public double max_baro_speed;
public AltosGPS gps;
+ public int gps_sequence;
public AltosIMU imu;
public AltosMag mag;
npad = prev_state.npad;
ngps = prev_state.ngps;
gps = prev_state.gps;
+ gps_sequence = prev_state.gps_sequence;
pad_lat = prev_state.pad_lat;
pad_lon = prev_state.pad_lon;
pad_alt = prev_state.pad_alt;
/* compute barometric speed */
double height_change = height - prev_state.height;
+
+ double prev_baro_speed = prev_state.baro_speed;
+ if (prev_baro_speed == AltosRecord.MISSING)
+ prev_baro_speed = 0;
+
if (time_change > 0)
- baro_speed = (prev_state.baro_speed * 3 + (height_change / time_change)) / 4.0;
+ baro_speed = (prev_baro_speed * 3 + (height_change / time_change)) / 4.0;
else
baro_speed = prev_state.baro_speed;
+ double prev_accel_speed = prev_state.accel_speed;
+
+ if (prev_accel_speed == AltosRecord.MISSING)
+ prev_accel_speed = 0;
+
if (acceleration == AltosRecord.MISSING) {
/* Fill in mising acceleration value */
accel_speed = baro_speed;
- if (time_change > 0)
- acceleration = (accel_speed - prev_state.accel_speed) / time_change;
+
+ if (time_change > 0 && accel_speed != AltosRecord.MISSING)
+ acceleration = (accel_speed - prev_accel_speed) / time_change;
else
acceleration = prev_state.acceleration;
} else {
/* compute accelerometer speed */
- accel_speed = prev_state.accel_speed + acceleration * time_change;
+ accel_speed = prev_accel_speed + acceleration * time_change;
}
}
-
} else {
npad = 0;
ngps = 0;
gps = null;
+ gps_sequence = 0;
baro_speed = AltosRecord.MISSING;
accel_speed = AltosRecord.MISSING;
+ pad_alt = AltosRecord.MISSING;
max_baro_speed = 0;
max_accel_speed = 0;
max_height = 0;
time = tick / 100.0;
- if (cur.new_gps && (state < AltosLib.ao_flight_boost)) {
+ if (data.gps != null && data.gps_sequence != gps_sequence && (state < AltosLib.ao_flight_boost)) {
/* Track consecutive 'good' gps reports, waiting for 10 of them */
if (data.gps != null && data.gps.locked && data.gps.nsat >= 4)
pad_alt = ground_altitude;
}
- data.new_gps = false;
+ gps_sequence = data.gps_sequence;
gps_waiting = MIN_PAD_SAMPLES - npad;
if (gps_waiting < 0)
if (height != AltosRecord.MISSING && height > max_height)
max_height = height;
- if (data.gps != null) {
- if (gps == null || !gps.locked || data.gps.locked)
- gps = data.gps;
- if (ngps > 0 && gps.locked) {
- from_pad = new AltosGreatCircle(pad_lat, pad_lon, gps.lat, gps.lon);
- }
- }
elevation = 0;
range = -1;
- if (ngps > 0) {
- gps_height = gps.alt - pad_alt;
- if (from_pad != null) {
- elevation = Math.atan2(height, from_pad.distance) * 180 / Math.PI;
- range = Math.sqrt(height * height + from_pad.distance * from_pad.distance);
+ gps_height = 0;
+ if (data.gps != null) {
+ gps = data.gps;
+ if (ngps > 0 && gps.locked) {
+ double h = height;
+
+ if (h == AltosRecord.MISSING) h = 0;
+ from_pad = new AltosGreatCircle(pad_lat, pad_lon, 0, gps.lat, gps.lon, h);
+ elevation = from_pad.elevation;
+ range = from_pad.range;
+ gps_height = gps.alt - pad_alt;
}
- } else {
- gps_height = 0;
}
}