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<html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1">
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<title>CanFestival: drivers/can_virtual/can_virtual.c Source File</title>
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<a class="el" href="dir_d58fb241e647de6212c31ecccf9cbace.html">drivers</a> » <a class="el" href="dir_2f1d38949ead60c979d76e04f3273800.html">can_virtual</a></div>
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<h1>can_virtual.c</h1><a href="can__virtual_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">This file is part of CanFestival, a library implementing CanOpen Stack. </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">Copyright (C): Edouard TISSERANT and Francis DUPIN</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">See COPYING file for copyrights details.</span>
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<a name="l00007"></a>00007 <span class="comment"></span>
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<a name="l00008"></a>00008 <span class="comment">This library is free software; you can redistribute it and/or</span>
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<a name="l00009"></a>00009 <span class="comment">modify it under the terms of the GNU Lesser General Public</span>
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<a name="l00010"></a>00010 <span class="comment">License as published by the Free Software Foundation; either</span>
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<a name="l00011"></a>00011 <span class="comment">version 2.1 of the License, or (at your option) any later version.</span>
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<a name="l00012"></a>00012 <span class="comment"></span>
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<a name="l00013"></a>00013 <span class="comment">This library is distributed in the hope that it will be useful,</span>
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<a name="l00014"></a>00014 <span class="comment">but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
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<a name="l00015"></a>00015 <span class="comment">MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
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<a name="l00016"></a>00016 <span class="comment">Lesser General Public License for more details.</span>
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<a name="l00017"></a>00017 <span class="comment"></span>
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<a name="l00018"></a>00018 <span class="comment">You should have received a copy of the GNU Lesser General Public</span>
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<a name="l00019"></a>00019 <span class="comment">License along with this library; if not, write to the Free Software</span>
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<a name="l00020"></a>00020 <span class="comment">Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span>
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<a name="l00021"></a>00021 <span class="comment">*/</span>
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<a name="l00022"></a>00022
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<a name="l00023"></a>00023 <span class="comment">/*</span>
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<a name="l00024"></a>00024 <span class="comment"> Virtual CAN driver.</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 <stdio.h></span>
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<a name="l00028"></a>00028 <span class="preprocessor">#include <unistd.h></span>
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<a name="l00029"></a>00029
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<a name="l00030"></a>00030 <span class="preprocessor">#include "<a class="code" href="can__driver_8h.html">can_driver.h</a>"</span>
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<a name="l00031"></a>00031 <span class="preprocessor">#include "<a class="code" href="def_8h.html">def.h</a>"</span>
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<a name="l00032"></a>00032
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<a name="l00033"></a><a class="code" href="can__virtual_8c.html#b2f51095e950bbeab1ea15fac21e6146">00033</a> <span class="preprocessor">#define MAX_NB_CAN_PIPES 16</span>
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<a name="l00034"></a>00034 <span class="preprocessor"></span>
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<a name="l00035"></a><a class="code" href="structCANPipe.html">00035</a> <span class="keyword">typedef</span> <span class="keyword">struct </span>{
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57 |
<a name="l00036"></a><a class="code" href="structCANPipe.html#86b7d0cf232b1b6b687c19b61434aa2f">00036</a> <span class="keywordtype">char</span> used;
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<a name="l00037"></a><a class="code" href="structCANPipe.html#e9844050beddb410380d91715c53debc">00037</a> <span class="keywordtype">int</span> pipe[2];
