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(root)/trunk/PcSoftware/Atom1.5/script/plugin/mbb.js @ 1962 – Rev 1952 → 1956

Rev 1952 | Only display areas with differences | Regard whitespace | Details | Blame | Last modification | View Log | SVN | RSS feed

 Mbb_Clients = {};
 Mbb_Susbscribers = [];
 function Mbb_SubscribeToDeviceStatus(callback)
+{
   Mbb_Susbscribers.push(callback);
+}
 function Mbb_Connected(client_id)
+{
   Log(client_id + " connected!");
   Mbb_Clients[client_id] = {};
+}
 function Mbb_Disconnected(client_id)
+{
   Log(client_id + " disconnected!");
   for (var n = 0; n < Mbb_Susbscribers.length; n++)
+  {
     Mbb_Susbscribers[n]("disconnected", Mbb_Clients[client_id]);
+  }
   delete Mbb_Clients[client_id];
+}
 function Mbb_ReceivedData(client_id, data)
+{
   Log(data);
   var json_data = eval("(" + data + ")");
   //Log(JSON.stringify(json_data));
-  if (json_data.method == "MBB.GpsNmeaData")
+  if (json_data.method == "MBB.OnPosition")
+  {
     if (Mbb_Clients[client_id])
+    {
-      if (json_data.params.nmea.substr(0, 6) == "$GPGGA")
+      Mbb_Clients[client_id]["Position"] = json_data.params;
-      {
-        Mbb_Clients[client_id]["LastNmea"]["GGA"] = json_data.params.nmea;
+      //Log("In params: " + JSON.stringify(json_data.params));
-      }
-      else if (json_data.params.nmea.substr(0, 6) == "$GPRMC")
+      for (var n = 0; n < Mbb_Susbscribers.length; n++)
+      {
-        Mbb_Clients[client_id]["LastNmea"]["RMC"] = json_data.params.nmea;
+        Mbb_Susbscribers[n]("position", Mbb_Clients[client_id]);
+      }
-        Mbb_Clients[client_id]["Position"] = _Mbb_NmeaToPosition(client_id);
-        for (var n = 0; n < Mbb_Susbscribers.length; n++)
+      //Log("Out nmea:" + JSON.stringify(_Mbb_NmeaToPosition(json_data.params.NmeaRmc, json_data.params.NmeaGga)));
+    }
+    else
+    {
-          Mbb_Susbscribers[n]("position", Mbb_Clients[client_id]);
-        }
-        Mbb_Clients[client_id]["LastNmea"]["GGA"] = "";
-        Mbb_Clients[client_id]["LastNmea"]["RMC"] = "";
-        Mbb_Clients[client_id]["Position"] = false;
-      }
-    }
-    else
-    {
       Log("Got data from unknown tracker!");
     }
   }
   else if (json_data.method == "MBB.OnConnected")
+  {
-    json_data = { "params" : { "Imei" : "004401700721448" } }; // Temporary hack since we get corrupted data from the device
     Log("Client " + client_id + " has IMEI " + json_data.params.Imei);
     Mbb_Clients[client_id]["Id"] = client_id;
     Mbb_Clients[client_id]["Info"] = json_data.params;
     Mbb_Clients[client_id]["Position"] = false;
-    Mbb_Clients[client_id]["LastNmea"] = {};
-    Mbb_Clients[client_id]["LastNmea"]["GGA"] = "";
-    Mbb_Clients[client_id]["LastNmea"]["RMC"] = "";
     for (var n = 0; n < Mbb_Susbscribers.length; n++)
+    {
       Mbb_Susbscribers[n]("connected", Mbb_Clients[client_id]);
+    }
   }
   else
+  {
     Log("Got unknown data \"" + data + "\" from client " + client_id);
+  }
 }
 function Mbb_SendData(client_id, json_data)
+{
   return MbbExport_SendData(client_id, JSON.Stringify(json_data));
+}
-function _Mbb_NmeaToPosition(client_id)
+function _Mbb_NmeaToPosition(rmc, gga)
+{
   /*
       GGA          Global Positioning System Fix Data
 *     123519       Fix taken at 12:35:19 UTC
 *     4807.038,N   Latitude 48 deg 07.038' N
 *     01131.000,E  Longitude 11 deg 31.000' E
            Fix quality: 0 = invalid
 = GPS fix (SPS)
 = DGPS fix
 = PPS fix
 = Real Time Kinematic
 = Float RTK
 = estimated (dead reckoning) (2.3 feature)
 = Manual input mode
 = Simulation mode
 *     08           Number of satellites being tracked
 *     0.9          Horizontal dilution of position
 *     545.4,M      Altitude, Meters, above mean sea level
 *     46.9,M       Height of geoid (mean sea level) above WGS84
                   ellipsoid
   (empty field) time in seconds since last DGPS update
   (empty field) DGPS station ID number
   *47          the checksum data, always begins with *
   $GPRMC,123519,A,4807.038,N,01131.000,E,022.4,084.4,230394,003.1,W*6A
       RMC          Recommended Minimum sentence C
 *     123519       Fix taken at 12:35:19 UTC
 *     A            Status A=active or V=Void.
