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<div class=" wh_topic_content body "><main role="main"><article class="- topic/topic topic" 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/sdmc/sdmc-config-lite.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">SDMC 配置</h1><div class="date inPage">15 Jan 2024</div><div style="color: gray;">
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Read time: 5 minute(s)
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</div><div class="- topic/body body"><section class="- topic/section section" id="id__ref-to-lite-sdmc-cfg" data-ofbid="id__ref-to-lite-sdmc-cfg"><h2 class="- topic/title title sectiontitle">驱动配置</h2>
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<ol class="- topic/ol ol" id="id__ul_yc1_qgw_mdc" data-ofbid="id__ul_yc1_qgw_mdc"><li class="- topic/li li" data-ofbid="d194480e26__20250121171631">
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<div class="- topic/p p" data-ofbid="d194480e28__20250121171631">在 <span class="- topic/ph ph">Luban-Lite</span> 根目录下执行 <span class="+ topic/keyword sw-d/cmdname keyword cmdname">scons --menuconfig</span>，进入
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menuconfig
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的功能配置界面，按如下选择：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_zmh_3xh_ddc" data-ofbid="id__codeblock_zmh_3xh_ddc">Board options --->
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[ ] Using SDMC0
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[*] Using SDMC1
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[ ] Using SDMC2
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[*] Enable the interrupt of SDMC
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SDMC1 Parameter --->
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Select SDMC1 BUSWIDTH (sdmc <span class="hl-number">4</span>-bit mode) --->
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[ ] Using SDcard hotplug detection
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[ ] SDMC1 connect to a SDIO device
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(<span class="hl-number">3</span>) SDMC1 driver phase
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(<span class="hl-number">0</span>) SDMC1 sample phase
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(<span class="hl-number">100000000</span>) SDMC1 CMU clock frequency</pre></div>
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</li><li class="- topic/li li" data-ofbid="d194480e39__20250121171631">
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<div class="- topic/p p" data-ofbid="d194480e41__20250121171631">当使用 RT-Thread 内核时，SDMC 驱动需要依赖 RT-Thread 的 SDIO 设备驱动框架，也是在 menuconfig
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界面中打开，否则可略过：<div class="- topic/note note tip note_tip" id="id__note_lgb_jxh_ddc" data-ofbid="id__note_lgb_jxh_ddc"><span class="note__title">提示：</span>
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<p class="- topic/p p" data-ofbid="d194480e45__20250121171631">为了简化使用，<span class="+ topic/ph ui-d/uicontrol ph uicontrol">Using SDMCx</span> 会自动打开 RT-Thread 的 SDIO
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设备驱动框架。</p>
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</div><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_jv4_3xh_ddc" data-ofbid="id__codeblock_jv4_3xh_ddc">Rt-Thread options --->
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RT-Thread Components --->
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Device Drivers --->
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[*] Using SD/MMC device driver
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(<span class="hl-number">512</span>) The stack size <strong class="hl-keyword">for</strong> sdio irq thread
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(<span class="hl-number">15</span>) The priority level value of sdio irq thread
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(<span class="hl-number">8192</span>) The stack size <strong class="hl-keyword">for</strong> mmcsd thread
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(<span class="hl-number">22</span>) The priority level value of mmcsd thread
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(<span class="hl-number">16</span>) mmcsd max partition</pre></div>
