52 lines
1.6 KiB
C
52 lines
1.6 KiB
C
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2014 Franklin Wei, Benjamin Brown
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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***************************************************************************/
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#ifndef __SYS_H__
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#define __SYS_H__
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#include "rbendian.h"
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#include "stdint.h"
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#ifdef ROCKBOX_LITTLE_ENDIAN
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#define SYS_LITTLE_ENDIAN
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#else
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#define SYS_BIG_ENDIAN
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#endif
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#if defined SYS_LITTLE_ENDIAN
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#define READ_BE_UINT16(p) ((((const uint8_t*)p)[0] << 8) | ((const uint8_t*)p)[1])
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#define READ_BE_UINT32(p) ((((const uint8_t*)p)[0] << 24) | (((const uint8_t*)p)[1] << 16) | (((const uint8_t*)p)[2] << 8) | ((const uint8_t*)p)[3])
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#elif defined SYS_BIG_ENDIAN
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#define READ_BE_UINT16(p) (*(const uint16_t*)p)
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#define READ_BE_UINT32(p) (*(const uint32_t*)p)
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#else
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#error No endianness defined
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#endif
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#endif
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