hal_endian.h

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#ifndef HAL_ENDIAN_H
#define HAL_ENDIAN_H


#if !defined HAL_CORE_IS_BIG_ENDIAN
#error No HAL_CORE_IS_BIG_ENDIAN definition! Check your hal_config.h
#endif

#if HAL_CORE_IS_BIG_ENDIAN == 1

// Big endian:

#define CPU2BE16(x)                 (x)

#define BE2CPU16(x)                 (x)

#define CPU2BE32(x)                 (x)

#define BE2CPU32(x)                 (x)

#define CPU2BE64(x)                 (x)

#define BE2CPU64(x)                 (x)


#define CPU2LE16(x)                 ( (((x)>>8) & 0x00ff) | (((x)<<8) & 0xff00) )

#define LE2CPU16(x)                 CPU2LE16(x)

#define CPU2LE32(x)                 ( (((x)>>24) & 0x000000ff)  | (((x)>>8) & 0x0000ff00) | (((x)<<8) & 0x00ff0000) | (((x)<<24) & 0xff000000) )

#define LE2CPU32(x)                 CPU2LE32(x)

#define CPU2LE64(x)                 (CPU2LE32(((x) >> 32) & 0xffffffff) |   (CPU2LE32((x) & 0xffffffff) << 32))

#define LE2CPU64(x)                 CPU2LE64(x)

#else

// Little endian:

#define CPU2BE16(x)                 ( (((x)>>8) & 0x00ff) | (((x)<<8) & 0xff00) )

#define BE2CPU16(x)                 CPU2BE16(x)

#define CPU2BE32(x)                 ( (((x)>>24)&0x000000ff)    | (((x)>>8)&0x0000ff00) | (((x)<<8)&0x00ff0000) | (((x)<<24)&0xff000000) )

#define BE2CPU32(x)                 CPU2BE32(x)

#define CPU2BE64(x)                 (CPU2BE32(((x) >> 32) & 0xffffffff) |   (CPU2BE32((x) & 0xffffffff) << 32))

#define BE2CPU64(x)                 CPU2BE64(x)

#define CPU2LE16(x)                 (x)

#define LE2CPU16(x)                 (x)

#define CPU2LE32(x)                 (x)

#define LE2CPU32(x)                 (x)

#define CPU2LE64(x)                 (x)

#define LE2CPU64(x)                 (x)


#endif // HAL_CORE_IS_BIG_ENDIAN

#endif /* HAL_ENDIAN_H */