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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">
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<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-debug_guide.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">调试指南</h1>
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|
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<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>
|
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<div class="- topic/body concept/conbody body conbody">
|
||
<section class="- topic/section section" id="usb_debug_guide__section_y2w_v3z_21c" data-ofbid="usb_debug_guide__section_y2w_v3z_21c"><h2 class="- topic/title title sectiontitle">USB Host 调试</h2>
|
||
|
||
<div class="- topic/p p" data-ofbid="d168352e38__20250123155217">
|
||
<ol class="- topic/ol ol" id="usb_debug_guide__ol_kqj_y3z_21c" data-ofbid="usb_debug_guide__ol_kqj_y3z_21c">
|
||
<li class="- topic/li li" data-ofbid="d168352e42__20250123155217">查看 USB 设备<div class="- topic/p p" data-ofbid="d168352e44__20250123155217">在单板的 USB Host
|
||
端口有设备插入或者拔出时，单板串口会有打印提示：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="usb_debug_guide__codeblock_wnw_y3z_21c" data-ofbid="usb_debug_guide__codeblock_wnw_y3z_21c"><code>[aic@] #
|
||
[ <span class="hl-number">6792.678130</span>] usb <span class="hl-number">1</span>-<span class="hl-number">1</span>: new high-speed USB device number <span class="hl-number">2</span> using aic-ehci
|
||
[ <span class="hl-number">6792.884601</span>] usb-storage <span class="hl-number">1</span>-<span class="hl-number">1</span>:<span class="hl-number">1.0</span>: USB Mass Storage device detected
|
||
[ <span class="hl-number">6792.910596</span>] scsi host0: usb-storage <span class="hl-number">1</span>-<span class="hl-number">1</span>:<span class="hl-number">1.0</span>
|
||
[ <span class="hl-number">6793.970429</span>] scsi <span class="hl-number">0</span>:<span class="hl-number">0</span>:<span class="hl-number">0</span>:<span class="hl-number">0</span>: Direct-Access SanDisk Cruzer Blade <span class="hl-number">1.00</span> PQ: <span class="hl-number">0</span> ANSI: <span class="hl-number">6</span>
|
||
[ <span class="hl-number">6793.995300</span>] sd <span class="hl-number">0</span>:<span class="hl-number">0</span>:<span class="hl-number">0</span>:<span class="hl-number">0</span>: [sda] <span class="hl-number">30842880</span> <span class="hl-number">512</span>-byte logical blocks: (<span class="hl-number">15.8</span> GB/<span class="hl-number">14.7</span> GiB)
|
||
[ <span class="hl-number">6794.018466</span>] sd <span class="hl-number">0</span>:<span class="hl-number">0</span>:<span class="hl-number">0</span>:<span class="hl-number">0</span>: [sda] Write Protect is off
|
||
[ <span class="hl-number">6794.025383</span>] sd <span class="hl-number">0</span>:<span class="hl-number">0</span>:<span class="hl-number">0</span>:<span class="hl-number">0</span>: [sda] Write cache: disabled, read cache: enabled, doesn<span class="hl-string">'t support DPO or FUA
|
||
</span>[ <span class="hl-number">6794.055267</span>] sda: sda1
|
||
[ <span class="hl-number">6794.074720</span>] sd <span class="hl-number">0</span>:<span class="hl-number">0</span>:<span class="hl-number">0</span>:<span class="hl-number">0</span>: [sda] Attached SCSI removable disk
|
||
[ <span class="hl-number">6806.436142</span>] usb <span class="hl-number">1</span>-<span class="hl-number">1</span>: USB disconnect, device number <span class="hl-number">2</span></code></pre></div><div class="- topic/p p" data-ofbid="d168352e48__20250123155217">也可以使用
|
||
<span class="+ topic/keyword sw-d/cmdname keyword cmdname">lsusb</span> 命令查看目前系统 USB
|
||
总线的情况：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="usb_debug_guide__codeblock_e2g_z3z_21c" data-ofbid="usb_debug_guide__codeblock_e2g_z3z_21c"><code>[aic@] # lsusb
