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LCD.html
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<h1 class="Header__Title">ILI9225笔记</h1>
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<span class="DateTagBar__Item DateTagBar__Date">Posted on Mon, Feb 6, 2023</span>
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<article id="https://www.notion.so/4c808c07f82e4b84831e098215550e5e" class="PageRoot"><h3 id="https://www.notion.so/0b4aa2e7b02845d7a2d7dfd4f54595d4" class="ColorfulBlock ColorfulBlock--ColorDefault Heading Heading--3"><a class="Anchor" href="#https://www.notion.so/0b4aa2e7b02845d7a2d7dfd4f54595d4"><svg width="16" height="16" viewBox="0 0 16 16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><span class="SemanticStringArray"><span class="SemanticString">ILI9225笔记</span></span></h3><ul id="https://www.notion.so/f56e4d80d4a0433f9fc446e80200293b" class="ColorfulBlock ColorfulBlock--ColorGray TableOfContents"><li class="TableOfContents__Item"><a href="#https://www.notion.so/0b4aa2e7b02845d7a2d7dfd4f54595d4"><div style="margin-left:0px"><span class="SemanticStringArray"><span class="SemanticString">ILI9225笔记</span></span></div></a></li><li class="TableOfContents__Item"><a href="#https://www.notion.so/24539d95c12a409085d675afabe50012"><div style="margin-left:0px"><span class="SemanticStringArray"><span class="SemanticString">LCD_ 函数</span></span></div></a></li><li class="TableOfContents__Item"><a href="#https://www.notion.so/7e0f0b7ae3aa4b40ab4d7812ee51ac1f"><div style="margin-left:24px"><span class="SemanticStringArray"><span class="SemanticString">LCD_setAddrWindow</span></span></div></a></li><li class="TableOfContents__Item"><a href="#https://www.notion.so/024fe175b670481f9c4471ad56b35285"><div style="margin-left:24px"><span class="SemanticStringArray"><span class="SemanticString">LCD_init [初始化]</span></span></div></a></li><li class="TableOfContents__Item"><a href="#https://www.notion.so/a5244b6f69f1445ba67ce3099f4ec345"><div style="margin-left:24px"><span class="SemanticStringArray"><span class="SemanticString">LCD_setDir</span></span></div></a></li><li class="TableOfContents__Item"><a href="#https://www.notion.so/eb4bb479323741299a781a785754b6d3"><div style="margin-left:24px"><span class="SemanticStringArray"><span class="SemanticString">LCD_setColor —LCD_setFont</span></span></div></a></li><li class="TableOfContents__Item"><a href="#https://www.notion.so/4cb502725fc942dab276d3a1c6534f13"><div style="margin-left:24px"><span class="SemanticStringArray"><span class="SemanticString">LCD_showChar</span></span></div></a></li><li class="TableOfContents__Item"><a href="#https://www.notion.so/ccface900a8e4dc39ec8e2bd4318a8cc"><div style="margin-left:24px"><span class="SemanticStringArray"><span class="SemanticString">LCD_showString</span></span></div></a></li><li class="TableOfContents__Item"><a href="#https://www.notion.so/97c00485d4b844a7856336ec63295e5a"><div style="margin-left:24px"><span class="SemanticStringArray"><span class="SemanticString">LCD_showPicture</span></span></div></a></li><li class="TableOfContents__Item"><a href="#https://www.notion.so/5ff71572b1ee4328809e5f2aec6dc324"><div style="margin-left:24px"><span class="SemanticStringArray"><span class="SemanticString">LCD_clear</span></span></div></a></li><li class="TableOfContents__Item"><a href="#https://www.notion.so/a0a4daa815a8435193d4f9732c4c9d90"><div style="margin-left:24px"><span class="SemanticStringArray"><span class="SemanticString">LCD_fillCircle—LCD_fillSemiCircle</span></span></div></a></li><li class="TableOfContents__Item"><a href="#https://www.notion.so/32825f67071c44ba9673f8d8c1ccbe76"><div style="margin-left:24px"><span class="SemanticStringArray"><span class="SemanticString">LCD_writeByte—LCD_writeHalfword</span></span></div></a></li><li class="TableOfContents__Item"><a href="#https://www.notion.so/024c8f6cebb04d0bb6c928d38cbb4e09"><div style="margin-left:24px"><span class="SemanticStringArray"><span class="SemanticString">LCD_writeCmd</span></span></div></a></li><li class="TableOfContents__Item"><a href="#https://www.notion.so/d89904d358224d758cdf332a520bb286"><div style="margin-left:24px"><span class="SemanticStringArray"><span class="SemanticString">LCD_fill</span></span></div></a></li><li class="TableOfContents__Item"><a href="#https://www.notion.so/a34b3b7de225439281e58022a54f1488"><div style="margin-left:24px"><span class="SemanticStringArray"><span class="SemanticString">LCD_drawPixel</span></span></div></a></li><li class="TableOfContents__Item"><a href="#https://www.notion.so/1eb4495f5e1c40748b2ae88ffe289639"><div style="margin-left:24px"><span class="SemanticStringArray"><span class="SemanticString">LCD_drawLine</span></span></div></a></li><li class="TableOfContents__Item"><a href="#https://www.notion.so/0c6998a4aabf4735baed6de517e88994"><div style="margin-left:24px"><span class="SemanticStringArray"><span class="SemanticString">LCD_drawRectangle</span></span></div></a></li><li class="TableOfContents__Item"><a href="#https://www.notion.so/1df16afdf2f9470aaeaa5472dcd2eb8f"><div style="margin-left:24px"><span class="SemanticStringArray"><span class="SemanticString">LCD_drawCircle</span></span></div></a></li></ul><h2 id="https://www.notion.so/24539d95c12a409085d675afabe50012" class="ColorfulBlock ColorfulBlock--ColorDefault Heading Heading--2"><a class="Anchor" href="#https://www.notion.so/24539d95c12a409085d675afabe50012"><svg width="16" height="16" viewBox="0 0 16 16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><span class="SemanticStringArray"><span class="SemanticString">LCD_ 函数</span></span></h2><h3 id="https://www.notion.so/7e0f0b7ae3aa4b40ab4d7812ee51ac1f" class="ColorfulBlock ColorfulBlock--ColorDefault Heading Heading--3"><a class="Anchor" href="#https://www.notion.so/7e0f0b7ae3aa4b40ab4d7812ee51ac1f"><svg width="16" height="16" viewBox="0 0 16 16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><span class="SemanticStringArray"><span class="SemanticString">LCD_setAddrWindow</span></span></h3><pre id="https://www.notion.so/ceb21073803e41a6bfa7972c62139f72" class="Code Code--NoWrap"><code><span class="SemanticStringArray"><span class="SemanticString"><span><span class="token comment">/*
函数说明：设置读写起始和结束地址
入口数据：x1,x1 设置列的起始和结束地址
y0,y1 设置行的起始和结束地址
返回值： 无
*/</span>
<span class="token keyword">void</span> <span class="token function">LCD_setAddrWindow</span><span class="token punctuation">(</span>UINT16 x0<span class="token punctuation">,</span>UINT16 y0<span class="token punctuation">,</span>UINT16 x1<span class="token punctuation">,</span>UINT16 y1<span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token function">LCD_writeCmd</span><span class="token punctuation">(</span><span class="token number">0x2a</span><span class="token punctuation">)</span><span class="token punctuation">;</span><span class="token comment">//列地址设置</span>
<span class="token function">LCD_writeHalfword</span><span class="token punctuation">(</span>x0<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">LCD_writeHalfword</span><span class="token punctuation">(</span>x1<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">LCD_writeCmd</span><span class="token punctuation">(</span><span class="token number">0x2b</span><span class="token punctuation">)</span><span class="token punctuation">;</span><span class="token comment">//行地址设置</span>
<span class="token function">LCD_writeHalfword</span><span class="token punctuation">(</span>y0<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">LCD_writeHalfword</span><span class="token punctuation">(</span>y1<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">LCD_writeCmd</span><span class="token punctuation">(</span><span class="token number">0x2c</span><span class="token punctuation">)</span><span class="token punctuation">;</span><span class="token comment">//储存器写</span>
