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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" >
< p class = "- topic/p p" data-ofbid = "d121623e30__20250121171559" > 板子使用 USB 接口。< / p >
< / li > < li class = "- topic/li li" data-ofbid = "d121623e33__20250121171559" >
< 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 >
< / 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" >
< p class = "- topic/p p" data-ofbid = "d121623e43__20250121171559" > U 盘要求只有一个分区< / p >
< / li > < li class = "- topic/li li" data-ofbid = "d121623e46__20250121171559" >
< 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 >
< / li > < li class = "- topic/li li" data-ofbid = "d121623e51__20250121171559" >
< 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 >
< / 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
< 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 >
< 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
< span class = "+ topic/ph sw-d/filepath ph filepath" > bootcfg.txt< / span > < / p >
< / 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
< / 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
< 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 >
< 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 >
< / div >
< / 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 >
< 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
< span class = "+ topic/ph ui-d/uicontrol ph uicontrol" > AICUPG_UDISK_ENABLE< / span >
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 --->
aicupg setting --->
[*] aicupg udisk upgrade on< / pre > < / div > < p class = "- topic/p p" data-ofbid = "d121623e116__20250121171559" > 同时设置
< 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
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 >
< 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，
CODE SIZE。< / p >
< 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 >
< / div > < / div > < / li > < / ul > < / div >
< / 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 >
< p class = "- topic/p p" data-ofbid = "d121623e141__20250121171559" > 在打包镜像前，需要确保
< 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 >
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 >
与存储介质所使用的控制器 id 所对应。< / p >
< p class = "- topic/p p" data-ofbid = "d121623e159__20250121171559" > 例如 eMMC 存储介质使用的控制器为 SDMC0， < span class = "+ topic/keyword pr-d/parmname keyword parmname" > device_id< / span > 的值设为 0，
存储介质所使用的控制器为 SDMC1， < span class = "+ topic/keyword pr-d/parmname keyword parmname" > device_id< / span > 设为 1。< / p >
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