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class="shortdesc">GE、VE、Display、DVP、MPP、MPP 播放器等多媒体模块的介绍和使用说明。</p></div></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="concept_nww_hzh_pzb-d4445e5947" class="topicref" data-id="concept_nww_hzh_pzb" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action concept_nww_hzh_pzb-d4445e5947-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/chapter-title/chapter-interface-sdk.html" id="concept_nww_hzh_pzb-d4445e5947-link">接口</a><div class="wh-tooltip"><p class="shortdesc">CAN、CIR、GPAI、GPIO、I2C、PSADC、PWM 等接口模块的介绍和使用说明。</p></div></div></div></li><li role="treeitem" aria-expanded="true"><div data-tocid="chapter-safety-d4445e7944" class="topicref" data-id="chapter-safety" data-state="expanded"><span role="button" tabindex="0" aria-labelledby="button-collapse-action chapter-safety-d4445e7944-link" class="wh-expand-btn"></span><div class="title"><a 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href="../../../topics/sdk/efuse/efuse_user_guide.html" id="efuse_user_guide-d4445e8115-link">eFuse 使用指南</a></div></div></li><li role="treeitem" aria-expanded="true"><div data-tocid="spi_enc_user_guide-d4445e8185" class="topicref" data-id="spi_enc_user_guide" data-state="expanded"><span role="button" tabindex="0" aria-labelledby="button-collapse-action spi_enc_user_guide-d4445e8185-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/spienc/spi-enc-user-guide.html" id="spi_enc_user_guide-d4445e8185-link">SPI ENC</a></div></div><ul role="group" class="navbar-nav nav-list"><li role="treeitem"><div data-tocid="spi_enc_terms-d4445e8199" class="topicref" data-id="spi_enc_terms" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/spienc/spi-enc-terms.html" id="spi_enc_terms-d4445e8199-link">术语定义</a></div></div></li><li role="treeitem"><div data-tocid="spi_enc_configuration-d4445e8213" class="topicref" data-id="spi_enc_configuration" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/spienc/spi-enc-configuration.html" id="spi_enc_configuration-d4445e8213-link">SPI ENC 配置</a></div></div></li><li role="treeitem"><div data-tocid="spi_enc_debug_guide-d4445e8227" class="topicref" data-id="spi_enc_debug_guide" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/spienc/spi-enc-debug_guide.html" id="spi_enc_debug_guide-d4445e8227-link">调试指南</a></div></div></li><li role="treeitem" class="active"><div data-tocid="spi_enc_test_guide-d4445e8241" class="topicref" data-id="spi_enc_test_guide" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/spienc/spi-enc-test_guide.html" id="spi_enc_test_guide-d4445e8241-link">测试指南</a></div></div></li><li role="treeitem" aria-expanded="false"><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">
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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/spienc/spi-enc-test_guide.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">测试指南</h1>
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<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 class="- topic/body concept/conbody body conbody">
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<section class="- topic/section section" id="spi_enc_test_guide__section_etr_jrx_21c" data-ofbid="spi_enc_test_guide__section_etr_jrx_21c"><h2 class="- topic/title title sectiontitle">测试的配置</h2>
