Binary

Macros
#define	BIT_(n)   (1U << (n))
	n-th Bit
#define	BIT_SET_(x, n)   ( (x) | BIT_(n) )
	set n-th bit of x to 1
#define	BIT_CLR_(x, n)   ( (x) & (~BIT_(n)) )
	clear n-th bit of x
#define	BIT_TEST_(x, n)   ( ((x) & BIT_(n)) ? true : false )
	check if n-th bit of x is 1
#define	_B8__(x)
#define	BIN8(d)   ((uint8_t) _B8__(0x##d##UL))
#define	BIN16(dmsb, dlsb)   (((uint16_t)BIN8(dmsb)<<8) + BIN8(dlsb))
#define	BIN32(dmsb, db2, db3, dlsb)

Functions
static uint32_t	bit_set (uint32_t value, uint8_t n) ATTR_CONST ATTR_ALWAYS_INLINE
static uint32_t	bit_clear (uint32_t value, uint8_t n) ATTR_CONST ATTR_ALWAYS_INLINE
static bool	bit_test (uint32_t value, uint8_t n)
	create a mask with n-bit lsb set to 1
static uint32_t	bit_mask (uint8_t n) ATTR_CONST ATTR_ALWAYS_INLINE
static uint32_t	bit_mask_range (uint8_t start, uint32_t end) ATTR_CONST ATTR_ALWAYS_INLINE
static uint32_t	bit_set_range (uint32_t value, uint8_t start, uint8_t end, uint32_t pattern) ATTR_CONST ATTR_ALWAYS_INLINE

Detailed Description

Macro Definition Documentation

#define _B8__

(

x

)

Value:

(((x&0x0000000FUL)?1:0) \
                +((x&0x000000F0UL)?2:0) \
                +((x&0x00000F00UL)?4:0) \
                +((x&0x0000F000UL)?8:0) \
                +((x&0x000F0000UL)?16:0) \
                +((x&0x00F00000UL)?32:0) \
                +((x&0x0F000000UL)?64:0) \
                +((x&0xF0000000UL)?128:0))

Definition at line 107 of file binary.h.

#define BIN32	(		dmsb,
			db2,
			db3,
			dlsb
	)

Value:

(((uint32_t)BIN8(dmsb)<<24) \
            + ((uint32_t)BIN8(db2)<<16) \
            + ((uint32_t)BIN8(db3)<<8) \
            + BIN8(dlsb))

Definition at line 118 of file binary.h.