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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_parameter_display_engine.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">Display Engine</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"><div class="- topic/p p" data-ofbid="d176015e22__20250121171622">
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<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="display_dts_parameter_display_engine__codeblock_efv_dyf_d1c" data-ofbid="display_dts_parameter_display_engine__codeblock_efv_dyf_d1c">&de0 {
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status = <span class="hl-string">"okay"</span>;
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port@<span class="hl-number">0</span> {
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reg = <<span class="hl-number">0</span>>;
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de0_in: endpoint {
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remote-endpoint = <&fb0_out>;
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};
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};
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port@<span class="hl-number">1</span> {
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reg = <<span class="hl-number">1</span>>;
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de0_out: endpoint {
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remote-endpoint = <&lvds0_in>;
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};
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};
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};</pre>
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<div class="table-container"><table class="- topic/table table frame-all" id="display_dts_parameter_display_engine__table_jfj_jys_ldc" data-ofbid="display_dts_parameter_display_engine__table_jfj_jys_ldc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 1</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">MIPI-DBI Display Interface 参数描述</span></caption><colgroup><col style="width:20.370370370370374%"/><col style="width:79.62962962962962%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="display_dts_parameter_display_engine__table_jfj_jys_ldc__entry__1">参数名称</th><th class="- topic/entry entry colsep-0 rowsep-1" id="display_dts_parameter_display_engine__table_jfj_jys_ldc__entry__2">描述</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_engine__table_jfj_jys_ldc__entry__1">port@0</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_dts_parameter_display_engine__table_jfj_jys_ldc__entry__2">数据输入端口，连接 display engine 结点</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_engine__table_jfj_jys_ldc__entry__1">port@1</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_dts_parameter_display_engine__table_jfj_jys_ldc__entry__2">数据输出端口，连接到 interface 结点。上述代码示例，表示连接到 lvds 结点。</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_engine__table_jfj_jys_ldc__entry__1">tearing-effect</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_dts_parameter_display_engine__table_jfj_jys_ldc__entry__2">tearing effetc 模式，支持 bypass / hold / auto
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三种模式。三种模式的宏定义取值，可查看<a class="- topic/xref xref" href="display_parameter_display_engine.html#display_dts_parameter_display_engine__table_kjj_cyf_d1c">tearing effetc 模式宏定义取值</a>。</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="display_dts_parameter_display_engine__table_jfj_jys_ldc__entry__1">te-pulse-width</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="display_dts_parameter_display_engine__table_jfj_jys_ldc__entry__2">TE 信号的脉冲宽度，设置其脉冲宽度等于多少个 pixel clock cycle</td></tr></tbody></table></div>
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<div class="table-container"><table class="- topic/table table frame-all" id="display_dts_parameter_display_engine__table_kjj_cyf_d1c" data-ofbid="display_dts_parameter_display_engine__table_kjj_cyf_d1c" data-cols="4"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 2</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">tearing effetc 模式宏定义取值</span></caption><colgroup><col style="width:20.611916264090176%"/><col style="width:21.73913043478261%"/><col style="width:16.10305958132045%"/><col style="width:41.54589371980676%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="display_dts_parameter_display_engine__table_kjj_cyf_d1c__entry__1">tearing effect mode</th><th class="- topic/entry entry colsep-1 rowsep-1" id="display_dts_parameter_display_engine__table_kjj_cyf_d1c__entry__2">macro</th><th class="- topic/entry entry colsep-1 rowsep-1" id="display_dts_parameter_display_engine__table_kjj_cyf_d1c__entry__3">value</th><th class="- topic/entry entry colsep-0 rowsep-1" id="display_dts_parameter_display_engine__table_kjj_cyf_d1c__entry__4">备注</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_engine__table_kjj_cyf_d1c__entry__1">bypass</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_engine__table_kjj_cyf_d1c__entry__2">TE_BYPASS</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_engine__table_kjj_cyf_d1c__entry__3">0</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_dts_parameter_display_engine__table_kjj_cyf_d1c__entry__4">连续模式，持续刷新，不启用 te</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_engine__table_kjj_cyf_d1c__entry__1">hold</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_engine__table_kjj_cyf_d1c__entry__2">TE_HOLD</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_engine__table_kjj_cyf_d1c__entry__3">1</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_dts_parameter_display_engine__table_kjj_cyf_d1c__entry__4">单帧模式，需要手动刷新</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="display_dts_parameter_display_engine__table_kjj_cyf_d1c__entry__1">auto</td><td class="- topic/entry entry colsep-1 rowsep-0" headers="display_dts_parameter_display_engine__table_kjj_cyf_d1c__entry__2">TE_AUTO</td><td class="- topic/entry entry colsep-1 rowsep-0" headers="display_dts_parameter_display_engine__table_kjj_cyf_d1c__entry__3">2</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="display_dts_parameter_display_engine__table_kjj_cyf_d1c__entry__4">自动单帧模式， 接受到 te 信号后刷新一帧数据</td></tr></tbody></table></div>
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