CK Sin / Mbed 2 deprecated Ethernetwebsocket

Ethernetwebsoc

Dependencies:   C12832_lcd LM75B WebSocketClient mbed-rtos mbed Socket lwip-eth lwip-sys lwip

EthernetInterface/lwip/core/def.c@0:0ed2a7c7190c, 2013-05-31 (annotated)

Committer:
GordonSin
Date:
Fri May 31 04:09:54 2013 +0000
Revision:
0:0ed2a7c7190c
31/5/2013;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
GordonSin 0:0ed2a7c7190c 1 /**
GordonSin 0:0ed2a7c7190c 2 * @file
GordonSin 0:0ed2a7c7190c 3 * Common functions used throughout the stack.
GordonSin 0:0ed2a7c7190c 4 *
GordonSin 0:0ed2a7c7190c 5 */
GordonSin 0:0ed2a7c7190c 6
GordonSin 0:0ed2a7c7190c 7 /*
GordonSin 0:0ed2a7c7190c 8 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
GordonSin 0:0ed2a7c7190c 9 * All rights reserved.
GordonSin 0:0ed2a7c7190c 10 *
GordonSin 0:0ed2a7c7190c 11 * Redistribution and use in source and binary forms, with or without modification,
GordonSin 0:0ed2a7c7190c 12 * are permitted provided that the following conditions are met:
GordonSin 0:0ed2a7c7190c 13 *
GordonSin 0:0ed2a7c7190c 14 * 1. Redistributions of source code must retain the above copyright notice,
GordonSin 0:0ed2a7c7190c 15 * this list of conditions and the following disclaimer.
GordonSin 0:0ed2a7c7190c 16 * 2. Redistributions in binary form must reproduce the above copyright notice,
GordonSin 0:0ed2a7c7190c 17 * this list of conditions and the following disclaimer in the documentation
GordonSin 0:0ed2a7c7190c 18 * and/or other materials provided with the distribution.
GordonSin 0:0ed2a7c7190c 19 * 3. The name of the author may not be used to endorse or promote products
GordonSin 0:0ed2a7c7190c 20 * derived from this software without specific prior written permission.
GordonSin 0:0ed2a7c7190c 21 *
GordonSin 0:0ed2a7c7190c 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
GordonSin 0:0ed2a7c7190c 23 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
GordonSin 0:0ed2a7c7190c 24 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
GordonSin 0:0ed2a7c7190c 25 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
GordonSin 0:0ed2a7c7190c 26 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
GordonSin 0:0ed2a7c7190c 27 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
GordonSin 0:0ed2a7c7190c 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
GordonSin 0:0ed2a7c7190c 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
GordonSin 0:0ed2a7c7190c 30 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
GordonSin 0:0ed2a7c7190c 31 * OF SUCH DAMAGE.
GordonSin 0:0ed2a7c7190c 32 *
GordonSin 0:0ed2a7c7190c 33 * This file is part of the lwIP TCP/IP stack.
GordonSin 0:0ed2a7c7190c 34 *
GordonSin 0:0ed2a7c7190c 35 * Author: Simon Goldschmidt
GordonSin 0:0ed2a7c7190c 36 *
GordonSin 0:0ed2a7c7190c 37 */
GordonSin 0:0ed2a7c7190c 38
GordonSin 0:0ed2a7c7190c 39 #include "lwip/opt.h"
GordonSin 0:0ed2a7c7190c 40 #include "lwip/def.h"
GordonSin 0:0ed2a7c7190c 41
GordonSin 0:0ed2a7c7190c 42 /**
GordonSin 0:0ed2a7c7190c 43 * These are reference implementations of the byte swapping functions.
GordonSin 0:0ed2a7c7190c 44 * Again with the aim of being simple, correct and fully portable.
