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  52   <div class="headertitle">
  53 <h1>arm_lms_norm_instance_q15 Struct Reference</h1>  </div>
  54 </div>
  55 <div class="contents">
  56 <!-- doxytag: class="arm_lms_norm_instance_q15" -->
  57 <p>Instance structure for the Q15 normalized LMS filter.
  58 <a href="#_details">More...</a></p>
  59
  60 <p><code>#include &lt;<a class="el" href="arm__math_8h_source.html">arm_math.h</a>&gt;</code></p>
  61 <table class="memberdecls">
  62 <tr><td colspan="2"><h2><a name="pub-attribs"></a>
  63 Data Fields</h2></td></tr>
  64 <tr><td class="memItemLeft" align="right" valign="top">uint16_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__lms__norm__instance__q15.html#a9ee7a45f4f315d7996a969e25fdc7146">numTaps</a></td></tr>
  65 <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__lms__norm__instance__q15.html#aa4de490b3bdbd03561b76ee07901c8e3">pState</a></td></tr>
  66 <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__lms__norm__instance__q15.html#ae7bca648c75a2ffa02d87852bb78bc8a">pCoeffs</a></td></tr>
  67 <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__lms__norm__instance__q15.html#a7ce00f21d11cfda6d963240641deea8c">mu</a></td></tr>
  68 <tr><td class="memItemLeft" align="right" valign="top">uint8_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__lms__norm__instance__q15.html#aa0d435fbcf7dedb7179d4467e9b79e9f">postShift</a></td></tr>
  69 <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__lms__norm__instance__q15.html#a9aabb0e4c79f3db807e7a441fa36f5f8">recipTable</a></td></tr>
  70 <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__lms__norm__instance__q15.html#a1c81ded399919d8181026bc1c8602e7b">energy</a></td></tr>
  71 <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__lms__norm__instance__q15.html#a3fc1d6f97d2c6d5324871de6895cb7e9">x0</a></td></tr>
  72 </table>
  73 <hr/><a name="_details"></a><h2>Detailed Description</h2>
  74 <p>Instance structure for the Q15 normalized LMS filter. </p>
  75
  76 <p>Definition at line <a class="el" href="arm__math_8h_source.html#l04161">4161</a> of file <a class="el" href="arm__math_8h_source.html">arm_math.h</a>.</p>
  77 <hr/><h2>Field Documentation</h2>
  78 <a class="anchor" id="a9ee7a45f4f315d7996a969e25fdc7146"></a><!-- doxytag: member="arm_lms_norm_instance_q15::numTaps" ref="a9ee7a45f4f315d7996a969e25fdc7146" args="" -->
  79 <div class="memitem">
  80 <div class="memproto">
  81       <table class="memname">
  82         <tr>
  83           <td class="memname">uint16_t <a class="el" href="structarm__lms__norm__instance__q15.html#a9ee7a45f4f315d7996a969e25fdc7146">arm_lms_norm_instance_q15::numTaps</a></td>
  84         </tr>
  85       </table>
  86 </div>
  87 <div class="memdoc">
  88 <p>Number of coefficients in the filter. </p>
  89
  90 <p>Definition at line <a class="el" href="arm__math_8h_source.html#l04163">4163</a> of file <a class="el" href="arm__math_8h_source.html">arm_math.h</a>.</p>
  91
  92 </div>
  93 </div>
  94 <a class="anchor" id="aa4de490b3bdbd03561b76ee07901c8e3"></a><!-- doxytag: member="arm_lms_norm_instance_q15::pState" ref="aa4de490b3bdbd03561b76ee07901c8e3" args="" -->
  95 <div class="memitem">
  96 <div class="memproto">
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  98         <tr>
  99           <td class="memname"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a>* <a class="el" href="structarm__lms__norm__instance__q15.html#aa4de490b3bdbd03561b76ee07901c8e3">arm_lms_norm_instance_q15::pState</a></td>
 100         </tr>
 101       </table>
 102 </div>
 103 <div class="memdoc">
 104 <p>points to the state variable array. The array is of length numTaps+blockSize-1. </p>
 105
 106 <p>Definition at line <a class="el" href="arm__math_8h_source.html#l04164">4164</a> of file <a class="el" href="arm__math_8h_source.html">arm_math.h</a>.</p>
 107
 108 </div>
 109 </div>
 110 <a class="anchor" id="ae7bca648c75a2ffa02d87852bb78bc8a"></a><!-- doxytag: member="arm_lms_norm_instance_q15::pCoeffs" ref="ae7bca648c75a2ffa02d87852bb78bc8a" args="" -->
 111 <div class="memitem">
 112 <div class="memproto">
 113       <table class="memname">
 114         <tr>
 115           <td class="memname"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a>* <a class="el" href="structarm__lms__norm__instance__q15.html#ae7bca648c75a2ffa02d87852bb78bc8a">arm_lms_norm_instance_q15::pCoeffs</a></td>
 116         </tr>
 117       </table>
 118 </div>
 119 <div class="memdoc">
 120 <p>points to the coefficient array. The array is of length numTaps. </p>
