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54 <div class="headertitle">
55 <h1>arm_fir_example_f32.c File Reference</h1> </div>
57 <div class="contents">
58 <code>#include "<a class="el" href="arm__math_8h_source.html">arm_math.h</a>"</code><br/>
59 <code>#include "math_helper.h"</code><br/>
61 <p><a href="arm__fir__example__f32_8c_source.html">Go to the source code of this file.</a></p>
62 <table class="memberdecls">
63 <tr><td colspan="2"><h2><a name="define-members"></a>
64 Defines</h2></td></tr>
65 <tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__fir__example__f32_8c.html#abc004a7fade488e72310fd96c0a101dc">TEST_LENGTH_SAMPLES</a>   320</td></tr>
66 <tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__fir__example__f32_8c.html#af7d1dd4deffa8e7ed6429e5dd0fe1812">SNR_THRESHOLD_F32</a>   140.0f</td></tr>
67 <tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__fir__example__f32_8c.html#ad51ded0bbd705f02f73fc60c0b721ced">BLOCK_SIZE</a>   32</td></tr>
68 <tr><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__fir__example__f32_8c.html#a7579d94e0a80fb9d376ea6c7897f73b0">NUM_TAPS</a>   29</td></tr>
69 <tr><td colspan="2"><h2><a name="func-members"></a>
70 Functions</h2></td></tr>
71 <tr><td class="memItemLeft" align="right" valign="top">int32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__fir__example__f32_8c.html#a52d2cba30e6946c95578be946ac12a65">main</a> (void)</td></tr>
72 <tr><td colspan="2"><h2><a name="var-members"></a>
73 Variables</h2></td></tr>
74 <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__fir__example__f32_8c.html#a35d190391c204b677e2839d76ede6e8b">testInput_f32_1kHz_15kHz</a> [TEST_LENGTH_SAMPLES]</td></tr>
75 <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__fir__example__f32_8c.html#a12d0acaa028f1dcd964d2d188e7df331">refOutput</a> [TEST_LENGTH_SAMPLES]</td></tr>
76 <tr><td class="memItemLeft" align="right" valign="top">static <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__fir__example__f32_8c.html#afd4d61aad5f35a4e42d580004e2f9a1d">testOutput</a> [TEST_LENGTH_SAMPLES]</td></tr>
77 <tr><td class="memItemLeft" align="right" valign="top">static <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__fir__example__f32_8c.html#a46d61cabe5cb207f2776e1d4f8ca0f38">firStateF32</a> [BLOCK_SIZE+NUM_TAPS-1]</td></tr>
78 <tr><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__fir__example__f32_8c.html#ae070afd14f437ad1ae0a947e4403dd0e">firCoeffs32</a> [NUM_TAPS]</td></tr>
79 <tr><td class="memItemLeft" align="right" valign="top">uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a> = BLOCK_SIZE</td></tr>
80 <tr><td class="memItemLeft" align="right" valign="top">uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__fir__example__f32_8c.html#af7d5613bda9a19b2ccae5d6cb79a22bc">numBlocks</a> = TEST_LENGTH_SAMPLES/BLOCK_SIZE</td></tr>
81 <tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__fir__example__f32_8c.html#af06013f588a7003278de222913c9d819">snr</a></td></tr>
83 <hr/><h2>Define Documentation</h2>
84 <a class="anchor" id="abc004a7fade488e72310fd96c0a101dc"></a><!-- doxytag: member="arm_fir_example_f32.c::TEST_LENGTH_SAMPLES" ref="abc004a7fade488e72310fd96c0a101dc" args="" -->
86 <div class="memproto">
87 <table class="memname">
89 <td class="memname">#define TEST_LENGTH_SAMPLES   320</td>
95 <p>Definition at line <a class="el" href="arm__fir__example__f32_8c_source.html#l00116">116</a> of file <a class="el" href="arm__fir__example__f32_8c_source.html">arm_fir_example_f32.c</a>.</p>
99 <a class="anchor" id="af7d1dd4deffa8e7ed6429e5dd0fe1812"></a><!-- doxytag: member="arm_fir_example_f32.c::SNR_THRESHOLD_F32" ref="af7d1dd4deffa8e7ed6429e5dd0fe1812" args="" -->
100 <div class="memitem">
101 <div class="memproto">
102 <table class="memname">
104 <td class="memname">#define SNR_THRESHOLD_F32   140.0f</td>
109 <dl><dt><b>Examples: </b></dt><dd><a class="el" href="arm_fir_example_f32_8c-example.html#a16">arm_fir_example_f32.c</a>, and <a class="el" href="arm_graphic_equalizer_example_q31_8c-example.html#a29">arm_graphic_equalizer_example_q31.c</a>.</dd>
111 <p>Definition at line <a class="el" href="arm__fir__example__f32_8c_source.html#l00117">117</a> of file <a class="el" href="arm__fir__example__f32_8c_source.html">arm_fir_example_f32.c</a>.</p>
