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dio_tcsetattr

dio_tcsetattr

Sets terminal attributes and baud rate for a serial port

bool **dio_tcsetattr** resource $fd array $options
sets the terminal attributes and baud

rate of the open . dio_tcsetattr``fd

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.void

Voorbeeld: 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 (true) {
    $data = dio_read($fd, 256);
    if ($data !== null && $date !== '') {
        echo $data;
    }
} 

?>