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700 Commits

Author SHA1 Message Date
Andrew Tridgell 3a4095fc7f AP_NavEKF2: use common structure names 2020-11-17 13:45:07 +11:00
Paul Riseborough 248ef92ed7 AP_NavEKF2: Add velocity innovation check to use of EKF-GSF yaw 
Only apply to non fly forward vehicle, eg copters, because magnitude of velocity innovation produced by plane launches is TBD.
 2020-11-16 16:01:13 +11:00
Paul Riseborough e5e8d0ba3c AP_NavEKF2: Don't update yaw estimator with bad GPS 2020-11-16 16:01:13 +11:00
Andrew Tridgell a2f4b16cdc AP_NavEKF2: fixed logged core for GSF messages 2020-11-16 10:28:43 +11:00
Andrew Tridgell 01cd678244 AP_NavEKF2: fixed memory corruption on push before init 
this fixes a bug that happens with VISION_SPEED_ESTIMATE from a
companion computer, which may come in before the EKF buffers are
allocated. That causes a push to an uninitialised ringbuffer which
triggers memory corruption

found using the new memory guard system
 2020-11-15 15:42:48 +11:00
Andrew Tridgell 7099bb6096 AP_NavEKF2: 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 5b41d5541f AP_NavEKF2: removed use of another lanes gyro in optflow takeoff detection 
as discussed with Paul
 2020-11-10 16:15:45 +11:00
Andrew Tridgell 7d7031d3d7 AP_NavEKF2: added const (review request) 2020-11-10 16:15:45 +11:00
Andrew Tridgell 16f7e51ea5 AP_NavEKF2: fixed use of pointers in ringbuffers 
these don't work with AP_DAL
 2020-11-10 16:15:45 +11:00
Andrew Tridgell 246a441883 AP_NavEKF2: cope with INS_MAX_INSTANCES below 3 2020-11-10 16:15:45 +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 bec095d661 AP_NavEKF2: support replay with external navigation data 2020-11-10 16:15:45 +11:00
Andrew Tridgell 224792b8b8 AP_NavEKF2: added optflow support for AP_DAL 2020-11-10 16:15:45 +11:00
Andrew Tridgell 90a8c5cb1a AP_NavEKF2: use ekf_low_time_remaining for core scheduling 2020-11-10 16:15:45 +11:00
Andrew Tridgell f3c3778169 prevent duplicate EKF logging 
vehicle code sometimes tries to log the same data twice
 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 84c92b717f AP_NavEKF2: make coreBetterScore const 2020-11-03 10:39:35 +11:00
Randy Mackay fccc1fcb72 AP_NavEKF2: minor comment fix 2020-10-28 12:17:22 +09:00
Andrew Tridgell dc32f7a12f AP_NavEKF2: fixed multi-core yaw reset 
thanks to Alex Burka for finding this
 2020-10-24 19:35:30 +11:00
Peter Barker 0496ecc4f6 AP_NavEKF2: remove unused state variables 2020-10-22 08:47:08 +11:00
Peter Barker 53305ba2a4 AP_NavEKF2: remove unused quat2Tbn method 2020-10-20 11:40:54 +11:00
Peter Barker 312cf725aa AP_NavEKF2: remove dangling method declarations 2020-10-20 11:40:54 +11:00
Peter Barker c90265f94d AP_NavEKF2: fix includes 2020-10-20 11:40:54 +11:00
Peter Barker 80f9ef7ed1 AP_NavEKF2: remove unused innovationIncrement and lastInnovation 2020-10-20 11:24:34 +11:00
Randy Mackay b2d4622320 AP_NavEKF2: replace prearm_healthy with pre_arm_check 2020-10-07 11:53:07 +11:00
Andrew Tridgell 35e95d3328 AP_NavEKF2: reset body mag variances at key points 
reset on sensor switch or when changing to 3D fusion
