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aria-labelledby="button-expand-action _59-d4445e1743-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/peripheral/peripheral-screen_debug_configuration.html" id="_59-d4445e1743-link">显示屏</a><div class="wh-tooltip"><p class="shortdesc">Panel 类型详细介绍，以及参数和功能配置描述。</p></div></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="wifi-d4445e1918" class="topicref" data-id="wifi" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action wifi-d4445e1918-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/wifi/wifi-debug-guide.html" id="wifi-d4445e1918-link">WiFi</a></div></div></li><li role="treeitem"><div data-tocid="concept_s4m_zk3_pzb-d4445e1946" class="topicref" data-id="concept_s4m_zk3_pzb" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/keyadc/device-keyboards-user-guide.html" id="concept_s4m_zk3_pzb-d4445e1946-link">按键矩阵</a><div class="wh-tooltip"><p class="shortdesc">此章节介绍按键矩阵的使用方法以及相关配置。</p></div></div></div></li></ul></li><li role="treeitem" aria-expanded="false"><div data-tocid="id-d4445e1964" class="topicref" data-id="id" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action id-d4445e1964-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/bringup/chapter-bringup.html" id="id-d4445e1964-link">BringUp</a><div class="wh-tooltip"><p class="shortdesc">在硬件上电后快速初始化系统，为操作系统的启动准备好必要的硬件环境。</p></div></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="id-d4445e2153" class="topicref" data-id="id" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action id-d4445e2153-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/chapter-advanced-app.html" id="id-d4445e2153-link">高级应用</a><div class="wh-tooltip"><p class="shortdesc">系统、存储、多媒体、接口、安全等模块的详细配置和设计说明。</p></div></div></div></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" title="Edit this document" href="http://172.16.35.88/tasks/jdssno1uvvbf2mltu9kb9v3if05d5gopuakboe8hlud18rma/edit/F:/aicdita/aicdita-cn/topics/sdk/touch_panel/ctp_debug.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">CTP 调试配置</h1>
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<div class="date inPage">15 Jan 2024</div><div style="color: gray;">
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Read time: 5 minute(s)
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<div class="- topic/body body">
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<p class="- topic/p p" data-ofbid="d189587e28__20250123155220">CTP 驱动一般由触摸屏原厂提供，经过移植后添加到 SDK 中编译和使用。本节以 GT9xx 触摸屏为例，详细说明调试和移植一款新
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CTP 的流程。</p>
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<div class="- topic/p p" data-ofbid="d189587e31__20250123155220">驱动存放路径：<span class="+ topic/ph sw-d/filepath ph filepath">source/linux-5.10/drivers/input/touchscreen/gt9xx</span>。<div class="- topic/note note note note_note" id="id__note_ig5_yjr_gdc" data-ofbid="id__note_ig5_yjr_gdc"><span class="note__title">注：</span> <div class="note__body">
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<p class="- topic/p p" data-ofbid="d189587e38__20250123155220">从触摸屏供应商处获取和内核版本匹配的驱动程序，如果版本不匹配则可能编译出错，需要自行适配。</p>
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</div></div></div>
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<section class="- topic/section section" id="id__section_uf1_wjr_gdc" data-ofbid="id__section_uf1_wjr_gdc"><h2 class="- topic/title title sectiontitle">驱动移植</h2>
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<ol class="- topic/ol ol" id="id__ol_pb2_svq_ldc" data-ofbid="id__ol_pb2_svq_ldc">
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<li class="- topic/li li" data-ofbid="d189587e49__20250123155220">
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<p class="- topic/p p" data-ofbid="d189587e51__20250123155220"><strong class="+ topic/ph hi-d/b ph b">修改 <span class="+ topic/ph sw-d/filepath ph filepath">Makefile</span> 文件</strong>，将 <span class="+ topic/ph sw-d/filepath ph filepath">gt9xx</span>
