bossay_release_out/iot_link/inc/link_endian.h
2025-09-24 11:16:14 +08:00

75 lines
3.4 KiB
C

/*----------------------------------------------------------------------------
* Copyright (c) <2018>, <Huawei Technologies Co., Ltd>
* All rights reserved.
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
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* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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*---------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------
* Notice of Export Control Law
* ===============================================
* Huawei LiteOS may be subject to applicable export control laws and regulations, which might
* include those applicable to Huawei LiteOS of U.S. and the country in which you are located.
* Import, export and usage of Huawei LiteOS in any manner by you shall be in compliance with such
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*---------------------------------------------------------------------------*/
/**
* DATE AUTHOR INSTRUCTION
* 2019-07-09 14:28 zhangqianfu The first version
*
*/
#ifndef LITEOS_LAB_IOT_LINK_INC_LINK_ENDIAN_H_
#define LITEOS_LAB_IOT_LINK_INC_LINK_ENDIAN_H_
//define the normal addres function
#define swaps(value) ((((value)&((uint16_t)0xff00))>>8)|(((value)&((uint16_t)0x00ff))<<8))
#define swapl(value) ((((value)&((uint32_t)0xff000000))>>24)|(((value)&((uint32_t)0xff0000))>>8)|\
(((value)&((uint32_t)0xff00))<<8)|(((value)&((uint32_t)0xff))<<24))
#define htoles(value) (value)
#define htolel(value) (value)
#define htobes(value) swaps(value)
#define htobel(value) swapl(value)
#ifndef htons
#define htons htobes //translate the host endian to network endian (2 Bytes)
#endif
#ifndef htonl
#define htonl htobel //translate the host endian to network endian (4 Bytes)
#endif
#ifndef ntohs
#define ntohs htobes //translate the network endian to host endian (2 Bytes)
#endif
#ifndef ntohl
#define ntohl htobel //translate the network endian to host endian (4 Bytes)
#endif
#endif /* LITEOS_LAB_IOT_LINK_INC_LINK_ENDIAN_H_ */