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<a name="l00038"></a>00038 } <a class="code" href="structCANPipe.html">CANPipe</a>;
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<a name="l00039"></a>00039
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<a name="l00040"></a><a class="code" href="can__virtual_8c.html#53fd0e34e8d4d31bf381700a9d8ae72b">00040</a> <a class="code" href="structCANPipe.html">CANPipe</a> <a class="code" href="can__virtual_8c.html#53fd0e34e8d4d31bf381700a9d8ae72b">canpipes</a>[<a class="code" href="can__virtual_8c.html#b2f51095e950bbeab1ea15fac21e6146">MAX_NB_CAN_PIPES</a>] = {{0,},{0,},{0,},{0,},{0,},{0,},{0,},{0,},{0,},{0,},{0,},{0,},{0,},{0,},{0,},{0,},};
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<a name="l00041"></a>00041
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<a name="l00042"></a>00042 <span class="comment">/*********functions which permit to communicate with the board****************/</span>
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<a name="l00043"></a><a class="code" href="can__virtual_8c.html#6b3248e95acf2b08d1fd8b42610cc5a6">00043</a> <a class="code" href="hcs12_2applicfg_8h.html#539234687760592d01a8b0d3357bc00e">UNS8</a> <a class="code" href="can__lincan_8c.html#6b3248e95acf2b08d1fd8b42610cc5a6">canReceive_driver</a>(<a class="code" href="unix_2applicfg_8h.html#712c7b28987b12b8d400df19c92d0f5e">CAN_HANDLE</a> fd0, <a class="code" href="structMessage.html">Message</a> *m)
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<a name="l00044"></a>00044 {
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66 |
<a name="l00045"></a>00045 <span class="keywordflow">if</span>(read(((<a class="code" href="structCANPipe.html">CANPipe</a>*)fd0)->pipe[0], m, <span class="keyword">sizeof</span>(<a class="code" href="structMessage.html">Message</a>)) != (ssize_t)<span class="keyword">sizeof</span>(Message))
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67 |
<a name="l00046"></a>00046 {
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68 |
<a name="l00047"></a>00047 <span class="keywordflow">return</span> 1;
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69 |
<a name="l00048"></a>00048 }
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70 |
<a name="l00049"></a>00049 <span class="keywordflow">return</span> 0;
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<a name="l00050"></a>00050 }
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72 |
<a name="l00051"></a>00051
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73 |
<a name="l00052"></a><a class="code" href="can__virtual_8c.html#124cab530f97a752eb2e110c1b398c11">00052</a> <span class="preprocessor">#define MyCase(fc) case fc: printf(#fc);break;</span>
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74 |
<a name="l00053"></a><a class="code" href="TestMasterSlave_8h.html#6baa544d467cbabaf4bacadc74cc6523">00053</a> <span class="preprocessor"></span><span class="keywordtype">void</span> <a class="code" href="can__virtual_8c.html#6baa544d467cbabaf4bacadc74cc6523">print_message</a>(<a class="code" href="structMessage.html">Message</a> *m)
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<a name="l00054"></a>00054 {
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76 |
<a name="l00055"></a>00055 <span class="keywordtype">int</span> i;
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77 |
<a name="l00056"></a>00056 <span class="keywordflow">switch</span>(m-><a class="code" href="structMessage.html#c5d40bde75d015beb48293c052a218b5">cob_id</a>.<a class="code" href="structSHORT__CAN.html#614e1c6a40f1261e2b15ad69b19e9698">w</a> >> 7)
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<a name="l00057"></a>00057 {
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79 |
<a name="l00058"></a>00058 <a class="code" href="can__virtual_8c.html#124cab530f97a752eb2e110c1b398c11">MyCase</a>(<a class="code" href="def_8h.html#9ac82e856c7683e23553431e5224d5f4">SYNC</a>)
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80 |
<a name="l00059"></a>00059 <a class="code" href="can__virtual_8c.html#124cab530f97a752eb2e110c1b398c11">MyCase</a>(<a class="code" href="def_8h.html#5a63bf5566f66e30f56bc17eea0e5e4b">TIME_STAMP</a>)
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81 |
<a name="l00060"></a>00060 <a class="code" href="can__virtual_8c.html#124cab530f97a752eb2e110c1b398c11">MyCase</a>(<a class="code" href="def_8h.html#0a250614ba4dca3e87f768efcb58f238">PDO1tx</a>)
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82 |
<a name="l00061"></a>00061 <a class="code" href="can__virtual_8c.html#124cab530f97a752eb2e110c1b398c11">MyCase</a>(<a class="code" href="def_8h.html#17c7ee302d491b1ef74d2a4a795f82c6">PDO1rx</a>)
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83 |
<a name="l00062"></a>00062 <a class="code" href="can__virtual_8c.html#124cab530f97a752eb2e110c1b398c11">MyCase</a>(<a class="code" href="def_8h.html#67f4224b2c072a82b37a4835ca1c75e1">PDO2tx</a>)
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84 |
