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class="shortdesc">CAN<span class="ph">、CAP</span>、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="false"><div data-tocid="chapter-safety-d5856e6083" class="topicref" data-id="chapter-safety" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action chapter-safety-d5856e6083-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/chapter-title/chapter-safety-sdk.html" id="chapter-safety-d5856e6083-link">安全</a><div class="wh-tooltip"><p 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 topic" 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/psram/psram-test-guide.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">测试指南</h1><div class="date inPage">15 Jan 2024</div><div style="color: gray;">
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<div class="table-container"><table class="- topic/table table frame-all" id="id__table_txb_nyh_bdc" data-ofbid="id__table_txb_nyh_bdc" data-cols="2"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 1</span><span class="table--title-label-punctuation">. </span></span><span class="table--title"></span></caption><colgroup><col/><col/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_txb_nyh_bdc__entry__1">带宽</th><th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_txb_nyh_bdc__entry__2">说明</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_txb_nyh_bdc__entry__1">800 MB/s</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_txb_nyh_bdc__entry__2">CLK 200 MHz, DDR， parallel 模式下 XSPI 总线带宽理论值</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="id__table_txb_nyh_bdc__entry__1">320 MB/s</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="id__table_txb_nyh_bdc__entry__2">CLK 200 MHz, DDR， parallel 模式下 XSPI 的协议损耗数据带宽理论值</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_txb_nyh_bdc__entry__1">290 MB/s</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_txb_nyh_bdc__entry__2">CLK 200 MHz, DDR， parallel 模式下 XSPI 有效传输数据实测带宽值，其中有协议损耗</td></tr></tbody></table></div>
|
||
<div class="- topic/note note note note_note" id="id__note_mbd_d23_ddc" data-ofbid="id__note_mbd_d23_ddc"><span class="note__title">注：</span>
|
||
<p class="- topic/p p" data-ofbid="d224032e55__20250121171648">290 MB/s，CLK 200 MHz, DDR， parallel 模式下 XSPI 有效传输数据实测带宽值，其中有协议损耗。 此测试为 CPU
|
||
带宽测试，转换效率取决于 CPU cache line 长度，传输 burst 越长 XSPI 转换效率越高。</p>
|
||
</div>
|
||
</section><section class="- topic/section section" id="id__bootloader" data-ofbid="id__bootloader"><h2 class="- topic/title title sectiontitle">bootloader 测试开关</h2>
|
||
|
||
<p class="- topic/p p" data-ofbid="d224032e65__20250121171648">在 <span class="- topic/ph ph">Luban-Lite</span> 根目录下执行 <code class="+ topic/ph pr-d/codeph ph codeph">sourceonestep.sh</code> 并
|
||
<code class="+ topic/ph pr-d/codeph ph codeph">lunch</code> 相关 bootloader 配置文件， 再执行 <code class="+ topic/ph pr-d/codeph ph codeph">scons
|
||
--menuconfig</code>，进入 menuconfig 的功能配置界面，按如下选择：</p>
|
||
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_vxb_nyh_bdc" data-ofbid="id__codeblock_vxb_nyh_bdc">Bootloader options --->
|
||
Bootloader commands --->
|
||
[*] psram memory test
|
||
</pre>
|
||
<p class="- topic/p p" data-ofbid="d224032e83__20250121171648">使能 <code class="+ topic/ph pr-d/codeph ph codeph">psrammemorytest</code> 选项后:</p>
|
||
<p class="- topic/p p" data-ofbid="d224032e89__20250121171648">bootloader 的 cmd 中，会支持 test_psram 命令。</p>
|
||
</section><section class="- topic/section section" id="id__rtos" data-ofbid="id__rtos"><h2 class="- topic/title title sectiontitle">RTOS 测试</h2>
