php-linux-gpio/lib/Bus/Bus.php

65 lines
1.6 KiB
PHP

<?php
/*
* Copyright (C) 2014, NoccyLabs
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
*/
namespace NoccyLabs\Gpio\Bus;
abstract class Bus implements BusInterface
{
protected $pins = array();
public function __construct()
{
$this->configure();
}
public function addPin($name)
{
$this->pins[$name] = null;
}
public function __set($name, $value)
{
if (!array_key_exists($name,$this->pins)) {
throw new \Exception("No such pin: {$name}");
}
$this->pins[$name] = $value;
}
public function __get($name)
{
if (!array_key_exists($name,$this->pins)) {
throw new \Exception("No such pin: {$name}");
}
return $this->pins[$name];
}
public function __isSet($name)
{
return array_key_exists($name,$this->pins);
}
public function __unset($name)
{
if (!array_key_exists($name,$this->pins)) {
return;
}
$this->pins[$name] = null;
}
}