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aria-expanded="false"><div data-tocid="concept_nww_hzh_pzb-d4445e5947" class="topicref" data-id="concept_nww_hzh_pzb" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action concept_nww_hzh_pzb-d4445e5947-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/chapter-title/chapter-interface-sdk.html" id="concept_nww_hzh_pzb-d4445e5947-link">接口</a><div class="wh-tooltip"><p class="shortdesc">CAN、CIR、GPAI、GPIO、I2C、PSADC、PWM 等接口模块的介绍和使用说明。</p></div></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="chapter-safety-d4445e7944" class="topicref" data-id="chapter-safety" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action chapter-safety-d4445e7944-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/chapter-title/chapter-safety-sdk.html" id="chapter-safety-d4445e7944-link">安全</a><div class="wh-tooltip"><p class="shortdesc">SPI ENC、CE、eFuse 等安全模块的介绍和使用说明。</p></div></div></div></li></ul></li></ul></div>
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<div class=" wh_topic_content body "><main role="main"><article class="- topic/topic concept/concept topic concept" role="article" aria-labelledby="ariaid-title1">
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<span class="edit-link" style="font-size:12px; opacity:0.6; text-align:right; vertical-align:middle"><a target="_blank" title="Edit this document" href="http://172.16.35.88/tasks/jdssno1uvvbf2mltu9kb9v3if05d5gopuakboe8hlud18rma/edit/F:/aicdita/aicdita-cn/topics/sdk/boot/print-setting-d21x.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">打印设置</h1>
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<div class="date inPage">15 Jan 2024</div><div style="color: gray;">
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Read time: 1 minute(s)
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</div>
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<div class="- topic/body concept/conbody body conbody">
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<div class="- topic/p p" data-ofbid="d106168e33__20250123155208">在执行启动流程调试或者模块调试时，通过串口打印信息进行调试是一种常见的方法。通过 <span class="+ topic/ph sw-d/filepath ph filepath">Kconfig</span> 配置中的
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<span class="+ topic/ph ui-d/uicontrol ph uicontrol">ArtInChip debug</span> 选项，可以使能打印信息，详细流程如下：<ol class="- topic/ol ol" id="print_setting_d21x__ol_r5s_4nj_sdc" data-ofbid="print_setting_d21x__ol_r5s_4nj_sdc">
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<li class="- topic/li li" data-ofbid="d106168e43__20250123155208">进入 U-Boot
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菜单配置界面：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="print_setting_d21x__codeblock_o4r_pnj_sdc" data-ofbid="print_setting_d21x__codeblock_o4r_pnj_sdc"><code>make uboot-menuconfig</code></pre></li>
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<li class="- topic/li li" data-ofbid="d106168e48__20250123155208">
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<div class="- topic/p p" data-ofbid="d106168e50__20250123155208">在菜单配置中，找到并展开 <code class="+ topic/ph pr-d/codeph ph codeph">ArtInChip debug</code>
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选项：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="print_setting_d21x__pre_yv5_fvr_c1c" data-ofbid="print_setting_d21x__pre_yv5_fvr_c1c"><code>ArtInChip debug ---></code></pre><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="print_setting_d21x__pre_zv5_fvr_c1c" data-ofbid="print_setting_d21x__pre_zv5_fvr_c1c"><code>[ ] Enable early print information
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[ ] Enable device binding log
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[ ] Enable mmc driver log
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[ ] Enable spi-nand driver log
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[ ] Enable spi-nor driver log
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[ ] Enable spi driver log
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[ ] Enable mmc framework trace log
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[ ] Show boot time
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[ ] Show UBI debug log
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</code></pre></div>
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</li>
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<li class="- topic/li li" data-ofbid="d106168e61__20250123155208">
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<p class="- topic/p p" data-ofbid="d106168e63__20250123155208">勾选 <span class="+ topic/keyword pr-d/parmname keyword parmname">Enable early print information</span>
|
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选项，可以将串口初始化之前的调试信息打印出来。</p>
|
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<div class="- topic/note note note note_note" id="print_setting_d21x__note_wnc_gvr_c1c" data-ofbid="print_setting_d21x__note_wnc_gvr_c1c"><span class="note__title">注：</span> <div class="note__body">
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<p class="- topic/p p" data-ofbid="d106168e71__20250123155208">在 SPL 中，如果使用了 <span class="+ topic/keyword pr-d/parmname keyword parmname">TINY_PRINTF</span> 宏，则避免同时使能 <span class="+ topic/keyword pr-d/parmname keyword parmname">Enable
|
||
early print information</span>，否则可能会产生冲突，导致调试信息无法正确打印。</p>
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</div></div>
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</li>
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<li class="- topic/li li" data-ofbid="d106168e82__20250123155208">
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<p class="- topic/p p" data-ofbid="d106168e84__20250123155208">完成配置后，保存并退出菜单配置界面。</p>
|
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</li>
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||
<li class="- topic/li li" data-ofbid="d106168e88__20250123155208">
|
||
<p class="- topic/p p" data-ofbid="d106168e90__20250123155208">编译 U-Boot</p>
|
||
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="print_setting_d21x__codeblock_orr_vnj_sdc" data-ofbid="print_setting_d21x__codeblock_orr_vnj_sdc"><code>make</code></pre>
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