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240 Commits

Author SHA1 Message Date
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
Andrew Tridgell f3fc910abe AP_NavEKF3: continuously update gpsGoodToAlign 
use it to determine how to handle a height datum reset
 2019-07-07 19:20:32 +10:00
Andrew Tridgell b9a5794671 AP_NavEKF3: 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
Andrew Tridgell 2208689893 AP_NavEKF3: don't use disabled gyros in opticalflow takeoff detection 2019-07-07 19:03:01 +10:00
Andrew Tridgell 209bca162c AP_NavEKF3: added inactive bias learning 
this allows for biases on inactive IMUs to be learned so that an IMU
switch within an EKF lane does not cause a jump in the IMU data
 2019-07-07 19:03:01 +10:00
Peter Barker ce45baa034 AP_NavEKF3: factor out and logging functions, reuse for 2nd core 2019-07-06 19:05:51 +10:00
Peter Barker f3f364de26 AP_NavEKF3: move logging in from AP_Logger 2019-07-06 19:05:51 +10:00
Andrew Tridgell 5151416080 AP_NavEKF3: force first EKF lane when disarmed 
this ensures we consistently fly with EKF lane1 if it is healthy at
the point we arm. Otherwise the choice of lane will be a lottery.

This is important as many systems have quite different filtering and
vibration characteristics on their different IMUs. We by default
enable fast sampling only on the first IMU for example, which means
the 2nd and 3rd IMUs are more vulnerable to high freq causing
aliasing.
 2019-07-04 06:48:23 +10:00
Peter Barker ef2589738d AP_NavEKF3: use beacon singleton 2019-07-01 07:20:58 +09:00
Michael du Breuil b624f6f008 AP_NavEKF3: Reduce scope of AP_Baro.h 2019-06-27 14:56:21 +10:00
Michael du Breuil be74b631fe AP_NavEKF3: Fix AP_GPS.h include 2019-06-18 10:02:05 +10:00
Andrew Tridgell 60831c2878 AP_NavEKF3: added checkLaneSwitch() 
this allows the vehicle code to ask the EKF to change lanes if it is
about to do an EKF failsafe
 2019-06-12 09:52:20 +10:00
Peter Barker dce472745e AP_NavEKF3: take EAS2TAS from AHRS rather than airspeed 2019-06-06 12:44:36 +10:00
Jaaaky f21e4d833c AP_NavEKF3: Fix GPS < 3D empty PreArm: msg-as EKF2 2019-05-20 16:57:57 +10:00
Randy Mackay 0a5d6a430a AP_NavEKF3: accept optical flow data at up to 50hz 2019-05-11 16:23:57 +09:00
Andrew Tridgell e4f6ffe719 AP_NavEKF3: fixed bug in EKF lane selection 
this fixes an issue in selecting the best lane to change to when we
have 3 or more EKF cores. The bug is that if the current lane is
unhealthy it would always choose the last healthy lane instead of
choosing the lane with the lowest score
 2019-05-07 06:59:50 +10:00
Michael du Breuil fe3b29a088 AP_NavEKF3: Allow checking all cores for health 2019-04-09 10:53:25 +10:00
Pierre Kancir b3a1c9c90c AP_NavEKF3: use get_distance_NE instead of location_diff 2019-04-08 08:00:52 -07:00
Paul Riseborough 9aaa0cd2e0 AP_NavEKF3: Fix typo in comment 2019-04-02 10:51:12 +11:00
Paul Riseborough b7e0a2345c AP_NavEKF3: Fix indexing error 
Caused by copy and paste from AP_NavEKF2 which useds index 5 for vertical velocity. EKF3  should use index 6.
 2019-04-02 10:51:12 +11:00
Paul Riseborough 0d3e1a7d23 AP_NavEKF3: flow use parameter improvements 2019-04-02 10:51:12 +11:00
Paul Riseborough d3e9281846 AP_NavEKF3: Update default plane optical flow param values 
Reduce time required to form estimate of terrain offset
 2019-04-02 10:51:12 +11:00
Paul Riseborough 35c82ef67f AP_NavEKF3: Improve optical flow height estimation 2019-04-02 10:51:12 +11:00
Paul Riseborough b848e231c7 AP_NavEKF3: Add parameter to control how optical flow data is used 2019-04-02 10:51:12 +11:00
Mark Whitehorn 3c432cf25c AP_NavEKF3: add getQuaternionBodyToNED 2019-03-29 10:58:00 +11:00
Tom Pittenger 17ee20af3f AP_NavEKF3: rename dataflash to logger 2019-03-28 16:40:57 +11:00
Dr.-Ing. Amilcar do Carmo Lucas 390e0fa601 AP_NavEKF3: replace location_offset() and get_distance() function calls with Location object member function calls 
This allows removing duplicated code
 2019-02-28 11:44:09 +11:00
Arjun Vinod f382a657bd AP_NavEKF3: fixed typos 2019-02-26 08:33:39 +11:00
Tom Pittenger 55377b234f AP_NavEKF3: remove HAL_CPU_CLASS_150 check, 150 is already a minimum requirement 2019-02-17 13:00:00 -08:00
Tom Pittenger 8a6a39b590 AP_NavEKF3: unify singleton naming to _singleton and get_singleton() 2019-02-10 19:09:58 -07:00
Andrew Tridgell 39ffef1f08 AP_NavEKF3: fixed EKF compass switching 
when we had 3 compasses the lack of the 'break' meant when we switched
compass in flight we would always switch back instantly to the one
that we had just rejected.
 2019-02-09 13:04:52 +11:00
Peter Barker 6fc76a32af GLOBAL: use AP::logger() and strip redundant Log_ from methods 2019-01-18 18:08:20 +11:00
Peter Barker b47733142f GLOBAL: rename DataFlash_Class to AP_Logger 2019-01-18 18:08:20 +11:00
Peter Barker 0d4475f443 AP_NavEKF3: adjust for Location_Class and Location unification 2019-01-16 11:45:29 +11:00
Peter Barker dd8da7321c AP_NavEKF3: adjust for location flags being moved out of union 2019-01-16 11:45:29 +11:00
Randy Mackay c616587b86 AP_NavEKF: increase ABIAS_P_NSE param doc range to 0.005 2018-12-27 14:09:53 +09:00
Pierre Kancir 340429fbbb AP_NavEKF3: pass by const reference when needed 2018-12-20 09:05:01 +09:00
Michael du Breuil 25ef5fed82 AP_NavEKF3: Suppress clearing non-trival type warning 2018-10-30 16:17:03 -07:00
Andrew Tridgell de58fb4637 AP_NavEKF3: support in-flight compass learning 2018-10-24 07:25:42 +10:00
Peter Barker 560f17a570 AP_NavEKF3: use union to alias array and struct access to states 
This avoids creating two pointers of different types to the same memory.

