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<td style="width: 80px;"><img alt="ChibiOS/RT Logo" src="logo_small.png"></td>
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<td><big><big>ChibiOS/RT</big></big><br><br>Architecture - Reference Manual - Guides</td>
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<h1>testmsg.c</h1> </div>
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<a href="testmsg_8c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
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<a name="l00002"></a>00002 <span class="comment"> ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.</span>
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<a name="l00003"></a>00003 <span class="comment"></span>
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<a name="l00004"></a>00004 <span class="comment"> This file is part of ChibiOS/RT.</span>
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<a name="l00005"></a>00005 <span class="comment"></span>
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<a name="l00006"></a>00006 <span class="comment"> ChibiOS/RT is free software; you can redistribute it and/or modify</span>
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<a name="l00007"></a>00007 <span class="comment"> it under the terms of the GNU General Public License as published by</span>
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<a name="l00008"></a>00008 <span class="comment"> the Free Software Foundation; either version 3 of the License, or</span>
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<a name="l00009"></a>00009 <span class="comment"> (at your option) any later version.</span>
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<a name="l00010"></a>00010 <span class="comment"></span>
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<a name="l00011"></a>00011 <span class="comment"> ChibiOS/RT is distributed in the hope that it will be useful,</span>
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<a name="l00012"></a>00012 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
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<a name="l00013"></a>00013 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
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<a name="l00014"></a>00014 <span class="comment"> GNU General Public License for more details.</span>
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<a name="l00015"></a>00015 <span class="comment"></span>
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<a name="l00016"></a>00016 <span class="comment"> You should have received a copy of the GNU General Public License</span>
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<a name="l00017"></a>00017 <span class="comment"> along with this program. If not, see <http://www.gnu.org/licenses/>.</span>
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<a name="l00018"></a>00018 <span class="comment"></span>
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<a name="l00019"></a>00019 <span class="comment"> ---</span>
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<a name="l00020"></a>00020 <span class="comment"></span>
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<a name="l00021"></a>00021 <span class="comment"> A special exception to the GPL can be applied should you wish to distribute</span>
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<a name="l00022"></a>00022 <span class="comment"> a combined work that includes ChibiOS/RT, without being obliged to provide</span>
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<a name="l00023"></a>00023 <span class="comment"> the source code for any proprietary components. See the file exception.txt</span>
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<a name="l00024"></a>00024 <span class="comment"> for full details of how and when the exception can be applied.</span>
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<a name="l00025"></a>00025 <span class="comment">*/</span>
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<a name="l00026"></a>00026
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<a name="l00027"></a>00027 <span class="preprocessor">#include "<a class="code" href="ch_8h.html" title="ChibiOS/RT main include file.">ch.h</a>"</span>
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<a name="l00028"></a>00028 <span class="preprocessor">#include "<a class="code" href="test_8h.html" title="Tests support header.">test.h</a>"</span>
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<a name="l00029"></a>00029 <span class="comment"></span>
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<a name="l00030"></a>00030 <span class="comment">/**</span>
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<a name="l00031"></a>00031 <span class="comment"> * @page test_msg Messages test</span>
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<a name="l00032"></a>00032 <span class="comment"> *</span>
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<a name="l00033"></a>00033 <span class="comment"> * File: @ref testmsg.c</span>
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<a name="l00034"></a>00034 <span class="comment"> *</span>
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<a name="l00035"></a>00035 <span class="comment"> * <h2>Description</h2></span>
