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class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/psadc/psadc_user_guide.html" id="id-d4445e7075-link">PSADC 使用指南</a></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="uart_user_guide-d4445e7215" class="topicref" data-id="uart_user_guide" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action uart_user_guide-d4445e7215-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/uart/uart_user_guide.html" id="uart_user_guide-d4445e7215-link">UART 使用指南</a></div></div></li><li role="treeitem" aria-expanded="true"><div data-tocid="usb_user_guide-d4445e7299" class="topicref" data-id="usb_user_guide" data-state="expanded"><span role="button" tabindex="0" aria-labelledby="button-collapse-action usb_user_guide-d4445e7299-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/usb/usb_user_guide.html" id="usb_user_guide-d4445e7299-link">USB 使用指南</a></div></div><ul role="group" class="navbar-nav nav-list"><li role="treeitem" aria-expanded="true"><div data-tocid="usb_configuration-d4445e7313" class="topicref" data-id="usb_configuration" data-state="expanded"><span role="button" tabindex="0" aria-labelledby="button-collapse-action usb_configuration-d4445e7313-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/usb/usb_config.html" id="usb_configuration-d4445e7313-link">USB 配置</a></div></div><ul role="group" class="navbar-nav nav-list"><li role="treeitem"><div data-tocid="usb_host_configuration-d4445e7327" class="topicref" data-id="usb_host_configuration" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/usb/usb-host_configuration.html" id="usb_host_configuration-d4445e7327-link">USB Host 配置</a></div></div></li><li role="treeitem" class="active"><div data-tocid="usb_device_configuration-d4445e7341" class="topicref" data-id="usb_device_configuration" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/usb/usb-device_configuration.html" id="usb_device_configuration-d4445e7341-link">USB Device 配置</a></div></div></li><li role="treeitem"><div data-tocid="usb_otg_configuration-d4445e7355" class="topicref" data-id="usb_otg_configuration" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/usb/usb-otg_configuration.html" id="usb_otg_configuration-d4445e7355-link">USB OTG 配置</a></div></div></li></ul></li><li role="treeitem"><div data-tocid="usb_debug_guide-d4445e7369" class="topicref" data-id="usb_debug_guide" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/usb/usb-debug_guide.html" id="usb_debug_guide-d4445e7369-link">调试指南</a></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="usb_test_guide-d4445e7383" class="topicref" data-id="usb_test_guide" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action usb_test_guide-d4445e7383-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/usb/usb-test_guide.html" id="usb_test_guide-d4445e7383-link">测试指南</a></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="usb_design_intro-d4445e7468" class="topicref" data-id="usb_design_intro" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action usb_design_intro-d4445e7468-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/usb/usb-design_intro.html" id="usb_design_intro-d4445e7468-link">设计说明</a></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="usb_host_subsystem_code_structure-d4445e7594" class="topicref" data-id="usb_host_subsystem_code_structure" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action usb_host_subsystem_code_structure-d4445e7594-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/usb/usb-host_subsystem_code_structure.html" id="usb_host_subsystem_code_structure-d4445e7594-link">USB Host 