首頁 探索 說明
註冊 登入
stm32
/
armfly-bootloader
2
0
複刻 0
檔案 問題管理 0 合併請求 0 Wiki
目錄樹: 085cbfe60d
分支列表 標籤列表
armfly-bootload...
/
Libraries
/
CMSIS
/
Documentation
/
DSP
/
html
/
arm__cfft__radix2__q31_8c.html

arm__cfft__radix2__q31_8c.html 14 KB
文件歷史 原始文件

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268 
  1. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    2. 

  2. <html xmlns="http://www.w3.org/1999/xhtml">
    3. 

  3. <head>
    4. 

  4. <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
    5. 

  5. <meta http-equiv="X-UA-Compatible" content="IE=9"/>
    6. 

  6. <title>CMSIS-DSP: arm_cfft_radix2_q31.c File Reference</title>
    7. 

  7. <link href="tabs.css" rel="stylesheet" type="text/css"/>
    8. 

  8. <link href="cmsis.css" rel="stylesheet" type="text/css" />
    9. 

  9. <script type="text/javascript" src="jquery.js"></script>
    10. 

  10. <script type="text/javascript" src="dynsections.js"></script>
    11. 

  11. <link href="navtree.css" rel="stylesheet" type="text/css"/>
    12. 

  12. <script type="text/javascript" src="resize.js"></script>
    13. 

  13. <script type="text/javascript" src="navtree.js"></script>
    14. 

  14. <script type="text/javascript">
    15. 

  15.   $(document).ready(initResizable);
    16. 

  16. </script>
    17. 

  17. <link href="search/search.css" rel="stylesheet" type="text/css"/>
    18. 

  18. <script type="text/javascript" src="search/search.js"></script>
    19. 

  19. <script type="text/javascript">
    20. 

  20.   $(document).ready(function() { searchBox.OnSelectItem(0); });
    21. 

  21. </script>
    22. 

  22. <link href="stylsheetf" rel="stylesheet" type="text/css" />
    23. 

  23. </head>
    24. 

  24. <body>
    25. 

  25. <div id="top"><!-- do not remove this div, it is closed by doxygen! -->
    26. 

  26. <div id="titlearea">
    27. 

  27. <table cellspacing="0" cellpadding="0">
    28. 

  28.  <tbody>
    29. 

  29.  <tr style="height: 46px;">
    30. 

  30.   <td id="projectlogo"><img alt="Logo" src="CMSIS_Logo_Final.png"/></td>
    31. 

  31.   <td style="padding-left: 0.5em;">
    32. 

  32.    <div id="projectname">CMSIS-DSP
    33. 

  33.    &#160;<span id="projectnumber">Version 1.4.4</span>
    34. 

  34.    </div>
    35. 

  35.    <div id="projectbrief">CMSIS DSP Software Library</div>
    36. 

  36.   </td>
    37. 

  37.  </tr>
    38. 

  38.  </tbody>
    39. 

  39. </table>
    40. 

  40. </div>
    41. 

  41. <!-- end header part -->
    42. 

  42. <div id="CMSISnav" class="tabs1">
    43. 

  43.     <ul class="tablist">
    44. 

  44.       <li><a href="../../General/html/index.html"><span>CMSIS</span></a></li>
    45. 

  45.       <li><a href="../../Core/html/index.html"><span>CORE</span></a></li>
    46. 

  46.       <li><a href="../../Driver/html/index.html"><span>Driver</span></a></li>
    47. 

  47.       <li class="current"><a href="../../DSP/html/index.html"><span>DSP</span></a></li>
    48. 

  48.       <li><a href="../../RTOS/html/index.html"><span>RTOS API</span></a></li>
    49. 

  49.       <li><a href="../../Pack/html/index.html"><span>Pack</span></a></li>
    50. 

  50.       <li><a href="../../SVD/html/index.html"><span>SVD</span></a></li>
    51. 

  51.     </ul>
    52. 

  52. </div>
    53. 

  53. <!-- Generated by Doxygen 1.8.2 -->
    54. 

  54. <script type="text/javascript">
    55. 

  55. var searchBox = new SearchBox("searchBox", "search",false,'Search');
    56. 

  56. </script>
    57. 

  57.   <div id="navrow1" class="tabs">
    58. 

  58.     <ul class="tablist">
    59. 

  59.       <li><a href="index.html"><span>Main&#160;Page</span></a></li>
    60. 

  60.       <li><a href="pages.html"><span>Usage&#160;and&#160;Description</span></a></li>
    61. 

  61.       <li><a href="modules.html"><span>Reference</span></a></li>
    62. 

