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116 lines
6.2 KiB
HTML
116 lines
6.2 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>Sets terminal attributes and baud rate for a serial port</title>
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</head>
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<body class="docs"><div id="layout">
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<div id="layout-content"><div id="function.dio-tcsetattr" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">dio_tcsetattr</h1>
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<p class="verinfo">(PHP 4 >= 4.3.0, PHP 5 < 5.1.0)</p><p class="refpurpose"><span class="refname">dio_tcsetattr</span> — <span class="dc-title">
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Sets terminal attributes and baud rate for a serial port
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</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.dio-tcsetattr-description">
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<h3 class="title">说明</h3>
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<div class="methodsynopsis dc-description">
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<span class="methodname"><strong>dio_tcsetattr</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$fd</code></span>
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, <span class="methodparam"><span class="type">array</span> <code class="parameter">$options</code></span>
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) : <span class="type">bool</span></div>
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<p class="para rdfs-comment">
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<span class="function"><strong>dio_tcsetattr()</strong></span> sets the terminal attributes and baud
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rate of the open <code class="parameter">fd</code>.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.dio-tcsetattr-parameters">
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<h3 class="title">参数</h3>
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<p class="para">
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<dl>
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<dt>
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<code class="parameter">fd</code></dt>
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<dd>
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<p class="para">
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The file descriptor returned by <span class="function"><a href="dio_open.html" class="function">dio_open()</a></span>.
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</p>
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</dd>
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<dt>
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<code class="parameter">options</code></dt>
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<dd>
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<p class="para">
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The currently available options are:
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<ul class="itemizedlist">
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<li class="listitem">
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<p class="para">
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'baud' - baud rate of the port - can be 38400,19200,9600,4800,2400,1800,
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1200,600,300,200,150,134,110,75 or 50, default value is 9600.
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</p>
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</li>
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<li class="listitem">
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<p class="para">
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'bits' - data bits - can be 8,7,6 or 5. Default value is 8.
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</p>
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</li>
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<li class="listitem">
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<p class="para">
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'stop' - stop bits - can be 1 or 2. Default value is 1.
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</p>
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</li>
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<li class="listitem">
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<p class="para">
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'parity' - can be 0,1 or 2. Default value is 0.
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</p>
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</li>
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</ul>
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</p>
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</dd>
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</dl>
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</p>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.dio-tcsetattr-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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没有返回值。
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.dio-tcsetattr-examples">
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<h3 class="title">范例</h3>
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<p class="para">
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<div class="example" id="example-2745">
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<p><strong>Example #1 Setting the baud rate on a serial port</strong></p>
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<div class="example-contents">
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<div class="phpcode"><pre><span style="color: #000000">
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<span style="color: #0000BB"><?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">$fd</span><span style="color: #007700">, array(<br /> </span><span style="color: #DD0000">'baud' </span><span style="color: #007700">=> </span><span style="color: #0000BB">9600</span><span style="color: #007700">,<br /> </span><span style="color: #DD0000">'bits' </span><span style="color: #007700">=> </span><span style="color: #0000BB">8</span><span style="color: #007700">,<br /> </span><span style="color: #DD0000">'stop' </span><span style="color: #007700">=> </span><span style="color: #0000BB">1</span><span style="color: #007700">,<br /> </span><span style="color: #DD0000">'parity' </span><span style="color: #007700">=> </span><span style="color: #0000BB">0<br /></span><span style="color: #007700">)); <br /><br />while (</span><span style="color: #0000BB">1</span><span style="color: #007700">) {<br /><br /> </span><span style="color: #0000BB">$data </span><span style="color: #007700">= </span><span style="color: #0000BB">dio_read</span><span style="color: #007700">(</span><span style="color: #0000BB">$fd</span><span style="color: #007700">, </span><span style="color: #0000BB">256</span><span style="color: #007700">);<br /><br /> if (</span><span style="color: #0000BB">$data</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">?></span>
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</span>
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</pre></div>
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</div>
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</div>
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</p>
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</div>
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<div class="refsect1 notes" id="refsect1-function.dio-tcsetattr-notes">
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<h3 class="title">注释</h3>
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<blockquote class="note"><p><strong class="note">Note</strong>: <span class="simpara">此函数未在 Windows 平台下实现。</span></p></blockquote>
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</div>
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</div></div></div></body></html> |