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author etisserant
Fri, 25 Jan 2008 08:20:11 +0100
changeset 368 7b51757bfc81
parent 240 34654679f262
permissions -rw-r--r--
changed order of declaration/initialization of variables to prevent some warnings 
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<a class="el" href="dir_65dd258ff9b9ef4cd7bd0d22f5e58dba.html">drivers</a>&nbsp;&raquo&nbsp;<a class="el" href="dir_2d4bff0e9225ea81eb175e376cee668f.html">hcs12</a></div>
<h1>interrupt.c</h1><a href="interrupt_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>
<a name="l00002"></a>00002 <span class="comment">This file is part of CanFestival, a library implementing CanOpen Stack. </span>
<a name="l00003"></a>00003 <span class="comment"></span>
<a name="l00004"></a>00004 <span class="comment">Copyright (C): Edouard TISSERANT and Francis DUPIN</span>
<a name="l00005"></a>00005 <span class="comment"></span>
<a name="l00006"></a>00006 <span class="comment">See COPYING file for copyrights details.</span>
<a name="l00007"></a>00007 <span class="comment"></span>
<a name="l00008"></a>00008 <span class="comment">This library is free software; you can redistribute it and/or</span>
<a name="l00009"></a>00009 <span class="comment">modify it under the terms of the GNU Lesser General Public</span>
<a name="l00010"></a>00010 <span class="comment">License as published by the Free Software Foundation; either</span>
<a name="l00011"></a>00011 <span class="comment">version 2.1 of the License, or (at your option) any later version.</span>
<a name="l00012"></a>00012 <span class="comment"></span>
<a name="l00013"></a>00013 <span class="comment">This library is distributed in the hope that it will be useful,</span>
<a name="l00014"></a>00014 <span class="comment">but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00015"></a>00015 <span class="comment">MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU</span>
<a name="l00016"></a>00016 <span class="comment">Lesser General Public License for more details.</span>
<a name="l00017"></a>00017 <span class="comment"></span>
<a name="l00018"></a>00018 <span class="comment">You should have received a copy of the GNU Lesser General Public</span>
<a name="l00019"></a>00019 <span class="comment">License along with this library; if not, write to the Free Software</span>
<a name="l00020"></a>00020 <span class="comment">Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA</span>
<a name="l00021"></a>00021 <span class="comment">*/</span>
<a name="l00022"></a>00022 
<a name="l00023"></a>00023 <span class="comment">/*</span>
<a name="l00024"></a>00024 <span class="comment">Functions called by interrupts vectors.</span>
<a name="l00025"></a>00025 <span class="comment">*/</span>
<a name="l00026"></a>00026 <span class="comment">/*</span>
<a name="l00027"></a>00027 <span class="comment">This is a part of the driver, of course !</span>
<a name="l00028"></a>00028 <span class="comment">But you have to put your code in this functions,</span>
<a name="l00029"></a>00029 <span class="comment">if you plan to use interruptions.</span>
<a name="l00030"></a>00030 <span class="comment">*/</span>
<a name="l00031"></a>00031 
<a name="l00032"></a>00032 <span class="preprocessor">#include "../include/data.h"</span>
<a name="l00033"></a>00033 <span class="preprocessor">#include "../include/hcs12/applicfg.h"</span>
<a name="l00034"></a>00034 <span class="preprocessor">#include "../include/hcs12/error.h"</span>
<a name="l00035"></a>00035 <span class="preprocessor">#include "../include/hcs12/candriver.h"</span>
<a name="l00036"></a>00036 <span class="preprocessor">#include "../include/hcs12/asm-m68hc12/regs.h"</span>
<a name="l00037"></a>00037 <span class="preprocessor">#include "../include/hcs12/asm-m68hc12/portsaccess.h"</span>
<a name="l00038"></a>00038 <span class="preprocessor">#include "../include/hcs12/asm-m68hc12/ports_def.h"</span>
<a name="l00039"></a>00039 <span class="preprocessor">#include "../include/hcs12/asm-m68hc12/ports.h"</span>
<a name="l00040"></a>00040 <span class="preprocessor">#include "../include/hcs12/interrupt.h"</span>
<a name="l00041"></a>00041 
<a name="l00042"></a>00042 <span class="keyword">extern</span> <span class="keyword">volatile</span> <span class="keywordtype">char</span> <a class="code" href="interrupt_8c.html#82f85514c94b93d15115bdfc37d97a9c">msgRecu</a>;
<a name="l00043"></a>00043 <span class="keyword">extern</span> <span class="keyword">volatile</span> <a class="code" href="structMessage.html">Message</a> <a class="code" href="interrupt_8c.html#4e6c77881895c0ebe596db34649d642d">canMsgRcv</a>;
<a name="l00044"></a>00044 
<a name="l00045"></a>00045 
<a name="l00046"></a>00046 
<a name="l00047"></a>00047 <span class="comment">/* Inhibe les interruptions */</span>
<a name="l00048"></a>00048 
<a name="l00049"></a><a class="code" href="interrupt_8h.html#a86d31d31831be20de69b1533b4acc5b">00049</a> <span class="keywordtype">void</span> <a class="code" href="interrupt_8c.html#a86d31d31831be20de69b1533b4acc5b">lock</a> (<span class="keywordtype">void</span>)
<a name="l00050"></a>00050 {
<a name="l00051"></a>00051    <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> mask;
<a name="l00052"></a>00052    <a class="code" href="regs_8h.html#d28436d08fab91f8bebd7fd082b3f757">__asm__</a> __volatile__ (<span class="stringliteral">"tpa\n\tsei"</span> : <span class="stringliteral">"=d"</span>(mask));
<a name="l00053"></a>00053 
<a name="l00054"></a>00054 }
<a name="l00055"></a>00055 
<a name="l00056"></a>00056 <span class="comment">/* Autorise les interruptions */</span>
<a name="l00057"></a><a class="code" href="interrupt_8h.html#8704c06a2936e68f7c25dc0c1d335cca">00057</a> <span class="keywordtype">void</span> <a class="code" href="interrupt_8c.html#8704c06a2936e68f7c25dc0c1d335cca">unlock</a> (<span class="keywordtype">void</span>)
<a name="l00058"></a>00058 { 
<a name="l00059"></a>00059    <a class="code" href="regs_8h.html#d28436d08fab91f8bebd7fd082b3f757">__asm__</a> __volatile__ (<span class="stringliteral">"cli"</span>);
<a name="l00060"></a>00060 }
<a name="l00061"></a>00061 
<a name="l00062"></a>00062 
<a name="l00063"></a>00063 
<a name="l00064"></a>00064 
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