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<ol class="- topic/ol ol" id="spi_enc_test_guide__ol_gtr_jrx_21c" data-ofbid="spi_enc_test_guide__ol_gtr_jrx_21c">
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<li class="- topic/li li" data-ofbid="d213480e40__20250123155224">
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<p class="- topic/p p" data-ofbid="d213480e42__20250123155224">需要按照 <a class="- topic/xref xref" href="spi-enc-debug_guide.html">调试指南</a> 使能调试开关</p>
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</li>
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<li class="- topic/li li" data-ofbid="d213480e50__20250123155224">
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<p class="- topic/p p" data-ofbid="d213480e52__20250123155224">编译 mtd-util 中的 Flash 工具</p>
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<p class="- topic/p p" data-ofbid="d213480e55__20250123155224">mtd-util 的使能方法：</p>
|
||
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="spi_enc_test_guide__pre_htr_jrx_21c" data-ofbid="spi_enc_test_guide__pre_htr_jrx_21c"><code><span class="+ topic/keyword sw-d/cmdname keyword cmdname">make menuconfig</span>
|
||
</code></pre>
|
||
<p class="- topic/p p" data-ofbid="d213480e63__20250123155224">然后勾选：</p>
|
||
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="spi_enc_test_guide__pre_itr_jrx_21c" data-ofbid="spi_enc_test_guide__pre_itr_jrx_21c"><code>Third-party packages --->
|
||
[*] mtd, jffs2 and ubi/ubifs tools --->
|
||
[*] mtd_debug
|
||
</code></pre>
|
||
</li>
|
||
</ol>
|
||
</section>
|
||
<section class="- topic/section section" id="spi_enc_test_guide__section_jtr_jrx_21c" data-ofbid="spi_enc_test_guide__section_jtr_jrx_21c"><h2 class="- topic/title title sectiontitle">测试的命令</h2>
|
||
|
||
<p class="- topic/p p" data-ofbid="d213480e77__20250123155224">查看分区的信息：</p>
|
||
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="spi_enc_test_guide__pre_ktr_jrx_21c" data-ofbid="spi_enc_test_guide__pre_ktr_jrx_21c"><code>mtd_debug info <device>
|
||
|
||
e.g.
|
||
mtd_debug info /dev/mtd0
|
||
</code></pre>
|
||
<p class="- topic/p p" data-ofbid="d213480e83__20250123155224">擦除数据：</p>
|
||
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="spi_enc_test_guide__pre_ltr_jrx_21c" data-ofbid="spi_enc_test_guide__pre_ltr_jrx_21c"><code>mtd_debug erase <device> <offset> <len>
|
||
|
||
e.g.
|
||
mtd_debug erase /dev/mtd0 <span class="hl-number">0x0</span> <span class="hl-number">0x40000</span>
|
||
</code></pre>
|
||
<p class="- topic/p p" data-ofbid="d213480e90__20250123155224">写入数据：</p>
|
||
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="spi_enc_test_guide__pre_mtr_jrx_21c" data-ofbid="spi_enc_test_guide__pre_mtr_jrx_21c"><code>mtd_debug write <device> <offset> <len> <source-filename>
|
||
|
||
e.g.
|
||
mtd_debug write /dev/mtd0/ <span class="hl-number">0</span> <span class="hl-number">0x40000</span> data.bin
|
||
</code></pre>
|
||
<p class="- topic/p p" data-ofbid="d213480e96__20250123155224">读取数据：</p>
|
||
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="spi_enc_test_guide__pre_ntr_jrx_21c" data-ofbid="spi_enc_test_guide__pre_ntr_jrx_21c"><code>mtd_debug read <device> <offset> <len> <dest-filename>
|
||
|
||
e.g.