|
||
Bus <span class="hl-number">001</span> Device <span class="hl-number">001</span>: ID <span class="hl-number">1</span>d6b:<span class="hl-number">0002</span>
|
||
Bus <span class="hl-number">001</span> Device <span class="hl-number">003</span>: ID <span class="hl-number">0781</span>:<span class="hl-number">5567</span></code></pre></div><p class="- topic/p p" data-ofbid="d168352e55__20250123155217">如果是 PC 上的 Linux 发行版，
|
||
<span class="+ topic/keyword sw-d/cmdname keyword cmdname">lsusb -v</span> 命令可以查看 USB 设备的详细信息。但是单板上使用的 <span class="+ topic/keyword sw-d/cmdname keyword cmdname">lsusb
|
||
-v</span> 被进行了简化。</p></li>
|
||
<li class="- topic/li li" data-ofbid="d168352e64__20250123155217">Sysfs 节点<div class="- topic/p p" data-ofbid="d168352e66__20250123155217">也可以使用 <span class="+ topic/ph sw-d/filepath ph filepath">/sys/kernel/debug/usb/devices</span> 文件节点查看 USB
|
||
设备的详细信息：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="usb_debug_guide__codeblock_ksj_1jz_21c" data-ofbid="usb_debug_guide__codeblock_ksj_1jz_21c"><code>mount -t debugfs none /sys/kernel/debug</code></pre><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="usb_debug_guide__codeblock_xtm_3ds_5dc" data-ofbid="usb_debug_guide__codeblock_xtm_3ds_5dc"><code>cat /sys/kernel/debug/usb/devices</code></pre><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="usb_debug_guide__codeblock_lht_3ds_5dc" data-ofbid="usb_debug_guide__codeblock_lht_3ds_5dc"><code>T: Bus=<span class="hl-number">01</span> Lev=<span class="hl-number">00</span> Prnt=<span class="hl-number">00</span> Port=<span class="hl-number">00</span> Cnt=<span class="hl-number">00</span> Dev#= <span class="hl-number">1</span> Spd=<span class="hl-number">480</span> MxCh= <span class="hl-number">1</span>
|
||
B: Alloc= <span class="hl-number">0</span>/<span class="hl-number">800</span> us ( <span class="hl-number">0</span>%), #Int= <span class="hl-number">0</span>, #Iso= <span class="hl-number">0</span>
|
||
D: Ver= <span class="hl-number">2.00</span> Cls=<span class="hl-number">09</span>(hub ) Sub=<span class="hl-number">00</span> Prot=<span class="hl-number">00</span> MxPS=<span class="hl-number">64</span> #Cfgs= <span class="hl-number">1</span>
|
||
P: Vendor=<span class="hl-number">1</span>d6b ProdID=<span class="hl-number">0002</span> Rev= <span class="hl-number">5.10</span>
|
||
S: Manufacturer=Linux <span class="hl-number">5.10</span>.<span class="hl-number">44</span>-<span class="hl-number">00071</span>-g935288d48127-dirty ehci_hcd
|
||
S: Product=EHCI Host Controller
|
||
S: SerialNumber=<span class="hl-number">10220000.u</span>sb
|
||
C:* #Ifs= <span class="hl-number">1</span> Cfg#= <span class="hl-number">1</span> Atr=e0 MxPwr= <span class="hl-number">0</span>mA
|
||
I:* If#= <span class="hl-number">0</span> Alt= <span class="hl-number">0</span> #EPs= <span class="hl-number">1</span> Cls=<span class="hl-number">09</span>(hub ) Sub=<span class="hl-number">00</span> Prot=<span class="hl-number">00</span> Driver=hub
|
||
E: Ad=<span class="hl-number">81</span>(I) Atr=<span class="hl-number">03</span>(Int.) MxPS= <span class="hl-number">4</span> Ivl=<span class="hl-number">256</span>ms</code></pre></div></li>
|
||
<li class="- topic/li li" data-ofbid="d168352e78__20250123155217">USB 总线分析仪<p class="- topic/p p" data-ofbid="d168352e80__20250123155217">在 USB 设备不能正常枚举或者 USB 通讯过程中出现问题时，我们一般使用 USB 总线分析仪，接入到 USB
|
||
总线上进行旁路抓包分析。</p><div class="- topic/p p" data-ofbid="d168352e82__20250123155217"><br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="usb_debug_guide__image_efw_v3z_21c" src="../../../images/usb/usb_analy_instrument.png" width="384" alt="image0"/></div><br/></div><p class="- topic/p p" data-ofbid="d168352e88__20250123155217">抓包数据的分析界面如下图所示：</p><div class="- topic/p p" data-ofbid="d168352e90__20250123155217"><br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="usb_debug_guide__image_ffw_v3z_21c" src="../../../images/usb/usb_analy_ui.png" width="576" alt="image1"/></div><br/></div><p class="- topic/p p" data-ofbid="d168352e96__20250123155217">USB 总线分析仪对抓取的数据包进行了解析，用起来非常方便。市面上这类仪器大同小异，非常容易上手。</p></li>
