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href="../../../topics/sdk/i2s/i2s_user_guide.html" id="i2s-d4445e5680-link">I2S 使用指南</a></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="audio_codec_user_guide-d4445e5806" class="topicref" data-id="audio_codec_user_guide" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action audio_codec_user_guide-d4445e5806-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/audio_codec/audio-codec-user-guide.html" id="audio_codec_user_guide-d4445e5806-link">Audio Codec 使用指南</a></div></div></li></ul></li><li role="treeitem" aria-expanded="false"><div data-tocid="concept_nww_hzh_pzb-d4445e5947" class="topicref" data-id="concept_nww_hzh_pzb" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action concept_nww_hzh_pzb-d4445e5947-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/chapter-title/chapter-interface-sdk.html" id="concept_nww_hzh_pzb-d4445e5947-link">接口</a><div class="wh-tooltip"><p class="shortdesc">CAN、CIR、GPAI、GPIO、I2C、PSADC、PWM 等接口模块的介绍和使用说明。</p></div></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="chapter-safety-d4445e7944" class="topicref" data-id="chapter-safety" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action chapter-safety-d4445e7944-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/chapter-title/chapter-safety-sdk.html" id="chapter-safety-d4445e7944-link">安全</a><div class="wh-tooltip"><p class="shortdesc">SPI ENC、CE、eFuse 等安全模块的介绍和使用说明。</p></div></div></div></li></ul></li></ul></div>
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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">
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<span class="edit-link" style="font-size:12px; opacity:0.6; text-align:right; vertical-align:middle"><a target="_blank" title="Edit this document" href="http://172.16.35.88/tasks/jdssno1uvvbf2mltu9kb9v3if05d5gopuakboe8hlud18rma/edit/F:/aicdita/aicdita-cn/topics/sdk/display/display_test_guide.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">15 Jan 2024</div><div style="color: gray;">
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Read time: 2 minute(s)
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</div>
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<div class="- topic/body concept/conbody body conbody">
|
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<section class="- topic/section section" id="display_test_guide__section_ssx_5yf_d1c" data-ofbid="display_test_guide__section_ssx_5yf_d1c"><h2 class="- topic/title title sectiontitle">测试环境</h2>
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|
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<ul class="- topic/ul ul" id="display_test_guide__ul_tr4_tzj_ndc" data-ofbid="display_test_guide__ul_tr4_tzj_ndc">
|
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<li class="- topic/li li" data-ofbid="d137726e40__20250123155213"><strong class="+ topic/ph hi-d/b ph b">硬件</strong><ul class="- topic/ul ul" id="display_test_guide__ul_ymj_tyf_d1c" data-ofbid="display_test_guide__ul_ymj_tyf_d1c">
|
||
<li class="- topic/li li" data-ofbid="d137726e45__20250123155213">
|
||
<p class="- topic/p p" data-ofbid="d137726e47__20250123155213">开发板，或者 D211 的 FPGA 板</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d137726e51__20250123155213">
|
||
<p class="- topic/p p" data-ofbid="d137726e53__20250123155213">可转接 LVDS 的子板</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d137726e57__20250123155213">
|
||
<p class="- topic/p p" data-ofbid="d137726e59__20250123155213">LVDS 屏幕，7 寸 TFT 屏幕，驱动芯片 EK79001+EK73215</p>
|
||
</li>
|
||
</ul></li>
|
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<li class="- topic/li li" data-ofbid="d137726e64__20250123155213"><strong class="+ topic/ph hi-d/b ph b">软件</strong><ul class="- topic/ul ul" id="display_test_guide__ul_zmj_tyf_d1c" data-ofbid="display_test_guide__ul_zmj_tyf_d1c">
|
||
<li class="- topic/li li" data-ofbid="d137726e69__20250123155213">
|
||
<p class="- topic/p p" data-ofbid="d137726e71__20250123155213">PC 端的串口终端软件，用于 PC 和开发板进行串口通信</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d137726e75__20250123155213">
|
||
<p class="- topic/p p" data-ofbid="d137726e77__20250123155213">显示模块的测试 demo：<code class="+ topic/ph pr-d/codeph ph codeph">test_dmabuf</code></p>
|
||
</li>
|
||
</ul></li>
|
||
</ul>
|
||
</section>
|
||
<section class="- topic/section section" id="display_test_guide__section_p1l_1zf_d1c" data-ofbid="display_test_guide__section_p1l_1zf_d1c"><h2 class="- topic/title title sectiontitle">软件配置</h2>
|
||
|
||
<p class="- topic/p p" data-ofbid="d137726e91__20250123155213">测试中需要用到 LVDS 屏幕，以驱动芯片 EK79001+EK73215 为例。</p>
|
||
<div class="- topic/p p" data-ofbid="d137726e94__20250123155213">
|
||
<ol class="- topic/ol ol" id="display_test_guide__ol_lly_bzf_d1c" data-ofbid="display_test_guide__ol_lly_bzf_d1c">