子系统代码架构</a></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="usb_device_subsystem_code_structure-d4445e7762" class="topicref" data-id="usb_device_subsystem_code_structure" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action usb_device_subsystem_code_structure-d4445e7762-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/usb/usb-device_subsystem_code_structure.html" id="usb_device_subsystem_code_structure-d4445e7762-link">USB Device 子系统代码架构</a></div></div></li><li role="treeitem"><div data-tocid="usb_common_issues-d4445e7930" class="topicref" data-id="usb_common_issues" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/usb/usb_faq.html" id="usb_common_issues-d4445e7930-link">常见问题</a></div></div></li></ul></li></ul></li><li role="treeitem" aria-expanded="false"><div data-tocid="chapter-safety-d4445e7944" class="topicref" data-id="chapter-safety" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action chapter-safety-d4445e7944-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/chapter-title/chapter-safety-sdk.html" id="chapter-safety-d4445e7944-link">安全</a><div class="wh-tooltip"><p class="shortdesc">SPI ENC、CE、eFuse 等安全模块的介绍和使用说明。</p></div></div></div></li></ul></li></ul></div>
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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" title="Edit this document" href="http://172.16.35.88/tasks/jdssno1uvvbf2mltu9kb9v3if05d5gopuakboe8hlud18rma/edit/F:/aicdita/aicdita-cn/topics/sdk/usb/usb-device_configuration.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">USB Device 配置</h1>
|
||
|
||
<div class="date inPage">15 Jan 2024</div><div style="color: gray;">
|
||
Read time: 9 minute(s)
|
||
</div>
|
||
<div class="- topic/body concept/conbody body conbody">
|
||
<section class="- topic/section section" id="usb_device_configuration__section_lbt_13z_21c" data-ofbid="usb_device_configuration__section_lbt_13z_21c"><h2 class="- topic/title title sectiontitle">USB Device Controller 配置</h2>
|
||
|
||
<div class="- topic/p p" data-ofbid="d108303e38__20250123155209">
|
||
<ol class="- topic/ol ol" id="usb_device_configuration__ol_dqg_pfz_21c" data-ofbid="usb_device_configuration__ol_dqg_pfz_21c">
|
||
<li class="- topic/li li" data-ofbid="d108303e42__20250123155209">
|
||
<div class="- topic/p p" data-ofbid="d108303e44__20250123155209">Linux Kernel Kconfig 文件中使能相应 UDC
|
||
Driver：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="usb_device_configuration__codeblock_jpz_pfz_21c" data-ofbid="usb_device_configuration__codeblock_jpz_pfz_21c"><code>> Device Drivers > USB support > USB Gadget Support > USB Peripheral Controller
|
||
|
||
<*> ArtInChip USB2.<span class="hl-number">0</span> Device Controller</code></pre></div>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d108303e50__20250123155209">
|
||
<div class="- topic/p p" data-ofbid="d108303e52__20250123155209">DTS 文件中配置相应 UDC
|
||
Device:<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="usb_device_configuration__codeblock_y4n_qfz_21c" data-ofbid="usb_device_configuration__codeblock_y4n_qfz_21c"><code>aicudc: udc@<span class="hl-number">10200000</span> {
|
||
compatible = <span class="hl-string">"artinchip,aic-udc-v1.0"</span>;
|
||
reg = <<span class="hl-number">0x0</span> <span class="hl-number">0x10200000</span> <span class="hl-number">0x0</span> <span class="hl-number">0x1000</span>>;
|
||
interrupts-extended = <&plic0 <span class="hl-number">34</span> IRQ_TYPE_LEVEL_HIGH>;
|
||
clocks = <&cmu CLK_USBD>, <&cmu CLK_USB_PHY0>;
|
||
clock-names = <span class="hl-string">"udc_clk"</span>;
|
||
resets = <&rst RESET_USBD>, <&rst RESET_USBPHY0>;
|
||
reset-names = <span class="hl-string">"aicudc"</span>, <span class="hl-string">"aicudc-ecc"</span>;
|
||
status = <span class="hl-string">"okay"</span>;
|
||
};</code></pre></div>
|
||
</li>
|
||
</ol>
|
||
|
||
</div>
|
||
