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3688 Commits

Author SHA1 Message Date
Andrew Tridgell b833190abb Quaternion: make the quaternion test more generic 
works with DCM too
 2012-03-10 10:34:33 +11:00
Andrew Tridgell 2f9af05cfa Quaternion: update to get_gyro_drift() interface 2012-03-10 10:34:33 +11:00
Andrew Tridgell bf16b2926c Quaternion: removed some unused variables 2012-03-10 10:34:33 +11:00
Andrew Tridgell d75e883fe8 GCS: get_integrator() is now get_gyro_drift() in DCM 2012-03-10 10:34:33 +11:00
Andrew Tridgell 3b2609c441 DCM: separate out the omega_yaw_P from omega_P 
this cleans up the separation of drift rates and proportional
correction from yaw source and accelerometers, allow the yaw
to run at a different rate to the accel correction
 2012-03-10 10:34:33 +11:00
Andrew Tridgell bcb7196680 IMU: added get_gyro_drift_rate() interface 
this just calls down to the InertialSensor layer
 2012-03-10 10:34:33 +11:00
Andrew Tridgell 9296ac494d AP_InertialSensor: added a get_gyro_drift_rate() interface 
this returns the expected max drift rate for the particular type of
gyro being used
 2012-03-10 10:34:33 +11:00
Andrew Tridgell 882fa1818b DCM: removed the limit on linear acceleration 
we get linear accelerations of more than 1g when turning corners
 2012-03-10 10:34:33 +11:00
Andrew Tridgell 9a06d35772 make 'ENABLE' and 'ENABLED' mean the same things 
users get this wrong far too often!
 2012-03-10 10:34:33 +11:00
Andrew Tridgell 801a442ffb Quaternion: minor tuning 2012-03-10 10:34:33 +11:00
Andrew Tridgell 3344869285 DCM: minor tuning based on testing my quad 2012-03-10 10:34:33 +11:00
Andrew Tridgell dffb435aac SITL: make the yaw match the APM conventions 2012-03-10 10:34:33 +11:00
Andrew Tridgell 2673614f6d SITL: fixed the pwm output on startup 2012-03-10 10:34:33 +11:00
Andrew Tridgell 982712d58f Quaternion: code cleanups and added comments 2012-03-10 10:34:32 +11:00
Andrew Tridgell f405477875 DCM: code cleanup and added more comments 2012-03-10 10:34:32 +11:00
Andrew Tridgell 9dc08b30cd Quaternion: bumb up gyro drift limit to match DCM 2012-03-10 10:34:32 +11:00
Andrew Tridgell 828ad7625b ACM: removed the ADC filtering code 2012-03-10 10:34:32 +11:00
Andrew Tridgell f9394f8068 ADC: removed the ADC level accel smoothing 
the quaternion code does a better job of handling this noise than this
filter does
 2012-03-10 10:34:32 +11:00
Andrew Tridgell 8b40c44522 Quaternion: separate out drift correction from main updates 2012-03-10 10:34:32 +11:00
Andrew Tridgell 3e960f8ef9 InertionSensor: update for new Ch6() interface 2012-03-10 10:34:32 +11:00
Andrew Tridgell 919874f2a0 IMU: fixed a warning 2012-03-10 10:34:32 +11:00
Andrew Tridgell 4dff78b9c0 GPS: expose last_fix_time 2012-03-10 10:34:32 +11:00
Andrew Tridgell 6eff9107ea Compass: change last_update to be in microseconds 2012-03-10 10:34:32 +11:00
Andrew Tridgell a0a360f955 ADC: use floats for ADC averaging 
this costs almost nothing and improved accel/gyro calibration
 2012-03-10 10:34:32 +11:00
Andrew Tridgell 13d5839778 APM: removed quaternion special cases 2012-03-10 10:34:32 +11:00
Andrew Tridgell 371677610d APM: avoid fetching the DCM matrix twice 
also no special case for quaternions
 2012-03-10 10:34:32 +11:00