|
||
<li class="- topic/li li" data-ofbid="d137726e98__20250123155213">在 <span class="- topic/ph ph">Luban</span> 的根目录下通过<span class="+ topic/keyword sw-d/cmdname keyword cmdname">make linux-menuconfig</span>，按如下选择，使能 LVDS
|
||
屏幕驱动：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="display_test_guide__codeblock_rmq_2qn_f1c" data-ofbid="display_test_guide__codeblock_rmq_2qn_f1c"><code>Linux
|
||
Device Drivers
|
||
Graphics support
|
||
Frame buffer Devices
|
||
<*> ArtInChip Framebuffer support
|
||
[*] ArtInChip display lvds support
|
||
<*> ArtInChip Framebuffer support
|
||
ArtInChip Panel Drivers (ArtInChip general LVDS panel) ---></code></pre></li>
|
||
<li class="- topic/li li" data-ofbid="d137726e109__20250123155213">在 <span class="+ topic/ph sw-d/filepath ph filepath">board.dts</span> 中，修改下列 LVDS 相关配置。详情可查看 <a class="- topic/xref xref" href="display_parameter_panel_lvds.html">Panel_LVDS</a>。</li>
|
||
<li class="- topic/li li" data-ofbid="d137726e119__20250123155213">配置 <a class="- topic/xref xref" href="display_parameter_display_interface.html">Display Interface</a> 参数。</li>
|
||
<li class="- topic/li li" data-ofbid="d137726e126__20250123155213">配置 <a class="- topic/xref xref" href="display_parameter_display_interface.html#display_dts_parameter_display_interface__section_rn1_txf_d1c">LVDS Display Interface</a>
|
||
参数。</li>
|
||
<li class="- topic/li li" data-ofbid="d137726e133__20250123155213">
|
||
<p class="- topic/p p" data-ofbid="d137726e135__20250123155213">在 Luban 根目录，运行 menuconfig，按如下选择，使能 <code class="+ topic/ph pr-d/codeph ph codeph">test_dmabuf</code>：</p>
|
||
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="display_test_guide__pre_hnj_tyf_d1c" data-ofbid="display_test_guide__pre_hnj_tyf_d1c"><code>ArtInChip packages
|
||
Sample code
|
||
[*] test-dma-buf
|
||
</code></pre>
|
||
</li>
|
||
</ol>
|
||
</div>
|
||
</section>
|
||
<section class="- topic/section section" id="display_test_guide__section_inj_tyf_d1c" data-ofbid="display_test_guide__section_inj_tyf_d1c"><h2 class="- topic/title title sectiontitle"><code class="+ topic/ph pr-d/codeph ph codeph">test_dmabuf</code> 测试</h2>
|
||
|
||
<p class="- topic/p p" data-ofbid="d137726e155__20250123155213"><code class="+ topic/ph pr-d/codeph ph codeph">test_dmabuf</code> 的主要功能是测试显示引擎 UI 图层和 Videv 图层 blend，在 Video
|
||
图层播放一个视频帧文件。</p>
|
||
<div class="- topic/p p" data-ofbid="d137726e160__20250123155213">在打开 <code class="+ topic/ph pr-d/codeph ph codeph">test_dmabuf</code> 的编译后，板子上的 <code class="+ topic/ph pr-d/codeph ph codeph">test_dmabuf</code> 位于
|
||
<span class="+ topic/ph sw-d/filepath ph filepath">/usr/local/bin/</span>，无需进入该目录，直接运行命令即可。<ul class="- topic/ul ul" id="display_test_guide__ul_hgj_dbk_ndc" data-ofbid="display_test_guide__ul_hgj_dbk_ndc">
|
||
<li class="- topic/li li" data-ofbid="d137726e173__20250123155213">
|
||
<div class="- topic/p p" data-ofbid="d137726e175__20250123155213">使用下列命令查看 <code class="+ topic/ph pr-d/codeph ph codeph">test_dmabuf</code>
|
||
的使用选项：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="display_test_guide__codeblock_jdh_2bk_ndc" data-ofbid="display_test_guide__codeblock_jdh_2bk_ndc"><code>test_dmabuf -u</code></pre></div>
|
||
<div class="- topic/p p" data-ofbid="d137726e183__20250123155213">输出示例如下：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="display_test_guide__codeblock_kmy_fbk_ndc" data-ofbid="display_test_guide__codeblock_kmy_fbk_ndc"><code>Usage: test_dmabuf [options]:
|
||
-w, --width need an integer argument
|
||
-h, --height need an integer argument
|
||
-f, --format video format, yuv420p etc
|
||
-i, --input need a file name
|
||
-u, --usage</code></pre></div>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d137726e189__20250123155213">
|
||
<div class="- topic/p p" data-ofbid="d137726e191__20250123155213">以播放一个 yuv420
|
||
格式的文件为例，命令如下：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="display_test_guide__codeblock_twv_hbk_ndc" data-ofbid="display_test_guide__codeblock_twv_hbk_ndc"><code>test_dmabuf -w <span class="hl-number">480</span> -h <span class="hl-number">320</span> -f yuv420p -i my.yuv</code></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="#display_test_guide__section_ssx_5yf_d1c" data-tocid="display_test_guide__section_ssx_5yf_d1c">测试环境</a></div></li><li class="section-item"><div class="section-title"><a href="#display_test_guide__section_p1l_1zf_d1c" data-tocid="display_test_guide__section_p1l_1zf_d1c">软件配置</a></div></li><li class="section-item"><div class="section-title"><a href="#display_test_guide__section_inj_tyf_d1c" data-tocid="display_test_guide__section_inj_tyf_d1c"><code class="+ topic/ph pr-d/codeph ph codeph">test_dmabuf</code> 测试</a></div></li></ul></div>
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