</section>
|
||
<section class="- topic/section section" id="usb_device_configuration__section_k5g_c3z_21c" data-ofbid="usb_device_configuration__section_k5g_c3z_21c"><h2 class="- topic/title title sectiontitle">USB Gadget 配置</h2>
|
||
|
||
<p class="- topic/p p" data-ofbid="d108303e66__20250123155209">为了方便 Linux 系统模拟成各种类型的 USB Device，Linux 设计了一个 <code class="+ topic/ph pr-d/codeph ph codeph">Gadget Device</code> 。为了方便用户使用
|
||
，Linux 又将 <code class="+ topic/ph pr-d/codeph ph codeph">ConfigFS</code> 引入 USB Device 子系统，用来灵活配置 <code class="+ topic/ph pr-d/codeph ph codeph">Gadget
|
||
Device</code>。</p>
|
||
<div class="- topic/p p" data-ofbid="d108303e78__20250123155209">所以在使用 USB Device 时，在 Linux Kernel 中把这两者都配置成使能。<ul class="- topic/ul ul" id="usb_device_configuration__ul_i1s_sfz_21c" data-ofbid="usb_device_configuration__ul_i1s_sfz_21c">
|
||
<li class="- topic/li li" data-ofbid="d108303e82__20250123155209"><strong class="+ topic/ph hi-d/b ph b">Gadget</strong><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="usb_device_configuration__codeblock_ign_tfz_21c" data-ofbid="usb_device_configuration__codeblock_ign_tfz_21c"><code>> Device Drivers > USB support
|
||
|
||
<*> USB Gadget Support ---></code></pre></li>
|
||
<li class="- topic/li li" data-ofbid="d108303e88__20250123155209"><strong class="+ topic/ph hi-d/b ph b">ConfigFS</strong><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="usb_device_configuration__codeblock_qgb_5fz_21c" data-ofbid="usb_device_configuration__codeblock_qgb_5fz_21c"><code>> Device Drivers > USB support > USB Gadget Support
|
||
|
||
<*> USB Gadget functions configurable through configfs</code></pre></li>
|
||
</ul></div>
|
||
</section>
|
||
<section class="- topic/section section" id="usb_device_configuration__section_kdh_f3z_21c" data-ofbid="usb_device_configuration__section_kdh_f3z_21c"><h2 class="- topic/title title sectiontitle">USB Interface 配置</h2>
|
||
|
||
<div class="- topic/p p" data-ofbid="d108303e101__20250123155209">在 <code class="+ topic/ph pr-d/codeph ph codeph">Gadget Device</code> 基础之上，需要配置具体的 <code class="+ topic/ph pr-d/codeph ph codeph">Interface / Function</code>
|
||
才能提供具体的 USB Device 功能。USB Gadget Device 可以模拟成各种功能的 USB 外设，例如：USB 串口、USB 网口、U 盘等<ol class="- topic/ol ol" id="usb_device_configuration__ol_y1v_xfz_21c" data-ofbid="usb_device_configuration__ol_y1v_xfz_21c">
|
||
<li class="- topic/li li" data-ofbid="d108303e111__20250123155209">ACM 串口 配置。<ol class="- topic/ol ol" type="a" id="usb_device_configuration__ol_bzr_1gz_21c" data-ofbid="usb_device_configuration__ol_bzr_1gz_21c">
|
||
<li class="- topic/li li" data-ofbid="d108303e115__20250123155209">Linux Kernel Kconfig 文件中使能 <code class="+ topic/ph pr-d/codeph ph codeph">CDC ACM</code> 类型的
|
||
<code class="+ topic/ph pr-d/codeph ph codeph">Gadget functions</code>
|
||
：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="usb_device_configuration__codeblock_nk5_yfz_21c" data-ofbid="usb_device_configuration__codeblock_nk5_yfz_21c"><code>> Device Drivers > USB support > USB Gadget Support
|
||
|
||
<*> USB Gadget functions configurable through configfs
|
||
[*] Abstract Control Model (CDC ACM)
|
||
|
||
|
||
> Device Drivers
|
||
|
||
[*] Block devices ---></code></pre></li>
|
||
<li class="- topic/li li" data-ofbid="d108303e126__20250123155209">通过用户态的 configfs 文件接口创建包含 <code class="+ topic/ph pr-d/codeph ph codeph">ACM</code> 串口功能的 USB
|
||
Device：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="usb_device_configuration__codeblock_czp_zfz_21c" data-ofbid="usb_device_configuration__codeblock_czp_zfz_21c"><code>mount -t configfs none /sys/kernel/config
|
||
cd /sys/kernel/config/usb_gadget
|
||
mkdir g1
|
||
cd g1
|
||
echo <span class="hl-string">"0x1d6b"</span> > idVendor