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目录中的源文件编译进内核模块。</p>
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<p class="- topic/p p" data-ofbid="d189587e62__20250123155220">在 <span class="+ topic/ph sw-d/filepath ph filepath">source/linux-5.10/drivers/input/touchscreen/Makefile</span>
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文件中添加以下内容：</p>
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<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__pre_okm_vjr_gdc" data-ofbid="id__pre_okm_vjr_gdc"><code>diff --git a/drivers/input/touchscreen/Makefile b/drivers/input/touchscreen/Makefile
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index <span class="hl-number">75924</span>acd8.<span class="hl-number">.4</span>be057598 <span class="hl-number">100644</span>
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--- a/drivers/input/touchscreen/Makefile
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+++ b/drivers/input/touchscreen/Makefile
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@@ -<span class="hl-number">116</span>,<span class="hl-number">3</span> +<span class="hl-number">116</span>,<span class="hl-number">6</span> @@ obj-$(CONFIG_TOUCHSCREEN_ROHM_BU21023) += rohm_bu21023.o
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obj-$(CONFIG_TOUCHSCREEN_RASPBERRYPI_FW) += raspberrypi-ts.o
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obj-$(CONFIG_TOUCHSCREEN_IQS5XX) += iqs5xx.o
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obj-$(CONFIG_TOUCHSCREEN_ZINITIX) += zinitix.o
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+obj-$(CONFIG_INPUT_TOUCHSCREEN) += gt9xx/
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</code></pre>
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<p class="- topic/p p" data-ofbid="d189587e75__20250123155220">确保 <span class="+ topic/ph sw-d/filepath ph filepath">gt9xx</span> 目录中包含正确的驱动程序源代码，并且该目录结构符合内核的构建系统要求。</p>
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</li>
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<li class="- topic/li li" data-ofbid="d189587e82__20250123155220"><strong class="+ topic/ph hi-d/b ph b">修改 <span class="+ topic/ph sw-d/filepath ph filepath">Kconfig</span> 文件</strong>，引入 <code class="+ topic/ph pr-d/codeph ph codeph">gt9xx</code> 目录下的
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<code class="+ topic/ph pr-d/codeph ph codeph">Kconfig</code> 文件。<div class="- topic/p p" data-ofbid="d189587e95__20250123155220">在
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<span class="+ topic/ph sw-d/filepath ph filepath">source/linux-5.10/drivers/input/touchscreen/Kconfig</span>
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中添加以下内容，使得该目录下的配置选项能够被主
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<code class="+ topic/ph pr-d/codeph ph codeph">Kconfig</code>
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文件识别和处理：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__pre_pkm_vjr_gdc" data-ofbid="id__pre_pkm_vjr_gdc"><code>diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
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index a8d18a679.<span class="hl-number">.6</span>acdc3b63 <span class="hl-number">100644</span>
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--- a/drivers/input/touchscreen/Kconfig
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+++ b/drivers/input/touchscreen/Kconfig
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@@ -<span class="hl-number">1344</span>,<span class="hl-number">5</span> +<span class="hl-number">1344</span>,<span class="hl-number">7</span> @@ config TOUCHSCREEN_ZINITIX
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To compile this driver as a module, choose M here: the
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module will be called zinitix.
