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<head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><meta name="description" content="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 Kconfig 配置中的 ArtInChip debug 选项，可以使能打印信息，详细流程如下： 进入 U-Boot 菜单配置界面： make uboot-menuconfig 在菜单配置中，找到并展开 ArtInChip debug 选项： ArtInChip debug ---> [ ] Enable early ..."/><meta name="DC.rights.owner" content="(C) 版权 2025"/><meta name="copyright" content="(C) 版权 2025"/><meta name="generator" content="DITA-OT"/><meta name="DC.type" content="concept"/><meta name="DC.creator" content="yan.wang"/><meta name="DC.date.created" content="2024-01-16"/><meta name="DC.date.modified" content="2024-12-16"/><meta name="DC.format" content="HTML5"/><meta name="DC.identifier" content="print_setting_d21x"/><meta name="DC.language" content="zh-CN"/><title>打印设置</title><!-- Build number 2023110923. --><meta name="wh-path2root" content="../../../"/><meta name="wh-toc-id" content=""/><meta name="wh-source-relpath" content="topics/sdk/boot/print-setting-d21x.dita"/><meta name="wh-out-relpath" content="topics/sdk/boot/print-setting-d21x.html"/>
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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"><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/boot/print-setting-d21x.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">打印设置</h1><div class="date inPage">16 Dec 2024</div><div style="color: gray;">
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Read time: 1 minute(s)
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</div><div class="- topic/body concept/conbody body conbody"><div class="- topic/p p" data-ofbid="d249741e23__20250121171702">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"><li class="- topic/li li" data-ofbid="d249741e32__20250121171702">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">make uboot-menuconfig</pre></li><li class="- topic/li li" data-ofbid="d249741e36__20250121171702">
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<div class="- topic/p p" data-ofbid="d249741e38__20250121171702">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">ArtInChip debug ---></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">[ ] 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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</pre></div>
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</li><li class="- topic/li li" data-ofbid="d249741e48__20250121171702">
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<p class="- topic/p p" data-ofbid="d249741e50__20250121171702">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>
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<p class="- topic/p p" data-ofbid="d249741e58__20250121171702">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
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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>
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</li><li class="- topic/li li" data-ofbid="d249741e68__20250121171702">
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<p class="- topic/p p" data-ofbid="d249741e70__20250121171702">完成配置后，保存并退出菜单配置界面。</p>
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</li><li class="- topic/li li" data-ofbid="d249741e73__20250121171702">
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<p class="- topic/p p" data-ofbid="d249741e75__20250121171702">编译 U-Boot</p>
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<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">make</pre>
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