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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/userid-intro.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">模块介绍</h1><div class="date inPage">4 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"><section class="- topic/section section" id="concept_xcv_pm3_pzb__section_imn_hfh_bzb" data-ofbid="concept_xcv_pm3_pzb__section_imn_hfh_bzb"><h2 class="- topic/title title sectiontitle">功能简介</h2>
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<p class="- topic/p p" data-ofbid="d69409e28__20250121171522">UserID 是指厂商在量产过程中烧录的自定义 ID 数据，比如：</p>
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<ul class="- topic/ul ul" id="concept_xcv_pm3_pzb__ul_kmn_hfh_bzb" data-ofbid="concept_xcv_pm3_pzb__ul_kmn_hfh_bzb"><li class="- topic/li li" data-ofbid="d69409e32__20250121171522">
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<p class="- topic/p p" data-ofbid="d69409e34__20250121171522">SN 序列号</p>
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</li><li class="- topic/li li" data-ofbid="d69409e37__20250121171522">
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<p class="- topic/p p" data-ofbid="d69409e39__20250121171522">MAC 地址</p>
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</li><li class="- topic/li li" data-ofbid="d69409e42__20250121171522">
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<p class="- topic/p p" data-ofbid="d69409e44__20250121171522">其他通过指定名字索引的数据</p>
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</li></ul>
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<p class="- topic/p p" data-ofbid="d69409e48__20250121171522">这些信息可以在工厂生产过程中使用 AiBurnID 工具进行烧录，并且在存储在 “userid” 分区。</p>
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<p class="- topic/p p" data-ofbid="d69409e51__20250121171522">UserID 分区支持在烧录完成之后进行锁定功能，一旦锁定，启动过程中不再进入 UserID 烧录模式。</p>
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<p class="- topic/p p" data-ofbid="d69409e55__20250121171522">注解</p>
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<ul class="- topic/ul ul" id="concept_xcv_pm3_pzb__ul_lmn_hfh_bzb" data-ofbid="concept_xcv_pm3_pzb__ul_lmn_hfh_bzb"><li class="- topic/li li" data-ofbid="d69409e59__20250121171522">
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<p class="- topic/p p" data-ofbid="d69409e61__20250121171522">ID 名字可以自定义，但是不能重复</p>
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</li><li class="- topic/li li" data-ofbid="d69409e64__20250121171522">
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<p class="- topic/p p" data-ofbid="d69409e66__20250121171522">ID 的数据长度没有做特殊限制，但是分区大小为 256KB</p>
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</li></ul>
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<p class="- topic/p p" data-ofbid="d69409e70__20250121171522">UserID 软件模块分为两部分：</p>
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<ul class="- topic/ul ul" id="concept_xcv_pm3_pzb__ul_nmn_hfh_bzb" data-ofbid="concept_xcv_pm3_pzb__ul_nmn_hfh_bzb"><li class="- topic/li li" data-ofbid="d69409e74__20250121171522">
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<p class="- topic/p p" data-ofbid="d69409e76__20250121171522">U-Boot 中的 UserID 烧录</p>
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</li><li class="- topic/li li" data-ofbid="d69409e79__20250121171522">
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<p class="- topic/p p" data-ofbid="d69409e81__20250121171522">Linux 用户空间读写库</p>
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</li></ul>
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<p class="- topic/p p" data-ofbid="d69409e85__20250121171522">其中 U-Boot 的 UserID 程序主要用于实现烧录，以及 “userid” 分区读写。Linux 用户空间的 UserID 库用于用户程序读取相关的 ID
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信息。</p>
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<p class="- topic/p p" data-ofbid="d69409e88__20250121171522">默认情况下，UserID 烧录功能在 U-Boot 中不使能，使能 UserID 功能会导致开发阶段启动速度变慢。</p>
