<?php
class Scanner {
protected $port;
protected $fd;
protected $base;
protected $dio;
protected $e_open;
protected $e_read;
public function __construct ($port) {
$this->port = $port;
$this->base = new EventBase();
}
public function __destruct() {
$this->base->exit();
if ($this->e_open)
$this->e_open->free();
if ($this->e_read)
$this->e_read->free();
if ($this->dio)
dio_close($this->dio);
}
public function run() {
$stream = fopen($this->port, 'rb');
stream_set_blocking($stream, false);
$this->fd = EventUtil::getSocketFd($stream);
if ($this->fd < 0) {
fprintf(STDERR, "Failed attach to port, events: %d\n", $events);
return;
}
$this->e_open = new Event($this->base, $this->fd, Event::WRITE, [$this, '_onOpen']);
$this->e_open->add();
$this->base->dispatch();
fclose($stream);
}
public function _onOpen($fd, $events) {
$this->e_open->del();
$this->dio = dio_fdopen($this->fd);
dio_tcsetattr($this->dio, [
'baud' => 9600,
'bits' => 8,
'stop' => 1,
'parity' => 0
]);
$this->e_read = new Event($this->base, $this->fd, Event::READ | Event::PERSIST,
[$this, '_onRead']);
$this->e_read->add();
}
public function _onRead($fd, $events) {
while ($data = dio_read($this->dio, 1)) {
var_dump($data);
}
}
}
$scanner = new Scanner('/dev/pts/5');
$scanner->run();