public static void WriteFile(string filename, RootObject format)
{
var fileout = JsonConvert.SerializeObject(format, Formatting.Indented);
File.WriteAllText(filename, fileout);
}
public static void StartTimer()
{
if (tmr.Enabled || timerRenable.Enabled)
{
return;
}
stop = false;
timerRenable.Interval = 60000;
timerRenable.Tick += (snd, obj) =>
{ tmr.Enabled = true; timerRenable.Enabled = false; };
tmr.Interval = 3000;
tmr.Tick += (snd, obj) =>
{
//if (MainV2.comPort == null || !MainV2.comPort.BaseStream.IsOpen) return;
if (MainV2.comPort.MAV == null || MainV2.comPort.MAV.cs == null)
{
return;
}
if (MainV2.comPort.MAV.cs.Location == null)
{
return;
}
if (MainV2.comPort.MAV.cs.Location.Lat == 0 && MainV2.comPort.MAV.cs.Location.Lng == 0)
{
return;
}
//if (MainV2.comPort.MAV.cs.gpsstatus <= 3) return;
System.ComponentModel.BackgroundWorker bgWorker = new System.ComponentModel.BackgroundWorker();
bool error = false;
tmr.Enabled = timerRenable.Enabled = false;
bgWorker.DoWork += (sender, obj2) =>
{
try
{
//http://public-api.adsbexchange.com/VirtualRadar/AircraftList.json?lat=33.433638&lng=-112.008113&fDstL=0&fDstU=37.04
using (var client = new System.Net.WebClient())
{
string request = string.Format("http://public-api.adsbexchange.com/VirtualRadar/AircraftList.json?lat={0}&lng={1}&fDstL=0&fDstU=37.04", MainV2.comPort.MAV.cs.Location.Lat, MainV2.comPort.MAV.cs.Location.Lng);
if (!string.IsNullOrEmpty(ldv))
{
request = string.Format("http://public-api.adsbexchange.com/VirtualRadar/AircraftList.json?lat={0}&lng={1}&fDstL=0&fDstU=37.04&ldv={2}", MainV2.comPort.MAV.cs.Location.Lat, MainV2.comPort.MAV.cs.Location.Lng, ldv);
}
var json = client.DownloadString(request);
var serializer = new System.Web.Script.Serialization.JavaScriptSerializer();
RootObject adsbexchange = serializer.Deserialize <RootObject>(json);
// TODO: do something with the model
//System.Diagnostics.Debug.WriteLine("Found " + adsbexchange.acList.Count + " aircraft within 20nm");
if (adsbexchange == null)
{
return;
}
if (!string.IsNullOrEmpty(adsbexchange.lastDv))
{
ldv = adsbexchange.lastDv;
}
lock (MainV2.instance.adsbPlanes)
{
float multi = Settings.Instance["distunits"] == "Feet" ? 3.28084f : 1f;
foreach (AcList vehicle in adsbexchange.acList)
{
string id = vehicle.Id.ToString();
//vehicle alt is always feet, if set to meters change
//GAlt is altitude adjusted for local air pressure
PointLatLngAlt vehicleplla = new PointLatLngAlt(vehicle.Lat, vehicle.Long, vehicle.GAlt * 3.2808399f);
double distance = MainV2.comPort.MAV.cs.Location.GetDistance(vehicleplla) * 0.000539957;
double altsep = vehicleplla.Alt - (MainV2.comPort.MAV.cs.altasl * multi);
if (MainV2.instance.adsbPlanes.ContainsKey(id))
{
// update existing
MainV2.instance.adsbPlanes[id].Lat = vehicle.Lat;
MainV2.instance.adsbPlanes[id].Lng = vehicle.Long;
MainV2.instance.adsbPlanes[id].Alt = vehicleplla.Alt;