|
||
echo <span class="hl-string">"0x0104"</span> > idProduct
|
||
mkdir strings/<span class="hl-number">0x409</span>
|
||
ls strings/<span class="hl-number">0x409</span>/
|
||
echo <span class="hl-string">"0123456789"</span> > strings/<span class="hl-number">0x409</span>/serialnumber
|
||
echo <span class="hl-string">"AIC Inc."</span> > strings/<span class="hl-number">0x409</span>/manufacturer
|
||
echo <span class="hl-string">"Bar Gadget"</span> > strings/<span class="hl-number">0x409</span>/product
|
||
mkdir functions/acm.GS0
|
||
mkdir configs/c.<span class="hl-number">1</span>
|
||
ls configs/c.<span class="hl-number">1</span>
|
||
mkdir configs/c.<span class="hl-number">1</span>/strings/<span class="hl-number">0x409</span>
|
||
ls configs/c.<span class="hl-number">1</span>/strings/<span class="hl-number">0x409</span>/
|
||
echo <span class="hl-string">"ACM"</span> > configs/c.<span class="hl-number">1</span>/strings/<span class="hl-number">0x409</span>/configuration
|
||
ln -s functions/acm.GS0 configs/c.<span class="hl-number">1</span>
|
||
echo `ls /sys/class/udc` > UDC</code></pre></li>
|
||
</ol><div class="- topic/p p" data-ofbid="d108303e134__20250123155209">用户使用：<ol class="- topic/ol ol" type="a" id="usb_device_configuration__ol_rh2_dgz_21c" data-ofbid="usb_device_configuration__ol_rh2_dgz_21c">
|
||
<li class="- topic/li li" data-ofbid="d108303e138__20250123155209">
|
||
<p class="- topic/p p" data-ofbid="d108303e140__20250123155209">将单板的 USB Device 端口和 Windows PC 的 USB Host 端口连接，在 Windows PC
|
||
设备管理器会看到一个新的 USB 串口节点：</p>
|
||
<div class="- topic/p p" data-ofbid="d108303e143__20250123155209"><br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="usb_device_configuration__image_sh2_dgz_21c" src="../../../images/usb/serial_win_res.png" alt="image0"/></div><br/></div>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d108303e151__20250123155209">
|
||
<p class="- topic/p p" data-ofbid="d108303e153__20250123155209">在 PC 端使用串口终端工具打开 COM12，波特率使用 115200。</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d108303e157__20250123155209">
|
||
<p class="- topic/p p" data-ofbid="d108303e159__20250123155209">在单板端执行： <code class="+ topic/ph pr-d/codeph ph codeph">echo abd > /dev/ttyGS0</code> ，在 PC
|
||
端串口就会收到该字符串：</p>
|
||
<div class="- topic/p p" data-ofbid="d108303e165__20250123155209"><br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="usb_device_configuration__image_th2_dgz_21c" src="../../../images/usb/serial_win_term.png" width="480" alt="image1"/></div><br/></div>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d108303e173__20250123155209">
|
||
<p class="- topic/p p" data-ofbid="d108303e175__20250123155209">在单板端执行 <code class="+ topic/ph pr-d/codeph ph codeph">cat /dev/ttyGS0</code> ，在 PC 端写一个字符串
|
||
“123412345” ，点回车后，在单板端也能收到该字符串。</p>
|
||
</li>
|
||
</ol></div></li>
|
||
<li class="- topic/li li" data-ofbid="d108303e183__20250123155209">U 盘 配置<ol class="- topic/ol ol" type="a" id="usb_device_configuration__ol_yzc_mgz_21c" data-ofbid="usb_device_configuration__ol_yzc_mgz_21c">
|
||
<li class="- topic/li li" data-ofbid="d108303e187__20250123155209">Linux Kernel Kconfig 文件中，使能 <code class="+ topic/ph pr-d/codeph ph codeph">Mass storage</code> 类型的
|
||
<code class="+ topic/ph pr-d/codeph ph codeph">Gadget functions</code>
|
||
：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="usb_device_configuration__codeblock_yhh_3gz_21c" data-ofbid="usb_device_configuration__codeblock_yhh_3gz_21c"><code>> Device Drivers > USB support > USB Gadget Support
|
||
|
||
<*> USB Gadget functions configurable through configfs
|
||
[*] Mass storage</code></pre></li>
|
||
<li class="- topic/li li" data-ofbid="d108303e198__20250123155209">Linux Kernel Kconfig
