BIN.h File Reference

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Macros
#define	_BIT(N, K)   (((N >> (3*K)) & 1) << K)
#define	_OCT_CODED_BIN(N)
#define	BIN11(N)   _OCT_CODED_BIN(0 ## N ## UL)
	Create a binary constant up to 11 digits long at compile time. More...
#define	HEX__(n)   0x##n##LU
#define	B8__(x)
#define	BIN8(d)   ((unsigned char)B8__(HEX__(d)))
	Generate a 16-bit constant in binary notation, in 8-bit strings. More...
#define	BIN16(dmsb, dlsb)   (((unsigned short)BIN8(dmsb) << 8) + BIN8(dlsb))
	Generate a 16-bit constant in binary notation, in 8-bit strings. More...
#define	BIN32(dmsb, db2, db3, dlsb)
	Generate a 32-bit constant in binary notation, in 8-bit strings. More...

Macro Definition Documentation

#define _BIT	(		N,
			K
	)		(((N >> (3*K)) & 1) << K)

#define _OCT_CODED_BIN

(

N

)

Value:

(_BIT(N, 0) | _BIT(N, 1) | _BIT(N, 2) | _BIT(N, 3) | \
 _BIT(N, 4) | _BIT(N, 5) | _BIT(N, 6) | _BIT(N, 7) | \
 _BIT(N, | _BIT(N, 9) | _BIT(N, 10))

#define B8__

(

x

)

Value:

((x&0x0000000FLU)?1:0) \
+((x&0x000000F0LU)?2:0) \
+((x&0x00000F00LU)?4:0) \
+((x&0x0000F000LU)?8:0) \
+((x&0x000F0000LU)?16:0) \
+((x&0x00F00000LU)?32:0) \
+((x&0x0F000000LU)?64:0) \
+((x&0xF0000000LU)?128:0)

#define BIN11

(

N

)

_OCT_CODED_BIN(0 ## N ## UL)

Create a binary constant up to 11 digits long at compile time.

int i = BIN(01100101001)

[By] Kaz Kylheku http://www.velocityreviews.com/forums/t620780-mathew-hendrys-macro-for-binary-integer-literals.html

See also

BIN8(), BIN11(), BIN16(), BIN32()

#define BIN16	(		dmsb,
			dlsb
	)		(((unsigned short)BIN8(dmsb) << 8) + BIN8(dlsb))

Generate a 16-bit constant in binary notation, in 8-bit strings.

The most significant byte is first.

unsigned int i = BIN16(10101010,01010101); // 43605 

[Tom] Torfs http://groups.google.com/group/comp.arch.embedded/msg/9d430b6d3da12c8f

See also

BIN8(), BIN11(), BIN16(), BIN32()

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

Value:

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

Generate a 32-bit constant in binary notation, in 8-bit strings.

The most significant byte is first.

unsigned int = BIN32(10000000,11111111,10101010,01010101); // 2164238933 

[Tom] Torfs http://groups.google.com/group/comp.arch.embedded/msg/9d430b6d3da12c8f

See also

BIN8(), BIN11(), BIN16(), BIN32()

#define BIN8

(

d

)

((unsigned char)B8__(HEX__(d)))

Generate a 16-bit constant in binary notation, in 8-bit strings.

The most significant byte is first.

unsigned int i = BIN8(01010101); // 85 

[Tom] Torfs http://groups.google.com/group/comp.arch.embedded/msg/9d430b6d3da12c8f

See also

BIN8(), BIN11(), BIN16(), BIN32()

#define HEX__

(

n

)

0x##n##LU