  62.       <li>
    63. 

  63.         <div id="MSearchBox" class="MSearchBoxInactive">
    64. 

  64.         <span class="left">
    65. 

  65.           <img id="MSearchSelect" src="search/mag_sel.png"
    66. 

  66.                onmouseover="return searchBox.OnSearchSelectShow()"
    67. 

  67.                onmouseout="return searchBox.OnSearchSelectHide()"
    68. 

  68.                alt=""/>
    69. 

  69.           <input type="text" id="MSearchField" value="Search" accesskey="S"
    70. 

  70.                onfocus="searchBox.OnSearchFieldFocus(true)" 
    71. 

  71.                onblur="searchBox.OnSearchFieldFocus(false)" 
    72. 

  72.                onkeyup="searchBox.OnSearchFieldChange(event)"/>
    73. 

  73.           </span><span class="right">
    74. 

  74.             <a id="MSearchClose" href="javascript:searchBox.CloseResultsWindow()"><img id="MSearchCloseImg" border="0" src="search/close.png" alt=""/></a>
    75. 

  75.           </span>
    76. 

  76.         </div>
    77. 

  77.       </li>
    78. 

  78.     </ul>
    79. 

  79.   </div>
    80. 

  80. </div><!-- top -->
    81. 

  81. <div id="side-nav" class="ui-resizable side-nav-resizable">
    82. 

  82.   <div id="nav-tree">
    83. 

  83.     <div id="nav-tree-contents">
    84. 

  84.       <div id="nav-sync" class="sync"></div>
    85. 

  85.     </div>
    86. 

  86.   </div>
    87. 

  87.   <div id="splitbar" style="-moz-user-select:none;" 
    88. 

  88.        class="ui-resizable-handle">
    89. 

  89.   </div>
    90. 

  90. </div>
    91. 

  91. <script type="text/javascript">
    92. 

  92. $(document).ready(function(){initNavTree('arm__cfft__radix2__q31_8c.html','');});
    93. 

  93. </script>
    94. 

  94. <div id="doc-content">
    95. 

  95. <!-- window showing the filter options -->
    96. 

  96. <div id="MSearchSelectWindow"
    97. 

  97.      onmouseover="return searchBox.OnSearchSelectShow()"
    98. 

  98.      onmouseout="return searchBox.OnSearchSelectHide()"
    99. 

  99.      onkeydown="return searchBox.OnSearchSelectKey(event)">
    100. 

  100. <a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(0)"><span class="SelectionMark">&#160;</span>All</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(1)"><span class="SelectionMark">&#160;</span>Data Structures</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(2)"><span class="SelectionMark">&#160;</span>Files</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(3)"><span class="SelectionMark">&#160;</span>Functions</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(4)"><span class="SelectionMark">&#160;</span>Variables</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(5)"><span class="SelectionMark">&#160;</span>Typedefs</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(6)"><span class="SelectionMark">&#160;</span>Enumerations</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(7)"><span class="SelectionMark">&#160;</span>Enumerator</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(8)"><span class="SelectionMark">&#160;</span>Macros</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(9)"><span class="SelectionMark">&#160;</span>Groups</a><a class="SelectItem" href="javascript:void(0)" onclick="searchBox.OnSelectItem(10)"><span class="SelectionMark">&#160;</span>Pages</a></div>
    101. 

  101. 

  102. <!-- iframe showing the search results (closed by default) -->
    103. 

  103. <div id="MSearchResultsWindow">
    104. 

  104. <iframe src="javascript:void(0)" frameborder="0" 
    105. 

  105.         name="MSearchResults" id="MSearchResults">
    106. 

  106. </iframe>
    107. 

  107. </div>
    108. 

  108. 

  109. <div class="header">
    110. 

  110.   <div class="summary">
    111. 

  111. <a href="#func-members">Functions</a>  </div>
    112. 

  112.   <div class="headertitle">
    113. 

  113. <div class="title">arm_cfft_radix2_q31.c File Reference</div>  </div>
    114. 

  114. </div><!--header-->
    115. 

  115. <div class="contents">
    116. 

  116. <table class="memberdecls">
    117. 

  117. <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
    118. 

  118. Functions</h2></td></tr>
    119. 

  119. <tr class="memitem:a740f4fe69e6148d22fc99f374d304e7e"><td class="memItemLeft" align="right" valign="top">void&#160;</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>
    120. 

  120. <tr class="separator:a740f4fe69e6148d22fc99f374d304e7e"><td class="memSeparator" colspan="2">&#160;</td></tr>
    121. 

