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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/advanced/msh_cmd_ref_guide.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1"><span class="+ topic/keyword sw-d/cmdname keyword cmdname">MSH</span> 命令行工具参考指南</h1><div class="date inPage">19 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"><p class="- topic/p p" data-ofbid="d203040e27__20250121171636">在 Linux 系统中，MSH（Micro Shell）是一种轻量级的 shell 环境。MSH 命令提供了一套供用户在命令行调用的操作接口，主要用于调试或查看系统信息。以下是
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ArtInChip SDK 编译过程中常见的 MSH 终端命令及其说明。</p><section class="- topic/section section" id="pin_cmd_ref_guide__section_h2d_13s_sdc" data-ofbid="pin_cmd_ref_guide__section_h2d_13s_sdc"><h2 class="- topic/title title sectiontitle">pin</h2>
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<p class="- topic/p p" data-ofbid="d203040e34__20250121171636">在 MSH 终端使用 <span class="+ topic/keyword sw-d/cmdname keyword cmdname">pin</span> 命令，设置引脚相关功能，用于调试功能。</p>
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<div class="- topic/div div"><strong class="+ topic/ph hi-d/b ph b">语法</strong><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="pin_cmd_ref_guide__codeblock_mfs_4bf_tdc" data-ofbid="pin_cmd_ref_guide__codeblock_mfs_4bf_tdc">pin <var class="+ topic/keyword sw-d/varname keyword varname">options</var></pre></div>
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<div class="- topic/div div"><strong class="+ topic/ph hi-d/b ph b">参数</strong><dl class="- topic/dl dl" id="pin_cmd_ref_guide__dl_w35_rbf_tdc" data-ofbid="pin_cmd_ref_guide__dl_w35_rbf_tdc"><dt class="- topic/dt dt dlterm" data-ofbid="d203040e53__20250121171636"><var class="+ topic/keyword sw-d/varname keyword varname">num</var></dt><dd class="- topic/dd dd">从硬件中获取 GPIO ID 编号。</dd><dd class="- topic/dd dd ddexpand">可选编号包括 PE02, PE2, PE.02, PE.2, pe02, pe2, pe.02,
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pe.2。<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="pin_cmd_ref_guide__codeblock_w3p_dcf_tdc" data-ofbid="pin_cmd_ref_guide__codeblock_w3p_dcf_tdc">pin num PA.<span class="hl-number">16</span></pre></dd><dt class="- topic/dt dt dlterm" data-ofbid="d203040e63__20250121171636"><var class="+ topic/keyword sw-d/varname keyword varname">mode</var></dt><dd class="- topic/dd dd">设置 GPIO 工作模式。</dd><dd class="- topic/dd dd ddexpand">可选模式包括 output/ input/ input_pullup/ input_pulldown/
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output_od<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="pin_cmd_ref_guide__codeblock_tfn_kcf_tdc" data-ofbid="pin_cmd_ref_guide__codeblock_tfn_kcf_tdc">pin mode PA.<span class="hl-number">16</span> output</pre></dd><dt class="- topic/dt dt dlterm" data-ofbid="d203040e73__20250121171636"><var class="+ topic/keyword sw-d/varname keyword varname">read</var></dt><dd class="- topic/dd dd">读取 GPIO
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引脚电平状态<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="pin_cmd_ref_guide__codeblock_ets_ncf_tdc" data-ofbid="pin_cmd_ref_guide__codeblock_ets_ncf_tdc">pin read PA.<span class="hl-number">16</span></pre></dd><dt class="- topic/dt dt dlterm" data-ofbid="d203040e81__20250121171636"><var class="+ topic/keyword sw-d/varname keyword varname">write</var></dt><dd class="- topic/dd dd">写入 GPIO 引脚电平状态</dd><dd class="- topic/dd dd ddexpand">可配置为 high/ low 或 on/
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off<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="pin_cmd_ref_guide__codeblock_fx5_scf_tdc" data-ofbid="pin_cmd_ref_guide__codeblock_fx5_scf_tdc">pin write PA.<span class="hl-number">16</span> high</pre></dd><dt class="- topic/dt dt dlterm" data-ofbid="d203040e91__20250121171636"><var class="+ topic/keyword sw-d/varname keyword varname">help</var></dt><dd class="- topic/dd dd">获取命令帮助列表</dd></dl></div>
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</section><section class="- topic/section section" id="pin_cmd_ref_guide__section_pyx_4j1_tdc" data-ofbid="pin_cmd_ref_guide__section_pyx_4j1_tdc"><h2 class="- topic/title title sectiontitle">控制 GPIO</h2>
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<ul class="- topic/ul ul" id="pin_cmd_ref_guide__ul_rng_v2h_tdc" data-ofbid="pin_cmd_ref_guide__ul_rng_v2h_tdc"><li class="- topic/li li" data-ofbid="d203040e103__20250121171636">读寄存器。<p class="- topic/p p" data-ofbid="d203040e105__20250121171636"><span class="+ topic/keyword sw-d/cmdname keyword cmdname">p</span> 调试命令，用于打印 (print)
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某个变量、寄存器或内存地址的值。对于没有封装专有调试命令的功能，可使用 MSH 命令行下的 <span class="+ topic/keyword sw-d/cmdname keyword cmdname">p</span>
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命令读写寄存器。</p><div class="- topic/div div"><strong class="+ topic/ph hi-d/b ph b">语法</strong><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="pin_cmd_ref_guide__codeblock_hy2_rj1_tdc" data-ofbid="pin_cmd_ref_guide__codeblock_hy2_rj1_tdc">p <var class="+ topic/keyword sw-d/varname keyword varname">parameter_name</var></pre><div class="- topic/p p" data-ofbid="d203040e119__20250121171636"><strong class="+ topic/ph hi-d/b ph b">示例</strong>：读取
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0x18700000
