csu3_am335x/EVSE/GPL/open-plc-utils-0.3/tools/flags.h

/*====================================================================*
 *
 *   flags.h - bitmap flagword definitions and declarations;
 *
 *   Motley Tools by Charles Maier;
 *   Copyright 2001-2006 by Charles Maier Associates;
 *   Licensed under the Internet Software Consortium License;
 *
 *--------------------------------------------------------------------*/

#ifndef FLAGS_HEADER
#define FLAGS_HEADER

/*====================================================================*
 *   system header files;
 *--------------------------------------------------------------------*/

#include <stdint.h>

/*====================================================================*
 *   define macros for common, but error prone, bitmap operations;
 *--------------------------------------------------------------------*/

#define _bits(object) (sizeof (object) << 3)
#define _getbits(map,pos,cnt) (((map)>>((pos)-(cnt)+1))&~(~(0)<<(cnt)))

#define _bitmask(bits) (~(~(0) << bits))

#define _setbits(flag,mask) (flag |=  (mask))
#define _clrbits(flag,mask) (flag &= ~(mask))
#define _toggle(flag,mask)  (flag = ~(flag) & ~(mask))

#define _anyset(flag,mask) (((flag) & (mask)) != (0))
#define _anyclr(flag,mask) (((flag) & (mask)) != (mask))
#define _allset(flag,mask) (((flag) & (mask)) == (mask))
#define _allclr(flag,mask) (((flag) & (mask)) == (0))

// #define _notset(flag,mask) ((flag) & (mask)) == (0)

#define _anybits(flag,mask) (((flag) & (mask)) != (0))
#define _allbits(flag,mask) (((flag) & (mask)) == (mask))

#define _clean(flag,mask) (((flag) & ~(mask)) == (0))
#define _dirty(flag,mask) (((flag) & ~(mask)) != (0))

/*====================================================================*
 *
 *--------------------------------------------------------------------*/

void set32bitmap (uint32_t * map, unsigned bit);
void clr32bitmap (uint32_t * map, unsigned bit);

/*====================================================================*
 *   end definitions and declarations;
 *--------------------------------------------------------------------*/

#endif