📄 udp__demo_8c-source.html
字号:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>/opentcp/demo/udp_demo.c Source File</title><link href="doxygen.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.2.18 --><center><a class="qindex" href="main.html">Main Page</a> <a class="qindex" href="modules.html">Modules</a> <a class="qindex" href="annotated.html">Data Structures</a> <a class="qindex" href="files.html">File List</a> <a class="qindex" href="functions.html">Data Fields</a> <a class="qindex" href="globals.html">Globals</a> <a class="qindex" href="pages.html">Related Pages</a> <a class="qindex" href="examples.html">Examples</a> </center><hr><h1>/opentcp/demo/udp_demo.c</h1><a href="udp__demo_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001 <span class="comment">/*</span>00002 <span class="comment"> *Copyright (c) 2000-2002 Viola Systems Ltd.</span>00003 <span class="comment"> *All rights reserved.</span>00004 <span class="comment"> *</span>00005 <span class="comment"> *Redistribution and use in source and binary forms, with or without </span>00006 <span class="comment"> *modification, are permitted provided that the following conditions </span>00007 <span class="comment"> *are met:</span>00008 <span class="comment"> *</span>00009 <span class="comment"> *1. Redistributions of source code must retain the above copyright </span>00010 <span class="comment"> *notice, this list of conditions and the following disclaimer.</span>00011 <span class="comment"> *</span>00012 <span class="comment"> *2. Redistributions in binary form must reproduce the above copyright </span>00013 <span class="comment"> *notice, this list of conditions and the following disclaimer in the </span>00014 <span class="comment"> *documentation and/or other materials provided with the distribution.</span>00015 <span class="comment"> *</span>00016 <span class="comment"> *3. The end-user documentation included with the redistribution, if </span>00017 <span class="comment"> *any, must include the following acknowledgment:</span>00018 <span class="comment"> * "This product includes software developed by Viola </span>00019 <span class="comment"> * Systems (http://www.violasystems.com/)."</span>00020 <span class="comment"> *</span>00021 <span class="comment"> *Alternately, this acknowledgment may appear in the software itself, </span>00022 <span class="comment"> *if and wherever such third-party acknowledgments normally appear.</span>00023 <span class="comment"> *</span>00024 <span class="comment"> *4. The names "OpenTCP" and "Viola Systems" must not be used to </span>00025 <span class="comment"> *endorse or promote products derived from this software without prior </span>00026 <span class="comment"> *written permission. For written permission, please contact </span>00027 <span class="comment"> *opentcp@opentcp.org.</span>00028 <span class="comment"> *</span>00029 <span class="comment"> *5. Products derived from this software may not be called "OpenTCP", </span>00030 <span class="comment"> *nor may "OpenTCP" appear in their name, without prior written </span>00031 <span class="comment"> *permission of the Viola Systems Ltd.</span>00032 <span class="comment"> *</span>00033 <span class="comment"> *THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED </span>00034 <span class="comment"> *WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF </span>00035 <span class="comment"> *MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. </span>00036 <span class="comment"> *IN NO EVENT SHALL VIOLA SYSTEMS LTD. OR ITS CONTRIBUTORS BE LIABLE </span>00037 <span class="comment"> *FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR </span>00038 <span class="comment"> *CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF </span>00039 <span class="comment"> *SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR </span>00040 <span class="comment"> *BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, </span>00041 <span class="comment"> *WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE </span>00042 <span class="comment"> *OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, </span>00043 <span class="comment"> *EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span>00044 <span class="comment"> *====================================================================</span>00045 <span class="comment"> *</span>00046 <span class="comment"> *OpenTCP is the unified open source TCP/IP stack available on a series </span>00047 <span class="comment"> *of 8/16-bit microcontrollers, please see <http://www.opentcp.org>.