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data-id="id" data-state="expanded"><span role="button" tabindex="0" aria-labelledby="button-collapse-action id-d5856e4111-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/ge/ge_design_lite.html" id="id-d5856e4111-link">设计说明</a></div></div><ul role="group" class="navbar-nav nav-list"><li role="treeitem" class="active"><div data-tocid="ge_normal_mode-d5856e4123" class="topicref" data-id="ge_normal_mode" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/ge/ge_normal_mode_lite.html" id="ge_normal_mode-d5856e4123-link">非命令队列模式</a></div></div></li><li role="treeitem"><div data-tocid="ge_command_queue_mode-d5856e4135" class="topicref" data-id="ge_command_queue_mode" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/ge/ge_cmdq_mode_lite.html" id="ge_command_queue_mode-d5856e4135-link">命令队列模式</a></div></div></li><li 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class="shortdesc">SPI ENC、CE、eFuse 等安全模块的介绍和使用说明。</p></div></div></div></li></ul></li></ul></div>
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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/ge/ge_normal_mode_lite.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">非命令队列模式</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"><p class="- topic/p p" data-ofbid="d155871e24__20250121171615">非命令队列模式，即 normal 模式。</p><div class="- topic/p p" data-ofbid="d155871e26__20250121171615">GE normal 模式的控制流程如下所示：<ul class="- topic/ul ul" id="ge_normal_mode__ul_thh_4pr_ndc" data-ofbid="ge_normal_mode__ul_thh_4pr_ndc"><li class="- topic/li li" data-ofbid="d155871e29__20250121171615">
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<p class="- topic/p p" data-ofbid="d155871e31__20250121171615">GE HAL 层已经实现了 GE 的完整功能，可以不依靠 MPP 层和 DRV 层进行运行。</p>
|
||
</li><li class="- topic/li li" data-ofbid="d155871e34__20250121171615">
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||
<p class="- topic/p p" data-ofbid="d155871e36__20250121171615">在一般情况下，不会直接操作 HAL 层，而是通过 MPP 层间接操作 GE。</p>
|
||
</li></ul></div><p class="- topic/p p" data-ofbid="d155871e39__20250121171615">在 Normal 模式下，可用 <span class="+ topic/keyword pr-d/apiname keyword apiname">hal_ge_control</span> 控制 GE，包括以下几种操作：</p><ul class="- topic/ul ul simple" id="ge_normal_mode__ul_fp5_kvy_2dc" data-ofbid="ge_normal_mode__ul_fp5_kvy_2dc"><li class="- topic/li li" data-ofbid="d155871e45__20250121171615">
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<p class="- topic/p p" data-ofbid="d155871e47__20250121171615">IOC_GE_VERSION</p>
|
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</li><li class="- topic/li li" data-ofbid="d155871e50__20250121171615">
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<p class="- topic/p p" data-ofbid="d155871e52__20250121171615">IOC_GE_MODE</p>
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</li><li class="- topic/li li" data-ofbid="d155871e55__20250121171615">
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<p class="- topic/p p" data-ofbid="d155871e57__20250121171615">IOC_GE_FILLRECT</p>
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||
</li><li class="- topic/li li" data-ofbid="d155871e60__20250121171615">
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<p class="- topic/p p" data-ofbid="d155871e62__20250121171615">IOC_GE_BITBLT</p>
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||
</li><li class="- topic/li li" data-ofbid="d155871e65__20250121171615">
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<p class="- topic/p p" data-ofbid="d155871e67__20250121171615">IOC_GE_ROTATE</p>
