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# dio_tcsetattr

(PHP 4 CVS only)

dio_tcsetattr -- Sets terminal attributes and baud rate for a serial port

## Description

dio_tcsetattr ( resource fd, array options)

The function dio_tcsetattr() sets the terminal attributes and baud rate of the open `resource`. The currently available options are

- '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

- 'bits' - data bits - can be 8,7,6 or 5 default value is 8

- 'stop' - stop bits - can be 1 or 2 default value is 1

- 'parity' - can be 0,1 or 2 default value is 0

Example 1. Setting the baud rate on a serial port
    <?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;
      }
    }

    ?>

> Note: This function was introduced in PHP 4.3.0.

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