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6477 Commits

Author SHA1 Message Date
priseborough
2dff76394d AC_PosControl: Add spike and noise filter to demanded angles 
This has been done to provide a smooth psotion hold when using an optical flow aided EKF which can be noisy.

Signed-off-by: priseborough <p_riseborough@live.com.au>
 2014-12-06 18:16:49 +11:00
priseborough
84944fdd4e AP_NAvEKF: Revert back to 10Hz fusion 2014-12-06 18:16:49 +11:00
priseborough
f4f0dfc45c AP_OpticalFlow: efficiency improvements to data processing 2014-12-06 18:16:49 +11:00
priseborough
1f78a73cdb AP_NavEKF: Make flow measurement delay vehicle specific 
This takes into account the inter-sampling delay between the flow driver and the APM software which depends on the rate at which the dirver is being checked. This is 50Hz for plane and rover, and 200Hz for Copter.
 2014-12-06 18:16:49 +11:00
priseborough
5f941655a8 AP_NavEKF: changes to support to 20Hz flow fusion rate 2014-12-06 18:16:48 +11:00
priseborough
0bf991eef9 AP_NavEKF: Fix bug in optical flow fusion smoothing 2014-12-06 18:16:48 +11:00
priseborough
7d27a22f77 DataFlash : Fix EKF optical flow logging bug 2014-12-06 18:16:48 +11:00
priseborough
7ec8dfebcf AP_OpticalFlow : Remove gyro scale factor user adjustable parameter 
No longer required because bug in flow sensor has been fixed.
 2014-12-06 18:16:48 +11:00
priseborough
2baa1e56ed Dataflash : Fix bug in EKF opt flow logging 2014-12-06 18:16:48 +11:00
priseborough
df59f3311a AP_OpticalFlow : Add gyro scale factor correction parameter 2014-12-06 18:16:48 +11:00
priseborough
eec49ce1dd AP_OpticalFlow : Add parameter for flow rate scale factor correction 2014-12-06 18:16:48 +11:00
priseborough
839b814d12 AP_NavEKF : Inhibit flow and range fusion in static mode 2014-12-06 18:16:47 +11:00
priseborough
9b9934ac06 AP_NavEKF : fix velocity timeout bug during optical flow operation 2014-12-06 18:16:47 +11:00
priseborough
cc8e6dbfad DataFlash : Add EKF additional fault and timeout logging 2014-12-06 18:16:47 +11:00
priseborough
517026980b AP_NavEKF : Add fault and timeout logging 2014-12-06 18:16:47 +11:00
priseborough
f640ec30ff AP_NavEKF : Reset held velocity on arming 
This held velocity is used to constrain the drift in the optical flow solution before the vehicle is high enough for the optical flow sensor to work.
 2014-12-06 18:16:47 +11:00
priseborough
4616721b0d DataFlash : Update EKF debug logging 2014-12-06 18:16:47 +11:00
priseborough
06c19a3a4d AP_NavEKF : Update optical flow debug logging 2014-12-06 18:16:47 +11:00
priseborough
1791dec622 AP_NavEKF : Fix velocity hold mode 2014-12-06 18:16:47 +11:00
priseborough
84421e0a35 AP_NavEKF : Adjust initial flow scale factor and limits 2014-12-06 18:16:47 +11:00
priseborough
573633daf7 AP_NavEKF : Fix incorrect use of flow sensor time-stamp 
flow sensor time stamp is now issued by the flow sensor and is on a different time-base
 2014-12-06 18:16:47 +11:00
priseborough
92e9336fe1 AP_OpticalFlow : prevent divide by zero 2014-12-06 18:16:47 +11:00
priseborough
9ea97c1a38 AP_NavEKF : Modify optical flow data interface 
Sign conventions have changed
 2014-12-06 18:16:46 +11:00
priseborough
8faeb190de AP_NavEKF : Rework logic to cope with bad flow data 2014-12-06 18:16:46 +11:00
priseborough
44e1695d5a AP_AHRS : Enable EKF start without GPS 2014-12-06 18:16:46 +11:00
priseborough
41f0231cfb AP_NavEKF : improve logic dealing with lack of flow or range data 2014-12-06 18:16:46 +11:00
priseborough
9ba46ad795 AP_NavEKF : Improve handling of flow sensor failure 2014-12-06 18:16:46 +11:00
priseborough
2ee1c549be AP_NavEKF : improve criteria used to inhibit scale factor estimation 2014-12-06 18:16:46 +11:00
priseborough