<span class="token punctuation">}</span></span></span></span></code></pre><h3 id="https://www.notion.so/024fe175b670481f9c4471ad56b35285" class="ColorfulBlock ColorfulBlock--ColorDefault Heading Heading--3"><a class="Anchor" href="#https://www.notion.so/024fe175b670481f9c4471ad56b35285"><svg width="16" height="16" viewBox="0 0 16 16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><span class="SemanticStringArray"><span class="SemanticString">LCD_init [初始化]</span></span></h3><h3 id="https://www.notion.so/a5244b6f69f1445ba67ce3099f4ec345" class="ColorfulBlock ColorfulBlock--ColorDefault Heading Heading--3"><a class="Anchor" href="#https://www.notion.so/a5244b6f69f1445ba67ce3099f4ec345"><svg width="16" height="16" viewBox="0 0 16 16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><span class="SemanticStringArray"><span class="SemanticString">LCD_setDir</span></span></h3><pre id="https://www.notion.so/ae6421c2796b4e6aaefd8f1945007868" class="Code Code--NoWrap"><code><span class="SemanticStringArray"><span class="SemanticString"><span><span class="token keyword">void</span> <span class="token function">LCD_setDir</span><span class="token punctuation">(</span>UINT8 dir<span class="token punctuation">)</span>
<span class="token punctuation">{</span>
LCD_parameter<span class="token punctuation">.</span>dir <span class="token operator">=</span> dir <span class="token operator">&</span> <span class="token number">3</span><span class="token punctuation">;</span>
<span class="token comment">// just perform the operation ourselves on the protected variables</span>
LCD_parameter<span class="token punctuation">.</span>width <span class="token operator">=</span> <span class="token punctuation">(</span>LCD_parameter<span class="token punctuation">.</span>dir <span class="token operator">&</span> <span class="token number">1</span><span class="token punctuation">)</span> <span class="token operator">?</span> LCD_H <span class="token operator">:</span> LCD_W<span class="token punctuation">;</span>
LCD_parameter<span class="token punctuation">.</span>height <span class="token operator">=</span> <span class="token punctuation">(</span>LCD_parameter<span class="token punctuation">.</span>dir <span class="token operator">&</span> <span class="token number">1</span><span class="token punctuation">)</span> <span class="token operator">?</span> LCD_W <span class="token operator">:</span> LCD_H<span class="token punctuation">;</span>
UINT16 val<span class="token punctuation">;</span>
<span class="token keyword">switch</span><span class="token punctuation">(</span>LCD_parameter<span class="token punctuation">.</span>dir<span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token keyword">case</span> <span class="token number">0</span><span class="token operator">:</span>
val <span class="token operator">=</span> <span class="token number">0x1030</span><span class="token punctuation">;</span> <span class="token comment">//0 degree </span>
<span class="token keyword">break</span><span class="token punctuation">;</span>
<span class="token keyword">case</span> <span class="token number">1</span><span class="token operator">:</span>
val <span class="token operator">=</span> <span class="token number">0x1028</span><span class="token punctuation">;</span> <span class="token comment">//90 degree </span>
<span class="token keyword">break</span><span class="token punctuation">;</span>
<span class="token keyword">case</span> <span class="token number">2</span><span class="token operator">:</span>
val <span class="token operator">=</span> <span class="token number">0x1000</span><span class="token punctuation">;</span> <span class="token comment">//180 degree </span>
<span class="token keyword">break</span><span class="token punctuation">;</span>
<span class="token keyword">case</span> <span class="token number">3</span><span class="token operator">:</span>
val <span class="token operator">=</span> <span class="token number">0x1018</span><span class="token punctuation">;</span> <span class="token comment">//270 degree </span>
<span class="token keyword">break</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token function">LCD_writeCmd</span><span class="token punctuation">(</span><span class="token number">0x03</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">LCD_writeHalfword</span><span class="token punctuation">(</span>val<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token comment">//Vert_Scroll(0, HEIGHT, 0);</span>
<span class="token punctuation">}</span></span></span></span></code></pre><h3 id="https://www.notion.so/eb4bb479323741299a781a785754b6d3" class="ColorfulBlock ColorfulBlock--ColorDefault Heading Heading--3"><a class="Anchor" href="#https://www.notion.so/eb4bb479323741299a781a785754b6d3"><svg width="16" height="16" viewBox="0 0 16 16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><span class="SemanticStringArray"><span class="SemanticString">LCD_setColor —LCD_setFont</span></span></h3><pre id="https://www.notion.so/1dc3ca848a9142cb9011c36f231fa2a9" class="Code Code--NoWrap"><code><span class="SemanticStringArray"><span class="SemanticString"><span><span class="token keyword">void</span> <span class="token function">LCD_setColor</span><span class="token punctuation">(</span>UINT16 color<span class="token punctuation">)</span><span class="token punctuation">{</span>
LCD_parameter<span class="token punctuation">.</span>color <span class="token operator">=</span> color<span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token keyword">void</span> <span class="token function">LCD_setBackground</span><span class="token punctuation">(</span>UINT16 color<span class="token punctuation">)</span><span class="token punctuation">{</span>
LCD_parameter<span class="token punctuation">.</span>Background <span class="token operator">=</span> color<span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token keyword">void</span> <span class="token function">LCD_setColorRGB</span><span class="token punctuation">(</span>UINT8 r<span class="token punctuation">,</span>UINT8 g<span class="token punctuation">,</span>UINT8 b<span class="token punctuation">)</span><span class="token punctuation">{</span>
LCD_parameter<span class="token punctuation">.</span>color <span class="token operator">=</span> <span class="token function">RGB888_565</span><span class="token punctuation">(</span>r<span class="token punctuation">,</span>g<span class="token punctuation">,</span>b<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token keyword">void</span> <span class="token function">LCD_setBackgroundRGB</span><span class="token punctuation">(</span>UINT8 r<span class="token punctuation">,</span>UINT8 g<span class="token punctuation">,</span>UINT8 b<span class="token punctuation">)</span><span class="token punctuation">{</span>
LCD_parameter<span class="token punctuation">.</span>Background <span class="token operator">=</span> <span class="token function">RGB888_565</span><span class="token punctuation">(</span>r<span class="token punctuation">,</span>g<span class="token punctuation">,</span>b<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token keyword">void</span> <span class="token function">LCD_setFont</span><span class="token punctuation">(</span>UINT8 font<span class="token punctuation">)</span><span class="token punctuation">{</span>
LCD_parameter<span class="token punctuation">.</span>font <span class="token operator">=</span> font<span class="token punctuation">;</span>