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<a name="l00036"></a>00036 <span class="comment"> * This module implements the test sequence for the @ref messages subsystem.</span>
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<a name="l00037"></a>00037 <span class="comment"> *</span>
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<a name="l00038"></a>00038 <span class="comment"> * <h2>Objective</h2></span>
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<a name="l00039"></a>00039 <span class="comment"> * Objective of the test module is to cover 100% of the @ref messages</span>
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<a name="l00040"></a>00040 <span class="comment"> * subsystem code.</span>
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<a name="l00041"></a>00041 <span class="comment"> *</span>
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<a name="l00042"></a>00042 <span class="comment"> * <h2>Preconditions</h2></span>
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<a name="l00043"></a>00043 <span class="comment"> * The module requires the following kernel options:</span>
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<a name="l00044"></a>00044 <span class="comment"> * - @p CH_USE_MESSAGES</span>
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<a name="l00045"></a>00045 <span class="comment"> * .</span>
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<a name="l00046"></a>00046 <span class="comment"> * In case some of the required options are not enabled then some or all tests</span>
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<a name="l00047"></a>00047 <span class="comment"> * may be skipped.</span>
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<a name="l00048"></a>00048 <span class="comment"> *</span>
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<a name="l00049"></a>00049 <span class="comment"> * <h2>Test Cases</h2></span>
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<a name="l00050"></a>00050 <span class="comment"> * - @subpage test_msg_001</span>
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<a name="l00051"></a>00051 <span class="comment"> * .</span>
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<a name="l00052"></a>00052 <span class="comment"> * @file testmsg.c</span>
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<a name="l00053"></a>00053 <span class="comment"> * @brief Messages test source file</span>
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<a name="l00054"></a>00054 <span class="comment"> * @file testmsg.h</span>
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<a name="l00055"></a>00055 <span class="comment"> * @brief Messages header file</span>
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<a name="l00056"></a>00056 <span class="comment"> */</span>
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<a name="l00057"></a>00057
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<a name="l00058"></a>00058 <span class="preprocessor">#if CH_USE_MESSAGES</span>
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<a name="l00059"></a>00059 <span class="preprocessor"></span><span class="comment"></span>
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<a name="l00060"></a>00060 <span class="comment">/**</span>
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<a name="l00061"></a>00061 <span class="comment"> * @page test_msg_001 Messages Server loop</span>
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<a name="l00062"></a>00062 <span class="comment"> *</span>
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<a name="l00063"></a>00063 <span class="comment"> * <h2>Description</h2></span>
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<a name="l00064"></a>00064 <span class="comment"> * A thread is spawned that sends four messages back to the tester thread.<br></span>
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<a name="l00065"></a>00065 <span class="comment"> * The test expect to receive the messages in the correct sequence and to</span>
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<a name="l00066"></a>00066 <span class="comment"> * not find a fifth message waiting.</span>
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<a name="l00067"></a>00067 <span class="comment"> */</span>
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<a name="l00068"></a>00068
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<a name="l00069"></a>00069 <span class="keyword">static</span> <span class="keywordtype">char</span> *msg1_gettest(<span class="keywordtype">void</span>) {
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<a name="l00070"></a>00070
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<a name="l00071"></a>00071 <span class="keywordflow">return</span> <span class="stringliteral">"Messages, loop"</span>;
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<a name="l00072"></a>00072 }
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<a name="l00073"></a>00073
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<a name="l00074"></a>00074 <span class="keyword">static</span> <a class="code" href="group__types.html#ga35bcb0c321cd7bc45bf1a11fa17ebdd3" title="Message, use signed pointer equivalent.">msg_t</a> thread(<span class="keywordtype">void</span> *p) {
