79 lines
1.3 KiB
PHP
79 lines
1.3 KiB
PHP
<?php defined('SYSPATH') or die('No direct access allowed.');
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/**
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* This class is handling Ademco Contact ID Events
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*
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* @package HAlMon
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* @category Helpers
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* @author Deon George
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* @copyright (c) 2010 Deon George
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* @license http://dev.leenooks.net/license.html
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*/
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class Protocol_ContactID extends Protocol {
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protected $_protocol = PROTOCOL_CONTACTID;
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private $_checksum_map = array(
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'0'=>10,
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'1'=>1,
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'2'=>2,
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'3'=>3,
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'4'=>4,
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'5'=>5,
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'6'=>6,
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'7'=>7,
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'8'=>8,
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'9'=>9,
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'*'=>11,
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'#'=>12,
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'A'=>13,
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'B'=>14,
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'C'=>15,
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);
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public function accnum() {
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return substr($this->_id,0,4);
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}
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public function area() {
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return substr($this->_id,10,2);
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}
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// Check that this event is valid
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public function check($id) {
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if (strlen($id) != 16)
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return FALSE;
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// Our checksum should be mod15
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$c = $t = 0;
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while ($c<strlen($id))
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$t += $this->_checksum_map[substr($id,$c++,1)];
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return ($t%15 === 0) ? TRUE : FALSE;
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}
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public function checksum() {
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return substr($this->_id,15,1);
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}
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public function equal() {
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return substr($this->_id,6,1);
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}
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public function etype() {
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return substr($this->_id,7,3);
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}
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public function info() {
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return substr($this->_id,12,3);
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}
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/**
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* Message Type
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* @note This is typically always 18
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*/
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public function type() {
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return substr($this->_id,4,2);
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}
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}
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?>
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