|
||
<li class="- topic/li li" data-ofbid="d168352e99__20250123155217">usbmon<div class="- topic/p p" data-ofbid="d168352e101__20250123155217">在没有外部 USB 分析仪的情况下，也可以使用 Linux 内核自带的 USB 抓包模块 usbmon 来抓取数据包进行分析。<ol class="- topic/ol ol" type="a" id="usb_debug_guide__ul_hfw_v3z_21c" data-ofbid="usb_debug_guide__ul_hfw_v3z_21c">
|
||
<li class="- topic/li li" data-ofbid="d168352e105__20250123155217">
|
||
<div class="- topic/p p" data-ofbid="d168352e107__20250123155217">打开 Linux 内核中的 usbmon
|
||
配置：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="usb_debug_guide__codeblock_ff2_djz_21c" data-ofbid="usb_debug_guide__codeblock_ff2_djz_21c"><code>> Device Drivers > USB support
|
||
|
||
<*> USB Monitor</code></pre></div>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d168352e113__20250123155217">
|
||
<div class="- topic/p p" data-ofbid="d168352e115__20250123155217">重新编译内核后就可以进行抓包了：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="usb_debug_guide__codeblock_m34_djz_21c" data-ofbid="usb_debug_guide__codeblock_m34_djz_21c"><code>mount -t debugfs none /sys/kernel/debug</code></pre><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="usb_debug_guide__codeblock_dwv_jds_5dc" data-ofbid="usb_debug_guide__codeblock_dwv_jds_5dc"><code>ls /sys/kernel/debug/usb/usbmon/</code></pre><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="usb_debug_guide__codeblock_evc_kds_5dc" data-ofbid="usb_debug_guide__codeblock_evc_kds_5dc"><code><span class="hl-number">0</span>s <span class="hl-number">0u</span> <span class="hl-number">1</span>s <span class="hl-number">1</span>t <span class="hl-number">1u</span> <span class="hl-number">2</span>s <span class="hl-number">2</span>t <span class="hl-number">2</span>u</code></pre><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="usb_debug_guide__codeblock_uwf_kds_5dc" data-ofbid="usb_debug_guide__codeblock_uwf_kds_5dc"><code>cat /sys/kernel/debug/usb/usbmon/<span class="hl-number">0</span>u</code></pre><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="usb_debug_guide__codeblock_oqm_kds_5dc" data-ofbid="usb_debug_guide__codeblock_oqm_kds_5dc"><code>c1b0e380 <span class="hl-number">68846726</span> C Ii:<span class="hl-number">1</span>:<span class="hl-number">001</span>:<span class="hl-number">1</span> <span class="hl-number">0</span>:<span class="hl-number">2048</span> <span class="hl-number">1</span> = <span class="hl-number">02</span>
|
||
c1b0e380 <span class="hl-number">68846851</span> S Ii:<span class="hl-number">1</span>:<span class="hl-number">001</span>:<span class="hl-number">1</span> -<span class="hl-number">115</span>:<span class="hl-number">2048</span> <span class="hl-number">4</span> <
|
||
c7a15900 <span class="hl-number">68847426</span> S Ci:<span class="hl-number">1</span>:<span class="hl-number">001</span>:<span class="hl-number">0</span> s a3 <span class="hl-number">00</span> <span class="hl-number">0000</span> <span class="hl-number">0001</span> <span class="hl-number">0004</span> <span class="hl-number">4</span> <
|
||
c7a15900 <span class="hl-number">68847507</span> C Ci:<span class="hl-number">1</span>:<span class="hl-number">001</span>:<span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">4</span> = <span class="hl-number">01050100</span>
|
||
c7a15900 <span class="hl-number">68847595</span> S Co:<span class="hl-number">1</span>:<span class="hl-number">001</span>:<span class="hl-number">0</span> s <span class="hl-number">23</span> <span class="hl-number">01</span> <span class="hl-number">0010</span> <span class="hl-number">0001</span> <span class="hl-number">0000</span> <span class="hl-number">0</span>
|
||
