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104 Commits

Author SHA1 Message Date
Andrew Tridgell 95a5a25909 AP_NavEKF2: fixed velocity reset on AID_NONE 
The ResetVelocity() function is only supposed to reset XY states, not
Z state. Resetting the Z state for velocity results in a large
velocity glitch if a vehicle is descending or ascending when aiding
switches to AID_NONE

this fixes #19386
 2023-06-26 18:09:31 +10:00
Josh Henderson d5f5a3024a AP_NavEKF2: use vector.xy().length() instead of norm(x,y) 2021-09-14 10:43:46 +10:00
Andrew Tridgell 6aca0bb08a AP_NavEKF2: allow for double EKF build 2021-07-10 07:20:41 +10:00
Andrew Tridgell ea6724aca5 AP_NavEKF2: don't limit baro change when we are in fixed wing mode 2021-06-02 11:13:16 +09:00
Andrew Tridgell 32b079911f AP_NavEKF2: use DAL APIs for takeoff/touchdown expected 2021-06-02 11:13:16 +09:00
murata a5b6ce9220 AP_NavEKF2: Change misnomer (NFC) 2021-03-19 17:49:27 +11:00
Peter Barker 3a98d51427 AP_NavEKF2: move posvel fusion health booleans to be on the stack 2020-12-01 10:40:09 +11:00
Andrew Tridgell 7313e9eb0f AP_NavEKF2: removed inhibitGps and inhibitGpsVertVel options 
these were unused
 2020-12-01 10:33:50 +11:00
Andrew Tridgell 79148498d3 AP_NavEKF2: don't reset EKx_GPS_TYPE when GPS has no vertical velocity 
setting the parameter to 1 causes the following issues:

 - the GPS may not have vertical velocity at the time the parameter
   set happens, but may get it later when the GPS is fully configured

 - we may switch between GPS modules which do/don't have vertical
   velocity

 - the user may download parameters after the set(1), and end up with
   incorrect parameters they may later load onto the vehicle,
   permanently disabling use of vertical velocity
 2020-12-01 10:33:50 +11:00
Andrew Tridgell 5f0e943f0f AP_NavEKF2: use dal reference in EKF backends 
saves a bit of flash space
 2020-11-10 16:15:45 +11:00
Andrew Tridgell 8591b31665 AP_NavEKF2: cleanup unused code 2020-11-10 16:15:45 +11:00
Andrew Tridgell 6be3d19e82 AP_NavEKF2: convert to use AP_DAL for new replay structure 
Co-authored-by: Peter Barker <pbarker@barker.dropbear.id.au>
 2020-11-10 16:15:45 +11:00
Peter Barker 032b7c81e5 AP_NavEKF2: correct includes 2020-08-07 19:20:07 +10:00
Dr.-Ing. Amilcar do Carmo Lucas 280d33d030 AP_NavEKF2: reduce duplicated code. 2020-06-24 21:16:50 +09:00
Paul Riseborough 11a0fef3d0 AP_NavEKF2: Fix indent 2020-06-24 21:16:50 +09:00
Paul Riseborough fc18ee91df AP_NavEKF2: Add missing fallback to baro for range beacon use case 2020-06-24 21:16:50 +09:00
Paul Riseborough d118c8fc38 AP_NavEKF2: Fix range aid switching logic 
Clarifies use of EK2_RANGE_USE_HGT and EK2_ALT_SOURCE parameters to control range finder use.
Setting EK2_RNG_USE_HGT to a positive number to enable automatic switching between the primary height source (baro or GPS) and range finder should be disabled if any primary height source other than Baro or GPS is selected via the EK2_ALT_SOURCE parameter.
 2020-06-24 21:16:50 +09:00
chobits dee095b4a4 AP_NavEKF2: support VISION_SPEED_ESTIMATE 2020-06-01 17:51:24 +09:00
Randy Mackay 6e93f54cff AP_NavEKF2: handle external nav position resets 2020-04-24 18:16:52 +09:00
Randy Mackay 43c9e13372 AP_NavEKF2: rename HGT_SOURCE_EV to HGT_SOURCE_EXTNAV 
presumably EV stands for ExternalVision but we normally refer to this source as External Nav
 2020-04-24 18:16:52 +09:00
Andrew Tridgell c83e2d7c0e AP_NavEKF2: fixed loss of GPS fusion 
we must not do a storedGPS.recall unless we will be using the data,
otherwise we will lose GPS samples and risk stopping GPS fusion
 2020-04-24 09:43:23 +10:00
Paul Riseborough de0040ad69 AP_NavEKF2: Enable use of EKF-GSF yaw estimate 
Enables the yaw to be reset in flight to a value estimated from a specialised yaw estimator. This allows faster recovery if taking off with a bad magnetometer and also allows yaw alignment and GPS use to commence in-air when operating without any yaw sensing.

