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<h1>arm_fir_example_f32.c File Reference</h1> </div>
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<code>#include &quot;<a class="el" href="arm__math_8h_source.html">arm_math.h</a>&quot;</code><br/>
<code>#include &quot;math_helper.h&quot;</code><br/>
<p><a href="arm__fir__example__f32_8c_source.html">Go to the source code of this file.</a></p>
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Defines</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="arm__fir__example__f32_8c.html#abc004a7fade488e72310fd96c0a101dc">TEST_LENGTH_SAMPLES</a>&#160;&#160;&#160;320</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="arm__fir__example__f32_8c.html#af7d1dd4deffa8e7ed6429e5dd0fe1812">SNR_THRESHOLD_F32</a>&#160;&#160;&#160;140.0f</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="arm__fir__example__f32_8c.html#ad51ded0bbd705f02f73fc60c0b721ced">BLOCK_SIZE</a>&#160;&#160;&#160;32</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">#define&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="arm__fir__example__f32_8c.html#a7579d94e0a80fb9d376ea6c7897f73b0">NUM_TAPS</a>&#160;&#160;&#160;29</td></tr>
<tr><td colspan="2"><h2><a name="func-members"></a>
Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="arm__fir__example__f32_8c.html#a52d2cba30e6946c95578be946ac12a65">main</a> (void)</td></tr>
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Variables</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a>&#160;</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>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="arm__fir__example__f32_8c.html#a12d0acaa028f1dcd964d2d188e7df331">refOutput</a> [TEST_LENGTH_SAMPLES]</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">static <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="arm__fir__example__f32_8c.html#afd4d61aad5f35a4e42d580004e2f9a1d">testOutput</a> [TEST_LENGTH_SAMPLES]</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">static <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a>&#160;</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>
<tr><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="arm__fir__example__f32_8c.html#ae070afd14f437ad1ae0a947e4403dd0e">firCoeffs32</a> [NUM_TAPS]</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a> = BLOCK_SIZE</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</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>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="arm__fir__example__f32_8c.html#af06013f588a7003278de222913c9d819">snr</a></td></tr>
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<hr/><h2>Define Documentation</h2>
<a class="anchor" id="abc004a7fade488e72310fd96c0a101dc"></a><!-- doxytag: member="arm_fir_example_f32.c::TEST_LENGTH_SAMPLES" ref="abc004a7fade488e72310fd96c0a101dc" args="" -->
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<td class="memname">#define TEST_LENGTH_SAMPLES&#160;&#160;&#160;320</td>
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<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>
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<a class="anchor" id="af7d1dd4deffa8e7ed6429e5dd0fe1812"></a><!-- doxytag: member="arm_fir_example_f32.c::SNR_THRESHOLD_F32" ref="af7d1dd4deffa8e7ed6429e5dd0fe1812" args="" -->
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<td class="memname">#define SNR_THRESHOLD_F32&#160;&#160;&#160;140.0f</td>
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<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>
</dl>
<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>
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<a class="anchor" id="ad51ded0bbd705f02f73fc60c0b721ced"></a><!-- doxytag: member="arm_fir_example_f32.c::BLOCK_SIZE" ref="ad51ded0bbd705f02f73fc60c0b721ced" args="" -->
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<td class="memname">#define BLOCK_SIZE&#160;&#160;&#160;32</td>
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<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>
</dl>
<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>
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<a class="anchor" id="a7579d94e0a80fb9d376ea6c7897f73b0"></a><!-- doxytag: member="arm_fir_example_f32.c::NUM_TAPS" ref="a7579d94e0a80fb9d376ea6c7897f73b0" args="" -->
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<td class="memname">#define NUM_TAPS&#160;&#160;&#160;29</td>
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<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>
</dl>
<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>
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</div>
<hr/><h2>Function Documentation</h2>
<a class="anchor" id="a52d2cba30e6946c95578be946ac12a65"></a><!-- doxytag: member="arm_fir_example_f32.c::main" ref="a52d2cba30e6946c95578be946ac12a65" args="(void)" -->
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<td class="memname">int32_t main </td>
<td>(</td>
