mirror of
https://gitee.com/Vancouver2017/luban-lite-t3e-pro.git
synced 2025-12-14 18:38:55 +00:00
216 lines
37 KiB
HTML
216 lines
37 KiB
HTML
|
<!DOCTYPE html><html xmlns="http://www.w3.org/1999/xhtml" xml:lang="zh-cn" lang="zh-cn" data-whc_version="26.0">
|
|||
|
|
<head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><meta name="description" content="PRGB 接口屏 现象一：黑屏 检查背光是否已亮 排除 1 后确定屏规格书是 SYNC 模式还是 DE 模式，检查硬件电路相关控制信号是否按照屏规格书要求完成上下拉 排除 1、2 后，测量 pixelclk 是否符合屏规格要求，pixelclk 计算公式如下： pixelclk = (hactive + hback-porch + hfront-porch + hsync-len) * ..."/><meta name="DC.rights.owner" content="(C) 版权 2025"/><meta name="copyright" content="(C) 版权 2025"/><meta name="generator" content="DITA-OT"/><meta name="DC.type" content="concept"/><meta name="DC.relation" content="../../../topics/sdk/display/display_user_guide_2.html"/><meta name="DC.relation" content="../../../topics/sdk/display/display_startup_ui.html"/><meta name="DC.relation" content="../../../topics/sdk/dvp/dvp_user_guide_2.html"/><meta name="DC.contributor" content="yan.wang"/><meta name="DC.contributor" content="yan.wang"/><meta name="DC.date.modified" content="2024-01-15"/><meta name="DC.format" content="HTML5"/><meta name="DC.identifier" content="concept_smb_cl3_pzb"/><meta name="DC.language" content="zh-CN"/><title>调屏常见问题</title><!-- Build number 2023110923. --><meta name="wh-path2root" content="../../../"/><meta name="wh-toc-id" content="concept_smb_cl3_pzb-d5856e3943"/><meta name="wh-source-relpath" content="topics/sdk/display/display_faq_screen.dita"/><meta name="wh-out-relpath" content="topics/sdk/display/display_faq_screen_2.html"/>
|
|||
|
|
|
|||
|
|
<link rel="stylesheet" type="text/css" href="../../../webhelp/app/commons.css?buildId=2023110923"/>
|
|||
|
|
<link rel="stylesheet" type="text/css" href="../../../webhelp/app/topic.css?buildId=2023110923"/>
|
|||
|
|
|
|||
|
|
<script src="../../../webhelp/app/options/properties.js?buildId=20250121171154"></script>
|
|||
|
|
<script src="../../../webhelp/app/localization/strings.js?buildId=2023110923"></script>
|
|||
|
|
<script src="../../../webhelp/app/search/index/keywords.js?buildId=20250121171154"></script>
|
|||
|
|
<script defer="defer" src="../../../webhelp/app/commons.js?buildId=2023110923"></script>
|
|||
|
|
<script defer="defer" src="../../../webhelp/app/topic.js?buildId=2023110923"></script>
|
|||
|
|
<link rel="stylesheet" type="text/css" href="../../../webhelp/template/aic-styles-web.css?buildId=2023110923"/><link rel="stylesheet" type="text/css" href="../../../webhelp/template/notes.css?buildId=2023110923"/><link rel="stylesheet" type="text/css" href="../../../webhelp/template/aic-common.css?buildId=2023110923"/><link rel="stylesheet" type="text/css" href="../../../webhelp/template/aic-images.css?buildId=2023110923"/><link rel="stylesheet" type="text/css" href="../../../webhelp/template/footnote.css?buildId=2023110923"/><link rel="stylesheet" type="text/css" href="../../../webhelp/template/aic-web-watermark.css?buildId=2023110923"/><link rel="stylesheet" type="text/css" href="../../../webhelp/template/topic-body-list.css?buildId=2023110923"/></head>
|
|||
|
|
|
|||
|
|
<body id="concept_smb_cl3_pzb" class="wh_topic_page frmBody">
|
|||
|
|
<a href="#wh_topic_body" class="sr-only sr-only-focusable">
|
|||
|
|
跳转到主要内容
|
|||
|
|
</a>
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
<header class="navbar navbar-default wh_header">
|
|||
|
|
<div class="container-fluid">
|
|||
|
|
<div class="wh_header_flex_container navbar-nav navbar-expand-md navbar-dark">
|
|||
|
|
<div class="wh_logo_and_publication_title_container">
|
|||
|
|
<div class="wh_logo_and_publication_title">
|
|||
|
