271 lines
14 KiB
HTML
271 lines
14 KiB
HTML
|
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
|
||
|
<html xmlns="http://www.w3.org/1999/xhtml">
|
||
|
<head>
|
||
|
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
|
||
|
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
|
||
|
<title>arm_cfft_radix2_q31.c File Reference</title>
|
||
|
<title>CMSIS-DSP: arm_cfft_radix2_q31.c File Reference</title>
|
||
|
<link href="tabs.css" rel="stylesheet" type="text/css"/>
|
||
|
<link href="cmsis.css" rel="stylesheet" type="text/css" />
|
||
|
<script type="text/javascript" src="jquery.js"></script>
|
||
|
<script type="text/javascript" src="dynsections.js"></script>
|
||
|
<script type="text/javascript" src="printComponentTabs.js"></script>
|
||
|
<link href="navtree.css" rel="stylesheet" type="text/css"/>
|
||
|
<script type="text/javascript" src="resize.js"></script>
|
||
|
<script type="text/javascript" src="navtree.js"></script>
|
||
|
<script type="text/javascript">
|
||
|
$(document).ready(initResizable);
|
||
|
$(window).load(resizeHeight);
|
||
|
</script>
|
||
|
<link href="search/search.css" rel="stylesheet" type="text/css"/>
|
||
|
<script type="text/javascript" src="search/search.js"></script>
|
||
|
<script type="text/javascript">
|
||
|
$(document).ready(function() { searchBox.OnSelectItem(0); });
|
||
|
</script>
|
||
|
</head>
|
||
|
<body>
|
||
|
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
|
||
|
<div id="titlearea">
|
||
|
<table cellspacing="0" cellpadding="0">
|
||
|
<tbody>
|
||
|
<tr style="height: 46px;">
|
||
|
<td id="projectlogo"><img alt="Logo" src="CMSIS_Logo_Final.png"/></td>
|
||
|
<td style="padding-left: 0.5em;">
|
||
|
<div id="projectname">CMSIS-DSP
|
||
|
 <span id="projectnumber">Version 1.5.1</span>
|
||
|
</div>
|
||
|
<div id="projectbrief">CMSIS DSP Software Library</div>
|
||
|
</td>
|
||
|
</tr>
|
||
|
</tbody>
|
||
|
</table>
|
||
|
</div>
|
||
|
<!-- end header part -->
|
||
|
<div id="CMSISnav" class="tabs1">
|
||
|
<ul class="tablist">
|
||
|
<script type="text/javascript">
|
||
|
<!--
|
||
|
writeComponentTabs.call(this);
|
||
|
//-->
|
||
|
</script>
|
||
|
</ul>
|
||
|
</div>
|
||
|
<!-- Generated by Doxygen 1.8.6 -->
|
||
|
<script type="text/javascript">
|
||
|
var searchBox = new SearchBox("searchBox", "search",false,'Search');
|
||
|
</script>
|
||
|
<div id="navrow1" class="tabs">
|
||
|
<ul class="tablist">
|
||
|
<li><a href="index.html"><span>Main Page</span></a></li>
|
||
|
<li><a href="pages.html"><span>Usage and Description</span></a></li>
|
||
|
<li><a href="modules.html"><span>Reference</span></a></li>
|
||
|
<li>
|
||
|
<div id="MSearchBox" class="MSearchBoxInactive">
|
||
|
<span class="left">
|
||
|
<img id="MSearchSelect" src="search/mag_sel.png"
|
||
|
onmouseover="return searchBox.OnSearchSelectShow()"
|
||
|
onmouseout="return searchBox.OnSearchSelectHide()"
|
||
|
alt=""/>
|
||
|
<input type="text" id="MSearchField" value="Search" accesskey="S"
|
||
|
onfocus="searchBox.OnSearchFieldFocus(true)"
|
||
|
onblur="searchBox.OnSearchFieldFocus(false)"
|
||
|
onkeyup="searchBox.OnSearchFieldChange(event)"/>
|
||
|
</span><span class="right">
|
||
|
<a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a>
|
||
|
</span>
|
||
|
</div>
|
||
|
</li>
|
||
|
</ul>
|
||
|
</div>
|
||
|
</div><!-- top -->
|
||
|