  121. <tr class="memitem:a4d665f67080455b95cafec04009fd52d"><td class="memItemLeft" align="right" valign="top">void&#160;</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>
    122. 

  122. <tr class="separator:a4d665f67080455b95cafec04009fd52d"><td class="memSeparator" colspan="2">&#160;</td></tr>
    123. 

  123. <tr class="memitem:a3fab577d25c3a517973c8c214f66f268"><td class="memItemLeft" align="right" valign="top">void&#160;</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>
    124. 

  124. <tr class="separator:a3fab577d25c3a517973c8c214f66f268"><td class="memSeparator" colspan="2">&#160;</td></tr>
    125. 

  125. <tr class="memitem:ga6321f703ec87a274aedaab33d3e766b4"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___complex_f_f_t.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>
    126. 

  126. <tr class="memdesc:ga6321f703ec87a274aedaab33d3e766b4"><td class="mdescLeft">&#160;</td><td class="mdescRight">Processing function for the fixed-point CFFT/CIFFT.  <a href="group___complex_f_f_t.html#ga6321f703ec87a274aedaab33d3e766b4"></a><br/></td></tr>
    127. 

  127. <tr class="separator:ga6321f703ec87a274aedaab33d3e766b4"><td class="memSeparator" colspan="2">&#160;</td></tr>
    128. 

  128. </table>
    129. 

  129. <h2 class="groupheader">Function Documentation</h2>
    130. 

  130. <a class="anchor" id="a3fab577d25c3a517973c8c214f66f268"></a>
    131. 

  131. <div class="memitem">
    132. 

  132. <div class="memproto">
    133. 

  133.       <table class="memname">
    134. 

  134.         <tr>
    135. 

  135.           <td class="memname">void arm_bitreversal_q31 </td>
    136. 

  136.           <td>(</td>
    137. 

  137.           <td class="paramtype"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *&#160;</td>
    138. 

  138.           <td class="paramname"><em>pSrc</em>, </td>
    139. 

  139.         </tr>
    140. 

  140.         <tr>
    141. 

  141.           <td class="paramkey"></td>
    142. 

  142.           <td></td>
    143. 

  143.           <td class="paramtype">uint32_t&#160;</td>
    144. 

  144.           <td class="paramname"><em>fftLen</em>, </td>
    145. 

  145.         </tr>
    146. 

  146.         <tr>
    147. 

  147.           <td class="paramkey"></td>
    148. 

  148.           <td></td>
    149. 

  149.           <td class="paramtype">uint16_t&#160;</td>
    150. 

  150.           <td class="paramname"><em>bitRevFactor</em>, </td>
    151. 

  151.         </tr>
    152. 

  152.         <tr>
    153. 

  153.           <td class="paramkey"></td>
    154. 

  154.           <td></td>
    155. 

  155.           <td class="paramtype">uint16_t *&#160;</td>
    156. 

  156.           <td class="paramname"><em>pBitRevTab</em>&#160;</td>
    157. 

  157.         </tr>
    158. 

  158.         <tr>
    159. 

  159.           <td></td>
    160. 

  160.           <td>)</td>
    161. 

  161.           <td></td><td></td>
    162. 

  162.         </tr>
    163. 

  163.       </table>
    164. 

  164. </div><div class="memdoc">
    165. 

  165. 

  166. </div>
    167. 

  167. </div>
    168. 

  168. <a class="anchor" id="a4d665f67080455b95cafec04009fd52d"></a>
    169. 

  169. <div class="memitem">
    170. 

  170. <div class="memproto">
    171. 

  171.       <table class="memname">
    172. 

  172.         <tr>
    173. 

  173.           <td class="memname">void arm_radix2_butterfly_inverse_q31 </td>
    174. 

  174.           <td>(</td>
    175. 

  175.           <td class="paramtype"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *&#160;</td>
    176. 

  176.           <td class="paramname"><em>pSrc</em>, </td>
    177. 

  177.         </tr>
    178. 

  178.         <tr>
    179. 

  179.           <td class="paramkey"></td>
    180. 

  180.           <td></td>
    181. 

  181.           <td class="paramtype">uint32_t&#160;</td>
    182. 

  182.           <td class="paramname"><em>fftLen</em>, </td>
    183. 

  183.         </tr>
    184. 

  184.         <tr>
    185. 

  185.           <td class="paramkey"></td>
    186. 

  186.           <td></td>
    187. 

  187.           <td class="paramtype"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *&#160;</td>
    188. 

  188.           <td class="paramname"><em>pCoef</em>, </td>
    189. 