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<a name="l00075"></a>00075
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<a name="l00076"></a>00076 <a class="code" href="group__messages.html#ga29a48a438e97dc47cb798a84e13764cb" title="Sends a message to the specified thread.">chMsgSend</a>(p, <span class="charliteral">'A'</span>);
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<a name="l00077"></a>00077 <a class="code" href="group__messages.html#ga29a48a438e97dc47cb798a84e13764cb" title="Sends a message to the specified thread.">chMsgSend</a>(p, <span class="charliteral">'B'</span>);
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<a name="l00078"></a>00078 <a class="code" href="group__messages.html#ga29a48a438e97dc47cb798a84e13764cb" title="Sends a message to the specified thread.">chMsgSend</a>(p, <span class="charliteral">'C'</span>);
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<a name="l00079"></a>00079 <a class="code" href="group__messages.html#ga29a48a438e97dc47cb798a84e13764cb" title="Sends a message to the specified thread.">chMsgSend</a>(p, <span class="charliteral">'D'</span>);
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<a name="l00080"></a>00080 <span class="keywordflow">return</span> 0;
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<a name="l00081"></a>00081 }
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<a name="l00082"></a>00082
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<a name="l00083"></a>00083 <span class="keyword">static</span> <span class="keywordtype">void</span> msg1_execute(<span class="keywordtype">void</span>) {
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<a name="l00084"></a>00084 <a class="code" href="group__types.html#ga35bcb0c321cd7bc45bf1a11fa17ebdd3" title="Message, use signed pointer equivalent.">msg_t</a> msg;
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<a name="l00085"></a>00085
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<a name="l00086"></a>00086 <span class="comment">/*</span>
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<a name="l00087"></a>00087 <span class="comment"> * Testing the whole messages loop.</span>
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<a name="l00088"></a>00088 <span class="comment"> */</span>
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<a name="l00089"></a>00089 threads[0] = <a class="code" href="group__threads.html#ga048e588238dd336c6059133b3d0c3435" title="Creates a new thread into a static memory area.">chThdCreateStatic</a>(wa[0], WA_SIZE, <a class="code" href="group__threads.html#gac71903de6268d886ff58022854b8b6dd" title="Returns the current thread priority.">chThdGetPriority</a>() + 1,
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<a name="l00090"></a>00090 thread, <a class="code" href="group__threads.html#gaa36662628234799d205ff8c0cc6745c5" title="Returns a pointer to the current Thread.">chThdSelf</a>());
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<a name="l00091"></a>00091 <a class="code" href="group__messages.html#ga19a54b3b4b0e3677c47d650a3be3c7aa" title="Releases the thread waiting on top of the messages queue.">chMsgRelease</a>(msg = <a class="code" href="group__messages.html#gae68fefbf9d0404bbf56ae354961fae41" title="Suspends the thread and waits for an incoming message.">chMsgWait</a>());
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<a name="l00092"></a>00092 <a class="code" href="group__test.html#gab3d9527d7616b3f9f8cba60cda0211a8" title="Emits a token into the tokens buffer.">test_emit_token</a>(msg);
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<a name="l00093"></a>00093 <a class="code" href="group__messages.html#ga19a54b3b4b0e3677c47d650a3be3c7aa" title="Releases the thread waiting on top of the messages queue.">chMsgRelease</a>(msg = <a class="code" href="group__messages.html#gae68fefbf9d0404bbf56ae354961fae41" title="Suspends the thread and waits for an incoming message.">chMsgWait</a>());
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<a name="l00094"></a>00094 <a class="code" href="group__test.html#gab3d9527d7616b3f9f8cba60cda0211a8" title="Emits a token into the tokens buffer.">test_emit_token</a>(msg);
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<a name="l00095"></a>00095 <a class="code" href="group__messages.html#ga19a54b3b4b0e3677c47d650a3be3c7aa" title="Releases the thread waiting on top of the messages queue.">chMsgRelease</a>(msg = <a class="code" href="group__messages.html#gae68fefbf9d0404bbf56ae354961fae41" title="Suspends the thread and waits for an incoming message.">chMsgWait</a>());
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<a name="l00096"></a>00096 <a class="code" href="group__test.html#gab3d9527d7616b3f9f8cba60cda0211a8" title="Emits a token into the tokens buffer.">test_emit_token</a>(msg);
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<a name="l00097"></a>00097 <a class="code" href="group__test.html#ga876d47c016ac2d69d6611274252bdaf9" title="Test sequence assertion.">test_assert_sequence</a>(1, <span class="stringliteral">"ABC"</span>);
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<a name="l00098"></a>00098
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<a name="l00099"></a>00099 <span class="comment">/*</span>