Andrew Tridgell 1016d3c95d ACM: removed quaternion special cases in CLI code 2012-03-10 10:34:31 +11:00
Andrew Tridgell 8393c0299b ACM: removed the DCM tuning overrides 
not needed now that DCM scales with deltat
 2012-03-10 10:34:31 +11:00
Andrew Tridgell 7291dfc25a ACM: removed the special case for quaternions in GCS code 2012-03-10 10:34:31 +11:00
Andrew Tridgell d6cfc51ae4 ACM: no need to fetch offsets at startup 
AP_Param handles this
 2012-03-10 10:34:31 +11:00
Andrew Tridgell ef771fecdc ACM: removed a lot of the special case code for quaternions 2012-03-10 10:34:31 +11:00
Andrew Tridgell 69c29d35ce ACM: change DCM loop to 100Hz 
On my APM2 quad this seems to give better results
 2012-03-10 10:34:31 +11:00
Andrew Tridgell 045b49c4c4 DCM: removed update_DCM_fast 
this combines the functionality of the 'fast' DCM with the normal one,
and also speeds up both the yaw drift correction and the matrix update
code
 2012-03-10 10:34:31 +11:00
Andrew Tridgell 321200ebbc AP_IMU: fixed led flashing in gyro cal 
thanks Pat!
 2012-03-10 10:34:31 +11:00
Andrew Tridgell a92fb67b70 AP_Math: expanded the math test suite 2012-03-10 10:34:31 +11:00
Andrew Tridgell 4d65cda0ea AP_Math: added quaternion->matrix and earth frame routines 
this will be used for 3d acceleration
 2012-03-10 10:34:31 +11:00
Andrew Tridgell 8abbbe5713 AP_Math: better way of handling safe_sqrt() 
better to test the result, than predict it
 2012-03-10 10:34:31 +11:00
Andrew Tridgell ccada2e9c2 SITL: avoid parent pid code on cygwin 
this causes problems on windows
 2012-03-10 10:34:31 +11:00
Andrew Tridgell 3666476bcb SITL: prevent nested timer interrupts 2012-03-10 10:34:31 +11:00
Andrew Tridgell 3b7d78cf02 Quat: test patch for michael 2012-03-10 10:34:31 +11:00
Andrew Tridgell f363f81869 Quaternion: added NaN paranoid checking 
this is for Michael to run
 2012-03-10 10:34:30 +11:00
Andrew Tridgell 2596acc8eb ACM: removed incorrect mode definition 2012-03-10 10:34:30 +11:00
Andrew Tridgell 1ec4c0777c Math: added comment on quaternion constructor 2012-03-10 10:34:30 +11:00
Andrew Tridgell f5e6dc0757 Math: added is_inf() on vector3f 2012-03-10 10:34:30 +11:00
Andrew Tridgell 066a513758 Quaternion: added more numerical safety in the quaternion code 
prevent infinities from creeping in and prevent large drift changes
 2012-03-10 10:34:30 +11:00
Andrew Tridgell c7d5f06b21 AP_Math: added quaternion helper functions and a test suite 2012-03-10 10:34:30 +11:00
Andrew Tridgell f70dfe440d Quaternion: fix the gyro bias in centripetal and remove smoothing 
the centripetal code needs to take account of the current gyro
bias.

It turned out that the accel and gyro smoothing was causing
significant control lag, and we're better off just letting the
quaternion code handle it via its own smoothing parameters
 2012-03-10 10:34:30 +11:00
Andrew Tridgell 47ddd4dfdd SITL: disable interrupts during register updates 
this may prevent bogus mode channel reads
 2012-03-10 10:34:30 +11:00
Andrew Tridgell 7256652de5 Quaternion: use GPS to correct for linear acceleration 
this gives much better pitch estimates. We should do this with the
airspeed sensor if available.
 2012-03-10 10:34:30 +11:00
Andrew Tridgell c7ef72cf28 Quaternion: don't update if we have a very long deltat 
this can be caused by stopping the system in a debugger
 2012-03-10 10:34:30 +11:00