lwbt/bt.h

   1 /**
   2  * \addtogroup uip
   3  * @{
   4  */
   5
   6 /**
   7  * \file
   8  * Header file for the uIP TCP/IP stack.
   9  * \author Adam Dunkels <adam@dunkels.com>
  10  *
  11  * The uIP TCP/IP stack header file contains definitions for a number
  12  * of C macros that are used by uIP programs as well as internal uIP
  13  * structures, TCP/IP header structures and function declarations.
  14  *
  15  */
  16
  17
  18 /*
  19  * Copyright (c) 2001-2003, Adam Dunkels.
  20  * All rights reserved.
  21  *
  22  * Redistribution and use in source and binary forms, with or without
  23  * modification, are permitted provided that the following conditions
  24  * are met:
  25  * 1. Redistributions of source code must retain the above copyright
  26  *    notice, this list of conditions and the following disclaimer.
  27  * 2. Redistributions in binary form must reproduce the above copyright
  28  *    notice, this list of conditions and the following disclaimer in the
  29  *    documentation and/or other materials provided with the distribution.
  30  * 3. The name of the author may not be used to endorse or promote
  31  *    products derived from this software without specific prior
  32  *    written permission.
  33  *
  34  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
  35  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  36  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  37  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
  38  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  39  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  40  * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  41  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  42  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  43  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  44  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  45  *
  46  * This file is part of the uIP TCP/IP stack.
  47  *
  48  *
  49  */
  50
  51 #ifndef __BT_H__
  52 #define __BT_H__
  53
  54 #include "btopt.h"
  55 #include "btarch.h"
  56
  57 #define ERR_OK                  0
  58 #define ERR_MEM                 -1
  59 #define ERR_BUF                 -2
  60 #define ERR_ABRT                -3
  61 #define ERR_RST                 -4
  62 #define ERR_CLSD                -5
  63 #define ERR_CONN                -6
  64 #define ERR_VAL                 -7
  65 #define ERR_ARG                 -8
  66 #define ERR_RTE                 -9
  67 #define ERR_USE                 -10
  68 #define ERR_IF                  -11
  69 #define ERR_PKTSIZE             -17
  70
  71 #define PROTO_ICMP              1
  72 #define PROTO_TCP               6
  73 #define PROTO_UDP               17
  74
  75 /* Headezes. */
  76 #define IP_HLEN                 20    /* Size of IP header */
  77 #define TRANSPORT_HLEN  20
  78
  79 #define UDP_HLEN                8    /* Size of UDP header */
  80 #define TCP_HLEN                20    /* Size of TCP header */
  81 #define IPUDP_HLEN              28    /* Size of IP + UDP header */
  82 #define IPTCP_HLEN              40    /* Size of IP + TCP header */
  83
  84 /**
  85  * Convert 16-bit quantity from host byte order to network byte order.
  86  *
  87  * This macro is primarily used for converting constants from host
  88  * byte order to network byte order. For converting variables to
  89  * network byte order, use the htons() function instead.
  90  *
  91  * \hideinitializer
  92  */
  93 #ifndef HTONS
  94 #   if BYTE_ORDER == BIG_ENDIAN
  95 #      define HTONS(n) (n)
  96 #   else /* BYTE_ORDER == BIG_ENDIAN */
  97 #      define HTONS(n) ((((u16_t)((n) & 0xff)) << 8) | (((n) & 0xff00) >> 8))
  98 #   endif /* BYTE_ORDER == BIG_ENDIAN */
  99 #endif /* HTONS */
 100
 101
 102 /**
 103  * Convert 16-bit quantity from host byte order to network byte order.
 104  *
 105  * This function is primarily used for converting variables from host
 106  * byte order to network byte order. For converting constants to
 107  * network byte order, use the HTONS() macro instead.
 108  */
 109 #ifndef htons
 110 u16_t htons(u16_t val);
 111 #endif /* htons */
 112
 113 /** @} */
 114
 115 #endif /* __UIP_H__ */
 116
 117
 118 /** @} */
 119