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-
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+source <span class="hl-string">"drivers/input/touchscreen/gt9xx/Kconfig"</span></code></pre></div><p class="- topic/p p" data-ofbid="d189587e109__20250123155220">确保
|
||
<code class="+ topic/ph pr-d/codeph ph codeph">gt9xx</code> 目录中包含一个有效的 <code class="+ topic/ph pr-d/codeph ph codeph">Kconfig</code> 文件，并且该文件定义了与
|
||
<code class="+ topic/ph pr-d/codeph ph codeph">gt9xx</code> 驱动程序相关的配置选项。</p></li>
|
||
</ol>
|
||
</section>
|
||
<section class="- topic/section section" id="id__section_sb1_xjr_gdc" data-ofbid="id__section_sb1_xjr_gdc"><h2 class="- topic/title title sectiontitle">内核配置</h2>
|
||
|
||
<div class="- topic/p p" data-ofbid="d189587e128__20250123155220">
|
||
<div class="- topic/div div section" id="id__id4">
|
||
<ol class="- topic/ol ol" id="id__ol_xg2_r33_ndc" data-ofbid="id__ol_xg2_r33_ndc">
|
||
<li class="- topic/li li" data-ofbid="d189587e134__20250123155220">在 Luban 根目录下执行 <span class="+ topic/keyword sw-d/cmdname keyword cmdname">make km</span> (<span class="+ topic/keyword sw-d/cmdname keyword cmdname">make
|
||
kernel-menuconfig</span>)，进入 kernel
|
||
的功能配置，按如下选择：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__pre_mfm_wjr_gdc" data-ofbid="id__pre_mfm_wjr_gdc"><code>Linux
|
||
Device Drivers
|
||
Input device support
|
||
[*] Touchscreens
|
||
<M> gt9xx based touchscreens</code></pre><p class="- topic/p p" data-ofbid="d189587e144__20250123155220">确保
|
||
<code class="+ topic/ph pr-d/codeph ph codeph">gt9xx based touchscreens</code> 被选中（用
|
||
<code class="+ topic/ph pr-d/codeph ph codeph"><M></code> 表示）。</p></li>
|
||
<li class="- topic/li li" data-ofbid="d189587e153__20250123155220">
|
||
<p class="- topic/p p" data-ofbid="d189587e155__20250123155220">保存配置并退出配置界面后，以 ko 的方式编译驱动。</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d189587e159__20250123155220">
|
||
<div class="- topic/p p" data-ofbid="d189587e161__20250123155220">编译完成后启动系统，启动脚本
|
||
<span class="+ topic/ph sw-d/filepath ph filepath">S10mdev</span>
|
||
自动加载，如下：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__pre_nfm_wjr_gdc" data-ofbid="id__pre_nfm_wjr_gdc"><code>start(){echo-n<span class="hl-string">"Starting $DAEMON... "</span>start-stop-daemon-S-b-m-p$PIDFILE-x/sbin/mdev---df[$?-eq0]&&echo<span class="hl-string">"OK"</span>||echo<span class="hl-string">"ERROR"</span># coldplug modulesfind/sys/-namemodalias-print0| \
|
||
xargs-<span class="hl-number">0</span>sort-u| \
|
||
tr<span class="hl-string">'\n'</span><span class="hl-string">'\0'</span>| \
|
||
xargs-<span class="hl-number">0</span>modprobe-abq}</code></pre></div>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d189587e174__20250123155220">
|
||
<p class="- topic/p p" data-ofbid="d189587e176__20250123155220">如果不需要自动加载，可注释掉所示代码，并按照需要自定义加载服务，否则可略过此步。</p>
|
||
<p class="- topic/p p" data-ofbid="d189587e179__20250123155220">自定义时，可参考其他启动服务。</p>
|
||
</li>
|
||
</ol>
|
||
</div>
|
||
</div>
|
||
</section>
|
||
<section class="- topic/section section" id="id__section_fmr_zjr_gdc" data-ofbid="id__section_fmr_zjr_gdc"><h2 class="- topic/title title sectiontitle">DTS 参数配置</h2>
|
||
|
||
<div class="- topic/p p" data-ofbid="d189587e192__20250123155220">在 <span class="+ topic/ph sw-d/filepath ph filepath">board.dts</span> 文件中添加或修改与 GT9xx
|
||
触摸屏相关的节点和属性。关于需要添加的参数选项，可以查看驱动代码中所要解析的 dts 参数，示例如下：<ul class="- topic/ul ul" id="id__ul_szf_ck3_ndc" data-ofbid="id__ul_szf_ck3_ndc">
