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227 Commits

Author SHA1 Message Date
Andrew Tridgell 772438f3ed AP_NavEKF3: 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
Siddharth Purohit 545331024f AP_NavEKF3: Primary compass is always at serial number 0 2020-02-19 13:59:53 +09:00
Peter Hall 47e3fda8e9 AP_NavEKF3: add initalized flag and change to uint32_t 2020-02-19 06:45:07 +11:00
Peter Barker e289020332 AP_NavEKF3: stop taking ahrs in constructor 2020-01-21 11:53:18 +11:00
Peter Hall dd75609599 AP_NavEKF3: get_time_flying in vehicle 2020-01-14 22:34:37 -07:00
Peter Barker 03cca68c5a AP_NavEKF3: use instance number when logging rather than multiple message IDs 2019-12-17 12:22:07 +11:00
Peter Barker 9ed37e4486 AP_NavEKF3: make send_status_report const 2019-12-11 07:54:41 +09:00
Peter Barker 4431d01230 AP_NavEKF3: stop relying on the presence of a RangeFinder 2019-12-11 08:09:01 +11:00
Peter Barker b055eb8889 AP_NavEKF3: use instance # when logging EKF core timings 2019-12-06 12:52:03 +09:00
Andrew Tridgell c6aad9b1ec AP_NavEKF3: don't use WMM tables unless we have a compass scale factor set 2019-12-03 20:48:23 +11:00
Peter Barker fe8599d6d7 AP_NavEKF3: adjust for renaming of RangeFinder files 2019-11-12 07:14:37 +08:00
Peter Barker 11b372a986 AP_NavEKF3: use enum-class for RangeFinder Status 2019-11-09 08:01:53 +11:00
Randy Mackay f24afbcf4b AP_NavEKF3: initialise pre-arm failure message 2019-10-31 09:51:27 +08:00
Mark Whitehorn 3e21ef1389 AP_NavEKF3: add prearm failure message for null core pointer 2019-10-29 11:59:29 +08:00
Randy Mackay b4a8691a9e AP_NavEKF3: remove wheel encoder update limit 2019-10-22 07:15:48 +08:00
Randy Mackay 63309c6925 AP_NavEKF3: suppress ekf fail-to-set-origin if core disabled 2019-10-22 07:15:48 +08:00
Jaaaky 54f8e1137e AP_NavEKF3: added EK3_MAG_EF_LIM parameter 
Adapted from EKF2 implementation as of commits
3835d2613, e9ed3540f and df4fc0fff
this sets a limit on the difference between the earth field from the
WMM tables and the learned earth field inside the EKF. Setting it to
zero disables the feature. A positive value sets the limit in mGauss.
 2019-10-20 07:34:35 +11:00
Randy Mackay 5baed38266 AP_NavEKF3: reduce EK3_HRT_FILT max to 30 2019-10-18 11:15:25 +09:00
Paul Riseborough 5b1d9ed868 AP_NavEKF3: Add missing vertical position derivative calculation 2019-10-18 11:15:25 +09:00
Andrew Tridgell c2067d5bc2 AP_NavEKF3: set a min yaw accuracy from GPS of 5 degrees 
GPS modules tend to be rather optimistic about their yaw accuracy. By
setting a min or 5 degrees we prevent the user constantly getting
warnings about yaw innovations
 2019-10-15 11:06:11 +11:00
Andrew Tridgell 3995db49a4 AP_NavEKF3: 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 0e3a27f74f AP_NavEKF3: change optimisation from -O3 to -O2 2019-09-28 08:57:26 +10:00
Andrew Tridgell 96c6544997 AP_NavEKF3: moved intermediate variables to common memory 
this moves intermediate variables from being per-core to being common
between cores. This saves memory on systems with more than one core by
avoiding allocating this memory on every core.