|
||
文件中，使能环回块设备：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="usb_device_configuration__codeblock_aqc_lgz_21c" data-ofbid="usb_device_configuration__codeblock_aqc_lgz_21c"><code>> Device Drivers
|
||
|
||
<*> Loopback device support</code></pre></li>
|
||
<li class="- topic/li li" data-ofbid="d108303e203__20250123155209">Busybox 中使能 <code class="+ topic/ph pr-d/codeph ph codeph">losetup</code>
|
||
命令：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="usb_device_configuration__codeblock_psx_4gz_21c" data-ofbid="usb_device_configuration__codeblock_psx_4gz_21c"><code>> Linux System Utilities
|
||
|
||
[*] losetup (<span class="hl-number">5.5</span> kb)</code></pre></li>
|
||
<li class="- topic/li li" data-ofbid="d108303e211__20250123155209">通过用户态的 configfs 文件接口创建包含 <code class="+ topic/ph pr-d/codeph ph codeph">Mass storage</code> 存储功能的 USB
|
||
Device<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="usb_device_configuration__codeblock_z33_qgz_21c" data-ofbid="usb_device_configuration__codeblock_z33_qgz_21c"><code>dd <strong class="hl-keyword">if</strong>=/dev/zero of=/tmp/mass.img bs=<span class="hl-number">128</span>K count=<span class="hl-number">132</span>
|
||
losetup /dev/loop0 /tmp/mass.img
|
||
mkdir /tmp/media
|
||
mkfs.vfat /dev/loop0
|
||
mount -t vfat /dev/loop0 /tmp/media/
|
||
cp /linuxrc /tmp/media
|
||
sync
|
||
|
||
mount -t configfs none /sys/kernel/config
|
||
cd /sys/kernel/config/usb_gadget
|
||
mkdir g_mass
|
||
cd g_mass
|
||
echo <span class="hl-string">"0x200"</span> > bcdUSB
|
||
echo <span class="hl-string">"0x100"</span> > bcdDevice
|
||
echo <span class="hl-string">"0x1234"</span> > idVendor
|
||
echo <span class="hl-string">"0x5678"</span> > idProduct
|
||
mkdir configs/c1.<span class="hl-number">1</span>
|
||
mkdir functions/mass_storage.<span class="hl-number">0</span>
|
||
echo /dev/loop0 > functions/mass_storage.<span class="hl-number">0</span>/lun.<span class="hl-number">0</span>/file
|
||
mkdir strings/<span class="hl-number">0x409</span>
|
||
echo <span class="hl-string">"0123456789ABCDEF"</span> > strings/<span class="hl-number">0x409</span>/serialnumber
|
||
echo <span class="hl-string">"river"</span> > strings/<span class="hl-number">0x409</span>/manufacturer
|
||
echo <span class="hl-string">"river_msc"</span> > strings/<span class="hl-number">0x409</span>/product
|
||
mkdir configs/c1.<span class="hl-number">1</span>/strings/<span class="hl-number">0x409</span>
|
||
echo <span class="hl-string">"abc"</span> > configs/c1.<span class="hl-number">1</span>/strings/<span class="hl-number">0x409</span>/configuration
|
||
ln -s functions/mass_storage.<span class="hl-number">0</span> configs/c1.<span class="hl-number">1</span>
|
||
echo `ls /sys/class/udc` > UDC</code></pre></li>
|
||
<li class="- topic/li li" data-ofbid="d108303e219__20250123155209">
|
||
<p class="- topic/p p" data-ofbid="d108303e221__20250123155209">将单板的 USB Device 端口和 Windows PC 的 USB Host 端口连接，在 Windows PC
|
||
上会看到一个新增的 U 盘，可以正常读写。</p>
|
||
</li>
|
||
</ol></li>
|
||
<li class="- topic/li li" data-ofbid="d108303e226__20250123155209">NCM 网口配置<ol class="- topic/ol ol" type="a" id="usb_device_configuration__ol_h3n_5gz_21c" data-ofbid="usb_device_configuration__ol_h3n_5gz_21c">
|
||
<li class="- topic/li li" data-ofbid="d108303e230__20250123155209">Linux Kernel Kconfig 文件中，使能 <code class="+ topic/ph pr-d/codeph ph codeph">CDC NCM</code> 类型的
|
||
<code class="+ topic/ph pr-d/codeph ph codeph">Gadget functions</code>
|
||
：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="usb_device_configuration__codeblock_j5c_wgz_21c" data-ofbid="usb_device_configuration__codeblock_j5c_wgz_21c"><code>> Device Drivers > USB support > USB Gadget Support
|
||
|
||
