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<div class=" wh_topic_content body "><main role="main"><article class="- topic/topic topic" role="article" aria-labelledby="ariaid-title1"><span class="edit-link" style="font-size:12px; opacity:0.6; text-align:right; vertical-align:middle"><a target="_blank" href="http://172.16.35.88/tasks/jdssno1uvvbf2mltu9kb9v3if05d5gopuakboe8hlud18rma/edit/F:/aicdita/aicdita-cn/topics/sdk/audio/audio_configure.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">Audio 配置</h1><div class="date inPage">15 Jan 2024</div><div style="color: gray;">
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Read time: 2 minute(s)
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</div><div class="- topic/body body"><section class="- topic/section section" id="id__section_ryn_nz3_ddc" data-ofbid="id__section_ryn_nz3_ddc"><h2 class="- topic/title title sectiontitle">使能
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Audio 驱动</h2>
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<div class="- topic/div div">
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<ol class="- topic/ol ol" id="id__ul_clk_zrd_ndc" data-ofbid="id__ul_clk_zrd_ndc"><li class="- topic/li li" id="id__li_glh_fsd_ndc" data-ofbid="id__li_glh_fsd_ndc">
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<p class="- topic/p p" data-ofbid="d300549e31__20250121171805">在 <span class="- topic/ph ph">Luban-Lite</span> 根目录下执行以下 <span class="+ topic/keyword sw-d/cmdname keyword cmdname">scons --menuconfig</span>
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命令，进入 menuconfig 的功能配置界面，按如下选择：</p>
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<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_ads_yv3_ddc" data-ofbid="id__codeblock_ads_yv3_ddc">Board options --->
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[*] Using audio</pre>
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<div class="- topic/note note note note_note" id="id__note_ftn_qn3_ddc" data-ofbid="id__note_ftn_qn3_ddc"><span class="note__title">注：</span>
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<p class="- topic/p p" data-ofbid="d300549e45__20250121171805">为了使用方便，选择 <span class="+ topic/ph ui-d/uicontrol ph uicontrol">Using audio</span> 后会自动选择 audio 驱动框架。</p>
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</div>
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</li><li class="- topic/li li" data-ofbid="d300549e52__20250121171805">
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<div class="- topic/div div section" id="id__id4">
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<p class="- topic/p p" data-ofbid="d300549e56__20250121171805">Audio 模块的 driver 层驱动基于 RT-Thread 的 audio 驱动框架实现，因此需要使能 RT-Thread 的
|
||
audio 框架。</p>
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<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_bzn_nz3_ddc" data-ofbid="id__codeblock_bzn_nz3_ddc">RT-Thread options --->
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RT-Thread Components --->
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Device Drivers --->
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[*] Using Audio device drivers
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(<span class="hl-number">20480</span>) Replay memory pool block size
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(<span class="hl-number">2</span>) Replay memory pool block
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(<span class="hl-number">2048</span>) Record pipe size
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</pre>
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</div>
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</li></ol>
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</div>
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</section><section class="- topic/section section" id="id__section_byc_qwp_ddc" data-ofbid="id__section_byc_qwp_ddc"><h2 class="- topic/title title sectiontitle">功能配置</h2>
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<div class="- topic/div div">
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<div class="- topic/div div section" id="id__id2">
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<div class="- topic/p p" data-ofbid="d300549e74__20250121171805"><a class="- topic/xref xref" href="audio_configure.html#id__li_glh_fsd_ndc">使能 <span class="+ topic/ph ui-d/uicontrol ph uicontrol">Using audio</span>
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后</a>，会进入 audio
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参数配置页面，用户可根据开发板实际情况进行配置。<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_q3v_rsd_ndc" data-ofbid="id__codeblock_q3v_rsd_ndc">Audio parameter ---></pre></div>