AP_NavEKF2: Add missing accesor functions for default airspeed
 2020-04-24 09:43:23 +10:00
Randy Mackay 35dcb0d752 AP_NavEKF2: CorrectExtNavForSensorOffset made const 2020-04-21 10:21:23 +10:00
Randy Mackay 85704e4989 AP_NavEKF2: CorrectGPSForAntennaOffset made const 
also reduce scope of call to slightly reduce CPU load
 2020-04-21 10:21:23 +10:00
Randy Mackay 8749f30c64 AP_NavEKF2: external nav pos offsets from AP_VisualOdom library 2020-04-14 10:28:03 +10:00
Randy Mackay 9f81da1bf9 AP_NavEKF2: minor comment fix 2020-04-13 14:39:53 +09:00
Andrew Tridgell 9030590a88 AP_NavEKF2: fixed use of antenna position when switching GPS primary 
when GPS primary switches we were using a position which had not been
corrected for antenna offset. This was used for calculating the reset
for sensor change.

This fixes that (trivial fix) and also fixes a similar issue on
position reset
 2020-02-19 18:12:54 +11:00
Peter Barker 369292f7f3 AP_NavEKF2: stop relying on the presence of a RangeFinder 2019-12-11 08:09:01 +11:00
Peter Barker 99689f65f8 AP_NavEKF2: adjust for renaming of RangeFinder files 2019-11-12 07:14:37 +08:00
Paul Riseborough c26c6fd078 AP_NavEKF2: Add missing vertical position derivative calculation 
Use a third order order complementary filter to estimate the rate of change of vertical position output.
 2019-10-18 11:15:25 +09:00
Andrew Tridgell f7e138bddd AP_NavEKF2: use parent class for intermediate static variables 
this makes the code faster as well as using less memory when both EK2
and EK3 are enabled
 2019-10-01 15:39:03 +10:00
Andrew Tridgell 255981c60c AP_NavEKF2: moved some of the intermediate vars to the stack 
this keeps stack frames below 1k, while giving faster access to the
variables and saving more memory
 2019-09-24 12:51:54 +10:00
Randy Mackay 94a52b3525 EKF2: RNG_USE_HGT param only used when ALT_SOURCE = rangefinder 2019-09-10 18:44:52 +10:00
Andrew Tridgell 098701ec79 AP_NavEKF2: fixed baro innovation gate when on ground with AIDING_NONE 
when on the ground without a position source we would disable the
innovation gate for the barometer. This meant that a single (or small
number of) really bad baro readings would be fused into the EKF,
causing it to destabilise

Fixes #11903
 2019-07-30 08:23:21 +10:00
Andrew Tridgell 2427440e13 AP_NavEKF2: origin handling fixes from Francisco 2019-07-11 06:40:55 +10:00
Andrew Tridgell e8d9a1fae9 AP_NavEKF2: don't allow height datum reset when not on ground 2019-07-07 19:20:32 +10:00
Andrew Tridgell f5fd38aef2 AP_NavEKF2: set terrainState to zero on height datum reset 2019-07-07 19:20:32 +10:00
Andrew Tridgell 9372073f63 AP_NavEKF2: continuously update gpsGoodToAlign 
use it to determine how to handle a height datum reset
 2019-07-07 19:20:32 +10:00
Andrew Tridgell 20ebb2500b AP_NavEKF2: ensure that both AMSL and relative alt are correct after a reset 
this forces the EKF origin to the GPS alt on a height datum reset if
we have GPS lock. If we don't do this then the reported AMSL alt will
drift over time away from the GPS alt when we reset while on the
ground
 2019-07-07 19:20:32 +10:00
Michael du Breuil f04e47fc17 AP_NavEKF2: Reduce scope of AP_Baro.h 2019-06-27 14:56:21 +10:00
Michael du Breuil 892b687c09 AP_NavEKF2: Fix AP_GPS.h include 2019-06-18 10:02:05 +10:00
Arjun Vinod 78b165e36f AP_NavEKF2: fixed typos 2019-02-26 08:33:39 +11:00
Arjun Vinod a0e7c37f8c AP_NavEKF2: fixed typos 2019-02-22 10:21:35 +11:00
Tom Pittenger b32e8a4424 AP_NavEKF2: remove HAL_CPU_CLASS_150 check, 150 is already a minimum requirement 2019-02-17 12:59:52 -08:00
chobits 08b9bf4a89 AP_NavEKF2: fix extNav position noise 2018-10-24 19:14:54 +09:00
Paul Riseborough c680b931dc AP_NavEKF2: Enable fusion of external nav position data 2018-03-27 20:28:42 +09:00
Peter Barker 5ab89324b2 AP_NavEKF2: use baro singleton 2018-03-08 21:20:05 -08:00
Peter Barker 9c8466dc03 AP_NavEKF2: use GPS singleton 2017-12-27 00:58:02 +00:00
Peter Barker 1e83ef3c44 AP_NavEKF2: use rangefinder backend accessors 2017-08-15 18:30:45 +01:00
priseborough f2f3067326 AP_NavEKF2: Add interface to control GPS vertical velocity use 2017-08-10 19:49:45 +10:00