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PHP Dokumentation: Function dio-tcsetattr

12. Januar 2010 von werner

dio_tcsetattr

(PHP 4 >= 4.3.0, PHP 5 <= 5.0.5)

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

Beschreibung

bool dio_tcsetattr ( resource $fd , array $options )

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

Parameter-Liste

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.

Rückgabewerte

Es wird kein Wert zurückgegeben.

Beispiele

Beispiel #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;
  }
}