mirror of
https://gitee.com/Vancouver2017/luban-lite-t3e-pro.git
synced 2025-12-14 10:28:54 +00:00
194 lines
12 KiB
HTML
194 lines
12 KiB
HTML
<!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="aic_i2s struct aic_i2s { struct clk *clk; struct reset_control *rst; struct regmap *regmap; struct snd_dmaengine_dai_dma_data playback_dma_data; struct snd_dmaengine_dai_dma_data capture_dma_data; ..."/><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.contributor" content="yan.wang"/><meta name="DC.date.modified" content="2024-12-02"/><meta name="DC.format" content="HTML5"/><meta name="DC.identifier" content="i2s_data_structure_design"/><meta name="DC.language" content="zh-CN"/><title>数据结构设计</title><!-- Build number 2023110923. --><meta name="wh-path2root" content="../../../"/><meta name="wh-toc-id" content=""/><meta name="wh-source-relpath" content="topics/sdk/i2s/i2s_data_struct.dita"/><meta name="wh-out-relpath" content="topics/sdk/i2s/i2s_data_struct.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="i2s_data_structure_design" 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-12" id="wh_topic_body">
|
||
|
||
|
||
|
||
<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/i2s/i2s_data_struct.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">数据结构设计</h1><div class="date inPage">2 Dec 2024</div><div style="color: gray;">
|
||
Read time: 1 minute(s)
|
||
</div><div class="- topic/body concept/conbody body conbody"><div class="- topic/p p" data-ofbid="d55477e22__20250121171519">
|
||
<ul class="- topic/ul ul" id="i2s_data_structure_design__ul_xfn_ch3_d1c" data-ofbid="i2s_data_structure_design__ul_xfn_ch3_d1c"><li class="- topic/li li" data-ofbid="d55477e25__20250121171519"><strong class="+ topic/ph hi-d/b ph b">aic_i2s</strong><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="i2s_data_structure_design__codeblock_jy5_ch3_d1c" data-ofbid="i2s_data_structure_design__codeblock_jy5_ch3_d1c"><strong class="hl-keyword">struct</strong> aic_i2s {
|
||
<strong class="hl-keyword">struct</strong> clk *clk;
|
||
<strong class="hl-keyword">struct</strong> reset_control *rst;
|
||
<strong class="hl-keyword">struct</strong> regmap *regmap;
|
||
|
||
<strong class="hl-keyword">struct</strong> snd_dmaengine_dai_dma_data playback_dma_data;
|
||
<strong class="hl-keyword">struct</strong> snd_dmaengine_dai_dma_data capture_dma_data;
|
||
<strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">int</strong> mclk_freq;
|
||
<strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">int</strong> bclk_ratio;
|
||
<strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">int</strong> format;
|
||
<strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">int</strong> slots;
|
||
<strong class="hl-keyword">unsigned</strong> <strong class="hl-keyword">int</strong> slot_width;
|
||
};</pre><div class="- topic/p p" data-ofbid="d55477e30__20250121171519">部分变量说明：<ul class="- topic/ul ul" id="i2s_data_structure_design__ul_pny_bh3_d1c" data-ofbid="i2s_data_structure_design__ul_pny_bh3_d1c"><li class="- topic/li li" data-ofbid="d55477e33__20250121171519">
|
||
<p class="- topic/p p" data-ofbid="d55477e35__20250121171519">playback_dma_data：播放时的音频数据结构，用于配置 DMA 传输的目的地址，数据宽度等信息</p>
|
||
</li><li class="- topic/li li" data-ofbid="d55477e38__20250121171519">
|
||
<p class="- topic/p p" data-ofbid="d55477e40__20250121171519">capture_dma_data：录音时音频数据结构，用于配置 DMA 传输的起始地址，数据宽度等信息</p>
|
||
</li><li class="- topic/li li" data-ofbid="d55477e43__20250121171519">
|
||
<p class="- topic/p p" data-ofbid="d55477e45__20250121171519">mclk_freq：I2S 的 MCLK 时钟频率</p>
|
||
</li><li class="- topic/li li" data-ofbid="d55477e48__20250121171519">
|
||
<p class="- topic/p p" data-ofbid="d55477e50__20250121171519">bclk_ratio：LRCK 与 BCLK 的比率</p>
|
||
</li><li class="- topic/li li" data-ofbid="d55477e53__20250121171519">
|
||
<p class="- topic/p p" data-ofbid="d55477e55__20250121171519">format：设置 S 的传输格式</p>
|
||
</li><li class="- topic/li li" data-ofbid="d55477e58__20250121171519">
|
||
<p class="- topic/p p" data-ofbid="d55477e60__20250121171519">slots：设置 S 的通道数</p>
|
||
</li><li class="- topic/li li" data-ofbid="d55477e63__20250121171519">
|
||
<p class="- topic/p p" data-ofbid="d55477e65__20250121171519">slot_width：设置 S 的每个通道占用位数</p>
|
||
</li></ul></div></li><li class="- topic/li li" data-ofbid="d55477e68__20250121171519"><strong class="+ topic/ph hi-d/b ph b">aic_i2s_clk_div</strong><pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="i2s_data_structure_design__codeblock_ksf_rh3_d1c" data-ofbid="i2s_data_structure_design__codeblock_ksf_rh3_d1c"><strong class="hl-keyword">struct</strong> aic_i2s_clk_div {
|
||
u8 div; <em class="hl-comment">/* bclk 和 mclk 的分频系数 */</em>
|
||
u8 val; <em class="hl-comment">/* 分频系数 div 所对应的寄存器的值 */</em>
|
||
};</pre></li></ul>
|
||
</div></div></article></main></div>
|
||
|
||
|
||
|
||
|
||
|
||
|
||
</div>
|
||
|
||
</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>
|
||
</html> |