Having two pointers to the same memory can lead to the compiler
optimising code such that a write to one pointer is rearranged to be
either before or after a read from the other pointer depending on
which is deemed faster - not a good outcome.
 2018-10-19 08:46:43 +11:00
Peter Barker 27e3a89158 AP_NavEKF3: correct compilation when running MATH_CHECK_INDEXES 2018-10-19 08:46:43 +11:00
Peter Barker 281fad53c2 AP_NavEKF3: always set EKF control limits, even with no cores 2018-10-09 10:47:38 +11:00
Peter Barker b68a91d171 AP_NavEKF3: remove default clause in setAidingMode 
All aiding modes should be covered in the switch statement; adding the
default clause squelches a potentially useful compiler warning
 2018-10-03 17:49:43 +01:00
Michael du Breuil 1991f223ac AP_NavEKF3: Fix roundoff, and missing offset handling of getLLH 2018-09-21 00:18:49 +01:00
Peter Barker be9235a581 AP_NavEKF3: fix writeOptFlowMeas signature 
const some of the vectors, stop taking references to scalars that aren't
being changed
 2018-09-11 09:03:22 +10:00
Randy Mackay 3d72022f6e EKF: modify ALT_SOURCE param description 
We regularly find users changing the ALT_SOURCE to 1 (range finder) when trying to implement terrain following which is not the correct way to do it
 2018-07-18 08:31:09 +09:00
Andrew Tridgell ac40a20c02 AP_NavEKF3: fill in gps_quality_good flag 2018-07-14 17:49:52 +10:00
Peter Barker 6bf5ffdb6d AP_NavEKF3: use compass singleton for logging 2018-07-04 20:11:27 +01:00
murata 4d5e258b19 AP_NavEKF3: Delete unused definitions 2018-06-11 09:11:44 +09:00
murata f0a6cd5846 AP_NavEKF3: Clarify the message 2018-06-04 11:32:15 +09:00
Andrew Tridgell 553abda91c AP_NavEKF3: use single precision ceilf() 2018-05-07 11:43:23 +10:00
Andrew Tridgell 4869dd0ae4 AP_NavEKF3: send airspeed variance over mavlink 2018-04-30 15:41:32 +10:00
Peter Barker 901ba0034c AP_NavEKF3: do not pass GPS into Log_Write_GPS; it uses singleton 2018-04-18 13:50:55 +09:00
Peter Barker a0d874baa2 AP_NavEKF3: const accessors 2018-04-07 09:56:18 +09:00
Peter Barker 6791808ac6 AP_NavEKF3: remove unneeded initialisations 
AP_NavEKF3 should never be allocated in uninitialised memory
 2018-04-07 09:54:21 +09:00
Peter Barker d38ff1dd2c AP_NavEKF3: initialise EKF3 constants in declaration not constructor 2018-04-07 09:54:21 +09:00
Pierre Kancir 2b2c1e2d78 AP_NavEKF3: only use bcn EKF is the alignement as been completed 2018-04-03 09:55:13 +09:00
Pierre Kancir 44a21bc8ac EKF3: correct acos to acosf 2018-04-03 09:54:45 +09:00
Pierre Kancir 48c5a9b9c5 AP_NavEKF3: style change in BCN mesurements 2018-04-03 09:54:43 +09:00
Pierre Kancir 4d2f2a2aad AP_NavEKF3: correct flag in case of GPS disable 2018-04-03 09:54:41 +09:00
priseborough 5785523a0d AP_NavEKF3: Clarify definition for gps_glitching flag 2018-03-27 20:28:56 +09:00
Peter Barker 55b8a2288e AP_NavEKF3: use ins singleton 2018-03-16 00:37:35 -07:00
Peter Barker 7b1a906c4e AP_NavEKF3: use baro singleton 2018-03-08 21:20:05 -08:00
Paul Riseborough 6a1055389d AP_NavEKF3: Fix origin height estimator indexing bug 
EKF3 should use index 9 to access vertical position states
 2018-02-21 17:04:30 +10:00
Tatsuya Yamaguchi aef9fa4a63 AP_NavEKF3: delete \n from the log using gcs().send_text 2018-02-02 09:13:54 +09:00
murata 6a87840c7a AP_NavEKF3: Change the if statement to a switch statement. 2018-01-28 22:20:08 +00:00
bugobliterator ea2a880d8a AP_NavEKF3: allocate from MEM_FAST region 2018-01-15 11:46:02 +11:00
Peter Barker 5dc714bf5f AP_NavEKF3: use GPS singleton 2017-12-27 00:58:02 +00:00
Pierre Kancir be96a27fa8 AP_NavEKF3: only report terrain estimator innovations with valid rng value 2017-12-18 22:51:46 +00:00
Andrew Tridgell c13eaf0c7f AP_NavEKF3: removed create() method for objects 
See discussion here:

