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<div class=" wh_topic_content body "><main role="main"><article class="- topic/topic topic" 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/rtp/rtp_config_lite.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">参数配置</h1><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><div class="- topic/body body"><section class="- topic/section section" id="id__id2" data-ofbid="id__id2"><h2 class="- topic/title title sectiontitle">驱动配置</h2>
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<p class="- topic/p p" data-ofbid="d231742e24__20250121171652">RTP 模块依赖 DE 驱动和 MPP</p><div class="- topic/p p" data-ofbid="d231742e26__20250121171652">在 <span class="- topic/ph ph">Luban-Lite</span> 根目录下执行 <code class="+ topic/ph pr-d/codeph ph codeph">scons
|
||
--menuconfig</code>，进入 menuconfig
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||
的功能配置界面，按如下选择：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_pkg_2k3_fdc" data-ofbid="id__codeblock_pkg_2k3_fdc">Board options --->
|
||
[*] Using Graphics Engine (GE)
|
||
[*] Using Video Engine (VE)
|
||
|
||
Drivers options --->
|
||
Peripheral --->
|
||
Touch Panel Support --->
|
||
RTP touch panel options --->
|
||
[*] Using touch panel RTP
|
||
(<span class="hl-number">18</span>) The sample period of RTP(in cycle mode) [AIC_RTP_PERIOD_MS]
|
||
(<span class="hl-number">800</span>) The pressure threshold of RTP [AIC_RTP_MAX_PRESSURE]
|
||
(<span class="hl-number">235</span>) The x-plate value of RTP touchscreen [AIC_RTP_X_PLATE]
|
||
(<span class="hl-number">665</span>) The Y-plate value of RTP touchscreen [AIC_RTP_Y_PLATE]
|
||
(<span class="hl-number">0x4f00004f</span>) The precharge delay of RTP [AIC_RTP_DELAY]
|
||
|
||
Local packages options--->
|
||
ArtInChip packages options--->
|
||
[*]aic-mpp</pre></div><p class="- topic/p p" data-ofbid="d231742e36__20250121171652">若使用显示模块进行 RTP 校准，可参考 Display 的 <a class="- topic/xref xref" href="../display/display_menuconfig.html">menuconfig 配置</a> 章节。</p><div class="- topic/p p" data-ofbid="d231742e42__20250121171652">当使用 RT-Thread 内核的时候，RTP 驱动需要依赖 RT-Thread 的 Touch 设备驱动框架，也是在 menuconfig
|
||
界面中打开：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_vsx_2k3_fdc" data-ofbid="id__codeblock_vsx_2k3_fdc">Rt-Thread options --->
|
||
RT-Thread Components --->
|
||
Device Drivers --->
|
||
[*] Using Touch device drivers
|
||
[ ] touch irq use pin irq</pre></div><ol class="- topic/ol ol arabic simple" id="id__ol_ipp_jk3_fdc" data-ofbid="id__ol_ipp_jk3_fdc"><li class="- topic/li li" data-ofbid="d231742e47__20250121171652">
|
||
<p class="- topic/p p" data-ofbid="d231742e49__20250121171652">为了简化使用，<span class="+ topic/ph ui-d/uicontrol ph uicontrol">Using RTP</span> 会自动打开 RT-Thread 的 Touch 设备驱动框架。</p>
|
||
</li><li class="- topic/li li" data-ofbid="d231742e55__20250121171652">
|
||
<p class="- topic/p p" data-ofbid="d231742e57__20250121171652"><code class="+ topic/ph pr-d/codeph ph codeph">touch irq use pin irq</code> 不要进行勾选。由于 RTP
|
||
当前采用内部控制器，并不需要单独引脚进行中断控制。</p>
|
||
</li></ol></section><section class="- topic/section section" id="id__rtp" data-ofbid="id__rtp"><h2 class="- topic/title title sectiontitle">RTP 自定义参数</h2>
|
||
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||
<p class="- topic/p p" data-ofbid="d231742e67__20250121171652">RTP 驱动在 menuconfig 中提供了一些扩展参数，方便用户根据板级硬件设计来进行调整。如下表： 如下表：</p><div class="table-container"><table class="- topic/table table frame-all" data-ofbid="d231742e69__20250121171652" 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"> 1</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">RTP 自定义参数</span></caption><colgroup><col style="width:28.30188679245283%"/><col style="width:15.094339622641511%"/><col style="width:18.867924528301888%"/><col style="width:37.735849056603776%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="id__rtp__entry__1">参数名称</th><th class="- topic/entry entry colsep-1 rowsep-1" id="id__rtp__entry__2">类型</th><th class="- topic/entry entry colsep-1 rowsep-1" id="id__rtp__entry__3">取值范围</th><th class="- topic/entry entry colsep-0 rowsep-1" id="id__rtp__entry__4">功能说明</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__rtp__entry__1">AIC_RTP_PERIOD_MS</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__rtp__entry__2">正整数</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__rtp__entry__3">[18, 1000]</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__rtp__entry__4">周期采样模式下的周期值，单位：ms</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__rtp__entry__1">AIC_RTP_MAX_PRESSURE</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__rtp__entry__2">正整数</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__rtp__entry__3">[1, 