<font face="微软雅黑"><font style="font-size:18px">我想用动态的数码管显示从200开始隔1s减1 但是使用的时候前面两个数码管数字是对的但是一直闪烁是为什么？</font></font><br> <font face="微软雅黑"><font style="font-size:18px">程序如下：<br></font></font><pre style="max-width: 100%;"><code class="cpp hljs" codemark="1"><span class="hljs-meta">#<span class="hljs-meta-keyword">include</span></span> <span class="hljs-meta">#<span class="hljs-meta-keyword">define</span> uint unsigned int</span> <span class="hljs-meta">#<span class="hljs-meta-keyword">define</span> uchar unsigned char</span> uchar temp,bai,shi,ge,aa; <span class="hljs-function"><span class="hljs-keyword">void</span> <span class="hljs-title">display</span><span class="hljs-params">(uchar)</span></span>; <span class="hljs-function"><span class="hljs-keyword">void</span> <span class="hljs-title">delay</span><span class="hljs-params">(uint)</span></span>; uchar code tab1[]={<span class="hljs-number">0x3f</span>,<span class="hljs-number">0x06</span>,<span class="hljs-number">0x5b</span>,<span class="hljs-number">0x4f</span>,<span class="hljs-number">0x66</span>,<span class="hljs-number">0x6d</span>,<span class="hljs-number">0x7d</span>,<span class="hljs-number">0x07</span>,<span class="hljs-number">0x7f</span>,<span class="hljs-number">0x6f</span>}; sbit wela=P2^<span class="hljs-number">7</span>; sbit dula=P2^<span class="hljs-number">6</span>; <span class="hljs-function"><span class="hljs-keyword">void</span> <span class="hljs-title">yanshi</span><span class="hljs-params">()</span></span>; <span class="hljs-function"><span class="hljs-keyword">void</span> <span class="hljs-title">main</span><span class="hljs-params">()</span> </span>{ temp=<span class="hljs-number">200</span>; yanshi(); <span class="hljs-keyword">while</span>(<span class="hljs-number">1</span>) { IF(aa==<span class="hljs-number">20</span>) { aa=<span class="hljs-number">0</span>; display(temp); temp--; } } } <span class="hljs-function"><span class="hljs-keyword">void</span> <span class="hljs-title">delay</span><span class="hljs-params">(uint z)</span> </span>{ uint x,y; <span class="hljs-keyword">for</span>(x=<span class="hljs-number">120</span>;x&gt;<span class="hljs-number">0</span>;x--) <span class="hljs-keyword">for</span>(y=z;y&gt;<span class="hljs-number">0</span>;y--); } <span class="hljs-function"><span class="hljs-keyword">void</span> <span class="hljs-title">name</span><span class="hljs-params">()</span>interrupt 1 </span>{ TH0=(<span class="hljs-number">65536</span><span class="hljs-number">-50000</span>)/<span class="hljs-number">256</span>; TL0=(<span class="hljs-number">65536</span><span class="hljs-number">-50000</span>)%<span class="hljs-number">256</span>; aa++; } <span class="hljs-function"><span class="hljs-keyword">void</span> <span class="hljs-title">display</span><span class="hljs-params">(uchar temp)</span> </span>{ bai=temp/<span class="hljs-number">100</span>; shi=temp%<span class="hljs-number">100</span>/<span class="hljs-number">10</span>; ge=temp%<span class="hljs-number">10</span>; wela=<span class="hljs-number">1</span>; P0=<span class="hljs-number">0xfe</span>; wela=<span class="hljs-number">0</span>; dula=<span class="hljs-number">1</span>; P0=tab1[bai]; dula=<span class="hljs-number">0</span>; delay(<span class="hljs-number">10</span>); P0=<span class="hljs-number">0xff</span>; wela=<span class="hljs-number">1</span>; P0=<span class="hljs-number">0xfd</span>; wela=<span class="hljs-number">0</span>; dula=<span class="hljs-number">1</span>; P0=tab1[shi]; dula=<span class="hljs-number">0</span>; delay(<span class="hljs-number">10</span>); P0=<span class="hljs-number">0xff</span>; wela=<span class="hljs-number">1</span>; P0=<span class="hljs-number">0xfb</span>; wela=<span class="hljs-number">0</span>; dula=<span class="hljs-number">1</span>; P0=tab1[ge]; dula=<span class="hljs-number">0</span>; delay(<span class="hljs-number">10</span>); P0=<span class="hljs-number">0xff</span>; } <span class="hljs-function"><span class="hljs-keyword">void</span> <span class="hljs-title">yanshi</span><span class="hljs-params">()</span> </span>{ TMOD=<span class="hljs-number">0X01</span>; TH0=(<span class="hljs-number">65536</span><span class="hljs-number">-50000</span>)/<span class="hljs-number">256</span>; TL0=(<span class="hljs-number">65536</span><span class="hljs-number">-50000</span>)%<span class="hljs-number">256</span>; IE=<span class="hljs-number">0x82</span>; TR0=<span class="hljs-number">1</span>; }</code></pre><font face="微软雅黑"> <br> </font><br> <br> <ignore_js_op> <dl class="tattl attm"> <dd> <img src="data/attach/1911/7dxd9fy64rr1czoqnaio8xeub9rfd6c2.png" alt="QQ截图20190928004821.png" title="QQ截图20190928004821.png"> </dd> </dl> </ignore_js_op> <p><br></p>