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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/usb-burn.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">U 盘升级</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"><div class="- topic/p p" data-ofbid="d121623e22__20250121171559">芯片支持通过 U 盘的 FAT32 文件系统进行升级。烧录前须满足以下要求：<ul class="- topic/ul ul" id="u__ul_ark_xt2_f1c" data-ofbid="u__ul_ark_xt2_f1c"><li class="- topic/li li" data-ofbid="d121623e25__20250121171559">对芯片与板子的要求：<ul class="- topic/ul ul" id="u__ol_xbd_5t2_f1c" data-ofbid="u__ol_xbd_5t2_f1c"><li class="- topic/li li" data-ofbid="d121623e28__20250121171559">
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<p class="- topic/p p" data-ofbid="d121623e30__20250121171559">板子使用 USB 接口。</p>
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</li><li class="- topic/li li" data-ofbid="d121623e33__20250121171559">
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<p class="- topic/p p" data-ofbid="d121623e35__20250121171559">芯片烧录过镜像，且镜像支持 U 盘升级</p>
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</li></ul></li><li class="- topic/li li" data-ofbid="d121623e38__20250121171559">对 U 盘 卡的要求：<ul class="- topic/ul ul" id="u__ol_ybd_5t2_f1c" data-ofbid="u__ol_ybd_5t2_f1c"><li class="- topic/li li" data-ofbid="d121623e41__20250121171559">
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<p class="- topic/p p" data-ofbid="d121623e43__20250121171559">U 盘要求只有一个分区</p>
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</li><li class="- topic/li li" data-ofbid="d121623e46__20250121171559">
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<p class="- topic/p p" data-ofbid="d121623e48__20250121171559">U 盘格式化为 FAT32 文件系统，注意不是 exFAT、或者 FAT16</p>
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</li><li class="- topic/li li" data-ofbid="d121623e51__20250121171559">
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<p class="- topic/p p" data-ofbid="d121623e53__20250121171559">U 盘最好为专用 U 盘，里面不要放置太多其他文件</p>
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</li></ul></li></ul></div><div class="- topic/p p" data-ofbid="d121623e56__20250121171559">执行步骤：<ol class="- topic/ol ol" id="u__ol_zbd_5t2_f1c" data-ofbid="u__ol_zbd_5t2_f1c"><li class="- topic/li li" data-ofbid="d121623e59__20250121171559">拷贝在编译输出目录(images) 下的两个文件到 U 盘 FAT32 文件系统的 <strong class="+ topic/ph hi-d/b ph b">根目录</strong><ul class="- topic/ul ul" id="u__ul_bcd_5t2_f1c" data-ofbid="u__ul_bcd_5t2_f1c"><li class="- topic/li li" data-ofbid="d121623e64__20250121171559"><span class="+ topic/ph sw-d/filepath ph filepath">bootcfg.txt</span> (注意 NAND 输出的名字有些不同，例如
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<span class="+ topic/ph sw-d/filepath ph filepath">bootcfg.txt(page_2k_block_128k) )</span></li><li class="- topic/li li" data-ofbid="d121623e70__20250121171559"><span class="+ topic/ph sw-d/filepath ph filepath">xxx.img</span>，例如 <span class="- topic/ph ph">d13x_per1-nor_v1.0.0.img</span></li></ul></li><li class="- topic/li li" data-ofbid="d121623e76__20250121171559">确保 bootcfg 文件的名字为 <span class="+ topic/ph sw-d/filepath ph filepath">bootcfg.txt</span>
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<p class="- topic/p p" data-ofbid="d121623e81__20250121171559">如果生成的名字为 <span class="+ topic/ph sw-d/filepath ph filepath">bootcfg.txt(page_2k_block_128k) )</span>，则需要改为
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<span class="+ topic/ph sw-d/filepath ph filepath">bootcfg.txt</span></p>
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</li><li class="- topic/li li" data-ofbid="d121623e89__20250121171559">将 U 盘插入板子，重新上电，启动过程中则会自动检测 U 盘是否插入，检测到后进入烧录模式进行升级
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</li><li class="- topic/li li" data-ofbid="d121623e91__20250121171559">烧录完成时，需要拔出 U 盘，然后重新上电启动
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<div class="- topic/note note note note_note" id="u__note_grm_s52_h1c" data-ofbid="u__note_grm_s52_h1c"><span class="note__title">注：</span>
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<p class="- topic/p p" data-ofbid="d121623e95__20250121171559">烧录完成平台并不会主动重启，以防重复进入 U 盘烧录模式。</p>
