update
This commit is contained in:
meusinfirmary
@ -1,5 +1,8 @@
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const LibHelper = require("./LibHelper");
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// Menyimpan status per device untuk mendeteksi cache
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const deviceStates = {};
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class LibDevice {
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/**
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*
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@ -21,198 +24,105 @@ class LibDevice {
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ori_string: data,
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};
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// eelinkCustom
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if (opts.isEelinkCustom) {
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me.protocol_name = "eelinkCustom";
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me.field0 = data.slice(0, 2); // system status flag
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me.field1 = data.slice(2, 18); // IMEI
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me.field2 = data.slice(18, 34); // IMSI
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me.field3 = data.slice(34, 42); // Time
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me.field4 = data.slice(42, 58); // Location
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me.field5 = data.slice(58, 62); // Altitude
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me.field6 = data.slice(62, 66); // Heading
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me.field7 = data.slice(66, 68); // Velocity
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me.field8 = data.slice(68, 70); // Power Input Voltage
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me.field9 = data.slice(70, 72); // GPIO Status
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me.field10 = data.slice(72, 74); // Time Seconds
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me.field11 = data.slice(74, 76); // RSSI
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me.field12 = data.slice(76, 78); // Sequence Counter
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me.field13 = data.slice(78, 80); // Vendor ID
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me.field14 = data.slice(80, 82); // GPS Satellites
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me.field15 = data.slice(82, 90); // Accumulators
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me.field0 = data.slice(0, 2);
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me.field1 = data.slice(2, 18);
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me.field2 = data.slice(18, 34);
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me.field3 = data.slice(34, 42);
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me.field4 = data.slice(42, 58);
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me.field5 = data.slice(58, 62);
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me.field6 = data.slice(62, 66);
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me.field7 = data.slice(66, 68);
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me.field8 = data.slice(68, 70);
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me.field9 = data.slice(70, 72);
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me.field10 = data.slice(72, 74);
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me.field11 = data.slice(74, 76);
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me.field12 = data.slice(76, 78);
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me.field13 = data.slice(78, 80);
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me.field14 = data.slice(80, 82);
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me.field15 = data.slice(82, 90);
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me.ori_string = data;
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}
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// gt06
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else if (data.slice(0, 4) == "7878" || data.slice(0, 4) == "7979") {
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} else if (data.slice(0, 4) == "7878" || data.slice(0, 4) == "7979") {
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me.protocol_name = "gt06";
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me.start = data.slice(0, 4);
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me.length = parseInt(data.slice(4, 6), 16);
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me.protocol_id = data.slice(6, 8);
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me.serial_number = data.slice(-12, -8);
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me.error_check = data.slice(-8, -4);
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me.finish = data.slice(-4); // data.substr(6 + me.length * 2, 4);
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me.finish = data.slice(-4);
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if (me.finish != "0d0a") {
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throw "finish code incorrect!";
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}
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me.ori_string = data;
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}
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// gt02a
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else if (data.slice(0, 4) == "6868") {
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} else if (data.slice(0, 4) == "6868") {
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me.protocol_name = "gt02a";
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}
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// tk103
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// else if (data.indexOf("B")) {
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// me.protocol_name = 'tk103';
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// }
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// eelink
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else if (data.slice(0, 4) == "6767") {
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} else if (data.slice(0, 4) == "6767") {
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me.protocol_name = "eelink";
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me.start = data.slice(0, 4);
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me.pid = data.slice(4, 6);
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me.size = parseInt(data.slice(6, 10), 16);
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me.sequence = parseInt(data.slice(10, 4), 16);
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me.ori_string = data;
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}
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// unknown
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else {
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} else {
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me.protocol_name = "unknown";
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}
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return me;
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}
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/**
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*
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* @param {Object} me
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* @param {String} device_id
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* @returns
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* must return at least => act.cmd,act.action_type,act.device_id
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*/
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static gt06Action(me, device_id = null) {
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const act = {};
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// Login message
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if (me.protocol_id == "01") {
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act.action_type = "login";
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act.cmd = "login_request";
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act.action = "login_request";
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act.device_id = me.ori_string.slice(8).slice(0, 16).padStart(16, "0");
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act.buffer_resp = LibDevice.gt06AuthorizeResp(me);
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}
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// Location data
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else if (me.protocol_id == "12" || me.protocol_id == "a0") {
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} else if (me.protocol_id == "12" || me.protocol_id == "a0") {
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act.action_type = "location";
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act.cmd = "ping";
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act.action = "ping";
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act.device_id = device_id; // because device_id only sent when login
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// content data
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// me.ori_string.slice(8).slice(0, 52); // me.ori_string.substr(8, me.length * 2);
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// gps information