 *     4807.038,N   Latitude 48 deg 07.038' N
 *     01131.000,E  Longitude 11 deg 31.000' E
 *     022.4        Speed over the ground in knots
 *     084.4        Track angle in degrees True
 *     230394       Date - 23rd of March 1994
 *     003.1,W      Magnetic Variation
   *6A          The checksum data, always begins with *
 */
-  var nmea_rmc_parts = Mbb_Clients[client_id]["LastNmea"]["RMC"].split(",");
+  var nmea_rmc_parts = rmc.split(",");
   if (nmea_rmc_parts[2] == "A")
+  {
-    var nmea_gga_parts = Mbb_Clients[client_id]["LastNmea"]["GGA"].split(",");
+    var nmea_gga_parts = gga.split(",");
     var position = {};
     position["Datetime"]            = "20" + nmea_rmc_parts[9].substr(4, 2) + "-" + nmea_rmc_parts[9].substr(2, 2) + "-" + nmea_rmc_parts[9].substr(0, 2);
     position["Datetime"]            += " " + nmea_rmc_parts[1].substr(0, 2) + ":" + nmea_rmc_parts[1].substr(2, 2) + ":" + nmea_rmc_parts[1].substr(4, 2) + " UTC";
     /* Calculate decimal latitude */
     var degrees = parseFloat(nmea_rmc_parts[3].substr(0, 2));
     var decimal = parseFloat(nmea_rmc_parts[3].substr(2));
     position["Latitude"] = degrees + (decimal / 60.0);
     if (nmea_rmc_parts[4] == "S")
+    {
       position["Latitude"] = -position["Latitude"];
+    }
     /* Calculate decimal longitude */
     var degrees = parseFloat(nmea_rmc_parts[5].substr(0, 3));
     var decimal = parseFloat(nmea_rmc_parts[5].substr(3));
     position["Longitude"] = degrees + (decimal / 60.0);
     if (nmea_rmc_parts[6] == "W")
+    {
       position["Longitude"] = -position["Longitude"];
+    }
     position["Hdop"] = nmea_gga_parts[8];
     position["Satellites"] = nmea_gga_parts[7];
     position["Altitude"] = nmea_gga_parts[9]; // Meters
     position["HeightOfGeoid"] = nmea_gga_parts[11] // Meters
     position["Speed"] = nmea_rmc_parts[7]; // Knots
     position["Angle"] = nmea_rmc_parts[8];
-    if (nmea_rmc_parts[10] != "")
-    {
-      position["MagneticDeclination"] = parseFloat(nmea_rmc_parts[10]);
-      if (nmea_rmc_parts[11].substr(0, 1) == "W")
-      {
-        position["MagneticDeclination"] = -position["MagneticDeclination"];
-      }
-    }
     return position;
   }
   return false;
+}