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156 Commits

Author SHA1 Message Date
Paul Riseborough
c0d88e2673 AP_NavEKF3: Fix vertical velocity reset 
Fixes bug that prevents the vertical velocity being reset to the GPS if the position aiding has already timed out and improves sensitivity of the bad IMU data check.
 2021-09-23 18:55:28 +10:00
Josh Henderson
3006d50f97 AP_NavEKF3: use vector.xy().length() instead of norm(x,y) 2021-09-14 10:43:46 +10:00
Randy Mackay
85ade10e85 AP_NavEKF3: ofDataNew made local 2021-08-24 16:49:04 +09:00
Randy Mackay
5779ebd177 AP_NavEKF3: remove unused Tbn_flow 2021-08-24 16:49:04 +09:00
Pierre Kancir
8216905f47 AP_NavEKF3: remove unecessary assignements 2021-08-12 10:39:49 +09:00
Peter Barker
c34284b6eb AP_NavEKF3: stop using AHRS as conduit for Compass pointer 2021-07-30 12:19:42 +10:00
Paul Riseborough
0088b0f3fe AP_NavEKF3: Revert EK3_BETA_MASK parameter extension 
These are not required due to use of bit 7 in FLIGHT_OPTIONS to achieve the same function.
 2021-07-22 18:20:45 +10:00
Paul Riseborough
59d31cc7d5 AP_NavEKF3: Rework non-airspeed wind estimation 
Faster wind estimation when not using airspeed with acceptable noise in wind velocity estimates.
 2021-07-22 18:20:45 +10:00
Andrew Tridgell
fc2118f42b AP_NavEKF3: process GPS yaw independently of GPS fix 
this processes GPS yaw with its own timestamp and as a separated step
from fusing position and velocity. This makes the yaw time handling
more accurate as yaw for moving baseline GPS comes in as a separate
piece of data from the position and velocity
 2021-07-21 17:59:49 +10:00
Andrew Tridgell
0b9cde5812 AP_NavEKF3: fixed indentation in readGpsData() 2021-07-21 17:59:49 +10:00
Andrew Tridgell
6b73c2151a AP_NavEKF3: implement moving origin 
this shifts EKF_origin to the current location at 1Hz, while leaving
public_origin alone. All output APIs and logging are relative to
public_origin.

The effect of this change is to remove the distortion caused by a
spherical earth, which allows the EKF to operate without errors at
very long distances from the public_origin.
 2021-07-14 17:34:40 +10:00
Andrew Tridgell
a8c6d742aa AP_NavEKF3: update earth field at 1Hz 
this prevents large mag errors on long distance flights
 2021-07-10 07:20:41 +10:00
Andrew Tridgell
885e518741 AP_NavEKF3: allow for double EKF build 2021-07-10 07:20:41 +10:00
Josh Henderson
64dc3bbe41 AP_NavEKF3: Fix #17789 core's ekf origin altitude different if flying 2021-06-22 12:01:10 +10:00
Josh Henderson
0ae3730f11 AP_NavEKF3: non_GPS modes ensure EKF origin set only once and stays in sync 
ekf3
 2021-06-22 12:01:10 +10:00
Paul Riseborough
76d0dcc25c AP_NavEKF3: Use common method for handling baro ground effect 2021-06-02 11:13:16 +09:00
Andrew Tridgell
dc9435a88d AP_NavEKF3: don't limit baro change when we are in fixed wing mode 2021-06-02 11:13:16 +09:00
Peter Barker
c00f110f3d AP_NavEKF3: use DAL APIs for takeoff/touchdown expected 2021-06-02 11:13:16 +09:00
Paul Riseborough
53c4b163ce AP_NavEKF3: Allow adjustment of on ground not moving test sensitivity 
Also re-tune default sensitivity based on user supplied logs with noisy gyro data.
