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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" 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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/display_sourcecode_and_arch_lite.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">源码和框架说明</h1>
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<div class="date inPage">16 May 2025</div><div style="color: gray;">
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Read time: 3 minute(s)
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</div>
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<div class="- topic/body body">
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<section class="- topic/section section" id="id__section_rlc_hpf_fdc" data-ofbid="id__section_rlc_hpf_fdc"><h2 class="- topic/title title sectiontitle">源码说明</h2>
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<p class="- topic/p p" data-ofbid="d209115e33__20250519091529">本模块源代码的目录结构如下：</p>
|
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<div class="table-container"><table class="- topic/table table frame-all" id="id__table_qdc_qdk_ndc" data-ofbid="id__table_qdc_qdk_ndc" 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">目录 <span class="+ topic/ph sw-d/filepath ph filepath">bsp/artinchip/drv/display</span></span></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><thead class="- topic/thead thead">
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<tr class="- topic/row">
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<th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_qdc_qdk_ndc__entry__1"><p class="- topic/p p" data-ofbid="d209115e54__20250519091529">文件名</p></th>
|
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<th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_qdc_qdk_ndc__entry__2"><p class="- topic/p p" data-ofbid="d209115e58__20250519091529">含义</p></th>
|
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</tr>
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</thead><tbody class="- topic/tbody tbody">
|
||
<tr class="- topic/row">
|
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<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_qdc_qdk_ndc__entry__1"><p class="- topic/p p" data-ofbid="d209115e68__20250519091529">drv_fb.c</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_qdc_qdk_ndc__entry__2"><p class="- topic/p p" data-ofbid="d209115e72__20250519091529">显示驱动框架</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_qdc_qdk_ndc__entry__1"><p class="- topic/p p" data-ofbid="d209115e79__20250519091529">drv_de.c</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_qdc_qdk_ndc__entry__2"><p class="- topic/p p" data-ofbid="d209115e83__20250519091529">显示引擎驱动</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_qdc_qdk_ndc__entry__1"><p class="- topic/p p" data-ofbid="d209115e90__20250519091529">drv_rgb.c</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_qdc_qdk_ndc__entry__2"><p class="- topic/p p" data-ofbid="d209115e94__20250519091529">RGB 显示接口驱动</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_qdc_qdk_ndc__entry__1"><p class="- topic/p p" data-ofbid="d209115e101__20250519091529">drv_lvds.c</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_qdc_qdk_ndc__entry__2"><p class="- topic/p p" data-ofbid="d209115e105__20250519091529">LVDS 显示接口驱动</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_qdc_qdk_ndc__entry__1"><p class="- topic/p p" data-ofbid="d209115e112__20250519091529">drv_dsi.c</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_qdc_qdk_ndc__entry__2"><p class="- topic/p p" data-ofbid="d209115e116__20250519091529">MIPI-DSI 显示接口驱动</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_qdc_qdk_ndc__entry__1"><p class="- topic/p