115 <a class="anchor" id="ad51ded0bbd705f02f73fc60c0b721ced"></a><!-- doxytag: member="arm_fir_example_f32.c::BLOCK_SIZE" ref="ad51ded0bbd705f02f73fc60c0b721ced" args="" -->
116 <div class="memitem">
117 <div class="memproto">
118 <table class="memname">
120 <td class="memname">#define BLOCK_SIZE   32</td>
125 <dl><dt><b>Examples: </b></dt><dd><a class="el" href="arm_fir_example_f32_8c-example.html#a5">arm_fir_example_f32.c</a>.</dd>
127 <p>Definition at line <a class="el" href="arm__fir__example__f32_8c_source.html#l00118">118</a> of file <a class="el" href="arm__fir__example__f32_8c_source.html">arm_fir_example_f32.c</a>.</p>
131 <a class="anchor" id="a7579d94e0a80fb9d376ea6c7897f73b0"></a><!-- doxytag: member="arm_fir_example_f32.c::NUM_TAPS" ref="a7579d94e0a80fb9d376ea6c7897f73b0" args="" -->
132 <div class="memitem">
133 <div class="memproto">
134 <table class="memname">
136 <td class="memname">#define NUM_TAPS   29</td>
141 <dl><dt><b>Examples: </b></dt><dd><a class="el" href="arm_fir_example_f32_8c-example.html#a6">arm_fir_example_f32.c</a>.</dd>
143 <p>Definition at line <a class="el" href="arm__fir__example__f32_8c_source.html#l00119">119</a> of file <a class="el" href="arm__fir__example__f32_8c_source.html">arm_fir_example_f32.c</a>.</p>
147 <hr/><h2>Function Documentation</h2>
148 <a class="anchor" id="a52d2cba30e6946c95578be946ac12a65"></a><!-- doxytag: member="arm_fir_example_f32.c::main" ref="a52d2cba30e6946c95578be946ac12a65" args="(void)" -->
149 <div class="memitem">
150 <div class="memproto">
151 <table class="memname">
153 <td class="memname">int32_t main </td>
155 <td class="paramtype">void </td>
156 <td class="paramname"> )</td>
163 <p>Definition at line <a class="el" href="arm__fir__example__f32_8c_source.html#l00166">166</a> of file <a class="el" href="arm__fir__example__f32_8c_source.html">arm_fir_example_f32.c</a>.</p>
167 <hr/><h2>Variable Documentation</h2>
168 <a class="anchor" id="a35d190391c204b677e2839d76ede6e8b"></a><!-- doxytag: member="arm_fir_example_f32.c::testInput_f32_1kHz_15kHz" ref="a35d190391c204b677e2839d76ede6e8b" args="[TEST_LENGTH_SAMPLES]" -->
169 <div class="memitem">
170 <div class="memproto">
171 <table class="memname">
173 <td class="memname"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> <a class="el" href="arm__fir__example__f32_8c.html#a35d190391c204b677e2839d76ede6e8b">testInput_f32_1kHz_15kHz</a>[TEST_LENGTH_SAMPLES]</td>
178 <dl><dt><b>Examples: </b></dt><dd><a class="el" href="arm_fir_example_f32_8c-example.html#a0">arm_fir_example_f32.c</a>.</dd>
182 <a class="anchor" id="a12d0acaa028f1dcd964d2d188e7df331"></a><!-- doxytag: member="arm_fir_example_f32.c::refOutput" ref="a12d0acaa028f1dcd964d2d188e7df331" args="[TEST_LENGTH_SAMPLES]" -->
183 <div class="memitem">
184 <div class="memproto">
185 <table class="memname">
187 <td class="memname"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> <a class="el" href="arm__fir__example__f32_8c.html#a12d0acaa028f1dcd964d2d188e7df331">refOutput</a>[TEST_LENGTH_SAMPLES]</td>
192 <dl><dt><b>Examples: </b></dt><dd><a class="el" href="arm_fir_example_f32_8c-example.html#a2">arm_fir_example_f32.c</a>.</dd>
196 <a class="anchor" id="afd4d61aad5f35a4e42d580004e2f9a1d"></a><!-- doxytag: member="arm_fir_example_f32.c::testOutput" ref="afd4d61aad5f35a4e42d580004e2f9a1d" args="[TEST_LENGTH_SAMPLES]" -->
197 <div class="memitem">
198 <div class="memproto">
199 <table class="memname">
201 <td class="memname"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> <a class="el" href="arm__sin__cos__example__f32_8c.html#a324833b61eae796082e07d078a67c34f">testOutput</a>[TEST_LENGTH_SAMPLES]<code> [static]</code></td>
207 <p>Definition at line <a class="el" href="arm__fir__example__f32_8c_source.html#l00133">133</a> of file <a class="el" href="arm__fir__example__f32_8c_source.html">arm_fir_example_f32.c</a>.</p>
211 <a class="anchor" id="a46d61cabe5cb207f2776e1d4f8ca0f38"></a><!-- doxytag: member="arm_fir_example_f32.c::firStateF32" ref="a46d61cabe5cb207f2776e1d4f8ca0f38" args="[BLOCK_SIZE+NUM_TAPS-1]" -->
212 <div class="memitem">
213 <div class="memproto">
214 <table class="memname">
