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href="../../../topics/sdk/i2s/i2s_user_guide.html" id="i2s-d3752e4709-link">I2S 使用指南</a></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="ve-d3752e4835" class="topicref" data-id="ve" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action ve-d3752e4835-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/ve/ve-user-guide.html" id="ve-d3752e4835-link">VE 使用指南</a></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="mpp-d3752e4907" class="topicref" data-id="mpp" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action mpp-d3752e4907-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/mpp/mpp_user_guide.html" id="mpp-d3752e4907-link">MPP 使用指南</a></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="mpp_0-d3752e5061" class="topicref" data-id="mpp_0" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action mpp_0-d3752e5061-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/mpp/mpp_player_user_guide.html" id="mpp_0-d3752e5061-link">MPP 播放器使用指南</a></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="id-d3752e5159" class="topicref" data-id="id" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action id-d3752e5159-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/mpp/mpp_recorder_user_guide.html" id="id-d3752e5159-link">MPP 录像使用指南</a></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="id-d3752e5243" class="topicref" data-id="id" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action id-d3752e5243-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/mpp/mini_audio_player_user_guide.html" id="id-d3752e5243-link">MPP 音频播放器使用指南</a></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="id-d3752e5328" class="topicref" data-id="id" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action id-d3752e5328-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/lvgl/lvgl_introduction.html" id="id-d3752e5328-link">LVGL 使用指南</a></div></div></li></ul></li><li role="treeitem" aria-expanded="false"><div data-tocid="concept_nww_hzh_pzb-d3752e5544" 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-d3752e5544-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/chapter-title/chapter-interface-sdk.html" id="concept_nww_hzh_pzb-d3752e5544-link">接口</a><div class="wh-tooltip"><p class="shortdesc">CAN<span class="ph">、CAP</span>、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-d3752e6799" class="topicref" data-id="chapter-safety" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action chapter-safety-d3752e6799-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/chapter-title/chapter-safety-sdk.html" id="chapter-safety-d3752e6799-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 topic" 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" href="http://aicdocco/taskstopics/sdk/display/disp_conf_h.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">disp_conf 头文件配置</h1>
|
||
<div class="date inPage">16 May 2025</div><div style="color: gray;">
|
||
Read time: 3 minute(s)
|
||
</div>
|
||
<div class="- topic/body body">
|
||
|
||
<p class="- topic/p p" data-ofbid="d190068e28__20250519091526">在显示驱动中，<code class="+ topic/ph pr-d/codeph ph codeph">disp_conf.h</code> 头文件用于配置显示接口的宏定义。引入 <code class="+ topic/ph pr-d/codeph ph codeph">disp_conf.h</code>
|
||
头文件是为了避免 menuconfig 参数过多导致误改。这部分参数可方便 PCB layout
|
||
走线，配置有误会导致显示异常。推荐在硬件工程师的确认下，结合芯片手册进行修改。</p>
|
||
<p class="- topic/p p" data-ofbid="d190068e37__20250519091526">本节介绍了常见的 <a class="- topic/xref xref" href="disp_conf_h.html#id__section_b53_vcx_ddc">LVDS</a>
|
||
和 <a class="- topic/xref xref" href="disp_conf_h.html#id__section_iwq_vcx_ddc">MIPI-DSI</a>
|
||
参数及其配置。</p>
|
||
|
||
<section class="- topic/section section" id="id__section_b53_vcx_ddc" data-ofbid="id__section_b53_vcx_ddc"><h2 class="- topic/title title sectiontitle">LVDS 参数</h2>
