Avoid Concurrency Defects

Accesses to variables shared among multiple threads of execution must be protected via disabling interrupts, using a mutex, or some other rigorously applied concurrency management approach.Consequences:Incorrect or lax use...

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Ensure Code Is Modular

Critical embedded software should be modular, and in particular should limit function size to no more than 1-2 pages of code including comments.Consequences: Poor modularity can reasonably be expected to result in code...

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Minimize Use of Global Variables

Critical embedded software should use the minimum practicable variable scope for each variable, and should minimize use of global variables. As one of the chapters in my book says, Global Variables Are Evil.  Over-use...

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Avoid High Cyclomatic Complexity

Cyclomatic complexity is a measure of the number of paths through a particular piece of code (a higher number means the software is more complex). Critical software functions with high cyclomatic complexity are one type...

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