MainV2.instance.adsbPlanes[id].Heading = (float)vehicle.Trak;
MainV2.instance.adsbPlanes[id].Time = DateTime.Now;
MainV2.instance.adsbPlanes[id].CallSign = vehicle.Call;
MainV2.instance.adsbPlanes[id].Tag = vehicle.Icao; // + Environment.NewLine + species + "/" + vehicle.Call + Environment.NewLine + vehicle.Mdl;
MainV2.instance.adsbPlanes[id].Vsi = vehicle.Vsi;
MainV2.instance.adsbPlanes[id].Species = (adsb.ADSBSpecies)vehicle.Species;
MainV2.instance.adsbPlanes[id].type = vehicle.Type;
}
else
{
// create new plane
MainV2.instance.adsbPlanes[id] =
new adsb.PointLatLngAltHdg(vehicle.Lat, vehicle.Long,
vehicleplla.Alt, (float)vehicle.Trak, id,
DateTime.Now)
{
CallSign = vehicle.Call,
Tag = vehicle.Icao,
DisplayICAO = true,
Vsi = vehicle.Vsi,
Species = (adsb.ADSBSpecies)vehicle.Species,
type = vehicle.Type
};
}
if (distance <= 2 && altsep <= 152.4 && altsep >= -152.4) //closer than 2NM and verticle seperation <= 500 feet
{
MainV2.instance.adsbPlanes[id].ThreatLevel = MAVLink.MAV_COLLISION_THREAT_LEVEL.HIGH;
}
else if (distance <= 5 && altsep <= 457.2 && altsep >= -457.2) //greater than 2NM but less than 5NM and verticle seperation <= 1500 feet
{
MainV2.instance.adsbPlanes[id].ThreatLevel = MAVLink.MAV_COLLISION_THREAT_LEVEL.LOW;
}
else
{
MainV2.instance.adsbPlanes[id].ThreatLevel = MAVLink.MAV_COLLISION_THREAT_LEVEL.NONE;
}
try
{
//send adsb to mav
if (MainV2.comPort.BaseStream.IsOpen)
{
MAVLink.mavlink_adsb_vehicle_t packet = new MAVLink.mavlink_adsb_vehicle_t();
packet.altitude = (int)(MainV2.instance.adsbPlanes[id].Alt * 1000);
packet.altitude_type = (byte)MAVLink.ADSB_ALTITUDE_TYPE.GEOMETRIC;
packet.callsign = ASCIIEncoding.ASCII.GetBytes(MainV2.instance.adsbPlanes[id].CallSign == null ? MainV2.instance.adsbPlanes[id].Tag : MainV2.instance.adsbPlanes[id].CallSign);
packet.emitter_type = (byte)MAVLink.ADSB_EMITTER_TYPE.NO_INFO;
packet.heading = (ushort)(MainV2.instance.adsbPlanes[id].Heading * 100);
packet.lat = (int)(MainV2.instance.adsbPlanes[id].Lat * 1e7);
packet.lon = (int)(MainV2.instance.adsbPlanes[id].Lng * 1e7);
packet.ICAO_address = uint.Parse(id, System.Globalization.NumberStyles.HexNumber);
packet.flags = (ushort)(MAVLink.ADSB_FLAGS.VALID_ALTITUDE | MAVLink.ADSB_FLAGS.VALID_COORDS |
MAVLink.ADSB_FLAGS.VALID_HEADING | MAVLink.ADSB_FLAGS.VALID_CALLSIGN);
//send to current connected
MainV2.comPort.sendPacket(packet, MainV2.comPort.MAV.sysid, MainV2.comPort.MAV.compid);
}
}
catch
{
}
}
foreach (var key in MainV2.instance.adsbPlanes.Keys)
{
adsb.PointLatLngAltHdg tmp;
if (!adsbexchange.acList.Any(x => x.Id.ToString() == key && x.Gnd == false))
{
MainV2.instance.adsbPlanes.TryRemove(key, out tmp);
}
}
}
}
}
catch (System.Net.WebException webException)
{
error = true;
timerRenable.Enabled = true;
}
catch { }
};
if (!error && !stop)
{
tmr.Enabled = true;
}
bgWorker.RunWorkerAsync();
};
tmr.Enabled = true;
}