 2020-09-20 09:25:57 +10:00
Andrew Tridgell 534e63e2fa AP_NavEKF2: fixed init of earth state mag variances 
we were starting with zero variance for X and Y earth states, it
should start with sq(magNoise)
 2020-09-20 09:25:57 +10:00
Andrew Tridgell d6dcbda0d3 AP_NavEKF2: removed duplicate compass switch check 
left over from last set of changes
 2020-09-20 09:25:57 +10:00
Andrew Tridgell 067001bd61 AP_NavEKF2: take into account alignment when comparing cores 
ensure we don't switch to a lane that does not have yaw or tilt
alignment from a lane that is aligned
 2020-09-14 20:29:04 +10:00
Paul Riseborough da7bb44a61 AP_NavEKF2: Consolidate magnetometer timeout checks 2020-09-08 11:01:14 +10:00
Andrew Tridgell 6b9e595602 AP_NavEKF2: fixed handling of failed compass 
when a compass goes unhealthy due to sensor failure we should try
another compass after 10s if another compass is available
 2020-09-08 11:01:14 +10:00
Andrew Tridgell 6ee527d3e0 AP_NavEKF2: fixed segfault when IMU mask covers more IMUs than GSF mask 2020-08-28 10:17:00 +10:00
Harshit Kumar Sankhla 56cbcb42ee AP_NavEKF2: Add core relative error and errorscore logging in NKF3 packet 
TODO : Port lane switching logic from EKF3 to make use of these terms
Since both share the same NKF3 log structure, needed to do this.
Just log 0 as of.
 2020-08-27 20:20:51 +10:00
Andrew Tridgell 83e5639225 AP_NavEKF2: apply min GPS accuracy at measurement point 
this fixes an issue a RTK GPS gives 1cm horizontal and vertical
accuracy and that causes the variances to get too small
 2020-08-21 07:40:13 +10:00
Peter Barker 032b7c81e5 AP_NavEKF2: correct includes 2020-08-07 19:20:07 +10:00
Andy Piper e39e24bd18 AP_NavEKF2: INS get_sample_rate() renamed to get_loop_rate_hz() 2020-07-10 16:45:29 +10:00
Paul Riseborough 25cba50f10 AP_NavEKF3: Fix EK2_MAG_CAL parameter description 2020-07-07 15:33:58 +10:00
Paul Riseborough ea4589ea94 AP_NavEKF2: Reset yaw estimator bias states at start of flight 
Enables yaw bias to be learned when sitting stationary on ground.
 2020-07-07 15:33:58 +10:00
Paul Riseborough b6d9b6f3c7 AP_NavEKF2: Update documentation for non-compass use case 
Instruction now explicitly specifies that all COMPASS_USE parameters must be set to 0 and COMPASS_ENABLE must be set to 1
 2020-07-07 15:33:58 +10:00
Paul Riseborough ccaa4d6aa9 AP_NavEKF2: Fix one frame delay in processing yaw estimator velocity data 2020-07-07 15:33:58 +10:00
Peter Barker 081c0bbfe0 AP_NavEKF2: correct comments on getFilterFaults and getFilterTimeouts methods 2020-07-07 10:50:41 +10:00
Paul Riseborough 9507a2e157 AP_NavEKF2: Fix parameter description 2020-06-24 21:16:50 +09:00
Randy Mackay a8c2be26ba AP_NavEKF2: remove unused terrainHgtStableSet_ms 2020-06-24 21:16:50 +09:00
Paul Riseborough 502b96f49c AP_NavEKF2: Clarify intended use of setTerrainHgtStable accessor 2020-06-24 21:16:50 +09:00
Dr.-Ing. Amilcar do Carmo Lucas 83dc46d539 AP_NavEKF2: fix vertical flyaways when rangefinder stops providing data 2020-06-24 21:16:50 +09:00
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