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</div>
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</li></ol></div><section class="- topic/section section" id="u__section_dcd_5t2_f1c" data-ofbid="u__section_dcd_5t2_f1c"><h2 class="- topic/title title sectiontitle">编译配置</h2>
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<div class="- topic/p p" data-ofbid="d121623e104__20250121171559">SDK 提供的配置，默认关闭该功能。这里进行配置使能以及注意项的说明。<ul class="- topic/ul ul" id="u__ul_ucf_q52_f1c" data-ofbid="u__ul_ucf_q52_f1c"><li class="- topic/li li" data-ofbid="d121623e107__20250121171559">SPI NAND/NOR 方案<div class="- topic/p p" data-ofbid="d121623e109__20250121171559">使能 SDFAT32 烧录功能，只需要在 menuconfig 中勾选配置项
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<span class="+ topic/ph ui-d/uicontrol ph uicontrol">AICUPG_UDISK_ENABLE</span>
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即可:<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="u__codeblock_yr1_552_h1c" data-ofbid="u__codeblock_yr1_552_h1c">Bootloader options --->
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aicupg setting --->
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[*] aicupg udisk upgrade on</pre></div><p class="- topic/p p" data-ofbid="d121623e116__20250121171559">同时设置
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<span class="+ topic/ph ui-d/uicontrol ph uicontrol">AICUPG_USB_CONTROLLER_MAX_NUM=1</span></p><div class="- topic/p p" data-ofbid="d121623e120__20250121171559">可用的最大 USB
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HOST 控制器数量，根据实际芯片平台进行设置。<div class="- topic/note note note note_note" id="u__note_asl_h52_f1c" data-ofbid="u__note_asl_h52_f1c"><span class="note__title">注：</span>
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<p class="- topic/p p" data-ofbid="d121623e124__20250121171559">开启 U 盘烧录功能后，编译完成生成的 bootloader.aic 文件大小不能超过 126K，若超过则可以关闭以下配置来减小
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CODE SIZE。</p>
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<ol class="- topic/ol ol" id="u__ol_icd_5t2_f1c" data-ofbid="u__ol_icd_5t2_f1c"><li class="- topic/li li" data-ofbid="d121623e128__20250121171559">AIC_BOOTLOADER_CMD_SPI_NAND</li><li class="- topic/li li" data-ofbid="d121623e130__20250121171559">AIC_BOOTLOADER_CMD_MTD</li><li class="- topic/li li" data-ofbid="d121623e132__20250121171559">AIC_BOOTLOADER_CMD_MEM</li></ol>
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</div></div></li></ul></div>
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</section><section class="- topic/section section" id="u__section_jcd_5t2_f1c" data-ofbid="u__section_jcd_5t2_f1c"><h2 class="- topic/title title sectiontitle">注意事项</h2>
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<p class="- topic/p p" data-ofbid="d121623e141__20250121171559">在打包镜像前，需要确保
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<span class="+ topic/ph sw-d/filepath ph filepath">target/<var class="+ topic/keyword sw-d/varname keyword varname">IC</var>/<var class="+ topic/keyword sw-d/varname keyword varname">Board</var>/pack</span>
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目录下的 <span class="+ topic/ph sw-d/filepath ph filepath">image_cfg.json</span> 文件中 <span class="+ topic/keyword pr-d/parmname keyword parmname">device_id</span>
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与存储介质所使用的控制器 id 所对应。</p>
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<p class="- topic/p p" data-ofbid="d121623e159__20250121171559">例如 eMMC 存储介质使用的控制器为 SDMC0，则应该将 <span class="+ topic/keyword pr-d/parmname keyword parmname">device_id</span> 的值设为 0， 如果 eMMC
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存储介质所使用的控制器为 SDMC1，则应该将 <span class="+ topic/keyword pr-d/parmname keyword parmname">device_id</span> 设为 1。</p>
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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="#u__section_dcd_5t2_f1c" data-tocid="u__section_dcd_5t2_f1c">编译配置</a></div></li><li class="section-item"><div class="section-title"><a href="#u__section_jcd_5t2_f1c" data-tocid="u__section_jcd_5t2_f1c">注意事项</a></div></li></ul></div>
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