WaspmoteAPI: byteordering.c Source File

00001 
00002 /*
00003  * Copyright (c) 2006-2010 by Roland Riegel <feedback@roland-riegel.de>
00004  *
00005  * This file is free software; you can redistribute it and/or modify
00006  * it under the terms of either the GNU General Public License version 2
00007  * or the GNU Lesser General Public License version 2.1, both as
00008  * published by the Free Software Foundation.
00009  */
00010 
00011 #include "byteordering.h"
00012 
00013 /**
00014  * \addtogroup byteordering
00015  *
00016  * Architecture-dependent handling of byte-ordering.
00017  *
00018  * @{
00019  */
00020 /**
00021  * \file
00022  * Byte-order handling implementation (license: GPLv2 or LGPLv2.1)
00023  *
00024  * \author Roland Riegel
00025  */
00026 
00027 #if DOXYGEN || !(LITTLE_ENDIAN || __AVR__)
00028 /**
00029  * Converts a 16-bit integer to little-endian byte order.
00030  *
00031  * Use this function on variable values instead of the
00032  * macro HTOL16(). This saves code size.
00033  *
00034  * \param[in] h A 16-bit integer in host byte order.
00035  * \returns The given 16-bit integer converted to little-endian byte order.
00036  */
00037 uint16_t htol16(uint16_t h)
00038 {
00039     return HTOL16(h);
00040 }
00041 #endif
00042 
00043 #if DOXYGEN || !(LITTLE_ENDIAN || __AVR__)
00044 /**
00045  * Converts a 32-bit integer to little-endian byte order.
00046  *
00047  * Use this function on variable values instead of the
00048  * macro HTOL32(). This saves code size.
00049  *
00050  * \param[in] h A 32-bit integer in host byte order.
00051  * \returns The given 32-bit integer converted to little-endian byte order.
00052  */
00053 uint32_t htol32(uint32_t h)
00054 {
00055     return HTOL32(h);
00056 }
00057 #endif
00058 
00059 /**
00060  * @}
00061  */
00062