AFG/dump1090
3
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Track age of heading/speed/altitude; use this when deciding what to emit in FATSV format.

Browse source
This commit is contained in:
Oliver Jowett 2015-06-15 23:13:04 +01:00
parent 03b53c2d29
commit 4f861f653a
4 changed files with 81 additions and 39 deletions
Download patch file Download diff file Expand all files Collapse all files

5
track.c
View file

@ -147,7 +147,7 @@ static int speed_check(struct aircraft *a, struct modesMessage *mm, double lat,
speed = (mm->velocity + a->speed) / 2;
else if (mm->bFlags & MODES_ACFLAGS_SPEED_VALID)
speed = mm->velocity;
else if (a->bFlags & MODES_ACFLAGS_SPEED_VALID)
else if ((a->bFlags & MODES_ACFLAGS_SPEED_VALID) && (now - a->seenSpeed) < 30000)
speed = a->speed;
else
speed = surface ? 100 : 600; // guess
@ -469,6 +469,7 @@ struct aircraft *trackUpdateFromMessage(struct modesMessage *mm)
}
a->altitude = mm->altitude;
a->modeC = (mm->altitude + 49) / 100;
a->seenAltitude = now;
}
// If a (new) SQUAWK has been received, copy it to the aircraft structure
@ -483,11 +484,13 @@ struct aircraft *trackUpdateFromMessage(struct modesMessage *mm)
// If a (new) HEADING has been received, copy it to the aircraft structure
if (mm->bFlags & MODES_ACFLAGS_HEADING_VALID) {
a->track = mm->heading;
a->seenTrack = now;
}
// If a (new) SPEED has been received, copy it to the aircraft structure
if (mm->bFlags & MODES_ACFLAGS_SPEED_VALID) {
a->speed = mm->velocity;
a->seenSpeed = now;
}
// If a (new) Vertical Descent rate has been received, copy it to the aircraft structure