|
||
|
||
<ul class="- topic/ul ul" id="id__ul_mkw_zdy_3dc" data-ofbid="id__ul_mkw_zdy_3dc"><li class="- topic/li li" data-ofbid="d224032e98__20250121171648">
|
||
<div class="- topic/div div section" id="id__rtosmemory">
|
||
<strong class="+ topic/ph hi-d/b ph b">memory 测试</strong>
|
||
<div class="- topic/p p" data-ofbid="d224032e105__20250121171648">RTOS 默认配置使能 memory 测试，
|
||
通过:<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_l15_g23_ddc" data-ofbid="id__codeblock_l15_g23_ddc">mem_test <span class="hl-number">0x100000</span> <em class="hl-comment">// 从 psram 中 malloc 0x100000 空间大小作为测试</em>
|
||
mem_test <span class="hl-number">0x40780000</span> <span class="hl-number">0x10000</span> <em class="hl-comment">// 指定 0x40780000 起始地址， 0x10000 空间大小作为测试</em></pre></div></div>
|
||
</li><li class="- topic/li li" data-ofbid="d224032e110__20250121171648">
|
||
<div class="- topic/div div section" id="id__id3">
|
||
<strong class="+ topic/ph hi-d/b ph b">带宽测试</strong>
|
||
<ol class="- topic/ol ol" id="id__ol_gv2_b2y_3dc" data-ofbid="id__ol_gv2_b2y_3dc"><li class="- topic/li li" data-ofbid="d224032e118__20250121171648">
|
||
<p class="- topic/p p" data-ofbid="d224032e120__20250121171648">使能 test_stream:</p>
|
||
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_xxb_nyh_bdc" data-ofbid="id__codeblock_xxb_nyh_bdc">-> Local packages options
|
||
-> Third-party packages options
|
||
-> BenchMark Tests
|
||
[*] STREAM : a benchmark that measures the sustained memory bandwidth. --->
|
||
(<span class="hl-number">262144</span>) Stream test array size.</pre>
|
||
</li><li class="- topic/li li" data-ofbid="d224032e126__20250121171648">
|
||
<div class="- topic/p p" data-ofbid="d224032e128__20250121171648">关闭部分 APP，释放 psram
|
||
空间:<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_yxb_nyh_bdc" data-ofbid="id__codeblock_yxb_nyh_bdc">Board options --->
|
||
[ ] Using Display Engine (DE)
|
||
[ ] Using Graphics Engine (GE)
|
||
[ ] Using Video Engine (VE)
|
||
Application options --->
|
||
[ ] ArtInChip lvgl demo ----
|
||
Local packages options --->
|
||
Third-party packages options --->
|
||
[ ] LVGL (official): powerful and easy-to-use embedded GUI library ----
|
||
ArtInChip packages options --->
|
||
[ ] aic-mpp ----</pre></div>
|
||
</li><li class="- topic/li li" data-ofbid="d224032e133__20250121171648">
|
||
<div class="- topic/p p" data-ofbid="d224032e135__20250121171648">在 RTOS 的 console
|
||
中输入:<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_ctc_j23_ddc" data-ofbid="id__codeblock_ctc_j23_ddc"><em class="hl-comment">// 查看 psram 空间情况</em>
|
||
aic/> free
|
||
memheap pool size max used size available size
|
||
---------------- ---------- ------------- --------------
|
||
heap_cma <span class="hl-number">8388608</span> <span class="hl-number">48</span> <span class="hl-number">8388560</span>
|
||
heap_sys <span class="hl-number">751264</span> <span class="hl-number">19628</span> <span class="hl-number">733852</span>
|
||
|
||
<em class="hl-comment">// 执行测试</em>
|
||
aic/> test_stream</pre></div>
|
||
</li></ol></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="#id__id2" data-tocid="id__id2">相关数据</a></div></li><li class="section-item"><div class="section-title"><a href="#id__bootloader" data-tocid="id__bootloader">bootloader 测试开关</a></div></li><li class="section-item"><div class="section-title"><a href="#id__rtos" data-tocid="id__rtos">RTOS 测试</a></div></li></ul></div>
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