  https://github.com/ArduPilot/ardupilot/issues/7331

we were getting some uninitialised variables. While it only showed up in
AP_SbusOut, it means we can't be sure it won't happen on other objects,
so safest to remove the approach

Thanks to assistance from Lucas, Peter and Francisco
 2017-12-14 08:12:28 +11:00
Andrew Tridgell 6b30c9213a AP_NavEKF3: delay startup until IMU buffer is filled 
this prevents a vulnerability where the initial IMU data is processed
26 times (where 26 is the IMU buffer length)
 2017-12-12 11:39:38 +11:00
Andrew Tridgell 2c6593e35e AP_NavEKF3: fixed inverted function setInhibitGpsVertVelUse() 2017-11-29 09:47:14 +09:00
priseborough c96bc54254 AP_NavEKF3: correctly use wheel odometry speed for pitched rovers 2017-10-31 08:11:05 +09:00
priseborough ee6b43aabf AP_NavEKF3: Fix bugs in use of wheel encoder data 
Found by pavloblindnology
 2017-10-28 10:58:01 +09:00
Lucas De Marchi bd6145af6d AP_NavEKF3: add static create method 2017-09-26 03:01:21 +01:00
Peter Barker 63440800fc AP_NavEKF3: use rangefinder backend accessors 2017-08-15 18:30:45 +01:00
priseborough 2310cb6d19 AP_NavEKF3: Enable external control over use of GPS vertical velocity 2017-08-10 19:49:45 +10:00
Michael du Breuil efe70c8d3a AP_NavEKF3: Fix possible compass nullptr dereference 2017-08-01 15:25:05 +01:00
priseborough db7c8439c6 AP_NavEKF3: Fix bug in wheel odometry timestamp correction 2017-07-28 12:48:38 +09:00
priseborough c7f6d52065 AP_NavEKF3: Add wheel encoder odometry 
Uses the existing body frame odometry observation model.
Handles each sensored wheel as a separate sensor.
 2017-07-27 16:52:27 +09:00
priseborough cbe8f97489 AP_NavEKF3: rename struct used for velocity odometry observations 
Do this so we can add other odometry observation types.
 2017-07-27 16:52:26 +09:00
priseborough 08a3f55c90 AP_NavEKF3: Fix error in scaling of observation error 2017-07-27 16:52:25 +09:00
priseborough 593437ca95 AP_NavEKF3: Add tuning of visual odometry observation error 
Also adjust default values based on replay analysis.
 2017-07-27 16:52:25 +09:00
priseborough 58d58b4eac AP_NavEKF3: Initialise EKF origin height to field elevation 
Enables copters to set bit position 2 in the EK3_OGN_HGT_MASK parameter without having a large jump in reported local position height.
 2017-07-17 02:22:02 +01:00
priseborough 0827b13feb AP_NavEKF3: Fix default behaviour for height origin corrections 
Previous default was to apply in-flight height origin changes to local position instead of to reported origin height. This caused problems with copters that took off before getting GPS lock.
 2017-07-17 02:22:02 +01:00
Peter Barker 93e09c51d3 AP_NavEKF3: eliminate GCS_MAVLINK::send_statustext_all 2017-07-11 23:53:53 +01:00
Randy Mackay d64b2fcbf0 AP_NavEKF3: final mag reset at 2.5m 2017-07-08 08:39:43 +09:00
priseborough 9d0fa09d39 AP_NavEKF3: Fix calculation of predicted LOS rate in terrain estimator 2017-06-26 14:58:06 +01:00