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aria-expanded="true"><div data-tocid="id-d5856e2148" class="topicref" data-id="id" data-state="expanded"><span role="button" tabindex="0" aria-labelledby="button-collapse-action id-d5856e2148-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/peripheral/touch.html" id="id-d5856e2148-link">CTP 移植指南</a></div></div><ul role="group" class="navbar-nav nav-list"><li role="treeitem"><div data-tocid="touch-migrate-ctp-process-d5856e2160" class="topicref" data-id="touch-migrate-ctp-process" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/peripheral/touch-migrate-ctp-process.html" id="touch-migrate-ctp-process-d5856e2160-link">新建 CTP 驱动</a></div></div></li><li role="treeitem"><div data-tocid="ctp-drive-migrate-demo-d5856e2172" class="topicref" data-id="ctp-drive-migrate-demo" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a 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data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/peripheral/touch-configure.html" id="touch-configure-d5856e2208-link">测试指南</a></div></div></li><li role="treeitem" class="active"><div data-tocid="touch_faq-d5856e2220" class="topicref" data-id="touch_faq" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/peripheral/touch-faq.html" id="touch_faq-d5856e2220-link">常见问题</a></div></div></li></ul></li><li role="treeitem"><div data-tocid="id-d5856e2232" class="topicref" data-id="id" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/peripheral/wifi.html" id="id-d5856e2232-link">无线网络</a></div></div></li></ul></li><li role="treeitem" aria-expanded="false"><div data-tocid="id-d5856e2244" class="topicref" data-id="id" data-state="not-ready"><span role="button" tabindex="0" 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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://172.16.35.88/tasks/jdssno1uvvbf2mltu9kb9v3if05d5gopuakboe8hlud18rma/edit/F:/aicdita/aicdita-cn/topics/sdk/peripheral/touch-faq.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">常见问题</h1><div class="date inPage">15 Jan 2024</div><div style="color: gray;">
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Read time: 1 minute(s)
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</div><div class="- topic/body body"><section class="- topic/section section" id="touch_faq__section_kvf_3z1_b2c" data-ofbid="touch_faq__section_kvf_3z1_b2c"><h2 class="- topic/title title sectiontitle">使用 <code class="+ topic/ph pr-d/codeph ph codeph">i2c-tools</code> 扫描不到任何从机地址</h2>
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<p class="- topic/p p" data-ofbid="d251291e34__20250121171703">通过下列方式，检查硬件：</p>
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<ul class="- topic/ul ul" id="touch_faq__ul_qny_3z1_b2c" data-ofbid="touch_faq__ul_qny_3z1_b2c"><li class="- topic/li li" data-ofbid="d251291e38__20250121171703">
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<p class="- topic/p p" data-ofbid="d251291e40__20250121171703">检查 I2C 的 SDA SCL 是否上拉到 3.3 V，I2C 空闲时是否为高电平（推荐上拉电阻 4.7 KΩ）。</p>
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</li><li class="- topic/li li" data-ofbid="d251291e43__20250121171703">
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<p class="- topic/p p" data-ofbid="d251291e45__20250121171703">检查 I2C 的引脚复用，查看是否有引脚冲突。</p>
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</li><li class="- topic/li li" data-ofbid="d251291e48__20250121171703">
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<p class="- topic/p p" data-ofbid="d251291e50__20250121171703">检查硬件连接是否正常，SDA SCL 是否对应连接。</p>
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</li></ul>
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</section><section class="- topic/section section" id="touch_faq__section_rmp_lz1_b2c" data-ofbid="touch_faq__section_rmp_lz1_b2c"><h2 class="- topic/title title sectiontitle">触摸不正常</h2>
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<p class="- topic/p p" data-ofbid="d251291e59__20250121171703">触摸不正常一般会有以下两种情况：</p>
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<ul class="- topic/ul ul" id="touch_faq__ul_rxz_lz1_b2c" data-ofbid="touch_faq__ul_rxz_lz1_b2c"><li class="- topic/li li" data-ofbid="d251291e63__20250121171703">
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<p class="- topic/p p" data-ofbid="d251291e65__20250121171703">UI 响应位置和触摸点位置不对应</p>
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</li><li class="- topic/li li" data-ofbid="d251291e68__20250121171703">
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<p class="- topic/p p" data-ofbid="d251291e70__20250121171703">触摸没有任何反应</p>
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</li></ul>
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<div class="- topic/p p" data-ofbid="d251291e74__20250121171703">使用以下方法排查：<ol class="- topic/ol ol" id="touch_faq__ol_y4z_nz1_b2c" data-ofbid="touch_faq__ol_y4z_nz1_b2c"><li class="- topic/li li" data-ofbid="d251291e77__20250121171703">
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<p class="- topic/p p" data-ofbid="d251291e79__20250121171703">打开 TP 的测试程序</p>
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<pre class="- topic/pre pre" id="touch_faq__codecell0" data-ofbid="touch_faq__codecell0">Drivers examples --->
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[*] Enable touch panel driver test command</pre>
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</li><li class="- topic/li li" data-ofbid="d251291e85__20250121171703">
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<p class="- topic/p p" data-ofbid="d251291e87__20250121171703">单跑 TP 检查坐标值，确认事件等是否正常上报。</p>
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</li><li class="- topic/li li" data-ofbid="d251291e90__20250121171703">
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<p class="- topic/p p" data-ofbid="d251291e92__20250121171703">用示波器检查 <code class="+ topic/ph pr-d/codeph ph codeph">int</code> 引脚的电平信号，点击屏幕时 <code class="+ topic/ph pr-d/codeph ph codeph">int</code>
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引脚电平是否发生变化。</p>
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</li><li class="- topic/li li" data-ofbid="d251291e101__20250121171703">
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<p class="- topic/p p" data-ofbid="d251291e103__20250121171703">用逻辑分析仪检查 <code class="+ topic/ph pr-d/codeph ph codeph">sda</code>
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<code class="+ topic/ph pr-d/codeph ph codeph">scl</code> 的时钟和数据线的信号，通过硬件波形计算坐标值，看是否是软件处理流程不对。</p>
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</li></ol></div>
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</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">
|
||
<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="#touch_faq__section_kvf_3z1_b2c" data-tocid="touch_faq__section_kvf_3z1_b2c">使用 <code class="+ topic/ph pr-d/codeph ph codeph">i2c-tools</code> 扫描不到任何从机地址</a></div></li><li class="section-item"><div class="section-title"><a href="#touch_faq__section_rmp_lz1_b2c" data-tocid="touch_faq__section_rmp_lz1_b2c">触摸不正常</a></div></li></ul></div>
|
||
|
||
</div>
|
||
</nav>
|
||
|
||
</div>
|
||
</div>
|
||
|
||
|
||
|
||
</div>
|
||
<footer class="navbar navbar-default wh_footer">
|
||
<div class=" footer-container mx-auto ">
|
||
<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>
|
||
</html> |