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496 Commits

Author SHA1 Message Date
Andrew Tridgell 567c902e75 AP_NavEKF2: 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 82df167ad4 AP_NavEKF2: use beacon singleton 2019-07-01 07:20:58 +09:00
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
Andrew Tridgell 3073c4da7a AP_NavEKF2: 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
Andrew Tridgell df4fc0fff0 AP_NavEKF2: default EK2_MAG_EF_LIM to 50 
this was supposed to be part of the original PR (agreed with Paul to
enable by default)
 2019-06-08 20:24:58 +10:00
Peter Barker 11f31c2851 AP_NavEKF2: take EAS2TAS from AHRS rather than airspeed 2019-06-06 12:44:36 +10:00
Andrew Tridgell e9ed3540f1 AP_NavEKF2: constrain field by table after fusion 
this should make for faster convergence
 2019-06-03 12:21:29 +10:00
Andrew Tridgell 3835d2613e AP_NavEKF2: added EK2_MAG_EF_LIM parameter 
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.
 2019-06-03 12:21:29 +10:00
Randy Mackay e19d638c0f AP_NavEKF2: support higher optical flow updates rates 2019-05-11 16:23:57 +09:00
Andrew Tridgell cc62998d40 AP_NavEKF2: 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 7f639c1bb2 AP_NavEKF2: Allow checking all cores for failure 2019-04-09 10:53:25 +10:00
Pierre Kancir 50e99b6e1a AP_NavEKF2: use get_distance_NE instead of location_diff 2019-04-08 08:00:52 -07:00
Pierre Kancir 3f5a6a243c AP_NavEKF2: use get_distance instead of location_diff 2019-04-08 08:00:52 -07:00
Paul Riseborough 8038efc152 AP_NavEKF2: Flow use parameter updates 2019-04-02 10:51:12 +11:00
Paul Riseborough e2148e7e2a AP_NavEKF2: 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 aa6eee82f4 AP_NavEKF2: Rework opt flow terrain height logic 2019-04-02 10:51:12 +11:00
Paul Riseborough 67d20f3b3c AP_NavEKF2: Update parameter description 2019-04-02 10:51:12 +11:00
Paul Riseborough 1862512c2b AP_NavEKF2: Use flow sensor for navigation with unknown platform type 
This is the more common use case.
 2019-04-02 10:51:12 +11:00
Paul Riseborough 921205f61c AP_NavEKF2: Minor amendments from review 2019-04-02 10:51:12 +11:00
Paul Riseborough a40208ebd4 AP_NavEKF2: Improve optical flow height estimation 
Updated derivation using sequential fusion of Y and X axis data.
 2019-04-02 10:51:12 +11:00
Paul Riseborough 2b8b53d6b2 AP_NavEKF2: Add parameter to control how optical flow flow data is used 2019-04-02 10:51:12 +11:00
Mark Whitehorn 6b70181837 AP_NavEKF2: add getQuaternionBodyToNED 2019-03-29 10:58:00 +11:00
Tom Pittenger 8506ae9c32 AP_NavEKF2: rename dataflash to logger 2019-03-28 16:40:57 +11:00
Dr.-Ing. Amilcar do Carmo Lucas 79ee52917f AP_NavEKF2: 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 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
Tom Pittenger 8a6a39b590 AP_NavEKF3: unify singleton naming to _singleton and get_singleton() 2019-02-10 19:09:58 -07:00
Andrew Tridgell ccc1f906f8 AP_NavEKF2: 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
chobits 3766ee1b60 AP_NavEKF2: add external navigation data lag 2019-01-31 08:30:22 +09:00
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 ebd12b30e8 AP_NavEKF2: adjust for Location_Class and Location unification 2019-01-16 11:45:29 +11:00
Peter Barker 9be604e3ce AP_NavEKF2: 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 49d20364cb AP_NavEKF2: pass quaternion by const reference 2018-12-20 09:05:01 +09:00
Andrew Tridgell 8ea7df3efe AP_NavEKF2: added filter reset if unhealthy for 5s and disarmed 2018-11-30 11:02:30 +11:00
Michael du Breuil 29db069c75 AP_NavEKF2: Suppress clearing non-trival type warning 2018-10-30 16:17:03 -07:00
chobitsfan 1e56ad4837 AP_NavEKF2: add external nav system to POSNE_M_NSE description 2018-10-24 19:14:54 +09:00
chobits 08b9bf4a89 AP_NavEKF2: fix extNav position noise 2018-10-24 19:14:54 +09:00
Andrew Tridgell 805647df85 AP_NavEKF2: enable use of in-flight compass learning 2018-10-24 07:25:42 +10:00
Peter Barker 1c1d651979 AP_NavEKF2: add space for null-termination 
This is simply to preserve existing behaviour when snprintf starts to
null-terminate strings
 2018-10-21 07:54:30 +11:00
Peter Barker 3a79ae4eca AP_NavEKF2: 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 fb176b544f AP_NavEKF2: correct compilation when running MATH_CHECK_INDEXES 2018-10-19 08:46:43 +11:00
Peter Barker 889190d46e AP_NavEKF2: always set EKF control limits, even with no cores 2018-10-09 10:47:38 +11:00
Peter Barker 3774aa6619 AP_NavEKF2: remove default clause in setAidingMode 
All values from the enumeration should be handled in this switch; adding
a default will hide a compiler warning which may be useful.
 2018-10-03 17:49:43 +01:00
Michael du Breuil 66e9286cf6 AP_NavEKF2: Fix roundoff, and missing offset handling of getLLH 2018-09-21 00:18:49 +01:00
Peter Barker d8aa8d2b71 AP_NavEKF2: 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
Michael du Breuil ee9cc28fda AP_NavEKF2: Utilize the GPS drivers estimate for lag 2018-08-07 09:55:26 +10:00