c7a15900 <span class="hl-number">68847652</span> C Co:<span class="hl-number">1</span>:<span class="hl-number">001</span>:<span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">0</span>
|
||
c7a15900 <span class="hl-number">68847732</span> S Ci:<span class="hl-number">1</span>:<span class="hl-number">001</span>:<span class="hl-number">0</span> s a3 <span class="hl-number">00</span> <span class="hl-number">0000</span> <span class="hl-number">0001</span> <span class="hl-number">0004</span> <span class="hl-number">4</span> <
|
||
c7a15900 <span class="hl-number">68847790</span> C Ci:<span class="hl-number">1</span>:<span class="hl-number">001</span>:<span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">4</span> = <span class="hl-number">01050000</span>
|
||
c7a15900 <span class="hl-number">68890082</span> S Ci:<span class="hl-number">1</span>:<span class="hl-number">001</span>:<span class="hl-number">0</span> s a3 <span class="hl-number">00</span> <span class="hl-number">0000</span> <span class="hl-number">0001</span> <span class="hl-number">0004</span> <span class="hl-number">4</span> <
|
||
c7a15900 <span class="hl-number">68890154</span> C Ci:<span class="hl-number">1</span>:<span class="hl-number">001</span>:<span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">4</span> = <span class="hl-number">01050000</span>
|
||
c7a15900 <span class="hl-number">68940072</span> S Ci:<span class="hl-number">1</span>:<span class="hl-number">001</span>:<span class="hl-number">0</span> s a3 <span class="hl-number">00</span> <span class="hl-number">0000</span> <span class="hl-number">0001</span> <span class="hl-number">0004</span> <span class="hl-number">4</span> <
|
||
c7a15900 <span class="hl-number">68940142</span> C Ci:<span class="hl-number">1</span>:<span class="hl-number">001</span>:<span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">4</span> = <span class="hl-number">01050000</span>
|
||
c7a15900 <span class="hl-number">68990067</span> S Ci:<span class="hl-number">1</span>:<span class="hl-number">001</span>:<span class="hl-number">0</span> s a3 <span class="hl-number">00</span> <span class="hl-number">0000</span> <span class="hl-number">0001</span> <span class="hl-number">0004</span> <span class="hl-number">4</span> <
|
||
c7a15900 <span class="hl-number">68990129</span> C Ci:<span class="hl-number">1</span>:<span class="hl-number">001</span>:<span class="hl-number">0</span> <span class="hl-number">0</span> <span class="hl-number">4</span> = <span class="hl-number">01050000</span></code></pre></div>
|
||
</li>
|
||
</ol></div></li>
|
||
</ol>
|
||
</div>
|
||
</section>
|
||
<section class="- topic/section section" id="usb_debug_guide__section_lfw_v3z_21c" data-ofbid="usb_debug_guide__section_lfw_v3z_21c"><h2 class="- topic/title title sectiontitle">USB Device 调试</h2>
|
||
|
||
<div class="- topic/p p" data-ofbid="d168352e138__20250123155217">
|
||
<ol class="- topic/ol ol" id="usb_debug_guide__ol_rkw_gjz_21c" data-ofbid="usb_debug_guide__ol_rkw_gjz_21c">
|
||
<li class="- topic/li li" data-ofbid="d168352e142__20250123155217">查看 USB 设备当单板充当 USB Device 连接到 PC 主机 USB Host 端口时，可以在主机上查看 USB 设备有没有成功被枚举：<ul class="- topic/ul ul" id="usb_debug_guide__ul_mfw_v3z_21c" data-ofbid="usb_debug_guide__ul_mfw_v3z_21c">
|
||
<li class="- topic/li li" data-ofbid="d168352e146__20250123155217">
|
||
<p class="- topic/p p" data-ofbid="d168352e148__20250123155217">Linux 主机，可以通过 <span class="+ topic/keyword sw-d/cmdname keyword cmdname">lsusb</span> 命令进行查看。</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d168352e155__20250123155217">
|
||
<p class="- topic/p p" data-ofbid="d168352e157__20250123155217">Windows 主机，可以通过<span class="+ topic/ph ui-d/uicontrol ph uicontrol">设备管理器</span>命令进行查看：</p>
|
||
<blockquote class="- topic/lq lq" id="usb_debug_guide__lq_nfw_v3z_21c" data-ofbid="usb_debug_guide__lq_nfw_v3z_21c">
|
||
