Nino Der Kinderen / Mbed 2 deprecated InetTest

Embedded C project:18/12/2014

Dependencies:   DS1307 TextLCD mbed

NetServices/lwip/core/def.c@0:8d87bc453349, 2014-12-18 (annotated)

Committer:
ninoderkinderen
Date:
Thu Dec 18 09:35:49 2014 +0000
Revision:
0:8d87bc453349
Programma embedded C

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ninoderkinderen 0:8d87bc453349 1 /**
ninoderkinderen 0:8d87bc453349 2 * @file
ninoderkinderen 0:8d87bc453349 3 * Common functions used throughout the stack.
ninoderkinderen 0:8d87bc453349 4 *
ninoderkinderen 0:8d87bc453349 5 */
ninoderkinderen 0:8d87bc453349 6
ninoderkinderen 0:8d87bc453349 7 /*
ninoderkinderen 0:8d87bc453349 8 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
ninoderkinderen 0:8d87bc453349 9 * All rights reserved.
ninoderkinderen 0:8d87bc453349 10 *
ninoderkinderen 0:8d87bc453349 11 * Redistribution and use in source and binary forms, with or without modification,
ninoderkinderen 0:8d87bc453349 12 * are permitted provided that the following conditions are met:
ninoderkinderen 0:8d87bc453349 13 *
ninoderkinderen 0:8d87bc453349 14 * 1. Redistributions of source code must retain the above copyright notice,
ninoderkinderen 0:8d87bc453349 15 * this list of conditions and the following disclaimer.
ninoderkinderen 0:8d87bc453349 16 * 2. Redistributions in binary form must reproduce the above copyright notice,
ninoderkinderen 0:8d87bc453349 17 * this list of conditions and the following disclaimer in the documentation
ninoderkinderen 0:8d87bc453349 18 * and/or other materials provided with the distribution.
ninoderkinderen 0:8d87bc453349 19 * 3. The name of the author may not be used to endorse or promote products
ninoderkinderen 0:8d87bc453349 20 * derived from this software without specific prior written permission.
ninoderkinderen 0:8d87bc453349 21 *
ninoderkinderen 0:8d87bc453349 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
ninoderkinderen 0:8d87bc453349 23 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
ninoderkinderen 0:8d87bc453349 24 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
ninoderkinderen 0:8d87bc453349 25 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
ninoderkinderen 0:8d87bc453349 26 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
ninoderkinderen 0:8d87bc453349 27 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
ninoderkinderen 0:8d87bc453349 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
ninoderkinderen 0:8d87bc453349 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
ninoderkinderen 0:8d87bc453349 30 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
ninoderkinderen 0:8d87bc453349 31 * OF SUCH DAMAGE.
ninoderkinderen 0:8d87bc453349 32 *
ninoderkinderen 0:8d87bc453349 33 * This file is part of the lwIP TCP/IP stack.
ninoderkinderen 0:8d87bc453349 34 *
ninoderkinderen 0:8d87bc453349 35 * Author: Simon Goldschmidt
ninoderkinderen 0:8d87bc453349 36 *
ninoderkinderen 0:8d87bc453349 37 */
ninoderkinderen 0:8d87bc453349 38
ninoderkinderen 0:8d87bc453349 39 #include "lwip/opt.h"
ninoderkinderen 0:8d87bc453349 40 #include "lwip/def.h"
ninoderkinderen 0:8d87bc453349 41
ninoderkinderen 0:8d87bc453349 42 /**
ninoderkinderen 0:8d87bc453349 43 * These are reference implementations of the byte swapping functions.
ninoderkinderen 0:8d87bc453349 44 * Again with the aim of being simple, correct and fully portable.
ninoderkinderen 0:8d87bc453349 45 * Byte swapping is the second thing you would want to optimize. You will
