<?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[04_使用DongshanPi-D1s开发板基于melis4.0使用spi tftlcd屏幕]]></title><description><![CDATA[<h1>配置</h1>
<p dir="auto">执行 <code>make menuconfig</code> 进入到 <code>&gt; Kernel Setup &gt; Subsystem support &gt; 100ASK Components Support  ---&gt; </code> 打开 <code>[*]   SPI LCD Test</code>：</p>
<p dir="auto"><img src="/assets/uploads/files/1668676322984-bc7e223d-3e40-4cf1-bb1a-2d7b0d420e0e-04_001.jpg" alt="bc7e223d-3e40-4cf1-bb1a-2d7b0d420e0e-04_001.jpg" class=" img-responsive img-markdown" width="1045" height="468" /></p>
<h1>编译打包</h1>
<p dir="auto">然后执行 <code>make -j8 &amp;&amp; pack</code> 进行编译。</p>
<h1>烧写</h1>
<p dir="auto">使用全志官方 PhoenixSuit 烧写烧写上一步编译打包好的镜像文件 <code>melis_d1s-nezha_uart0_8Mnor.img</code></p>
<p dir="auto">烧写工具使用参考: <a href="https://dongshanpi.com/DongshanNezhaSTU/03-QuickStart/#spi-nand" target="_blank" rel="noopener noreferrer nofollow ugc">https://dongshanpi.com/DongshanNezhaSTU/03-QuickStart/#spi-nand</a></p>
<h1>接线</h1>
<p dir="auto">查看 <code>D1s-Melis/ekernel/subsys/melis-learn/04_spi_lcd_test/README.md</code> 了解如何接线。</p>
<h1>运行现象</h1>
<p dir="auto">确保接线无误之后，我们进入到 DongshanPi-D1s 的串口控制台，执行 <code>help</code> 命令，将会看到最后面多出了一个命令选项：</p>
<pre><code class="language-shell">
msh /&gt; help
...
...
100ask_test_spi_lcd - Code to spi lcd test
</code></pre>
<p dir="auto">执行 <code>100ask_test_spi_lcd</code>，将会看到屏幕将会一次全屏刷新显示 <strong>红、绿、蓝、白</strong> 四种颜色：</p>
<pre><code class="language-shell">msh /&gt;100ask_test_spi_lcd
</code></pre>
<p dir="auto"><img src="/assets/uploads/files/1668676330050-12aba6b7-6669-43fe-8fa9-ae7dccc9a6d6-04_002.jpg" alt="12aba6b7-6669-43fe-8fa9-ae7dccc9a6d6-04_002.jpg" class=" img-responsive img-markdown" width="1170" height="552" /></p>
<blockquote>
<p dir="auto">SPI tft lcd屏幕： <a href="https://item.taobao.com/item.htm?id=683875901407" target="_blank" rel="noopener noreferrer nofollow ugc">https://item.taobao.com/item.htm?id=683875901407</a></p>
</blockquote>
<h1>查看源码</h1>
<p dir="auto">源码位于：  <code>D1s-Melis/ekernel/subsys/melis-learn/04_spi_lcd_test</code></p>
<h1>教程导航</h1>
<ul>
<li><a href="https://forums.100ask.net/t/topic/1612/2" target="_blank" rel="noopener noreferrer nofollow ugc">00_使用DongshanPi-D1s开发板学习melis4.0开发</a></li>
<li><a href="https://forums.100ask.net/t/topic/1613/2" target="_blank" rel="noopener noreferrer nofollow ugc">01_使用DongshanPi-D1s开发板基于melis4.0点亮LED灯</a></li>
<li><a href="https://forums.100ask.net/t/topic/1614/2" target="_blank" rel="noopener noreferrer nofollow ugc">02_使用DongshanPi-D1s开发板基于melis4.0通过按键点亮LED</a></li>
<li><a href="https://forums.100ask.net/t/topic/1615/2" target="_blank" rel="noopener noreferrer nofollow ugc">03_使用DongshanPi-D1s开发板基于melis4.0使用fc手柄</a></li>
<li><strong>04_使用DongshanPi-D1s开发板基于melis4.0使用spi tftlcd屏幕</strong></li>
<li><a href="https://forums.100ask.net/t/topic/1618/2" target="_blank" rel="noopener noreferrer nofollow ugc">05_使用DongshanPi-D1s开发板基于melis4.0使用spi墨水屏</a></li>
</ul>
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