|
||
</li></ul><p class="- topic/p p" data-ofbid="d155871e70__20250121171615">在 normal 模式下，对
|
||
<span class="+ topic/keyword pr-d/apiname keyword apiname">IOC_GE_FILLRECT</span>、<span class="+ topic/keyword pr-d/apiname keyword apiname">IOC_GE_BITBLT</span>、<span class="+ topic/keyword pr-d/apiname keyword apiname">IOC_GE_ROTATE</span>
|
||
接口的调用是同步的，即硬件执行任务完成后接口调用才会返回。 </p><section class="- topic/section section" id="ge_normal_mode__section_tmp_3rr_ndc" data-ofbid="ge_normal_mode__section_tmp_3rr_ndc"><h2 class="- topic/title title sectiontitle">关键流程设计</h2>
|
||
|
||
<div class="- topic/div div section">
|
||
<p class="- topic/p p" data-ofbid="d155871e88__20250121171615">在 normal 模式下，GE 驱动各种功能都是通过 <span class="+ topic/keyword pr-d/apiname keyword apiname">hal_ge_control</span> 调用来实现。</p>
|
||
<div class="- topic/p p" data-ofbid="d155871e94__20250121171615">每一次 <span class="+ topic/keyword pr-d/apiname keyword apiname">hal_ge_control</span> 的调用都包括以下步骤：<ol class="- topic/ol ol" id="ge_normal_mode__ol_nnr_smz_2dc" data-ofbid="ge_normal_mode__ol_nnr_smz_2dc"><li class="- topic/li li" data-ofbid="d155871e100__20250121171615">GE 参数配置。</li><li class="- topic/li li" data-ofbid="d155871e102__20250121171615">GE 模块中断开启。</li><li class="- topic/li li" data-ofbid="d155871e104__20250121171615">GE 硬件启动。</li><li class="- topic/li li" data-ofbid="d155871e106__20250121171615">GE 等待中断，当前线程进入等待状态，直到收到中断通知。</li><li class="- topic/li li" data-ofbid="d155871e108__20250121171615">硬件完成任务后，关闭中断。</li></ol></div>
|
||
<p class="- topic/p p" data-ofbid="d155871e111__20250121171615"><span class="+ topic/keyword pr-d/apiname keyword apiname">hal_ge_control</span> 通过 mutex 保护，确保多线程环境下的安全性。在 normal
|
||
模式下，支持多应用同时打开驱动，并调用 <span class="+ topic/keyword pr-d/apiname keyword apiname">hal_ge_control</span>。</p>
|
||
<figure class="- topic/fig fig fignone" id="ge_normal_mode__id13" data-ofbid="ge_normal_mode__id13"><br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="ge_normal_mode__image_gp5_kvy_2dc" src="../../../images/ge/ge_sw_normal_interrupt.png" width="480" alt="ge_sw_normal_interrupt"/></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">Normal 模式中断流程</span></figcaption></figure>
|
||
<p class="- topic/p p" data-ofbid="d155871e126__20250121171615">等待中断流程：</p>
|
||
<ul class="- topic/ul ul" id="ge_normal_mode__ul_hp5_kvy_2dc" data-ofbid="ge_normal_mode__ul_hp5_kvy_2dc"><li class="- topic/li li" data-ofbid="d155871e131__20250121171615">
|
||
<p class="- topic/p p" data-ofbid="d155871e133__20250121171615">在调用 <span class="+ topic/keyword pr-d/apiname keyword apiname">hal_ge_init</span> 时创建事件集： <span class="+ topic/keyword pr-d/apiname keyword apiname">data → wait =
|
||
aicos_event_create()</span>。</p>
|
||
</li><li class="- topic/li li" data-ofbid="d155871e142__20250121171615"><p class="- topic/p p" data-ofbid="d155871e143__20250121171615">在 <span class="+ topic/keyword pr-d/apiname keyword apiname">hal_ge_control</span>
|
||
中调用如下函数，使当前应用在等待事件中睡眠：</p><span class="+ topic/keyword pr-d/apiname keyword apiname">ret = aicos_event_recv(data->wait,
|
||
HW_RUNNING_EVENT, &recved, GE_TIMEOUT)</span>。</li><li class="- topic/li li" data-ofbid="d155871e151__20250121171615">
|
||
<p class="- topic/p p" data-ofbid="d155871e153__20250121171615">在中断服务程序中调用 <span class="+ topic/keyword pr-d/apiname keyword apiname">aicos_event_send(data->wait,
|
||
HW_RUNNING_EVENT)</span>，唤醒等待队列中的睡眠进程。</p>
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