<*> USB Gadget functions configurable through configfs
|
||
[*] Network Control Model (CDC NCM)</code></pre></li>
|
||
<li class="- topic/li li" data-ofbid="d108303e241__20250123155209">Linux Kernel Kconfig 文件中，使能 TCP/IP
|
||
支持：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="usb_device_configuration__codeblock_czf_wgz_21c" data-ofbid="usb_device_configuration__codeblock_czf_wgz_21c"><code>> Networking support > Networking options
|
||
|
||
[*] TCP/IP networking</code></pre></li>
|
||
<li class="- topic/li li" data-ofbid="d108303e246__20250123155209">通过用户态的 configfs 文件接口创建包含 <code class="+ topic/ph pr-d/codeph ph codeph">CDC NCM</code> 以太网功能的 USB
|
||
Device：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="usb_device_configuration__codeblock_bcm_xgz_21c" data-ofbid="usb_device_configuration__codeblock_bcm_xgz_21c"><code>mount -t configfs none /sys/kernel/config
|
||
cd /sys/kernel/config/usb_gadget
|
||
mkdir g_ncm
|
||
cd g_ncm
|
||
echo <span class="hl-string">"0xA55A"</span> > idVendor
|
||
echo <span class="hl-string">"0x0111"</span> > idProduct
|
||
mkdir strings/<span class="hl-number">0x409</span>
|
||
echo <span class="hl-string">"0123456789"</span> > strings/<span class="hl-number">0x409</span>/serialnumber
|
||
echo <span class="hl-string">"Xyz Inc."</span> > strings/<span class="hl-number">0x409</span>/manufacturer
|
||
echo <span class="hl-string">"NCM gadget"</span> > strings/<span class="hl-number">0x409</span>/product
|
||
mkdir functions/ncm.usb0
|
||
mkdir configs/c.<span class="hl-number">1</span>
|
||
mkdir configs/c.<span class="hl-number">1</span>/strings/<span class="hl-number">0x409</span>
|
||
echo <span class="hl-string">"NCM"</span> > configs/c.<span class="hl-number">1</span>/strings/<span class="hl-number">0x409</span>/configuration
|
||
ln -s functions/ncm.usb0 configs/c.<span class="hl-number">1</span>
|
||
echo `ls /sys/class/udc` > UDC
|
||
|
||
ifconfig usb0 up
|
||
ifconfig usb0 <span class="hl-number">173.11</span>.<span class="hl-number">1.1</span></code></pre></li>
|
||
<li class="- topic/li li" data-ofbid="d108303e254__20250123155209">
|
||
<p class="- topic/p p" data-ofbid="d108303e256__20250123155209">用户使用：</p>
|
||
<ol class="- topic/ol ol" type="i" id="usb_device_configuration__ol_uwl_zgz_21c" data-ofbid="usb_device_configuration__ol_uwl_zgz_21c">
|
||
<li class="- topic/li li" data-ofbid="d108303e261__20250123155209">
|
||
<p class="- topic/p p" data-ofbid="d108303e263__20250123155209">将单板的 USB Device 端口和 Ubuntu PC 的 USB Host 端口连接，在 Ubuntu PC
|
||
会看到一个新的网络接口，名字随机，类似： <code class="+ topic/ph pr-d/codeph ph codeph">enx0afcc15d3417</code>
|
||
。</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d108303e270__20250123155209">
|
||
<p class="- topic/p p" data-ofbid="d108303e272__20250123155209">配置 Ubuntu PC 端的网口为同一网段地址， <code class="+ topic/ph pr-d/codeph ph codeph">sudo ifconfig
|
||
enx0afcc15d3417 173.11.1.2</code>。</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d108303e279__20250123155209">
|
||
<div class="- topic/p p" data-ofbid="d108303e281__20250123155209">两个网口相互可以 ping
|
||
通：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="usb_device_configuration__pre_wwl_zgz_21c" data-ofbid="usb_device_configuration__pre_wwl_zgz_21c"><code>ping <span class="hl-number">173.11</span>.<span class="hl-number">1.1</span></code></pre><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="usb_device_configuration__codeblock_fvh_qyr_5dc" data-ofbid="usb_device_configuration__codeblock_fvh_qyr_5dc"><code>PING <span class="hl-number">173.11</span>.<span class="hl-number">1.1</span> (<span class="hl-number">173.11</span>.<span class="hl-number">1.1</span>) <span class="hl-number">56</span>(<span class="hl-number">84</span>) bytes of data.