|
|
|||
|
|
<a href="http://www.artinchip.com" class=" wh_logo d-none d-sm-block "><img src="../../../company-logo-white.png" alt="RTOS SDK 使用指南SDK 指南文件"/></a>
|
|||
|
|
<div class=" wh_publication_title "><a href="../../../index.html"><span class="booktitle"><span class="ph mainbooktitle">RTOS SDK 使用指南</span><span class="ph booktitlealt">SDK 指南文件</span></span></a></div>
|
|||
|
|
|
|||
|
|
</div>
|
|||
|
|
|
|||
|
|
|
|||
|
|
</div>
|
|||
|
|
|
|||
|
|
<div class="wh_top_menu_and_indexterms_link collapse navbar-collapse" id="wh_top_menu_and_indexterms_link">
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
</div>
|
|||
|
|
</div>
|
|||
|
|
</div>
|
|||
|
|
</header>
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
<div class=" wh_search_input navbar-form wh_topic_page_search search " role="form">
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
<form id="searchForm" method="get" role="search" action="../../../search.html"><div><input type="search" placeholder="搜索 " class="wh_search_textfield" id="textToSearch" name="searchQuery" aria-label="搜索查询" required="required"/><button type="submit" class="wh_search_button" aria-label="搜索"><span class="search_input_text">搜索</span></button></div></form>
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
</div>
|
|||
|
|
|
|||
|
|
<div class="container-fluid" id="wh_topic_container">
|
|||
|
|
<div class="row">
|
|||
|
|
|
|||
|
|
<nav class="wh_tools d-print-none navbar-expand-md" aria-label="Tools">
|
|||
|
|
|
|||
|
|
<div data-tooltip-position="bottom" class=" wh_breadcrumb "><ol class="d-print-none"><li><span class="home"><a href="../../../index.html"><span>主页</span></a></span></li><li><div class="topicref" data-id="id"><div class="title"><a href="../../../topics/sdk/chapter-advanced-app.html">高级应用</a><div class="wh-tooltip"><p class="shortdesc">系统、存储、多媒体、接口、安全等模块的详细配置和设计说明。</p></div></div></div></li><li><div class="topicref" data-id="concept_mcc_32s_nbc"><div class="title"><a href="../../../topics/chapter-title/chapter-multi-media-sdk.html">多媒体</a><div class="wh-tooltip"><p class="shortdesc">GE、VE、Display、DVP、MPP、MPP 播放器等多媒体模块的介绍和使用说明。</p></div></div></div></li><li><div class="topicref" data-id="id"><div class="title"><a href="../../../topics/sdk/display/display_user_guide_2.html">Display 使用指南</a></div></div></li><li class="active"><div class="topicref" data-id="concept_smb_cl3_pzb"><div class="title"><a href="../../../topics/sdk/display/display_faq_screen_2.html">调屏常见问题</a></div></div></li></ol></div>
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
<div class="wh_right_tools">
|
|||
|
|
<button class="wh_hide_highlight" aria-label="切换搜索突出显示" title="切换搜索突出显示"></button>
|
|||
|
|
<button class="webhelp_expand_collapse_sections" data-next-state="collapsed" aria-label="折叠截面" title="折叠截面"></button>
|
|||
|
|
<div class=" wh_navigation_links "><span id="topic_navigation_links" class="navheader">
|
|||
|
|
|
|||
|
|
<span class="navprev"><a class="- topic/link link" href="../../../topics/sdk/display/display_startup_ui.html" title="开机动画" aria-label="上一主题: 开机动画" rel="prev"></a></span>
|
|||
|
|
<span class="navnext"><a class="- topic/link link" href="../../../topics/sdk/dvp/dvp_user_guide_2.html" title="DVP 使用指南" aria-label="下一主题: DVP 使用指南" rel="next"></a></span> </span></div>
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
<div class=" wh_print_link print d-none d-md-inline-block "><button onClick="window.print()" title="打印此页" aria-label="打印此页"></button></div>
|
|||
|
|
|
|||
|
|
<button type="button" id="wh_toc_button" class="custom-toggler navbar-toggler collapsed wh_toggle_button navbar-light" aria-expanded="false" aria-label="Toggle publishing table of content" aria-controls="wh_publication_toc">
