/**
* Enable all pins and make the display usable
*/
public function initialize()
{
$this->pinRS->enable()->setDirection('out');
$this->pinE->enable()->setDirection('out');
$this->pinD4->enable()->setDirection('out');
$this->pinD5->enable()->setDirection('out');
$this->pinD6->enable()->setDirection('out');
$this->pinD7->enable()->setDirection('out');
$this->writeByte(0x33, true);
// 110011 Initialise
$this->writeByte(0x32, true);
// 110010 Initialise
$this->entryMode(true, false);
$this->displayOnOffControl(true, false, false);
$this->functionSet(false, true, false);
$this->clearDisplay();
usleep($this->delay);
}