<a name="l00063"></a>00063 <a class="code" href="can__virtual_8c.html#124cab530f97a752eb2e110c1b398c11">MyCase</a>(<a class="code" href="def_8h.html#b23848999420738438097816fee3f25d">PDO2rx</a>)
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85 |
<a name="l00064"></a>00064 <a class="code" href="can__virtual_8c.html#124cab530f97a752eb2e110c1b398c11">MyCase</a>(<a class="code" href="def_8h.html#00ef0f6ae698f9cb944b4302e66e6c83">PDO3tx</a>)
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86 |
<a name="l00065"></a>00065 <a class="code" href="can__virtual_8c.html#124cab530f97a752eb2e110c1b398c11">MyCase</a>(<a class="code" href="def_8h.html#239d135abea5ec798461cad43f9286b5">PDO3rx</a>)
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87 |
<a name="l00066"></a>00066 <a class="code" href="can__virtual_8c.html#124cab530f97a752eb2e110c1b398c11">MyCase</a>(<a class="code" href="def_8h.html#bda4cc9ec44d1fc524bfdcae030df4be">PDO4tx</a>)
|
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88 |
<a name="l00067"></a>00067 <a class="code" href="can__virtual_8c.html#124cab530f97a752eb2e110c1b398c11">MyCase</a>(<a class="code" href="def_8h.html#282f714f745dd28e9a017044020aa3dc">PDO4rx</a>)
|
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89 |
<a name="l00068"></a>00068 <a class="code" href="can__virtual_8c.html#124cab530f97a752eb2e110c1b398c11">MyCase</a>(<a class="code" href="def_8h.html#74331e9b1d102bd0a3d5d9c1fc4f8212">SDOtx</a>)
|
|
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90 |
<a name="l00069"></a>00069 <a class="code" href="can__virtual_8c.html#124cab530f97a752eb2e110c1b398c11">MyCase</a>(<a class="code" href="def_8h.html#44318f0cf5176db0eedd1c8519bd8f35">SDOrx</a>)
|
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91 |
<a name="l00070"></a>00070 <a class="code" href="can__virtual_8c.html#124cab530f97a752eb2e110c1b398c11">MyCase</a>(<a class="code" href="def_8h.html#78d5d3f71db9f360c9e3d3953707b0c1">NODE_GUARD</a>)
|
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92 |
<a name="l00071"></a>00071 <a class="code" href="can__virtual_8c.html#124cab530f97a752eb2e110c1b398c11">MyCase</a>(<a class="code" href="def_8h.html#adbe0bb038acafa1c8adb0f98c870233">NMT</a>)
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93 |
<a name="l00072"></a>00072 }
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94 |
<a name="l00073"></a>00073 printf(<span class="stringliteral">" rtr:%d"</span>, m-><a class="code" href="structMessage.html#41c5a4e7eaeb2c2ae1af2b2c83129615">rtr</a>);
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95 |
<a name="l00074"></a>00074 printf(<span class="stringliteral">" len:%d"</span>, m-><a class="code" href="structMessage.html#d1dd9a88dda088ff4c7073d49613613d">len</a>);
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96 |
<a name="l00075"></a>00075 <span class="keywordflow">for</span> (i = 0 ; i < m-><a class="code" href="structMessage.html#d1dd9a88dda088ff4c7073d49613613d">len</a> ; i++)
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97 |
<a name="l00076"></a>00076 printf(<span class="stringliteral">" %02x"</span>, m-><a class="code" href="structMessage.html#229865b09691e658677ba76f2d82ce89">data</a>[i]);
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98 |
<a name="l00077"></a>00077 printf(<span class="stringliteral">"\n"</span>);
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99 |
<a name="l00078"></a>00078 }
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100 |
<a name="l00079"></a>00079
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101 |
<a name="l00080"></a>00080 <span class="comment">/***************************************************************************/</span>
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102 |
<a name="l00081"></a><a class="code" href="can__virtual_8c.html#def95aee49efa13dd047d0b3b5507ad3">00081</a> <a class="code" href="hcs12_2applicfg_8h.html#539234687760592d01a8b0d3357bc00e">UNS8</a> <a class="code" href="can__lincan_8c.html#def95aee49efa13dd047d0b3b5507ad3">canSend_driver</a>(<a class="code" href="unix_2applicfg_8h.html#712c7b28987b12b8d400df19c92d0f5e">CAN_HANDLE</a> fd0, <a class="code" href="structMessage.html">Message</a> *m)
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103 |
<a name="l00082"></a>00082 {
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104 |
<a name="l00083"></a>00083 <span class="keywordtype">int</span> i;
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105 |
<a name="l00084"></a>00084
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106 |
<a name="l00085"></a>00085 printf(<span class="stringliteral">"%x->[ "</span>, (<a class="code" href="structCANPipe.html">CANPipe</a>*)fd0 - &<a class="code" href="can__virtual_8c.html#53fd0e34e8d4d31bf381700a9d8ae72b">canpipes</a>[0]);
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107 |
<a name="l00086"></a>00086 <span class="keywordflow">for</span>(i=0; i < <a class="code" href="can__virtual_8c.html#b2f51095e950bbeab1ea15fac21e6146">MAX_NB_CAN_PIPES</a>; i++)
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108 |
