wen/luban-lite-t3e-pro
1
0
Fork 0
mirror of https://gitee.com/Vancouver2017/luban-lite-t3e-pro.git synced 2025-12-19 12:58:55 +00:00
Code Issues Packages Projects Releases Wiki Activity
Files
fe65a0c4085e8d01d8a157701d43b07d08533236
luban-lite-t3e-pro/doc/topics/sdk/rtc/rtc-key-procedure.html

237 lines
25 KiB
HTML
Raw Normal View History

first commit
2025-09-30 11:56:06 +08:00
<!DOCTYPE html><html xmlns="http://www.w3.org/1999/xhtml" xml:lang="zh-cn" lang="zh-cn" data-whc_version="26.0">
<head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><meta name="description" content="校准算法设计 校准的算法原理是，将输入的 32 KHz 晶振时钟校准到理想的 32 KHz，公式如下： ( 100 * 1024 * 1024 + 100 * calibrate) / (clock-rate / 32 ) = 1024 =&gt; calibrate = (clock-rate * 32 - 100 * 1024 * 1024 ) / 100 ; 其中： clock-rate : ..."/><meta name="DC.rights.owner" content="(C) 版权 2025"/><meta name="copyright" content="(C) 版权 2025"/><meta name="generator" content="DITA-OT"/><meta name="DC.type" content="concept"/><meta name="DC.creator" content="yan.wang"/><meta name="DC.date.created" content="2024-01-16"/><meta name="DC.date.modified" content="2024-11-26"/><meta name="DC.format" content="HTML5"/><meta name="DC.identifier" content="rtc_key_procedures"/><meta name="DC.language" content="zh-CN"/><title>关键流程设计</title><!-- Build number 2023110923. --><meta name="wh-path2root" content="../../../"/><meta name="wh-toc-id" content=""/><meta name="wh-source-relpath" content="topics/sdk/rtc/rtc-key-procedure.dita"/><meta name="wh-out-relpath" content="topics/sdk/rtc/rtc-key-procedure.html"/>
<link rel="stylesheet" type="text/css" href="../../../webhelp/app/commons.css?buildId=2023110923"/>
<link rel="stylesheet" type="text/css" href="../../../webhelp/app/topic.css?buildId=2023110923"/>
<script src="../../../webhelp/app/options/properties.js?buildId=20250121171154"></script>
<script src="../../../webhelp/app/localization/strings.js?buildId=2023110923"></script>
<script src="../../../webhelp/app/search/index/keywords.js?buildId=20250121171154"></script>
<script defer="defer" src="../../../webhelp/app/commons.js?buildId=2023110923"></script>
<script defer="defer" src="../../../webhelp/app/topic.js?buildId=2023110923"></script>
<link rel="stylesheet" type="text/css" href="../../../webhelp/template/aic-styles-web.css?buildId=2023110923"/><link rel="stylesheet" type="text/css" href="../../../webhelp/template/notes.css?buildId=2023110923"/><link rel="stylesheet" type="text/css" href="../../../webhelp/template/aic-common.css?buildId=2023110923"/><link rel="stylesheet" type="text/css" href="../../../webhelp/template/aic-images.css?buildId=2023110923"/><link rel="stylesheet" type="text/css" href="../../../webhelp/template/footnote.css?buildId=2023110923"/><link rel="stylesheet" type="text/css" href="../../../webhelp/template/aic-web-watermark.css?buildId=2023110923"/><link rel="stylesheet" type="text/css" href="../../../webhelp/template/topic-body-list.css?buildId=2023110923"/></head>
<body id="rtc_key_procedures" class="wh_topic_page frmBody">
<a href="#wh_topic_body" class="sr-only sr-only-focusable">
跳转到主要内容
</a>
<header class="navbar navbar-default wh_header">
<div class="container-fluid">
<div class="wh_header_flex_container navbar-nav navbar-expand-md navbar-dark">
<div class="wh_logo_and_publication_title_container">
<div class="wh_logo_and_publication_title">
<a href="http://www.artinchip.com" class=" wh_logo d-none d-sm-block "><img src="../../../company-logo-white.png" alt="RTOS SDK 使用指南SDK 指南文件"/></a>
<div class=" wh_publication_title "><a href="../../../index.html"><span class="booktitle"><span class="ph mainbooktitle">RTOS SDK 使用指南</span><span class="ph booktitlealt">SDK 指南文件</span></span></a></div>
</div>
</div>
<div class="wh_top_menu_and_indexterms_link collapse navbar-collapse" id="wh_top_menu_and_indexterms_link">
</div>
</div>
</div>
</header>
<div class=" wh_search_input navbar-form wh_topic_page_search search " role="form">
<form id="searchForm" method="get" role="search" action="../../../search.html"><div><input type="search" placeholder="搜索 " class="wh_search_textfield" id="textToSearch" name="searchQuery" aria-label="搜索查询" required="required"/><button type="submit" class="wh_search_button" aria-label="搜索"><span class="search_input_text">搜索</span></button></div></form>
</div>
<div class="container-fluid" id="wh_topic_container">
