bits.h File Reference

Macros to make bit manipulation easier. More...

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Macros
#define	bit_get(p, m)   ((p) & (0x01 << m))
#define	bit_set(p, m)   ((p) |= (0x01 << m))
#define	bit_clear(p, m)   ((p) &= ~(0x01 << m))
#define	bit_flip(p, m)   ((p) ^= (0x01 << m))
#define	BIT(x)   (0x01 << (x))

Detailed Description

Macros to make bit manipulation easier.

Author

Benjamin Pritchard (ben@b.nosp@m.enny.nosp@m.p.org)

Copyright

2013 Benjamin Pritchard. Released under the MIT License

Definition in file bits.h.

Macro Definition Documentation

#define BIT

(

x)

(0x01 << (x))

Convert a bit position to a bit

Definition at line 23 of file bits.h.

#define bit_clear	(		p,
			m
	)		((p) &= ~(0x01 << m))

Clear bit m in register p

Definition at line 17 of file bits.h.

#define bit_flip	(		p,
			m
	)		((p) ^= (0x01 << m))

Flip or toggle bit m in register p

Definition at line 20 of file bits.h.

#define bit_get	(		p,
			m
	)		((p) & (0x01 << m))

Get bit m in register p

Definition at line 11 of file bits.h.

#define bit_set	(		p,
			m
	)		((p) |= (0x01 << m))

Set bit m in register p

Definition at line 14 of file bits.h.