<div class="- topic/p p" data-ofbid="d168352e165__20250123155217"><br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="usb_debug_guide__image_ofw_v3z_21c" src="../../../images/usb/usb_debug_dev_manager.png" width="576" alt="image2"/></div><br/></div>
|
||
</blockquote>
|
||
</li>
|
||
</ul></li>
|
||
<li class="- topic/li li" data-ofbid="d168352e175__20250123155217">Sysfs 节点<div class="- topic/p p" data-ofbid="d168352e177__20250123155217">在单板上也可以通过 <span class="+ topic/ph sw-d/filepath ph filepath">/sys/kernel/debug/usb/xxxx.usb/</span> 文件夹下的文件节点，对 UDC
|
||
驱动进行配置：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="usb_debug_guide__codeblock_jf3_3jz_21c" data-ofbid="usb_debug_guide__codeblock_jf3_3jz_21c"><code>ls /sys/class/udc</code></pre><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="usb_debug_guide__codeblock_g4z_kds_5dc" data-ofbid="usb_debug_guide__codeblock_g4z_kds_5dc"><code><span class="hl-number">10200000.u</span>sb</code></pre><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="usb_debug_guide__codeblock_gn2_lds_5dc" data-ofbid="usb_debug_guide__codeblock_gn2_lds_5dc"><code>ls /sys/kernel/debug/usb/<span class="hl-number">10200000.u</span>sb/</code></pre><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="usb_debug_guide__codeblock_rlk_lds_5dc" data-ofbid="usb_debug_guide__codeblock_rlk_lds_5dc"><code>dr_mode ep1out ep3in ep4out params testmode
|
||
ep0 ep2in ep3out fifo regdump
|
||
ep1in ep2out ep4in hw_params state</code></pre></div><div class="- topic/p p" data-ofbid="d168352e190__20250123155217">例如可以 dump
|
||
寄存器：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="usb_debug_guide__codeblock_lbd_jjz_21c" data-ofbid="usb_debug_guide__codeblock_lbd_jjz_21c"><code>cat /sys/kernel/debug/usb/<span class="hl-number">10200000.u</span>sb/regdump</code></pre><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="usb_debug_guide__codeblock_evw_lds_5dc" data-ofbid="usb_debug_guide__codeblock_evw_lds_5dc"><code>GOTGCTL = <span class="hl-number">0x00000000</span>
|
||
GOTGINT = <span class="hl-number">0x00000000</span>
|
||
GAHBCFG = <span class="hl-number">0x00000000</span>
|
||
GUSBCFG = <span class="hl-number">0x00000000</span>
|
||
GRSTCTL = <span class="hl-number">0x00000000</span>
|
||
GINTSTS = <span class="hl-number">0x00000000</span>
|
||
GINTMSK = <span class="hl-number">0x00000000</span>
|
||
GRXSTSR = <span class="hl-number">0x00000000</span>
|
||
GRXFSIZ = <span class="hl-number">0x00000000</span>
|
||
GNPTXFSIZ = <span class="hl-number">0x00000000</span>
|
||
GNPTXSTS = <span class="hl-number">0x00000000</span></code></pre></div></li>
|
||
<li class="- topic/li li" data-ofbid="d168352e197__20250123155217">抓包工具<p class="- topic/p p" data-ofbid="d168352e199__20250123155217">和 USB Host 调试一样，抓包可以使用专门的 USB 总线分析仪或者在 Linux 主机上使用 usbmon
|
||
进行抓包。</p></li>
|
||
</ol>
|
||
</div>
|
||
</section>
|
||
</div>
|
||
</article></main></div>
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</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">
|
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<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_debug_guide__section_y2w_v3z_21c" data-tocid="usb_debug_guide__section_y2w_v3z_21c">USB Host 调试</a></div></li><li class="section-item"><div class="section-title"><a href="#usb_debug_guide__section_lfw_v3z_21c" data-tocid="usb_debug_guide__section_lfw_v3z_21c">USB Device 调试</a></div></li></ul></div>
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<div class="webhelp.fragment.footer">
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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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Update Time: 2025-01-23
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</footer>
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<button id="go2top" class="d-print-none" title="返回顶部">
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