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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://aicdocco/taskstopics/sdk/gpai/gpai_test_lite.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">测试指南</h1>
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<div class="date inPage">16 May 2025</div><div style="color: gray;">
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Read time: 4 minute(s)
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</div>
<div class="- topic/body body">
<section class="- topic/section section" id="id__section_tmw_gpf_fdc" data-ofbid="id__section_tmw_gpf_fdc"><h2 class="- topic/title title sectiontitle">测试环境</h2>
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<ul class="- topic/ul ul" id="id__ul_c3z_513_fdc" data-ofbid="id__ul_c3z_513_fdc">
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<li class="- topic/li li" data-ofbid="d175612e35__20250519091524"><strong class="+ topic/ph hi-d/b ph b">硬件</strong><ul class="- topic/ul ul simple" id="id__ul_yvj_513_fdc" data-ofbid="id__ul_yvj_513_fdc">
<li class="- topic/li li" data-ofbid="d175612e40__20250519091524">
<p class="- topic/p p" data-ofbid="d175612e42__20250519091524">开发板</p>
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</li>
</ul></li>
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<li class="- topic/li li" data-ofbid="d175612e47__20250519091524"><strong class="+ topic/ph hi-d/b ph b">软件</strong><ul class="- topic/ul ul simple" id="id__ul_zvj_513_fdc" data-ofbid="id__ul_zvj_513_fdc">
<li class="- topic/li li" data-ofbid="d175612e52__20250519091524">
<p class="- topic/p p" data-ofbid="d175612e54__20250519091524">PC 端的串口终端软件,用于 PC 和开发板进行串口通信</p>
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</li>
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<li class="- topic/li li" data-ofbid="d175612e58__20250519091524">
<p class="- topic/p p" data-ofbid="d175612e60__20250519091524">test_gpai 测试程序</p>
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</li>
</ul></li>
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<li class="- topic/li li" data-ofbid="d175612e65__20250519091524"><strong class="+ topic/ph hi-d/b ph b">软件配置</strong><div class="- topic/div div section" id="id__test-gpai">
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<strong class="+ topic/ph hi-d/b ph b">test_gpai 配置</strong>
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<div class="- topic/p p" data-ofbid="d175612e73__20250519091524"><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 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_v2c_y13_fdc" data-ofbid="id__codeblock_v2c_y13_fdc">Drivers options ---&gt;
Drivers examples ---&gt;
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[*] Enable GPAI driver test command</pre></div></div></li>
</ul>
</section>
<section class="- topic/section section" id="id__section_l2t_w13_fdc" data-ofbid="id__section_l2t_w13_fdc"><h2 class="- topic/title title sectiontitle">RTOS 环境</h2>
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<div class="- topic/div div">
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<ul class="- topic/ul ul" id="id__ul_trj_44b_pdc" data-ofbid="id__ul_trj_44b_pdc">
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<li class="- topic/li li" data-ofbid="d175612e95__20250519091524">
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<div class="- topic/div div section" id="id__id6"><strong class="+ topic/ph hi-d/b ph b"><code class="+ topic/ph pr-d/codeph ph codeph">test_gpai</code> 测试</strong>
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<div class="- topic/p p" data-ofbid="d175612e103__20250519091524">在打开 <code class="+ topic/ph pr-d/codeph ph codeph">test_gpai</code> 的编译后,板子上可直接运行
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<code class="+ topic/ph pr-d/codeph ph codeph">test_gpai</code>
命令:<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_ctl_y13_fdc" data-ofbid="id__codeblock_ctl_y13_fdc">test_gpai -h</pre><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_kxj_q4b_pdc" data-ofbid="id__codeblock_kxj_q4b_pdc">Compile time: Jul <span class="hl-number">21</span> <span class="hl-number">2023</span> <span class="hl-number">09</span>:<span class="hl-number">21</span>:<span class="hl-number">53</span>
Usage: test_gpai [options]:
-c, --channel Select one channel in [<span class="hl-number">0</span>, x], <strong class="hl-keyword">default</strong> is <span class="hl-number">0</span>
-t, --voltage Modify <strong class="hl-keyword">default</strong> voltage
-n, --number Set the number of samples
-h, --help
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Example: test_gpai -n <span class="hl-number">100</span> -c <span class="hl-number">4</span> -t <span class="hl-number">3</span></pre></div><ul class="- topic/ul ul" id="id__ul_l3c_r4b_pdc" data-ofbid="id__ul_l3c_r4b_pdc">
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<li class="- topic/li li" data-ofbid="d175612e117__20250519091524">
<div class="- topic/p p" data-ofbid="d175612e119__20250519091524">ADC 基准参考电压:通过 eFuse 获取的电压。不同产品系列的 ADC 基准参考电压如下所示:<div class="- topic/note note tip note_tip" id="id__note_vcl_qn3_ddc" data-ofbid="id__note_vcl_qn3_ddc"><span class="note__title">提示:</span>
<p class="- topic/p p" data-ofbid="d175612e123__20250519091524">无法获取 ADC 基准参考电压时,系统会返回信息提示 <samp class="+ topic/ph sw-d/systemoutput ph systemoutput sysout">Failed to
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get standard voltage</samp>,此时需执行
<span class="+ topic/keyword sw-d/cmdname keyword cmdname">-t, --voltage</span> 命令配置默认电压。</p>
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</div><ul class="- topic/ul ul simple" id="id__ul_bwj_513_fdc" data-ofbid="id__ul_bwj_513_fdc">
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<li class="- topic/li li" data-ofbid="d175612e134__20250519091524">
<p class="- topic/p p" data-ofbid="d175612e136__20250519091524">D21x: 3.0 V</p>
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</li>
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<li class="- topic/li li" data-ofbid="d175612e140__20250519091524">
<p class="- topic/p p" data-ofbid="d175612e142__20250519091524">D13x: 2.5 V</p>
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</li>
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<li class="- topic/li li" data-ofbid="d175612e146__20250519091524">
<p class="- topic/p p" data-ofbid="d175612e148__20250519091524">D12x: 2.5 V</p>
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</li>
</ul></div>
</li>
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<li class="- topic/li li" data-ofbid="d175612e154__20250519091524">
<p class="- topic/p p" data-ofbid="d175612e156__20250519091524">默认电压:无法通过 eFuse 获取电压时才使用的电压。默认电压配置为如上不同产品系列所对应的 ADC
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基准参考电压。</p>
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</li>
</ul></div>
</li>
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<li class="- topic/li li" data-ofbid="d175612e162__20250519091524">
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<div class="- topic/div div section" id="id__adc">
<strong class="+ topic/ph hi-d/b ph b">ADC 读取测试</strong>
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<div class="- topic/p p" data-ofbid="d175612e169__20250519091524">ADC 数据的读取可以使用 Shell 命令 <span class="+ topic/keyword sw-d/cmdname keyword cmdname">test_gpai</span>
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,每次可读取某一个通道中的当前数据。<ul class="- topic/ul ul" id="id__ul_o32_s4b_pdc" data-ofbid="id__ul_o32_s4b_pdc">
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<li class="- topic/li li" data-ofbid="d175612e176__20250519091524">
<div class="- topic/p p" data-ofbid="d175612e178__20250519091524">
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<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_r2l_s4b_pdc" data-ofbid="id__codeblock_r2l_s4b_pdc">test_gpai -n <span class="hl-number">1</span> -c <span class="hl-number">4</span></pre>
</div>
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_n4f_z13_fdc" data-ofbid="id__codeblock_n4f_z13_fdc">GPAI ch4: <span class="hl-number">2432</span>
GPAI ch4-voltage: <span class="hl-number">1.8043</span> v #未获取到 adc 基准参考电压时,采用默认电压(即 <span class="hl-string">"-t 所配置电压"</span>)进行计算</pre>
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</li>
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<li class="- topic/li li" data-ofbid="d175612e188__20250519091524">
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<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_pwz_s4b_pdc" data-ofbid="id__codeblock_pwz_s4b_pdc">test_gpai -n <span class="hl-number">1</span> -c <span class="hl-number">0</span></pre>
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_if5_w4b_pdc" data-ofbid="id__codeblock_if5_w4b_pdc">[W] hal_gpai_ch_is_valid()<span class="hl-number">320</span> Ch0 is unavailable! # GPAI0 通道没有打开</pre>
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</li>
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<li class="- topic/li li" data-ofbid="d175612e197__20250519091524">
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<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_znj_t4b_pdc" data-ofbid="id__codeblock_znj_t4b_pdc">test_gpai -c <span class="hl-number">4</span></pre>
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_r1q_w4b_pdc" data-ofbid="id__codeblock_r1q_w4b_pdc">Please set the number of samples # 需设置欲采样点数</pre>
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</li>
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<li class="- topic/li li" data-ofbid="d175612e206__20250519091524">
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<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_j1y_t4b_pdc" data-ofbid="id__codeblock_j1y_t4b_pdc">test_gpai -n <span class="hl-number">1</span> -c <span class="hl-number">4</span> -t <span class="hl-number">6</span></pre>
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_n5h_w4b_pdc" data-ofbid="id__codeblock_n5h_w4b_pdc">GPAI ch4: <span class="hl-number">2501</span>
GPAI ch4-voltage: <span class="hl-number">1.8043</span> v</pre>
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</li>
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<li class="- topic/li li" data-ofbid="d175612e215__20250519091524">
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<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_tzj_54b_pdc" data-ofbid="id__codeblock_tzj_54b_pdc">test_gpai -n <span class="hl-number">1</span> -t <span class="hl-number">6</span></pre>
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_jzk_x4b_pdc" data-ofbid="id__codeblock_jzk_x4b_pdc">Please select a channel first #设置 adc 基准参考电压前,需通过-c 选择通道</pre>
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</li>
</ul></div><div class="- topic/note note note note_note" id="id__note_u5n_xxv_12c" data-ofbid="id__note_u5n_xxv_12c"><span class="note__title">注:</span> 输入电压的范围需要在 0.05 V 至 (ADC 基准参考电压
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- 0.05 V) 之间才有效,否则系统会返回信息提示 <samp class="+ topic/ph sw-d/systemoutput ph systemoutput sysout">Out of the input voltage
range</samp></div></div>
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</li>
</ul>
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</div>
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</section>
<section class="- topic/section section" id="id__section_a1v_bb3_fdc" data-ofbid="id__section_a1v_bb3_fdc"><h2 class="- topic/title title sectiontitle">裸机环境</h2>
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<ul class="- topic/ul ul" id="id__ul_b2s_m4b_pdc" data-ofbid="id__ul_b2s_m4b_pdc">
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<li class="- topic/li li" data-ofbid="d175612e241__20250519091524">
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<div class="- topic/div div section" id="id__id8"><strong class="+ topic/ph hi-d/b ph b"><code class="+ topic/ph pr-d/codeph ph codeph">test_gpai</code> 测试</strong>
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<div class="- topic/p p" data-ofbid="d175612e249__20250519091524">在打开 <code class="+ topic/ph pr-d/codeph ph codeph">test_gpai</code> 的编译后,板子上可直接运行 <span class="+ topic/keyword sw-d/cmdname keyword cmdname">test_gpai</span>
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命令:<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_oxq_z13_fdc" data-ofbid="id__codeblock_oxq_z13_fdc">test_gpai</pre><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_xzf_h4b_pdc" data-ofbid="id__codeblock_xzf_h4b_pdc">Compile time: May <span class="hl-number">30</span> <span class="hl-number">2024</span> <span class="hl-number">16</span>:<span class="hl-number">08</span>:<span class="hl-number">54</span>
Usage: test_gpai [options]
test_gpai read &lt;channel_id&gt; : Select one channel in [<span class="hl-number">0</span>, <span class="hl-number">7</span>], <strong class="hl-keyword">default</strong> is <span class="hl-number">0</span>
test_gpai modify &lt;default_voltage&gt; : Modify <strong class="hl-keyword">default</strong> voltage
test_gpai set &lt;samples_number&gt; : Set the number of samples,<strong class="hl-keyword">default</strong> is <span class="hl-number">100</span>
test_gpai help : Get this help
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Example: test_gpai read <span class="hl-number">4</span></pre></div><ul class="- topic/ul ul" id="id__ul_d3y_3vv_12c" data-ofbid="id__ul_d3y_3vv_12c">
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<li class="- topic/li li" data-ofbid="d175612e263__20250519091524">
<div class="- topic/p p" data-ofbid="d175612e265__20250519091524">ADC 基准参考电压:通过 eFuse 获取的电压。不同产品系列的 ADC 基准参考电压如下所示:<ul class="- topic/ul ul simple" id="id__ul_dwj_513_fdc" data-ofbid="id__ul_dwj_513_fdc">
<li class="- topic/li li" data-ofbid="d175612e269__20250519091524">
<p class="- topic/p p" data-ofbid="d175612e271__20250519091524">D21x: 3.0 V</p>
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</li>
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<li class="- topic/li li" data-ofbid="d175612e275__20250519091524">
<p class="- topic/p p" data-ofbid="d175612e277__20250519091524">D13x: 2.5 V</p>
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</li>
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<li class="- topic/li li" data-ofbid="d175612e281__20250519091524">
<p class="- topic/p p" data-ofbid="d175612e283__20250519091524">D12x: 2.5 V</p>
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</li>
</ul></div>
</li>
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<li class="- topic/li li" data-ofbid="d175612e289__20250519091524">
<div class="- topic/p p" data-ofbid="d175612e291__20250519091524">默认电压:无法通过 eFuse 获取电压时才使用的电压。默认电压配置为如上不同产品系列所对应的 ADC 基准参考电压。<div class="- topic/note note tip note_tip" id="id__note_wcl_qn3_ddc" data-ofbid="id__note_wcl_qn3_ddc"><span class="note__title">提示:</span>
<p class="- topic/p p" data-ofbid="d175612e295__20250519091524">无法获取 ADC 基准参考电压时,系统会返回 <samp class="+ topic/ph sw-d/systemoutput ph systemoutput sysout">Failed to get
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standard voltage</samp>,此时需执行
<span class="+ topic/keyword sw-d/cmdname keyword cmdname">test_gpai modify</span> 命令配置默认电压。</p>
</div></div>
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</li>
</ul></div>
</li>
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<li class="- topic/li li" data-ofbid="d175612e308__20250519091524">
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<div class="- topic/div div section" id="id__id9">
<strong class="+ topic/ph hi-d/b ph b">ADC 读取测试</strong>
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<div class="- topic/p p" data-ofbid="d175612e315__20250519091524">ADC 数据的读取可以使用 shell 命令 <code class="+ topic/ph pr-d/codeph ph codeph">test_gpai</code> ,每次可读取某一个通道中的当前数据:<ul class="- topic/ul ul" id="id__ul_tjp_k4b_pdc" data-ofbid="id__ul_tjp_k4b_pdc">
<li class="- topic/li li" data-ofbid="d175612e322__20250519091524">
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<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_ap4_1b3_fdc" data-ofbid="id__codeblock_ap4_1b3_fdc">test_gpai read <span class="hl-number">7</span></pre>
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_mtt_34b_pdc" data-ofbid="id__codeblock_mtt_34b_pdc">[<span class="hl-number">1</span>] ch <span class="hl-number">7</span>: <span class="hl-number">670</span>
voltage : <span class="hl-number">0.4334</span> v
[<span class="hl-number">2</span>] ch <span class="hl-number">7</span>: <span class="hl-number">670</span>
voltage : <span class="hl-number">0.4334</span> v</pre>
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</li>
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<li class="- topic/li li" data-ofbid="d175612e331__20250519091524">
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<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_fbd_j4b_pdc" data-ofbid="id__codeblock_fbd_j4b_pdc">test_gpai read <span class="hl-number">0</span></pre>
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_gwm_j4b_pdc" data-ofbid="id__codeblock_gwm_j4b_pdc">[W] hal_gpai_ch_is_valid()<span class="hl-number">320</span> Ch0 is unavailable! # GPAI0 通道没有打开</pre>
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</li>
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<li class="- topic/li li" data-ofbid="d175612e340__20250519091524">
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<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_m1v_l4b_pdc" data-ofbid="id__codeblock_m1v_l4b_pdc">test_gpai set <span class="hl-number">4</span> # 设置欲采样点数</pre>
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</li>
</ul></div><div class="- topic/note note note note_note" id="id__note_z1m_byv_12c" data-ofbid="id__note_z1m_byv_12c"><span class="note__title">注:</span> 输入电压的范围需要在 0.05 V 至 (ADC 基准参考电压
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- 0.05 V) 之间才有效,否则系统会返回信息提示 <samp class="+ topic/ph sw-d/systemoutput ph systemoutput sysout">Out of the input voltage
range</samp></div></div>
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</li>
</ul>
</section>
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