<div id="side-nav" class="ui-resizable side-nav-resizable">
|
||
|
<div id="nav-tree">
|
||
|
<div id="nav-tree-contents">
|
||
|
<div id="nav-sync" class="sync"></div>
|
||
|
</div>
|
||
|
</div>
|
||
|
<div id="splitbar" style="-moz-user-select:none;"
|
||
|
class="ui-resizable-handle">
|
||
|
</div>
|
||
|
</div>
|
||
|
<script type="text/javascript">
|
||
|
$(document).ready(function(){initNavTree('arm__cfft__radix2__q31_8c.html','');});
|
||
|
</script>
|
||
|
<div id="doc-content">
|
||
|
<!-- window showing the filter options -->
|
||
|
<div id="MSearchSelectWindow"
|
||
|
onmouseover="return searchBox.OnSearchSelectShow()"
|
||
|
onmouseout="return searchBox.OnSearchSelectHide()"
|
||
|
onkeydown="return searchBox.OnSearchSelectKey(event)">
|
||
|
<a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark"> </span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark"> </span>Data Structures</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark"> </span>Files</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark"> </span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark"> </span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark"> </span>Typedefs</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(6)"><span class="SelectionMark"> </span>Enumerations</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(7)"><span class="SelectionMark"> </span>Enumerator</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(8)"><span class="SelectionMark"> </span>Macros</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(9)"><span class="SelectionMark"> </span>Groups</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(10)"><span class="SelectionMark"> </span>Pages</a></div>
|
||
|
|
||
|
<!-- iframe showing the search results (closed by default) -->
|
||
|
<div id="MSearchResultsWindow">
|
||
|
<iframe src="javascript:void(0)" frameborder="0"
|
||
|
name="MSearchResults" id="MSearchResults">
|
||
|
</iframe>
|
||
|
</div>
|
||
|
|
||
|
<div class="header">
|
||
|
<div class="summary">
|
||
|
<a href="#func-members">Functions</a> </div>
|
||
|
<div class="headertitle">
|
||
|
<div class="title">arm_cfft_radix2_q31.c File Reference</div> </div>
|
||
|
</div><!--header-->
|
||
|
<div class="contents">
|
||
|
<table class="memberdecls">
|
||
|
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
|
||
|
Functions</h2></td></tr>
|
||
|
<tr class="memitem:a740f4fe69e6148d22fc99f374d304e7e"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__cfft__radix2__q31_8c.html#a740f4fe69e6148d22fc99f374d304e7e">arm_radix2_butterfly_q31</a> (<a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pSrc, uint32_t fftLen, <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pCoef, uint16_t twidCoefModifier)</td></tr>
|
||
|
<tr class="separator:a740f4fe69e6148d22fc99f374d304e7e"><td class="memSeparator" colspan="2"> </td></tr>
|
||
|
<tr class="memitem:a4d665f67080455b95cafec04009fd52d"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__cfft__radix2__q31_8c.html#a4d665f67080455b95cafec04009fd52d">arm_radix2_butterfly_inverse_q31</a> (<a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pSrc, uint32_t fftLen, <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pCoef, uint16_t twidCoefModifier)</td></tr>
|
||
|
<tr class="separator:a4d665f67080455b95cafec04009fd52d"><td class="memSeparator" colspan="2"> </td></tr>
