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Rev 1952 Rev 1956
Line 33... Line 33...
33 
 
 33 
 
34 
  var json_data = eval("(" + data + ")");
 34 
  var json_data = eval("(" + data + ")");
35 
 
 35 
 
36 
  //Log(JSON.stringify(json_data));
 36 
  //Log(JSON.stringify(json_data));
37 
 
 37 
 
38 
  if (json_data.method == "MBB.GpsNmeaData")
 38 
  if (json_data.method == "MBB.OnPosition")
39 
  {
 39 
  {
40 
    if (Mbb_Clients[client_id])
 40 
    if (Mbb_Clients[client_id])
41 
    {
 41 
    {
- 
 
 42 
      Mbb_Clients[client_id]["Position"] = json_data.params;
- 
 
 43 
     
- 
 
 44 
      //Log("In params: " + JSON.stringify(json_data.params));
- 
 
 45 
     
42 
      if (json_data.params.nmea.substr(0, 6) == "$GPGGA")
 46 
      for (var n = 0; n < Mbb_Susbscribers.length; n++)
43 
      {
 47 
      {
44 
        Mbb_Clients[client_id]["LastNmea"]["GGA"] = json_data.params.nmea;
 - 
 
45 
      }
 - 
 
46 
      else if (json_data.params.nmea.substr(0, 6) == "$GPRMC")
 - 
 
47 
      {
 - 
 
48 
        Mbb_Clients[client_id]["LastNmea"]["RMC"] = json_data.params.nmea;
 - 
 
49 
       
 - 
 
50 
        Mbb_Clients[client_id]["Position"] = _Mbb_NmeaToPosition(client_id);
 - 
 
51 
       
 - 
 
52 
        for (var n = 0; n < Mbb_Susbscribers.length; n++)
 - 
 
53 
        {
 - 
 
54 
          Mbb_Susbscribers[n]("position", Mbb_Clients[client_id]);
 48 
        Mbb_Susbscribers[n]("position", Mbb_Clients[client_id]);
55 
        }
 - 
 
56 
       
 - 
 
57 
        Mbb_Clients[client_id]["LastNmea"]["GGA"] = "";
 - 
 
58 
        Mbb_Clients[client_id]["LastNmea"]["RMC"] = "";
 - 
 
59 
        Mbb_Clients[client_id]["Position"] = false;
 - 
 
60 
      }
 49 
      }
- 
 
 50 
     
- 
 
 51 
     
- 
 
 52 
     
- 
 
 53 
      //Log("Out nmea:" + JSON.stringify(_Mbb_NmeaToPosition(json_data.params.NmeaRmc, json_data.params.NmeaGga)));
61 
    }
 54 
    }
62 
    else
 55 
    else
63 
    {
 56 
    {
64 
      Log("Got data from unknown tracker!");
 57 
      Log("Got data from unknown tracker!");
65 
    }
 58 
    }
66 
  }
 59 
  }
67 
  else if (json_data.method == "MBB.OnConnected")
 60 
  else if (json_data.method == "MBB.OnConnected")
68 
  {
 61 
  {
69 
    json_data = { "params" : { "Imei" : "004401700721448" } }; // Temporary hack since we get corrupted data from the device
 - 
 
70 
   
 - 
 
71 
    Log("Client " + client_id + " has IMEI " + json_data.params.Imei);
 62 
    Log("Client " + client_id + " has IMEI " + json_data.params.Imei);
72 
   
 63 
   
73 
    Mbb_Clients[client_id]["Id"] = client_id;
 64 
    Mbb_Clients[client_id]["Id"] = client_id;
74 
    Mbb_Clients[client_id]["Info"] = json_data.params;
 65 
    Mbb_Clients[client_id]["Info"] = json_data.params;
75 
    Mbb_Clients[client_id]["Position"] = false;
 66 
    Mbb_Clients[client_id]["Position"] = false;
76 
    Mbb_Clients[client_id]["LastNmea"] = {};
 - 
 