|
|||
|
|
<span class="navbar-toggler-icon"></span>
|
|||
|
|
</button>
|
|||
|
|
</div>
|
|||
|
|
|
|||
|
|
</nav>
|
|||
|
|
</div>
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
<div class="wh_content_area">
|
|||
|
|
<div class="row">
|
|||
|
|
|
|||
|
|
<nav id="wh_publication_toc" class="col-lg-3 col-md-3 col-sm-12 d-md-block d-none d-print-none" aria-label="Table of Contents Container">
|
|||
|
|
<div id="wh_publication_toc_content">
|
|||
|
|
|
|||
|
|
<div class=" wh_publication_toc " data-tooltip-position="right"><span class="expand-button-action-labels"><span id="button-expand-action" role="button" aria-label="Expand"></span><span id="button-collapse-action" role="button" aria-label="Collapse"></span><span id="button-pending-action" role="button" aria-label="Pending"></span></span><ul role="tree" aria-label="Table of Contents"><li role="treeitem"><div data-tocid="revinfo_linux-d5856e989" class="topicref" data-id="revinfo_linux" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/revinfo/revinfo_rtos.html" id="revinfo_linux-d5856e989-link">修订记录</a></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="id-d5856e1003" class="topicref" data-id="id" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action id-d5856e1003-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/env/sdk-compile.html" id="id-d5856e1003-link">SDK 编译</a><div class="wh-tooltip"><p class="shortdesc">介绍不同编译环境下 SDK 的详细编译流程。</p></div></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="id-d5856e1152" class="topicref" data-id="id" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action id-d5856e1152-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/advanced/sdk-usage.html" id="id-d5856e1152-link">使用指南</a><div class="wh-tooltip"><p class="shortdesc">系统镜像、编译选项、开发板、应用等相关的详细使用说明。</p></div></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="concept_rcx_czh_pzb-d5856e1416" class="topicref" data-id="concept_rcx_czh_pzb" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action concept_rcx_czh_pzb-d5856e1416-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/chapter-app.html" id="concept_rcx_czh_pzb-d5856e1416-link">应用场景</a><div class="wh-tooltip"><p class="shortdesc">描述了 SDK 在不同应用场景中的配置和使用，包括系统更新、OTA、安全方案等。</p></div></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="id-d5856e2119" class="topicref" data-id="id" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action id-d5856e2119-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/peripheral/peripheral-intro.html" id="id-d5856e2119-link">外设移植</a><div class="wh-tooltip"><p class="shortdesc"><span class="ph">CTP、U 盘、SD 卡、有线和无线网络</span>等外设的介绍和使用说明。</p></div></div></div></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" aria-labelledby="button-expand-action id-d5856e2244-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/bringup/chapter-bringup.html" id="id-d5856e2244-link">BringUp</a><div class="wh-tooltip"><p class="shortdesc">在硬件上电后快速初始化系统，为操作系统的启动准备好必要的硬件环境。</p></div></div></div></li><li role="treeitem" aria-expanded="true"><div data-tocid="id-d5856e2345" class="topicref" data-id="id" data-state="expanded"><span role="button" tabindex="0" aria-labelledby="button-collapse-action id-d5856e2345-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/chapter-advanced-app.html" id="id-d5856e2345-link">高级应用</a><div class="wh-tooltip"><p class="shortdesc">系统、存储、多媒体、接口、安全等模块的详细配置和设计说明。</p></div></div></div><ul role="group" class="navbar-nav nav-list"><li role="treeitem" aria-expanded="false"><div data-tocid="_0-d5856e2360" class="topicref" data-id="_0" data-state="not-ready"><spa
|
|||
|
|
|
|||
|
|
</div>