|
||
<span class="hl-number">64</span> bytes from <span class="hl-number">173.11</span>.<span class="hl-number">1.1</span>: icmp_seq=<span class="hl-number">1</span> ttl=<span class="hl-number">64</span> time=<span class="hl-number">10.3</span> ms
|
||
<span class="hl-number">64</span> bytes from <span class="hl-number">173.11</span>.<span class="hl-number">1.1</span>: icmp_seq=<span class="hl-number">2</span> ttl=<span class="hl-number">64</span> time=<span class="hl-number">5.02</span> ms</code></pre></div>
|
||
</li>
|
||
</ol>
|
||
</li>
|
||
</ol></li>
|
||
<li class="- topic/li li" data-ofbid="d108303e292__20250123155209">ECM 网口 配置<ol class="- topic/ol ol" type="a" id="usb_device_configuration__ol_mss_1hz_21c" data-ofbid="usb_device_configuration__ol_mss_1hz_21c">
|
||
<li class="- topic/li li" data-ofbid="d108303e296__20250123155209">Linux Kernel Kconfig 文件中，使能 <code class="+ topic/ph pr-d/codeph ph codeph">CDC ECM</code> 类型的
|
||
<code class="+ topic/ph pr-d/codeph ph codeph">Gadget functions</code>
|
||
：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="usb_device_configuration__codeblock_n5h_bhz_21c" data-ofbid="usb_device_configuration__codeblock_n5h_bhz_21c"><code>> Device Drivers > USB support > USB Gadget Support
|
||
|
||
<*> USB Gadget functions configurable through configfs
|
||
[*] Ethernet Control Model (CDC ECM)</code></pre></li>
|
||
<li class="- topic/li li" data-ofbid="d108303e307__20250123155209">Linux Kernel Kconfig 文件中，使能 TCP/IP
|
||
支持：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="usb_device_configuration__codeblock_vlq_chz_21c" data-ofbid="usb_device_configuration__codeblock_vlq_chz_21c"><code>> Networking support > Networking options
|
||
|
||
[*] TCP/IP networking</code></pre></li>
|
||
<li class="- topic/li li" data-ofbid="d108303e312__20250123155209">通过用户态的 configfs 文件接口创建包含 <code class="+ topic/ph pr-d/codeph ph codeph">CDC ECM</code> 以太网功能的 USB
|
||
Device：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="usb_device_configuration__codeblock_uyr_chz_21c" data-ofbid="usb_device_configuration__codeblock_uyr_chz_21c"><code>mount -t configfs none /sys/kernel/config
|
||
cd /sys/kernel/config/usb_gadget
|
||
mkdir g_ecm
|
||
cd g_ecm
|
||
echo <span class="hl-string">"0x1d6b"</span> > idVendor
|
||
echo <span class="hl-string">"0x0104"</span> > idProduct
|
||
mkdir strings/<span class="hl-number">0x409</span>
|
||
echo <span class="hl-string">"0123456789"</span> > strings/<span class="hl-number">0x409</span>/serialnumber
|
||
echo <span class="hl-string">"AIC Inc."</span> > strings/<span class="hl-number">0x409</span>/manufacturer
|
||
echo <span class="hl-string">"Bar Gadget"</span> > strings/<span class="hl-number">0x409</span>/product
|
||
mkdir functions/ecm.usb0
|
||
mkdir configs/c.<span class="hl-number">1</span>
|
||
mkdir configs/c.<span class="hl-number">1</span>/strings/<span class="hl-number">0x409</span>
|
||
echo <span class="hl-string">"ECM"</span> > configs/c.<span class="hl-number">1</span>/strings/<span class="hl-number">0x409</span>/configuration
|
||
ln -s functions/ecm.usb0 configs/c.<span class="hl-number">1</span>
|
||
echo `ls /sys/class/udc` > UDC
|
||
|
||
ifconfig usb0 up
|
||
ifconfig usb0 <span class="hl-number">173.11</span>.<span class="hl-number">1.1</span></code></pre></li>
|
||
<li class="- topic/li li" data-ofbid="d108303e320__20250123155209">用户使用：和上一节 NCM 网口 一样。</li>
|
||
</ol></li>
|
||
<li class="- topic/li li" data-ofbid="d108303e324__20250123155209">ADBD 配置<ol class="- topic/ol ol" type="a" id="usb_device_configuration__ol_ngc_fhz_21c" data-ofbid="usb_device_configuration__ol_ngc_fhz_21c">
|
||
<li class="- topic/li li" data-ofbid="d108303e328__20250123155209">Linux Kernel Kconfig 文件中，使能 <code class="+ topic/ph pr-d/codeph ph codeph">FunctionFS</code> 类型的
|
||
<code class="+ topic/ph pr-d/codeph ph codeph">Gadget functions</code>
|
||
：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="usb_device_configuration__codeblock_nlt_fhz_21c" data-ofbid="usb_device_configuration__codeblock_nlt_fhz_21c"><code>> Device Drivers > USB support > USB Gadget Support
|
||
|
||
<*> USB Gadget functions configurable through configfs
|
||
[*] Function filesystem (FunctionFS)</code></pre></li>
|
||
<li class="- topic/li li" data-ofbid="d108303e339__20250123155209">Linux Kernel Kconfig 文件中，使能 TCP/IP