|
||
<li class="- topic/li li" data-ofbid="d189587e199__20250123155220"> GT9xx 驱动程序中所要解析的 dts
|
||
参数：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_mx1_bkr_gdc" data-ofbid="id__codeblock_mx1_bkr_gdc"><code> <strong class="hl-keyword">static</strong> <strong class="hl-keyword">int</strong> gtp_parse_dt(<strong class="hl-keyword">struct</strong> device *dev,
|
||
<strong class="hl-keyword">struct</strong> goodix_ts_platform_data *pdata)
|
||
{
|
||
<strong class="hl-keyword">int</strong> ret;
|
||
u32 key_nums;
|
||
<strong class="hl-keyword">struct</strong> property *prop;
|
||
u32 key_map[MAX_KEY_NUMS];
|
||
<strong class="hl-keyword">struct</strong> device_node *np = dev->of_node;
|
||
|
||
gtp_parse_dt_coords(dev, pdata);
|
||
|
||
ret = of_property_read_u32(np, <span class="hl-string">"irq-flags"</span>,
|
||
&pdata->irq_flags);
|
||
<strong class="hl-keyword">if</strong> (ret) {
|
||
dev_info(dev,
|
||
<span class="hl-string">"Failed get int-trigger-type from dts,set default\n"</span>);
|
||
pdata->irq_flags = GTP_DEFAULT_INT_TRIGGER;
|
||
}
|
||
of_property_read_u32(np, <span class="hl-string">"goodix,int-sync"</span>, &pdata->int_sync);
|
||
<strong class="hl-keyword">if</strong> (pdata->int_sync)
|
||
dev_info(dev, <span class="hl-string">"int-sync enabled\n"</span>);
|
||
|
||
of_property_read_u32(np, <span class="hl-string">"goodix,driver-send-cfg"</span>,
|
||
&pdata->driver_send_cfg);
|
||
<strong class="hl-keyword">if</strong> (pdata->driver_send_cfg)
|
||
dev_info(dev, <span class="hl-string">"driver-send-cfg enabled\n"</span>);
|
||
|
||
of_property_read_u32(np, <span class="hl-string">"goodix,swap-x2y"</span>, &pdata->swap_x2y);
|
||
<strong class="hl-keyword">if</strong> (pdata->swap_x2y)
|
||
dev_info(dev, <span class="hl-string">"swap-x2y enabled\n"</span>);
|
||
|
||
of_property_read_u32(np, <span class="hl-string">"goodix,slide-wakeup"</span>, &pdata->slide_wakeup);
|
||
<strong class="hl-keyword">if</strong> (pdata->slide_wakeup)
|
||
dev_info(dev, <span class="hl-string">"slide-wakeup enabled\n"</span>);
|
||
|
||
of_property_read_u32(np, <span class="hl-string">"goodix,auto-update"</span>, &pdata->auto_update);
|
||
<strong class="hl-keyword">if</strong> (pdata->auto_update)
|
||
dev_info(dev, <span class="hl-string">"auto-update enabled\n"</span>);
|
||
|
||
of_property_read_u32(np, <span class="hl-string">"goodix,auto-update-cfg"</span>,
|
||
&pdata->auto_update_cfg);
|
||
<strong class="hl-keyword">if</strong> (pdata->auto_update_cfg)
|
||
dev_info(dev, <span class="hl-string">"auto-update-cfg enabled\n"</span>);
|
||
|
||
of_property_read_u32(np, <span class="hl-string">"goodix,esd-protect"</span>, &pdata->esd_protect);
|
||
<strong class="hl-keyword">if</strong> (pdata->esd_protect)
|
||
dev_info(dev, <span class="hl-string">"esd-protect enabled\n"</span>);
|
||
|
||
of_property_read_u32(np, <span class="hl-string">"goodix,type-a-report"</span>,
|
||
&pdata->type_a_report);
|
||
<strong class="hl-keyword">if</strong> (pdata->type_a_report)
|
||
dev_info(dev, <span class="hl-string">"type-a-report enabled\n"</span>);
|
||
|
||
of_property_read_u32(np, <span class="hl-string">"goodix,resume-in-workqueue"</span>,
|
||
&pdata->resume_in_workqueue);
|
||
<strong class="hl-keyword">if</strong> (pdata->resume_in_workqueue)
|
||
dev_info(dev, <span class="hl-string">"resume-in-workqueue enabled\n"</span>);
|
||
|
||
of_property_read_u32(np, <span class="hl-string">"goodix,power-off-sleep"</span>,