|
|||
|
|
</nav>
|
|||
|
|
|
|||
|
|
|
|||
|
|
<div class="col-lg-7 col-md-9 col-sm-12" id="wh_topic_body">
|
|||
|
|
<button id="wh_close_publication_toc_button" class="close-toc-button d-none" aria-label="Toggle publishing table of content" aria-controls="wh_publication_toc" aria-expanded="true">
|
|||
|
|
<span class="close-toc-icon-container">
|
|||
|
|
<span class="close-toc-icon"></span>
|
|||
|
|
</span>
|
|||
|
|
</button>
|
|||
|
|
<button id="wh_close_topic_toc_button" class="close-toc-button d-none" aria-label="Toggle topic table of content" aria-controls="wh_topic_toc" aria-expanded="true">
|
|||
|
|
<span class="close-toc-icon-container">
|
|||
|
|
<span class="close-toc-icon"></span>
|
|||
|
|
</span>
|
|||
|
|
</button>
|
|||
|
|
|
|||
|
|
<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/display/display_faq_screen.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">调屏常见问题</h1><div class="date inPage">15 Jan 2024</div><div style="color: gray;">
|
|||
|
|
Read time: 1 minute(s)
|
|||
|
|
</div><div class="- topic/body concept/conbody body conbody"><section class="- topic/section section" id="concept_smb_cl3_pzb__section_dch_llg_d1c" data-ofbid="concept_smb_cl3_pzb__section_dch_llg_d1c"><h2 class="- topic/title title sectiontitle">PRGB 接口屏</h2>
|
|||
|
|
|
|||
|
|
<div class="- topic/p p" data-ofbid="d267543e29__20250121171735">
|
|||
|
|
<ul class="- topic/ul ul" id="concept_smb_cl3_pzb__ul_bqh_mlg_d1c" data-ofbid="concept_smb_cl3_pzb__ul_bqh_mlg_d1c"><li class="- topic/li li" data-ofbid="d267543e32__20250121171735"><strong class="+ topic/ph hi-d/b ph b">现象一：黑屏</strong><ol class="- topic/ol ol" id="concept_smb_cl3_pzb__ol_qc4_rkg_d1c" data-ofbid="concept_smb_cl3_pzb__ol_qc4_rkg_d1c"><li class="- topic/li li" data-ofbid="d267543e36__20250121171735">检查背光是否已亮</li><li class="- topic/li li" data-ofbid="d267543e38__20250121171735">排除 1 后确定屏规格书是 SYNC 模式还是 DE 模式，检查硬件电路相关控制信号是否按照屏规格书要求完成上下拉</li><li class="- topic/li li" data-ofbid="d267543e40__20250121171735">排除 1、2 后，测量 pixelclk 是否符合屏规格要求，pixelclk 计算公式如下：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="concept_smb_cl3_pzb__codeblock_z2s_zc4_f1c" data-ofbid="concept_smb_cl3_pzb__codeblock_z2s_zc4_f1c">pixelclk = (hactive + hback-porch + hfront-porch + hsync-len)
|
|||
|
|
* (vactive + vback-porch + vfront-porch + vsync-len) * 帧率
|
|||
|
|
|
|||
|
|
时钟频率 = 有效+消隐的总时间 * 帧率</pre></li></ol></li><li class="- topic/li li" data-ofbid="d267543e44__20250121171735"><strong class="+ topic/ph hi-d/b ph b">现象二:花屏</strong><ol class="- topic/ol ol" id="concept_smb_cl3_pzb__ol_tc4_rkg_d1c" data-ofbid="concept_smb_cl3_pzb__ol_tc4_rkg_d1c"><li class="- topic/li li" data-ofbid="d267543e48__20250121171735">调整 pixelclk 频率</li><li class="- topic/li li" data-ofbid="d267543e50__20250121171735">调整 pixelclk 相位</li><li class="- topic/li li" data-ofbid="d267543e52__20250121171735">调整消隐区参数，主要是行方向消隐区</li></ol><div class="- topic/note note note note_note" id="concept_smb_cl3_pzb__note_srj_4lg_d1c" data-ofbid="concept_smb_cl3_pzb__note_srj_4lg_d1c"><span class="note__title">注：</span>
|
|||
|
|
<p class="- topic/p p" data-ofbid="d267543e56__20250121171735">如果图像显示存在斑点，在颜色渐变区域尤为明显，优先调整 pixelclk 时钟输出相位，RGB 接口支持 0, 90, 180, 270
|
|||
|
|
四个相位。</p>
|
|||
|
|
</div><div class="- topic/p p" data-ofbid="d267543e59__20250121171735">pixelclk 时钟相位对应 <span class="+ topic/ph sw-d/filepath ph filepath">board.dts</span>
|
|||
|
|
参数<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="concept_smb_cl3_pzb__codeblock_o4p_4lg_d1c" data-ofbid="concept_smb_cl3_pzb__codeblock_o4p_4lg_d1c">panel_rgb {
|
|||
|
|
...
|
|||
|
|
clock-phase = <DEGREE_<span class="hl-number">0</span>>;
|
|||
|
|
...