e09ff84218 AP_NavEKF : Don't estimate focal length scale factor without reliable velocity 2014-12-06 18:16:46 +11:00
priseborough
4c92a5f23f AP_NavEKF : Use GPS velocity if PX4Flow sensor fails 2014-12-06 18:16:46 +11:00
priseborough
283811edcb AP_NavEKF : stop velocity change when flow measurements drop out 2014-12-06 18:16:46 +11:00
priseborough
9132fcfe43 AP_NavEKF : Change mag fusion to use corrected compass values 
This enables compass units to be switched in-flight
 2014-12-06 18:16:46 +11:00
priseborough
c3be486c29 AP_NavEKF : Enable inhibiting of GPS measurements 2014-12-06 18:16:45 +11:00
priseborough
79698f7742 AP_NavEKF : improvements to range finder fusion 2014-12-06 18:16:45 +11:00
priseborough
1222559da0 AP_NavEKF : Fix bug affecting sonar fusion 2014-12-06 18:16:45 +11:00
priseborough
117bd2a998 AP_NavEKF : Add time based noise to terrain offset state 2014-12-06 18:16:45 +11:00
priseborough
b1d3d5d9a3 AP_NavEKF : Don't update focal length scale factor at low speeds 2014-12-06 18:16:45 +11:00
priseborough
8dd1081f54 AP_NavEKF : Add range measurement to EKF debug message 2014-12-06 18:16:45 +11:00
priseborough
f358d5e20f DataFlash : Add range measurement to EKF debug message 2014-12-06 18:16:45 +11:00
priseborough
744c72d40b AP_NavEKF : Updates to range finder fusion 2014-12-06 18:16:45 +11:00
priseborough
a07e402ebf DataFlash : Update names in EKF optical flow logging 2014-12-06 18:16:45 +11:00
priseborough
a20729f60f AP_NavEKF : Update names in optical flow debug logging 2014-12-06 18:16:45 +11:00
priseborough
235b3bebda AP_NavEKF : Add range finder health and enable range finder fusion 
The 2-state auxiliary filter is also renamed.
 2014-12-06 18:16:45 +11:00
priseborough
a4984a1e76 AP_AHRS : Add range finder health status to EKF optical flow data 2014-12-06 18:16:44 +11:00
priseborough
988de2a898 AP_NavEKF : Add smoothing to optical flow fusion 2014-12-06 18:16:44 +11:00
priseborough
70c779dbc2 AP_NavEKF : Optical flow numerical optimisations 2014-12-06 18:16:44 +11:00
priseborough
2a1420171a AP_NavEKF : reduce minimum accepted flow quality 2014-12-06 18:16:44 +11:00
priseborough
3fbedc9f98 AP_NAvEKF : update comments 2014-12-06 18:16:44 +11:00
priseborough
81b09c9361 AP_NavEKF : temporary mods to test use of flow sensor internal gyro data 2014-12-06 18:16:44 +11:00
priseborough
12b012a00e AP_AHRS : temporary mods to test use of flow sensor internal gyro data 2014-12-06 18:16:44 +11:00
priseborough
cd418c946c AP_NavEKF : preliminary implementation for optical flow and range finder fusion 
Range finder measurements are not input to EKF at this time, however the method for fusing them is
implemented.
 2014-12-06 18:16:44 +11:00
priseborough
bc74abcd00 DataFlash : EKF optical flow fusion support preliminary changes 2014-12-06 18:16:44 +11:00
priseborough
7b76fc29fb AP_AHRS : EKF optical flow fusion support preliminary changes 2014-12-06 18:16:44 +11:00
priseborough
13df6fb1c9 AP_NavEKF : Reduce ripple in estimates that can cause copter motor 'pulsing' 
This patch reduces the level of 5Hz and 10Hz 'pulsing' heard in motors due to GPS and altimeter fusion which cause a small 5Hz and 10Hz ripple on the output under some conditions. Attitude, velocity and position state corrections from GPS, altimeter and magnetometer measurements are applied incrementally in the interval from receiving the measurement to the predicted time of receipt of the next measurement. Averaging of attitude state corrections is not performed during periods of rapid rotation.

Time stamps are now explicitly initialised to the current IMU time to avoid unwanted activation of timeout logic on filter start and the various calls to the hal.scheduler->millis() object have been consolidated.

