Some quick code to use UDP-only (no TCP) with mBed. Echos received packets and sends packets when a button is pressed
arch.h
00001 /* 00002 * Copyright (c) 2001-2004 Swedish Institute of Computer Science. 00003 * All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without modification, 00006 * are permitted provided that the following conditions are met: 00007 * 00008 * 1. Redistributions of source code must retain the above copyright notice, 00009 * this list of conditions and the following disclaimer. 00010 * 2. Redistributions in binary form must reproduce the above copyright notice, 00011 * this list of conditions and the following disclaimer in the documentation 00012 * and/or other materials provided with the distribution. 00013 * 3. The name of the author may not be used to endorse or promote products 00014 * derived from this software without specific prior written permission. 00015 * 00016 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 00017 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 00018 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 00019 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 00020 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 00021 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00022 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00023 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 00024 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 00025 * OF SUCH DAMAGE. 00026 * 00027 * This file is part of the lwIP TCP/IP stack. 00028 * 00029 * Author: Adam Dunkels <adam@sics.se> 00030 * 00031 */ 00032 #ifndef __LWIP_ARCH_H__ 00033 #define __LWIP_ARCH_H__ 00034 00035 #ifndef LITTLE_ENDIAN 00036 #define LITTLE_ENDIAN 1234 00037 #endif 00038 00039 #ifndef BIG_ENDIAN 00040 #define BIG_ENDIAN 4321 00041 #endif 00042 00043 #include "arch/cc.h" 00044 00045 /** Temporary: define format string for size_t if not defined in cc.h */ 00046 #ifndef SZT_F 00047 #define SZT_F U32_F 00048 #endif /* SZT_F */ 00049 00050 #ifdef __cplusplus 00051 extern "C" { 00052 #endif 00053 00054 #ifndef PACK_STRUCT_BEGIN 00055 #define PACK_STRUCT_BEGIN 00056 #endif /* PACK_STRUCT_BEGIN */ 00057 00058 #ifndef PACK_STRUCT_END 00059 #define PACK_STRUCT_END 00060 #endif /* PACK_STRUCT_END */ 00061 00062 #ifndef PACK_STRUCT_FIELD 00063 #define PACK_STRUCT_FIELD(x) x 00064 #endif /* PACK_STRUCT_FIELD */ 00065 00066 00067 #ifndef LWIP_UNUSED_ARG 00068 #define LWIP_UNUSED_ARG(x) (void)x 00069 #endif /* LWIP_UNUSED_ARG */ 00070 00071 00072 #ifdef LWIP_PROVIDE_ERRNO 00073 00074 #define EPERM 1 /* Operation not permitted */ 00075 #define ENOENT 2 /* No such file or directory */ 00076 #define ESRCH 3 /* No such process */ 00077 #define EINTR 4 /* Interrupted system call */ 00078 #define EIO 5 /* I/O error */ 00079 #define ENXIO 6 /* No such device or address */ 00080 #define E2BIG 7 /* Arg list too long */ 00081 #define ENOEXEC 8 /* Exec format error */ 00082 #define EBADF 9 /* Bad file number */ 00083 #define ECHILD 10 /* No child processes */ 00084 #define EAGAIN 11 /* Try again */ 00085 #define ENOMEM 12 /* Out of memory */ 00086 #define EACCES 13 /* Permission denied */ 00087 #define EFAULT 14 /* Bad address */ 00088 #define ENOTBLK 15 /* Block device required */ 00089 #define EBUSY 16 /* Device or resource busy */ 00090 #define EEXIST 17 /* File exists */ 00091 #define EXDEV 18 /* Cross-device link */ 00092 #define ENODEV 19 /* No such device */ 00093 #define ENOTDIR 20 /* Not a directory */ 00094 #define EISDIR 21 /* Is a directory */ 00095 #define EINVAL 22 /* Invalid argument */ 00096 #define ENFILE 