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</li></ol>
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</section><section class="- topic/section section" id="id__section_lnv_vxh_ddc" data-ofbid="id__section_lnv_vxh_ddc"><h2 class="- topic/title title sectiontitle">SDMC 自定义参数</h2>
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<div class="- topic/p p" data-ofbid="d194480e61__20250121171631">SDMC 驱动在 menuconfig 中提供了下列扩展参数，方便用户根据板级硬件设计进行调整：<div class="table-container"><table class="- topic/table table frame-all" id="id__table_z3b_wxh_bdc" data-ofbid="id__table_z3b_wxh_bdc" data-cols="4"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 1</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">SDMC 自定义参数</span></caption><colgroup><col style="width:22.721088435374153%"/><col style="width:13.60544217687075%"/><col style="width:25.442176870748302%"/><col style="width:38.23129251700681%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_z3b_wxh_bdc__entry__1">参数名称</th><th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_z3b_wxh_bdc__entry__2">类型</th><th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_z3b_wxh_bdc__entry__3">取值范围</th><th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_z3b_wxh_bdc__entry__4">功能说明</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_z3b_wxh_bdc__entry__1">SDMCx_BUSWIDTH1</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_z3b_wxh_bdc__entry__2">Boolean</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_z3b_wxh_bdc__entry__3">1 - 是，0 - 否</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_z3b_wxh_bdc__entry__4">控制器 x 是否为 1 线模式</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_z3b_wxh_bdc__entry__1">SDMCx_BUSWIDTH4</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_z3b_wxh_bdc__entry__2">Boolean</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_z3b_wxh_bdc__entry__3">1 - 是，0 - 否</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_z3b_wxh_bdc__entry__4">控制器 x 是否为 4 线模式</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_z3b_wxh_bdc__entry__1">SDMC0_BUSWIDTH8</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_z3b_wxh_bdc__entry__2">Boolean</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_z3b_wxh_bdc__entry__3">1 - 是，0 - 否</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_z3b_wxh_bdc__entry__4">SDMC0 是否支持 8 线</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_z3b_wxh_bdc__entry__1">SDMCx_IS_SDIO</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_z3b_wxh_bdc__entry__2">Boolean</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_z3b_wxh_bdc__entry__3">1 - 是，0 - 否</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_z3b_wxh_bdc__entry__4">控制器 x 是否用到 SDIO 外设</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_z3b_wxh_bdc__entry__1">SDMCx_DRV_PHASE</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_z3b_wxh_bdc__entry__2">Integer</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_z3b_wxh_bdc__entry__3">0 - 3</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_z3b_wxh_bdc__entry__4">控制器 x 驱动相位</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_z3b_wxh_bdc__entry__1">SDMCx_SMP_PHASE</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_z3b_wxh_bdc__entry__2">Integer</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_z3b_wxh_bdc__entry__3">0 - 3</td>
|
|||
|
|
<div class="- topic/note note tip note_tip" id="id__note_efb_xxh_ddc" data-ofbid="id__note_efb_xxh_ddc"><span class="note__title">提示：</span>
|
|||
|
|
<p class="- topic/p p" data-ofbid="d194480e148__20250121171631">SDMCx_DRV_PHASE 和 SDMCx_SMP_PHASE 分别用于调节发送、接收的信号相位，会影响兼容性，<span class="- topic/ph ph">Luban-Lite</span>
|
|||
|
|
提供了调优后的配置，通常不需要修改。</p>
|
|||
|
|
</div>
|
|||
|
|
</section><section class="- topic/section section" id="id__section_otg_xgw_mdc" data-ofbid="id__section_otg_xgw_mdc"><h2 class="- topic/title title sectiontitle">D21x
|
|||
|
|
默认配置</h2>
|
|||
|
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|
|||
|
|
<div class="- topic/p p" data-ofbid="d194480e162__20250121171631">SDMC V1.0 包含三个接口，分别为 SDMC0、SDMC1 和 SDMC2，D21x 提供了三套 SDMC
|
|||
|
|
控制器，默认配置如下：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_o3j_1yh_ddc" data-ofbid="id__codeblock_o3j_1yh_ddc">Board options --->
|
|||
|
|
[ ] Using SDMC0
|
|||
|
|
[*] Using SDMC1
|
|||
|
|
[ ] Using SDMC2
|
|||
|
|
[*] Enable the interrupt of SDMC
