Macros are the lifeblood of embedded C. I have a use case where I need to read, shift, and OR a value, then write back. If I need to do that for more than 1 thi

Macros are the lifeblood of embedded C. I have a use case where I need to read, shift, and OR a value, then write back. If I need to do that for more than 1 thing, sure as shit I'll write a macro.