// Update live tracker data, non blocking
void LiveTrackerUpdate(NMEA_INFO *Basic, DERIVED_INFO *Calculated)
{
livetracker_point_t newpoint;
static int logtime = 0;
if (!_inited) return; // Do nothing if not inited
if (Basic->NAVWarning) return; // Do not log if no gps fix
if (LiveTrackerInterval==0) return; // Disabled
CCriticalSection::CGuard guard(_t_mutex);
_t_barodevice = Basic->BaroDevice;
//Check if sending needed (time interval)
if (Basic->Time >= logtime) {
logtime = (int)Basic->Time + LiveTrackerInterval;
if (logtime>=86400) logtime-=86400;
} else return;
// Half hour FIFO must be enough
if (_t_points.size() > (unsigned int)(1800 / LiveTrackerInterval)) {
// points in queue are full, drop oldest point
_t_points.pop_front();
}
struct tm t;
time_t t_of_day;
t.tm_year = Basic->Year - 1900;
t.tm_mon = Basic->Month - 1; // Month, 0 - jan
t.tm_mday = Basic->Day;
t.tm_hour = Basic->Hour;
t.tm_min = Basic->Minute;
t.tm_sec = Basic->Second;
t.tm_isdst = 0; // Is DST on? 1 = yes, 0 = no, -1 = unknown
t_of_day = mkgmtime(&t);
newpoint.unix_timestamp = t_of_day;
newpoint.flying = Calculated->Flying;
newpoint.latitude = Basic->Latitude;
newpoint.longitude = Basic->Longitude;
newpoint.alt = Calculated->NavAltitude;
newpoint.ground_speed = Basic->Speed;
newpoint.course_over_ground = Calculated->Heading;
_t_points.push_back(newpoint);
SetEvent(_hNewDataEvent);
}