|
||
|
||
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_mfv_hdx_ddc" data-ofbid="id__codeblock_mfv_hdx_ddc"><em class="hl-comment">/* lvds link swap enable, swap lvds link0 and link1 */</em>
|
||
#<span class="hl-directive">define</span> AIC_LVDS_LINK_SWAP_EN <span class="hl-number">0</span>
|
||
|
||
<span class="hl-tag-doctype-comment">/**
|
||
* lvds channel output order
|
||
*
|
||
* works on both link0 and link1 (if exists)
|
||
*
|
||
* default D3 CK D2 D1 D0
|
||
* 4 3 2 1 0
|
||
*/</span>
|
||
#<span class="hl-directive">define</span> AIC_LVDS_LINES <span class="hl-number">0x43210</span>
|
||
|
||
<span class="hl-tag-doctype-comment">/**
|
||
* lvds channel polarities, works on both link0 and link1 (if exists)
|
||
*/</span>
|
||
#<span class="hl-directive">define</span> AIC_LVDS_POL <span class="hl-number">0x0</span>
|
||
|
||
<span class="hl-tag-doctype-comment">/**
|
||
* lvds channel phy config, works on both link0 and link1 (if exists)
|
||
*/</span>
|
||
#<span class="hl-directive">define</span> AIC_LVDS_PHY <span class="hl-number">0xFA</span></pre>
|
||
|
||
</section>
|
||
|
||
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="id__table_mrr_n2x_ddc" data-ofbid="id__table_mrr_n2x_ddc" data-cols="3"><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">LVDS 参数详细描述</span></caption><colgroup><col style="width:27.272727272727277%"/><col style="width:25.252525252525253%"/><col style="width:47.474747474747474%"/></colgroup><thead class="- topic/thead thead">
|
||
<tr class="- topic/row">
|
||
<th class="- topic/entry entry colsep-0 rowsep-0" id="id__table_mrr_n2x_ddc__entry__1"><p class="- topic/p p" data-ofbid="d190068e75__20250519091526">参数名称</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-0" id="id__table_mrr_n2x_ddc__entry__2"><p class="- topic/p p" data-ofbid="d190068e79__20250519091526">功能定义</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-0" id="id__table_mrr_n2x_ddc__entry__3"><p class="- topic/p p" data-ofbid="d190068e83__20250519091526">备注</p></th>
|
||
</tr>
|
||
</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_mrr_n2x_ddc__entry__1"><p class="- topic/p p" data-ofbid="d190068e93__20250519091526">AIC_LVDS_SYNC_MODE_EN</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_mrr_n2x_ddc__entry__2"><p class="- topic/p p" data-ofbid="d190068e99__20250519091526">LVDS 同步前端信号模式使能。</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_mrr_n2x_ddc__entry__3"><p class="- topic/p p" data-ofbid="d190068e103__20250519091526"> 防止前端给到半帧数据时打开 LVDS 模块，出现显示异常，不推荐关闭。</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_mrr_n2x_ddc__entry__1"><p class="- topic/p p" data-ofbid="d190068e110__20250519091526">AIC_LVDS_LINK_SWAP_EN</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_mrr_n2x_ddc__entry__2"><p class="- topic/p p" data-ofbid="d190068e114__20250519091526">LVDS Link 互换使能，Link 0 通道与 Link 1 通道输出互换</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_mrr_n2x_ddc__entry__3"><p class="- topic/p p" data-ofbid="d190068e118__20250519091526">默认值：禁用 (0)</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_mrr_n2x_ddc__entry__1"><p class="- topic/p p" data-ofbid="d190068e125__20250519091526">AIC_LVDS_LINES</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_mrr_n2x_ddc__entry__2"><p class="- topic/p p" data-ofbid="d190068e129__20250519091526">LVDS Link 通道内输出选择。</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_mrr_n2x_ddc__entry__3"><div class="- topic/p p" data-ofbid="d190068e133__20250519091526">控制 LVDS Link 内部五个通道的差分信号输出，允许五对差分信号任意互换：<ul class="- topic/ul ul" id="id__ul_h1x_fdx_ddc" data-ofbid="id__ul_h1x_fdx_ddc">
|
||
<li class="- topic/li li" data-ofbid="d190068e137__20250519091526">默认值：0x43210</li>