77 
    Mbb_Clients[client_id]["LastNmea"]["GGA"] = "";
 - 
 
78 
    Mbb_Clients[client_id]["LastNmea"]["RMC"] = "";
 - 
 
79 
   
 67 
   
80 
    for (var n = 0; n < Mbb_Susbscribers.length; n++)
 68 
    for (var n = 0; n < Mbb_Susbscribers.length; n++)
81 
    {
 69 
    {
82 
      Mbb_Susbscribers[n]("connected", Mbb_Clients[client_id]);
 70 
      Mbb_Susbscribers[n]("connected", Mbb_Clients[client_id]);
83 
    }
 71 
    }
Line 91... Line 79...
91 
function Mbb_SendData(client_id, json_data)
 79 
function Mbb_SendData(client_id, json_data)
92 
{
 80 
{
93 
  return MbbExport_SendData(client_id, JSON.Stringify(json_data));
 81 
  return MbbExport_SendData(client_id, JSON.Stringify(json_data));
94 
}
 82 
}
95 
 
 83 
 
- 
 
 84 
 
96 
function _Mbb_NmeaToPosition(client_id)
 85 
function _Mbb_NmeaToPosition(rmc, gga)
97 
{
 86 
{
98 
  /*
 87 
  /*
99 
      GGA          Global Positioning System Fix Data
 88 
      GGA          Global Positioning System Fix Data
100 
*     123519       Fix taken at 12:35:19 UTC
 89 
*     123519       Fix taken at 12:35:19 UTC
101 
*     4807.038,N   Latitude 48 deg 07.038' N
 90 
*     4807.038,N   Latitude 48 deg 07.038' N
Line 115... Line 104...
115 
*     46.9,M       Height of geoid (mean sea level) above WGS84
 104 
*     46.9,M       Height of geoid (mean sea level) above WGS84
116 
                  ellipsoid
 105 
                  ellipsoid
117 
  (empty field) time in seconds since last DGPS update
 106 
  (empty field) time in seconds since last DGPS update
118 
  (empty field) DGPS station ID number
 107 
  (empty field) DGPS station ID number
119 
  *47          the checksum data, always begins with *
 108 
  *47          the checksum data, always begins with *
120 
 
 109 
 
121 
 
 110 
 
122 
  $GPRMC,123519,A,4807.038,N,01131.000,E,022.4,084.4,230394,003.1,W*6A
 111 
  $GPRMC,123519,A,4807.038,N,01131.000,E,022.4,084.4,230394,003.1,W*6A
123 
 
 112 
 
124 
      RMC          Recommended Minimum sentence C
 113 
      RMC          Recommended Minimum sentence C
125 
*     123519       Fix taken at 12:35:19 UTC
 114 
*     123519       Fix taken at 12:35:19 UTC
126 
*     A            Status A=active or V=Void.
 115 
*     A            Status A=active or V=Void.
Line 130... Line 119...
130 
*     084.4        Track angle in degrees True
 119 
*     084.4        Track angle in degrees True
131 
*     230394       Date - 23rd of March 1994
 120 
*     230394       Date - 23rd of March 1994
132 
*     003.1,W      Magnetic Variation
 121 
*     003.1,W      Magnetic Variation
133 
  *6A          The checksum data, always begins with *
 122 
  *6A          The checksum data, always begins with *
134 
*/
 123 
*/
135 
 
 124 
 
136 
 
 125 
 
137 
  var nmea_rmc_parts = Mbb_Clients[client_id]["LastNmea"]["RMC"].split(",");
 126 
  var nmea_rmc_parts = rmc.split(",");
138 
 
 127 
 
139 
  if (nmea_rmc_parts[2] == "A")
 128 
  if (nmea_rmc_parts[2] == "A")
140 
  {
 129 
  {
141 
    var nmea_gga_parts = Mbb_Clients[client_id]["LastNmea"]["GGA"].split(",");
 130 
    var nmea_gga_parts = gga.split(",");
142 
    var position = {};
 131 
    var position = {};
143 
 
 132 
 
144 
    position["Datetime"]            = "20" + nmea_rmc_parts[9].substr(4, 2) + "-" + nmea_rmc_parts[9].substr(2, 2) + "-" + nmea_rmc_parts[9].substr(0, 2);
 133 
    position["Datetime"]            = "20" + nmea_rmc_parts[9].substr(4, 2) + "-" + nmea_rmc_parts[9].substr(2, 2) + "-" + nmea_rmc_parts[9].substr(0, 2);
145 
    position["Datetime"]            += " " + nmea_rmc_parts[1].substr(0, 2) + ":" + nmea_rmc_parts[1].substr(2, 2) + ":" + nmea_rmc_parts[1].substr(4, 2) + " UTC";
 134 
    position["Datetime"]            += " " + nmea_rmc_parts[1].substr(0, 2) + ":" + nmea_rmc_parts[1].substr(2, 2) + ":" + nmea_rmc_parts[1].substr(4, 2) + " UTC";
146 
 