|
|||
|
|
}</pre></div></li><li class="- topic/li li" data-ofbid="d267543e66__20250121171735"><strong class="+ topic/ph hi-d/b ph b">现象三:起始位置错误</strong><ol class="- topic/ol ol" id="concept_smb_cl3_pzb__ol_xc4_rkg_d1c" data-ofbid="concept_smb_cl3_pzb__ol_xc4_rkg_d1c"><li class="- topic/li li" data-ofbid="d267543e70__20250121171735">调整 pixelclk 频率</li><li class="- topic/li li" data-ofbid="d267543e72__20250121171735">调整 pixelclk 相位</li><li class="- topic/li li" data-ofbid="d267543e74__20250121171735">调整消隐区参数，主要是行方向消隐区</li></ol></li><li class="- topic/li li" data-ofbid="d267543e76__20250121171735"><strong class="+ topic/ph hi-d/b ph b">现象四:闪烁</strong><ul class="- topic/ul ul" id="concept_smb_cl3_pzb__ol_yc4_rkg_d1c" data-ofbid="concept_smb_cl3_pzb__ol_yc4_rkg_d1c"><li class="- topic/li li" data-ofbid="d267543e80__20250121171735">增大 pixelclk 频率，提高帧率</li></ul></li></ul>
|
|||
|
|
</div>
|
|||
|
|
</section><section class="- topic/section section" id="concept_smb_cl3_pzb__section_sc4_rkg_d1c" data-ofbid="concept_smb_cl3_pzb__section_sc4_rkg_d1c"><h2 class="- topic/title title sectiontitle">LVDS 接口屏</h2>
|
|||
|
|
|
|||
|
|
<ul class="- topic/ul ul" id="concept_smb_cl3_pzb__ul_ks3_tlg_d1c" data-ofbid="concept_smb_cl3_pzb__ul_ks3_tlg_d1c"><li class="- topic/li li" data-ofbid="d267543e90__20250121171735">现象一：黑屏<ol class="- topic/ol ol" id="concept_smb_cl3_pzb__ol_zc4_rkg_d1c" data-ofbid="concept_smb_cl3_pzb__ol_zc4_rkg_d1c"><li class="- topic/li li" data-ofbid="d267543e93__20250121171735">检查背光是否已亮</li><li class="- topic/li li" data-ofbid="d267543e95__20250121171735">排除 1 后，检查 LVDS 通道是否连接正确，检查硬件电路相关控制信号是否按照屏规格书要求完成上下拉，检查屏规格书是 VESA 模式还是 JEIDA 模式</li><li class="- topic/li li" data-ofbid="d267543e97__20250121171735">排除 1、2 后，测量 pixelclk 是否符合屏规格要求，pixelclk 计算公式 vactive*hactive*60/(0.8)，其中系数 60 为帧率，系数 0.8 为消隐区系数;LVDS 接口中有一对时钟差分信号 CK，若为单通道，则实测 pixelclk=7ck;若为双通道，则实测 pixelclk=3.5ck;</li></ol></li><li class="- topic/li li" data-ofbid="d267543e99__20250121171735"><strong class="+ topic/ph hi-d/b ph b">现象二:花屏</strong><ol class="- topic/ol ol" id="concept_smb_cl3_pzb__ol_ad4_rkg_d1c" data-ofbid="concept_smb_cl3_pzb__ol_ad4_rkg_d1c"><li class="- topic/li li" data-ofbid="d267543e103__20250121171735">调整 pixelclk 频率</li><li class="- topic/li li" data-ofbid="d267543e105__20250121171735">调整消隐区参数，主要是行方向消隐区</li></ol></li><li class="- topic/li li" data-ofbid="d267543e107__20250121171735"><strong class="+ topic/ph hi-d/b ph b">现象三:起始位置错误</strong><ol class="- topic/ol ol" id="concept_smb_cl3_pzb__ol_bd4_rkg_d1c" data-ofbid="concept_smb_cl3_pzb__ol_bd4_rkg_d1c"><li class="- topic/li li" data-ofbid="d267543e111__20250121171735">调整 pixelclk 频率</li><li class="- topic/li li" data-ofbid="d267543e113__20250121171735">调整消隐区参数，主要是行方向消隐区</li></ol></li><li class="- topic/li li" data-ofbid="d267543e115__20250121171735"><strong class="+ topic/ph hi-d/b ph b">现象四:闪烁</strong><ul class="- topic/ul ul" id="concept_smb_cl3_pzb__ol_cd4_rkg_d1c" data-ofbid="concept_smb_cl3_pzb__ol_cd4_rkg_d1c"><li class="- topic/li li" data-ofbid="d267543e119__20250121171735">增大 pixelclk 频率，提高帧率</li></ul></li></ul>
|
