Commit Graph

3672 Commits

Author SHA1 Message Date
Andrew Tridgell a874f920d5 ACM: removed the ADC filtering code 2012-03-10 10:34:32 +11:00
Andrew Tridgell 2b6fae6e16 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 8ad6b5f4d1 Quaternion: separate out drift correction from main updates 2012-03-10 10:34:32 +11:00
Andrew Tridgell ff4f7ccc65 InertionSensor: update for new Ch6() interface 2012-03-10 10:34:32 +11:00
Andrew Tridgell d1976449fd IMU: fixed a warning 2012-03-10 10:34:32 +11:00
Andrew Tridgell e9f35bfa7f GPS: expose last_fix_time 2012-03-10 10:34:32 +11:00
Andrew Tridgell 17daa2f31c Compass: change last_update to be in microseconds 2012-03-10 10:34:32 +11:00
Andrew Tridgell 404a4e4896 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 d17a7e81e3 APM: removed quaternion special cases 2012-03-10 10:34:32 +11:00
Andrew Tridgell 3239a00b23 APM: avoid fetching the DCM matrix twice
also no special case for quaternions
2012-03-10 10:34:32 +11:00
Andrew Tridgell e2c525434a ACM: removed quaternion special cases in CLI code 2012-03-10 10:34:31 +11:00
Andrew Tridgell e870e7bd82 ACM: removed the DCM tuning overrides
not needed now that DCM scales with deltat
2012-03-10 10:34:31 +11:00
Andrew Tridgell 13bddf05b0 ACM: removed the special case for quaternions in GCS code 2012-03-10 10:34:31 +11:00
Andrew Tridgell 1547977e1b ACM: no need to fetch offsets at startup
AP_Param handles this
2012-03-10 10:34:31 +11:00
Andrew Tridgell 34d25ab298 ACM: removed a lot of the special case code for quaternions 2012-03-10 10:34:31 +11:00
Andrew Tridgell e780dd2b44 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 4c6afa36cb 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 2c279639a3 AP_IMU: fixed led flashing in gyro cal
thanks Pat!
2012-03-10 10:34:31 +11:00
Andrew Tridgell b39323bf1b AP_Math: expanded the math test suite 2012-03-10 10:34:31 +11:00
Andrew Tridgell a8fd31a5e1 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 d3dc5bd751 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 b273df0725 SITL: avoid parent pid code on cygwin
this causes problems on windows
2012-03-10 10:34:31 +11:00
Andrew Tridgell e1ff9a641b SITL: prevent nested timer interrupts 2012-03-10 10:34:31 +11:00
Andrew Tridgell d11aab610d Quat: test patch for michael 2012-03-10 10:34:31 +11:00
Andrew Tridgell a954f68f27 Quaternion: added NaN paranoid checking
this is for Michael to run
2012-03-10 10:34:30 +11:00
Andrew Tridgell 756a91a3ee ACM: removed incorrect mode definition 2012-03-10 10:34:30 +11:00
Andrew Tridgell d24b055b66 Math: added comment on quaternion constructor 2012-03-10 10:34:30 +11:00
Andrew Tridgell 1f5095e722 Math: added is_inf() on vector3f 2012-03-10 10:34:30 +11:00
Andrew Tridgell 89a10c584d 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 f2e6714598 AP_Math: added quaternion helper functions and a test suite 2012-03-10 10:34:30 +11:00
Andrew Tridgell f71311fdc0 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 76736792f8 SITL: disable interrupts during register updates
this may prevent bogus mode channel reads
2012-03-10 10:34:30 +11:00
Andrew Tridgell e445a455d0 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 1ea1b500a6 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
Andrew Tridgell 8b73166605 Compass: fixed last_update time for HIL compass 2012-03-10 10:34:30 +11:00
Andrew Tridgell 2969e16f7d RC: disable interrupts when reading the RC registers
this prevents getting bogus values which could cause a flight mode
change
2012-03-10 10:34:30 +11:00
Andrew Tridgell efe2686b33 GPS: added an acceleration estimate to the GPS driver
This uses the GPS ground speed to estimate acceleration
2012-03-10 10:34:30 +11:00
Andrew Tridgell 02ae5358d5 GPS: fixed some stdint types 2012-03-10 10:34:29 +11:00
Andrew Tridgell 2f5a4cdc4a Quaternion: added in reporting of gyro drift and rp/yaw errors 2012-03-10 10:34:29 +11:00
Andrew Tridgell 04826065ef Quaternion: show "Quaternion test" on startup if enabled 2012-03-10 10:34:29 +11:00
Andrew Tridgell 934a05bbc6 fixed comment 2012-03-10 10:34:29 +11:00
Andrew Tridgell a60cf111c5 DCM: fixed an uninitialised variable warning 2012-03-10 10:34:29 +11:00
Andrew Tridgell 7d9c4094a2 Quaternion: tweak the quaternion gains a bit 2012-03-10 10:34:29 +11:00
Andrew Tridgell e33bb217bc AP_IMU: improved the gyro calibration code
this should give a much more accurate result
2012-03-10 10:34:29 +11:00
Andrew Tridgell de1cfc8e34 Quaternion: drop the gyro drift rates down
this should allow us to cope with noise more readily
2012-03-10 10:34:29 +11:00
Andrew Tridgell 2d6680f144 DCM: fixed bug in accel averaging
sorry Randy!
2012-03-10 10:34:29 +11:00
Andrew Tridgell 73594199c8 AP_Quaternion: fixed build on Arduino 1.0 2012-03-10 10:34:29 +11:00
Andrew Tridgell 1591d41b33 ACM: make it possible to build ArduCopter with quaternions 2012-03-10 10:34:29 +11:00
Andrew Tridgell bc81d8e6ac ACM: only call the fast loop if the imu has new data
this prevents us spinning waiting for the sensors to gather some data
2012-03-10 10:34:29 +11:00
Andrew Tridgell aa4beb9753 APM: make it possible to build ArduPlane with quaternion support 2012-03-10 10:34:29 +11:00