php-linux-gpio/lib/Device/Display/Pcd8544Device.php

49 lines
1.4 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\Device\Display;
use NoccyLabs\Gpio\Device\Device;
class Pcd8544Device extends Device
{
protected function configure()
{
$this
->setName("pcd8544")
->setDescription("Philips PCD8544 LCD Display Driver")
->addLogicalPin(0, "dc", "data/command")
->addLogicalPin(1, "sce", "chip select")
->addLogicalPin(2, "scl", "clock")
->addLogicalPin(3, "sda", "data")
->addLogicalPin(9, "bl", "backlight")
;
}
protected function startup()
{
}
public function setBacklightState($state)
{
$this->bl->write((int)$state);
}
}