|
||
|
<tr class="memitem:a3fab577d25c3a517973c8c214f66f268"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__cfft__radix2__q31_8c.html#a3fab577d25c3a517973c8c214f66f268">arm_bitreversal_q31</a> (<a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pSrc, uint32_t fftLen, uint16_t bitRevFactor, uint16_t *pBitRevTab)</td></tr>
|
||
|
<tr class="separator:a3fab577d25c3a517973c8c214f66f268"><td class="memSeparator" colspan="2"> </td></tr>
|
||
|
<tr class="memitem:ga6321f703ec87a274aedaab33d3e766b4"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__ComplexFFT.html#ga6321f703ec87a274aedaab33d3e766b4">arm_cfft_radix2_q31</a> (const <a class="el" href="structarm__cfft__radix2__instance__q31.html">arm_cfft_radix2_instance_q31</a> *S, <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pSrc)</td></tr>
|
||
|
<tr class="memdesc:ga6321f703ec87a274aedaab33d3e766b4"><td class="mdescLeft"> </td><td class="mdescRight">Processing function for the fixed-point CFFT/CIFFT. <a href="group__ComplexFFT.html#ga6321f703ec87a274aedaab33d3e766b4">More...</a><br/></td></tr>
|
||
|
<tr class="separator:ga6321f703ec87a274aedaab33d3e766b4"><td class="memSeparator" colspan="2"> </td></tr>
|
||
|
</table>
|
||
|
<h2 class="groupheader">Function Documentation</h2>
|
||
|
<a class="anchor" id="a3fab577d25c3a517973c8c214f66f268"></a>
|
||
|
<div class="memitem">
|
||
|
<div class="memproto">
|
||
|
<table class="memname">
|
||
|
<tr>
|
||
|
<td class="memname">void arm_bitreversal_q31 </td>
|
||
|
<td>(</td>
|
||
|
<td class="paramtype"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> * </td>
|
||
|
<td class="paramname"><em>pSrc</em>, </td>
|
||
|
</tr>
|
||
|
<tr>
|
||
|
<td class="paramkey"></td>
|
||
|
<td></td>
|
||
|
<td class="paramtype">uint32_t </td>
|
||
|
<td class="paramname"><em>fftLen</em>, </td>
|
||
|
</tr>
|
||
|
<tr>
|
||
|
<td class="paramkey"></td>
|
||
|
<td></td>
|
||
|
<td class="paramtype">uint16_t </td>
|
||
|
<td class="paramname"><em>bitRevFactor</em>, </td>
|
||
|
</tr>
|
||
|
<tr>
|
||
|
<td class="paramkey"></td>
|
||
|
<td></td>
|
||
|
<td class="paramtype">uint16_t * </td>
|
||
|
<td class="paramname"><em>pBitRevTab</em> </td>
|
||
|
</tr>
|
||
|
<tr>
|
||
|
<td></td>
|
||
|
<td>)</td>
|
||
|
<td></td><td></td>
|
||
|
</tr>
|
||
|
</table>
|
||
|
</div><div class="memdoc">
|
||
|
|
||
|
<p>Referenced by <a class="el" href="group__ComplexFFT.html#ga6321f703ec87a274aedaab33d3e766b4">arm_cfft_radix2_q31()</a>.</p>
|
||
|
|
||
|
</div>
|
||
|
</div>
|
||
|
<a class="anchor" id="a4d665f67080455b95cafec04009fd52d"></a>
|
||
|
<div class="memitem">
|
||
|
<div class="memproto">
|
||
|
<table class="memname">
|
||
|
<tr>
|
||
|
<td class="memname">void arm_radix2_butterfly_inverse_q31 </td>
|
||
|
<td>(</td>
|
||
|
<td class="paramtype"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> * </td>
|
||
|
<td class="paramname"><em>pSrc</em>, </td>
|
||
|
</tr>
|
||
|
<tr>
|
||
|
<td class="paramkey"></td>
|
||
|
<td></td>
|
||
|
<td class="paramtype">uint32_t </td>
|
||
|
<td class="paramname"><em>fftLen</em>, </td>
|
||
|
</tr>
|
||
|
<tr>
|
||
|
<td class="paramkey"></td>
|
||
|
<td></td>
|
||
|
<td class="paramtype"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> * </td>
|
||
|
<td class="paramname"><em>pCoef</em>, </td>
|
||
|
</tr>
|
||
|
<tr>
|
||
|
<td class="paramkey"></td>