p" data-ofbid="d209115e124__20250519091529">drv_dbi.c</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_qdc_qdk_ndc__entry__2"><p class="- topic/p p" data-ofbid="d209115e128__20250519091529">MIPI-DBI 显示接口驱动</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_qdc_qdk_ndc__entry__1"><p class="- topic/p p" data-ofbid="d209115e135__20250519091529">disp_com.h</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_qdc_qdk_ndc__entry__2"><p class="- topic/p p" data-ofbid="d209115e139__20250519091529">显示驱动共用的头文件，定义了共用数据结构、全局函数等</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_qdc_qdk_ndc__entry__1"><p class="- topic/p p" data-ofbid="d209115e146__20250519091529">disp_conf.h</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_qdc_qdk_ndc__entry__2"><p class="- topic/p p" data-ofbid="d209115e150__20250519091529">显示接口配置文件</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_qdc_qdk_ndc__entry__1"><p class="- topic/p p" data-ofbid="d209115e157__20250519091529">disp_ccm.h</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_qdc_qdk_ndc__entry__2"><p class="- topic/p p" data-ofbid="d209115e161__20250519091529">CCM 色彩矩阵配置文件</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_qdc_qdk_ndc__entry__1"><p class="- topic/p p" data-ofbid="d209115e168__20250519091529">disp_gamma.h</p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_qdc_qdk_ndc__entry__2"><p class="- topic/p p" data-ofbid="d209115e172__20250519091529">Gamma 配置文件</p></td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="id__table_rdc_qdk_ndc" data-ofbid="id__table_rdc_qdk_ndc" 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"> 2</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">目录 <span class="+ topic/ph sw-d/filepath ph filepath">bsp/artinchip/drv/display/panel</span></span></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><thead class="- topic/thead thead">
|
||
<tr class="- topic/row">
|
||
<th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_rdc_qdk_ndc__entry__1"><p class="- topic/p p" data-ofbid="d209115e197__20250519091529">文件名</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_rdc_qdk_ndc__entry__2"><p class="- topic/p p" data-ofbid="d209115e201__20250519091529">含义</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_rdc_qdk_ndc__entry__1"><p class="- topic/p p" data-ofbid="d209115e211__20250519091529"><span class="+ topic/ph sw-d/filepath ph filepath">panel_com.c</span></p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_rdc_qdk_ndc__entry__2"><p class="- topic/p p" data-ofbid="d209115e216__20250519091529">LCD 屏公用代码</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_rdc_qdk_ndc__entry__1"><p class="- topic/p p" data-ofbid="d209115e223__20250519091529"><span class="+ topic/ph sw-d/filepath ph filepath">panel_com.h</span></p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_rdc_qdk_ndc__entry__2"><p class="- topic/p p" data-ofbid="d209115e228__20250519091529">显示驱动共用的头文件，其中定义了共用数据结构、全局函数等</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_rdc_qdk_ndc__entry__1"><p class="- topic/p p" data-ofbid="d209115e235__20250519091529"><span class="+ topic/ph sw-d/filepath ph filepath">panel-simple.c</span></p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_rdc_qdk_ndc__entry__2"><p class="- topic/p p" data-ofbid="d209115e240__20250519091529">为 RGB 和 LVDS 接口提供的一款通用的 LCD 驱动</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_rdc_qdk_ndc__entry__1"><p class="- topic/p p" data-ofbid="d209115e247__20250519091529"><span class="+ topic/ph sw-d/filepath ph filepath">panel_dsi.c</span></p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_rdc_qdk_ndc__entry__2"><p class="- topic/p p" data-ofbid="d209115e252__20250519091529">为 MIPI-DSI 屏幕封装的函数，方便屏幕适配</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_rdc_qdk_ndc__entry__1"><p class="- topic/p