TTN Decoder for Dragino TrackerD (reformatted)

TTN Decoder TrackerD 1.4.3.js

function decodeUplink(input) {
  var bytes = input.bytes;
  var port = input.fPort;

  function getLatitude() {
    return (bytes[0]<<24 | bytes[1]<<16 | bytes[2]<<8 | bytes[3])/1000000; // gps latitude,unit: °
  }
  function getLongitude() {
    return (bytes[4]<<24 | bytes[5]<<16 | bytes[6]<<8 | bytes[7])/1000000; // gps longitude,unit: °
  }
  function getLocation() {
    var latitude = getLatitude();
    var longitude = getLongitude();
    if ((latitude > -190) && (latitude < 190) && (latitude !== 0) &&
        (longitude > -190) && (longitude < 190) && (longitude !== 0))
    {
      return "" + latitude + "," + longitude + "";
    } else {
      return "NULL";
    }
  }

  var batV, led_updown, intwk;
  if(port == 2 || port == 3) {
    var alarm = (bytes[8] & 0x40) !== 0; // alarm status
    batV = (((bytes[8] & 0x3f)<<8) | bytes[9])/1000; // battery,unit:V
    led_updown = (bytes[8] & 0x02) !== 0; // LED status for position, uplink and downlink
    intwk = (bytes[8] & 0x01) !== 0;

    var hum, temp;
    if((bytes[10] & 0xc0) !== 1) {
      hum = (bytes[11]<<8 | bytes[12])/10; // humidity,unit: %
      temp = (bytes[13]<<8 | bytes[14])/10; // temperature,unit: °C
    }

    if(port == 2) {
      return {
        data: {
          Location: getLocation(bytes),
          Latitude: getLatitude(bytes),
          Longitude: getLongitude(bytes),
          Humidity: hum,
          Temperature: temp,
          BatteryVoltage: batV,
          AlarmStatus: alarm,
          LightStatus: led_updown,
          Transport: intwk,
        },
      };
    } else if(port == 3) {
      return {
        data: {
          Location: getLocation(bytes),
          Latitude: getLatitude(bytes),
          Longitude: getLongitude(bytes),
          BatteryVoltage: batV,
          Alarm: alarm,
          LightEnabled: led_updown,
          TransportMoving: intwk,
        },
      };
    }
  }
  else if(port == 4) {
    var year = bytes[8]<<8 | bytes[9];
    var month = bytes[10];
    var day = bytes[11];
    var hour = bytes[12];
    var min = bytes[13];
    var sec = bytes[14];

    return {
      data: {
        Location: getLocation(bytes),
        Latitude: getLatitude(bytes),
        Longitude: getLongitude(bytes),
        Date: year+":"+month+":"+day,
        Time: hour+":"+min+":"+sec,
      },
    };
  }
  else if(port == 5) {
    var sensor_model = (bytes[0] == 0x13) ? "TrackerD" : "NULL";

    var freq_band;
    if(bytes[3] == 0x01)
      freq_band = "EU868";
    else if(bytes[3] == 0x02)
      freq_band = "US915";
    else if(bytes[3] == 0x03)
      freq_band = "IN865";
    else if(bytes[3] == 0x04)
      freq_band = "AU915";
    else if(bytes[3] == 0x05)
      freq_band = "KZ865";
    else if(bytes[3] == 0x06)
      freq_band = "RU864";
    else if(bytes[3] == 0x07)
      freq_band = "AS923";
    else if(bytes[3] == 0x08)
      freq_band = "AS923_1";
    else if(bytes[3] == 0x09)
      freq_band = "AS923_2";
    else if(bytes[3] == 0x0A)
      freq_band = "AS923_3";
    else if(bytes[3] == 0x0B)
      freq_band = "CN470";
    else if(bytes[3] == 0x0C)
      freq_band = "EU433";
    else if(bytes[3] == 0x0D)
      freq_band = "KR920";
    else if(bytes[3] == 0x0E)
      freq_band = "MA869";

    var sub_band = (bytes[4] == 0xff) ? "NULL" : bytes[4];

