sys/bit: add bit_checkXX() functions #16522
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A general `bit_checkXX` implementation was added with RIOT-OS#16522 to `sys/bit.h`, but still missing for kinetis MCUs.
elenaf9
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A general `bit_checkXX` implementation was added with RIOT-OS#16522 to `sys/bit.h`, but still missing for kinetis MCUs.
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Contribution description
There are functions to set and clear bits in a bit map, but no functions to check if a bit in a bit map is set.
Add those trivial functions for consistency.
Testing procedure
Read.
Issues/PRs references