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<a name="l00100"></a>00100 <span class="comment"> * Testing message fetch using chMsgGet().</span>
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<a name="l00101"></a>00101 <span class="comment"> * Note, the following is valid because the sender has higher priority than</span>
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<a name="l00102"></a>00102 <span class="comment"> * the receiver.</span>
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<a name="l00103"></a>00103 <span class="comment"> */</span>
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<a name="l00104"></a>00104 msg = <a class="code" href="group__messages.html#ga65dda189b03b238412301ce5d80bfcf4" title="Returns the next message in the queue.">chMsgGet</a>();
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<a name="l00105"></a>00105 <a class="code" href="group__test.html#ga835cb17ca3869922b49435d95324a68b" title="Test assertion.">test_assert</a>(1, msg != 0, <span class="stringliteral">"no message"</span>);
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<a name="l00106"></a>00106 <a class="code" href="group__messages.html#ga19a54b3b4b0e3677c47d650a3be3c7aa" title="Releases the thread waiting on top of the messages queue.">chMsgRelease</a>(0);
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<a name="l00107"></a>00107 <a class="code" href="group__test.html#ga835cb17ca3869922b49435d95324a68b" title="Test assertion.">test_assert</a>(2, msg == <span class="charliteral">'D'</span>, <span class="stringliteral">"wrong message"</span>);
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<a name="l00108"></a>00108
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<a name="l00109"></a>00109 <span class="comment">/*</span>
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<a name="l00110"></a>00110 <span class="comment"> * Must not have pending messages.</span>
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<a name="l00111"></a>00111 <span class="comment"> */</span>
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<a name="l00112"></a>00112 msg = <a class="code" href="group__messages.html#ga65dda189b03b238412301ce5d80bfcf4" title="Returns the next message in the queue.">chMsgGet</a>();
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<a name="l00113"></a>00113 <a class="code" href="group__test.html#ga835cb17ca3869922b49435d95324a68b" title="Test assertion.">test_assert</a>(3, msg == 0, <span class="stringliteral">"unknown message"</span>);
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<a name="l00114"></a>00114 }
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<a name="l00115"></a>00115
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<a name="l00116"></a>00116 <span class="keyword">const</span> <span class="keyword">struct </span><a class="code" href="structtestcase.html" title="Structure representing a test case.">testcase</a> testmsg1 = {
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<a name="l00117"></a>00117 msg1_gettest,
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<a name="l00118"></a>00118 NULL,
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<a name="l00119"></a>00119 NULL,
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<a name="l00120"></a>00120 msg1_execute
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<a name="l00121"></a>00121 };
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<a name="l00122"></a>00122
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<a name="l00123"></a>00123 <span class="preprocessor">#endif </span><span class="comment">/* CH_USE_MESSAGES */</span>
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<a name="l00124"></a>00124 <span class="comment"></span>
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<a name="l00125"></a>00125 <span class="comment">/**</span>
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<a name="l00126"></a>00126 <span class="comment"> * @brief Test sequence for messages.</span>
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<a name="l00127"></a>00127 <span class="comment"> */</span>
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<a name="l00128"></a><a class="code" href="testmsg_8h.html#a77709c017f100b2d6179ace41b9aba67">00128</a> <span class="keyword">const</span> <span class="keyword">struct </span><a class="code" href="structtestcase.html" title="Structure representing a test case.">testcase</a> * <span class="keyword">const</span> <a class="code" href="testmsg_8c.html#ac111c8b66901d381cd6073425d269b1c" title="Test sequence for messages.">patternmsg</a>[] = {
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<a name="l00129"></a>00129 <span class="preprocessor">#if CH_USE_MESSAGES</span>
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<a name="l00130"></a>00130 <span class="preprocessor"></span> &testmsg1,
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<a name="l00131"></a>00131 <span class="preprocessor">#endif</span>
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<a name="l00132"></a>00132 <span class="preprocessor"></span> NULL
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<a name="l00133"></a>00133 };
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</pre></div></div>
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