<span class="token punctuation">}</span></span></span></span></code></pre><h3 id="https://www.notion.so/4cb502725fc942dab276d3a1c6534f13" class="ColorfulBlock ColorfulBlock--ColorDefault Heading Heading--3"><a class="Anchor" href="#https://www.notion.so/4cb502725fc942dab276d3a1c6534f13"><svg width="16" height="16" viewBox="0 0 16 16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><span class="SemanticStringArray"><span class="SemanticString">LCD_showChar</span></span></h3><pre id="https://www.notion.so/9fd3ae51806f424c8ef5f045ceec00fa" class="Code Code--NoWrap"><code><span class="SemanticStringArray"><span class="SemanticString"><span><span class="token comment">/******************************************************************************
函数说明：显示单个字符
入口数据：x,y显示坐标
num 要显示的字符
overlay: 0非叠加模式 1叠加模式
返回值： 无
******************************************************************************/</span>
<span class="token keyword">void</span> <span class="token function">LCD_showChar</span><span class="token punctuation">(</span>UINT16 x<span class="token punctuation">,</span>UINT16 y<span class="token punctuation">,</span>UINT8 num<span class="token punctuation">,</span>UINT8 overlay<span class="token punctuation">)</span>
<span class="token punctuation">{</span>
UINT8 temp<span class="token punctuation">,</span>fontWidth<span class="token punctuation">,</span>t<span class="token punctuation">,</span>m<span class="token operator">=</span><span class="token number">0</span><span class="token punctuation">;</span>
UINT16 i<span class="token punctuation">,</span>TypefaceNum<span class="token punctuation">;</span><span class="token comment">//一个字符所占字节大小</span>
UINT16 x0<span class="token operator">=</span>x<span class="token punctuation">;</span>
fontWidth<span class="token operator">=</span>LCD_parameter<span class="token punctuation">.</span>font<span class="token operator">/</span><span class="token number">2</span><span class="token punctuation">;</span>
TypefaceNum<span class="token operator">=</span><span class="token punctuation">(</span>fontWidth<span class="token operator">/</span><span class="token number">8</span><span class="token operator">+</span><span class="token punctuation">(</span><span class="token punctuation">(</span>fontWidth<span class="token operator">%</span><span class="token number">8</span><span class="token punctuation">)</span><span class="token operator">?</span><span class="token number">1</span><span class="token operator">:</span><span class="token number">0</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token operator">*</span>LCD_parameter<span class="token punctuation">.</span>font<span class="token punctuation">;</span>
num<span class="token operator">=</span>num<span class="token operator">-</span><span class="token char">' '</span><span class="token punctuation">;</span> <span class="token comment">//得到偏移后的值</span>
<span class="token function">LCD_setAddrWindow</span><span class="token punctuation">(</span>x<span class="token punctuation">,</span>y<span class="token punctuation">,</span>x<span class="token operator">+</span>fontWidth<span class="token operator">-</span><span class="token number">1</span><span class="token punctuation">,</span>y<span class="token operator">+</span>LCD_parameter<span class="token punctuation">.</span>font<span class="token operator">-</span><span class="token number">1</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">//设置光标位置 </span>
<span class="token keyword">for</span><span class="token punctuation">(</span>i<span class="token operator">=</span><span class="token number">0</span><span class="token punctuation">;</span>i<span class="token operator"><</span>TypefaceNum<span class="token punctuation">;</span>i<span class="token operator">++</span><span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token keyword">switch</span> <span class="token punctuation">(</span>LCD_parameter<span class="token punctuation">.</span>font<span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token keyword">case</span> <span class="token number">12</span><span class="token operator">:</span>temp<span class="token operator">=</span>ascii_1206<span class="token punctuation">[</span>num<span class="token punctuation">]</span><span class="token punctuation">[</span>i<span class="token punctuation">]</span><span class="token punctuation">;</span><span class="token keyword">break</span><span class="token punctuation">;</span><span class="token comment">//调用1206字体</span>
<span class="token keyword">case</span> <span class="token number">16</span><span class="token operator">:</span>temp<span class="token operator">=</span>ascii_1608<span class="token punctuation">[</span>num<span class="token punctuation">]</span><span class="token punctuation">[</span>i<span class="token punctuation">]</span><span class="token punctuation">;</span><span class="token keyword">break</span><span class="token punctuation">;</span><span class="token comment">//调用1608字体</span>
<span class="token keyword">case</span> <span class="token number">24</span><span class="token operator">:</span>temp<span class="token operator">=</span>ascii_2412<span class="token punctuation">[</span>num<span class="token punctuation">]</span><span class="token punctuation">[</span>i<span class="token punctuation">]</span><span class="token punctuation">;</span><span class="token keyword">break</span><span class="token punctuation">;</span>
<span class="token keyword">case</span> <span class="token number">32</span><span class="token operator">:</span>temp<span class="token operator">=</span>ascii_3216<span class="token punctuation">[</span>num<span class="token punctuation">]</span><span class="token punctuation">[</span>i<span class="token punctuation">]</span><span class="token punctuation">;</span><span class="token keyword">break</span><span class="token punctuation">;</span>
<span class="token keyword">default</span><span class="token operator">:</span><span class="token keyword">return</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token keyword">for</span><span class="token punctuation">(</span>t<span class="token operator">=</span><span class="token number">0</span><span class="token punctuation">;</span>t<span class="token operator"><</span><span class="token number">8</span><span class="token punctuation">;</span>t<span class="token operator">++</span><span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token keyword">if</span><span class="token punctuation">(</span><span class="token operator">!</span>overlay<span class="token punctuation">)</span><span class="token comment">//非叠加模式</span>
<span class="token punctuation">{</span>
<span class="token keyword">if</span><span class="token punctuation">(</span>temp<span class="token operator">&</span><span class="token punctuation">(</span><span class="token number">0x01</span><span class="token operator"><<</span>t<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token function">LCD_writeHalfword</span><span class="token punctuation">(</span>LCD_parameter<span class="token punctuation">.</span>color<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">else</span> <span class="token function">LCD_writeHalfword</span><span class="token punctuation">(</span>LCD_parameter<span class="token punctuation">.</span>Background<span class="token punctuation">)</span><span class="token punctuation">;</span>
m<span class="token operator">++</span><span class="token punctuation">;</span>
<span class="token keyword">if</span><span class="token punctuation">(</span>m<span class="token operator">%</span>fontWidth<span class="token operator">==</span><span class="token number">0</span><span class="token punctuation">)</span>
<span class="token punctuation">{</span>
m<span class="token operator">=</span><span class="token number">0</span><span class="token punctuation">;</span>
<span class="token keyword">break</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
<span class="token keyword">else</span><span class="token comment">//叠加模式</span>
