【NUCLEO-L452RE测评】+初品
<p style="text-align:justify"><span style="font-size:10.5pt"><span style="font-family:Calibri,sans-serif"><span style="font-family:宋体">此次有幸申请到</span>NUCLEO-L452RE<span style="font-family:宋体">开发板,其外观如图</span>1<span style="font-family:宋体">所示。</span></span></span></p><p style="text-align:justify"></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">图</span>1 <span style="font-family:宋体">开发板外观</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">在开发板上电后,可看到电源指示灯</span>LD3<span style="font-family:宋体">被点亮,此外</span>LD2<span style="font-family:宋体">也在不紧不慢地眨着眼,若按下</span>B1<span style="font-family:宋体">用户键,则</span>LD2<span style="font-family:宋体">像是被警告般地加了把劲,眨眼的速度会明显地加快。</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">图</span>2 <span style="font-family:宋体">上电效果</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">有了开发板,自然要构建相应的开发环境,我惯用的开发工具是</span>KEIL<span style="font-family:宋体">,且目前使用的版本是</span>V5.23<span style="font-family:宋体">,故可以免去高版本的麻烦。当然,升级包还是要安装,所用的升级包为</span>Keil.STM32L4xx_DFP.2.3.0<span style="font-family:宋体">。</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">在安装之后,即可在芯片列表中见到</span>STM32L452RE<span style="font-family:宋体">的身影。</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">图</span>3 <span style="font-family:宋体">添加芯片支持</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">另外,为了之后下载的需要,应按图</span>4<span style="font-family:宋体">所示来设置调试工具。</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">图</span>4 <span style="font-family:宋体">设置调试器</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">此外,还需选取相应的烧录算法,参见图</span>5<span style="font-family:宋体">所示,这样就完成了开发环境的搭建。</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">图</span>5 <span style="font-family:宋体">选取烧录算法</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">在开发板连接到电脑的情况下,可见到调试器被激活,见图</span>6<span style="font-family:宋体">所示。</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">图</span>6 <span style="font-family:宋体">激活调试工具</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">在开发环境构建后,需使用例程进行程序的编译和下载测试,以确保开发工作的可靠使用。</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">图</span>6 <span style="font-family:宋体">实现程序下载</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">在</span>GPIO<span style="font-family:宋体">的例程下载后,可发现</span>LD2<span style="font-family:宋体">又在不紧不慢地眨眼了,但此时若按下</span>B1<span style="font-family:宋体">用户键,已不再有加快闪动频率的作用,这说明下载程序起作用了,下载成功。</span></span></span></p>
<p><span style="font-size:10.5pt"><span style="font-family:宋体">后面,我们将探索开发板的外设功能扩展。</span></span></p>
<p>ST的NUCLEO板子用着是不是还不错!</p>
<p>谢谢分享</p>
专业PCB 发表于 2020-12-9 10:01
谢谢分享
<p>多谢支持!!!</p>
<p>L4系列兼顾了性能和功耗,的确还可以,就是价格高了点。</p>
<p>动作好快,这么快就拿到了。</p>
<p>进水楼台也!</p>
w494143467 发表于 2020-12-9 09:13
ST的NUCLEO板子用着是不是还不错!
<p>用的型号比较多了之后,就觉得十分顺手了。不想新厂家的新产品,要重新走过一遍才熟悉起来。</p>
dcexpert 发表于 2020-12-9 13:30
L4系列兼顾了性能和功耗,的确还可以,就是价格高了点。
<p>是,如果出产品成本就比较敏感了!</p>
jinglixixi 发表于 2020-12-9 17:00
是,如果出产品成本就比较敏感了!
<p>量是个问题,量大成本就会低,量小成本就高。</p>
专业PCB 发表于 2020-12-10 11:35
量是个问题,量大成本就会低,量小成本就高。
<p>没错!!!</p>
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