readings
    • 1 PeerReview
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1 Peer Review

  • Real-Time Architecture and Configuration for Applications

2 Videos

  • Introduction - ARM M-Series, R-Series, and A-Series
  • Overview of Single Board Computers used for Real-Time Education

1 Readings

  • Space Shuttle Multi-Frequency Executive Architecture

RTOS Options (Open or Proprietary) and OS with POSIX Real-Time Extensions

    • 1 Videos
    • 1 PeerReview
    • 1 Programming
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1 Programming

  • Assignment 4 :Pthreads with CPU core affinity in Linux to Emulate AMP

1 Peer Review

  • Assignment 4 :Pthreads with CPU core affinity in Linux to Emulate AMP

1 Videos

  • Using Linux for this Course - Rationale and Observations

Use of Co-Processors in Real-Time Systems

    • 1 Videos
    • 1 Quiz
    • 1 PeerReview
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1 Peer Review

  • Using Multiple Cores with Threads to Speed-up Processing

1 Videos

  • Code Demonstration: Thread Gridding Concepts for Multi-Core

1 Quiz

  • AMP/SMP and Co-Processors

Section 4 Quiz

    • 1 Readings
    • 1 Quiz
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1 Readings

  • Re-Read, Recite, and Review RTES Terminology we Used

1 Quiz

  • Module 4 | Gear up for the Final Exam!

Auto Summary

Explore the fundamentals of designing and building microprocessor-based embedded systems with "Real-Time Embedded Systems Concepts and Practices." Guided by Coursera, this professional-level course focuses on using real-time operating systems and Embedded Linux with Raspberry Pi. Perfect for those in Science & Engineering, you'll gain hands-on experience in digital command and control of embedded hardware systems. Part of CU Boulder’s Master’s in Electrical Engineering, it offers flexible subscription options to suit your learning needs.

Sam Siewert
Instructor

Sam Siewert