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# dio_tcsetattr

(PHP 4 >= 4.3.0, PHP 5)

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

## Description

void dio_tcsetattr ( resource fd, array options )

The function dio_tcsetattr() sets the terminal attributes and baud rate of the open resource. 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.

範例 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; } } ?>`

> 注: 此函數不適用於 Windows 平台。

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