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These blog posts relate to the design of reliable and safe embedded systems.

Introduction to Hierarchical State Machines (HSMs)

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The formalism of Hierarchical State Machines (aka statecharts) makes the state machine approach truly applicable to real-life embedded systems.

How to Have Polymorphism Without a Heap

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Rethinking basic programming techniques can avoid many of the problems that heap-based memory management poses for embedded real-time system designs.

Mutexes and Semaphores Demystified

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The question "What is the difference between a mutex and a semaphore?" is short and easily phrased.  Answering it is more difficult.  In this first installment of a series of articles on the proper use of a real-time operating system (RTOS), we examine the important differences between a mutex and a semaphore.

Bug-Killing Coding Standard Rules for Embedded C

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A C coding standard can help keep bugs out of embedded software by leveraging common language features and development tools.

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