23 /* File table overflow */ 00097 #define EMFILE 24 /* Too many open files */ 00098 #define ENOTTY 25 /* Not a typewriter */ 00099 #define ETXTBSY 26 /* Text file busy */ 00100 #define EFBIG 27 /* File too large */ 00101 #define ENOSPC 28 /* No space left on device */ 00102 #define ESPIPE 29 /* Illegal seek */ 00103 #define EROFS 30 /* Read-only file system */ 00104 #define EMLINK 31 /* Too many links */ 00105 #define EPIPE 32 /* Broken pipe */ 00106 #define EDOM 33 /* Math argument out of domain of func */ 00107 #define ERANGE 34 /* Math result not representable */ 00108 #define EDEADLK 35 /* Resource deadlock would occur */ 00109 #define ENAMETOOLONG 36 /* File name too long */ 00110 #define ENOLCK 37 /* No record locks available */ 00111 #define ENOSYS 38 /* Function not implemented */ 00112 #define ENOTEMPTY 39 /* Directory not empty */ 00113 #define ELOOP 40 /* Too many symbolic links encountered */ 00114 #define EWOULDBLOCK EAGAIN /* Operation would block */ 00115 #define ENOMSG 42 /* No message of desired type */ 00116 #define EIDRM 43 /* Identifier removed */ 00117 #define ECHRNG 44 /* Channel number out of range */ 00118 #define EL2NSYNC 45 /* Level 2 not synchronized */ 00119 #define EL3HLT 46 /* Level 3 halted */ 00120 #define EL3RST 47 /* Level 3 reset */ 00121 #define ELNRNG 48 /* Link number out of range */ 00122 #define EUNATCH 49 /* Protocol driver not attached */ 00123 #define ENOCSI 50 /* No CSI structure available */ 00124 #define EL2HLT 51 /* Level 2 halted */ 00125 #define EBADE 52 /* Invalid exchange */ 00126 #define EBADR 53 /* Invalid request descriptor */ 00127 #define EXFULL 54 /* Exchange full */ 00128 #define ENOANO 55 /* No anode */ 00129 #define EBADRQC 56 /* Invalid request code */ 00130 #define EBADSLT 57 /* Invalid slot */ 00131 00132 #define EDEADLOCK EDEADLK 00133 00134 #define EBFONT 59 /* Bad font file format */ 00135 #define ENOSTR 60 /* Device not a stream */ 00136 #define ENODATA 61 /* No data available */ 00137 #define ETIME 62 /* Timer expired */ 00138 #define ENOSR 63 /* Out of streams resources */ 00139 #define ENONET 64 /* Machine is not on the network */ 00140 #define ENOPKG 65 /* Package not installed */ 00141 #define EREMOTE 66 /* Object is remote */ 00142 #define ENOLINK 67 /* Link has been severed */ 00143 #define EADV 68 /* Advertise error */ 00144 #define ESRMNT 69 /* Srmount error */ 00145 #define ECOMM 70 /* Communication error on send */ 00146 #define EPROTO 71 /* Protocol error */ 00147 #define EMULTIHOP 72 /* Multihop attempted */ 00148 #define EDOTDOT 73 /* RFS specific error */ 00149 #define EBADMSG 74 /* Not a data message */ 00150 #define EOVERFLOW 75 /* Value too large for defined data type */ 00151 #define ENOTUNIQ 76 /* Name not unique on network */ 00152 #define EBADFD 77 /* File descriptor in bad state */ 00153 #define EREMCHG 78 /* Remote address changed */ 00154 #define ELIBACC 79 /* Can not access a needed shared library */ 00155 #define ELIBBAD 80 /* Accessing a corrupted shared library */ 00156 #define ELIBSCN 81 /* .lib section in a.out corrupted */ 00157 #define ELIBMAX 82 /* Attempting to link in too many shared libraries */ 00158 #define ELIBEXEC 83 /* Cannot exec a shared library directly */ 00159 #define EILSEQ 84 /* Illegal byte sequence */ 00160 #define ERESTART 85 /* Interrupted system call should be restarted */ 00161 #define ESTRPIPE 86 /* Streams pipe error */ 00162 #define EUSERS 87 /* Too many users */ 00163 #define ENOTSOCK 88 /* Socket operation on non-socket */ 00164 #define EDESTADDRREQ 89 /* Destination address required */ 00165 #define EMSGSIZE 90 /* Message