|
||
<li class="- topic/li li" data-ofbid="d190068e140__20250519091526">五个通道：D3 CK D2 D1 D0。</li>
|
||
<li class="- topic/li li" data-ofbid="d190068e143__20250519091526">0x43210：缺省值，<strong class="+ topic/ph hi-d/b ph b">4 个 bit</strong> 表示一个通道。D3 通道输出 D3，CK 通道输出 CK，D2 通道输出
|
||
D2，D1 通道输出 D1，D0 通道输出 D0。</li>
|
||
<li class="- topic/li li" data-ofbid="d190068e149__20250519091526">0x01234：D3 通道输出 D0，CK 通道输出 D1，D2 通道输出 D2，D1 通道输出 CK，D0 通道输出
|
||
D3。</li>
|
||
</ul></div></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_mrr_n2x_ddc__entry__1"><p class="- topic/p p" data-ofbid="d190068e157__20250519091526">AIC_LVDS_POL</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_mrr_n2x_ddc__entry__2">
|
||
<p class="- topic/p p" data-ofbid="d190068e162__20250519091526">LVDS 通道极性控制</p>
|
||
</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_mrr_n2x_ddc__entry__3">
|
||
<div class="- topic/p p" data-ofbid="d190068e168__20250519091526"><strong class="+ topic/ph hi-d/b ph b">低 5 bit</strong> 分别控制 LVDS 五个通道差分信号的极性，通道默认顺序为 D3 CK D2 D1 D0：<ul class="- topic/ul ul" id="id__ul_gjv_g2x_ddc" data-ofbid="id__ul_gjv_g2x_ddc">
|
||
<li class="- topic/li li" data-ofbid="d190068e174__20250519091526">0x3 表示 D1 D0 通道极性反相</li>
|
||
<li class="- topic/li li" data-ofbid="d190068e177__20250519091526">0x8 表示 CK 通道反相</li>
|
||
</ul></div>
|
||
<p class="- topic/p p" data-ofbid="d190068e181__20250519091526">AIC_LVDS_POL 受 AIC_LVDS_LINES 影响，如果 CK 通道选择输出 D0，则该 bit 控制 D0 相位，0x8
|
||
表示 D0 反相。</p>
|
||
</td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_mrr_n2x_ddc__entry__1"><p class="- topic/p p" data-ofbid="d190068e189__20250519091526">AIC_LVDS_PHY</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_mrr_n2x_ddc__entry__2"><p class="- topic/p p" data-ofbid="d190068e193__20250519091526">LVDS 物理层控制</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_mrr_n2x_ddc__entry__3"><p class="- topic/p p" data-ofbid="d190068e197__20250519091526">对应芯片手册 LVDS_0_PHY_CTL 和 LVDS_1_PHY_CTL 寄存器的数值，结合芯片手册进行修改。</p></td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
|
||
|
||
<section class="- topic/section section" id="id__section_iwq_vcx_ddc" data-ofbid="id__section_iwq_vcx_ddc"><h2 class="- topic/title title sectiontitle">MIPI-DSI 参数</h2>
|
||
|
||
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_j5l_3dx_ddc" data-ofbid="id__codeblock_j5l_3dx_ddc"><em class="hl-comment">/* data line assignments */</em>
|
||
#<span class="hl-directive">define</span> LANE_ASSIGNMENTS <span class="hl-number">0x0123</span>;
|
||
|
||
<em class="hl-comment">/* data line polarities */</em>
|
||
#<span class="hl-directive">define</span> LANE_POLARITIES <span class="hl-number">0</span>b1111;
|
||
|
||
<em class="hl-comment">/* data clk inverse */</em>
|
||
#<span class="hl-directive">define</span> CLK_INVERSE <span class="hl-number">1</span></pre>
|
||
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="id__table_tc2_n2x_ddc" data-ofbid="id__table_tc2_n2x_ddc" data-cols="3"><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">MIPI-DSI 参数详细描述</span></caption><colgroup><col style="width:21.581196581196583%"/><col style="width:21.36752136752137%"/><col style="width:57.05128205128205%"/></colgroup><thead class="- topic/thead thead">
|
||
<tr class="- topic/row">
|
||
<th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_tc2_n2x_ddc__entry__1"><p class="- topic/p p" data-ofbid="d190068e230__20250519091526">参数名称</p></th>
|
||
<th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_tc2_n2x_ddc__entry__2"><p class="- topic/p p" data-ofbid="d190068e234__20250519091526">功能定义</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_tc2_n2x_ddc__entry__3"><p class="- topic/p p" data-ofbid="d190068e238__20250519091526">备注</p></th>
|