Unused variables have been removed
 2014-12-06 18:16:43 +11:00
priseborough
dcb252cc05 AP_NavEKF : Fix bug in reset of position and velocity states 
If the inertial solution velocity or position needs to be reset to the GPS, the stored state history for the corresponding states should also be reset.
Otherwise the next GPS measurement will be compared to an invalid previous state and will be rejected.
The position state should be reset to a GPS position corrected for velocity and measurement latency. This will make a noticeable difference for high speed flight vehicles, eg 11m at 50m/s
 2014-12-06 18:16:43 +11:00
priseborough
cb4d5986e0 AP_OpticalFlow : Update PX4Flow interface 
Interface now uses the integral of flow and body rates
 2014-12-06 18:16:43 +11:00
priseborough
0d774d301d AP_OpticalFlow : Remove support for ADNS3080 sensor 
It is not compatible with the new interface and data fusion requirements
 2014-12-06 18:16:43 +11:00
Randy Mackay
4452aa8448 AP_AHRS_DCM: compile error fix for low speed CPUs 
Also correct initialisatoin order to remove compiler warning
 2014-12-05 19:43:05 +09:00
Jonathan Challinger
bfe71fea82 AC_PosControl: Use blended accelerometer measurement in altitude control 2014-12-05 19:40:10 +09:00
Jonathan Challinger
9261dfdefb AP_AHRS_NavEKF: overload get_accel_ef and get_accel_ef_blended functions 2014-12-05 19:40:08 +09:00
Jonathan Challinger
4975cefd84 AP_AHRS_DCM: update _accel_ef_blended 2014-12-05 19:40:06 +09:00
Jonathan Challinger
033ee3c900 AP_AHRS: Add get_accel_ef_blended function 2014-12-05 19:40:04 +09:00
Jonathan Challinger
7692761f34 AP_NavEKF: Added getAccelNED function 2014-12-05 19:40:01 +09:00
priseborough
874d0780aa AP_NavEKF: Reduce vulnerability to ground fixed magnetic interference 
Re-initialisation of the magnetic field states and yaw angle is now only performed a maximum of two times after start-up.

Once when coming out of static modefor the first time (first arm event)
Again (for copter only) when the altitude gain above the arming altitude exceeds 1.5m

this prevents magnetic interference present at arming (eg arming on a metal roof)from corrupting the magnetic field states enough to cause bad heading errors and toilet bowling on copter
 2014-12-05 14:33:04 +11:00
Andrew Tridgell
ede920f293 AP_Mission: ensure location options are zero at start of mavlink conversion 2014-12-03 18:29:43 +11:00
Andrew Tridgell
f98e283091 GCS_MAVLink: re-generate with updated upstream mavlink 2014-12-03 10:08:36 +11:00
Andrew Tridgell
940966f3e3 DataFlash: fixed example sketch build 2014-12-03 08:39:36 +11:00
Andrew Tridgell
86bf02d64c RC_Channel: update example sketch to copy input to output 2014-12-02 16:27:33 +11:00
Andrew Tridgell
5aabfd4dc4 AP_HAL: added RCInput example sketch 2014-12-02 15:49:50 +11:00
Andrew Tridgell
8e36c1cd60 AP_HAL: fixed RCOutput example 2014-12-02 15:03:59 +11:00
Andrew Tridgell
4ec6a74829 AP_HAL: addex UART_test example sketch 2014-12-02 13:14:03 +11:00
Andrew Tridgell
9e0a7e6631 AP_HAL: fixed printf example build 2014-12-02 13:14:03 +11:00
Andrew Tridgell
c5e4e8f035 SITL: fixed SITL for example sketches 
cope with no SITL object
 2014-12-02 13:14:03 +11:00
Randy Mackay
9e731550fd AHRS: default EKF on for copter 2014-12-01 17:29:39 +09:00
priseborough
053c5054f3 AP_TECS: Change default landing damp gain to 0.5 2014-11-29 20:03:49 +11:00
priseborough
0912f05e7c AP_TECS: Add parameter to adjust height rate gain during flare 2014-11-29 20:03:41 +11:00
priseborough
11aefa6858 AP_TECS: Fix bug in parameter label 2014-11-29 20:03:37 +11:00
priseborough
bd97f15d06 AP_TECS: make flare height demand consistent with height rate demand 2014-11-29 20:03:34 +11:00
Holger Steinhaus
ebed80cd2a AP_GPS: work-around for invalid time reported by PX4 GPS 2014-11-28 13:30:21 +01:00
Holger Steinhaus
df7c4baed9 AP_GPS: check lock type before accepting position and speed information 2014-11-28 13:26:51 +01:00
Andrew Tridgell
38c1b622f3 AP_AHRS: fixed example build on APM2 2014-11-28 17:59:18 +11:00
Andrew Tridgell
48abfcede7 AP_Scheduler: added example sketch 2014-11-28 12:59:47 +11:00
Andrew Tridgell
89cdae62b4 AP_AHRS: fixed example build 2014-11-28 10:40:52 +11:00
Andrew Tridgell
e45522f51d AP_Baro: fixed example build 2014-11-28 10:40:43 +11:00
Andrew Tridgell
a686494127 AP_Compass: fixed example build 2014-11-28 10:40:34 +11:00
Andrew Tridgell
908ad46e8e AP_GPS: fixed example build 2014-11-28 10:40:26 +11:00
Andrew Tridgell
7bb56e50aa AP_InertialSensor: fixed example build 2014-11-28 10:40:19 +11:00
Andrew Tridgell
0811f9c175 AP_Notify: fixed example build 2014-11-27 17:27:56 +11:00
John Williams
d0e467aea0 AP_HAL_Linux: Bypass manual CS assertion for SPI_CS_KERNEL mode 
Missed from initial patch series