too long */ 00166 #define EPROTOTYPE 91 /* Protocol wrong type for socket */ 00167 #define ENOPROTOOPT 92 /* Protocol not available */ 00168 #define EPROTONOSUPPORT 93 /* Protocol not supported */ 00169 #define ESOCKTNOSUPPORT 94 /* Socket type not supported */ 00170 #define EOPNOTSUPP 95 /* Operation not supported on transport endpoint */ 00171 #define EPFNOSUPPORT 96 /* Protocol family not supported */ 00172 #define EAFNOSUPPORT 97 /* Address family not supported by protocol */ 00173 #define EADDRINUSE 98 /* Address already in use */ 00174 #define EADDRNOTAVAIL 99 /* Cannot assign requested address */ 00175 #define ENETDOWN 100 /* Network is down */ 00176 #define ENETUNREACH 101 /* Network is unreachable */ 00177 #define ENETRESET 102 /* Network dropped connection because of reset */ 00178 #define ECONNABORTED 103 /* Software caused connection abort */ 00179 #define ECONNRESET 104 /* Connection reset by peer */ 00180 #define ENOBUFS 105 /* No buffer space available */ 00181 #define EISCONN 106 /* Transport endpoint is already connected */ 00182 #define ENOTCONN 107 /* Transport endpoint is not connected */ 00183 #define ESHUTDOWN 108 /* Cannot send after transport endpoint shutdown */ 00184 #define ETOOMANYREFS 109 /* Too many references: cannot splice */ 00185 #define ETIMEDOUT 110 /* Connection timed out */ 00186 #define ECONNREFUSED 111 /* Connection refused */ 00187 #define EHOSTDOWN 112 /* Host is down */ 00188 #define EHOSTUNREACH 113 /* No route to host */ 00189 #define EALREADY 114 /* Operation already in progress */ 00190 #define EINPROGRESS 115 /* Operation now in progress */ 00191 #define ESTALE 116 /* Stale NFS file handle */ 00192 #define EUCLEAN 117 /* Structure needs cleaning */ 00193 #define ENOTNAM 118 /* Not a XENIX named type file */ 00194 #define ENAVAIL 119 /* No XENIX semaphores available */ 00195 #define EISNAM 120 /* Is a named type file */ 00196 #define EREMOTEIO 121 /* Remote I/O error */ 00197 #define EDQUOT 122 /* Quota exceeded */ 00198 00199 #define ENOMEDIUM 123 /* No medium found */ 00200 #define EMEDIUMTYPE 124 /* Wrong medium type */ 00201 00202 00203 #define ENSROK 0 /* DNS server returned answer with no data */ 00204 #define ENSRNODATA 160 /* DNS server returned answer with no data */ 00205 #define ENSRFORMERR 161 /* DNS server claims query was misformatted */ 00206 #define ENSRSERVFAIL 162 /* DNS server returned general failure */ 00207 #define ENSRNOTFOUND 163 /* Domain name not found */ 00208 #define ENSRNOTIMP 164 /* DNS server does not implement requested operation */ 00209 #define ENSRREFUSED 165 /* DNS server refused query */ 00210 #define ENSRBADQUERY 166 /* Misformatted DNS query */ 00211 #define ENSRBADNAME 167 /* Misformatted domain name */ 00212 #define ENSRBADFAMILY 168 /* Unsupported address family */ 00213 #define ENSRBADRESP 169 /* Misformatted DNS reply */ 00214 #define ENSRCONNREFUSED 170 /* Could not contact DNS servers */ 00215 #define ENSRTIMEOUT 171 /* Timeout while contacting DNS servers */ 00216 #define ENSROF 172 /* End of file */ 00217 #define ENSRFILE 173 /* Error reading file */ 00218 #define ENSRNOMEM 174 /* Out of memory */ 00219 #define ENSRDESTRUCTION 175 /* Application terminated lookup */ 00220 #define ENSRQUERYDOMAINTOOLONG 176 /* Domain name is too long */ 00221 #define ENSRCNAMELOOP 177 /* Domain name is too long */ 00222 00223 #ifndef errno 00224 extern int errno; 00225 #endif 00226 00227 #endif /* LWIP_PROVIDE_ERRNO */ 00228 00229 #ifdef __cplusplus 00230 } 00231 #endif 00232 00233 #endif /* __LWIP_ARCH_H__ */
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