|
||
|
<td></td>
|
||
|
<td class="paramtype">uint16_t </td>
|
||
|
<td class="paramname"><em>twidCoefModifier</em> </td>
|
||
|
</tr>
|
||
|
<tr>
|
||
|
<td></td>
|
||
|
<td>)</td>
|
||
|
<td></td><td></td>
|
||
|
</tr>
|
||
|
</table>
|
||
|
</div><div class="memdoc">
|
||
|
|
||
|
<p>References <a class="el" href="arm__math_8h.html#a960f210642058d2b3d5368729a6e8375">mult_32x32_keep32_R</a>, <a class="el" href="arm__math_8h.html#aba3e538352fc7f9d6d15f9a18d469399">multAcc_32x32_keep32_R</a>, and <a class="el" href="arm__math_8h.html#a668fbf1cd1c3bc8faf1b1c83964ade23">multSub_32x32_keep32_R</a>.</p>
|
||
|
|
||
|
<p>Referenced by <a class="el" href="group__ComplexFFT.html#ga6321f703ec87a274aedaab33d3e766b4">arm_cfft_radix2_q31()</a>.</p>
|
||
|
|
||
|
</div>
|
||
|
</div>
|
||
|
<a class="anchor" id="a740f4fe69e6148d22fc99f374d304e7e"></a>
|
||
|
<div class="memitem">
|
||
|
<div class="memproto">
|
||
|
<table class="memname">
|
||
|
<tr>
|
||
|
<td class="memname">void arm_radix2_butterfly_q31 </td>
|
||
|
<td>(</td>
|
||
|
<td class="paramtype"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> * </td>
|
||
|
<td class="paramname"><em>pSrc</em>, </td>
|
||
|
</tr>
|
||
|
<tr>
|
||
|
<td class="paramkey"></td>
|
||
|
<td></td>
|
||
|
<td class="paramtype">uint32_t </td>
|
||
|
<td class="paramname"><em>fftLen</em>, </td>
|
||
|
</tr>
|
||
|
<tr>
|
||
|
<td class="paramkey"></td>
|
||
|
<td></td>
|
||
|
<td class="paramtype"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> * </td>
|
||
|
<td class="paramname"><em>pCoef</em>, </td>
|
||
|
</tr>
|
||
|
<tr>
|
||
|
<td class="paramkey"></td>
|
||
|
<td></td>
|
||
|
<td class="paramtype">uint16_t </td>
|
||
|
<td class="paramname"><em>twidCoefModifier</em> </td>
|
||
|
</tr>
|
||
|
<tr>
|
||
|
<td></td>
|
||
|
<td>)</td>
|
||
|
<td></td><td></td>
|
||
|
</tr>
|
||
|
</table>
|
||
|
</div><div class="memdoc">
|
||
|
<p>end of ComplexFFT group </p>
|
||
|
|
||
|
<p>References <a class="el" href="arm__math_8h.html#a960f210642058d2b3d5368729a6e8375">mult_32x32_keep32_R</a>, <a class="el" href="arm__math_8h.html#aba3e538352fc7f9d6d15f9a18d469399">multAcc_32x32_keep32_R</a>, and <a class="el" href="arm__math_8h.html#a668fbf1cd1c3bc8faf1b1c83964ade23">multSub_32x32_keep32_R</a>.</p>
|
||
|
|
||
|
<p>Referenced by <a class="el" href="group__ComplexFFT.html#ga6321f703ec87a274aedaab33d3e766b4">arm_cfft_radix2_q31()</a>.</p>
|
||
|
|
||
|
</div>
|
||
|
</div>
|
||
|
</div><!-- contents -->
|
||
|
</div><!-- doc-content -->
|
||
|
<!-- start footer part -->
|
||
|
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
|
||
|
<ul>
|
||
|
<li class="navelem"><a class="el" href="dir_650d82db24a6311fa7658fced19ae149.html">DSP</a></li><li class="navelem"><a class="el" href="dir_cf3b734d050ceea02fbfb06f215bbc8f.html">Source</a></li><li class="navelem"><a class="el" href="dir_f93595924be31e3058e32faa649f9f3e.html">TransformFunctions</a></li><li class="navelem"><a class="el" href="arm__cfft__radix2__q31_8c.html">arm_cfft_radix2_q31.c</a></li>
|
||
|
<li class="footer">Generated on Wed Feb 8 2017 10:20:50 for CMSIS-DSP by ARM Ltd. All rights reserved.
|
||
|
<!--
|
||
|
<a href="http://www.doxygen.org/index.html">
|
||
|
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.6
|
||
|
-->
|
||
|
</li>
|
||
|
</ul>
|
||
|
</div>
|
||
|
</body>
|
||
|
</html>
|