Signed-off-by: John Williams <john@whelanwilliams.net>
 2014-11-27 15:57:12 +11:00
Andrew Tridgell
eb22815668 AP_TECS: fixed range values 2014-11-26 19:02:51 +11:00
Staroselskii Georgii
d40011acf3 AP_Notify: added abstract Led and RGBLed classes 2014-11-26 11:16:27 +11:00
Mikhail Avkhimenia
955753f3f0 HAL_Linux: Optimize bandwidth for RCOutput_Navio 
40% less bytes in I2C transactions for PCA9685.
 2014-11-26 11:14:44 +11:00
Mikhail Avkhimenia
50459bdca0 HAL_Linux: Enable external clk for RCOutput_Navio 
That should fix PWM value drifts.
 2014-11-26 11:14:44 +11:00
Andrew Tridgell
d0087c91e9 DataFlash: prevent build errors on non-PX4 targets 2014-11-26 11:14:44 +11:00
Andrew Tridgell
1d0122e6c2 DataFlash: log each ESC separately 
this saves log space for ESCs that are not initialised (eg. only 3rd
ESC on fixed wing) and is a bit easier to deal with as a user
 2014-11-26 11:14:44 +11:00
Holger Steinhaus
294d944cbd DataFlash: added logging of ESC feedback (currently only available with UAVCAN ESCs) 2014-11-26 11:14:44 +11:00
Andrew Tridgell
4132b53541 HAL_PX4: publish actuator values for UAVCAN ESCs 
this publishes scaled actuator values so that the uavcan module can
drive ESCs
 2014-11-26 11:14:44 +11:00
Andrew Tridgell
e89d380b73 AP_HAL: added set_esc_scaling() RCOutput function 
this will be used to scale outputs for uavcan ESCs based on throttle
range
 2014-11-26 11:14:44 +11:00
Andrew Tridgell
22cb1c8525 HAL_Linux: tidy up SPI debugging a bit 2014-11-26 10:16:39 +11:00
John Williams
0fe3959d7e AP_HAL_Linux: Add support for in-kernel SPI CS handling 
Add support for /dev/spidev<bus>.<cs> in-kernel SPI CS handling, and convert
existing SPI devices over.

 * Add a new member _subdev to the LinuxSPIDeviceDriver class, and initialiser
   in LinuxSPIDevice constructor.  Use subdev 0 for GPIO-managed CS
 * Extend the _cs_pin to signed 16 bits and define SPI_CS_KERNEL (-1) for
   kernel-managed CS
 * Move to per-device file descriptors (required for in-kernel CS)
 * Extend spidev filenames to include bus and subdevice numbers, possibly
   longer than 1 digit each
 * Allow support for platforms enumerating /dev/spidevNNN from non-zero bases
 * Convert existing users over to the new API

Signed-off-by: John Williams <john@whelanwilliams.net>
 2014-11-26 09:55:09 +11:00