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?>
<div id="function.dio-tcsetattr" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">dio_tcsetattr</h1>
  <p class="verinfo">(PHP 4 &gt;= 4.3.0, PHP 5 &lt; 5.1.0)</p><p class="refpurpose"><span class="refname">dio_tcsetattr</span> &mdash; <span class="dc-title">
   设置串行端口的终端属性和波特率
  </span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.dio-tcsetattr-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>dio_tcsetattr</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.resource.php" class="type resource">resource</a></span> <code class="parameter">$fd</code></span>, <span class="methodparam"><span class="type"><a href="language.types.array.php" class="type array">array</a></span> <code class="parameter">$options</code></span>): <span class="type"><a href="language.types.boolean.php" class="type bool">bool</a></span></div>

  <p class="para rdfs-comment">
   <span class="function"><strong>dio_tcsetattr()</strong></span> 为打开的 <code class="parameter">fd</code> 
   设置串行端口的终端属性和波特率。
  </p>
 </div>

 <div class="refsect1 parameters" id="refsect1-function.dio-tcsetattr-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>
    
     <dt><code class="parameter">fd</code></dt>
     <dd>
      <p class="para">
       由 <span class="function"><a href="function.dio-open.php" class="function">dio_open()</a></span> 返回的文件描述符。
      </p>
     </dd>
    
    
     <dt><code class="parameter">options</code></dt>
     <dd>
      <p class="para">
       当前可用选项：
       <ul class="itemizedlist">
        <li class="listitem">
         <p class="para">
          &#039;baud&#039; - 端口波特率 - 可以是 38400、19200、9600、4800、2400、1800、1200、600、300、200、150、134、110、75 或 50，默认为 9600。
         </p>
        </li>
        <li class="listitem">
         <p class="para">
          &#039;bits&#039; - 数据位 - 可以是 8、7、6 或 5。默认为 8。
         </p>
        </li>
        <li class="listitem">
         <p class="para">
          &#039;stop&#039; - 停止位 - 可以是 1 或 2。默认为 1。
         </p>
        </li>
        <li class="listitem">
         <p class="para">
          &#039;parity&#039; - 可以是 0、1 或 2。默认是 0。
         </p>
        </li>
       </ul>
      </p>
     </dd>
    
   </dl>
  </p>
 </div>

 <div class="refsect1 returnvalues" id="refsect1-function.dio-tcsetattr-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   没有返回值。
  </p>
 </div>

 <div class="refsect1 examples" id="refsect1-function.dio-tcsetattr-examples">
  <h3 class="title">示例</h3>
  <div class="example" id="example-1">
   <p><strong>示例 #1 在串口上设置波特率</strong></p>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /><br />$fd </span><span style="color: #007700">= </span><span style="color: #0000BB">dio_open</span><span style="color: #007700">(</span><span style="color: #DD0000">'/dev/ttyS0'</span><span style="color: #007700">, </span><span style="color: #0000BB">O_RDWR </span><span style="color: #007700">| </span><span style="color: #0000BB">O_NOCTTY </span><span style="color: #007700">| </span><span style="color: #0000BB">O_NONBLOCK</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">dio_fcntl</span><span style="color: #007700">(</span><span style="color: #0000BB">$fd</span><span style="color: #007700">, </span><span style="color: #0000BB">F_SETFL</span><span style="color: #007700">, </span><span style="color: #0000BB">O_SYNC</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">dio_tcsetattr</span><span style="color: #007700">(</span><span style="color: #0000BB">$fd</span><span style="color: #007700">, array(<br />    </span><span style="color: #DD0000">'baud' </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">9600</span><span style="color: #007700">,<br />    </span><span style="color: #DD0000">'bits' </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">8</span><span style="color: #007700">,<br />    </span><span style="color: #DD0000">'stop'  </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">1</span><span style="color: #007700">,<br />    </span><span style="color: #DD0000">'parity' </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">0<br /></span><span style="color: #007700">)); <br /><br />while (</span><span style="color: #0000BB">true</span><span style="color: #007700">) {<br />    </span><span style="color: #0000BB">$data </span><span style="color: #007700">= </span><span style="color: #0000BB">dio_read</span><span style="color: #007700">(</span><span style="color: #0000BB">$fd</span><span style="color: #007700">, </span><span style="color: #0000BB">256</span><span style="color: #007700">);<br />    if (</span><span style="color: #0000BB">$data </span><span style="color: #007700">!== </span><span style="color: #0000BB">null </span><span style="color: #007700">&amp;&amp; </span><span style="color: #0000BB">$date </span><span style="color: #007700">!== </span><span style="color: #DD0000">''</span><span style="color: #007700">) {<br />        echo </span><span style="color: #0000BB">$data</span><span style="color: #007700">;<br />    }<br />} <br /><br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
   </div>

  </div>
 </div>


 <div class="refsect1 notes" id="refsect1-function.dio-tcsetattr-notes">
  <h3 class="title">注释</h3>
  <blockquote class="note"><p><strong class="note">注意</strong>: <span class="simpara">此函数未在 Windows 平台下实现。</span></p></blockquote>
 </div>

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