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内存地址的值<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="pin_cmd_ref_guide__codeblock_kyl_c1h_tdc" data-ofbid="pin_cmd_ref_guide__codeblock_kyl_c1h_tdc">p <span class="hl-number">0x18700000</span></pre></div><div class="- topic/p p" data-ofbid="d203040e125__20250121171636">输出示例如下：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="pin_cmd_ref_guide__codeblock_m4q_h1h_tdc" data-ofbid="pin_cmd_ref_guide__codeblock_m4q_h1h_tdc"><span class="hl-number">18700000</span>: <span class="hl-number">00000100</span> <span class="hl-number">00000100</span> <span class="hl-number">00000200</span> <span class="hl-number">00000101</span>
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<span class="hl-number">18700010</span>: <span class="hl-number">00000000</span> <span class="hl-number">00000000</span> <span class="hl-number">00000000</span> <span class="hl-number">00000000</span>
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<span class="hl-number">18700020</span>: <span class="hl-number">00000000</span> <span class="hl-number">00000000</span> <span class="hl-number">00000000</span> <span class="hl-number">00000000</span>
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<span class="hl-number">18700030</span>: <span class="hl-number">00000000</span> <span class="hl-number">00000000</span> <span class="hl-number">00000000</span> <span class="hl-number">00000000</span>
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</pre></div></div></li><li class="- topic/li li" data-ofbid="d203040e129__20250121171636">
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<p class="- topic/p p" data-ofbid="d203040e131__20250121171636">写寄存器。</p>
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<p class="- topic/p p" data-ofbid="d203040e134__20250121171636"><span class="+ topic/keyword sw-d/cmdname keyword cmdname">m</span> 调试命令，用于修改或写入内存中的某个地址的值。对于没有封装专有调试命令的功能，可使用 MSH 命令行下的
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<span class="+ topic/keyword sw-d/cmdname keyword cmdname">m</span> 命令读写寄存器。</p>
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<div class="- topic/div div"><strong class="+ topic/ph hi-d/b ph b">语法</strong><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="pin_cmd_ref_guide__codeblock_dzy_qj1_tdc" data-ofbid="pin_cmd_ref_guide__codeblock_dzy_qj1_tdc">m <var class="+ topic/keyword sw-d/varname keyword varname">parameter_name</var> <var class="+ topic/keyword sw-d/varname keyword varname">new_value</var></pre><div class="- topic/p p" data-ofbid="d203040e152__20250121171636"><strong class="+ topic/ph hi-d/b ph b">示例</strong>：将地址
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<code class="+ topic/ph pr-d/codeph ph codeph">0x18700004</code> 处的值设置为
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<code class="+ topic/ph pr-d/codeph ph codeph">0x101</code><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="pin_cmd_ref_guide__codeblock_qwm_31h_tdc" data-ofbid="pin_cmd_ref_guide__codeblock_qwm_31h_tdc">m <span class="hl-number">0x18700000</span> <span class="hl-number">0x101</span></pre></div><div class="- topic/p p" data-ofbid="d203040e163__20250121171636">输出示例如下：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="pin_cmd_ref_guide__codeblock_rwm_31h_tdc" data-ofbid="pin_cmd_ref_guide__codeblock_rwm_31h_tdc">value on <span class="hl-number">18700004</span> change from <span class="hl-number">0x100</span> to <span class="hl-number">0x101</span>.</pre></div></div>
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</li></ul>
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</section><section class="- topic/section section" id="pin_cmd_ref_guide__section_dsh_q2h_tdc" data-ofbid="pin_cmd_ref_guide__section_dsh_q2h_tdc"><h2 class="- topic/title title sectiontitle">自定义命令</h2>
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<div class="- topic/p p" data-ofbid="d203040e174__20250121171636">用户可以自定义 MSH 命令，通过宏接口 <span class="+ topic/keyword pr-d/apiname keyword apiname">MSH_CMD_EXPORT(name, desc)</span> 导出函数作为命令在 MSH
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模式下执行。例如，可以定义一个打印 “Hello RT-Thread!” 的命令
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<span class="+ topic/keyword sw-d/cmdname keyword cmdname">hello</span>，并通过以下方式导出：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="pin_cmd_ref_guide__codeblock_qnk_s2h_tdc" data-ofbid="pin_cmd_ref_guide__codeblock_qnk_s2h_tdc"><strong class="hl-keyword">void</strong> hello(<strong class="hl-keyword">void</strong>) {
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rt_kprintf(<span class="hl-string">"Hello RT-Thread!"</span>);
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}
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MSH_CMD_EXPORT(hello, say hello to RT-Thread);
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```</pre></div>
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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="#pin_cmd_ref_guide__section_h2d_13s_sdc" data-tocid="pin_cmd_ref_guide__section_h2d_13s_sdc">pin</a></div></li><li class="section-item"><div class="section-title"><a href="#pin_cmd_ref_guide__section_pyx_4j1_tdc" data-tocid="pin_cmd_ref_guide__section_pyx_4j1_tdc">控制 GPIO</a></div></li><li class="section-item"><div class="section-title"><a href="#pin_cmd_ref_guide__section_dsh_q2h_tdc" data-tocid="pin_cmd_ref_guide__section_dsh_q2h_tdc">自定义命令</a></div></li></ul></div>
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