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<?php
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// +----------------------------------------------------------------------
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// | bronet [ 以客户为中心 以奋斗者为本 ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2013-2017 http://www.bronet.cn All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: 老猫 <bronet@126.com>
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// +----------------------------------------------------------------------
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namespace app\admin\service;
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use think\Db;
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class LightService
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{
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public function lightChange($id="",$status1='01',$status2='01',$u=""){
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if ($id==""){
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return false;
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}else {
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$light=Db::name('light')->where('id',$id)->find();
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$client = fsockopen('114.215.223.17', 5002, $errno, $errmsg, 1);
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$code=$light['addr'].'10000000102001'.$light['addr'].$status1.$status2.$this->strtoascii($u).'00';
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$crc=$this->crc16_modbus($code);
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$changeCode=$code.substr($crc,2,2).substr($crc,0,2);
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// var_dump($queryCode);
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$data = array('uid' => $light['number'], 'percent' => "$changeCode");
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// 发送数据,注意5678端口是Text协议的端口,Text协议需要在数据末尾加上换行符
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fwrite($client, json_encode($data) . "\n");
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// 读取推送结果
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return fread($client, 8192);
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}
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}
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function crc16_modbus($msg)
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{
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$data = pack('H*',$msg);
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$crc = 0xFFFF;
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for ($i = 0; $i < strlen($data); $i++)
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{
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$crc ^=ord($data[$i]);
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for ($j = 8; $j !=0; $j--)
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{
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if (($crc & 0x0001) !=0)
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{
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$crc >>= 1;
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$crc ^= 0xA001;
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}
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else $crc >>= 1;
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}
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}
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return sprintf('%04X', $crc);
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}
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public function strtoascii($str="")
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{
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$str = mb_convert_encoding($str, 'GB2312');
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$change_after = '';
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for ($i = 0; $i < strlen($str); $i=$i+2) {
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$change_after .= dechex(ord($str[$i])).dechex(ord($str[$i+1]));
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}
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for ($i=0;strlen($change_after)<52;$i++){
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$change_after=$change_after.'00';
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}
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return strtoupper($change_after);
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}
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} |
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\ No newline at end of file |
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