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14232 Commits

Author SHA1 Message Date
priseborough 34249ffa42 Copter : EKF optical flow fusion support preliminary changes 
Assumes optflow sensor has been modified to push data at a low rate, eg 10Hz
and velocity data is angular velocity, not linear velocity
 2014-12-06 18:16:44 +11:00
Randy Mackay 8b80e58861 Copter: enable OPTFLOW - do not merge to master 2014-12-06 18:16:44 +11:00
Randy Mackay 9d5c27ca83 PX4: start px4flow driver 2014-12-06 18:16:43 +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
priseborough 60527a023a Copter : Update optical flow test for new PX4Flow interface 2014-12-06 18:16:43 +11:00
priseborough 0d7555b259 Copter : Remove legacy optical flow control mode 
This mode is not compatible with the new PX4Flow interface
 2014-12-06 18:16:43 +11:00
priseborough 900519b35b Copter : Remove legacy optical flow control mode 
This mode is not compatible with the new PX4Flow interface
 2014-12-06 18:16:43 +11:00
priseborough 23953b459e Copter : Update logging for new PX4Flow sensor interface 2014-12-06 18:16:43 +11:00
priseborough 20e715aa13 Copter : Remove ADNS3080 flow sensor support 2014-12-06 18:16:43 +11:00
priseborough 5ef2208017 Copter: Change flow sensor read sample rate to 10Hz 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
Randy Mackay 7be78621f4 Copter: run_nav_updates at 50hz on Pixhawk, 25hz on APM2 
Based on work by Jon Challinger (see earlier commit)
 2014-12-05 14:01:16 +09:00
Jonathan Challinger 203b713f0d Copter: run_nav_updates at 100hz on pixhawk 2014-12-05 14:01:14 +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 722ce0628a PX4: enable ccache on windows build 2014-12-04 08:12:47 +11:00
Andrew Tridgell 7f383facac Plane: re-enable CLI on non-APM1/APM2 boards 2014-12-03 20:14:26 +11:00
Andrew Tridgell c05a0bc67f Plane: prevent a change altitude command from causing a sudden descent 
when a change altitude command comes in while a large glide slope
altitude change is present we could end up using the old glide slope
with the new altitude. This resets the altitude offset, causing a
direct altitude change
 2014-12-03 18:31:23 +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
Andrew Tridgell a0f69e06a7 Plane: prevent baro reset from OVERRIDE_CHAN 
using OVERRIDE_CHAN would cause a baro reset as it would mean we are
temporarily disarmed, and the "reset baro and GPS when disarmed" check
would reset the baro

Now we only do the mixer update if disarmed
 2014-11-29 19:55:25 +11:00
Andrew Tridgell c299f721b1 Plane: fixed sense of landing sink rate calculation 
thanks to BretC for reporting
 2014-11-29 07:48:07 +11:00
Andrew Tridgell d1fb137651 Plane: mark development version 3.2.1alpha 2014-11-29 06:59:47 +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 a9defa3508 autotest: build some examples for px4-v2 2014-11-28 18:15:30 +11:00
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