p" data-ofbid="d209115e259__20250519091529"><span class="+ topic/ph sw-d/filepath ph filepath">panel_dsi.h</span></p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_rdc_qdk_ndc__entry__2"><p class="- topic/p p" data-ofbid="d209115e264__20250519091529">为 MIPI-DSI 屏幕封装的函数的头文件</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_rdc_qdk_ndc__entry__1"><p class="- topic/p p" data-ofbid="d209115e272__20250519091529"><span class="+ topic/ph sw-d/filepath ph filepath">panel_dbi.c</span></p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_rdc_qdk_ndc__entry__2"><p class="- topic/p p" data-ofbid="d209115e277__20250519091529">为 MIPI-DBI 协议封装的函数，方便屏幕适配</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_rdc_qdk_ndc__entry__1"><p class="- topic/p p" data-ofbid="d209115e284__20250519091529"><span class="+ topic/ph sw-d/filepath ph filepath">panel_dbi.h</span></p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_rdc_qdk_ndc__entry__2"><p class="- topic/p p" data-ofbid="d209115e289__20250519091529">为 MIPI-DBI 协议封装函数的头文件</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_rdc_qdk_ndc__entry__1"><p class="- topic/p p" data-ofbid="d209115e296__20250519091529"><span class="+ topic/ph sw-d/filepath ph filepath">panel_xxxx.c</span></p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_rdc_qdk_ndc__entry__2"><p class="- topic/p p" data-ofbid="d209115e301__20250519091529">为屏驱 IC 适配的专用驱动</p></td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
<div class="table-container"><table class="- topic/table table frame-all" id="id__table_sdc_qdk_ndc" data-ofbid="id__table_sdc_qdk_ndc" 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"> 3</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">目录 <span class="+ topic/ph sw-d/filepath ph filepath">bsp/artinchip/hal/display</span></span></caption><colgroup><col style="width:25%"/><col style="width:75%"/></colgroup><thead class="- topic/thead thead">
|
||
<tr class="- topic/row">
|
||
<th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_sdc_qdk_ndc__entry__1"><p class="- topic/p p" data-ofbid="d209115e326__20250519091529">文件名</p></th>
|
||
<th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_sdc_qdk_ndc__entry__2"><p class="- topic/p p" data-ofbid="d209115e330__20250519091529">含义</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_sdc_qdk_ndc__entry__1"><p class="- topic/p p" data-ofbid="d209115e340__20250519091529"><span class="+ topic/ph sw-d/filepath ph filepath">aic_hal_rgb.c</span></p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_sdc_qdk_ndc__entry__2"><p class="- topic/p p" data-ofbid="d209115e345__20250519091529">RGB 显示接口 HAL 层，操作 RGB 接口寄存器</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_sdc_qdk_ndc__entry__1"><p class="- topic/p p" data-ofbid="d209115e352__20250519091529"><span class="+ topic/ph sw-d/filepath ph filepath">aic_hal_de.c</span></p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_sdc_qdk_ndc__entry__2"><p class="- topic/p p" data-ofbid="d209115e357__20250519091529">DE 显示引擎 HAL 层，操作 DE 接口寄存器</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_sdc_qdk_ndc__entry__1"><p class="- topic/p p" data-ofbid="d209115e364__20250519091529"><span class="+ topic/ph sw-d/filepath ph filepath">aic_hal_dsi.c</span></p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_sdc_qdk_ndc__entry__2"><p class="- topic/p p" data-ofbid="d209115e369__20250519091529">MIPI-DSI 显示接口 HAL 层，操作 DSI 接口寄存器</p></td>
|
||
</tr>
|
||
<tr class="- topic/row">
|
||
<td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_sdc_qdk_ndc__entry__1"><p class="- topic/p p" data-ofbid="d209115e376__20250519091529"><span class="+ topic/ph sw-d/filepath ph filepath">aic_hal_dbi.c</span></p></td>
|
||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_sdc_qdk_ndc__entry__2"><p class="- topic/p p" data-ofbid="d209115e381__20250519091529">MIPI-DBI 显示接口 HAL 层，操作 DBI 接口寄存器</p></td>
