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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/rtc/rtc-debug-guide-lite.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">调试指南</h1><div class="date inPage">15 Jan 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"><section class="- topic/section section" id="rtc_debug_guide_luban_lite__id3" data-ofbid="rtc_debug_guide_luban_lite__id3"><h2 class="- topic/title title sectiontitle">打开调试开关</h2>
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<p class="- topic/p p" data-ofbid="d290185e29__20250121171756">在 <span class="- topic/ph ph">Luban-Lite</span> 中 RTC 驱动的日志控制接口共用了全局的 <span class="+ topic/keyword pr-d/apiname keyword apiname">aic_log.h</span> 接口。</p>
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<div class="- topic/p p" data-ofbid="d290185e38__20250121171756">为了更方便调试，可以单独打开 RTC 模块的 DEBUG
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级别日志（实际上是提升
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DEBUG 到 INFO 级别），详细步骤如下：<ol class="- topic/ol ol" id="rtc_debug_guide_luban_lite__ol_r4j_1pb_ddc" data-ofbid="rtc_debug_guide_luban_lite__ol_r4j_1pb_ddc"><li class="- topic/li li" data-ofbid="d290185e45__20250121171756">在 <span class="- topic/ph ph">Luban-Lite</span>
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根目录下执行以下命令：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="rtc_debug_guide_luban_lite__codeblock_ltq_1pb_ddc" data-ofbid="rtc_debug_guide_luban_lite__codeblock_ltq_1pb_ddc">scons --menuconfig</pre></li><li class="- topic/li li" data-ofbid="d290185e52__20250121171756">在菜单中找到并选择 <code class="+ topic/ph pr-d/codeph ph codeph">Drivers options</code> 后，勾选 <code class="+ topic/ph pr-d/codeph ph codeph">Drivers
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debug</code> 下的 <code class="+ topic/ph pr-d/codeph ph codeph">Enable RTC driver debug</code>
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参数。<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="rtc_debug_guide_luban_lite__codeblock_jvx_t4b_ddc" data-ofbid="rtc_debug_guide_luban_lite__codeblock_jvx_t4b_ddc">Drivers options --->
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Drivers debug --->
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[*] Enable RTC driver debug</pre></li><li class="- topic/li li" data-ofbid="d290185e65__20250121171756">完成上述配置后，保存并退出 <code class="+ topic/ph pr-d/codeph ph codeph">menuconfig</code>。</li><li class="- topic/li li" data-ofbid="d290185e70__20250121171756">启动系统到命令行后，通过命令 <code class="+ topic/ph pr-d/codeph ph codeph">list_device</code> 查看设备注册信息，详细说明可查看 <a xml:lang="zh-CN" lang="zh-CN" class="- topic/xref xref" href="rtc-debug-guide.html#rtc_debug_guide__id2">rtc-debug-guide.html#rtc_debug_guide__id2</a></li><li class="- topic/li li" data-ofbid="d290185e77__20250121171756">修改代码以支持 DEBUG 级别日志。<p class="- topic/p p" data-ofbid="d290185e79__20250121171756">在 RTC 驱动的源文件中，包含 <code class="+ topic/ph pr-d/codeph ph codeph">aic_log.h</code> 头文件，并使用
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<code class="+ topic/ph pr-d/codeph ph codeph">AIC_LOG_*</code> 宏来输出日志信息。</p></li><li class="- topic/li li" data-ofbid="d290185e87__20250121171756">调整日志级别。<p class="- topic/p p" data-ofbid="d290185e89__20250121171756">默认情况下，DEBUG 级别的日志可能不会显示，可以通过调整日志级别来查看 DEBUG 信息。在
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<code class="+ topic/ph pr-d/codeph ph codeph">menuconfig</code>
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中，找到并配置以下选项：</p><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="rtc_debug_guide_luban_lite__codeblock_shf_qpb_ddc" data-ofbid="rtc_debug_guide_luban_lite__codeblock_shf_qpb_ddc">Rt-Thread options --->
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RT-Thread Components --->
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C/C++ and POSIX layer --->
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Log level --->
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[*] Info</pre><p class="- topic/p p" data-ofbid="d290185e96__20250121171756">将日志级别设置为 INFO 后，即可显示 DEBUG
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级别的日志信息。</p></li><li class="- topic/li li" data-ofbid="d290185e99__20250121171756">保存配置并退出 <code class="+ topic/ph pr-d/codeph ph codeph">menuconfig</code>，然后重新编译并烧写固件。启动系统后，通过串口调试工具查看日志输出。</li></ol></div>
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</section><section class="- topic/section section" id="rtc_debug_guide_luban_lite__id2" data-ofbid="rtc_debug_guide_luban_lite__id2"><h2 class="- topic/title title sectiontitle">查看驱动加载状态</h2>
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<p class="- topic/p p" data-ofbid="d290185e110__20250121171756">当使用 RT-Thread，RTC 被正常初始化，会生成设备注册信息。在系统启动后，进入到命令行界面，使用 <code class="+ topic/ph pr-d/codeph ph codeph">list_device</code>
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命令查看设备注册信息：</p>
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<div class="- topic/p p" data-ofbid="d290185e116__20250121171756">输出示例如下：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="rtc_debug_guide_luban_lite__codeblock_qhq_t4b_ddc" data-ofbid="rtc_debug_guide_luban_lite__codeblock_qhq_t4b_ddc">list_device
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device type ref count
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-------- -------------------- ----------
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...
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rtc RTC <span class="hl-number">0</span>
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...</pre><ul class="- topic/ul ul" id="rtc_debug_guide_luban_lite__ul_vwr_gqb_ddc" data-ofbid="rtc_debug_guide_luban_lite__ul_vwr_gqb_ddc"><li class="- topic/li li" data-ofbid="d290185e121__20250121171756"><strong class="+ topic/ph hi-d/b ph b">device</strong>：设备名称，比如 "rtc"。</li><li class="- topic/li li" data-ofbid="d290185e125__20250121171756"><strong class="+ topic/ph hi-d/b ph b">type</strong>：设备类型，比如 "RTC"。</li><li class="- topic/li li" data-ofbid="d290185e129__20250121171756"><strong class="+ topic/ph hi-d/b ph b">ref count</strong>：引用计数，表示有多少个地方在使用这个设备。比如引用计数为 0，表示当前没有引用。</li></ul></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="#rtc_debug_guide_luban_lite__id3" data-tocid="rtc_debug_guide_luban_lite__id3">打开调试开关</a></div></li><li class="section-item"><div class="section-title"><a href="#rtc_debug_guide_luban_lite__id2" data-tocid="rtc_debug_guide_luban_lite__id2">查看驱动加载状态</a></div></li></ul></div>
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