  189.         </tr>
    190. 

  190.         <tr>
    191. 

  191.           <td class="paramkey"></td>
    192. 

  192.           <td></td>
    193. 

  193.           <td class="paramtype">uint16_t&#160;</td>
    194. 

  194.           <td class="paramname"><em>twidCoefModifier</em>&#160;</td>
    195. 

  195.         </tr>
    196. 

  196.         <tr>
    197. 

  197.           <td></td>
    198. 

  198.           <td>)</td>
    199. 

  199.           <td></td><td></td>
    200. 

  200.         </tr>
    201. 

  201.       </table>
    202. 

  202. </div><div class="memdoc">
    203. 

  203. 

  204. <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>
    205. 

  205. 

  206. <p>Referenced by <a class="el" href="group___complex_f_f_t.html#ga6321f703ec87a274aedaab33d3e766b4">arm_cfft_radix2_q31()</a>.</p>
    207. 

  207. 

  208. </div>
    209. 

  209. </div>
    210. 

  210. <a class="anchor" id="a740f4fe69e6148d22fc99f374d304e7e"></a>
    211. 

  211. <div class="memitem">
    212. 

  212. <div class="memproto">
    213. 

  213.       <table class="memname">
    214. 

  214.         <tr>
    215. 

  215.           <td class="memname">void arm_radix2_butterfly_q31 </td>
    216. 

  216.           <td>(</td>
    217. 

  217.           <td class="paramtype"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *&#160;</td>
    218. 

  218.           <td class="paramname"><em>pSrc</em>, </td>
    219. 

  219.         </tr>
    220. 

  220.         <tr>
    221. 

  221.           <td class="paramkey"></td>
    222. 

  222.           <td></td>
    223. 

  223.           <td class="paramtype">uint32_t&#160;</td>
    224. 

  224.           <td class="paramname"><em>fftLen</em>, </td>
    225. 

  225.         </tr>
    226. 

  226.         <tr>
    227. 

  227.           <td class="paramkey"></td>
    228. 

  228.           <td></td>
    229. 

  229.           <td class="paramtype"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *&#160;</td>
    230. 

  230.           <td class="paramname"><em>pCoef</em>, </td>
    231. 

  231.         </tr>
    232. 

  232.         <tr>
    233. 

  233.           <td class="paramkey"></td>
    234. 

  234.           <td></td>
    235. 

  235.           <td class="paramtype">uint16_t&#160;</td>
    236. 

  236.           <td class="paramname"><em>twidCoefModifier</em>&#160;</td>
    237. 

  237.         </tr>
    238. 

  238.         <tr>
    239. 

  239.           <td></td>
    240. 

  240.           <td>)</td>
    241. 

  241.           <td></td><td></td>
    242. 

  242.         </tr>
    243. 

  243.       </table>
    244. 

  244. </div><div class="memdoc">
    245. 

  245. <p>end of ComplexFFT group </p>
    246. 

  246. 

  247. <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>
    248. 

  248. 

  249. <p>Referenced by <a class="el" href="group___complex_f_f_t.html#ga6321f703ec87a274aedaab33d3e766b4">arm_cfft_radix2_q31()</a>.</p>
    250. 

  250. 

  251. </div>
    252. 

  252. </div>
    253. 

  253. </div><!-- contents -->
    254. 

  254. </div><!-- doc-content -->
    255. 

  255. <!-- start footer part -->
    256. 

  256. <div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
    257. 

  257.   <ul>
    258. 

  258.     <li class="navelem"><a class="el" href="dir_be2d3df67661aefe0e3f0071a1d6f8f1.html">DSP_Lib</a></li><li class="navelem"><a class="el" href="dir_7e8aa87db1ad6b3d9b1f25792e7c5208.html">Source</a></li><li class="navelem"><a class="el" href="dir_9c857f0e41082f634e50072d001e0d4f.html">TransformFunctions</a></li><li class="navelem"><a class="el" href="arm__cfft__radix2__q31_8c.html">arm_cfft_radix2_q31.c</a></li>
    259. 

  259.     <li class="footer">Generated on Tue Sep 23 2014 18:52:42 for CMSIS-DSP by ARM Ltd. All rights reserved.
    260. 

  260. 	<!--
    261. 

  261.     <a href="http://www.doxygen.org/index.html">
    262. 

  262.     <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.2 
    263. 

  263. 	-->
    264. 

  264. 	</li>
    265. 

  265.   </ul>
    266. 

  266. </div>
    267. 

  267. </body>
    268. 

  268. </html>
    269.