[复旦微FM33LG0系列开发板测评] 复旦微芯片使用J-Scope波形软件加速产品开发
本帖最后由 AE007 于 2021-12-13 02:42 编辑<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri,sans-serif"> <span style="font-family:宋体">在实际项目中，我们需要将传感器或者</span> ADC <span style="font-family:宋体">的数值以波形的形式显示。通常的解决办法是用</span> USB <span style="font-family:宋体">接口上位机或者存储整理出一部分采集数据，使用这种方式比较繁琐。现在可以使用</span> J-Scope <span style="font-family:宋体">波形软件的快速显示模式，将</span> JLINK <span style="font-family:宋体">插上即可。</span></span></span></p>
<h2 style="text-align:justify; margin-top:18px; margin-bottom:18px"><span style="font-size:16pt"><span style="line-height:173%"><span style="font-family:"Calibri Light",sans-serif"><span lang="EN-US" style="font-size:14.0pt"><span style="line-height:173%">J-Scope</span></span><span style="font-family:宋体">概述</span></span></span></span></h2>
<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri,sans-serif"> J-Scope <span style="font-family:宋体">是一款免费软件，可在目标运行时实时分析和可视化微控制器上的数据。</span></span></span></p>
<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri,sans-serif"> <span style="font-family:宋体">主要有</span> RTT <span style="font-family:宋体">和</span> HSS <span style="font-family:宋体">两种工作方式</span> </span></span></p>
<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri,sans-serif"> HSS <span style="font-family:宋体">模式：仅需大家将</span> MDK <span style="font-family:宋体">生成的可执行文件</span> xxx.axf <span style="font-family:宋体">或者</span> IAR <span style="font-family:宋体">生成的可执行文件</span> xxx.out <span style="font-family:宋体">文件加载到</span> J-Scope<span style="font-family:宋体">软件里面即可。采样率</span>1KHZ<span style="font-family:宋体">左右</span></span></span></p>
<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri,sans-serif"> RTT <span style="font-family:宋体">模式：这种方式类似串口上传数据，只是换成了</span> SWD <span style="font-family:宋体">接口。（需要修改程序，速度比</span>HSS<span style="font-family:宋体">快）</span></span></span></p>
<h2 style="text-align:justify; margin-top:18px; margin-bottom:18px"><span style="font-size:16pt"><span style="line-height:173%"><span style="font-family:"Calibri Light",sans-serif"><span style="font-family:宋体">本次测试说明：</span></span></span></span></h2>
<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri,sans-serif"> <span style="font-family:宋体">使用</span>HSS <span style="font-family:宋体">模式调试</span>FM33LG0<span style="font-family:宋体">开发板，通过</span>AD<span style="font-family:宋体">采集的数据在</span>J-Scope<span style="font-family:宋体">上显示波形。</span></span></span></p>
<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri,sans-serif"> JLINK<span style="font-family:宋体">是</span>JLINK-V9<span style="font-family:宋体">，驱动是</span>JLink_Windows_V614b<span style="font-family:宋体">。</span>J-Scope<span style="font-family:宋体">是</span>Setup_JScope_V611m<span style="font-family:宋体">。</span></span></span></p>
<h2 style="text-align:justify; margin-top:18px; margin-bottom:18px"><span style="font-size:16pt"><span style="line-height:173%"><span style="font-family:"Calibri Light",sans-serif"><span style="font-family:宋体">使用流程</span></span></span></span></h2>
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<li style="margin-left:12px; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri,sans-serif"><span style="font-family:宋体">把程序烧录到</span>MCU<span style="font-family:宋体">中</span></span></span></li>
<li style="margin-left:12px; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri,sans-serif"><span style="font-family:宋体">打开</span>J-Scope<span style="font-family:宋体">软件</span> <span style="font-family:宋体">选择新建工程</span></span></span></li>
</ol>
<p style="text-align: justify; margin-left: 40px;"><span style="font-size:10.5pt"><span style="font-family:Calibri,sans-serif"> </span></span></p>
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<p style="text-align: justify; margin-left: 40px;"> </p>
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<li style="margin-left:12px; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri,sans-serif"><span style="font-family:宋体">选择</span>USB<span style="font-family:宋体">模式，芯片为</span>Cortex-M0<span style="font-family:宋体">，</span>Elf File<span style="font-family:宋体">在工程项目</span>Objects<span style="font-family:宋体">中的</span>xxx.axf<span style="font-family:宋体">。然后点击</span>OK<span style="font-family:宋体">。</span></span></span></li>
</ol>
<p style="margin-left: 80px; text-align: justify;"><span style="font-size:10.5pt"><span style="font-family:Calibri,sans-serif"> </span></span></p>
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<li style="margin-left:12px; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri,sans-serif"><span style="font-family:宋体">选择需要显示的变量（只有全局变量）</span></span></span></li>
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<li style="margin-left:12px; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri,sans-serif"><span style="font-family:宋体">点击菜单栏上的小红点开始运行，会有弹框点击</span>OK<span style="font-family:宋体">就行。（下面就是我转动电位器的波形）</span></span></span></li>
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<li style="margin-left:12px; text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri,sans-serif">J-Scope显示的<span style="font-family:宋体">电位器中位值为</span>1624<span style="font-family:宋体">与实际</span>LCD<span style="font-family:宋体">显示的值一致（</span>LCD<span style="font-family:宋体">只有</span>3<span style="font-family:宋体">位数字）</span></span></span></li>
</ol>
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<h2 style="text-align:justify; margin-top:18px; margin-bottom:18px"><span style="font-size:16pt"><span style="line-height:173%"><span style="font-family:"Calibri Light",sans-serif"><span style="font-family:宋体">总结</span></span></span></span></h2>
<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri,sans-serif"> HSS <span style="font-family:宋体">模式适合采样变化速度低于</span> 1KHz <span style="font-family:宋体">的变量，不限制变量类型，</span>8bit <span style="font-family:宋体">到</span> 64bit <span style="font-family:宋体">均可。在项目调试中</span> <span style="font-family:宋体">还是非常实用的，特别是各种传感器的波形显示，建议大家都尝试一下。</span></span></span></p>
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<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri,sans-serif"><span style="font-family:宋体">本次使用的软件和代码也一并上传。</span></span></span></p>
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<p>HSS 模式用在传感器的波形显示确实比较实用，收藏</p>
<p>这种方式查看波形确实方便</p>
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