Primary LSS support, thanks to Jorge Berzosa.
#ifndef __sysdep_h__
#define __sysdep_h__
#include "config.h"
#ifdef CANOPEN_BIG_ENDIAN
/* Warning: the argument must not update pointers, e.g. *p++ */
#define UNS16_LE(v) ((((UNS16)(v) & 0xff00) >> 8) | \
(((UNS16)(v) & 0x00ff) << 8))
#define UNS32_LE(v) ((((UNS32)(v) & 0xff000000) >> 24) | \
(((UNS32)(v) & 0x00ff0000) >> 8) | \
(((UNS32)(v) & 0x0000ff00) << 8) | \
(((UNS32)(v) & 0x000000ff) << 24))
#else
#define UNS16_LE(v) (v)
#define UNS32_LE(v) (v)
#endif
#endif /* __sysdep_h__ */