ninoderkinderen 0:8d87bc453349 46 * need to port it to your architecture and in your cc.h:
ninoderkinderen 0:8d87bc453349 47 *
ninoderkinderen 0:8d87bc453349 48 * #define LWIP_PLATFORM_BYTESWAP 1
ninoderkinderen 0:8d87bc453349 49 * #define LWIP_PLATFORM_HTONS(x) <your_htons>
ninoderkinderen 0:8d87bc453349 50 * #define LWIP_PLATFORM_HTONL(x) <your_htonl>
ninoderkinderen 0:8d87bc453349 51 *
ninoderkinderen 0:8d87bc453349 52 * Note ntohs() and ntohl() are merely references to the htonx counterparts.
ninoderkinderen 0:8d87bc453349 53 */
ninoderkinderen 0:8d87bc453349 54
ninoderkinderen 0:8d87bc453349 55 #if (LWIP_PLATFORM_BYTESWAP == 0) && (BYTE_ORDER == LITTLE_ENDIAN)
ninoderkinderen 0:8d87bc453349 56
ninoderkinderen 0:8d87bc453349 57 /**
ninoderkinderen 0:8d87bc453349 58 * Convert an u16_t from host- to network byte order.
ninoderkinderen 0:8d87bc453349 59 *
ninoderkinderen 0:8d87bc453349 60 * @param n u16_t in host byte order
ninoderkinderen 0:8d87bc453349 61 * @return n in network byte order
ninoderkinderen 0:8d87bc453349 62 */
ninoderkinderen 0:8d87bc453349 63 u16_t
ninoderkinderen 0:8d87bc453349 64 lwip_htons(u16_t n)
ninoderkinderen 0:8d87bc453349 65 {
ninoderkinderen 0:8d87bc453349 66 return ((n & 0xff) << 8) | ((n & 0xff00) >> 8);
ninoderkinderen 0:8d87bc453349 67 }
ninoderkinderen 0:8d87bc453349 68
ninoderkinderen 0:8d87bc453349 69 /**
ninoderkinderen 0:8d87bc453349 70 * Convert an u16_t from network- to host byte order.
ninoderkinderen 0:8d87bc453349 71 *
ninoderkinderen 0:8d87bc453349 72 * @param n u16_t in network byte order
ninoderkinderen 0:8d87bc453349 73 * @return n in host byte order
ninoderkinderen 0:8d87bc453349 74 */
ninoderkinderen 0:8d87bc453349 75 u16_t
ninoderkinderen 0:8d87bc453349 76 lwip_ntohs(u16_t n)
ninoderkinderen 0:8d87bc453349 77 {
ninoderkinderen 0:8d87bc453349 78 return lwip_htons(n);
ninoderkinderen 0:8d87bc453349 79 }
ninoderkinderen 0:8d87bc453349 80
ninoderkinderen 0:8d87bc453349 81 /**
ninoderkinderen 0:8d87bc453349 82 * Convert an u32_t from host- to network byte order.
ninoderkinderen 0:8d87bc453349 83 *
ninoderkinderen 0:8d87bc453349 84 * @param n u32_t in host byte order
ninoderkinderen 0:8d87bc453349 85 * @return n in network byte order
ninoderkinderen 0:8d87bc453349 86 */
ninoderkinderen 0:8d87bc453349 87 u32_t
ninoderkinderen 0:8d87bc453349 88 lwip_htonl(u32_t n)
ninoderkinderen 0:8d87bc453349 89 {
ninoderkinderen 0:8d87bc453349 90 return ((n & 0xff) << 24) |
ninoderkinderen 0:8d87bc453349 91 ((n & 0xff00) << 8) |
ninoderkinderen 0:8d87bc453349 92 ((n & 0xff0000UL) >> 8) |
ninoderkinderen 0:8d87bc453349 93 ((n & 0xff000000UL) >> 24);
ninoderkinderen 0:8d87bc453349 94 }
ninoderkinderen 0:8d87bc453349 95
ninoderkinderen 0:8d87bc453349 96 /**
ninoderkinderen 0:8d87bc453349 97 * Convert an u32_t from network- to host byte order.
ninoderkinderen 0:8d87bc453349 98 *
ninoderkinderen 0:8d87bc453349 99 * @param n u32_t in network byte order
ninoderkinderen 0:8d87bc453349 100 * @return n in host byte order
ninoderkinderen 0:8d87bc453349 101 */
ninoderkinderen 0:8d87bc453349 102 u32_t
ninoderkinderen 0:8d87bc453349 103 lwip_ntohl(u32_t n)
ninoderkinderen 0:8d87bc453349 104 {
ninoderkinderen 0:8d87bc453349 105 return lwip_htonl(n);
ninoderkinderen 0:8d87bc453349 106 }
ninoderkinderen 0:8d87bc453349 107
ninoderkinderen 0:8d87bc453349 108 #endif /* (LWIP_PLATFORM_BYTESWAP == 0) && (BYTE_ORDER == LITTLE_ENDIAN) */