<div class="row">
<nav class="wh_tools d-print-none navbar-expand-md" aria-label="Tools">
<div data-tooltip-position="bottom" class=" wh_breadcrumb "></div>
<div class="wh_right_tools">
<button class="wh_hide_highlight" aria-label="切换搜索突出显示" title="切换搜索突出显示"></button>
<button class="webhelp_expand_collapse_sections" data-next-state="collapsed" aria-label="折叠截面" title="折叠截面"></button>
<div class=" wh_print_link print d-none d-md-inline-block "><button onClick="window.print()" title="打印此页" aria-label="打印此页"></button></div>
</div>
</nav>
</div>
<div class="wh_content_area">
<div class="row">
<div class="col-lg-10 col-md-10 col-sm-10 col-xs-12" id="wh_topic_body">
<button id="wh_close_topic_toc_button" class="close-toc-button d-none" aria-label="Toggle topic table of content" aria-controls="wh_topic_toc" aria-expanded="true">
<span class="close-toc-icon-container">
<span class="close-toc-icon"></span>
</span>
</button>
<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-key-procedure.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">关键流程设计</h1><div class="date inPage">26 Nov 2024</div><div style="color: gray;">
Read time: 2 minute(s)
</div><div class="- topic/body concept/conbody body conbody"><section class="- topic/section section" id="rtc_key_procedures__section_h1w_z5s_c1c" data-ofbid="rtc_key_procedures__section_h1w_z5s_c1c"><h2 class="- topic/title title sectiontitle">校准算法设计</h2>
<div class="- topic/p p" data-ofbid="d100703e28__20250121171536">校准的算法原理是，将输入的 32 KHz 晶振时钟校准到理想的 32
KHz，公式如下：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="rtc_key_procedures__codeblock_fbx_sdg_f1c" data-ofbid="rtc_key_procedures__codeblock_fbx_sdg_f1c">(<span class="hl-number">100</span> * <span class="hl-number">1024</span> * <span class="hl-number">1024</span> + <span class="hl-number">100</span> * calibrate) / (clock-rate / <span class="hl-number">32</span>) = <span class="hl-number">1024</span>
=&gt; calibrate = (clock-rate * <span class="hl-number">32</span> - <span class="hl-number">100</span> * <span class="hl-number">1024</span> * <span class="hl-number">1024</span>) / <span class="hl-number">100</span>;</pre></div>
<p class="- topic/p p" data-ofbid="d100703e33__20250121171536">其中：</p>
<ul class="- topic/ul ul" id="rtc_key_procedures__ul_j1w_z5s_c1c" data-ofbid="rtc_key_procedures__ul_j1w_z5s_c1c"><li class="- topic/li li" data-ofbid="d100703e37__20250121171536">
<p class="- topic/p p" data-ofbid="d100703e39__20250121171536"><span class="+ topic/keyword pr-d/parmname keyword parmname">clock-rate</span>: 是用户实测 32K 晶振的频率值 * 100，需要配置在 DTS 中，详见 <a class="- topic/xref xref" href="rtc-config-guide.html#rtc_configuration__table_zjx_1ss_c1c">RTC 自定义参数</a></p>
</li><li class="- topic/li li" data-ofbid="d100703e47__20250121171536">
<p class="- topic/p p" data-ofbid="d100703e49__20250121171536"><span class="+ topic/keyword pr-d/parmname keyword parmname">calibrate</span>: 最终要填入 RTC 控制器的校准值</p>
<div class="- topic/note note note note_note" id="rtc_key_procedures__note_wyf_fvs_c1c" data-ofbid="rtc_key_procedures__note_wyf_fvs_c1c"><span class="note__title">注：</span>
<p class="- topic/p p" data-ofbid="d100703e56__20250121171536">校准值 calibrate 分正负，正 - 表示 32K 晶振实际偏快了，负 - 表示 32K 晶振偏慢了。</p>
</div>
</li></ul>
</section><section class="- topic/section section" id="rtc_key_procedures__section_k1w_z5s_c1c" data-ofbid="rtc_key_procedures__section_k1w_z5s_c1c"><h2 class="- topic/title title sectiontitle">系统状态的备份功能</h2>
<p class="- topic/p p" data-ofbid="d100703e66__20250121171536">RTC 控制器提供了 128-bit 备份寄存器 SYS_BAK，用于掉电时一些重要状态或者参数的保存。RTC 驱动将这几个寄存器封装为对外接口（
<code class="+ topic/ph pr-d/codeph ph codeph">EXPORT_SYMBOL_GPL()</code> 的形式)，Linux 中其他驱动都可以调用。</p>
</section><section class="- topic/section section" id="rtc_key_procedures__section_l1w_z5s_c1c" data-ofbid="rtc_key_procedures__section_l1w_z5s_c1c"><h2 class="- topic/title title sectiontitle">Reboot Reason 的设计</h2>
<p class="- topic/p p" data-ofbid="d100703e78__20250121171536">将<a xml:lang="zh-CN" lang="zh-CN" class="- topic/xref xref" href="rtc-key-procedure.html#rtc_key_procedures__section_k1w_z5s_c1c">系统状态的备份功能</a> 中 <strong class="+ topic/ph hi-d/b ph b">系统备份寄存器</strong> 保存不同情况的
Reboot reason，可用于分析终端运行稳定性问题、进入快速启动模式等场景。</p>
<p class="- topic/p p" data-ofbid="d100703e88__20250121171536">SYS_BAK 寄存器需要和 WRI 模块一起配合来完成 reason 的处理：</p>