||
</tr>
|
||
</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_tc2_n2x_ddc__entry__1"><p class="- topic/p p" data-ofbid="d190068e248__20250519091526">LANE_ASSIGNMENTS</p></td>
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_tc2_n2x_ddc__entry__2">数据通道输出选择，方便 layout 走线<p class="- topic/p p" data-ofbid="d190068e253__20250519091526"><strong class="+ topic/ph hi-d/b ph b">4 个 bit</strong> 表示一个通道。</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_tc2_n2x_ddc__entry__3"><div class="- topic/p p" data-ofbid="d190068e259__20250519091526">
|
||
<ul class="- topic/ul ul" id="id__ul_vdn_r2x_ddc" data-ofbid="id__ul_vdn_r2x_ddc">
|
||
<li class="- topic/li li" data-ofbid="d190068e263__20250519091526"><code class="+ topic/ph pr-d/codeph ph codeph">0x0123</code>：默认值。<ul class="- topic/ul ul" id="id__ul_pcf_x2x_ddc" data-ofbid="id__ul_pcf_x2x_ddc">
|
||
<li class="- topic/li li" data-ofbid="d190068e269__20250519091526">数据通道 3 输出 DATA0</li>
|
||
<li class="- topic/li li" data-ofbid="d190068e272__20250519091526">数据通道 2 输出 DATA1</li>
|
||
<li class="- topic/li li" data-ofbid="d190068e275__20250519091526">数据通道 1 输出 DATA2</li>
|
||
<li class="- topic/li li" data-ofbid="d190068e278__20250519091526">数据通道 0 输出 DATA3</li>
|
||
</ul></li>
|
||
<li class="- topic/li li" data-ofbid="d190068e282__20250519091526"><code class="+ topic/ph pr-d/codeph ph codeph">0x3012</code>：<ul class="- topic/ul ul" id="id__ul_ivy_x2x_ddc" data-ofbid="id__ul_ivy_x2x_ddc">
|
||
<li class="- topic/li li" data-ofbid="d190068e288__20250519091526">数据通道 3 输出 DATA3</li>
|
||
<li class="- topic/li li" data-ofbid="d190068e291__20250519091526">数据通道 2 输出 DATA0</li>
|
||
<li class="- topic/li li" data-ofbid="d190068e294__20250519091526">数据通道 1 输出 DATA1</li>
|
||
<li class="- topic/li li" data-ofbid="d190068e297__20250519091526">数据通道 0 输出 DATA2</li>
|
||
</ul></li>
|
||
<li class="- topic/li li" data-ofbid="d190068e301__20250519091526"><code class="+ topic/ph pr-d/codeph ph codeph">0x01</code>：如果是两个 lane，表示数据通道 1 输出 DATA0，数据通道 0 输出
|
||
DATA1。</li>
|
||
</ul>
|
||
</div></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_tc2_n2x_ddc__entry__1"><p class="- topic/p p" data-ofbid="d190068e312__20250519091526">LANE_POLARITIES</p></td>
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_tc2_n2x_ddc__entry__2"><p class="- topic/p p" data-ofbid="d190068e316__20250519091526">数据通道极性是否正负极取反</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_tc2_n2x_ddc__entry__3">默认值：0b1111<p class="- topic/p p" data-ofbid="d190068e321__20250519091526"><strong class="+ topic/ph hi-d/b ph b">二进制参数，1 个 bit</strong> 对应一个通道，与 LANE_ASSIGNMENTS
|
||
配置的通道顺序保持一致。</p><p class="- topic/p p" data-ofbid="d190068e325__20250519091526">示例：LANE_ASSIGNMENTS = <0x3012>，
|
||
LANE_POLARITIES = <0b1010>，表示 DATA3 和 DATA1
|
||
正负极取反。</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_tc2_n2x_ddc__entry__1">
|
||
<p class="- topic/p p" data-ofbid="d190068e333__20250519091526">CLK_INVERSE</p>
|
||
</td>
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_tc2_n2x_ddc__entry__2">
|
||
<p class="- topic/p p" data-ofbid="d190068e339__20250519091526">CLK Lane 正负极取反</p>
|
||
</td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_tc2_n2x_ddc__entry__3"><p class="- topic/p p" data-ofbid="d190068e344__20250519091526">-</p></td>
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</tr>
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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="#id__section_b53_vcx_ddc" data-tocid="id__section_b53_vcx_ddc">LVDS 参数</a></div></li><li class="section-item"><div class="section-title"><a href="#id__section_iwq_vcx_ddc" data-tocid="id__section_iwq_vcx_ddc">MIPI-DSI 参数</a></div></li></ul></div>
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