<span class="token punctuation">{</span>
<span class="token keyword">if</span><span class="token punctuation">(</span>temp<span class="token operator">&</span><span class="token punctuation">(</span><span class="token number">0x01</span><span class="token operator"><<</span>t<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token function">LCD_drawPixel</span><span class="token punctuation">(</span>x<span class="token punctuation">,</span>y<span class="token punctuation">)</span><span class="token punctuation">;</span><span class="token comment">//画一个点</span>
x<span class="token operator">++</span><span class="token punctuation">;</span>
<span class="token keyword">if</span><span class="token punctuation">(</span><span class="token punctuation">(</span>x<span class="token operator">-</span>x0<span class="token punctuation">)</span><span class="token operator">==</span>fontWidth<span class="token punctuation">)</span>
<span class="token punctuation">{</span>
x<span class="token operator">=</span>x0<span class="token punctuation">;</span>
y<span class="token operator">++</span><span class="token punctuation">;</span>
<span class="token keyword">break</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span></span></span></span></code></pre><h3 id="https://www.notion.so/ccface900a8e4dc39ec8e2bd4318a8cc" class="ColorfulBlock ColorfulBlock--ColorDefault Heading Heading--3"><a class="Anchor" href="#https://www.notion.so/ccface900a8e4dc39ec8e2bd4318a8cc"><svg width="16" height="16" viewBox="0 0 16 16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><span class="SemanticStringArray"><span class="SemanticString">LCD_showString</span></span></h3><pre id="https://www.notion.so/3f17c9519b2849d9a516a885425bf0b4" class="Code Code--NoWrap"><code><span class="SemanticStringArray"><span class="SemanticString"><span><span class="token comment">/******************************************************************************
函数说明：显示字符串
入口数据：x,y显示坐标
*p 要显示的字符串
overlay: 0非叠加模式 1叠加模式
返回值： 无
******************************************************************************/</span>
<span class="token keyword">void</span> <span class="token function">LCD_showString</span><span class="token punctuation">(</span>UINT16 x<span class="token punctuation">,</span>UINT16 y<span class="token punctuation">,</span><span class="token keyword">char</span> <span class="token operator">*</span>p<span class="token punctuation">,</span>UINT8 overlay<span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token keyword">while</span><span class="token punctuation">(</span><span class="token operator">*</span>p<span class="token operator">!=</span><span class="token char">'\0'</span><span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token function">LCD_showChar</span><span class="token punctuation">(</span>x<span class="token punctuation">,</span>y<span class="token punctuation">,</span><span class="token operator">*</span>p<span class="token punctuation">,</span>overlay<span class="token punctuation">)</span><span class="token punctuation">;</span>
x<span class="token operator">+=</span>LCD_parameter<span class="token punctuation">.</span>font<span class="token operator">/</span><span class="token number">2</span><span class="token punctuation">;</span>
p<span class="token operator">++</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span></span></span></span></code></pre><h3 id="https://www.notion.so/97c00485d4b844a7856336ec63295e5a" class="ColorfulBlock ColorfulBlock--ColorDefault Heading Heading--3"><a class="Anchor" href="#https://www.notion.so/97c00485d4b844a7856336ec63295e5a"><svg width="16" height="16" viewBox="0 0 16 16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><span class="SemanticStringArray"><span class="SemanticString">LCD_showPicture</span></span></h3><pre id="https://www.notion.so/7fffedf0b9814ede924624afcd3a43f6" class="Code Code--NoWrap"><code><span class="SemanticStringArray"><span class="SemanticString"><span><span class="token comment">/******************************************************************************
函数说明：显示图片
入口数据：x,y起点坐标
length 图片长度
width 图片宽度
pic[] 图片数组
返回值： 无
******************************************************************************/</span>
<span class="token keyword">void</span> <span class="token function">LCD_showPicture</span><span class="token punctuation">(</span>UINT16 x<span class="token punctuation">,</span>UINT16 y<span class="token punctuation">,</span>UINT16 length<span class="token punctuation">,</span>UINT16 width<span class="token punctuation">,</span>UINT8 pic<span class="token punctuation">[</span><span class="token punctuation">]</span><span class="token punctuation">)</span>
<span class="token punctuation">{</span>
UINT16 i<span class="token punctuation">,</span>j<span class="token punctuation">;</span>
UINT32 k<span class="token operator">=</span><span class="token number">0</span><span class="token punctuation">;</span>
<span class="token function">LCD_setAddrWindow</span><span class="token punctuation">(</span>x<span class="token punctuation">,</span>y<span class="token punctuation">,</span>x<span class="token operator">+</span>length<span class="token operator">-</span><span class="token number">1</span><span class="token punctuation">,</span>y<span class="token operator">+</span>width<span class="token operator">-</span><span class="token number">1</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">for</span><span class="token punctuation">(</span>i<span class="token operator">=</span><span class="token number">0</span><span class="token punctuation">;</span>i<span class="token operator"><</span>length<span class="token punctuation">;</span>i<span class="token operator">++</span><span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token keyword">for</span><span class="token punctuation">(</span>j<span class="token operator">=</span><span class="token number">0</span><span class="token punctuation">;</span>j<span class="token operator"><</span>width<span class="token punctuation">;</span>j<span class="token operator">++</span><span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token function">LCD_writeByte</span><span class="token punctuation">(</span>pic<span class="token punctuation">[</span>k<span class="token operator">*</span><span class="token number">2</span><span class="token punctuation">]</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">LCD_writeByte</span><span class="token punctuation">(</span>pic<span class="token punctuation">[</span>k<span class="token operator">*</span><span class="token number">2</span><span class="token operator">+</span><span class="token number">1</span><span class="token punctuation">]</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
k<span class="token operator">++</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span></span></span></span></code></pre><h3 id="https://www.notion.so/5ff71572b1ee4328809e5f2aec6dc324" class="ColorfulBlock ColorfulBlock--ColorDefault Heading Heading--3"><a class="Anchor" href="#https://www.notion.so/5ff71572b1ee4328809e5f2aec6dc324"><svg width="16" height="16" viewBox="0 0 16 16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><span class="SemanticStringArray"><span class="SemanticString">LCD_clear</span></span></h3><pre id="https://www.notion.so/e4e2fe0b6dd64d2b9e916e097bb59b57" class="Code Code--NoWrap"><code><span class="SemanticStringArray"><span class="SemanticString"><span><span class="token comment">/******************************************************************************
函数说明：在指定区域填充背景颜色
入口数据：x0,y0 起始坐标
x1,y1 终止坐标
返回值： 无
******************************************************************************/</span>
<span class="token keyword">void</span> <span class="token function">LCD_clear</span><span class="token punctuation">(</span>UINT16 x0<span class="token punctuation">,</span>UINT16 y0<span class="token punctuation">,</span>UINT16 x1<span class="token punctuation">,</span>UINT16 y1<span class="token punctuation">)</span>
