Describe volatile, const, static keywords. How do you share data between interrupt handler and main thread if you do not have an OS with your embedded controller? How do you optimize linear piecewise function in terms of speed?

Question

Describe volatile, const, static keywords.  How do you share data between interrupt handler and main thread if you do not have an OS with your embedded controller?  How do you optimize linear piecewise function in terms of speed?

NV · Accepted Answer

Using (volatile?) global variables.

Anónimo · Answer

Lamport / Bakery , Dekkers, *Petersons*

Petersons is the easiest to implement and explain as it only requires 2 flags and 1 int.

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