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act.device_id = device_id;
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act.gps_string = me.ori_string.slice(8).slice(0, 36);
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act.gps_data = LibDevice.gt06ParseLocation(me, act.gps_string);
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// if (!act.gps_data) {
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// //Something bad happened
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// _this.do_log('GPS Data can\'t be parsed. Discarding packet...');
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// return false;
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// }
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// lbs information
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act.lbs_string = me.ori_string.slice(8).slice(36, 52);
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act.lbs_data = LibDevice.gt06ParseLbs(me, act.lbs_string);
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}
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// Status information
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else if (me.protocol_id == "13") {
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act.action_type = "heartbeat";
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// ==== Tambahan Deteksi Data Cache ====
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try {
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const gpsTime = new Date(act.gps_data?.date || "");
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const now = new Date();
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const timeDiff = Math.abs(now.getTime() - gpsTime.getTime()) / 1000;
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const serialNum = parseInt(me.serial_number, 16);
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const lastState = deviceStates[device_id] || {};
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let isSerialBurst = false;
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if (lastState.last_serial != null && lastState.last_time != null) {
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const interval = (Date.now() - lastState.last_time) / 1000;
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isSerialBurst = serialNum === lastState.last_serial + 1 && interval < 2;
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}
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act.is_cached = timeDiff > 30 || isSerialBurst;
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deviceStates[device_id] = {
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last_serial: serialNum,
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last_time: Date.now(),
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};
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} catch (err) {
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act.is_cached = false;
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}
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} else if (me.protocol_id == "13") {
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act.action_type = "heartbeat";
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act.cmd = "heartbeat";
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act.action = "heartbeat";
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act.device_id = device_id; // because device_id only sent when login
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// status information
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act.device_id = device_id;
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act.stts_string = me.ori_string.slice(8).slice(0, 10);
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act.stts_data = LibDevice.gt06ParseHeartbeat(me, act.stts_string);
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act.buffer_resp = LibDevice.gt06HeartbeatResp(me);
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}
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// String information
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else if (me.protocol_id == "15") {
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// act.action_type = 'other'; // 'heartbeat';
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// act.cmd = 'other'; // 'heartbeat';
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// act.action = 'other'; // 'heartbeat';
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// act.device_id = ''; // device_id; // because device_id only sent when login
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act.action_type = "heartbeat";
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act.cmd = "heartbeat";
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act.action = "heartbeat";
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act.device_id = device_id; // because device_id only sent when login
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// status information
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act.stts_string = me.ori_string.slice(8).slice(0, 10);
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act.stts_data = LibDevice.gt06ParseHeartbeat(me, act.stts_string);
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act.buffer_resp = LibDevice.gt06HeartbeatResp(me);
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}
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// Alarm data
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else if (me.protocol_id == "16" || me.protocol_id == "18") {
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act.action_type = "alarm";
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act.cmd = "alarm";
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act.action = "alarm";
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act.device_id = device_id; // because device_id only sent when login
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// content data
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// me.ori_string.slice(8).slice(0, 64); // me.ori_string.substr(8, me.length * 2);
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// gps information
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act.gps_string = me.ori_string.slice(8).slice(0, 36);
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act.gps_data = LibDevice.gt06ParseLocation(me, act.gps_string);
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// lbs information
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act.lbs_string = me.ori_string.slice(8).slice(36, 54);
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act.lbs_data = LibDevice.gt06ParseLbs(me, act.lbs_string);
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// status information
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act.stts_string = me.ori_string.slice(8).slice(54, 64);
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act.stts_data = LibDevice.gt06ParseStatusAlarm(me, act.stts_string);
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act.buffer_resp = LibDevice.gt06AlarmResp(me);
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}
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// GPS, query address information by phone number
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else if (me.protocol_id == "1A") {
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act.action_type = "other";
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act.cmd = "other";
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act.action = "other";
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act.device_id = "";
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}
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// Command information sent by the server to the terminal
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else if (me.protocol_id == "80") {
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act.action_type = "other";
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act.cmd = "other";
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act.action = "other";
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act.device_id = "";
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} else {
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act.action_type = "other";
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act.cmd = "other";
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act.action = "other";
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act.device_id = "";
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act.device_id = device_id || "";
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}
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return act;
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}
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@ -220,6 +130,10 @@ class LibDevice {
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return Buffer.from("787805010001d9dc0d0a", "hex");
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}
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static gt06AuthorizeResp(me) {
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return Buffer.from("787805010001d9dc0d0a", "hex");
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}
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static gt06ParseLocation(me, gps_string = null) {
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if (!gps_string) {
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gps_string = me.ori_string.slice(8).slice(0, 36);
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