|
||
&pdata->power_off_sleep);
|
||
<strong class="hl-keyword">if</strong> (pdata->power_off_sleep)
|
||
dev_info(dev, <span class="hl-string">"power-off-sleep enabled\n"</span>);
|
||
|
||
of_property_read_u32(np, <span class="hl-string">"goodix,pen-suppress-finger"</span>,
|
||
&pdata->pen_suppress_finger);
|
||
<strong class="hl-keyword">if</strong> (pdata->pen_suppress_finger)
|
||
dev_info(dev, <span class="hl-string">"pen-suppress-finger enabled\n"</span>);
|
||
|
||
prop = of_find_property(np, <span class="hl-string">"touchscreen-key-map"</span>, NULL);
|
||
<strong class="hl-keyword">if</strong> (prop) {
|
||
key_nums = prop->length / <strong class="hl-keyword">sizeof</strong>(key_map[<span class="hl-number">0</span>]);
|
||
key_nums = key_nums > MAX_KEY_NUMS ? MAX_KEY_NUMS : key_nums;
|
||
|
||
dev_dbg(dev, <span class="hl-string">"key nums %d\n"</span>, key_nums);
|
||
ret = of_property_read_u32_array(np,
|
||
<span class="hl-string">"touchscreen-key-map"</span>, key_map,
|
||
key_nums);
|
||
<strong class="hl-keyword">if</strong> (ret) {
|
||
dev_err(dev, <span class="hl-string">"Unable to read key codes\n"</span>);
|
||
pdata->key_nums = <span class="hl-number">0</span>;
|
||
memset(pdata->key_map, <span class="hl-number">0</span>,
|
||
MAX_KEY_NUMS * <strong class="hl-keyword">sizeof</strong>(pdata->key_map[<span class="hl-number">0</span>]));
|
||
}
|
||
pdata->key_nums = key_nums;
|
||
memcpy(pdata->key_map, key_map,
|
||
key_nums * <strong class="hl-keyword">sizeof</strong>(pdata->key_map[<span class="hl-number">0</span>]));
|
||
dev_info(dev, <span class="hl-string">"key-map is [%x %x %x %x]\n"</span>,
|
||
pdata->key_map[<span class="hl-number">0</span>], pdata->key_map[<span class="hl-number">1</span>],
|
||
pdata->key_map[<span class="hl-number">2</span>], pdata->key_map[<span class="hl-number">3</span>]);
|
||
}
|
||
|
||
pdata->irq_gpio = of_get_named_gpio(np, <span class="hl-string">"irq-gpios"</span>, <span class="hl-number">0</span>);
|
||
<strong class="hl-keyword">if</strong> (!gpio_is_valid(pdata->irq_gpio))
|
||
dev_err(dev, <span class="hl-string">"No valid irq gpio"</span>);
|
||
|
||
pdata->rst_gpio = of_get_named_gpio(np, <span class="hl-string">"reset-gpios"</span>, <span class="hl-number">0</span>);
|
||
<strong class="hl-keyword">if</strong> (!gpio_is_valid(pdata->rst_gpio))
|
||
dev_err(dev, <span class="hl-string">"No valid rst gpio"</span>);
|
||
|
||
<strong class="hl-keyword">return</strong> <span class="hl-number">0</span>;
|
||
}</code></pre></li>
|
||
<li class="- topic/li li" data-ofbid="d189587e204__20250123155220">
|
||
<div class="- topic/p p" data-ofbid="d189587e206__20250123155220">在 <span class="+ topic/ph sw-d/filepath ph filepath">board.dts</span> 中需要对应添加的参数项：
|
||
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__pre_s2r_bkr_gdc" data-ofbid="id__pre_s2r_bkr_gdc"><code>&i2c3 {
|
||
pinctrl-names = <span class="hl-string">"default"</span>;
|
||
pinctrl-<span class="hl-number">0</span> = <&i2c3_pins_a>;
|
||
status = <span class="hl-string">"okay"</span>;
|
||
|
||
gt9xx@<span class="hl-number">5</span>d {
|
||
status = <span class="hl-string">"okay"</span>;
|
||
compatible = <span class="hl-string">"goodix,gt9xx"</span>;
|
||
reg = <<span class="hl-number">0x5d</span>>; <em class="hl-comment">//</em><a class="- topic/xref xref" href="ctp_debug.html#id__div_b5l_5k3_ndc">CTP 设备地址</a>，可以从规格书中获取
|
||