GordonSin 0:0ed2a7c7190c 45 * Byte swapping is the second thing you would want to optimize. You will
GordonSin 0:0ed2a7c7190c 46 * need to port it to your architecture and in your cc.h:
GordonSin 0:0ed2a7c7190c 47 *
GordonSin 0:0ed2a7c7190c 48 * #define LWIP_PLATFORM_BYTESWAP 1
GordonSin 0:0ed2a7c7190c 49 * #define LWIP_PLATFORM_HTONS(x) <your_htons>
GordonSin 0:0ed2a7c7190c 50 * #define LWIP_PLATFORM_HTONL(x) <your_htonl>
GordonSin 0:0ed2a7c7190c 51 *
GordonSin 0:0ed2a7c7190c 52 * Note ntohs() and ntohl() are merely references to the htonx counterparts.
GordonSin 0:0ed2a7c7190c 53 */
GordonSin 0:0ed2a7c7190c 54
GordonSin 0:0ed2a7c7190c 55 #if (LWIP_PLATFORM_BYTESWAP == 0) && (BYTE_ORDER == LITTLE_ENDIAN)
GordonSin 0:0ed2a7c7190c 56
GordonSin 0:0ed2a7c7190c 57 /**
GordonSin 0:0ed2a7c7190c 58 * Convert an u16_t from host- to network byte order.
GordonSin 0:0ed2a7c7190c 59 *
GordonSin 0:0ed2a7c7190c 60 * @param n u16_t in host byte order
GordonSin 0:0ed2a7c7190c 61 * @return n in network byte order
GordonSin 0:0ed2a7c7190c 62 */
GordonSin 0:0ed2a7c7190c 63 u16_t
GordonSin 0:0ed2a7c7190c 64 lwip_htons(u16_t n)
GordonSin 0:0ed2a7c7190c 65 {
GordonSin 0:0ed2a7c7190c 66 return ((n & 0xff) << 8) | ((n & 0xff00) >> 8);
GordonSin 0:0ed2a7c7190c 67 }
GordonSin 0:0ed2a7c7190c 68
GordonSin 0:0ed2a7c7190c 69 /**
GordonSin 0:0ed2a7c7190c 70 * Convert an u16_t from network- to host byte order.
GordonSin 0:0ed2a7c7190c 71 *
GordonSin 0:0ed2a7c7190c 72 * @param n u16_t in network byte order
GordonSin 0:0ed2a7c7190c 73 * @return n in host byte order
GordonSin 0:0ed2a7c7190c 74 */
GordonSin 0:0ed2a7c7190c 75 u16_t
GordonSin 0:0ed2a7c7190c 76 lwip_ntohs(u16_t n)
GordonSin 0:0ed2a7c7190c 77 {
GordonSin 0:0ed2a7c7190c 78 return lwip_htons(n);
GordonSin 0:0ed2a7c7190c 79 }
GordonSin 0:0ed2a7c7190c 80
GordonSin 0:0ed2a7c7190c 81 /**
GordonSin 0:0ed2a7c7190c 82 * Convert an u32_t from host- to network byte order.
GordonSin 0:0ed2a7c7190c 83 *
GordonSin 0:0ed2a7c7190c 84 * @param n u32_t in host byte order
GordonSin 0:0ed2a7c7190c 85 * @return n in network byte order
GordonSin 0:0ed2a7c7190c 86 */
GordonSin 0:0ed2a7c7190c 87 u32_t
GordonSin 0:0ed2a7c7190c 88 lwip_htonl(u32_t n)
GordonSin 0:0ed2a7c7190c 89 {
GordonSin 0:0ed2a7c7190c 90 return ((n & 0xff) << 24) |
GordonSin 0:0ed2a7c7190c 91 ((n & 0xff00) << 8) |
GordonSin 0:0ed2a7c7190c 92 ((n & 0xff0000UL) >> 8) |
GordonSin 0:0ed2a7c7190c 93 ((n & 0xff000000UL) >> 24);
GordonSin 0:0ed2a7c7190c 94 }
GordonSin 0:0ed2a7c7190c 95
GordonSin 0:0ed2a7c7190c 96 /**
GordonSin 0:0ed2a7c7190c 97 * Convert an u32_t from network- to host byte order.
GordonSin 0:0ed2a7c7190c 98 *
GordonSin 0:0ed2a7c7190c 99 * @param n u32_t in network byte order
GordonSin 0:0ed2a7c7190c 100 * @return n in host byte order
GordonSin 0:0ed2a7c7190c 101 */
GordonSin 0:0ed2a7c7190c 102 u32_t
GordonSin 0:0ed2a7c7190c 103 lwip_ntohl(u32_t n)
GordonSin 0:0ed2a7c7190c 104 {
GordonSin 0:0ed2a7c7190c 105 return lwip_htonl(n);
GordonSin 0:0ed2a7c7190c 106 }
GordonSin 0:0ed2a7c7190c 107
GordonSin 0:0ed2a7c7190c 108 #endif /* (LWIP_PLATFORM_BYTESWAP == 0) && (BYTE_ORDER == LITTLE_ENDIAN) */