2010-10-25 11:03:38 +02:00
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/*
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* Copyright (c) 2010, STMicroelectronics.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This file is part of the uIP TCP/IP stack.
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*
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* $Id: uip_arch.c,v 1.1 2010/10/25 09:03:39 salvopitru Exp $
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*/
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/*---------------------------------------------------------------------------*/
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/**
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* \file
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* uip_arch.c
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* \author
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* Salvatore Pitrulli <salvopitru@users.sourceforge.net>
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*/
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/*---------------------------------------------------------------------------*/
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#include "net/uip.h"
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#include "net/uip_arch.h"
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/*-----------------------------------------------------------------------------------*/
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#if UIP_TCP
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void
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2012-02-20 19:42:51 +01:00
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uip_add32(uint8_t *op32, uint16_t op16)
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2010-10-25 11:03:38 +02:00
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{
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uint32_t op32_align, uip_acc32_align;
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op32_align = ((uint32_t)op32[0])<<24 | ((uint32_t)op32[1])<<16 | ((uint16_t)op32[2])<<8 | op32[3];
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uip_acc32_align = op32_align + op16;
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uip_acc32[3] = uip_acc32_align;
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uip_acc32[2] = uip_acc32_align>>8;
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uip_acc32[1] = uip_acc32_align>>16;
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uip_acc32[0] = uip_acc32_align>>24;
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}
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#endif
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/*-----------------------------------------------------------------------------------*/
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