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These blog posts discuss the proper structure of embedded systems designs.

How to Prioritize RTOS Tasks (and Why It Matters)

Presented by Barr Group Principal Engineer Salomon Singer, this webinar examines best practices for assigning fixed priorities to a set of real-time operating systems (RTOS) tasks and interrupt service routines (ISRs). Viewers will learn how and why to use optimal methods to allow a critical set of tasks and interrupt service routines to meet all of their deadlines – even during transient overload periods. Lessons learned can be applied to the development of any priority-based preemptive RTOS, including real-time Linux.

Introduction to Rate Monotonic Scheduling

If you've got a lot of real-time tasks and tight deadlines, what's the best way to prioritize them? A technique called RMA guides the way.

The scheduling algorithm you choose depends on your goals. Different algorithms yield different results. Let's suppose you're given ten jobs and each will take a day to finish. In ten days, you will have all of them done. But what if one or more has a deadline? If the ninth task given to you has a deadline in three days, then doing the tasks in the order you receive them will cause you to miss that deadline.

How to Prevent and Detect Stack Overflow

The safety and security of every embedded system is dependent upon proper operation of the stack (or stacks, if there are multiple). If a stack overflow occurs, a major or minor malfunction is very likely to follow. Despite this, the stack in the majority of embedded systems is sized based on nothing more than a hunch. As well, run-time stack monitoring is too seldom used.

New Training from Barr Group Aims to Improve Safety-Critical Embedded Systems Design

One-Day Course Teaches Top 10 Ways to Create Safer Products

GERMANTOWN, Maryland – July 6, 2016 – Barr Group, The Embedded Systems Experts™, today announced a new one-day training course to help embedded software development teams build safer products. The new course, “Top 10 Ways to Design Safer Embedded Software,” focuses exclusively on valuable techniques that engineers should use to create more reliable product designs.

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