public function __construct(Board $board)
{
$this->board = $board;
$this->pins = [];
$this->observer = new Observer($board->getLoop());
$this->observer->on(Observer::EVENT_MODIFY, [$this, 'eventDetect']);
$this->observer->watch(sprintf('%s/gpio*/value', SysFS::PATH_BASE));
}
public function __construct(Board $board, $pwm_number)
{
$this->board = $board;
$this->pwm_register = $board->getPWMRegister();
$this->pwm_number = $pwm_number;
$this->is_active = false;
$this->frequency = self::DEFAULT_FREQUENCY;
$this->setDutyCycle(self::DEFAULT_DUTY_CYCLE);
$this->setRange(self::DEFAULT_RANGE);
$this->setEnableMS(false);
}
/**
* @param \Calcinai\PHPi\Board $board
* @param $gpio_number
* @return stdClass
*/
function getPinAttributes($board, $gpio_number)
{
$attributes = new stdClass();
//So it can be rendered anyway
if ($gpio_number === null) {
$attributes->function = null;
$attributes->level = null;
} else {
$pin = $board->getPin($gpio_number);
$attributes->function = $pin->getFunctionName();
$attributes->level = $pin->getLevel();
}
return $attributes;
}
private function start()
{
if ($this->isActive()) {
$this->stop();
}
$this->timer = $this->board->getLoop()->addPeriodicTimer($this->poll_interval, [$this, 'checkStatusRegisters']);
}
public function eventListenerRemoved()
{
//If it's the last event, there's the internal one for change->high/low so this is 1
if ($this->countListeners() === 1) {
$this->board->getEdgeDetector()->removePin($this);
$this->removeAllListeners();
}
}
public function __construct(Board $board, $spi_number)
{
$this->board = $board;
$this->spi_number = $spi_number;
$this->spi_register = $board->getSPIRegister();
}