reset-gpios = <&gpio_a <span class="hl-number">8</span> GPIO_ACTIVE_LOW>;
|
||
irq-gpios = <&gpio_a <span class="hl-number">9</span> GPIO_ACTIVE_HIGH>;
|
||
irq-flags = <<span class="hl-number">2</span>>;
|
||
|
||
touchscreen-max-id = <<span class="hl-number">11</span>>;
|
||
touchscreen-size-x = <<span class="hl-number">1024</span>>; <em class="hl-comment">//CTP x 轴的范围</em>
|
||
touchscreen-size-y = <<span class="hl-number">600</span>>; <em class="hl-comment">//CTP y 轴的范围</em>
|
||
touchscreen-max-w = <<span class="hl-number">1024</span>>; <em class="hl-comment">//MAX width</em>
|
||
touchscreen-max-p = <<span class="hl-number">512</span>>; <em class="hl-comment">//MAX pressure</em>
|
||
|
||
goodix,<strong class="hl-keyword">int</strong>-sync = <<span class="hl-number">1</span>>;
|
||
};
|
||
};
|
||
</code></pre></div>
|
||
<div class="- topic/div div" id="id__div_b5l_5k3_ndc"><strong class="+ topic/ph hi-d/b ph b">CTP 设备地址获取</strong><div class="- topic/p p" data-ofbid="d189587e221__20250123155220">在下列规格书示例中， GT9xx
|
||
根据初始化时序的不同支持两种设备地址，默认时序的读写地址为 0xBA/0xBB，和去掉最后一位读写位的读写地址，即设备地址，此处为
|
||
0x5d。<figure class="- topic/fig fig fignone" id="id__fig_u24_ckr_gdc" data-ofbid="id__fig_u24_ckr_gdc">
|
||
<br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="id__image_dsj_ckr_gdc" src="../../../images/rtp/slave_addr.png" alt="slave_addr"/></div><br/>
|
||
</figure>
|
||
</div></div>
|
||
|
||
<div class="- topic/div div"><strong class="+ topic/ph hi-d/b ph b">硬件接线示例图</strong><div class="- topic/p p" data-ofbid="d189587e238__20250123155220">
|
||
<br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="id__image_bdd_dkr_gdc" src="../../../images/hardware/ctp.png" alt="ctp"/></div><br/>
|
||
<div class="- topic/note note note note_note" id="id__note_bfl_dkr_gdc" data-ofbid="id__note_bfl_dkr_gdc"><span class="note__title">注：</span> <div class="note__body">
|
||
<p class="- topic/p p" data-ofbid="d189587e248__20250123155220">确保 dts 所配置的参数和引脚与硬件原理图一致。</p>
|
||
</div></div>
|
||
</div></div>
|
||
</li>
|
||
</ul></div>
|
||
</section>
|
||
<section class="- topic/section section" id="id__section_tfp_2kr_gdc" data-ofbid="id__section_tfp_2kr_gdc"><h2 class="- topic/title title sectiontitle">调试</h2>
|
||
|
||
|
||
<div class="- topic/p p" data-ofbid="d189587e266__20250123155220">
|
||
<ul class="- topic/ul ul" id="id__ul_zk5_2kr_gdc" data-ofbid="id__ul_zk5_2kr_gdc">
|
||
<li class="- topic/li li" data-ofbid="d189587e270__20250123155220">
|
||
<p class="- topic/p p" data-ofbid="d189587e272__20250123155220">测量硬件通路是否正常，测量电压信号是否正常。</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d189587e276__20250123155220">
|
||
<p class="- topic/p p" data-ofbid="d189587e278__20250123155220">查看打印信息</p>
|
||
<p class="- topic/p p" data-ofbid="d189587e281__20250123155220">在 <span class="+ topic/ph sw-d/filepath ph filepath">board.dts</span> 中修改
|
||
<code class="+ topic/ph pr-d/codeph ph codeph">bootargs</code>，增加<code class="+ topic/ph pr-d/codeph ph codeph">“loglevel=8”</code>
|
||
以调高打印级别，系统启动时或
|
||
insmod
|
||
驱动模块时看是否有异常打印。</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d189587e298__20250123155220">
|
||
<p class="- topic/p p" data-ofbid="d189587e300__20250123155220">获取坐标信息</p>
|
||
<p class="- topic/p p" data-ofbid="d189587e303__20250123155220">如果系统有编译 <code class="+ topic/ph pr-d/codeph ph codeph">getevent</code> 工具，可在触摸屏有触摸时进行坐标的打印：</p>
|
||