<span class="token punctuation">{</span>
UINT32 cnt<span class="token punctuation">;</span>
<span class="token keyword">if</span> <span class="token punctuation">(</span>x0 <span class="token operator">></span> x1<span class="token punctuation">)</span><span class="token function">SWAP_HW</span><span class="token punctuation">(</span>x0<span class="token punctuation">,</span>x1<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">if</span> <span class="token punctuation">(</span>y0 <span class="token operator">></span> y1<span class="token punctuation">)</span><span class="token function">SWAP_HW</span><span class="token punctuation">(</span>y0<span class="token punctuation">,</span>y1<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">LCD_setAddrWindow</span><span class="token punctuation">(</span>x0<span class="token punctuation">,</span>y0<span class="token punctuation">,</span>x1<span class="token punctuation">,</span>y1<span class="token punctuation">)</span><span class="token punctuation">;</span>
cnt <span class="token operator">=</span> <span class="token punctuation">(</span>x1<span class="token operator">-</span>x0<span class="token operator">+</span><span class="token number">1</span><span class="token punctuation">)</span><span class="token operator">*</span><span class="token punctuation">(</span>y1<span class="token operator">-</span>y0<span class="token operator">+</span><span class="token number">1</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">for</span><span class="token punctuation">(</span><span class="token punctuation">;</span>cnt <span class="token operator">!=</span> <span class="token number">0</span><span class="token punctuation">;</span>cnt<span class="token operator">--</span><span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token function">LCD_writeHalfword</span><span class="token punctuation">(</span>LCD_parameter<span class="token punctuation">.</span>Background<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span></span></span></span></code></pre><h3 id="https://www.notion.so/a0a4daa815a8435193d4f9732c4c9d90" class="ColorfulBlock ColorfulBlock--ColorDefault Heading Heading--3"><a class="Anchor" href="#https://www.notion.so/a0a4daa815a8435193d4f9732c4c9d90"><svg width="16" height="16" viewBox="0 0 16 16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><span class="SemanticStringArray"><span class="SemanticString">LCD_fillCircle—LCD_fillSemiCircle</span></span></h3><pre id="https://www.notion.so/5ba6cd2787e2451e9b9a04fb0f88231b" class="Code Code--NoWrap"><code><span class="SemanticStringArray"><span class="SemanticString"><span><span class="token comment">//fill a circle,thx for LCDWIKI</span>
<span class="token keyword">void</span> <span class="token function">LCD_fillCircle</span><span class="token punctuation">(</span><span class="token keyword">int</span> x<span class="token punctuation">,</span> <span class="token keyword">int</span> y<span class="token punctuation">,</span> <span class="token keyword">int</span> radius<span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token function">LCD_fill</span><span class="token punctuation">(</span>x<span class="token punctuation">,</span> y<span class="token operator">-</span>radius<span class="token punctuation">,</span>x<span class="token punctuation">,</span> y<span class="token operator">+</span>radius<span class="token operator">+</span><span class="token number">1</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">LCD_fillSemiCircle</span><span class="token punctuation">(</span>x<span class="token punctuation">,</span> y<span class="token punctuation">,</span> radius<span class="token punctuation">,</span> <span class="token number">3</span><span class="token punctuation">,</span> <span class="token number">0</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token comment">//fill a semi-circle,thx for LCDWIKI</span>
<span class="token keyword">void</span> <span class="token function">LCD_fillSemiCircle</span><span class="token punctuation">(</span><span class="token keyword">int</span> x0<span class="token punctuation">,</span> <span class="token keyword">int</span> y0<span class="token punctuation">,</span> <span class="token keyword">int</span> r<span class="token punctuation">,</span> UINT8 cornername<span class="token punctuation">,</span><span class="token keyword">int</span> delta<span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token keyword">int</span> f <span class="token operator">=</span> <span class="token number">1</span> <span class="token operator">-</span> r<span class="token punctuation">;</span>
<span class="token keyword">int</span> ddF_x <span class="token operator">=</span> <span class="token number">1</span><span class="token punctuation">;</span>
<span class="token keyword">int</span> ddF_y <span class="token operator">=</span> <span class="token operator">-</span><span class="token number">2</span> <span class="token operator">*</span> r<span class="token punctuation">;</span>
<span class="token keyword">int</span> x <span class="token operator">=</span> <span class="token number">0</span><span class="token punctuation">;</span>
<span class="token keyword">int</span> y <span class="token operator">=</span> r<span class="token punctuation">;</span>
<span class="token keyword">while</span> <span class="token punctuation">(</span>x<span class="token operator"><</span>y<span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token keyword">if</span> <span class="token punctuation">(</span>f <span class="token operator">>=</span> <span class="token number">0</span><span class="token punctuation">)</span>
<span class="token punctuation">{</span>
y<span class="token operator">--</span><span class="token punctuation">;</span>
ddF_y <span class="token operator">+=</span> <span class="token number">2</span><span class="token punctuation">;</span>
f <span class="token operator">+=</span> ddF_y<span class="token punctuation">;</span>
<span class="token punctuation">}</span>
x<span class="token operator">++</span><span class="token punctuation">;</span>
ddF_x <span class="token operator">+=</span> <span class="token number">2</span><span class="token punctuation">;</span>
f <span class="token operator">+=</span> ddF_x<span class="token punctuation">;</span>
<span class="token keyword">if</span> <span class="token punctuation">(</span>cornername <span class="token operator">&</span> <span class="token number">0x1</span><span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token function">LCD_fill</span><span class="token punctuation">(</span>x0<span class="token operator">+</span>x<span class="token punctuation">,</span> y0<span class="token operator">-</span>y<span class="token punctuation">,</span>x0<span class="token operator">+</span>x<span class="token punctuation">,</span> y0<span class="token operator">+</span>y<span class="token operator">+</span><span class="token number">1</span><span class="token operator">+</span>delta<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">LCD_fill</span><span class="token punctuation">(</span>x0<span class="token operator">+</span>y<span class="token punctuation">,</span> y0<span class="token operator">-</span>x<span class="token punctuation">,</span>x0<span class="token operator">+</span>y<span class="token punctuation">,</span> y0<span class="token operator">+</span>x<span class="token operator">+</span><span class="token number">1</span><span class="token operator">+</span>delta<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token keyword">if</span> <span class="token