Pierre Kancir 9bbd2b19c2 AP_NavEKF2: add --debug-ekf to debug the EKF 2020-06-20 19:59:05 +10:00
Randy Mackay 989ffb79cd AP_NavEKF2: minor format fix 2020-06-19 13:46:52 +09:00
Randy Mackay 966d59a26d AP_NavEKF2: protect against ExtNav being NaN 2020-06-19 13:46:52 +09:00
chobits f5f403947c AP_NavEKF2: clarify POSNE_M_NSE desc 2020-06-09 20:44:57 +09:00
chobits e64c92b322 AP_NavEKF2: use err info from ext nav interface 2020-06-09 13:31:21 +09:00
Randy Mackay 6c10655059 AP_NavEKF2: accept extnav at up to 50hz 2020-06-09 09:42:14 +10:00
Peter Barker b02d9abd32 AP_NavEKF2: avoid compiler warnings from -Wclass-memaccess 
../../libraries/AP_NavEKF2/AP_NavEKF2_core.cpp: In member function ‘void NavEKF2_core::InitialiseVariables()’:
../../libraries/AP_NavEKF2/AP_NavEKF2_core.cpp:343:50: warning: ‘void* memset(void*, int, size_t)’ clearing an object of non-trivial type ‘struct NavEKF2_core::ext_nav_vel_elements’; use assignment or value-initialization instead [-Wclass-memaccess]
  343 |     memset(&extNavVelNew, 0, sizeof(extNavVelNew));
      |                                                  ^
In file included from ../../libraries/AP_NavEKF2/AP_NavEKF2_core.cpp:4:
../../libraries/AP_NavEKF2/AP_NavEKF2_core.h:518:12: note: ‘struct NavEKF2_core::ext_nav_vel_elements’ declared here
  518 |     struct ext_nav_vel_elements {
      |            ^~~~~~~~~~~~~~~~~~~~
../../libraries/AP_NavEKF2/AP_NavEKF2_core.cpp:344:58: warning: ‘void* memset(void*, int, size_t)’ clearing an object of non-trivial type ‘struct NavEKF2_core::ext_nav_vel_elements’; use assignment or value-initialization instead [-Wclass-memaccess]
  344 |     memset(&extNavVelDelayed, 0, sizeof(extNavVelDelayed));
      |                                                          ^
In file included from ../../libraries/AP_NavEKF2/AP_NavEKF2_core.cpp:4:
../../libraries/AP_NavEKF2/AP_NavEKF2_core.h:518:12: note: ‘struct NavEKF2_core::ext_nav_vel_elements’ declared here
  518 |     struct ext_nav_vel_elements {
      |            ^~~~~~~~~~~~~~~~~~~~
 2020-06-05 08:42:45 +10:00
chobits dee095b4a4 AP_NavEKF2: support VISION_SPEED_ESTIMATE 2020-06-01 17:51:24 +09:00
Peter Barker 19dc07250d AP_NavEKF2: clarify yaw reset error message 
The current wording can be taken to indicate that the mag sensors
stopped, causing this issue.
 2020-05-26 10:05:35 +10:00
Paul Riseborough af19fea268 AP_NavEKF2: Fix 3-axis mag fusion per axis error handling 
Ensure that if fusion checks for an axis fails, fusion will not be perfomred for all axes.
 2020-05-20 15:09:32 +10:00
Andy Piper 9f02b1b1a8 AP_NavEKF2: fix typo in comment 
Signed-off-by: Dr.-Ing. Amilcar do Carmo Lucas <amilcar.lucas@iav.de>
 2020-05-20 07:29:31 +09:00
Randy Mackay f26a2a47b4 AP_NavEKF2: writeExtNavData accepts delay 2020-05-15 10:07:52 +09:00
Paul Riseborough c94de61e29 AP_NavEKF2: Don't perform emergency yaw reset unless commanded externally 
This limits the use of the reset to situations where it is a last ditch resort before a lane switch and failsafe.
This will limit false positives for general deployment, but still provide protection from fly-aways at the cost of some increase in reaction time.