4095]</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__rtp__entry__4">压感过滤值，超过此值的坐标事件会被忽略</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__rtp__entry__1">AIC_RTP_X_PLATE</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__rtp__entry__2">正整数</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__rtp__entry__3">> 0</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__rtp__entry__4">需要实测屏幕 X 方向的电阻，用于计算压感值</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__rtp__entry__1">AIC_RTP_Y_PLATE</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__rtp__entry__2">正整数</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__rtp__entry__3">> 0</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__rtp__entry__4">需要实测屏幕 Y 方向的电阻，用于计算压感值</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__rtp__entry__1">AIC_RTP_DELAY</td><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__rtp__entry__2">十六进制</td><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__rtp__entry__3">[0 0xffffffff]</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="id__rtp__entry__4">按压检测预充电延时</td></tr></tbody></table></div><div class="- topic/note note tip note_tip" id="id__note_lhm_qn3_ddc" data-ofbid="id__note_lhm_qn3_ddc"><span class="note__title">提示：</span>
|
||
<ol class="- topic/ol ol arabic simple" data-ofbid="d231742e135__20250121171652"><li class="- topic/li li" data-ofbid="d231742e136__20250121171652">
|
||
<p class="- topic/p p" data-ofbid="d231742e138__20250121171652">AIC_RTP_MAX_PRESSURE:
|
||
若希望降低屏幕灵敏度需设小该数值，反之则增大。压感值越大映射为压力越小。当触点压力小于该参数所对应的压力时，该点即会被过滤掉，从而起到降低灵敏度作用</p>
|
||
</li><li class="- topic/li li" data-ofbid="d231742e141__20250121171652">
|
||
<p class="- topic/p p" data-ofbid="d231742e143__20250121171652">AIC_RTP_DELAY: 该参数用于设置屏幕电容的充电时长。当屏幕越大时，电容充电时长应适当调大。</p>
|
||
</li></ol>
|
||
</div><p class="- topic/p p" data-ofbid="d231742e147__20250121171652">不同的参数组合，可以让 RTP 工作在不同的采样模式，对应关系如下：</p><div class="table-container"><table class="- topic/table table frame-all" data-ofbid="d231742e149__20250121171652" data-cols="5"><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"></span></caption><colgroup><col style="width:17.966101694915256%"/><col style="width:17.45762711864407%"/><col style="width:20.677966101694917%"/><col style="width:26.949152542372882%"/><col style="width:16.949152542372882%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="id__rtp__entry__25">模式</th><th class="- topic/entry entry colsep-1 rowsep-1" id="id__rtp__entry__26">子模式</th><th class="- topic/entry entry colsep-1 rowsep-1" id="id__rtp__entry__27">采样点</th><th class="- topic/entry entry colsep-1 rowsep-1" id="id__rtp__entry__28">需要用户配置的参数</th><th class="- topic/entry entry colsep-0 rowsep-1" id="id__rtp__entry__29">备注</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__rtp__entry__25" rowspan="4">
|
||
<p class="- topic/p p" data-ofbid="d231742e173__20250121171652">自动</p>
|
||
<p class="- topic/p p" data-ofbid="d231742e176__20250121171652">模式</p>
|
||
</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__rtp__entry__26">Auto1 非周期</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__rtp__entry__27" rowspan="2">XN, YN</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__rtp__entry__28">无</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__rtp__entry__29">-</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__rtp__entry__26">Auto1 周期</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__rtp__entry__28">AIC_RTP_PERIOD_MS</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__rtp__entry__29">-</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__rtp__entry__26">Auto2 非周期</td><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__rtp__entry__27" rowspan="2">XN, YN, ZA, ZB</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__rtp__entry__28">AIC_RTP_X_PLATE</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__rtp__entry__29">-</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__rtp__entry__26">Auto2 周期</td><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__rtp__entry__28">AIC_RTP_X_PLATE, AIC_RTP_PERIOD_MS</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="id__rtp__entry__29">缺省模式</td></tr></tbody></table></div><div class="- topic/note note note note_note" id="id__note_mhm_qn3_ddc" data-ofbid="id__note_mhm_qn3_ddc"><span class="note__title">注：</span>
|
||
<ol class="- topic/ol ol arabic simple" data-ofbid="d231742e212__20250121171652"><li class="- topic/li li" data-ofbid="d231742e213__20250121171652">
|
||