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</section><section class="- topic/section section" id="concept_xcv_pm3_pzb__section_omn_hfh_bzb" data-ofbid="concept_xcv_pm3_pzb__section_omn_hfh_bzb"><h2 class="- topic/title title sectiontitle">启动流程</h2><p class="- topic/p p" data-ofbid="d69409e94__20250121171522">使能 UserID
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功能之后，启动流程在不同场景下会有不同，容易让开发人员感到迷惑。 此处简要介绍在使能了 UserID 功能之后，在不同条件下的启动流程。</p><p class="- topic/p p" data-ofbid="d69409e96__20250121171522"><strong class="+ topic/ph hi-d/b ph b">场景 1:
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开发过程，独立供电</strong></p><div class="table-container"><table class="- topic/table table frame-all" id="concept_xcv_pm3_pzb__table_pmn_hfh_bzb" data-ofbid="concept_xcv_pm3_pzb__table_pmn_hfh_bzb" data-cols="2"><caption></caption><colgroup><col style="width:50%"/><col style="width:50%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-0 rowsep-0" id="concept_xcv_pm3_pzb__table_pmn_hfh_bzb__entry__1">条件</th><th class="- topic/entry entry colsep-0 rowsep-0" id="concept_xcv_pm3_pzb__table_pmn_hfh_bzb__entry__2">状态</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="concept_xcv_pm3_pzb__table_pmn_hfh_bzb__entry__1">UserID 分区是否锁定</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="concept_xcv_pm3_pzb__table_pmn_hfh_bzb__entry__2">否</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="concept_xcv_pm3_pzb__table_pmn_hfh_bzb__entry__1">USB0 是否连接到 PC</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="concept_xcv_pm3_pzb__table_pmn_hfh_bzb__entry__2">否</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="concept_xcv_pm3_pzb__table_pmn_hfh_bzb__entry__1">AiBurnID 工具是否在等待状态</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="concept_xcv_pm3_pzb__table_pmn_hfh_bzb__entry__2">-</td></tr></tbody></table></div><div class="- topic/p p" data-ofbid="d69409e125__20250121171522"><br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="concept_xcv_pm3_pzb__image_qmn_hfh_bzb" src="../../../images/boot/userid_boot_flow_s1.png"/></div><br/></div><p class="- topic/p p" data-ofbid="d69409e127__20250121171522"><strong class="+ topic/ph hi-d/b ph b">场景 2: 开发过程，USB 连接电脑供电</strong></p><div class="table-container"><table class="- topic/table table frame-all" id="concept_xcv_pm3_pzb__table_rmn_hfh_bzb" data-ofbid="concept_xcv_pm3_pzb__table_rmn_hfh_bzb" data-cols="2"><caption></caption><colgroup><col style="width:50%"/><col style="width:50%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-0 rowsep-0" id="concept_xcv_pm3_pzb__table_rmn_hfh_bzb__entry__1">条件</th><th class="- topic/entry entry colsep-0 rowsep-0" id="concept_xcv_pm3_pzb__table_rmn_hfh_bzb__entry__2">状态</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="concept_xcv_pm3_pzb__table_rmn_hfh_bzb__entry__1">UserID 分区是否锁定</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="concept_xcv_pm3_pzb__table_rmn_hfh_bzb__entry__2">否</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="concept_xcv_pm3_pzb__table_rmn_hfh_bzb__entry__1">USB0 是否连接到 PC</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="concept_xcv_pm3_pzb__table_rmn_hfh_bzb__entry__2">是</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="concept_xcv_pm3_pzb__table_rmn_hfh_bzb__entry__1">AiBurnID 工具是否在等待状态</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="concept_xcv_pm3_pzb__table_rmn_hfh_bzb__entry__2">否</td></tr></tbody></table></div><div class="- topic/p p" data-ofbid="d69409e156__20250121171522"><br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="concept_xcv_pm3_pzb__image_smn_hfh_bzb" src="../../../images/boot/userid_boot_flow_s2.png"/></div><br/></div><p class="- topic/p p" data-ofbid="d69409e158__20250121171522"><strong class="+ topic/ph hi-d/b ph b">场景 3: 量产过程，烧录 UserID</strong></p><div class="table-container"><table class="- topic/table table frame-all" id="concept_xcv_pm3_pzb__table_tmn_hfh_bzb" data-ofbid="concept_xcv_pm3_pzb__table_tmn_hfh_bzb" data-cols="2"><caption></caption><colgroup><col style="width:50%"/><col style="width:50%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-0 