    var firm_ver = (bytes[1] & 0x0f)+'.'+((bytes[2]>>4) & 0x0f)+'.'+(bytes[2] & 0x0f);
    var sensor_mode = (bytes[7]>>6) & 0x3f;
    var gps_mod = (bytes[7]>>4) & 0x03;
    var ble_mod = bytes[7] & 0x0f;

    batV = (((bytes[5] & 0x3f)<<8) | bytes[6])/1000; // battery,unit:V
    var pnackmd = (bytes[8] & 0x04) !== 0; // PNACKMD status
    led_updown = (bytes[8] & 0x02) !== 0; // LED status for position, uplink and downlink
    intwk = (bytes[8] & 0x01) !== 0;

    var sensor;
    if(sensor_mode == 1)
      sensor = "GPS";
    else if(sensor_mode == 2)
      sensor = "BLE";
    else if(intwk)
      sensor = "Spots";
    else if(sensor_mode == 3)
      sensor = "BLE+GPS Hybrid";

    return {
      data: {
        SensorModel: sensor_model,
        FirmwareVersion: firm_ver,
        FrequencyBand: freq_band,
        SubBand: sub_band,
        Sensor: sensor,
        GPSMode: gps_mod,
        BLEMode: ble_mod,
        BatteryVoltage: batV,
        PNACHEnabled: pnackmd,
        LightEnabled: led_updown,
        TransportMoving: intwk,
      },
    };
  }

  // if(port == 6)
  // {
  //   major =  bytes[17];

  //   minor =  bytes[19];

  //   power = bytes[20] << 8 | bytes[21];

  //   rssi =  bytes[23]<<24>>24;

  //   con = "";
  //   for(i = 0 ; i < 16 ; i++) {
  //       con += bytes[i].toString(16);
  //   }
  //   value =  con;
  //   var uuid = value;
  //   alarm=(bytes[24] & 0x40)?"TRUE":"FALSE";//Alarm status
  //   batV=(((bytes[24] & 0x3f) <<8) | bytes[25])/1000;//Battery,units:V
  //   mod = (bytes[26] & 0xC0)>>6;
  //   led_updown=(bytes[26] & 0x20)?"ON":"OFF";//LED status for position,uplink and downlink
  //   if(bytes[26] & 0xC0==0x40)
  //   {
  //     hum=(bytes[27]<<8 | bytes[28])/10;//hum,units: °
  //     tem=(bytes[29]<<8 | bytes[30])/10; //tem,units: °
  //   }
  //   return {
  //     BatV:batV,
  //     ALARM_status:alarm,
  //     MD:mod,
  //     LON:led_updown,
  //     UUID: uuid,
  //     MAJOR: major,
  //     MINOR: minor,
  //     RSSI:rssi,
  //     POWER:power,
  //     };
  // }
  // if(port == 0x07)
  // {
  //       alarm=(bytes[0] & 0x40)?"TRUE":"FALSE";//Alarm status
  //       batV=(((bytes[0] & 0x3f) <<8) | bytes[1])/1000;//Battery,units:V
  //       mod = bytes[2] & 0xC0;
  //       led_updown=(bytes[2] & 0x20)?"ON":"OFF";//LED status for position,uplink and downlink
  //       return {
  //         BatV:batV,
  //         ALARM_status:alarm,
  //         MD:mod,
  //         LON:led_updown,
  //         };
  // }
  // if(port==0x08)
  // {
  //     con = "";
  //     for(i = 0 ; i < 6 ; i++) {
  //         con = bytes[i].toString();
  //         str += String.fromCharCode(con);
  //     }
  //     var wifissid = str,
  //     rssi =  bytes[6]<<24>>24;
  //     alarm=(bytes[7] & 0x40)?"TRUE":"FALSE";//Alarm status
  //     batV=(((bytes[7] & 0x3f) <<8) | bytes[8])/1000;//Battery,units:V
  //     mod = (bytes[9] & 0xC0)>>6;
  //     led_updown=(bytes[9] & 0x20)?"ON":"OFF";//LED status for position,uplink and downlink
  //         return {
  //           WIFISSID:wifissid,
  //           RSSI:rssi,
  //           BatV:batV,
  //           ALARM_status:alarm,
  //           MD:mod,
  //           LON:led_updown,
  //           };
  // }
}