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(PHP 4 >= 4.3.0, PECL)

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

Description

bool dio_tcsetattr ( resource fd, array options )

dio_tcsetattr() sets the terminal attributes and baud rate of the open fd .

Parameters

fd

The file descriptor returned by dio_open() .

options

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.

Return Values

No value is returned.

Examples

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;
  }
} 

?>

Related Function(s)

dio_open()