Lorcan Smith / Mbed 2 deprecated Enet_SPI

SNMP agent attached to SPI slave

Dependencies:   mbed

lwip/include/lwip/def.h@0:2a53a4c3238c, 2012-08-13 (annotated)

Committer:
lorcansmith
Date:
Mon Aug 13 15:07:40 2012 +0000
Revision:
0:2a53a4c3238c
v1.1 release includes ioAlarm traps

Who changed what in which revision?

UserRevisionLine numberNew contents of line
lorcansmith 0:2a53a4c3238c 1 /*
lorcansmith 0:2a53a4c3238c 2 * Copyright (c) 2001-2004 Swedish Institute of Computer Science.
lorcansmith 0:2a53a4c3238c 3 * All rights reserved.
lorcansmith 0:2a53a4c3238c 4 *
lorcansmith 0:2a53a4c3238c 5 * Redistribution and use in source and binary forms, with or without modification,
lorcansmith 0:2a53a4c3238c 6 * are permitted provided that the following conditions are met:
lorcansmith 0:2a53a4c3238c 7 *
lorcansmith 0:2a53a4c3238c 8 * 1. Redistributions of source code must retain the above copyright notice,
lorcansmith 0:2a53a4c3238c 9 * this list of conditions and the following disclaimer.
lorcansmith 0:2a53a4c3238c 10 * 2. Redistributions in binary form must reproduce the above copyright notice,
lorcansmith 0:2a53a4c3238c 11 * this list of conditions and the following disclaimer in the documentation
lorcansmith 0:2a53a4c3238c 12 * and/or other materials provided with the distribution.
lorcansmith 0:2a53a4c3238c 13 * 3. The name of the author may not be used to endorse or promote products
lorcansmith 0:2a53a4c3238c 14 * derived from this software without specific prior written permission.
lorcansmith 0:2a53a4c3238c 15 *
lorcansmith 0:2a53a4c3238c 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
lorcansmith 0:2a53a4c3238c 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
lorcansmith 0:2a53a4c3238c 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
lorcansmith 0:2a53a4c3238c 19 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
lorcansmith 0:2a53a4c3238c 20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
lorcansmith 0:2a53a4c3238c 21 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
lorcansmith 0:2a53a4c3238c 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
lorcansmith 0:2a53a4c3238c 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
lorcansmith 0:2a53a4c3238c 24 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
lorcansmith 0:2a53a4c3238c 25 * OF SUCH DAMAGE.
lorcansmith 0:2a53a4c3238c 26 *
lorcansmith 0:2a53a4c3238c 27 * This file is part of the lwIP TCP/IP stack.
lorcansmith 0:2a53a4c3238c 28 *
lorcansmith 0:2a53a4c3238c 29 * Author: Adam Dunkels <adam@sics.se>
lorcansmith 0:2a53a4c3238c 30 *
lorcansmith 0:2a53a4c3238c 31 */
lorcansmith 0:2a53a4c3238c 32 #ifndef __LWIP_DEF_H__