|
||
支持：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="usb_device_configuration__codeblock_c3z_ghz_21c" data-ofbid="usb_device_configuration__codeblock_c3z_ghz_21c"><code>> Networking support > Networking options
|
||
|
||
[*] TCP/IP networking</code></pre></li>
|
||
<li class="- topic/li li" data-ofbid="d108303e344__20250123155209">通过用户态的 configfs 文件接口创建 <code class="+ topic/ph pr-d/codeph ph codeph">FunctionFS</code> 中的 USB Device，挂载完
|
||
FunctionFS 文件系统以后， <code class="+ topic/ph pr-d/codeph ph codeph">adbd</code> 通过
|
||
<code class="+ topic/ph pr-d/codeph ph codeph">/dev/usb-ffs/adb</code> 中映射成文件的 endpoint 直接和 USB Host
|
||
进行通讯：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="usb_device_configuration__codeblock_qcb_hhz_21c" data-ofbid="usb_device_configuration__codeblock_qcb_hhz_21c"><code>mkdir /dev/pts
|
||
mount -t devpts none /dev/pts
|
||
|
||
mount -t configfs none /sys/kernel/config
|
||
cd /sys/kernel/config/usb_gadget
|
||
mkdir g_adb
|
||
cd g_adb
|
||
echo <span class="hl-string">"0x18d1"</span> > idVendor
|
||
echo <span class="hl-string">"0x4e26"</span> > idProduct
|
||
mkdir configs/c.<span class="hl-number">1</span>
|
||
mkdir functions/ffs.adb
|
||
mkdir strings/<span class="hl-number">0x409</span>
|
||
mkdir configs/c.<span class="hl-number">1</span>/strings/<span class="hl-number">0x409</span>
|
||
echo <span class="hl-string">"0123456789ABCDEF"</span> > strings/<span class="hl-number">0x409</span>/serialnumber
|
||
echo <span class="hl-string">"AIC Inc."</span> > strings/<span class="hl-number">0x409</span>/manufacturer
|
||
echo <span class="hl-string">"FunctionFS gadget (adb)"</span> > strings/<span class="hl-number">0x409</span>/product
|
||
echo <span class="hl-string">"Conf 1"</span> > configs/c.<span class="hl-number">1</span>/strings/<span class="hl-number">0x409</span>/configuration
|
||
echo <span class="hl-number">120</span> > configs/c.<span class="hl-number">1</span>/MaxPower
|
||
ln -s functions/ffs.adb configs/c.<span class="hl-number">1</span>
|
||
|
||
mkdir -p /dev/usb-ffs/adb
|
||
mount -o uid=<span class="hl-number">2000</span>,gid=<span class="hl-number">2000</span> -t functionfs adb /dev/usb-ffs/adb
|
||
|
||
ifconfig lo up
|
||
ifconfig
|
||
|
||
cd /root
|
||
adbd&
|
||
|
||
sleep <span class="hl-number">1</span>
|
||
echo `ls /sys/class/udc/` > /sys/kernel/config/usb_gadget/g_adb/UDC</code></pre></li>
|
||
<li class="- topic/li li" data-ofbid="d108303e358__20250123155209">将单板的 USB Device 端口和 PC 的 USB Host 端口连接，在 PC 端运行 <span class="+ topic/keyword sw-d/cmdname keyword cmdname">adb
|
||
shell</span> 命令即可进行 adb 操作。</li>
|
||
</ol></li>
|
||
</ol></div>
|
||
</section>
|
||
|
||
</div>
|
||
</article></main></div>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
</div>
|
||
|
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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">
|
||
<div id="wh_topic_toc_content">
|
||
|
||
<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="#usb_device_configuration__section_lbt_13z_21c" data-tocid="usb_device_configuration__section_lbt_13z_21c">USB Device Controller 配置</a></div></li><li class="section-item"><div class="section-title"><a href="#usb_device_configuration__section_k5g_c3z_21c" data-tocid="usb_device_configuration__section_k5g_c3z_21c">USB Gadget 配置</a></div></li><li class="section-item"><div class="section-title"><a href="#usb_device_configuration__section_kdh_f3z_21c" data-tocid="usb_device_configuration__section_kdh_f3z_21c">USB Interface 配置</a></div></li></ul></div>
|
||
|
||
</div>
|
||
</nav>
|
||
|
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||
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<div class=" footer-container mx-auto ">
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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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|
||
<div class="generation_time">
|
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Update Time: 2025-01-23
|
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|
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<button id="go2top" class="d-print-none" title="返回顶部">
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|
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|
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