<macros> Helpfull macros

Macros
#define	NOP()   {asm volatile("nop"::);}
	Assemlby NOP instruction. More...
#define	ELEMS(p)   (sizeof(p)/sizeof(p[0]))
	Number of elements. More...
#define	NOINIT   __attribute__ ((section (".noinit")))
	Create non initialized variable. More...
#define	CONNECT_NAMES(a, b)   XCONNECT_NAMES(a, b)
	Concat two mnemonics. More...
#define	MAKE_TEXT(x)   XMAKE_TEXT(x)
	Change mnemonic to string. More...
#define	MIN(a, b)   ( (a) < (b) ? (a) : (b) )
	Minimum value. More...
#define	MAX(a, b)   ( (a) > (b) ? (a) : (b) )
	Maximum value. More...

Detailed Description

Group of helpfull macros for common usage

Macro Definition Documentation

#define CONNECT_NAMES	(		a,
			b
	)		XCONNECT_NAMES(a, b)

Concat two mnemonics.

Macro that concats two mnemonics

#define ELEMS

(

p

)

(sizeof(p)/sizeof(p[0]))

Number of elements.

Macro that counts number of elements inside the table

Examples:

base/main.c.

#define MAKE_TEXT

(

x

)

XMAKE_TEXT(x)

Change mnemonic to string.

Macro changes given argument to text in quotes

#define MAX	(		a,
			b
	)		( (a) > (b) ? (a) : (b) )

Maximum value.

Macro that takes maximum value of two

See Also

MIN

#define MIN	(		a,
			b
	)		( (a) < (b) ? (a) : (b) )

Minimum value.

Macro that takes minimum value of two

Attention

Do not modify a or b value in macro call. It may give unexpeced result

#define NOINIT   __attribute__ ((section (".noinit")))

Create non initialized variable.

Syntax sugar for putting variable into .noinit section

#define NOP

(

)

{asm volatile("nop"::);}

Assemlby NOP instruction.

Empty instruction, that may be used for delays or synchronization