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<div id="projectname">SemiDrive SSDK Appication Program Interface<span id="projectnumber"> PTG3.0</span>
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<a href="#pub-attribs">Data Fields</a> </div>
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<div class="headertitle"><div class="title">sdrv_pdm_params</div></div>
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<p><code>#include <<a class="el" href="sdrv__pdm_8h_source.html">sdrv_pdm.h</a>></code></p>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="pub-attribs" name="pub-attribs"></a>
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Data Fields</h2></td></tr>
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<tr class="memitem:ae4c275d806c9163c5575f9fe786b5f17"><td class="memItemLeft" align="right" valign="top"><a class="el" href="sdrv__pdm_8h.html#adb0fe39d821f65dd49921b26d4966824">sdrv_pdm_channel_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structsdrv__pdm__params.html#ae4c275d806c9163c5575f9fe786b5f17">channels</a></td></tr>
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<tr class="memitem:a2e04548bb6240a6a00c6a5a1016091b5"><td class="memItemLeft" align="right" valign="top"><a class="el" href="sdrv__pdm_8h.html#aa25e825685d5bc1645b1027baef2a450">sdrv_pdm_sample_width_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structsdrv__pdm__params.html#a2e04548bb6240a6a00c6a5a1016091b5">sample_width</a></td></tr>
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<tr class="memitem:a1546c36b5def60a49d691dc4d07af25d"><td class="memItemLeft" align="right" valign="top"><a class="el" href="sdrv__pdm_8h.html#a043a4fcc4c79b34e2125765f73756960">sdrv_pdm_sample_rate_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structsdrv__pdm__params.html#a1546c36b5def60a49d691dc4d07af25d">sample_rate</a></td></tr>
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<tr class="separator:a1546c36b5def60a49d691dc4d07af25d"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:adc6063673f8e7920032469b4caa7439a"><td class="memItemLeft" align="right" valign="top"><a class="el" href="sdrv__pdm_8h.html#ab409f805db43e01a91d2a7a912d0b12f">sdrv_pdm_gain_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="structsdrv__pdm__params.html#adc6063673f8e7920032469b4caa7439a">gain</a></td></tr>
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<tr class="separator:adc6063673f8e7920032469b4caa7439a"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:aafa448ca2eb2b62d7c138f7fa8a9e6db"><td class="memItemLeft" align="right" valign="top">unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="structsdrv__pdm__params.html#aafa448ca2eb2b62d7c138f7fa8a9e6db">period_bytes</a></td></tr>
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<tr class="memitem:ab3524788d581ffa5760643c66dbe02eb"><td class="memItemLeft" align="right" valign="top">unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="structsdrv__pdm__params.html#ab3524788d581ffa5760643c66dbe02eb">periods</a></td></tr>
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<tr class="memitem:aa8a94d9adbcb7dd8a61d256f4e718b5a"><td class="memItemLeft" align="right" valign="top">uint8_t * </td><td class="memItemRight" valign="bottom"><a class="el" href="structsdrv__pdm__params.html#aa8a94d9adbcb7dd8a61d256f4e718b5a">dma_buff</a></td></tr>
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</table>
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<h2 class="groupheader">Field Documentation</h2>
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<a id="ae4c275d806c9163c5575f9fe786b5f17" name="ae4c275d806c9163c5575f9fe786b5f17"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ae4c275d806c9163c5575f9fe786b5f17">◆ </a></span>channels</h2>
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<td class="memname"><a class="el" href="sdrv__pdm_8h.html#adb0fe39d821f65dd49921b26d4966824">sdrv_pdm_channel_t</a> channels</td>
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<p >< data channels <br />
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data width </p>
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<h2 class="memtitle"><span class="permalink"><a href="#aa8a94d9adbcb7dd8a61d256f4e718b5a">◆ </a></span>dma_buff</h2>
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<td class="memname">uint8_t* dma_buff</td>
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<p >true :dma mode; false:irq mode <br />
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</p>
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<h2 class="memtitle"><span class="permalink"><a href="#adc6063673f8e7920032469b4caa7439a">◆ </a></span>gain</h2>
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<td class="memname"><a class="el" href="sdrv__pdm_8h.html#ab409f805db43e01a91d2a7a912d0b12f">sdrv_pdm_gain_t</a> gain</td>
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<p >dma mode must set, dma generates an interrupt transmission data size </p>
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<h2 class="memtitle"><span class="permalink"><a href="#aafa448ca2eb2b62d7c138f7fa8a9e6db">◆ </a></span>period_bytes</h2>
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<td class="memname">unsigned int period_bytes</td>
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<p >dma mode must set, dma generates an interrupt transmission data size </p>
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<a id="ab3524788d581ffa5760643c66dbe02eb" name="ab3524788d581ffa5760643c66dbe02eb"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ab3524788d581ffa5760643c66dbe02eb">◆ </a></span>periods</h2>
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<td class="memname">unsigned int periods</td>
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<p >dma mode need set dma_buf addr, size=period_count*period_size </p>
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<a id="a1546c36b5def60a49d691dc4d07af25d" name="a1546c36b5def60a49d691dc4d07af25d"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a1546c36b5def60a49d691dc4d07af25d">◆ </a></span>sample_rate</h2>
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<td class="memname"><a class="el" href="sdrv__pdm_8h.html#a043a4fcc4c79b34e2125765f73756960">sdrv_pdm_sample_rate_t</a> sample_rate</td>
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<p >data gain </p>
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<a id="a2e04548bb6240a6a00c6a5a1016091b5" name="a2e04548bb6240a6a00c6a5a1016091b5"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a2e04548bb6240a6a00c6a5a1016091b5">◆ </a></span>sample_width</h2>
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<td class="memname"><a class="el" href="sdrv__pdm_8h.html#aa25e825685d5bc1645b1027baef2a450">sdrv_pdm_sample_width_t</a> sample_width</td>
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<p >data sample rate </p>
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<a id="a3b2c2c66ea3dc423a3f41283ade39fa6" name="a3b2c2c66ea3dc423a3f41283ade39fa6"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#a3b2c2c66ea3dc423a3f41283ade39fa6">◆ </a></span>usedma</h2>
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<td class="memname">bool usedma</td>
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<hr/>The documentation for this struct was generated from the following file:<ul>
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<li>Z:/01-Code/06-SSDK-DEV-Firewall/ssdk/drivers/include/<a class="el" href="sdrv__pdm_8h_source.html">sdrv_pdm.h</a></li>
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Generated by <a href="https://www.doxygen.org/index.html"><img class="footer" src="doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.9.4
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