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@@ -0,0 +1,181 @@
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+<?php
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+namespace Jiaruan;
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+
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+class Jytgps {
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+
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+
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+
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+
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+ public static function str2bin( $text ){
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+ if (!is_string($text))
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+ return null;
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+ $arr = explode(' ',$text);
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+ $bin = '';
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+ foreach($arr as $hex){
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+ if(strlen($hex) == 2){
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+ $bin .= chr( hexdec($hex) );
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+ }
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+ }
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+ return $bin;
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+ }
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+
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+
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+ public static function input( $buffer, $connection ){
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+ $end = substr($buffer,-1);
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+ if($end != '#'){
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+ return 0;
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+ }
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+ return strlen($buffer);
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+ }
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+
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+
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+ public static function encode( $value ){
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+ echo 'encode:'.PHP_EOL;
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+ var_dump($value);
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+
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+ return $value['head_char'].$value['identify'].$value['version'].'Y'.$value['function_code'].$value['function_keyword'].$value['end_char'];
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+
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+ }
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+
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+
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+ public static function decode( $buffer ){
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+ $length = strlen($buffer);
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+ $data = array();
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+ $data['head_char'] = substr($buffer,0,1);
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+ $data['identify'] = substr($buffer,1,2);
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+ $data['version'] = substr($buffer,3,2);
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+ $data['replay'] = substr($buffer,5,1);
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+ $index = strpos($buffer,',')+1;
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+ $data['device_id'] = substr($buffer,6,$index-1-6);
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+ $re = substr($buffer,$index,1);
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+ if($re == 'Y'){
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+ $data['function_code'] = substr($buffer,$index+1,1);
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+ $data['function_keyword'] = substr($buffer,$index+2,1);
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+ $data['end_char'] = substr($buffer,$index+3,1);
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+ }else{
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+ $data['function_code'] = substr($buffer,$index,1);
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+ $data['function_keyword'] = substr($buffer,$index+1,1);
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+ $order_data = substr($buffer,$index+2,$length-1);
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+ $data['order_data'] = $order_data;
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+ $data['end_char'] = substr($buffer,-1);
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+ //解析指令数据
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+ /*
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+ function_code(终端--功能类指令): A-上传状态类信息 B-上传定位类信息
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+ function_keyword(功能项):
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+ */
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+ $data['method'] = 'method000'.$data['function_code'];
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+ $data['packet'] = $buffer;
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+ if($data['function_code'] == 'B'&& $data['function_keyword'] == 'A'){
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+
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+ $orders = explode('&',$order_data);
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+ foreach ($orders as $order) {
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+ if($order){
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+ $code = substr($order,0,1);
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+ //解析定位数据
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+ if($code=='A'){
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+ //A0732142233550011405829060520190600
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+ //时分秒
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+ $times = substr($order,1,2).':'.substr($order,3,2).':'.substr($order,5,2);
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+ //定位纠偏 纠偏公式 abcde.fghi abc+de/60+fghi/600000
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+ $lat1 = substr($order,7,4);
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+ $lat2 = substr($order,11,4);
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+ $lat_a = floor($lat1/100);
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+ $lat_b = (($lat1 - $lat_a*100).'.'.$lat2 )/60;
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+ $lat = $lat_a + $lat_b;
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+
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+ $lng1 = substr($order,15,5);
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+ $lng2 = substr($order,20,4);
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+ $lng_a = floor($lng1/100);
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+ $lng_b = (($lng1 - $lng_a*100).'.'.$lng2 )/60;
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+ $lng = $lng_a + $lng_b;
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+ $data['lat'] = $lat;
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+ $data['lng'] = $lng;
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+ /*
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+ $lat_0 = substr($order,7,4).'.'.substr($order,11,4);
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+ $lng_0 = substr($order,15,5).'.'.substr($order,20,4);
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+ $data['lat_0'] = $lat_0;
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+ $data['lng_0'] = $lng_0;
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+ */
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+ $f = ord(substr($order,24,1));
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+ $data['f'] = $f;
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+ $data['type'] = 1;//1-表示取GPS坐标数据,2-表示取基站坐标
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+ switch ($f) {
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+ case 48://0x0011 0000 西经、南纬、定位
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+ $data['ew']='W';
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+ $data['ns']='S';
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+ $data['location']=true;
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+ break;
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+ case 49://0x0011 0001 西经、南纬、非定位
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+ $data['ew']='W';
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+ $data['ns']='S';
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+ $data['location']=false;
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+ break;
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+ case 50://0x0011 0010 西经、北纬、定位
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+ $data['ew']='W';
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+ $data['ns']='N';
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+ $data['location']=true;
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+ break;
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+ case 51://0x0011 0011 西经、北纬、非定位
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+ $data['ew']='W';
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+ $data['ns']='N';
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+ $data['location']=false;
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+ break;
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+ case 52://0x0011 0100 东经、南纬、定位
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+ $data['ew']='E';
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+ $data['ns']='S';
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+ $data['location']=true;
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+ break;
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+ case 53://0x0011 0101东经、南纬、非定位
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+ $data['ew']='E';
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+ $data['ns']='S';
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+ $data['location']=false;
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+ break;
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+ case 54://0x0011 0110东经、北纬、定位
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+ $data['ew']='E';
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+ $data['ns']='N';
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+ $data['location']=true;
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+ break;
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+ case 55://0x0011 0111 东经、北纬、非定位
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+ $data['ew']='E';
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+ $data['ns']='N';
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+ $data['location']=false;
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+ break;
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+ case 63://0x0011 1111 表示设备直接调用第三方的基站位置解析接口成经纬度信息上传，该标志位用来区分正常的GPS 定位经纬度信息
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+ $data['ew']=null;
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+ $data['ns']=null;
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+ $data['type']=2;
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+ break;
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+
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+ default:
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+ break;
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+ }
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+
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+ $data['speed'] = substr($order,25,2);
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+ $data['direction'] = substr($order,27,2);
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+ $dates = '20'.substr($order,33,2).'-'.substr($order,31,2).'-'.substr($order,29,2); //年月日
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+ $data['device_time'] = $dates.' '.$times;
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+ }
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+ }
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+ }
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+
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+
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+ }
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+ }
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+
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+ return $data;
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+ }
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+
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+
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+ public static function bin2str( $hex, $space ){
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+ $data = unpack("C*chars",$hex);
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+ $bin = '';
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+ foreach($data as $key=>$value){
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+ $bin .= sprintf('%02X',$value);
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+ if($space)
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+ $bin .= ' ';
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+ }
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+ return trim($bin);
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+ }
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+
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+
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+}
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webconsole
6 years ago