<ol class="- topic/ol ol" id="rtc_key_procedures__ol_m1w_z5s_c1c" data-ofbid="rtc_key_procedures__ol_m1w_z5s_c1c"><li class="- topic/li li" data-ofbid="d100703e92__20250121171536">WRI<p class="- topic/p p" data-ofbid="d100703e94__20250121171536">负责记录 <strong class="+ topic/ph hi-d/b ph b">硬件可监测</strong> 到的 Reboot 原因，如过温保护、看门狗复位、外部输入复位等。</p></li><li class="- topic/li li" data-ofbid="d100703e99__20250121171536">SYS_BAK<p class="- topic/p p" data-ofbid="d100703e101__20250121171536">负责记录 <strong class="+ topic/ph hi-d/b ph b">软件可监测</strong> 到的 Reboot 原因，如 Suspend、Panic、进入烧写模式、正常重启等。</p></li></ol>
<p class="- topic/p p" data-ofbid="d100703e107__20250121171536">关于 Reboot 原因，梳理分类如下：</p>
<figure class="- topic/fig fig fignone" id="rtc_key_procedures__fig_wdz_bvs_c1c" data-ofbid="rtc_key_procedures__fig_wdz_bvs_c1c"><br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="rtc_key_procedures__image_p1w_z5s_c1c" src="../../../images/boot/reboot_reason.png" width="576" alt="reboot_reason"/></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">各种情况的 reason 梳理</span></figcaption></figure>
<div class="- topic/note note tip note_tip" id="rtc_key_procedures__note_ntl_bvs_c1c" data-ofbid="rtc_key_procedures__note_ntl_bvs_c1c"><span class="note__title">提示：</span>
<p class="- topic/p p" data-ofbid="d100703e120__20250121171536">其中“外部 IO 复位”指常用的 Reset 按键。</p>
</div>
<div class="- topic/p p" data-ofbid="d100703e124__20250121171536">定义 <strong class="+ topic/ph hi-d/b ph b">SYS_BAK0 寄存器（4~7bit）</strong> 的值如下：（详见
include/linux/reboot-reason.h）<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="rtc_key_procedures__codeblock_zdl_53t_c1c" data-ofbid="rtc_key_procedures__codeblock_zdl_53t_c1c"><strong class="hl-keyword">enum</strong> aic_reboot_reason {
REBOOT_REASON_COLD = <span class="hl-number">0</span>,
REBOOT_REASON_CMD_REBOOT = <span class="hl-number">1</span>,
REBOOT_REASON_CMD_SHUTDOWN = <span class="hl-number">2</span>,
REBOOT_REASON_SUSPEND = <span class="hl-number">3</span>,
REBOOT_REASON_UPGRADE = <span class="hl-number">4</span>,
REBOOT_REASON_FASTBOOT = <span class="hl-number">5</span>,
<em class="hl-comment">/* Some software exception reason */</em>
REBOOT_REASON_SW_LOCKUP = <span class="hl-number">8</span>,
REBOOT_REASON_HW_LOCKUP = <span class="hl-number">9</span>,
REBOOT_REASON_PANIC = <span class="hl-number">10</span>,
REBOOT_REASON_RAMDUMP = <span class="hl-number">11</span>,
<em class="hl-comment">/* Some hardware exception reason */</em>
REBOOT_REASON_RTC = <span class="hl-number">17</span>,
REBOOT_REASON_EXTEND = <span class="hl-number">18</span>,
REBOOT_REASON_DM = <span class="hl-number">19</span>,
REBOOT_REASON_OTP = <span class="hl-number">20</span>,
REBOOT_REASON_UNDER_VOL = <span class="hl-number">21</span>,
};</pre></div>
<p class="- topic/p p" data-ofbid="d100703e132__20250121171536">针对不同场景，SYS_BAK0 寄存器中的 reason 和 WRI 中的 FLAG 值对应如下：</p>
<div class="table-container"><table class="- topic/table table frame-all" id="rtc_key_procedures__table_r1w_z5s_c1c" data-ofbid="rtc_key_procedures__table_r1w_z5s_c1c" data-cols="4"><caption></caption><colgroup><col style="width:20.40816326530612%"/><col style="width:36.93877551020408%"/><col style="width:22.244897959183675%"/><col style="width:20.40816326530612%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="rtc_key_procedures__table_r1w_z5s_c1c__entry__1">场景</th><th class="- topic/entry entry colsep-1 rowsep-1" id="rtc_key_procedures__table_r1w_z5s_c1c__entry__2">触发行为</th><th class="- topic/entry entry colsep-1 rowsep-1" id="rtc_key_procedures__table_r1w_z5s_c1c__entry__3">WRI 状态</th><th class="- topic/entry entry colsep-0 rowsep-1" id="rtc_key_procedures__table_r1w_z5s_c1c__entry__4">SYS_BAK 状态值</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__1" rowspan="3">
<p class="- topic/p p" data-ofbid="d100703e155__20250121171536">正常重启</p>
</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__2">按 Reset 按键</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__3">EXT_RST</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__4">COLD</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__2">shell 中执行 reboot 命令</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__3">WDOG_RST</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__4">CMD_REBOOT</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__2">shell 执行 aicupg 命令进入烧写</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__3">WDOG_RST</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__4">UPGRADE</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__1" rowspan="3">