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||
<div class="- topic/p p" data-ofbid="d300549e85__20250121171805"><span class="+ topic/ph ui-d/uicontrol ph uicontrol">Audio parameter</span> 配置界面包括下列参数配置：<ul class="- topic/ul ul" id="id__ul_tth_twp_ddc" data-ofbid="id__ul_tth_twp_ddc"><li class="- topic/li li" data-ofbid="d300549e90__20250121171805">Playback
|
||
播放功能<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_z5y_bxp_ddc" data-ofbid="id__codeblock_z5y_bxp_ddc">
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||
[*] Using Playback</pre></li><li class="- topic/li li" data-ofbid="d300549e94__20250121171805">DMIC
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录音功能<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_yk4_cxp_ddc" data-ofbid="id__codeblock_yk4_cxp_ddc">[*] Using DMIC</pre></li><li class="- topic/li li" data-ofbid="d300549e98__20250121171805">AMIC
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录音功能<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_c1b_dxp_ddc" data-ofbid="id__codeblock_c1b_dxp_ddc">[*] Using AMIC</pre></li><li class="- topic/li li" data-ofbid="d300549e102__20250121171805"><span class="+ topic/ph ui-d/uicontrol ph uicontrol">PA enable pin</span>：控制功放的
|
||
shutdown，需要根据板子进行配置。<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_xyn_nz3_ddc" data-ofbid="id__codeblock_xyn_nz3_ddc">(PA.<span class="hl-number">7</span>) PA enable pin
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Select PA enable level (high level Active) --->
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Select SPK channel (Using SPK1) --->
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</pre></li><li class="- topic/li li" data-ofbid="d300549e108__20250121171805"><span class="+ topic/ph ui-d/uicontrol ph uicontrol">Select PA enable
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||
level</span>：选择使能引脚的工作电平，需要根据板子进行配置，有如下两种选择：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_yyn_nz3_ddc" data-ofbid="id__codeblock_yyn_nz3_ddc">(x) high level Active
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||
() low level Active
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||
</pre></li><li class="- topic/li li" data-ofbid="d300549e114__20250121171805">
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||
<div class="- topic/p p" data-ofbid="d300549e116__20250121171805"><span class="+ topic/ph ui-d/uicontrol ph uicontrol">Select SPK channel</span>：选择需要使用的 SPK
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||
播放器，有如下三种选择：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_zyn_nz3_ddc" data-ofbid="id__codeblock_zyn_nz3_ddc">() Using SPK0
|
||
() Using SPK1
|
||
(x) Using SPK0 and SPK1
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||
</pre></div>
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<ul class="- topic/ul ul" id="id__ul_kvl_psd_ndc" data-ofbid="id__ul_kvl_psd_ndc"><li class="- topic/li li" data-ofbid="d300549e124__20250121171805">
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<p class="- topic/p p" data-ofbid="d300549e126__20250121171805"><span class="+ topic/ph ui-d/uicontrol ph uicontrol">Using SPK0</span> 和 <span class="+ topic/ph ui-d/uicontrol ph uicontrol">Using
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SPK1</span>：只支持单端模式。</p>
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</li><li class="- topic/li li" data-ofbid="d300549e134__20250121171805">
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<div class="- topic/p p" data-ofbid="d300549e136__20250121171805">当选择 <span class="+ topic/ph ui-d/uicontrol ph uicontrol">Using SPK0 and SPK1</span>
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时，有单端输出和差分输出两种模式选择：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_azn_nz3_ddc" data-ofbid="id__codeblock_azn_nz3_ddc">Select SPK output mode( ) --->
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(x) single output
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() SPK0 differential output
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||
() SPK1 differential output
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</pre></div>
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<div class=" wh_topic_toc "><div class="wh_topic_label">在本页上</div><ul><li class="section-item"><div class="section-title"><a href="#id__section_ryn_nz3_ddc" data-tocid="id__section_ryn_nz3_ddc">使能
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Audio 驱动</a></div></li><li class="section-item"><div class="section-title"><a href="#id__section_byc_qwp_ddc" data-tocid="id__section_byc_qwp_ddc">功能配置</a></div></li></ul></div>
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