This is an alternative to #11717 which moves memory onto the stack. It
doesn't save as much memory as #11717, but avoids creating large stack
frames
 2019-09-24 12:51:54 +10:00
Andrew Tridgell 05d62c62bb AP_NavEKF3: fixed use of uninitialised variable in EKF3 mag fusion 
not all elements of H_MAG are initialised, but they are used, as found
by valgrind
 2019-09-22 21:06:36 +10:00
Andrew Tridgell c6f43e9700 AP_NavEKF3: fixed use of old irqsave() API 2019-09-21 15:36:47 +10:00
Peter Barker 1c187d8feb AP_NavEKF3: correct return of empty prearm string 2019-09-19 08:47:47 +09:00
Andrew Tridgell fae2e44eac AP_NavEKF3: reset inhibitMagStates on in-flight yaw reset 
this is needed to prevent the next ConstrainVariances() from zeroing
the variances, which leads to very slow learning of mag states
 2019-09-11 14:22:18 +10:00
Randy Mackay 0e1a2efb7c EKF3: RNG_USE_HGT param only used when ALT_SOURCE = rangefinder 2019-09-10 18:44:52 +10:00
Michael du Breuil 9a7d64e8fc AP_NavEKF3: Allow the GPS to be responsible for logging 2019-09-10 09:09:17 +10:00
Peter Barker 7ea449076f AP_NavEKF3: use timing logging from AP_NavEKF 2019-09-03 09:28:37 +10:00
Peter Barker 61ed6e07eb AP_NavEKF3: shorten EKF3 initialisation send-text string 
Now:
pbarker@bluebottle:~/rc/ardupilot(master)$ echo -n "EKF3 IMU1 buffers IMU=11 OBS=4 OF=10, dt=0.0120" | wc
      0       7      47
pbarker@bluebottle:~/rc/ardupilot(master)$

Closes #11952
 2019-08-05 19:50:32 +10:00
Andrew Tridgell fc65e04ef2 AP_NavEKF3: 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 04944fa6ce AP_NavEKF3: review fixes 
thanks Paul!
 2019-07-29 10:08:22 +10:00
Andrew Tridgell 451fe840ee AP_NavEKF3: ensure that EKF origin stays in sync on all cores 
this prevents the EKF origin on different cores from being initialised
to different values. A common value is stored in the frontend and used
by a core if it doesn't have an origin
 2019-07-29 10:08:22 +10:00
Andrew Tridgell 0fcb2037e1 AP_NavEKF3: use origin lat for earth rates 
home may not yet be set when this code is run, so using home may be
invalid
 2019-07-29 10:08:22 +10:00
Andrew Tridgell a3411efdb5 AP_NavEKF3: set origin on all cores 
when EKF origin is set, make sure it is set on all cores
 2019-07-29 10:08:22 +10:00
Andrew Tridgell 3818d8ecda AP_NavEKF3: restrict setting of EKF origin 
only allow EKF origin to be set if EKx_GPS_TYPE is set to 3, which is
used for indoor operation
 2019-07-29 10:08:22 +10:00
Siddharth Purohit db9f7c3dd5 AP_NavEKF3: do logging for 3rd EKF core 2019-07-23 12:34:38 +10:00
priseborough 209a32b8b9 AP_NavEKF3: Fix bug in use of external 321 yaw to align 2019-07-13 11:05:57 +10:00
priseborough 122f214416 AP_NavEKF3: Don't allow mag to interfere with use of external yaw sensor 2019-07-13 11:05:57 +10:00
Andrew Tridgell b56914b879 AP_NavEKF3: use GPS yaw if available and enabled 
this allows a suitable GPS to be used as an external yaw source
 2019-07-13 11:05:57 +10:00
priseborough 0c4f92d4c1 AP_NavEKF3: Add control logic to use external yaw sensor 2019-07-13 11:05:57 +10:00
priseborough 71d358803a AP_NavEKF3: Fix yaw sensor alignment status reporting 2019-07-13 11:05:57 +10:00
priseborough 977a7b68ed AP_NavEKF3: Add push to buffer for external yaw sensor data 2019-07-13 11:05:57 +10:00
priseborough 0a971c5181 AP_NavEKF3: Add function to reset yaw to external measurement 2019-07-13 11:05:57 +10:00
Andrew Tridgell 62575a194c AP_NavEKF3: Add data buffers for yaw sensor 2019-07-13 11:05:57 +10:00
priseborough 87c7649d09 AP_NavEKF3: Add interface for yaw angle measurements 2019-07-13 11:05:57 +10:00
Andrew Tridgell 634db441f8 AP_NavEKF3: origin handling fixes from Francisco 2019-07-11 06:40:55 +10:00
Andrew Tridgell 92783bccfa AP_NavEKF3: don't allow height datum reset when not on ground 2019-07-07 19:20:32 +10:00
Andrew Tridgell 3f9e48951b AP_NavEKF3: set terrainState to zero on height datum reset 2019-07-07 19:20:32 +10:00