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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/display/display_test_guide.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">测试指南</h1><div class="date inPage">13 Dec 2024</div><div style="color: gray;">
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Read time: 1 minute(s)
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</div><div class="- topic/body concept/conbody body conbody"><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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<ul class="- topic/ul ul" id="display_test_guide__ul_tr4_tzj_ndc" data-ofbid="display_test_guide__ul_tr4_tzj_ndc"><li class="- topic/li li" data-ofbid="d288605e28__20250121171756"><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="d288605e32__20250121171756">
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<p class="- topic/p p" data-ofbid="d288605e34__20250121171756">开发板，或者 D211 的 FPGA 板</p>
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</li><li class="- topic/li li" data-ofbid="d288605e37__20250121171756">
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<p class="- topic/p p" data-ofbid="d288605e39__20250121171756">可转接 LVDS 的子板</p>
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</li><li class="- topic/li li" data-ofbid="d288605e42__20250121171756">
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<p class="- topic/p p" data-ofbid="d288605e44__20250121171756">LVDS 屏幕，7 寸 TFT 屏幕，驱动芯片 EK79001+EK73215</p>
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</li></ul></li><li class="- topic/li li" data-ofbid="d288605e47__20250121171756"><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="d288605e51__20250121171756">
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<p class="- topic/p p" data-ofbid="d288605e53__20250121171756">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><li class="- topic/li li" data-ofbid="d288605e56__20250121171756">
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<p class="- topic/p p" data-ofbid="d288605e58__20250121171756">显示模块的测试 demo：<code class="+ topic/ph pr-d/codeph ph codeph">test_dmabuf</code></p>
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</li></ul></li></ul>
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</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>
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<p class="- topic/p p" data-ofbid="d288605e69__20250121171756">测试中需要用到 LVDS 屏幕，以驱动芯片 EK79001+EK73215 为例。</p>
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<div class="- topic/p p" data-ofbid="d288605e72__20250121171756">
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<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="d288605e75__20250121171756">在 <span class="- topic/ph ph">Luban-Lite</span> 的根目录下通过，按如下选择，使能 LVDS
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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">Linux
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Device Drivers
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Graphics support
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Frame buffer Devices
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<*> ArtInChip Framebuffer support
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[*] ArtInChip display lvds support
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<*> ArtInChip Framebuffer support
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ArtInChip Panel Drivers (ArtInChip general LVDS panel) ---></pre></li><li class="- topic/li li" data-ofbid="d288605e82__20250121171756">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="d288605e91__20250121171756">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="d288605e97__20250121171756">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>
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参数。</li><li class="- topic/li li" data-ofbid="d288605e103__20250121171756">
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<p class="- topic/p p" data-ofbid="d288605e105__20250121171756">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>
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<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">ArtInChip packages
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Sample code
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[*] test-dma-buf
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</pre>
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</li></ol>
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</div>
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</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>
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<p class="- topic/p p" data-ofbid="d288605e123__20250121171756"><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
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图层播放一个视频帧文件。</p>
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<div class="- topic/p p" data-ofbid="d288605e128__20250121171756">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
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<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="d288605e140__20250121171756">
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<div class="- topic/p p" data-ofbid="d288605e142__20250121171756">使用下列命令查看 <code class="+ topic/ph pr-d/codeph ph codeph">test_dmabuf</code>
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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">test_dmabuf -u</pre></div>
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<div class="- topic/p p" data-ofbid="d288605e150__20250121171756">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">Usage: test_dmabuf [options]:
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-w, --width need an integer argument
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-h, --height need an integer argument
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-f, --format video format, yuv420p etc
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-i, --input need a file name
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-u, --usage</pre></div>
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</li><li class="- topic/li li" data-ofbid="d288605e155__20250121171756">
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<div class="- topic/p p" data-ofbid="d288605e157__20250121171756">以播放一个 yuv420
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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">test_dmabuf -w <span class="hl-number">480</span> -h <span class="hl-number">320</span> -f yuv420p -i my.yuv</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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