<a name="l00087"></a>00087 {
|
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109 |
<a name="l00088"></a>00088 <span class="keywordflow">if</span>(<a class="code" href="can__virtual_8c.html#53fd0e34e8d4d31bf381700a9d8ae72b">canpipes</a>[i].used && &<a class="code" href="can__virtual_8c.html#53fd0e34e8d4d31bf381700a9d8ae72b">canpipes</a>[i] != (<a class="code" href="structCANPipe.html">CANPipe</a>*)fd0)
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110 |
<a name="l00089"></a>00089 {
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111 |
<a name="l00090"></a>00090 printf(<span class="stringliteral">"%x "</span>,i);
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112 |
<a name="l00091"></a>00091 }
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113 |
<a name="l00092"></a>00092 }
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114 |
<a name="l00093"></a>00093 printf(<span class="stringliteral">" ]"</span>);
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115 |
<a name="l00094"></a>00094 <a class="code" href="can__virtual_8c.html#6baa544d467cbabaf4bacadc74cc6523">print_message</a>(m);
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116 |
<a name="l00095"></a>00095
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117 |
<a name="l00096"></a>00096 <span class="comment">// Send to all readers, except myself</span>
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118 |
<a name="l00097"></a>00097 <span class="keywordflow">for</span>(i=0; i < MAX_NB_CAN_PIPES; i++)
|
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119 |
<a name="l00098"></a>00098 {
|
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120 |
<a name="l00099"></a>00099 <span class="keywordflow">if</span>(<a class="code" href="can__virtual_8c.html#53fd0e34e8d4d31bf381700a9d8ae72b">canpipes</a>[i].used && &<a class="code" href="can__virtual_8c.html#53fd0e34e8d4d31bf381700a9d8ae72b">canpipes</a>[i] != (<a class="code" href="structCANPipe.html">CANPipe</a>*)fd0)
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121 |
<a name="l00100"></a>00100 {
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122 |
<a name="l00101"></a>00101 write(<a class="code" href="can__virtual_8c.html#53fd0e34e8d4d31bf381700a9d8ae72b">canpipes</a>[i].pipe[1], m, <span class="keyword">sizeof</span>(<a class="code" href="structMessage.html">Message</a>));
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123 |
<a name="l00102"></a>00102 }
|
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124 |
<a name="l00103"></a>00103 }
|
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125 |
<a name="l00104"></a>00104 <span class="keywordflow">return</span> 0;
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126 |
<a name="l00105"></a>00105 }
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127 |
<a name="l00106"></a>00106 <span class="comment">/*</span>
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128 |
<a name="l00107"></a>00107 <span class="comment">int TranslateBaudeRate(char* optarg){</span>
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129 |
<a name="l00108"></a>00108 <span class="comment"> if(!strcmp( optarg, "1M")) return 1000;</span>
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130 |
<a name="l00109"></a>00109 <span class="comment"> if(!strcmp( optarg, "500K")) return 500;</span>
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131 |
<a name="l00110"></a>00110 <span class="comment"> if(!strcmp( optarg, "250K")) return 250;</span>
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132 |
<a name="l00111"></a>00111 <span class="comment"> if(!strcmp( optarg, "125K")) return 125;</span>
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133 |
<a name="l00112"></a>00112 <span class="comment"> if(!strcmp( optarg, "100K")) return 100;</span>
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134 |
<a name="l00113"></a>00113 <span class="comment"> if(!strcmp( optarg, "50K")) return 50;</span>
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135 |
<a name="l00114"></a>00114 <span class="comment"> if(!strcmp( optarg, "20K")) return 20;</span>
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136 |
<a name="l00115"></a>00115 <span class="comment"> if(!strcmp( optarg, "10K")) return 10;</span>
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137 |
<a name="l00116"></a>00116 <span class="comment"> if(!strcmp( optarg, "5K")) return 5;</span>
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138 |
<a name="l00117"></a>00117 <span class="comment"> if(!strcmp( optarg, "none")) return 0;</span>
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139 |
<a name="l00118"></a>00118 <span class="comment"> return 0;</span>
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140 |
<a name="l00119"></a>00119 <span class="comment">}*/</span>
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141 |
<a name="l00120"></a>00120 <span class="comment">/***************************************************************************/</span>