<p class="- topic/p p" data-ofbid="d100703e181__20250121171536">正常关机</p>
</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__2">长按 PowerOn 按键</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__3">SYS_POR</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__4">COLD</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__2">shell 中执行 poweroff 命令</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__3">SYS_POR</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__4">CMD_SHUTDOWN</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__2">进入深度休眠状态</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__3">SYS_POR</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__4">SUSPEND</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__1" rowspan="8">
<p class="- topic/p p" data-ofbid="d100703e207__20250121171536">异常重启</p>
</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__2">过温保护</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__3">OTP</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__4">COLD</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__2">通过 Jtag 执行 reset 命令</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__3">DM_RST</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__4">COLD</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__2">RTC 模块断电</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__3">RTC_POR</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__4">COLD</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__2">内核中发生 SW Lock</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__3">WDOG_RST</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__4">SW_LOCKUP</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__2">内核中发生 HW Lock</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__3">WDOG_RST</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__4">HW_LOCKUP</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__2">内核中发生 Panic</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__3">WDOG_RST</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__4">PANIC</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__2">内核中触发进入 Ramdump</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__3">WDOG_RST</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__4">RAMDUMP</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__2">电源电压不稳定</td><td class="- topic/entry entry colsep-1 rowsep-0" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__3">CMP_RST</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="rtc_key_procedures__table_r1w_z5s_c1c__entry__4">COLD</td></tr></tbody></table></div>
<div class="- topic/note note note note_note" id="rtc_key_procedures__note_drb_1vs_c1c" data-ofbid="rtc_key_procedures__note_drb_1vs_c1c"><span class="note__title">注：</span>
<p class="- topic/p p" data-ofbid="d100703e269__20250121171536">其中<span class="+ topic/ph ui-d/uicontrol ph uicontrol">按 Reset 按键</span>的情况，因为软件来不及设置 BAK，所以是初始值 0 （COLD）。</p>
</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">
<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="#rtc_key_procedures__section_h1w_z5s_c1c" data-tocid="rtc_key_procedures__section_h1w_z5s_c1c">校准算法设计</a></div></li><li class="section-item"><div class="section-title"><a href="#rtc_key_procedures__section_k1w_z5s_c1c" data-tocid="rtc_key_procedures__section_k1w_z5s_c1c">系统状态的备份功能</a></div></li><li class="section-item"><div class="section-title"><a href="#rtc_key_procedures__section_l1w_z5s_c1c" data-tocid="rtc_key_procedures__section_l1w_z5s_c1c">Reboot Reason 的设计</a></div></li></ul></div>
</div>
</nav>
</div>
</div>
</div>
<footer class="navbar navbar-default wh_footer">
<div class=" footer-container mx-auto ">
<title>footer def</title>
<style><!--
.p1 {
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: 2025-01-21
</div>
</div>
</div>
</footer>
<div id="go2top" class="d-print-none">
<span class="oxy-icon oxy-icon-up"></span>
</div>
<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>
add doc v1.1.2
2025-01-23 16:37:00 +08:00
</html>
Reference in New Issue Copy Permalink