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dio_tcsetattr
(PHP 4 >= 4.3.0, PHP 5 <= 5.0.5)
dio_tcsetattr — Sets terminal attributes and baud rate for a serial port
Description
dio_tcsetattr() sets the terminal attributes and baud rate of the open fd .
Note: This function is not implemented on Windows platforms.
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;
}
}
?>
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