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Possible Duplicate:
how to get bit by bit data from a integer value in c?
I have a 8-bit byte and I want to get a bit from this byte, like
getByte(0b01001100, 3) = 1
Firstoff,
0bprefix is not C but a GCC extension of C.To get the value of the bit 3 of an
uint8_t a, you can use this expression:which would be evaluated to 1 if bit 3 is set and 0 if bit 3 is not set.