php-doc-en/reference/dio/functions/dio-tcsetattr.xml

<?xml version="1.0" encoding="iso-8859-1"?>
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  <refentry id="function.dio-tcsetattr">
   <refnamediv>
    <refname>dio_tcsetattr</refname>
    <refpurpose>
     Sets terminal attributes and baud rate for a serial port
    </refpurpose>
   </refnamediv>
   <refsect1>
    <title>Description</title>
     <methodsynopsis>
      <type></type><methodname>dio_tcsetattr</methodname>
      <methodparam><type>resource</type><parameter>fd</parameter></methodparam>
      <methodparam><type>array</type><parameter>options</parameter></methodparam>
     </methodsynopsis>
    <para>
     The function <function>dio_tcsetattr</function> sets
    the terminal attributes and baud rate of the open 
     <parameter>resource</parameter>. The currently available options are 
     <itemizedlist>
      <listitem>
       <para>
        'baud' - baud rate of the port - can be 38400,19200,9600,4800,2400,1800,1200,600,300,200,150,134,110,75 or 50,
	default value is 9600
       </para>
      </listitem>
      <listitem>
       <para>
        'bits' - data bits - can be 8,7,6 or 5
	default value is 8 
       </para>
      </listitem>
      <listitem>
       <para>
        'stop' - stop bits - can be 1 or 2
	default value is 1
       </para>
      </listitem>
      <listitem>
       <para>
        'parity' -  can be 0,1 or 2
	default value is 0
       </para>
      </listitem>
      </itemizedlist>
      <example>
      <title>
	Setting the baud rate on a serial port
      </title>
      <programlisting role="php">
<![CDATA[
<?php

$fd = dio_open('/dev/ttyS0', O_RDWR | O_NOCTTY | O_NONBLOCK);

dio_fcntl($fd,F_SETFL, O_SYNC );

dio_tcsetattr($fd, array(
  'baud' => 9600,
  'bits' => 8,
  'stop'  =>1,
  'parity' => 0
)); 

while (1) {

  $data = dio_read($fd,256);

  if ($data) {
      echo $data;
  }
} 

?>
]]>
      </programlisting>
     </example>
     
    </para>
    <note>
     <para>
       This function was introduced in PHP 4.3.0.
     </para>
    </note>
   </refsect1>
  </refentry>

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