punctuation">(</span>cornername <span class="token operator">&</span> <span class="token number">0x2</span><span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token function">LCD_fill</span><span class="token punctuation">(</span>x0<span class="token operator">-</span>x<span class="token punctuation">,</span> y0<span class="token operator">-</span>y<span class="token punctuation">,</span> x0<span class="token operator">-</span>x<span class="token punctuation">,</span> y0<span class="token operator">+</span>y<span class="token operator">+</span><span class="token number">1</span><span class="token operator">+</span>delta<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">LCD_fill</span><span class="token punctuation">(</span>x0<span class="token operator">-</span>y<span class="token punctuation">,</span> y0<span class="token operator">-</span>x<span class="token punctuation">,</span> x0<span class="token operator">-</span>y<span class="token punctuation">,</span> y0<span class="token operator">+</span>x<span class="token operator">+</span><span class="token number">1</span><span class="token operator">+</span>delta<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span></span></span></span></code></pre><h3 id="https://www.notion.so/32825f67071c44ba9673f8d8c1ccbe76" class="ColorfulBlock ColorfulBlock--ColorDefault Heading Heading--3"><a class="Anchor" href="#https://www.notion.so/32825f67071c44ba9673f8d8c1ccbe76"><svg width="16" height="16" viewBox="0 0 16 16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><span class="SemanticStringArray"><span class="SemanticString">LCD_writeByte—LCD_writeHalfword</span></span></h3><pre id="https://www.notion.so/192d41f6280a4ce2b7b5523d1f126d11" class="Code Code--NoWrap"><code><span class="SemanticStringArray"><span class="SemanticString"><span><span class="token comment">/******************************************************************************
函数说明：LCD 写入1字节
入口数据：data 写入的数据
返回值： 无
******************************************************************************/</span>
<span class="token keyword">void</span> <span class="token function">LCD_writeByte</span><span class="token punctuation">(</span>UINT8 data<span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token function">LCD_CS_SEL</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">CH549SPIMasterWrite</span><span class="token punctuation">(</span>data<span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">//使用CH549的SPI写入1字节数据</span>
<span class="token function">LCD_CS_DSEL</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token comment">/******************************************************************************
函数说明：LCD 写入半字
入口数据：data 写入的数据
返回值： 无
******************************************************************************/</span>
<span class="token keyword">void</span> <span class="token function">LCD_writeHalfword</span><span class="token punctuation">(</span>UINT16 data<span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token function">LCD_writeByte</span><span class="token punctuation">(</span>data<span class="token operator">>></span><span class="token number">8</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">LCD_writeByte</span><span class="token punctuation">(</span>data<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span></span></span></span></code></pre><h3 id="https://www.notion.so/024c8f6cebb04d0bb6c928d38cbb4e09" class="ColorfulBlock ColorfulBlock--ColorDefault Heading Heading--3"><a class="Anchor" href="#https://www.notion.so/024c8f6cebb04d0bb6c928d38cbb4e09"><svg width="16" height="16" viewBox="0 0 16 16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><span class="SemanticStringArray"><span class="SemanticString">LCD_writeCmd</span></span></h3><pre id="https://www.notion.so/e10916030dd8495a9d45f6c65906cd85" class="Code Code--NoWrap"><code><span class="SemanticStringArray"><span class="SemanticString"><span><span class="token comment">/******************************************************************************
函数说明：LCD写入命令
入口数据：cmd 写入的命令
返回值： 无
******************************************************************************/</span>
<span class="token keyword">void</span> <span class="token function">LCD_writeCmd</span><span class="token punctuation">(</span>UINT8 cmd<span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token function">LCD_DC_CMD</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span><span class="token comment">//写命令</span>
<span class="token function">LCD_writeByte</span><span class="token punctuation">(</span>cmd<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">LCD_DC_DATA</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span><span class="token comment">//写数据</span>
<span class="token punctuation">}</span></span></span></span></code></pre><h3 id="https://www.notion.so/d89904d358224d758cdf332a520bb286" class="ColorfulBlock ColorfulBlock--ColorDefault Heading Heading--3"><a class="Anchor" href="#https://www.notion.so/d89904d358224d758cdf332a520bb286"><svg width="16" height="16" viewBox="0 0 16 16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><span class="SemanticStringArray"><span class="SemanticString">LCD_fill</span></span></h3><pre id="https://www.notion.so/09dfaedb6aa34a5fb518050722727b9b" class="Code Code--NoWrap"><code><span class="SemanticStringArray"><span class="SemanticString"><span><span class="token comment">/******************************************************************************
函数说明：在指定区域填充前景颜色
入口数据：x0,y0 起始坐标
x1,y1 终止坐标
返回值： 无
******************************************************************************/</span>
<span class="token keyword">void</span> <span class="token function">LCD_fill</span><span class="token punctuation">(</span>UINT16 x0<span class="token punctuation">,</span>UINT16 y0<span class="token punctuation">,</span>UINT16 x1<span class="token punctuation">,</span>UINT16 y1<span class="token punctuation">)</span>
<span class="token punctuation">{</span>
UINT32 cnt<span class="token punctuation">;</span>
<span class="token keyword">if</span> <span class="token punctuation">(</span>x0 <span class="token operator">></span> x1<span class="token punctuation">)</span><span class="token function">SWAP_HW</span><span class="token punctuation">(</span>x0<span class="token punctuation">,</span>x1<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">if</span> <span class="token punctuation">(</span>y0 <span class="token operator">></span> y1<span class="token punctuation">)</span><span class="token function">SWAP_HW</span><span class="token punctuation">(</span>y0<span class="token punctuation">,</span>y1<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">LCD_setAddrWindow</span><span class="token punctuation">(</span>x0<span class="token punctuation">,</span>y0<span class="token punctuation">,</span>x1<span class="token punctuation">,</span>y1<span class="token punctuation">)</span><span class="token punctuation">;</span>