|
|||
|
|
SDMC1 Parameter --->
|
|||
|
|
Select SDMC1 BUSWIDTH (sdmc <span class="hl-number">4</span>-bit mode) --->
|
|||
|
|
[ ] Using SDcard hotplug detection
|
|||
|
|
[ ] SDMC1 connect to a SDIO device
|
|||
|
|
(<span class="hl-number">3</span>) SDMC1 driver phase
|
|||
|
|
(<span class="hl-number">0</span>) SDMC1 sample phase
|
|||
|
|
(<span class="hl-number">100000000</span>) SDMC1 CMU clock frequency</pre></div>
|
|||
|
|
</section><section class="- topic/section section" id="id__file_sys_config" data-ofbid="id__file_sys_config"><h2 class="- topic/title title sectiontitle">文件系统配置</h2>
|
|||
|
|
|
|||
|
|
<ul class="- topic/ul ul" id="id__ul_gc1_dhw_mdc" data-ofbid="id__ul_gc1_dhw_mdc"><li class="- topic/li li" data-ofbid="d194480e176__20250121171631">
|
|||
|
|
<div class="- topic/div div section" id="id__rt-thread">
|
|||
|
|
<strong class="+ topic/ph hi-d/b ph b">RT-Thread</strong>
|
|||
|
|
<div class="- topic/p p" data-ofbid="d194480e183__20250121171631">如果有文件访问的场景，就需要打开相应的文件系统。以 FatFS 文件系统为例，需要打开 RT-Thread 中的 elm（即
|
|||
|
|
FatFS）配置：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_fwn_jyh_ddc" data-ofbid="id__codeblock_fwn_jyh_ddc">Rt-Thread options --->
|
|||
|
|
RT-Thread Components --->
|
|||
|
|
[*] DFS: device virtual file system --->
|
|||
|
|
[*] Using posix-like functions, open/read/write/close
|
|||
|
|
[*] Using working directory
|
|||
|
|
(<span class="hl-number">4</span>) The maximal number of mounted file system
|
|||
|
|
(<span class="hl-number">4</span>) The maximal number of file system type
|
|||
|
|
(<span class="hl-number">16</span>) The maximal number of opened files
|
|||
|
|
[*] Using mount table <strong class="hl-keyword">for</strong> file system
|
|||
|
|
[*] Enable elm-chan fatfs
|
|||
|
|
elm-chan<span class="hl-string">'s FatFs, Generic FAT Filesystem Module --->
|
|||
|
|
</span> [ ] Using devfs <strong class="hl-keyword">for</strong> device objects
|
|||
|
|
[*] Enable ReadOnly file system on flash
|
|||
|
|
[ ] Enable RAM file system</pre></div><div class="- topic/p p" data-ofbid="d194480e187__20250121171631">注意，上面的
|
|||
|
|
<span class="+ topic/ph ui-d/uicontrol ph uicontrol">Using mount table for filesystem</span>
|
|||
|
|
选项打开后，意味着可以系统启动后会根据一个 Table 配置来自动挂载文件系统。该 Table 定义在
|
|||
|
|
<span class="+ topic/ph sw-d/filepath ph filepath">board.c</span>
|
|||
|
|
中：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_vsw_jyh_ddc" data-ofbid="id__codeblock_vsw_jyh_ddc">#ifdef RT_USING_DFS_MNTTABLE
|
|||
|
|
#include <dfs_fs.h>
|
|||
|
|
|
|||
|
|
<strong class="hl-keyword">const</strong> <strong class="hl-keyword">struct</strong> dfs_mount_tbl mount_table[] = {
|
|||
|
|
#ifdef AIC_USING_SDMC1
|
|||
|
|
{<span class="hl-string">"sd0"</span>, <span class="hl-string">"/sdcard"</span>, <span class="hl-string">"elm"</span>, <span class="hl-number">0</span>, <span class="hl-number">0</span>, <span class="hl-number">0</span>},
|
|||
|
|
#endif
|
|||
|
|
{<span class="hl-number">0</span>}
|
|||
|
|
};
|
|||
|
|
#endif</pre>
|
|||
|
|
</div></div>
|
|||
|
|
</li><li class="- topic/li li" data-ofbid="d194480e199__20250121171631">
|
|||
|
|
<div class="- topic/div div section" id="id__baremetal"><strong class="+ topic/ph hi-d/b ph b">Baremetal</strong>
|
|||
|
|
<div class="- topic/p p" data-ofbid="d194480e205__20250121171631">Baremetal
|
|||
|
|
默认打开文件系统配置：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_tyf_kyh_ddc" data-ofbid="id__codeblock_tyf_kyh_ddc">Local packages options --->
|
|||
|
|
Third-party packages options --->
|
|||
|
|
[*] DFS: device virtual file system <strong class="hl-keyword">for</strong> baremetal mode --->
|
|||
|
|
[*] Using posix-like functions, open/read/write/close
|
|||
|
|
(<span class="hl-number">4</span>) The maximal number of mounted file system
|
|||
|
|
(<span class="hl-number">4</span>) The maximal number of file system type
|
|||
|
|
(<span class="hl-number">16</span>) The maximal number of opened files
|
|||
|
|
[ ] Using mount table <strong class="hl-keyword">for</strong> file system
|
|||
|
|
[*] Enable elm-chan fatfs
|
|||
|
|
elm-chan<span class="hl-string">'s FatFs, Generic FAT Filesystem Module --->
|
|||
|
|
</span> [ ] Enable ReadOnly file system on flash
|
|||
|
|
[ ] Enable RAM file system</pre></div><div class="- topic/p p" data-ofbid="d194480e209__20250121171631">设备上电后会直接将