|
||
</tr>
|
||
</tbody></table></div>
|
||
</section>
|
||
<section class="- topic/section section" id="id__section_ddb_frx_ddc" data-ofbid="id__section_ddb_frx_ddc"><h2 class="- topic/title title sectiontitle">软硬件设计</h2>
|
||
|
||
<p class="- topic/p p section" id="id__p_t3d_5ck_ndc" data-ofbid="id__p_t3d_5ck_ndc">在 Chip
|
||
运行过程中，显示接口只能输出一种标准信号，其数据链路是确定的。显示接口硬件框图如下所示：</p>
|
||
<div class="- topic/p p section" data-ofbid="d209115e397__20250519091529">
|
||
<figure class="- topic/fig fig fignone" id="id__fig_ad1_1rx_ddc" data-ofbid="id__fig_ad1_1rx_ddc">
|
||
|
||
<br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="id__image_b25_sf3_bdc" src="../../../images/display/hw_framework.png" alt="/hw_framework"/></div><br/>
|
||
<figcaption data-caption-side="bottom" class="- topic/title title figcapcenter"><span class="figtitleprefix fig--title-label">图<span class="fig--title-label-number"> 1</span><span class="fig--title-label-punctuation">. </span></span><span class="fig--title">硬件框图</span></figcaption></figure>
|
||
</div>
|
||
<div class="- topic/p p" data-ofbid="d209115e412__20250519091529">在软件 SDK 中，显示引擎、显示接口与 LCD 的关系是 <em class="+ topic/ph hi-d/i ph i">1 x N x N</em>。 一个显示引擎需要支持多个显示接口标准，一个显示接口又要适配多款
|
||
LCD，其数据链路是不确定的。<figure class="- topic/fig fig fignone" id="id__fig_ods_3rx_ddc" data-ofbid="id__fig_ods_3rx_ddc">
|
||
|
||
<br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="id__image_c25_sf3_bdc" src="../../../images/display/sw_framework.png" alt="/sw_framework"/></div><br/>
|
||
<figcaption data-caption-side="bottom" class="- topic/title title figcapcenter"><span class="figtitleprefix fig--title-label">图<span class="fig--title-label-number"> 2</span><span class="fig--title-label-punctuation">. </span></span><span class="fig--title">软件框图</span></figcaption></figure></div>
|
||
</section>
|
||
<section class="- topic/section section" id="id__section_gbj_tsx_ddc" data-ofbid="id__section_gbj_tsx_ddc"><h2 class="- topic/title title sectiontitle">MIPI-DBI 协议</h2>
|
||
|
||
<p class="- topic/p p" data-ofbid="d209115e435__20250519091529">Mobile Industry Processor Interface - Display Bus Interface (MIPI-DBI)
|
||
是一种用于显示接口的协议，主要用于移动设备中的显示屏连接。MIPI-DBI 是软件虚拟出来的 device，为 MIPI-DBI 协议提供支持。MIPI-DBI
|
||
协议支持多种类型的数据传输方式：</p>
|
||
<ul class="- topic/ul ul simple" id="id__ul_e25_sf3_bdc" data-ofbid="id__ul_e25_sf3_bdc">
|
||
<li class="- topic/li li" data-ofbid="d209115e440__20250519091529">
|
||
<p class="- topic/p p" data-ofbid="d209115e442__20250519091529">Type A: Motorola 6800</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d209115e446__20250519091529">
|
||
<p class="- topic/p p" data-ofbid="d209115e448__20250519091529">Type B: Intel 8080</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d209115e452__20250519091529">
|
||
<p class="- topic/p p" data-ofbid="d209115e454__20250519091529">Type C: SPI</p>
|
||
</li>
|
||
</ul>
|
||
<p class="- topic/p p" data-ofbid="d209115e459__20250519091529">ArtInChip 平台支持 MIPI-DBI 协议中的 Type B 和 Type C，可以与使用这两种类型的 MIPI-DBI 接口的显示屏进行通信。</p>
|
||
</section>
|
||
<section class="- topic/section section" id="id__section_owd_qsx_ddc" data-ofbid="id__section_owd_qsx_ddc"><h2 class="- topic/title title sectiontitle">结构体定义</h2>
|
||
|
||
<ul class="- topic/ul ul" id="id__ul_y5w_msx_ddc" data-ofbid="id__ul_y5w_msx_ddc">
|
||
<li class="- topic/li li" data-ofbid="d209115e470__20250519091529"><strong class="+ topic/ph hi-d/b ph b">struct platform_driver</strong><div class="- topic/p p" data-ofbid="d209115e473__20250519091529">DE 和 DI 在显示框架上属于同级模块，都是 DSS 的 component，使用
|
||
struct platform_driver
|
||
来表示。<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_blf_krx_ddc" data-ofbid="id__codeblock_blf_krx_ddc"><strong class="hl-keyword">struct</strong> platform_driver {