cnt <span class="token operator">=</span> <span class="token punctuation">(</span>x1<span class="token operator">-</span>x0<span class="token operator">+</span><span class="token number">1</span><span class="token punctuation">)</span><span class="token operator">*</span><span class="token punctuation">(</span>y1<span class="token operator">-</span>y0<span class="token operator">+</span><span class="token number">1</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">for</span><span class="token punctuation">(</span><span class="token punctuation">;</span>cnt <span class="token operator">!=</span> <span class="token number">0</span><span class="token punctuation">;</span>cnt<span class="token operator">--</span><span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token function">LCD_writeHalfword</span><span class="token punctuation">(</span>LCD_parameter<span class="token punctuation">.</span>color<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span></span></span></span></code></pre><h3 id="https://www.notion.so/a34b3b7de225439281e58022a54f1488" class="ColorfulBlock ColorfulBlock--ColorDefault Heading Heading--3"><a class="Anchor" href="#https://www.notion.so/a34b3b7de225439281e58022a54f1488"><svg width="16" height="16" viewBox="0 0 16 16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><span class="SemanticStringArray"><span class="SemanticString">LCD_drawPixel</span></span></h3><pre id="https://www.notion.so/3cc69681325c42ac8675f001b03badb5" class="Code Code--NoWrap"><code><span class="SemanticStringArray"><span class="SemanticString"><span><span class="token comment">/******************************************************************************
函数说明：在指定位置画点
入口数据：x,y 画点坐标
返回值： 无
******************************************************************************/</span>
<span class="token keyword">void</span> <span class="token function">LCD_drawPixel</span><span class="token punctuation">(</span>UINT16 x<span class="token punctuation">,</span>UINT16 y<span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token function">LCD_setAddrWindow</span><span class="token punctuation">(</span>x<span class="token punctuation">,</span>y<span class="token punctuation">,</span>x<span class="token punctuation">,</span>y<span class="token punctuation">)</span><span class="token punctuation">;</span><span class="token comment">//设置光标位置 </span>
<span class="token function">LCD_writeHalfword</span><span class="token punctuation">(</span>LCD_parameter<span class="token punctuation">.</span>color<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span></span></span></span></code></pre><h3 id="https://www.notion.so/1eb4495f5e1c40748b2ae88ffe289639" class="ColorfulBlock ColorfulBlock--ColorDefault Heading Heading--3"><a class="Anchor" href="#https://www.notion.so/1eb4495f5e1c40748b2ae88ffe289639"><svg width="16" height="16" viewBox="0 0 16 16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><span class="SemanticStringArray"><span class="SemanticString">LCD_drawLine</span></span></h3><pre id="https://www.notion.so/cd3b940d963e4ea1afaf1c2696986002" class="Code Code--NoWrap"><code><span class="SemanticStringArray"><span class="SemanticString"><span><span class="token comment">/******************************************************************************
函数说明：画线
入口数据：x0,y0 起始坐标
x1,y1 终止坐标
返回值： 无
******************************************************************************/</span>
<span class="token keyword">void</span> <span class="token function">LCD_drawLine</span><span class="token punctuation">(</span>UINT16 x0<span class="token punctuation">,</span>UINT16 y0<span class="token punctuation">,</span>UINT16 x1<span class="token punctuation">,</span>UINT16 y1<span class="token punctuation">)</span>
<span class="token punctuation">{</span>
UINT16 t<span class="token punctuation">;</span>
<span class="token keyword">int</span> xErr<span class="token operator">=</span><span class="token number">0</span><span class="token punctuation">,</span>yErr<span class="token operator">=</span><span class="token number">0</span><span class="token punctuation">,</span>dx<span class="token punctuation">,</span>dy<span class="token punctuation">,</span>dist<span class="token punctuation">;</span>
<span class="token keyword">int</span> incX<span class="token punctuation">,</span>incY<span class="token punctuation">,</span>x<span class="token punctuation">,</span>y<span class="token punctuation">;</span>
dx<span class="token operator">=</span>x1<span class="token operator">-</span>x0<span class="token punctuation">;</span> <span class="token comment">//计算坐标增量 </span>
dy<span class="token operator">=</span>y1<span class="token operator">-</span>y0<span class="token punctuation">;</span>
x<span class="token operator">=</span>x0<span class="token punctuation">;</span><span class="token comment">//画线起点坐标</span>
y<span class="token operator">=</span>y0<span class="token punctuation">;</span>
<span class="token keyword">if</span><span class="token punctuation">(</span>dx<span class="token operator">></span><span class="token number">0</span><span class="token punctuation">)</span>incX<span class="token operator">=</span><span class="token number">1</span><span class="token punctuation">;</span> <span class="token comment">//设置单步方向 </span>
<span class="token keyword">else</span> <span class="token keyword">if</span> <span class="token punctuation">(</span>dx<span class="token operator">==</span><span class="token number">0</span><span class="token punctuation">)</span>incX<span class="token operator">=</span><span class="token number">0</span><span class="token punctuation">;</span><span class="token comment">//垂直线 </span>
<span class="token keyword">else</span> <span class="token punctuation">{</span>incX<span class="token operator">=</span><span class="token operator">-</span><span class="token number">1</span><span class="token punctuation">;</span>dx<span class="token operator">=</span><span class="token operator">-</span>dx<span class="token punctuation">;</span><span class="token punctuation">}</span>
<span class="token keyword">if</span><span class="token punctuation">(</span>dy<span class="token operator">></span><span class="token number">0</span><span class="token punctuation">)</span>incY<span class="token operator">=</span><span class="token number">1</span><span class="token punctuation">;</span>
<span class="token keyword">else</span> <span class="token keyword">if</span> <span class="token punctuation">(</span>dy<span class="token operator">==</span><span class="token number">0</span><span class="token punctuation">)</span>incY<span class="token operator">=</span><span class="token number">0</span><span class="token punctuation">;</span><span class="token comment">//水平线 </span>
<span class="token keyword">else</span> <span class="token punctuation">{</span>incY<span class="token operator">=</span><span class="token operator">-</span><span class="token number">1</span><span class="token punctuation">;</span>dy<span class="token operator">=</span><span class="token operator">-</span>dy<span class="token punctuation">;</span><span class="token punctuation">}</span>
<span class="token keyword">if</span><span class="token punctuation">(</span>dx<span class="token operator">></span>dy<span class="token punctuation">)</span>dist<span class="token operator">=</span>dx<span class="token punctuation">;</span> <span class="token comment">//选取基本增量坐标轴 </span>
<span class="token keyword">else</span> dist<span class="token operator">=</span>dy<span class="token punctuation">;</span>
<span class="token keyword">for</span><span class="token punctuation">(</span>t<span class="token operator">=</span><span class="token number">0</span><span class="token punctuation">;</span>t<span class="token operator"><</span>dist<span class="token operator">+</span><span class="token number">1</span><span class="token punctuation">;</span>t<span class="token operator">++</span><span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token function">LCD_drawPixel</span><span class="token punctuation">(</span>x<span class="token punctuation">,</span>y<span class="token punctuation">)</span><span class="token punctuation">;</span><span class="token comment">//画点</span>
xErr<span class="token operator">+=</span>dx<span class="token punctuation">;</span>
yErr<span class="token operator">+=</span>dy<span class="token punctuation">;</span>
<span class="token keyword">if</span><span class="token punctuation">(</span>xErr<span class="token operator">></span>dist<span class="token punctuation">)</span>
<span class="token punctuation">{</span>