<td class="paramtype">void&#160;</td>
<td class="paramname">&#160;)</td>
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<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>
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<hr/><h2>Variable Documentation</h2>
<a class="anchor" id="a35d190391c204b677e2839d76ede6e8b"></a><!-- doxytag: member="arm_fir_example_f32.c::testInput_f32_1kHz_15kHz" ref="a35d190391c204b677e2839d76ede6e8b" args="[TEST_LENGTH_SAMPLES]" -->
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<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>
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<div class="memdoc">
<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>
</dl>
</div>
</div>
<a class="anchor" id="a12d0acaa028f1dcd964d2d188e7df331"></a><!-- doxytag: member="arm_fir_example_f32.c::refOutput" ref="a12d0acaa028f1dcd964d2d188e7df331" args="[TEST_LENGTH_SAMPLES]" -->
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<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>
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<div class="memdoc">
<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>
</dl>
</div>
</div>
<a class="anchor" id="afd4d61aad5f35a4e42d580004e2f9a1d"></a><!-- doxytag: member="arm_fir_example_f32.c::testOutput" ref="afd4d61aad5f35a4e42d580004e2f9a1d" args="[TEST_LENGTH_SAMPLES]" -->
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<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>
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<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>
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<a class="anchor" id="a46d61cabe5cb207f2776e1d4f8ca0f38"></a><!-- doxytag: member="arm_fir_example_f32.c::firStateF32" ref="a46d61cabe5cb207f2776e1d4f8ca0f38" args="[BLOCK_SIZE+NUM_TAPS&#45;1]" -->
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<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>
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<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>
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<a class="anchor" id="ae070afd14f437ad1ae0a947e4403dd0e"></a><!-- doxytag: member="arm_fir_example_f32.c::firCoeffs32" ref="ae070afd14f437ad1ae0a947e4403dd0e" args="[NUM_TAPS]" -->
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<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>
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<b>Initial value:</b><div class="fragment"><pre class="fragment"> {
-0.0018225230f, -0.0015879294f, +0.0000000000f, +0.0036977508f, +0.0080754303f, +0.0085302217f, -0.0000000000f, -0.0173976984f,
-0.0341458607f, -0.0333591565f, +0.0000000000f, +0.0676308395f, +0.1522061835f, +0.2229246956f, +0.2504960933f, +0.2229246956f,
+0.1522061835f, +0.0676308395f, +0.0000000000f, -0.0333591565f, -0.0341458607f, -0.0173976984f, -0.0000000000f, +0.0085302217f,
+0.0080754303f, +0.0036977508f, +0.0000000000f, -0.0015879294f, -0.0018225230f
}
</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>
</dl>
<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>
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<a class="anchor" id="ab6558f40a619c2502fbc24c880fd4fb0"></a><!-- doxytag: member="arm_fir_example_f32.c::blockSize" ref="ab6558f40a619c2502fbc24c880fd4fb0" args="" -->
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<td class="memname">uint32_t <a class="el" href="arm__variance__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a> = BLOCK_SIZE</td>
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<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>
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<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>
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<a class="anchor" id="af7d5613bda9a19b2ccae5d6cb79a22bc"></a><!-- doxytag: member="arm_fir_example_f32.c::numBlocks" ref="af7d5613bda9a19b2ccae5d6cb79a22bc" args="" -->
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<td class="memname">uint32_t <a class="el" href="arm__fir__example__f32_8c.html#af7d5613bda9a19b2ccae5d6cb79a22bc">numBlocks</a> = TEST_LENGTH_SAMPLES/BLOCK_SIZE</td>
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<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>
</dl>
<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>
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<a class="anchor" id="af06013f588a7003278de222913c9d819"></a><!-- doxytag: member="arm_fir_example_f32.c::snr" ref="af06013f588a7003278de222913c9d819" args="" -->
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<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>
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<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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<hr class="footer"/><address class="footer"><small>Generated on Fri Jul 15 2011 13:16:18 for CMSIS DSP Software Library by&#160;
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