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[fw/stlink] / exampleF4 / CMSIS / Documentation / DSP_Lib / html / arm__pid__reset__q31_8c_source.html
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50 <h1>arm_pid_reset_q31.c</h1>  </div>
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53 <a href="arm__pid__reset__q31_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>
54 <a name="l00002"></a>00002 <span class="comment">* Copyright (C) 2010 ARM Limited. All rights reserved.   </span>
55 <a name="l00003"></a>00003 <span class="comment">*   </span>
56 <a name="l00004"></a>00004 <span class="comment">* $Date:        15. July 2011  </span>
57 <a name="l00005"></a>00005 <span class="comment">* $Revision:    V1.0.10  </span>
58 <a name="l00006"></a>00006 <span class="comment">*   </span>
59 <a name="l00007"></a>00007 <span class="comment">* Project:      CMSIS DSP Library   </span>
60 <a name="l00008"></a>00008 <span class="comment">* Title:        arm_pid_reset_q31.c   </span>
61 <a name="l00009"></a>00009 <span class="comment">*   </span>
62 <a name="l00010"></a>00010 <span class="comment">* Description:  Q31 PID Control reset function  </span>
63 <a name="l00011"></a>00011 <span class="comment">*   </span>
64 <a name="l00012"></a>00012 <span class="comment">* Target Processor: Cortex-M4/Cortex-M3/Cortex-M0</span>
65 <a name="l00013"></a>00013 <span class="comment">*  </span>
66 <a name="l00014"></a>00014 <span class="comment">* Version 1.0.10 2011/7/15 </span>
67 <a name="l00015"></a>00015 <span class="comment">*    Big Endian support added and Merged M0 and M3/M4 Source code.  </span>
68 <a name="l00016"></a>00016 <span class="comment">*   </span>
69 <a name="l00017"></a>00017 <span class="comment">* Version 1.0.3 2010/11/29  </span>
70 <a name="l00018"></a>00018 <span class="comment">*    Re-organized the CMSIS folders and updated documentation.   </span>
71 <a name="l00019"></a>00019 <span class="comment">*    </span>
72 <a name="l00020"></a>00020 <span class="comment">* Version 1.0.2 2010/11/11   </span>
73 <a name="l00021"></a>00021 <span class="comment">*    Documentation updated.    </span>
74 <a name="l00022"></a>00022 <span class="comment">*   </span>
75 <a name="l00023"></a>00023 <span class="comment">* Version 1.0.1 2010/10/05    </span>
76 <a name="l00024"></a>00024 <span class="comment">*    Production release and review comments incorporated.   </span>
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78 <a name="l00026"></a>00026 <span class="comment">* Version 1.0.0 2010/09/20    </span>
79 <a name="l00027"></a>00027 <span class="comment">*    Production release and review comments incorporated.   </span>
80 <a name="l00028"></a>00028 <span class="comment">* ------------------------------------------------------------------- */</span>
81 <a name="l00029"></a>00029 
82 <a name="l00030"></a>00030 <span class="preprocessor">#include &quot;<a class="code" href="arm__math_8h.html">arm_math.h</a>&quot;</span>
83 <a name="l00031"></a>00031 
84 <a name="l00044"></a><a class="code" href="group___p_i_d.html#gaeecbacd3fb37c608ec25474d3a0dffa9">00044</a> <span class="keywordtype">void</span> <a class="code" href="group___p_i_d.html#gaeecbacd3fb37c608ec25474d3a0dffa9" title="Reset function for the Q31 PID Control.">arm_pid_reset_q31</a>(
85 <a name="l00045"></a>00045   <a class="code" href="structarm__pid__instance__q31.html" title="Instance structure for the Q31 PID Control.">arm_pid_instance_q31</a> * S)
86 <a name="l00046"></a>00046 {
87 <a name="l00047"></a>00047 
88 <a name="l00048"></a>00048   <span class="comment">/* Clear the state buffer.  The size will be always 3 samples */</span>
89 <a name="l00049"></a>00049   memset(S-&gt;<a class="code" href="structarm__pid__instance__q31.html#a228e4a64da6014844a0a671a1fa391d4">state</a>, 0, 3u * <span class="keyword">sizeof</span>(<a class="code" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0" title="32-bit fractional data type in 1.31 format.">q31_t</a>));
90 <a name="l00050"></a>00050 }
91 <a name="l00051"></a>00051 
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