 2021-03-23 10:05:59 +11:00
Peter Barker
4605870788 AP_NavEKF3: remove separate calls to get delta-times for vel and ang 2021-03-13 11:29:29 +11:00
Paul Riseborough
3634a942a1 AP_NavEKF3: Fix bug causing unwanted use of default airspeed 2021-03-05 12:10:01 +11:00
Paul Riseborough
9a5a264aa0 AP_NavEKF3: Improve wind estimation without airspeed sensing 
Enable default airspeed variance to be specified externally
Improve control of sideslip fusion
Don't modify non wind states unnecessarily when using synthesised air data measurements
 2021-03-05 12:10:01 +11:00
Andrew Tridgell
ddc4d08e8f AP_NavEKF3: make drag fusion optional 2021-01-24 11:56:52 +11:00
Andrew Tridgell
1ccda938cb AP_NavEKF3: make external navigation optional 2021-01-24 11:56:52 +11:00
Andrew Tridgell
8da511f039 AP_NavEKF3: make body odomotry build depend on vehicle type 
saves about 11k of flash
 2021-01-24 11:56:52 +11:00
Randy Mackay
27c998ad94 AP_NavEKF3: rename source and yawFusionMethod from EXTERNAL to GPS 2021-01-05 10:58:06 +11:00
Randy Mackay
c14b4a8b6c AP_NavEKF3: add support for GSF as yaw source 2021-01-05 10:58:06 +11:00
Randy Mackay
5891c6ace8 AP_NavEKF3: separate GPS yaw from ExtNav yaw 2021-01-05 10:58:06 +11:00
Paul Riseborough
a9e76d44af AP_NavEKF3: Clean up yaw fusion logic 2020-12-15 19:29:16 +11:00
Paul Riseborough
bdc202378a AP_NavEKF3: fix white space 2020-12-11 15:21:41 +11:00
Paul Riseborough
4884476c09 AP_NavEKF3: Formatting and comment fixes 2020-12-11 15:21:41 +11:00
Andrew Tridgell
be4d10a95e AP_NavEKF3: rework parameter handling 
and fixed indentation
 2020-12-11 15:21:41 +11:00
Paul Riseborough
c9ab4b18b0 AP_NavEKF3: Add multicopter wind estimation 2020-12-11 15:21:41 +11:00
Andrew Tridgell
2071a19a40 AP_NavEKF3: only fuse airspeed if healthy 2020-12-11 09:59:49 +11:00
chobits
013b39d2a6 AP_NavEKF3: fix ext nav vel timestamp cal 2020-12-07 08:54:42 +09:00
Andrew Tridgell
bdba430e55 AP_NavEKF3: save memory on beacon debug structure 
only allocate when beacons are enabled. This relies on a guarantee in
the DAL that the beacon count cannot change
 2020-12-01 10:53:08 +11:00
Peter Barker
2d25149e2e AP_NavEKF3: move global state to be on the stack 2020-12-01 10:40:09 +11:00
Andrew Tridgell
d242339f2e AP_NavEKF3: added have_vz flag to GPS buffer data 
this ensures that we record GPS vertical velocity status for every
sample correctly
 2020-12-01 10:33:50 +11:00
Andrew Tridgell
80f7906744 AP_NavEKF3: removed inhibitGps and inhibitGpsVertVel options 
these were unused
 2020-12-01 10:33:50 +11:00
Peter Barker
52b8b95a72 AP_NavEKF3: rearrange readGPSData to remove some nesting 2020-11-30 11:51:12 +11:00
Peter Barker
e1a033b296 AP_NavEKF3: make logging a core concern 
Also dissolve some methods only used for logging
 2020-11-22 20:47:29 +11:00
Andrew Tridgell
1e4b1d7563 AP_NavEKF3: convert to using common buffer classes 
this saves a considerable amount of flash
 2020-11-20 21:56:32 +11:00
Randy Mackay
33b6212cce AP_NavEKF3: rename _sources to sources 2020-11-20 16:43:44 +09:00
Randy Mackay
6daaa06317 AP_NavEKF3: integrate AP_NavEKF_Source::useVelXYSource 
also integrate useVelZSource
 2020-11-20 16:43:44 +09:00
Randy Mackay
faed58a027 AP_NavEKF3: integrate Source for yaw 2020-11-20 16:43:44 +09:00
Randy Mackay
8931e50166 AP_NavEKF3: integrate Source for alt 2020-11-20 16:43:44 +09:00
Randy Mackay
c21d58ebea AP_NavEKF3: integrate Source for position 2020-11-20 16:43:44 +09:00
Andrew Tridgell
c14d19be68 AP_NavEKF3: fixed gcc 9.3 build error 
gcc 9.3 doesn't like the use of get_accel(i) when array length is 1
 2020-11-13 14:30:11 +11:00
Andrew Tridgell
f5275fd0ad AP_NavEKF3: fixed use of pointers in ringbuffers 
these don't work with AP_DAL
 2020-11-10 16:15:45 +11:00
Andrew Tridgell
9b81c5a1e0 AP_NavEKF3: use dal reference in EKF backends 
saves a bit of flash space
 2020-11-10 16:15:45 +11:00