rowsep-0" id="concept_xcv_pm3_pzb__table_tmn_hfh_bzb__entry__1">条件</th><th class="- topic/entry entry colsep-0 rowsep-0" id="concept_xcv_pm3_pzb__table_tmn_hfh_bzb__entry__2">状态</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="concept_xcv_pm3_pzb__table_tmn_hfh_bzb__entry__1">UserID 分区是否锁定</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="concept_xcv_pm3_pzb__table_tmn_hfh_bzb__entry__2">否</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="concept_xcv_pm3_pzb__table_tmn_hfh_bzb__entry__1">USB0 是否连接到 PC</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="concept_xcv_pm3_pzb__table_tmn_hfh_bzb__entry__2">是</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="concept_xcv_pm3_pzb__table_tmn_hfh_bzb__entry__1">AiBurnID 工具是否在等待状态</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="concept_xcv_pm3_pzb__table_tmn_hfh_bzb__entry__2">是</td></tr></tbody></table></div><div class="- topic/p p" data-ofbid="d69409e187__20250121171522"><br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="concept_xcv_pm3_pzb__image_umn_hfh_bzb" src="../../../images/boot/userid_boot_flow_s3.png"/></div><br/></div><p class="- topic/p p" data-ofbid="d69409e190__20250121171522"><strong class="+ topic/ph hi-d/b ph b">场景 4:
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||
量产完成，UserID 锁定</strong></p><div class="table-container"><table class="- topic/table table frame-all" id="concept_xcv_pm3_pzb__table_vmn_hfh_bzb" data-ofbid="concept_xcv_pm3_pzb__table_vmn_hfh_bzb" data-cols="2"><caption></caption><colgroup><col style="width:50%"/><col style="width:50%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-0 rowsep-0" id="concept_xcv_pm3_pzb__table_vmn_hfh_bzb__entry__1">条件</th><th class="- topic/entry entry colsep-0 rowsep-0" id="concept_xcv_pm3_pzb__table_vmn_hfh_bzb__entry__2">状态</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="concept_xcv_pm3_pzb__table_vmn_hfh_bzb__entry__1">UserID 分区是否锁定</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="concept_xcv_pm3_pzb__table_vmn_hfh_bzb__entry__2">是</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="concept_xcv_pm3_pzb__table_vmn_hfh_bzb__entry__1">USB0 是否连接到 PC</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="concept_xcv_pm3_pzb__table_vmn_hfh_bzb__entry__2">-</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-0 rowsep-0" headers="concept_xcv_pm3_pzb__table_vmn_hfh_bzb__entry__1">AiBurnID 工具是否在等待状态</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="concept_xcv_pm3_pzb__table_vmn_hfh_bzb__entry__2">-</td></tr></tbody></table></div><div class="- topic/p p" data-ofbid="d69409e219__20250121171522"><br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="concept_xcv_pm3_pzb__image_wmn_hfh_bzb" src="../../../images/boot/userid_boot_flow_s4.png"/></div><br/></div></section></div></article></main></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="#concept_xcv_pm3_pzb__section_imn_hfh_bzb" data-tocid="concept_xcv_pm3_pzb__section_imn_hfh_bzb">功能简介</a></div></li><li class="section-item"><div class="section-title"><a href="#concept_xcv_pm3_pzb__section_omn_hfh_bzb" data-tocid="concept_xcv_pm3_pzb__section_omn_hfh_bzb">启动流程</a></div></li></ul></div>
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|
||
}
|
||
.p3 {
|
||
font-family: "Lucida Console", "Courier New", monospace;
|
||
}
|
||
|
||
--></style>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<div class="webhelp.fragment.footer">
|
||
<p class="p1">Copyright © 2019-2024 广东匠芯创科技有限公司. All rights reserved.</p>
|
||
</div><div>
|
||
<div class="generation_time">
|
||
Update Time: 2025-01-21
|
||
</div>
|
||
</div>
|
||
</div>
|
||
</footer>
|
||
|
||
<div id="go2top" class="d-print-none">
|
||
<span class="oxy-icon oxy-icon-up"></span>
|
||
</div>
|
||
|
||
<div id="modal_img_large" class="modal">
|
||
<span class="close oxy-icon oxy-icon-remove"></span>
|
||
<div id="modal_img_container"></div>
|
||
<div id="caption"></div>
|
||
</div>
|
||
|
||
|
||
<script src="${pd}/publishing/publishing-styles-AIC-template/js/custom.js" defer="defer"></script>
|
||
|
||
|
||
</body>
|
||
</html> |