 121
 122 <p>Definition at line <a class="el" href="arm__math_8h_source.html#l04165">4165</a> of file <a class="el" href="arm__math_8h_source.html">arm_math.h</a>.</p>
 123
 124 </div>
 125 </div>
 126 <a class="anchor" id="a7ce00f21d11cfda6d963240641deea8c"></a><!-- doxytag: member="arm_lms_norm_instance_q15::mu" ref="a7ce00f21d11cfda6d963240641deea8c" args="" -->
 127 <div class="memitem">
 128 <div class="memproto">
 129       <table class="memname">
 130         <tr>
 131           <td class="memname"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> <a class="el" href="structarm__lms__norm__instance__q15.html#a7ce00f21d11cfda6d963240641deea8c">arm_lms_norm_instance_q15::mu</a></td>
 132         </tr>
 133       </table>
 134 </div>
 135 <div class="memdoc">
 136 <p>step size that controls filter coefficient updates. </p>
 137
 138 <p>Definition at line <a class="el" href="arm__math_8h_source.html#l04166">4166</a> of file <a class="el" href="arm__math_8h_source.html">arm_math.h</a>.</p>
 139
 140 </div>
 141 </div>
 142 <a class="anchor" id="aa0d435fbcf7dedb7179d4467e9b79e9f"></a><!-- doxytag: member="arm_lms_norm_instance_q15::postShift" ref="aa0d435fbcf7dedb7179d4467e9b79e9f" args="" -->
 143 <div class="memitem">
 144 <div class="memproto">
 145       <table class="memname">
 146         <tr>
 147           <td class="memname">uint8_t <a class="el" href="structarm__lms__norm__instance__q15.html#aa0d435fbcf7dedb7179d4467e9b79e9f">arm_lms_norm_instance_q15::postShift</a></td>
 148         </tr>
 149       </table>
 150 </div>
 151 <div class="memdoc">
 152 <p>bit shift applied to coefficients. </p>
 153
 154 <p>Definition at line <a class="el" href="arm__math_8h_source.html#l04167">4167</a> of file <a class="el" href="arm__math_8h_source.html">arm_math.h</a>.</p>
 155
 156 </div>
 157 </div>
 158 <a class="anchor" id="a9aabb0e4c79f3db807e7a441fa36f5f8"></a><!-- doxytag: member="arm_lms_norm_instance_q15::recipTable" ref="a9aabb0e4c79f3db807e7a441fa36f5f8" args="" -->
 159 <div class="memitem">
 160 <div class="memproto">
 161       <table class="memname">
 162         <tr>
 163           <td class="memname"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a>* <a class="el" href="structarm__lms__norm__instance__q15.html#a9aabb0e4c79f3db807e7a441fa36f5f8">arm_lms_norm_instance_q15::recipTable</a></td>
 164         </tr>
 165       </table>
 166 </div>
 167 <div class="memdoc">
 168 <p>Points to the reciprocal initial value table. </p>
 169
 170 <p>Definition at line <a class="el" href="arm__math_8h_source.html#l04168">4168</a> of file <a class="el" href="arm__math_8h_source.html">arm_math.h</a>.</p>
 171
 172 </div>
 173 </div>
 174 <a class="anchor" id="a1c81ded399919d8181026bc1c8602e7b"></a><!-- doxytag: member="arm_lms_norm_instance_q15::energy" ref="a1c81ded399919d8181026bc1c8602e7b" args="" -->
 175 <div class="memitem">
 176 <div class="memproto">
 177       <table class="memname">
 178         <tr>
 179           <td class="memname"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> <a class="el" href="structarm__lms__norm__instance__q15.html#a1c81ded399919d8181026bc1c8602e7b">arm_lms_norm_instance_q15::energy</a></td>
 180         </tr>
 181       </table>
 182 </div>
 183 <div class="memdoc">
 184 <p>saves previous frame energy. </p>
 185
 186 <p>Definition at line <a class="el" href="arm__math_8h_source.html#l04169">4169</a> of file <a class="el" href="arm__math_8h_source.html">arm_math.h</a>.</p>
 187
 188 </div>
 189 </div>
 190 <a class="anchor" id="a3fc1d6f97d2c6d5324871de6895cb7e9"></a><!-- doxytag: member="arm_lms_norm_instance_q15::x0" ref="a3fc1d6f97d2c6d5324871de6895cb7e9" args="" -->
 191 <div class="memitem">
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 195           <td class="memname"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> <a class="el" href="structarm__lms__norm__instance__q15.html#a3fc1d6f97d2c6d5324871de6895cb7e9">arm_lms_norm_instance_q15::x0</a></td>
 196         </tr>
 197       </table>
 198 </div>
 199 <div class="memdoc">
 200 <p>saves previous input sample. </p>
 201
 202 <p>Definition at line <a class="el" href="arm__math_8h_source.html#l04170">4170</a> of file <a class="el" href="arm__math_8h_source.html">arm_math.h</a>.</p>
 203
 204 </div>
 205 </div>
 206 <hr/>The documentation for this struct was generated from the following file:<ul>
 207 <li><a class="el" href="arm__math_8h_source.html">arm_math.h</a></li>
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