|
|||
|
|
Baremetal SDMC 设备自动挂载在根目录下。此部分定义在 <span class="+ topic/ph sw-d/filepath ph filepath">main.c</span>
|
|||
|
|
中：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_o14_kyh_ddc" data-ofbid="id__codeblock_o14_kyh_ddc">#<strong class="hl-keyword">if</strong> defined(LPKG_USING_DFS_ELMFAT) && defined(AIC_SDMC_DRV)
|
|||
|
|
<strong class="hl-keyword">if</strong> (dfs_mount(<span class="hl-string">"sdmc"</span>, <span class="hl-string">"/"</span>, <span class="hl-string">"elm"</span>, <span class="hl-number">0</span>, <span class="hl-number">0</span>) < <span class="hl-number">0</span>)
|
|||
|
|
pr_err(<span class="hl-string">"Failed to mount sdmc with FatFS\n"</span>);
|
|||
|
|
#endif</pre></div></div>
|
|||
|
|
</li></ul>
|
|||
|
|
</section><section class="- topic/section section" id="id__section_if4_k13_ddc" data-ofbid="id__section_if4_k13_ddc"><h2 class="- topic/title title sectiontitle">热插拔配置</h2>
|
|||
|
|
|
|||
|
|
<p class="- topic/p p" data-ofbid="d194480e223__20250121171631">目前 <span class="- topic/ph ph">Luban-Lite</span> 下只实现了 SDMC1 热插拔，用户可根据源码拓展至 SDMC0/2 中：</p>
|
|||
|
|
<ul class="- topic/ul ul" id="id__ul_nsy_lyh_ddc" data-ofbid="id__ul_nsy_lyh_ddc"><li class="- topic/li li" data-ofbid="d194480e230__20250121171631">
|
|||
|
|
<div class="- topic/div div section" id="id__id5">
|
|||
|
|
<strong class="+ topic/ph hi-d/b ph b">RT-Thread</strong>：<span class="+ topic/ph sw-d/filepath ph filepath">bsp/artinchip/drv/sdmc/drv_sdcard.c</span><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_abl_myh_ddc" data-ofbid="id__codeblock_abl_myh_ddc">Board options --->
|
|||
|
|
[*] Using SDMC1
|
|||
|
|
SDMC1 Parameter --->
|
|||
|
|
[*] Using SDcard hotplug detection</pre></div>
|
|||
|
|
</li><li class="- topic/li li" data-ofbid="d194480e242__20250121171631">
|
|||
|
|
<div class="- topic/div div section" id="id__id6"><strong class="+ topic/ph hi-d/b ph b">Baremetal</strong>:
|
|||
|
|
<span class="+ topic/ph sw-d/filepath ph filepath">bsp/artinchip/drv_bare/sdmc/sdcard.c</span><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_mqr_myh_ddc" data-ofbid="id__codeblock_mqr_myh_ddc">Board options --->
|
|||
|
|
[*] Using SDMC1
|
|||
|
|
SDMC1 Parameter --->
|
|||
|
|
[*] Using SDcard hotplug detection</pre></div>
|
|||
|
|
</li></ul>
|
|||
|
|
</section></div></article></main></div>
|
|||
|
|
|
|||
|
|
|
|||
|
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|
|||
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|
|||
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|
|||
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|
|||
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</div>
|
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|
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<nav role="navigation" id="wh_topic_toc" aria-label="On this page" class="col-lg-2 d-none d-lg-block navbar d-print-none">
|
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<div id="wh_topic_toc_content">
|
|||
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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="#id__ref-to-lite-sdmc-cfg" data-tocid="id__ref-to-lite-sdmc-cfg">驱动配置</a></div></li><li class="section-item"><div class="section-title"><a href="#id__section_lnv_vxh_ddc" data-tocid="id__section_lnv_vxh_ddc">SDMC 自定义参数</a></div></li><li class="section-item"><div class="section-title"><a href="#id__section_otg_xgw_mdc" data-tocid="id__section_otg_xgw_mdc">D21x
|
|||
|
|
默认配置</a></div></li><li class="section-item"><div class="section-title"><a href="#id__file_sys_config" data-tocid="id__file_sys_config">文件系统配置</a></div></li><li class="section-item"><div class="section-title"><a href="#id__section_if4_k13_ddc" data-tocid="id__section_if4_k13_ddc">热插拔配置</a></div></li></ul></div>
|
|||
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|
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|
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|
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|
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<p class="p1">Copyright © 2019-2024 广东匠芯创科技有限公司. All rights reserved.</p>
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|
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<div class="generation_time">
|
|||
|
|
Update Time: 2025-01-21
|
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