xErr<span class="token operator">-=</span>dist<span class="token punctuation">;</span>
x<span class="token operator">+=</span>incX<span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token keyword">if</span><span class="token punctuation">(</span>yErr<span class="token operator">></span>dist<span class="token punctuation">)</span>
<span class="token punctuation">{</span>
yErr<span class="token operator">-=</span>dist<span class="token punctuation">;</span>
y<span class="token operator">+=</span>incY<span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span></span></span></span></code></pre><h3 id="https://www.notion.so/0c6998a4aabf4735baed6de517e88994" class="ColorfulBlock ColorfulBlock--ColorDefault Heading Heading--3"><a class="Anchor" href="#https://www.notion.so/0c6998a4aabf4735baed6de517e88994"><svg width="16" height="16" viewBox="0 0 16 16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><span class="SemanticStringArray"><span class="SemanticString">LCD_drawRectangle</span></span></h3><pre id="https://www.notion.so/5064c2385aa34c8e9c5f69986c7e7301" class="Code Code--NoWrap"><code><span class="SemanticStringArray"><span class="SemanticString"><span><span class="token comment">/******************************************************************************
函数说明：画矩形
入口数据：x1,y0 起始坐标
x1,y1 终止坐标
返回值： 无
******************************************************************************/</span>
<span class="token keyword">void</span> <span class="token function">LCD_drawRectangle</span><span class="token punctuation">(</span>UINT16 x0<span class="token punctuation">,</span> UINT16 y0<span class="token punctuation">,</span> UINT16 x1<span class="token punctuation">,</span> UINT16 y1<span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token function">LCD_drawLine</span><span class="token punctuation">(</span>x0<span class="token punctuation">,</span>y0<span class="token punctuation">,</span>x1<span class="token punctuation">,</span>y0<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">LCD_drawLine</span><span class="token punctuation">(</span>x0<span class="token punctuation">,</span>y0<span class="token punctuation">,</span>x0<span class="token punctuation">,</span>y1<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">LCD_drawLine</span><span class="token punctuation">(</span>x0<span class="token punctuation">,</span>y1<span class="token punctuation">,</span>x1<span class="token punctuation">,</span>y1<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token function">LCD_drawLine</span><span class="token punctuation">(</span>x1<span class="token punctuation">,</span>y0<span class="token punctuation">,</span>x1<span class="token punctuation">,</span>y1<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span></span></span></span></code></pre><h3 id="https://www.notion.so/1df16afdf2f9470aaeaa5472dcd2eb8f" class="ColorfulBlock ColorfulBlock--ColorDefault Heading Heading--3"><a class="Anchor" href="#https://www.notion.so/1df16afdf2f9470aaeaa5472dcd2eb8f"><svg width="16" height="16" viewBox="0 0 16 16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a><span class="SemanticStringArray"><span class="SemanticString">LCD_drawCircle</span></span></h3><pre id="https://www.notion.so/35dabbacca9547638772d0ce91bedac1" class="Code Code--NoWrap"><code><span class="SemanticStringArray"><span class="SemanticString"><span><span class="token comment">/******************************************************************************
函数说明：画圆
入口数据：x0,y0 圆心坐标
r 半径
返回值： 无
******************************************************************************/</span>
<span class="token keyword">void</span> <span class="token function">LCD_drawCircle</span><span class="token punctuation">(</span>UINT16 x0<span class="token punctuation">,</span>UINT16 y0<span class="token punctuation">,</span>UINT8 r<span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token keyword">int</span> a<span class="token punctuation">,</span>b<span class="token punctuation">;</span>
a<span class="token operator">=</span><span class="token number">0</span><span class="token punctuation">;</span>b<span class="token operator">=</span>r<span class="token punctuation">;</span>
<span class="token keyword">while</span><span class="token punctuation">(</span>a<span class="token operator"><=</span>b<span class="token punctuation">)</span>
<span class="token punctuation">{</span>
<span class="token function">LCD_drawPixel</span><span class="token punctuation">(</span>x0<span class="token operator">-</span>b<span class="token punctuation">,</span>y0<span class="token operator">-</span>a<span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">//3 </span>
<span class="token function">LCD_drawPixel</span><span class="token punctuation">(</span>x0<span class="token operator">+</span>b<span class="token punctuation">,</span>y0<span class="token operator">-</span>a<span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">//0 </span>
<span class="token function">LCD_drawPixel</span><span class="token punctuation">(</span>x0<span class="token operator">-</span>a<span class="token punctuation">,</span>y0<span class="token operator">+</span>b<span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">//1 </span>
<span class="token function">LCD_drawPixel</span><span class="token punctuation">(</span>x0<span class="token operator">-</span>a<span class="token punctuation">,</span>y0<span class="token operator">-</span>b<span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">//2 </span>
<span class="token function">LCD_drawPixel</span><span class="token punctuation">(</span>x0<span class="token operator">+</span>b<span class="token punctuation">,</span>y0<span class="token operator">+</span>a<span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">//4 </span>
<span class="token function">LCD_drawPixel</span><span class="token punctuation">(</span>x0<span class="token operator">+</span>a<span class="token punctuation">,</span>y0<span class="token operator">-</span>b<span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">//5</span>
<span class="token function">LCD_drawPixel</span><span class="token punctuation">(</span>x0<span class="token operator">+</span>a<span class="token punctuation">,</span>y0<span class="token operator">+</span>b<span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">//6 </span>
<span class="token function">LCD_drawPixel</span><span class="token punctuation">(</span>x0<span class="token operator">-</span>b<span class="token punctuation">,</span>y0<span class="token operator">+</span>a<span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">//7</span>
a<span class="token operator">++</span><span class="token punctuation">;</span>
<span class="token keyword">if</span><span class="token punctuation">(</span><span class="token punctuation">(</span>a<span class="token operator">*</span>a<span class="token operator">+</span>b<span class="token operator">*</span>b<span class="token punctuation">)</span><span class="token operator">></span><span class="token punctuation">(</span>r<span class="token operator">*</span>r<span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token comment">//判断要画的点是否过远</span>
<span class="token punctuation">{</span>
b<span class="token operator">--</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span></span></span></span></code></pre><div id="https://www.notion.so/e519c201ec6542ae9516ad90e436881d" class="ColorfulBlock ColorfulBlock--ColorDefault Text"><p class="Text__Content"><span class="SemanticStringArray"></span></p></div><div id="https://www.notion.so/0032bcc3cd1f49de824bbeb4911bccc3" class="ColorfulBlock ColorfulBlock--ColorDefault Text"><p class="Text__Content"><span class="SemanticStringArray"></span></p></div></article>
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