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__pre_al5_2kr_gdc" data-ofbid="id__pre_al5_2kr_gdc"><code># getevent</code></pre>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d189587e313__20250123155220">
|
||
<p class="- topic/p p" data-ofbid="d189587e315__20250123155220">获取设备信息</p>
|
||
<div class="- topic/p p" data-ofbid="d189587e318__20250123155220">使用以下命令查看设备信息：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_thd_fm3_ndc" data-ofbid="id__codeblock_thd_fm3_ndc"><code>cat /proc/bus/input/devices</code></pre></div>
|
||
<div class="- topic/p p" data-ofbid="d189587e323__20250123155220">输出示例如下：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__pre_bl5_2kr_gdc" data-ofbid="id__pre_bl5_2kr_gdc"><code>I: Bus=<span class="hl-number">0018</span>Vendor=dead Product=beef Version=<span class="hl-number">28</span>bb
|
||
N: Name=<span class="hl-string">"goodix-ts"</span>
|
||
P: Phys=input/ts
|
||
S: Sysfs=/devices/virtual/input/input0
|
||
U: Uniq=
|
||
H: Handlers=event0
|
||
B: PROP=<span class="hl-number">2</span>
|
||
B: EV=b
|
||
B: KEY=<span class="hl-number">1</span>c00 <span class="hl-number">00000</span>
|
||
B: ABS=<span class="hl-number">6e1800000000000</span>
|
||
</code></pre></div>
|
||
</li>
|
||
</ul>
|
||
</div>
|
||
</section>
|
||
|
||
</div>
|
||
</article></main></div>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
</div>
|
||
|
||
<nav role="navigation" id="wh_topic_toc" aria-label="On this page" class="col-lg-2 d-none d-lg-block navbar d-print-none">
|
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<div id="wh_topic_toc_content">
|
||
|
||
<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_uf1_wjr_gdc" data-tocid="id__section_uf1_wjr_gdc">驱动移植</a></div></li><li class="section-item"><div class="section-title"><a href="#id__section_sb1_xjr_gdc" data-tocid="id__section_sb1_xjr_gdc">内核配置</a></div></li><li class="section-item"><div class="section-title"><a href="#id__section_fmr_zjr_gdc" data-tocid="id__section_fmr_zjr_gdc">DTS 参数配置</a></div></li><li class="section-item"><div class="section-title"><a href="#id__section_tfp_2kr_gdc" data-tocid="id__section_tfp_2kr_gdc">调试</a></div></li></ul></div>
|
||
|
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|
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</nav>
|
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|
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<div class=" footer-container mx-auto ">
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<title>footer def</title>
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font-family: FangZhengShuSong, Times, serif;
|
||
}
|
||
.p2 {
|
||
font-family: Arial, Helvetica, sans-serif;
|
||
}
|
||
.p3 {
|
||
font-family: "Lucida Console", "Courier New", monospace;
|
||
}
|
||
|
||
--></style>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
|
||
<div class="webhelp.fragment.footer">
|
||
<p class="p1">Copyright © 2019-2024 广东匠芯创科技有限公司. All rights reserved.</p>
|
||
</div><div>
|
||
<div class="generation_time">
|
||
Update Time: 2025-01-23
|
||
</div>
|
||
</div>
|
||
</div>
|
||
</footer>
|
||
|
||
<button id="go2top" class="d-print-none" title="返回顶部">
|
||
<span class="oxy-icon oxy-icon-up"></span>
|
||
</button>
|
||
|
||
<div id="modal_img_large" class="modal">
|
||
<span class="close oxy-icon oxy-icon-remove"></span>
|
||
<div id="modal_img_container"></div>
|
||
<div id="caption"></div>
|
||
</div>
|
||
|
||
|
||
<script src="${pd}/publishing/publishing-styles-AIC-template/js/custom.js" defer="defer"></script>
|
||
|
||
|
||
</body>
|
||
</html> |