216 <td class="memname"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> <a class="el" href="arm__signal__converge__example__f32_8c.html#a358ec4e79689e6d3787b89fe78bdb772">firStateF32</a>[BLOCK_SIZE+NUM_TAPS-1]<code> [static]</code></td>
222 <p>Definition at line <a class="el" href="arm__fir__example__f32_8c_source.html#l00139">139</a> of file <a class="el" href="arm__fir__example__f32_8c_source.html">arm_fir_example_f32.c</a>.</p>
226 <a class="anchor" id="ae070afd14f437ad1ae0a947e4403dd0e"></a><!-- doxytag: member="arm_fir_example_f32.c::firCoeffs32" ref="ae070afd14f437ad1ae0a947e4403dd0e" args="[NUM_TAPS]" -->
227 <div class="memitem">
228 <div class="memproto">
229 <table class="memname">
231 <td class="memname">const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> <a class="el" href="arm__fir__example__f32_8c.html#ae070afd14f437ad1ae0a947e4403dd0e">firCoeffs32</a>[NUM_TAPS]</td>
236 <b>Initial value:</b><div class="fragment"><pre class="fragment"> {
237 -0.0018225230f, -0.0015879294f, +0.0000000000f, +0.0036977508f, +0.0080754303f, +0.0085302217f, -0.0000000000f, -0.0173976984f,
238 -0.0341458607f, -0.0333591565f, +0.0000000000f, +0.0676308395f, +0.1522061835f, +0.2229246956f, +0.2504960933f, +0.2229246956f,
239 +0.1522061835f, +0.0676308395f, +0.0000000000f, -0.0333591565f, -0.0341458607f, -0.0173976984f, -0.0000000000f, +0.0085302217f,
240 +0.0080754303f, +0.0036977508f, +0.0000000000f, -0.0015879294f, -0.0018225230f
242 </pre></div><dl><dt><b>Examples: </b></dt><dd><a class="el" href="arm_fir_example_f32_8c-example.html#a7">arm_fir_example_f32.c</a>.</dd>
244 <p>Definition at line <a class="el" href="arm__fir__example__f32_8c_source.html#l00146">146</a> of file <a class="el" href="arm__fir__example__f32_8c_source.html">arm_fir_example_f32.c</a>.</p>
248 <a class="anchor" id="ab6558f40a619c2502fbc24c880fd4fb0"></a><!-- doxytag: member="arm_fir_example_f32.c::blockSize" ref="ab6558f40a619c2502fbc24c880fd4fb0" args="" -->
249 <div class="memitem">
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253 <td class="memname">uint32_t <a class="el" href="arm__variance__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a> = BLOCK_SIZE</td>
258 <dl><dt><b>Examples: </b></dt><dd><a class="el" href="arm_fir_example_f32_8c-example.html#a8">arm_fir_example_f32.c</a>, <a class="el" href="arm_signal_converge_example_f32_8c-example.html#a13">arm_signal_converge_example_f32.c</a>, <a class="el" href="arm_sin_cos_example_f32_8c-example.html#a3">arm_sin_cos_example_f32.c</a>, and <a class="el" href="arm_variance_example_f32_8c-example.html#a5">arm_variance_example_f32.c</a>.</dd>
260 <p>Definition at line <a class="el" href="arm__fir__example__f32_8c_source.html#l00157">157</a> of file <a class="el" href="arm__fir__example__f32_8c_source.html">arm_fir_example_f32.c</a>.</p>
264 <a class="anchor" id="af7d5613bda9a19b2ccae5d6cb79a22bc"></a><!-- doxytag: member="arm_fir_example_f32.c::numBlocks" ref="af7d5613bda9a19b2ccae5d6cb79a22bc" args="" -->
265 <div class="memitem">
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269 <td class="memname">uint32_t <a class="el" href="arm__fir__example__f32_8c.html#af7d5613bda9a19b2ccae5d6cb79a22bc">numBlocks</a> = TEST_LENGTH_SAMPLES/BLOCK_SIZE</td>
274 <dl><dt><b>Examples: </b></dt><dd><a class="el" href="arm_fir_example_f32_8c-example.html#a9">arm_fir_example_f32.c</a>.</dd>
276 <p>Definition at line <a class="el" href="arm__fir__example__f32_8c_source.html#l00158">158</a> of file <a class="el" href="arm__fir__example__f32_8c_source.html">arm_fir_example_f32.c</a>.</p>
280 <a class="anchor" id="af06013f588a7003278de222913c9d819"></a><!-- doxytag: member="arm_fir_example_f32.c::snr" ref="af06013f588a7003278de222913c9d819" args="" -->
281 <div class="memitem">
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283 <table class="memname">
285 <td class="memname"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> <a class="el" href="arm__matrix__example__f32_8c.html#af06013f588a7003278de222913c9d819">snr</a></td>
291 <p>Definition at line <a class="el" href="arm__fir__example__f32_8c_source.html#l00160">160</a> of file <a class="el" href="arm__fir__example__f32_8c_source.html">arm_fir_example_f32.c</a>.</p>
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