<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[RTT D1s RDC2022开发板开箱及在macOS下成功点亮LCD]]></title><description><![CDATA[<p dir="auto">RTT D1s RDC2022开发板开箱及在macOS上成功点亮LCD</p>
<p dir="auto">收到淘宝寄来的RTT D1s RDC2022开发板，上面介绍说只要发布评测文章就可以得到退款，作为一个资深羊毛党自然不会错过这样的机会，于是大家就看到了这篇文章，请点赞关注转发。</p>
<p dir="auto">首先上开箱图，收到的箱子是这样的:<br />
<img src="/assets/uploads/files/1679666945788-wechatimg210.jpeg" alt="WechatIMG210.jpeg" class=" img-responsive img-markdown" width="1280" height="1706" /><br />
打开箱子后是这样的，包装得很好。<br />
<img src="/assets/uploads/files/1679666966690-wechatimg211.jpeg" alt="WechatIMG211.jpeg" class=" img-responsive img-markdown" width="1280" height="1706" /><br />
除去外面层层塑料膜，里面是一个塑料小盒子。<br />
<img src="/assets/uploads/files/1679666981252-wechatimg212.jpeg" alt="WechatIMG212.jpeg" class=" img-responsive img-markdown" width="1280" height="1706" /><br />
打开盒子，取出RDC2022开发板。开发板做得非常小巧精致，采用的是核心板加底板的结构，引出了多个IO口，底板上集成了两个type-c口，一个用于下载程序，一个用于串口通讯。底板上还集成了LCD接口和SD卡座。<br />
<img src="/assets/uploads/files/1679666995663-wechatimg214.jpeg" alt="WechatIMG214.jpeg" class=" img-responsive img-markdown" width="1280" height="1706" /><br />
<img src="/assets/uploads/files/1679667005038-wechatimg213.jpeg" alt="WechatIMG213.jpeg" class=" img-responsive img-markdown" width="1280" height="1706" /><br />
关于RDC2022开发板的详细介绍以及在Windows操作系统的下载，已经有评测文章发过，这里不多赘述，可以去参考这个帖子 <a href="https://bbs.aw-ol.com/topic/3021">RTT D1s RDC2022纪念版开发板开箱使用分享与折腾记录</a></p>
<p dir="auto">下面介绍如何在macOS电脑中成功下载并且点亮LCD。</p>
<p dir="auto">首先通过brew安装usb驱动程序：</p>
<pre><code>brew install libusb
</code></pre>
<p dir="auto">然后下载xfel源代码，并且切换到支持sdcard的分支：</p>
<pre><code>git clone https://github.com/xboot/xfel
cd xfel
git checkout sdcard
</code></pre>
<p dir="auto">进行编译：</p>
<pre><code>make
</code></pre>
<p dir="auto">完成后执行xfel，显示帮助信息。<br />
<img src="/assets/uploads/files/1679672436119-screen-shot-2023-03-24-at-23.39.20-resized.png" alt="Screen Shot 2023-03-24 at 23.39.20.png" class=" img-responsive img-markdown" /></p>
<p dir="auto">然后按住下载按钮，将usb线插入下载口上电进入下载模式，板上红灯亮。<br />
将sd.bin和sdroot.bin文件复制到当前路径下。<br />
执行以下命令，分别下载内核代码和用户态代码：</p>
<pre><code>./xfel sdcard write 57344 sd.bin
./xfel sdcard write 8388608 sdroot.bin
</code></pre>
<p dir="auto">然后将usb线插入串口，按一下RST键。<br />
最后打开串口调试工具，设置参数，执行命令，如截图所示：<img src="/assets/uploads/files/1679670229382-screen-shot-2023-03-24-at-23.01.59-resized.png" alt="Screen Shot 2023-03-24 at 23.01.59.png" class=" img-responsive img-markdown" /><br />
lvgl程序检测到屏幕并且成功点亮。<br />
<img src="/assets/uploads/files/1679670323395-wechatimg215.jpeg" alt="WechatIMG215.jpeg" class=" img-responsive img-markdown" width="1280" height="1706" /></p>
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