PHP5中文手册·Sets terminal attributes and baud rate for a serial port -- 追寻梦想＞编程乐园＞PHP 编程

说明

bool dio_tcsetattr ( resource $fd , array $options )

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

Note: 本函数未在 Windows 平台下实现。

参数

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.

返回值

无返回值。

范例

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;
  }
} 

?>


	PHP5中文手册 dio_stat dio_truncate Direct IO PHP Manual dio_tcsetattr (PHP 4 >= 4.3.0, PHP 5 <= 5.0.5) dio_tcsetattr — Sets terminal attributes and baud rate for a serial port 说明 bool dio_tcsetattr ( resource `$fd` , array `$options` ) dio_tcsetattr() sets the terminal attributes and baud rate of the open `fd` . Note: 本函数未在 Windows 平台下实现。参数 `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. 返回值无返回值。范例 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; } } ?>` dio_stat dio_truncate Direct IO PHP Manual