lorcansmith 0:2a53a4c3238c 33 #define __LWIP_DEF_H__
lorcansmith 0:2a53a4c3238c 34
lorcansmith 0:2a53a4c3238c 35 /* arch.h might define NULL already */
lorcansmith 0:2a53a4c3238c 36 #include "lwip/arch.h"
lorcansmith 0:2a53a4c3238c 37 #include "lwip/opt.h"
lorcansmith 0:2a53a4c3238c 38
lorcansmith 0:2a53a4c3238c 39 #ifdef __cplusplus
lorcansmith 0:2a53a4c3238c 40 extern "C" {
lorcansmith 0:2a53a4c3238c 41 #endif
lorcansmith 0:2a53a4c3238c 42
lorcansmith 0:2a53a4c3238c 43 #define LWIP_MAX(x , y) (((x) > (y)) ? (x) : (y))
lorcansmith 0:2a53a4c3238c 44 #define LWIP_MIN(x , y) (((x) < (y)) ? (x) : (y))
lorcansmith 0:2a53a4c3238c 45
lorcansmith 0:2a53a4c3238c 46 #ifndef NULL
lorcansmith 0:2a53a4c3238c 47 #define NULL ((void *)0)
lorcansmith 0:2a53a4c3238c 48 #endif
lorcansmith 0:2a53a4c3238c 49
lorcansmith 0:2a53a4c3238c 50 /** Get the absolute difference between 2 u32_t values (correcting overflows)
lorcansmith 0:2a53a4c3238c 51 * 'a' is expected to be 'higher' (without overflow) than 'b'. */
lorcansmith 0:2a53a4c3238c 52 #define LWIP_U32_DIFF(a, b) (((a) >= (b)) ? ((a) - (b)) : (((a) + ((b) ^ 0xFFFFFFFF) + 1)))
lorcansmith 0:2a53a4c3238c 53
lorcansmith 0:2a53a4c3238c 54 /* Endianess-optimized shifting of two u8_t to create one u16_t */
lorcansmith 0:2a53a4c3238c 55 #if BYTE_ORDER == LITTLE_ENDIAN
lorcansmith 0:2a53a4c3238c 56 #define LWIP_MAKE_U16(a, b) ((a << 8) | b)
lorcansmith 0:2a53a4c3238c 57 #else
lorcansmith 0:2a53a4c3238c 58 #define LWIP_MAKE_U16(a, b) ((b << 8) | a)
lorcansmith 0:2a53a4c3238c 59 #endif
lorcansmith 0:2a53a4c3238c 60
lorcansmith 0:2a53a4c3238c 61 #ifndef LWIP_PLATFORM_BYTESWAP
lorcansmith 0:2a53a4c3238c 62 #define LWIP_PLATFORM_BYTESWAP 0
lorcansmith 0:2a53a4c3238c 63 #endif
lorcansmith 0:2a53a4c3238c 64
lorcansmith 0:2a53a4c3238c 65 #ifndef LWIP_PREFIX_BYTEORDER_FUNCS
lorcansmith 0:2a53a4c3238c 66 /* workaround for naming collisions on some platforms */
lorcansmith 0:2a53a4c3238c 67
lorcansmith 0:2a53a4c3238c 68 #ifdef htons
lorcansmith 0:2a53a4c3238c 69 #undef htons
lorcansmith 0:2a53a4c3238c 70 #endif /* htons */
lorcansmith 0:2a53a4c3238c 71 #ifdef htonl
lorcansmith 0:2a53a4c3238c 72 #undef htonl
lorcansmith 0:2a53a4c3238c 73 #endif /* htonl */
lorcansmith 0:2a53a4c3238c 74 #ifdef ntohs
lorcansmith 0:2a53a4c3238c 75 #undef ntohs
lorcansmith 0:2a53a4c3238c 76 #endif /* ntohs */
lorcansmith 0:2a53a4c3238c 77 #ifdef ntohl
lorcansmith 0:2a53a4c3238c 78 #undef ntohl
lorcansmith 0:2a53a4c3238c 79 #endif /* ntohl */
lorcansmith 0:2a53a4c3238c 80
lorcansmith 0:2a53a4c3238c 81 #define htons(x) lwip_htons(x)
lorcansmith 0:2a53a4c3238c 82 #define ntohs(x) lwip_ntohs(x)