 135 
 
147 
   
 136 
   
148 
    /* Calculate decimal latitude */
 137 
    /* Calculate decimal latitude */
149 
    var degrees = parseFloat(nmea_rmc_parts[3].substr(0, 2));
 138 
    var degrees = parseFloat(nmea_rmc_parts[3].substr(0, 2));
150 
    var decimal = parseFloat(nmea_rmc_parts[3].substr(2));
 139 
    var decimal = parseFloat(nmea_rmc_parts[3].substr(2));
151 
   
 140 
   
152 
    position["Latitude"] = degrees + (decimal / 60.0);
 141 
    position["Latitude"] = degrees + (decimal / 60.0);
153 
   
 142 
   
154 
    if (nmea_rmc_parts[4] == "S")
 143 
    if (nmea_rmc_parts[4] == "S")
155 
    {
 144 
    {
156 
      position["Latitude"] = -position["Latitude"];
 145 
      position["Latitude"] = -position["Latitude"];
157 
    }
 146 
    }
158 
 
 147 
 
159 
    /* Calculate decimal longitude */
 148 
    /* Calculate decimal longitude */
160 
    var degrees = parseFloat(nmea_rmc_parts[5].substr(0, 3));
 149 
    var degrees = parseFloat(nmea_rmc_parts[5].substr(0, 3));
161 
    var decimal = parseFloat(nmea_rmc_parts[5].substr(3));
 150 
    var decimal = parseFloat(nmea_rmc_parts[5].substr(3));
162 
   
 151 
   
163 
    position["Longitude"] = degrees + (decimal / 60.0);
 152 
    position["Longitude"] = degrees + (decimal / 60.0);
164 
   
 153 
   
165 
    if (nmea_rmc_parts[6] == "W")
 154 
    if (nmea_rmc_parts[6] == "W")
166 
    {
 155 
    {
167 
      position["Longitude"] = -position["Longitude"];
 156 
      position["Longitude"] = -position["Longitude"];
168 
    }
 157 
    }
169 
   
 158 
   
170 
    position["Hdop"] = nmea_gga_parts[8];
 159 
    position["Hdop"] = nmea_gga_parts[8];
171 
   
 160 
   
172 
    position["Satellites"] = nmea_gga_parts[7];
 161 
    position["Satellites"] = nmea_gga_parts[7];
173 
   
 162 
   
174 
    position["Altitude"] = nmea_gga_parts[9]; // Meters
 163 
    position["Altitude"] = nmea_gga_parts[9]; // Meters
175 
    position["HeightOfGeoid"] = nmea_gga_parts[11] // Meters
 164 
    position["HeightOfGeoid"] = nmea_gga_parts[11] // Meters
176 
   
 165 
   
177 
    position["Speed"] = nmea_rmc_parts[7]; // Knots
 166 
    position["Speed"] = nmea_rmc_parts[7]; // Knots
178 
    position["Angle"] = nmea_rmc_parts[8];
 167 
    position["Angle"] = nmea_rmc_parts[8];
179 
   
 168 
 
180 
    if (nmea_rmc_parts[10] != "")
 - 
 
181 
    {
 - 
 
182 
      position["MagneticDeclination"] = parseFloat(nmea_rmc_parts[10]);
 - 
 
183 
     
 - 
 
184 
      if (nmea_rmc_parts[11].substr(0, 1) == "W")
 - 
 
185 
      {
 - 
 
186 
        position["MagneticDeclination"] = -position["MagneticDeclination"];
 - 
 
187 
      }
 - 
 
188 
    }
 - 
 
189 
   
 169 
   
190 
    return position;
 170 
    return position;
191 
  }
 171 
  }
192 
 
 172 
 
193 
  return false;
 173 
  return false;
194 
}
 174 
}
- 
 
 175