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<a name="l00121"></a><a class="code" href="can__virtual_8c.html#945403aba7f36acbd2e7160ade361bab">00121</a> <a class="code" href="unix_2applicfg_8h.html#712c7b28987b12b8d400df19c92d0f5e">CAN_HANDLE</a> <a class="code" href="can__lincan_8c.html#945403aba7f36acbd2e7160ade361bab">canOpen_driver</a>(<a class="code" href="structstruct__s__BOARD.html">s_BOARD</a> *board)
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<a name="l00122"></a>00122 {
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<a name="l00123"></a>00123 <span class="keywordtype">int</span> i;
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<a name="l00124"></a>00124 <span class="keywordflow">for</span>(i=0; i < <a class="code" href="can__virtual_8c.html#b2f51095e950bbeab1ea15fac21e6146">MAX_NB_CAN_PIPES</a>; i++)
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<a name="l00125"></a>00125 {
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<a name="l00126"></a>00126 <span class="keywordflow">if</span>(!<a class="code" href="can__virtual_8c.html#53fd0e34e8d4d31bf381700a9d8ae72b">canpipes</a>[i].used)
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<a name="l00127"></a>00127 <span class="keywordflow">break</span>;
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<a name="l00128"></a>00128 }
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<a name="l00129"></a>00129
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<a name="l00130"></a>00130 <span class="comment">/* Create the pipe. */</span>
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<a name="l00131"></a>00131 <span class="keywordflow">if</span> (i==MAX_NB_CAN_PIPES || pipe(<a class="code" href="can__virtual_8c.html#53fd0e34e8d4d31bf381700a9d8ae72b">canpipes</a>[i].pipe))
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<a name="l00132"></a>00132 {
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<a name="l00133"></a>00133 fprintf (stderr, <span class="stringliteral">"Open failed.\n"</span>);
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<a name="l00134"></a>00134 <span class="keywordflow">return</span> (<a class="code" href="unix_2applicfg_8h.html#712c7b28987b12b8d400df19c92d0f5e">CAN_HANDLE</a>)NULL;
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<a name="l00135"></a>00135 }
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<a name="l00136"></a>00136
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<a name="l00137"></a>00137 <a class="code" href="can__virtual_8c.html#53fd0e34e8d4d31bf381700a9d8ae72b">canpipes</a>[i].<a class="code" href="structCANPipe.html#86b7d0cf232b1b6b687c19b61434aa2f">used</a> = 1;
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<a name="l00138"></a>00138 <span class="keywordflow">return</span> (<a class="code" href="unix_2applicfg_8h.html#712c7b28987b12b8d400df19c92d0f5e">CAN_HANDLE</a>) &<a class="code" href="can__virtual_8c.html#53fd0e34e8d4d31bf381700a9d8ae72b">canpipes</a>[i];
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<a name="l00139"></a>00139 }
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<a name="l00140"></a>00140
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<a name="l00141"></a>00141 <span class="comment">/***************************************************************************/</span>
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<a name="l00142"></a><a class="code" href="can__virtual_8c.html#76e6a915d0e40a23b863198b2aaa5545">00142</a> <span class="keywordtype">int</span> <a class="code" href="can__lincan_8c.html#76e6a915d0e40a23b863198b2aaa5545">canClose_driver</a>(<a class="code" href="unix_2applicfg_8h.html#712c7b28987b12b8d400df19c92d0f5e">CAN_HANDLE</a> fd0)
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<a name="l00143"></a>00143 {
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<a name="l00144"></a>00144 close(((<a class="code" href="structCANPipe.html">CANPipe</a>*)fd0)->pipe[0]);
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<a name="l00145"></a>00145 close(((<a class="code" href="structCANPipe.html">CANPipe</a>*)fd0)->pipe[1]);
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<a name="l00146"></a>00146 ((<a class="code" href="structCANPipe.html">CANPipe</a>*)fd0)->used = 0;
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<a name="l00147"></a>00147 <span class="keywordflow">return</span> 0;
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<a name="l00148"></a>00148 }
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<a name="l00149"></a>00149
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<a name="l00150"></a>00150
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</pre></div><hr size="1"><address style="align: right;"><small>Generated on Fri Jun 8 08:51:38 2007 for CanFestival by
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<a href="http://www.doxygen.org/index.html">
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<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.1 </small></address>
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</body>
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