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<?php |
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namespace Posprint\Connectors; |
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/** |
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* Classe Serial |
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* |
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* @category NFePHP |
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* @package Posprint |
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* @copyright Copyright (c) 2015 |
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* @license http://www.gnu.org/licenses/lesser.html LGPL v3 |
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* @author Roberto L. Machado <linux.rlm at gmail dot com> |
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* @link http://github.com/nfephp-org/posprint for the canonical source repository |
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*/ |
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use Posprint\Connectors\ConnectorInterface; |
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use PhpSerial; |
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class Serial implements ConnectorInterface |
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{ |
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protected $resource; |
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protected $device = "/dev/ttyS0"; |
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protected $baudRate = 9600; |
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protected $byteSize = 8; |
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protected $parity = 'none'; |
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protected $deviceStatus = null; |
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public function __construct($device = "/dev/ttyS0", $baudRate = 9600, $byteSize = 8, $parity = 'none') |
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{ |
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$this->setDevice($device); |
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$this->setBaudRate($baudRate); |
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$this->setByteSize($byteSize); |
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$this->setParity($parity); |
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$this->initialize(); |
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} |
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protected function initialize() |
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{ |
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$this->resource = new PhpSerial(); |
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$this->resource->deviceSet($this->device); |
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$this->resource->confBaudRate($this->baudRate); |
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$this->resource->confCharacterLength($this->byteSize); |
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$this->resource->confParity($this->parity); |
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$this->deviceStatus = $this->resource->deviceOpen(); |
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} |
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public function __destruct() |
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{ |
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if ($this->deviceStatus == true) { |
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$this->close(); |
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} |
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} |
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public function setDevice($device = "/dev/ttyS0") |
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{ |
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$this->device = $device; |
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} |
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public function setBaudRate($baudRate = 9600) |
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{ |
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$this->baudRate = $baudRate; |
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} |
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public function setByteSize($byteSize = 8) |
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{ |
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$this->byteSize = $byteSize; |
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} |
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public function setParity($parity = 'none') |
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{ |
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$this->parity = $parity; |
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} |
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/** |
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* Finalize printer connection |
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*/ |
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public function close() |
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{ |
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$this->deviceStatus = ! $this->resource->deviceClose(); |
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} |
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/** |
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* send data to printer |
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* @param string $data |
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*/ |
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public function write($data) |
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{ |
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$this->resource->sendMessage($data); |
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} |
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} |
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nfephp-org /
posprint
When comparing two booleans, it is generally considered safer to use the strict comparison operator.