<p class="- topic/p p" data-ofbid="d231742e215__20250121171652">受限于 RTOS 的任务管理手段，目前只支持 <strong class="+ topic/ph hi-d/b ph b">Auto2 周期</strong> 模式</p>
|
||
</li><li class="- topic/li li" data-ofbid="d231742e221__20250121171652">
|
||
<p class="- topic/p p" data-ofbid="d231742e223__20250121171652">对于 Auto2 模式，如果用户配置了 AIC_RTP_Y_PLATE，ZB 数据将驱动被忽略，<a class="- topic/xref xref" href="rtp_working_logic.html#rtp_working_logic__section_uwc_lry_21c">压感计算</a>时采样公式 2</p>
|
||
</li><li class="- topic/li li" data-ofbid="d231742e230__20250121171652">
|
||
<p class="- topic/p p" data-ofbid="d231742e232__20250121171652"> 为了简化描述，下文中会将 AIC_RTP_X_PLATE、AIC_RTP_Y_PLATE 分别简称为
|
||
X_PLATE、Y_PLATE</p>
|
||
</li></ol>
|
||
</div></section><section class="- topic/section section" id="id__id3" data-ofbid="id__id3"><h2 class="- topic/title title sectiontitle"> 触摸屏的电阻实测方法</h2>
|
||
|
||
<figure class="- topic/fig fig fignone" id="id__id5" data-ofbid="id__id5"><br/><div class="imagecenter"><img class="- topic/image image imagecenter" src="../../../images/rtp/touchscreen_R_method.png" alt="touchscreen_R_method"/></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">测量触摸屏电阻值的方法</span></figcaption></figure>
|
||
<div class="- topic/note note tip note_tip" id="id__note_nhm_qn3_ddc" data-ofbid="id__note_nhm_qn3_ddc"><span class="note__title">提示：</span>
|
||
<ol class="- topic/ol ol arabic simple" data-ofbid="d231742e250__20250121171652"><li class="- topic/li li" data-ofbid="d231742e251__20250121171652">
|
||
<p class="- topic/p p" data-ofbid="d231742e253__20250121171652">原理图中触摸屏的四个引脚为 PA11（YN）、PA10(XN)、PA09(YP)、PA08(XP)。</p>
|
||
</li><li class="- topic/li li" data-ofbid="d231742e256__20250121171652">
|
||
<p class="- topic/p p" data-ofbid="d231742e258__20250121171652">测量过程中需根据电路原理图中 RTP 的引脚顺序，确定 XN、XP、YN、YP 在屏幕的位置。</p>
|
||
</li></ol>
|
||
</div></section><section class="- topic/section section" id="id__id4" data-ofbid="id__id4"><h2 class="- topic/title title sectiontitle"> RTP 屏幕参数</h2>
|
||
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<p class="- topic/p p" data-ofbid="d231742e267__20250121171652">这里记录测试过的几款屏幕参数，主要是 X、Y 方向的电阻值，对应参数中的 X_PLATE、Y_PLATE：</p><div class="table-container"><table class="- topic/table table frame-all" data-ofbid="d231742e269__20250121171652" data-cols="6"><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"></span></caption><colgroup><col style="width:15.700141442715701%"/><col style="width:17.53889674681754%"/><col style="width:15.841584158415841%"/><col style="width:18.52899575671853%"/><col style="width:18.246110325318245%"/><col style="width:14.144271570014144%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="id__id4__entry__1">屏型号</th><th class="- topic/entry entry colsep-1 rowsep-1" id="id__id4__entry__2">分辨率</th><th class="- topic/entry entry colsep-1 rowsep-1" id="id__id4__entry__3">板子类型</th><th class="- topic/entry entry colsep-1 rowsep-1" id="id__id4__entry__4">X_PLATE</th><th class="- topic/entry entry colsep-1 rowsep-1" id="id__id4__entry__5">Y_PLATE</th><th class="- topic/entry entry colsep-0 rowsep-1" id="id__id4__entry__6">备注</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__id4__entry__1">LCD 屏</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__id4__entry__2">800x480</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__id4__entry__3">per1</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__id4__entry__4">235</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__id4__entry__5">902</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__id4__entry__6">-</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__id4__entry__1">LVDS 屏</td><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__id4__entry__2">1024x600</td><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__id4__entry__3">per1</td><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__id4__entry__4">702</td><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__id4__entry__5">236</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="id__id4__entry__6">-</td></tr></tbody></table></div></section></div></article></main></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="#id__id2" data-tocid="id__id2">驱动配置</a></div></li><li class="section-item"><div class="section-title"><a href="#id__rtp" data-tocid="id__rtp">RTP 自定义参数</a></div></li><li class="section-item"><div class="section-title"><a href="#id__id3" data-tocid="id__id3"> 触摸屏的电阻实测方法</a></div></li><li class="section-item"><div class="section-title"><a href="#id__id4" data-tocid="id__id4"> RTP 屏幕参数</a></div></li></ul></div>
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