</span>00048 <span class="comment"> *</span>00049 <span class="comment"> *For more information on how to network-enable your devices, or how to </span>00050 <span class="comment"> *obtain commercial technical support for OpenTCP, please see </span>00051 <span class="comment"> *<http://www.violasystems.com/>.</span>00052 <span class="comment"> */</span>00053 00071 <span class="preprocessor">#include <<a class="code" href="debug_8h.html">inet/debug.h</a>></span>00072 <span class="preprocessor">#include <<a class="code" href="datatypes_8h.html">inet/datatypes.h</a>></span>00073 <span class="preprocessor">#include <<a class="code" href="globalvariables_8h.html">inet/globalvariables.h</a>></span>00074 <span class="preprocessor">#include <<a class="code" href="system_8h.html">inet/system.h</a>></span>00075 <span class="preprocessor">#include <<a class="code" href="tcp__ip_8h.html">inet/tcp_ip.h</a>></span>00076 00077 <span class="comment">/* The applications that use UDP must implement following function stubs */</span>00078 <span class="comment">/* void application_name_init (void) - call once when processor starts */</span>00079 <span class="comment">/* void application_name_run (void) - call periodically on main loop */</span>00080 <span class="comment">/* INT32 application_name_eventlistener (INT8, UINT8, UINT32, UINT16, UINT16, UINT16) */</span>00081 <span class="comment">/* - called by TCP input process to inform arriving data, errors etc */</span>00082 00083 <span class="comment">/* These will probably go to some include file */</span>00084 <span class="keywordtype">void</span> udp_demo_init(<span class="keywordtype">void</span>);00085 <span class="keywordtype">void</span> udp_demo_run(<span class="keywordtype">void</span>);00086 INT32 udp_demo_eventlistener(INT8 , UINT8 , UINT32 , UINT16 , UINT16 , UINT16 );00087 <a name="l00095"></a><a class="code" href="udp__demo_8c.html#a4">00095</a> UINT8 <a class="code" href="udp__demo_8c.html#a4">udp_demo_soch</a>;00096 <a name="l00097"></a><a class="code" href="udp__demo_8c.html#a5">00097</a> UINT8 <a class="code" href="udp__demo_8c.html#a5">udp_demo_senddata</a>; <a name="l00099"></a><a class="code" href="udp__demo_8c.html#a0">00099</a> <span class="preprocessor">#define UDP_DEMO_PORT 5000 </span><a name="l00101"></a><a class="code" href="udp__demo_8c.html#a1">00101</a> <span class="preprocessor">#define UDP_DEMO_RMTHOST_IP 0xAC100101 </span><a name="l00103"></a><a class="code" href="udp__demo_8c.html#a2">00103</a> <span class="preprocessor">#define UDP_DEMO_RMTHOST_PRT 5001 </span>00105 <span class="preprocessor"></span><span class="comment">/* Internal function used for sending data to a predefined host */</span>00106 INT16 udp_demo_send(<span class="keywordtype">void</span>);00107 00108 <span class="comment">/* Initialize resources needed for the UDP socket application */</span>00109 <span class="keywordtype">void</span> udp_demo_init(<span class="keywordtype">void</span>){00110 00111 DEBUGOUT(<span class="stringliteral">"Initializing UDP demo client\r\n"</span>);00112 00113 <span class="comment">/* Get socket:</span>00114 <span class="comment"> * 0 - for now not type of service implemented in UDP</span>00115 <span class="comment"> * udp_echo_eventlistener - pointer to listener function</span>00116 <span class="comment"> * UDP_OPT_SEND_CS|UDP_OPT_CHECK_CS - checksum options. Calculate</span>00117 <span class="comment"> * checksum for outgoing packets and check checksum for</span>00118 <span class="comment"> * received packets.</span>00119 <span class="comment"> */</span>00120 <a class="code" href="udp__demo_8c.html#a4">udp_demo_soch</a>=<a class="code" href="udp_8c.html#a3">udp_getsocket</a>(0 , udp_demo_eventlistener , <a class="code" href="tcp__ip_8h.html#a5">UDP_OPT_SEND_CS</a> | <a class="code" href="tcp__ip_8h.html#a6">UDP_OPT_CHECK_CS</a>);00121 00122 <span class="keywordflow">if</span>(<a class="code" href="udp__demo_8c.html#a4">udp_demo_soch</a> == -1){00123 DEBUGOUT(<span class="stringliteral">"No free UDP sockets!! \r\n"</span>);00124 <a class="code" href="system_8h.html#a6">RESET_SYSTEM</a>();00125 }00126 ⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -