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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/uart/uart_test.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">测试指南</h1><div class="date inPage">24 Dec 2024</div><div style="color: gray;">
Read time: 3 minute(s)
</div><div class="- topic/body concept/conbody body conbody"><p class="- topic/p p" data-ofbid="d284258e22__20250121171753">一般开发板的首要工作是调试。</p><div class="- topic/p p" data-ofbid="d284258e24__20250121171753">准备工作：<ul class="- topic/ul ul" id="uart_test_guide__ol_eg1_51z_21c" data-ofbid="uart_test_guide__ol_eg1_51z_21c"><li class="- topic/li li" data-ofbid="d284258e27__20250121171753">硬件：<ul class="- topic/ul ul" id="uart_test_guide__ul_vnm_v1z_21c" data-ofbid="uart_test_guide__ul_vnm_v1z_21c"><li class="- topic/li li" data-ofbid="d284258e30__20250121171753">PC：用于和开发板进行交互</li><li class="- topic/li li" data-ofbid="d284258e32__20250121171753">测试板：3 个以上 UART 端口的测试板</li><li class="- topic/li li" data-ofbid="d284258e34__20250121171753">连接线：用于连接 UART 的 RX/TX 端口</li></ul></li><li class="- topic/li li" data-ofbid="d284258e36__20250121171753">软件<ul class="- topic/ul ul" id="uart_test_guide__ul_ps5_x1z_21c" data-ofbid="uart_test_guide__ul_ps5_x1z_21c"><li class="- topic/li li" data-ofbid="d284258e39__20250121171753">PC 串口软件：用于 PC 和开发板进行串口通信</li><li class="- topic/li li" data-ofbid="d284258e41__20250121171753">test_uart：AIC 的 UART 测试工具，内嵌在 SDK 中，在根目录下通过 <span class="+ topic/keyword sw-d/cmdname keyword cmdname">make menuconfig</span>
可以选择编译到系统<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="uart_test_guide__codeblock_d41_z1z_21c" data-ofbid="uart_test_guide__codeblock_d41_z1z_21c">ArtInChip packages
Sample code
[*] test-uart</pre></li></ul></li></ul></div><div class="- topic/p p" data-ofbid="d284258e48__20250121171753">遵照以下步骤执行测试：<ol class="- topic/ol ol" id="uart_test_guide__ol_p45_z1z_21c" data-ofbid="uart_test_guide__ol_p45_z1z_21c"><li class="- topic/li li" data-ofbid="d284258e51__20250121171753">单端口的环路测试：<span class="- topic/ph ph">UARTn TX to UARTn RX</span><div class="- topic/p p" data-ofbid="d284258e55__20250121171753"><br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="uart_test_guide__image_nsy_r1z_21c" src="../../../images/uart/test-cycle.jpg" alt="test-cycle1"/></div><br/></div></li><li class="- topic/li li" data-ofbid="d284258e59__20250121171753">双端口的环路测试<p class="- topic/p p" data-ofbid="d284258e61__20250121171753">UARTn to UARTm</p><div class="- topic/p p" data-ofbid="d284258e63__20250121171753"><br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="uart_test_guide__image_psy_r1z_21c" src="../../../images/uart/test-topo.jpg" alt="test-topo"/></div><br/></div></li></ol></div><section class="- topic/section section" id="uart_test_guide__section_osy_r1z_21c" data-ofbid="uart_test_guide__section_osy_r1z_21c"><h2 class="- topic/title title sectiontitle">RS232 功能测试</h2>
<ul class="- topic/ul ul" id="uart_test_guide__ul_dty_bbz_21c" data-ofbid="uart_test_guide__ul_dty_bbz_21c"><li class="- topic/li li" data-ofbid="d284258e73__20250121171753">单端口收发<ul class="- topic/ul ul" id="uart_test_guide__ul_qsy_r1z_21c" data-ofbid="uart_test_guide__ul_qsy_r1z_21c"><li class="- topic/li li" data-ofbid="d284258e76__20250121171753">
<p class="- topic/p p" data-ofbid="d284258e78__20250121171753">按单端口的环路测试组网，环路 UART4 的 RX/TX</p>
</li><li class="- topic/li li" data-ofbid="d284258e81__20250121171753">
<div class="- topic/p p" data-ofbid="d284258e83__20250121171753">使用 test_uart
工具进行测试<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="uart_test_guide__codeblock_y5p_cbz_21c" data-ofbid="uart_test_guide__codeblock_y5p_cbz_21c">test_uart -C /dev/ttyS1 <span class="hl-number">9600</span>
Test Mode: <span class="hl-number">3</span>:Circle
Send Device : /dev/ttyS1
Receive Device : /dev/ttyS1
m_Baudrate : <span class="hl-number">9600</span>
send data is: <span class="hl-number">1234567890</span>artinchip0987654321
receive data is: <span class="hl-number">1234567890</span>artinchip0987654321</pre></div>
</li></ul></li><li class="- topic/li li" data-ofbid="d284258e88__20250121171753">双端口收发<ul class="- topic/ul ul" id="uart_test_guide__ul_wdh_dbz_21c" data-ofbid="uart_test_guide__ul_wdh_dbz_21c"><li class="- topic/li li" data-ofbid="d284258e91__20250121171753">
<p class="- topic/p p" data-ofbid="d284258e93__20250121171753">按双端口的环路测试组网，环路 UART4 和 UART5 的 RX/TX</p>
</li><li class="- topic/li li" data-ofbid="d284258e96__20250121171753">
<div class="- topic/p p" data-ofbid="d284258e98__20250121171753">使用 test_uart
工具进行测试<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="uart_test_guide__codeblock_l2n_dbz_21c" data-ofbid="uart_test_guide__codeblock_l2n_dbz_21c">test_uart -N /dev/ttyS4 /dev/ttyS5 <span class="hl-number">115200</span>
Test Mode: <span class="hl-number">0</span>:Normal Test
Device : /dev/ttyS4
Receive Device : /dev/ttyS5
m_Baudrate : <span class="hl-number">115200</span>
<span class="hl-number">1970</span>-<span class="hl-number">01</span>-<span class="hl-number">01</span> <span class="hl-number">08</span>:<span class="hl-number">24</span>:<span class="hl-number">46</span> =============================================
<span class="hl-number">1970</span>-<span class="hl-number">01</span>-<span class="hl-number">01</span> <span class="hl-number">08</span>:<span class="hl-number">24</span>:<span class="hl-number">46</span> Please input messages you want to send
thisisatest
<span class="hl-number">1970</span>-<span class="hl-number">01</span>-<span class="hl-number">01</span> <span class="hl-number">08</span>:<span class="hl-number">24</span>:<span class="hl-number">49</span> send data:thisisatest.
<span class="hl-number">1970</span>-<span class="hl-number">01</span>-<span class="hl-number">01</span> <span class="hl-number">08</span>:<span class="hl-number">24</span>:<span class="hl-number">49</span> receive data: len = <span class="hl-number">11</span>: thisisatest</pre></div>
</li></ul></li></ul>
</section><section class="- topic/section section" id="uart_test_guide__section_usy_r1z_21c" data-ofbid="uart_test_guide__section_usy_r1z_21c"><h2 class="- topic/title title sectiontitle">RS485 功能测试</h2>
<p class="- topic/p p" data-ofbid="d284258e109__20250121171753">RS485 的测试方式和 RS232 类似，有几点不同：</p>
<ul class="- topic/ul ul" id="uart_test_guide__ul_vsy_r1z_21c" data-ofbid="uart_test_guide__ul_vsy_r1z_21c"><li class="- topic/li li" data-ofbid="d284258e113__20250121171753">
<p class="- topic/p p" data-ofbid="d284258e115__20250121171753">端口需要配置为 RS485</p>
</li><li class="- topic/li li" data-ofbid="d284258e118__20250121171753">
<p class="- topic/p p" data-ofbid="d284258e120__20250121171753">RS485 需要有外接驱动芯片</p>
</li><li class="- topic/li li" data-ofbid="d284258e123__20250121171753">
<p class="- topic/p p" data-ofbid="d284258e125__20250121171753">RS485 为差分信号，因此需要 B+ 对 B+ 环路，B- 对 B- 环路</p>
</li><li class="- topic/li li" data-ofbid="d284258e128__20250121171753">
<p class="- topic/p p" data-ofbid="d284258e130__20250121171753">RS485 不能 B+ 环路 B-</p>
</li></ul>
<div class="- topic/p p" data-ofbid="d284258e134__20250121171753"><br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="uart_test_guide__image_wsy_r1z_21c" src="../../../images/uart/test-rs485.jpg" alt="test-rs4851"/></div><br/></div>
</section><section class="- topic/section section" id="uart_test_guide__section_xsy_r1z_21c" data-ofbid="uart_test_guide__section_xsy_r1z_21c"><h2 class="- topic/title title sectiontitle">兼容性测试</h2>
<div class="- topic/p p" data-ofbid="d284258e144__20250121171753">
<ul class="- topic/ul ul" id="uart_test_guide__ul_blv_2bz_21c" data-ofbid="uart_test_guide__ul_blv_2bz_21c"><li class="- topic/li li" data-ofbid="d284258e147__20250121171753">串口工具兼容性测试：应该测试在 RS232 模式下，调试口和如下工具的兼容性<ul class="- topic/ul ul" id="uart_test_guide__ul_ysy_r1z_21c" data-ofbid="uart_test_guide__ul_ysy_r1z_21c"><li class="- topic/li li" data-ofbid="d284258e150__20250121171753">
<p class="- topic/p p" data-ofbid="d284258e152__20250121171753">MobaXterm</p>
</li><li class="- topic/li li" data-ofbid="d284258e155__20250121171753">
<p class="- topic/p p" data-ofbid="d284258e157__20250121171753">SecureCRT</p>
</li><li class="- topic/li li" data-ofbid="d284258e160__20250121171753">
<p class="- topic/p p" data-ofbid="d284258e162__20250121171753">XShell</p>
</li><li class="- topic/li li" data-ofbid="d284258e165__20250121171753">
<p class="- topic/p p" data-ofbid="d284258e167__20250121171753">sscom</p>
</li></ul></li><li class="- topic/li li" data-ofbid="d284258e170__20250121171753">RS485 兼容性测试：应测试在 RS485 模式下，SoC 和通用 RS485 模组的兼容性</li></ul>
</div>
</section><section class="- topic/section section" id="uart_test_guide__section_aty_r1z_21c" data-ofbid="uart_test_guide__section_aty_r1z_21c"><h2 class="- topic/title title sectiontitle">压力测试</h2>
<p class="- topic/p p" data-ofbid="d284258e179__20250121171753">可借助于 test_uart 工具， 采用环路 UART4 和 UART5 的组网，进行压力测试。</p>
<div class="- topic/p p" data-ofbid="d284258e182__20250121171753">测试方法是短时间内进行大量数据的收发，因为 CPU 的读写速度远远高于 UART
的收发，因此可能会有丢包，但模块不应该出现卡死现象。<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="uart_test_guide__codeblock_elx_gbz_21c" data-ofbid="uart_test_guide__codeblock_elx_gbz_21c">test_uart -P /dev/ttyS4 /dev/ttyS5 <span class="hl-number">115200</span></pre><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="uart_test_guide__codeblock_thr_hds_5dc" data-ofbid="uart_test_guide__codeblock_thr_hds_5dc">Test Mode: <span class="hl-number">1</span>:Pressure Test
Send Device : /dev/ttyS4
Receive Device : /dev/ttyS5
m_Baudrate : <span class="hl-number">115200</span>
<span class="hl-number">1970</span>-<span class="hl-number">01</span>-<span class="hl-number">01</span> <span class="hl-number">08</span>:<span class="hl-number">55</span>:<span class="hl-number">22</span> type any key to send <span class="hl-number">100</span>KB</pre></div>
</section><section class="- topic/section section" id="uart_test_guide__section_cty_r1z_21c" data-ofbid="uart_test_guide__section_cty_r1z_21c"><h2 class="- topic/title title sectiontitle">稳定性测试</h2>
<p class="- topic/p p" data-ofbid="d284258e194__20250121171753">可借助于 test_uart 工具，采用环路 UART4 和 UART5 的组网，进行长时间的稳定性验证。</p>
<p class="- topic/p p" data-ofbid="d284258e197__20250121171753">测试方法是循环进行长时间的数据收发，确认模块是否正常工作和是否有丢包。</p>
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="uart_test_guide__codeblock_pjb_hbz_21c" data-ofbid="uart_test_guide__codeblock_pjb_hbz_21c">test_uart -S /dev/ttyS4 /dev/ttyS5 <span class="hl-number">115200</span></pre>
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="uart_test_guide__codeblock_r3y_hds_5dc" data-ofbid="uart_test_guide__codeblock_r3y_hds_5dc">Test Mode: <span class="hl-number">2</span>:Stability
Send Device : /dev/ttyS4
Receive Device : /dev/ttyS5
m_Baudrate : <span class="hl-number">115200</span>
<span class="hl-number">1970</span>-<span class="hl-number">01</span>-<span class="hl-number">01</span> <span class="hl-number">09</span>:<span class="hl-number">08</span>:<span class="hl-number">13</span> =============== sending =====================
<span class="hl-number">1970</span>-<span class="hl-number">01</span>-<span class="hl-number">01</span> <span class="hl-number">09</span>:<span class="hl-number">08</span>:<span class="hl-number">13</span> =============== receiving =====================
<span class="hl-number">1970</span>-<span class="hl-number">01</span>-<span class="hl-number">01</span> <span class="hl-number">09</span>:<span class="hl-number">08</span>:<span class="hl-number">21</span> send <span class="hl-number">64</span>K
<span class="hl-number">1970</span>-<span class="hl-number">01</span>-<span class="hl-number">01</span> <span class="hl-number">09</span>:<span class="hl-number">08</span>:<span class="hl-number">21</span> receive <span class="hl-number">64</span>K
<span class="hl-number">1970</span>-<span class="hl-number">01</span>-<span class="hl-number">01</span> <span class="hl-number">09</span>:<span class="hl-number">08</span>:<span class="hl-number">29</span> send <span class="hl-number">128</span>K
<span class="hl-number">1970</span>-<span class="hl-number">01</span>-<span class="hl-number">01</span> <span class="hl-number">09</span>:<span class="hl-number">08</span>:<span class="hl-number">29</span> receive <span class="hl-number">128</span>K</pre>
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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="#uart_test_guide__section_osy_r1z_21c" data-tocid="uart_test_guide__section_osy_r1z_21c">RS232 功能测试</a></div></li><li class="section-item"><div class="section-title"><a href="#uart_test_guide__section_usy_r1z_21c" data-tocid="uart_test_guide__section_usy_r1z_21c">RS485 功能测试</a></div></li><li class="section-item"><div class="section-title"><a href="#uart_test_guide__section_xsy_r1z_21c" data-tocid="uart_test_guide__section_xsy_r1z_21c">兼容性测试</a></div></li><li class="section-item"><div class="section-title"><a href="#uart_test_guide__section_aty_r1z_21c" data-tocid="uart_test_guide__section_aty_r1z_21c">压力测试</a></div></li><li class="section-item"><div class="section-title"><a href="#uart_test_guide__section_cty_r1z_21c" data-tocid="uart_test_guide__section_cty_r1z_21c">稳定性测试</a></div></li></ul></div>
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<title>footer def</title>
<style><!--
.p1 {
font-family: FangZhengShuSong, Times, serif;
}
.p2 {
font-family: Arial, Helvetica, sans-serif;
}
.p3 {
font-family: "Lucida Console", "Courier New", monospace;
}
--></style>
<div class="webhelp.fragment.footer">
<p class="p1">Copyright © 2019-2024 广东匠芯创科技有限公司. All rights reserved.</p>
</div><div>
<div class="generation_time">
Update Time: 2025-01-21
</div>
</div>
</div>
</footer>
<div id="go2top" class="d-print-none">
<span class="oxy-icon oxy-icon-up"></span>
</div>
<div id="modal_img_large" class="modal">
<span class="close oxy-icon oxy-icon-remove"></span>
<div id="modal_img_container"></div>
<div id="caption"></div>
</div>
<script src="${pd}/publishing/publishing-styles-AIC-template/js/custom.js" defer="defer"></script>
</body>
add doc v1.1.2
2025-01-23 16:37:00 +08:00
</html>
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