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00001 /* 00002 * Copyright (c) 2010, STMicroelectronics. 00003 * All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without 00006 * modification, are permitted provided that the following conditions 00007 * are met: 00008 * 1. Redistributions of source code must retain the above copyright 00009 * notice, this list of conditions and the following disclaimer. 00010 * 2. Redistributions in binary form must reproduce the above 00011 * copyright notice, this list of conditions and the following 00012 * disclaimer in the documentation and/or other materials provided 00013 * with the distribution. 00014 * 3. The name of the author may not be used to endorse or promote 00015 * products derived from this software without specific prior 00016 * written permission. 00017 * 00018 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 00019 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 00020 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00021 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 00022 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00023 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 00024 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00025 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 00026 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00027 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00028 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00029 * 00030 * This file is part of the uIP TCP/IP stack. 00031 * 00032 * $Id: uip_arch.c,v 1.1 2010/10/25 09:03:39 salvopitru Exp $ 00033 */ 00034 /*---------------------------------------------------------------------------*/ 00035 /** 00036 * \file 00037 * uip_arch.c 00038 * \author 00039 * Salvatore Pitrulli <salvopitru@users.sourceforge.net> 00040 */ 00041 /*---------------------------------------------------------------------------*/ 00042 00043 00044 00045 00046 #include "net/uip.h" 00047 #include "net/uip_arch.h" 00048 00049 /*-----------------------------------------------------------------------------------*/ 00050 #if UIP_TCP 00051 void 00052 uip_add32(uint8_t *op32, uint16_t op16) 00053 { 00054 uint32_t op32_align, uip_acc32_align; 00055 00056 op32_align = ((uint32_t)op32[0])<<24 | ((uint32_t)op32[1])<<16 | ((uint16_t)op32[2])<<8 | op32[3]; 00057 00058 uip_acc32_align = op32_align + op16; 00059 00060 uip_acc32[3] = uip_acc32_align; 00061 uip_acc32[2] = uip_acc32_align>>8; 00062 uip_acc32[1] = uip_acc32_align>>16; 00063 uip_acc32[0] = uip_acc32_align>>24; 00064 00065 } 00066 #endif 00067 /*-----------------------------------------------------------------------------------*/