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-<!-- 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="#pub-attribs">Data Fields</a> </div> - <div class="headertitle"> -<div class="title">arm_cfft_radix2_instance_q15 Struct Reference</div> </div> -</div><!--header--> -<div class="contents"> - -<p>Instance structure for the Q15 CFFT/CIFFT function. -</p> -<table class="memberdecls"> -<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-attribs"></a> -Data Fields</h2></td></tr> -<tr class="memitem:a874085647351dcf3f0de39d2b1d49744"><td class="memItemLeft" align="right" valign="top">uint16_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__cfft__radix2__instance__q15.html#a874085647351dcf3f0de39d2b1d49744">fftLen</a></td></tr> -<tr class="separator:a874085647351dcf3f0de39d2b1d49744"><td class="memSeparator" colspan="2"> </td></tr> -<tr class="memitem:ab5c073286bdd2f6e2bf783ced36bf1de"><td class="memItemLeft" align="right" valign="top">uint8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__cfft__radix2__instance__q15.html#ab5c073286bdd2f6e2bf783ced36bf1de">ifftFlag</a></td></tr> -<tr class="separator:ab5c073286bdd2f6e2bf783ced36bf1de"><td class="memSeparator" colspan="2"> </td></tr> -<tr class="memitem:af8300c1f60caa21e6b44b9240ab5af19"><td class="memItemLeft" align="right" valign="top">uint8_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__cfft__radix2__instance__q15.html#af8300c1f60caa21e6b44b9240ab5af19">bitReverseFlag</a></td></tr> -<tr class="separator:af8300c1f60caa21e6b44b9240ab5af19"><td class="memSeparator" colspan="2"> </td></tr> -<tr class="memitem:a3809dd15e7cbf1a054c728cfbbb0cc5a"><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__cfft__radix2__instance__q15.html#a3809dd15e7cbf1a054c728cfbbb0cc5a">pTwiddle</a></td></tr> -<tr class="separator:a3809dd15e7cbf1a054c728cfbbb0cc5a"><td class="memSeparator" colspan="2"> </td></tr> -<tr class="memitem:ab88afeff6493be3c8b5e4530efa82d51"><td class="memItemLeft" align="right" valign="top">uint16_t * </td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__cfft__radix2__instance__q15.html#ab88afeff6493be3c8b5e4530efa82d51">pBitRevTable</a></td></tr> -<tr class="separator:ab88afeff6493be3c8b5e4530efa82d51"><td class="memSeparator" colspan="2"> </td></tr> -<tr class="memitem:a6f2ab87fb4c568656e1f92f687b5c850"><td class="memItemLeft" align="right" valign="top">uint16_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__cfft__radix2__instance__q15.html#a6f2ab87fb4c568656e1f92f687b5c850">twidCoefModifier</a></td></tr> -<tr class="separator:a6f2ab87fb4c568656e1f92f687b5c850"><td class="memSeparator" colspan="2"> </td></tr> -<tr class="memitem:a8722720c542cabd41df83fe88ef4f4cb"><td class="memItemLeft" align="right" valign="top">uint16_t </td><td class="memItemRight" valign="bottom"><a class="el" href="structarm__cfft__radix2__instance__q15.html#a8722720c542cabd41df83fe88ef4f4cb">bitRevFactor</a></td></tr> -<tr class="separator:a8722720c542cabd41df83fe88ef4f4cb"><td class="memSeparator" colspan="2"> </td></tr> -</table> -<h2 class="groupheader">Field Documentation</h2> -<a class="anchor" id="af8300c1f60caa21e6b44b9240ab5af19"></a> -<div class="memitem"> -<div class="memproto"> - <table class="memname"> - <tr> - <td class="memname">uint8_t arm_cfft_radix2_instance_q15::bitReverseFlag</td> - </tr> - </table> -</div><div class="memdoc"> -<p>flag that enables (bitReverseFlag=1) or disables (bitReverseFlag=0) bit reversal of output. </p> - -<p>Referenced by <a class="el" href="group___complex_f_f_t.html#ga5c5b2127b3c4ea2d03692127f8543858">arm_cfft_radix2_init_q15()</a>.