|
||
mtd_debug read /dev/mtd0/ <span class="hl-number">0</span> <span class="hl-number">0x40000</span> data.bin
|
||
</code></pre>
|
||
</section>
|
||
<section class="- topic/section section" id="spi_enc_test_guide__section_otr_jrx_21c" data-ofbid="spi_enc_test_guide__section_otr_jrx_21c"><h2 class="- topic/title title sectiontitle">读写的测试</h2>
|
||
|
||
<p class="- topic/p p" data-ofbid="d213480e108__20250123155224">测试写入到 Flash 的数据是否被加密：</p>
|
||
<ol class="- topic/ol ol" id="spi_enc_test_guide__ol_qtr_jrx_21c" data-ofbid="spi_enc_test_guide__ol_qtr_jrx_21c">
|
||
<li class="- topic/li li" data-ofbid="d213480e113__20250123155224">
|
||
<p class="- topic/p p" data-ofbid="d213480e115__20250123155224">写之前注意确认 SPI_ENC 没有被 Bypass</p>
|
||
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="spi_enc_test_guide__pre_rtr_jrx_21c" data-ofbid="spi_enc_test_guide__pre_rtr_jrx_21c"><code>cat /sys/devices/platform/soc/<span class="hl-number">18100000.</span>spienc/bypass
|
||
</code></pre>
|
||
<p class="- topic/p p" data-ofbid="d213480e121__20250123155224">应得到</p>
|
||
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="spi_enc_test_guide__pre_str_jrx_21c" data-ofbid="spi_enc_test_guide__pre_str_jrx_21c"><code>bypass = <span class="hl-number">0</span>
|
||
</code></pre>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d213480e128__20250123155224">
|
||
<p class="- topic/p p" data-ofbid="d213480e130__20250123155224">写入测试数据</p>
|
||
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="spi_enc_test_guide__pre_ttr_jrx_21c" data-ofbid="spi_enc_test_guide__pre_ttr_jrx_21c"><code>mtd_debug write /dev/mtd0/ <span class="hl-number">0</span> <span class="hl-number">0x40000</span> data.bin
|
||
</code></pre>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d213480e137__20250123155224">
|
||
<p class="- topic/p p" data-ofbid="d213480e139__20250123155224">Bypass SPI_ENC 然后读取 Flash Raw data</p>
|
||
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="spi_enc_test_guide__pre_utr_jrx_21c" data-ofbid="spi_enc_test_guide__pre_utr_jrx_21c"><code>echo <span class="hl-string">"1"</span> > /sys/devices/platform/soc/<span class="hl-number">18100000.</span>spienc/bypass
|
||
mtd_debug read /dev/mtd0/ <span class="hl-number">0</span> <span class="hl-number">0x40000</span> raw_data.bin
|
||
</code></pre>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d213480e146__20250123155224">
|
||
<p class="- topic/p p" data-ofbid="d213480e148__20250123155224">对比两份数据，应该不同</p>
|
||
</li>
|
||
</ol>
|
||
<div class="- topic/p p" data-ofbid="d213480e153__20250123155224">测试 Bypass 写入的数据没有被加密：<ol class="- topic/ol ol" id="spi_enc_test_guide__ol_wtr_jrx_21c" data-ofbid="spi_enc_test_guide__ol_wtr_jrx_21c">
|
||
<li class="- topic/li li" data-ofbid="d213480e157__20250123155224">
|
||
<p class="- topic/p p" data-ofbid="d213480e159__20250123155224">设置 Bypass</p>
|
||
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="spi_enc_test_guide__pre_xtr_jrx_21c" data-ofbid="spi_enc_test_guide__pre_xtr_jrx_21c"><code>echo <span class="hl-string">"1"</span> > /sys/devices/platform/soc/<span class="hl-number">18100000.</span>spienc/bypass
|
||
</code></pre>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d213480e166__20250123155224">
|
||
<p class="- topic/p p" data-ofbid="d213480e168__20250123155224">写入测试数据</p>
|
||
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="spi_enc_test_guide__pre_ztr_jrx_21c" data-ofbid="spi_enc_test_guide__pre_ztr_jrx_21c"><code>mtd_debug write /dev/mtd0/ <span class="hl-number">0</span> <span class="hl-number">0x40000</span> data.bin
|
||
</code></pre>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d213480e175__20250123155224">
|
||
<p class="- topic/p p" data-ofbid="d213480e177__20250123155224">读取数据</p>
|
||
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="spi_enc_test_guide__pre_a5r_jrx_21c" data-ofbid="spi_enc_test_guide__pre_a5r_jrx_21c"><code>mtd_debug read /dev/mtd0/ <span class="hl-number">0</span> <span class="hl-number">0x40000</span> raw_data.bin
|
||
</code></pre>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d213480e184__20250123155224">
|
||
<p class="- topic/p p" data-ofbid="d213480e186__20250123155224">对比两份数据，应该相同</p>
|
||
</li>
|
||
</ol></div>
|
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|
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