 2020-05-14 10:40:48 +10:00
chobits a7aa43f5d5 AP_NavEKF2: ext nav will not reset yaw if compass is used 2020-05-14 08:04:55 +09:00
Randy Mackay b95bc9076b AP_NavEKF2: fix getLLH when no GPS 2020-05-10 15:35:55 +10:00
Andrew Tridgell c9ffe8dcea AP_NavEKF2: use set_enable() to set enable flag 2020-04-29 07:36:55 +10:00
Paul Riseborough e1f27054d5 AP_NavEKF2: Don't use geomag data when user specifies declination 2020-04-28 11:42:31 +09:00
Randy Mackay 90db3d6317 AP_NavEKF2: minor comment fix 2020-04-27 19:15:43 +09:00
Randy Mackay 2919491298 AP_NavEKF2: getLLH fix when no GPS available 2020-04-24 20:29:18 +09:00
Randy Mackay 6e93f54cff AP_NavEKF2: handle external nav position resets 2020-04-24 18:16:52 +09:00
Randy Mackay 990313371d AP_NavEKF2: minor comment fixes 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
Randy Mackay 014c889ceb AP_NavEKF2: setAidingMode uses lastExtNavPassTime_ms 2020-04-24 18:16:52 +09:00
Randy Mackay 3b20623a31 AP_NavEKF2: remove unused ext nav elements 2020-04-24 18:16:52 +09:00
Peter Barker 7dfc285f2a AP_NavEKF2: remove incorrect units from yaw esimtator LoggerMessage 2020-04-24 18:08:14 +10:00
Andrew Tridgell d8c533e7ab AP_NavEKF2: added missing log documentation for field C 2020-04-24 09:43:23 +10:00
Paul Riseborough 8f1b732d79 AP_NavEKF2: Add documentation for GSF logging 2020-04-24 09:43:23 +10:00
Paul Riseborough 49e4c799d3 AP_NavEKF2: Use unique names for EKF2 logging 2020-04-24 09:43:23 +10:00
Randy Mackay 4d7e7a960a AP_NavEKF2: more white space fixes 2020-04-24 09:43:23 +10:00
Randy Mackay 0fb233ed4b AP_NavEKF2: minor comment fixes 2020-04-24 09:43:23 +10:00
Randy Mackay a9cbd5aa29 AP_NavEKF2: getDataEKFGSF and getYawData pass by reference 2020-04-24 09:43:23 +10:00
Randy Mackay d61c517e76 AP_NavEKF2: minor format fix 2020-04-24 09:43:23 +10:00
Randy Mackay 91ef87064a AP_NavEKF2: rename GSF_RUN_MASK, GSF_USE_MASK, GSF_RST_MAX 2020-04-24 09:43:23 +10:00
Paul Riseborough abc821ad36 AP_NavEKF2: Split GSF yaw estimator processing 
Separate prediction and correction steps are required to provide an up to date yaw estimate using IMU prediction before it may be required by SelectMagFusion() whilst still doing the velocity update after GPS data haw been pulled from the buffer by SelectVelPosFusion()
 2020-04-24 09:43:23 +10:00
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
Andrew Tridgell 6c3889b04f AP_NavEKF2: fixed typos 2020-04-24 09:43:23 +10:00
Andrew Tridgell 3edbe81b1e AP_NavEKF2: removed 2nd set of imuSampleTime_ms 2020-04-24 09:43:23 +10:00
Paul Riseborough 6952d83f00 AP_NavEKF2: Fix casting build error 2020-04-24 09:43:23 +10:00
Paul Riseborough 0d965d2a1c AP_NavEKF2: Fix timer wrapping bugs 
Also replaces tab characters
 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
Peter Barker f1fc05d357 AP_NavEKF2: rename APMrover2 to Rover 2020-04-14 09:50:34 +09:00
Randy Mackay 8749f30c64 AP_NavEKF2: external nav pos offsets from AP_VisualOdom library 2020-04-14 10:28:03 +10:00
Randy Mackay fb7e68c53a AP_NavEKF2: writeExtNavData reset handles system time wrap 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 c9755cf9e6 AP_NavEKF2: make mag variance reporting consistent 
logged scaled variance should match the value used in MAVLink
EKF_STATUS_REPORT
 2020-04-06 17:30:29 +10:00
Peter Barker 903d81c263 AP_NavEKF2: use compass reference rather than repeatedly asking AHRS for it 2020-03-13 08:26:18 +11:00
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
Siddharth Purohit 4cca1c307c AP_NavEKF2: Primary compass is always at serial number 0 2020-02-19 13:59:53 +09:00