</p> - -</div> -</div> -<a class="anchor" id="a8722720c542cabd41df83fe88ef4f4cb"></a> -<div class="memitem"> -<div class="memproto"> - <table class="memname"> - <tr> - <td class="memname">uint16_t arm_cfft_radix2_instance_q15::bitRevFactor</td> - </tr> - </table> -</div><div class="memdoc"> -<p>bit reversal modifier that supports different size FFTs with the same bit reversal table. </p> - -<p>Referenced by <a class="el" href="group___complex_f_f_t.html#ga5c5b2127b3c4ea2d03692127f8543858">arm_cfft_radix2_init_q15()</a>, and <a class="el" href="group___complex_f_f_t.html#ga55b424341dc3efd3fa0bcaaff4bdbf40">arm_cfft_radix2_q15()</a>.</p> - -</div> -</div> -<a class="anchor" id="a874085647351dcf3f0de39d2b1d49744"></a> -<div class="memitem"> -<div class="memproto"> - <table class="memname"> - <tr> - <td class="memname">uint16_t arm_cfft_radix2_instance_q15::fftLen</td> - </tr> - </table> -</div><div class="memdoc"> -<p>length of the FFT. </p> - -<p>Referenced by <a class="el" href="group___complex_f_f_t.html#ga5c5b2127b3c4ea2d03692127f8543858">arm_cfft_radix2_init_q15()</a>, and <a class="el" href="group___complex_f_f_t.html#ga55b424341dc3efd3fa0bcaaff4bdbf40">arm_cfft_radix2_q15()</a>.</p> - -</div> -</div> -<a class="anchor" id="ab5c073286bdd2f6e2bf783ced36bf1de"></a> -<div class="memitem"> -<div class="memproto"> - <table class="memname"> - <tr> - <td class="memname">uint8_t arm_cfft_radix2_instance_q15::ifftFlag</td> - </tr> - </table> -</div><div class="memdoc"> -<p>flag that selects forward (ifftFlag=0) or inverse (ifftFlag=1) transform. </p> - -<p>Referenced by <a class="el" href="group___complex_f_f_t.html#ga5c5b2127b3c4ea2d03692127f8543858">arm_cfft_radix2_init_q15()</a>, and <a class="el" href="group___complex_f_f_t.html#ga55b424341dc3efd3fa0bcaaff4bdbf40">arm_cfft_radix2_q15()</a>.</p> - -</div> -</div> -<a class="anchor" id="ab88afeff6493be3c8b5e4530efa82d51"></a> -<div class="memitem"> -<div class="memproto"> - <table class="memname"> - <tr> - <td class="memname">uint16_t* arm_cfft_radix2_instance_q15::pBitRevTable</td> - </tr> - </table> -</div><div class="memdoc"> -<p>points to the bit reversal table. </p> - -<p>Referenced by <a class="el" href="group___complex_f_f_t.html#ga5c5b2127b3c4ea2d03692127f8543858">arm_cfft_radix2_init_q15()</a>, and <a class="el" href="group___complex_f_f_t.html#ga55b424341dc3efd3fa0bcaaff4bdbf40">arm_cfft_radix2_q15()</a>.</p> - -</div> -</div> -<a class="anchor" id="a3809dd15e7cbf1a054c728cfbbb0cc5a"></a> -<div class="memitem"> -<div class="memproto"> - <table class="memname"> - <tr> - <td class="memname"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a>* arm_cfft_radix2_instance_q15::pTwiddle</td> - </tr> - </table> -</div><div class="memdoc"> -<p>points to the Sin twiddle factor table. </p> - -<p>Referenced by <a class="el" href="group___complex_f_f_t.html#ga5c5b2127b3c4ea2d03692127f8543858">arm_cfft_radix2_init_q15()</a>, and <a class="el" href="group___complex_f_f_t.html#ga55b424341dc3efd3fa0bcaaff4bdbf40">arm_cfft_radix2_q15()</a>.</p> - -</div> -</div> -<a class="anchor" id="a6f2ab87fb4c568656e1f92f687b5c850"></a> -<div class="memitem"> -<div class="memproto"> - <table class="memname"> - <tr> - <td class="memname">uint16_t arm_cfft_radix2_instance_q15::twidCoefModifier</td> - </tr> - </table> -</div><div class="memdoc"> -<p>twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. </p> - -<p>Referenced by <a class="el" href="group___complex_f_f_t.html#ga5c5b2127b3c4ea2d03692127f8543858">arm_cfft_radix2_init_q15()</a>, and <a class="el" href="group___complex_f_f_t.html#ga55b424341dc3efd3fa0bcaaff4bdbf40">arm_cfft_radix2_q15()</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="structarm__cfft__radix2__instance__q15.html">arm_cfft_radix2_instance_q15</a></li> - <li class="footer">Generated on Tue Oct 27 2015 14:35:33 for CMSIS-DSP by ARM Ltd. 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