*/ namespace NoccyLabs\Gpio\Device\Display; use NoccyLabs\Gpio\Device\Device; class Pcd8544Device extends Device { protected function configure() { $this ->setName("pcd8544") ->setDescription("Philips PCD8544 LCD Display Driver") ->addLogicalPin(0, "dc", "data/command") ->addLogicalPin(1, "sce", "chip select") ->addLogicalPin(2, "scl", "clock") ->addLogicalPin(3, "sda", "data") ->addLogicalPin(4, "res", "reset") ->addLogicalPin(9, "bl", "backlight") ; } protected function startup() { } public function setBacklightState($state) { $this->bl->setValue((bool)$state); } }