lorcansmith 0:2a53a4c3238c 83 #define htonl(x) lwip_htonl(x)
lorcansmith 0:2a53a4c3238c 84 #define ntohl(x) lwip_ntohl(x)
lorcansmith 0:2a53a4c3238c 85 #endif /* LWIP_PREFIX_BYTEORDER_FUNCS */
lorcansmith 0:2a53a4c3238c 86
lorcansmith 0:2a53a4c3238c 87 #if BYTE_ORDER == BIG_ENDIAN
lorcansmith 0:2a53a4c3238c 88 #define lwip_htons(x) (x)
lorcansmith 0:2a53a4c3238c 89 #define lwip_ntohs(x) (x)
lorcansmith 0:2a53a4c3238c 90 #define lwip_htonl(x) (x)
lorcansmith 0:2a53a4c3238c 91 #define lwip_ntohl(x) (x)
lorcansmith 0:2a53a4c3238c 92 #define PP_HTONS(x) (x)
lorcansmith 0:2a53a4c3238c 93 #define PP_NTOHS(x) (x)
lorcansmith 0:2a53a4c3238c 94 #define PP_HTONL(x) (x)
lorcansmith 0:2a53a4c3238c 95 #define PP_NTOHL(x) (x)
lorcansmith 0:2a53a4c3238c 96 #else /* BYTE_ORDER != BIG_ENDIAN */
lorcansmith 0:2a53a4c3238c 97 #if LWIP_PLATFORM_BYTESWAP
lorcansmith 0:2a53a4c3238c 98 #define lwip_htons(x) LWIP_PLATFORM_HTONS(x)
lorcansmith 0:2a53a4c3238c 99 #define lwip_ntohs(x) LWIP_PLATFORM_HTONS(x)
lorcansmith 0:2a53a4c3238c 100 #define lwip_htonl(x) LWIP_PLATFORM_HTONL(x)
lorcansmith 0:2a53a4c3238c 101 #define lwip_ntohl(x) LWIP_PLATFORM_HTONL(x)
lorcansmith 0:2a53a4c3238c 102 #else /* LWIP_PLATFORM_BYTESWAP */
lorcansmith 0:2a53a4c3238c 103 u16_t lwip_htons(u16_t x);
lorcansmith 0:2a53a4c3238c 104 u16_t lwip_ntohs(u16_t x);
lorcansmith 0:2a53a4c3238c 105 u32_t lwip_htonl(u32_t x);
lorcansmith 0:2a53a4c3238c 106 u32_t lwip_ntohl(u32_t x);
lorcansmith 0:2a53a4c3238c 107 #endif /* LWIP_PLATFORM_BYTESWAP */
lorcansmith 0:2a53a4c3238c 108
lorcansmith 0:2a53a4c3238c 109 /* These macros should be calculated by the preprocessor and are used
lorcansmith 0:2a53a4c3238c 110 with compile-time constants only (so that there is no little-endian
lorcansmith 0:2a53a4c3238c 111 overhead at runtime). */
lorcansmith 0:2a53a4c3238c 112 #define PP_HTONS(x) ((((x) & 0xff) << 8) | (((x) & 0xff00) >> 8))
lorcansmith 0:2a53a4c3238c 113 #define PP_NTOHS(x) PP_HTONS(x)
lorcansmith 0:2a53a4c3238c 114 #define PP_HTONL(x) ((((x) & 0xff) << 24) | \
lorcansmith 0:2a53a4c3238c 115 (((x) & 0xff00) << 8) | \
lorcansmith 0:2a53a4c3238c 116 (((x) & 0xff0000UL) >> 8) | \
lorcansmith 0:2a53a4c3238c 117 (((x) & 0xff000000UL) >> 24))
lorcansmith 0:2a53a4c3238c 118 #define PP_NTOHL(x) PP_HTONL(x)
lorcansmith 0:2a53a4c3238c 119
lorcansmith 0:2a53a4c3238c 120 #endif /* BYTE_ORDER == BIG_ENDIAN */
lorcansmith 0:2a53a4c3238c 121
lorcansmith 0:2a53a4c3238c 122 #ifdef __cplusplus
lorcansmith 0:2a53a4c3238c 123 }
lorcansmith 0:2a53a4c3238c 124 #endif
lorcansmith 0:2a53a4c3238c 125
lorcansmith 0:2a53a4c3238c 126 #endif /* __LWIP_DEF_H__ */
lorcansmith 0:2a53a4c3238c 127