|||
|
|
</section><section class="- topic/section section" id="concept_smb_cl3_pzb__section_kf1_wlg_d1c" data-ofbid="concept_smb_cl3_pzb__section_kf1_wlg_d1c"><h2 class="- topic/title title sectiontitle">DSI 接口屏</h2>
|
|||
|
|
|
|||
|
|
<div class="- topic/p p" data-ofbid="d267543e127__20250121171735">
|
|||
|
|
<ul class="- topic/ul ul" id="concept_smb_cl3_pzb__ul_ssv_wlg_d1c" data-ofbid="concept_smb_cl3_pzb__ul_ssv_wlg_d1c"><li class="- topic/li li" data-ofbid="d267543e130__20250121171735"><strong class="+ topic/ph hi-d/b ph b">现象一：黑屏</strong><ol class="- topic/ol ol" id="concept_smb_cl3_pzb__ol_dd4_rkg_d1c" data-ofbid="concept_smb_cl3_pzb__ol_dd4_rkg_d1c"><li class="- topic/li li" data-ofbid="d267543e134__20250121171735">检查背光是否已亮</li><li class="- topic/li li" data-ofbid="d267543e136__20250121171735">排除 1 后，检查硬件电路相关控制信号是否按照屏规格书要求完成上下拉。检查与屏的连接是否成功，通常使用读屏驱动 ID 检查。检查初始化流程是否正确，检查屏规格书是 Commad 模式还是 Video 模式</li><li class="- topic/li li" data-ofbid="d267543e138__20250121171735">排除 1、2 后，测量 pixelclk 是否符合屏规格要求，pixelclk 计算公式 vactive*hactive*60/(0.8)，其中系数 60 为帧率，系数 0.8 为消隐区系数</li></ol></li><li class="- topic/li li" data-ofbid="d267543e140__20250121171735"><strong class="+ topic/ph hi-d/b ph b">现象二:花屏</strong><ol class="- topic/ol ol" id="concept_smb_cl3_pzb__ol_ed4_rkg_d1c" data-ofbid="concept_smb_cl3_pzb__ol_ed4_rkg_d1c"><li class="- topic/li li" data-ofbid="d267543e144__20250121171735">检查屏数据格式，检查数据 lane 数量</li><li class="- topic/li li" data-ofbid="d267543e146__20250121171735">调整 pixelclk 频率</li><li class="- topic/li li" data-ofbid="d267543e148__20250121171735">调整消隐区参数，主要是行方向消隐区</li></ol></li><li class="- topic/li li" data-ofbid="d267543e150__20250121171735"><strong class="+ topic/ph hi-d/b ph b">现象三:起始位置错误</strong><ol class="- topic/ol ol" id="concept_smb_cl3_pzb__ol_fd4_rkg_d1c" data-ofbid="concept_smb_cl3_pzb__ol_fd4_rkg_d1c"><li class="- topic/li li" data-ofbid="d267543e154__20250121171735">调整 pixelclk 频率</li><li class="- topic/li li" data-ofbid="d267543e156__20250121171735">调整消隐区参数，主要是行方向消隐区</li></ol></li><li class="- topic/li li" data-ofbid="d267543e158__20250121171735"><strong class="+ topic/ph hi-d/b ph b">现象四:闪烁</strong><ul class="- topic/ul ul" id="concept_smb_cl3_pzb__ol_gd4_rkg_d1c" data-ofbid="concept_smb_cl3_pzb__ol_gd4_rkg_d1c"><li class="- topic/li li" data-ofbid="d267543e162__20250121171735">增大 pixelclk 频率，提高帧率</li></ul></li></ul>
|
|||
|
|
</div>
|
|||
|
|
</section></div></article></main></div>
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
</div>
|
|||
|
|
|
|||
|
|
<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="#concept_smb_cl3_pzb__section_dch_llg_d1c" data-tocid="concept_smb_cl3_pzb__section_dch_llg_d1c">PRGB 接口屏</a></div></li><li class="section-item"><div class="section-title"><a href="#concept_smb_cl3_pzb__section_sc4_rkg_d1c" data-tocid="concept_smb_cl3_pzb__section_sc4_rkg_d1c">LVDS 接口屏</a></div></li><li class="section-item"><div class="section-title"><a href="#concept_smb_cl3_pzb__section_kf1_wlg_d1c" data-tocid="concept_smb_cl3_pzb__section_kf1_wlg_d1c">DSI 接口屏</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>
|