|
||
<strong class="hl-keyword">const</strong> <strong class="hl-keyword">char</strong> *name;
|
||
<strong class="hl-keyword">int</strong> component_type;
|
||
<strong class="hl-keyword">int</strong> (*probe)(<strong class="hl-keyword">void</strong>);
|
||
<strong class="hl-keyword">void</strong> (*remove)(<strong class="hl-keyword">void</strong>);
|
||
<strong class="hl-keyword">union</strong> {
|
||
<strong class="hl-keyword">struct</strong> di_funcs *di_funcs;
|
||
<strong class="hl-keyword">struct</strong> de_funcs *de_funcs;
|
||
};
|
||
};</pre></div></li>
|
||
<li class="- topic/li li" data-ofbid="d209115e478__20250519091529"><strong class="+ topic/ph hi-d/b ph b">struct aic_panel</strong><div class="- topic/p p" data-ofbid="d209115e481__20250519091529">LCD panel 使用 struct aic_panel 来表示。严格来说，panel component
|
||
不算一个
|
||
driver，只是一些屏参数和回调函数的集合。<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_wnd_lrx_ddc" data-ofbid="id__codeblock_wnd_lrx_ddc"><strong class="hl-keyword">struct</strong> aic_panel {
|
||
<strong class="hl-keyword">const</strong> <strong class="hl-keyword">char</strong> *name;
|
||
<strong class="hl-keyword">struct</strong> aic_panel_funcs *funcs;
|
||
<strong class="hl-keyword">struct</strong> aic_panel_callbacks callbacks;
|
||
<strong class="hl-keyword">const</strong> <strong class="hl-keyword">struct</strong> display_timing *timings;
|
||
|
||
<strong class="hl-keyword">union</strong> {
|
||
<strong class="hl-keyword">struct</strong> panel_rgb *rgb;
|
||
<strong class="hl-keyword">struct</strong> panel_lvds *lvds;
|
||
<strong class="hl-keyword">struct</strong> panel_dsi *dsi;
|
||
<strong class="hl-keyword">struct</strong> panel_dbi *dbi;
|
||
};
|
||
|
||
<strong class="hl-keyword">int</strong> connector_type;
|
||
};</pre><ul class="- topic/ul ul simple" id="id__ul_g25_sf3_bdc" data-ofbid="id__ul_g25_sf3_bdc">
|
||
<li class="- topic/li li" data-ofbid="d209115e487__20250519091529">
|
||
<p class="- topic/p p" data-ofbid="d209115e489__20250519091529"><span class="+ topic/keyword pr-d/apiname keyword apiname">struct aic_panel_funcs*funcs;</span> 由 panel 提供，供 fb
|
||
调用的回调</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d209115e495__20250519091529">
|
||
<p class="- topic/p p" data-ofbid="d209115e497__20250519091529"><span class="+ topic/keyword pr-d/apiname keyword apiname">struct aic_panel_callbackscallbacks;</span> 由 DE/DI
|
||
提供，供 panel 调用的回调</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d209115e503__20250519091529">
|
||
<p class="- topic/p p" data-ofbid="d209115e505__20250519091529">在 panel 提供的 <span class="+ topic/keyword pr-d/apiname keyword apiname">struct aic_panel_funcs</span> 中，会调用 DE/DI
|
||
提供的 <span class="+ topic/keyword pr-d/apiname keyword apiname">struct aic_panel_callbacks</span>。</p>
|
||
<p class="- topic/p p" data-ofbid="d209115e514__20250519091529"><span class="+ topic/keyword pr-d/apiname keyword apiname">callbacks</span> 的设计是为了满足 DE、DI、panel
|
||
三个硬件模块的初始化时序，包含先后顺序、延迟大小等。时序约束主要来自 panel 侧。</p>
|
||
</li>
|
||
</ul></div></li>
|
||
</ul>
|
||
</section>
|
||
|
||
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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_rlc_hpf_fdc" data-tocid="id__section_rlc_hpf_fdc">源码说明</a></div></li><li class="section-item"><div class="section-title"><a href="#id__section_ddb_frx_ddc" data-tocid="id__section_ddb_frx_ddc">软硬件设计</a></div></li><li class="section-item"><div class="section-title"><a href="#id__section_gbj_tsx_ddc" data-tocid="id__section_gbj_tsx_ddc">MIPI-DBI 协议</a></div></li><li class="section-item"><div class="section-title"><a href="#id__section_owd_qsx_ddc" data-tocid="id__section_owd_qsx_ddc">结构体定义</a></div></li></ul></div>
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