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14 Commits

Author SHA1 Message Date
Jason Short f89da12387 Minimized the accel_filtered vector to be faster and more accurate. 
Made the Filter include the Accels and moved from 8 to 4 terms in the filter
 2011-09-30 18:40:29 -07:00
Andrew Tridgell 9af7021a98 change ADC sample rate to 1kHz 
this costs us about 9% of our CPU, but should make aliasing much less
of a problem.
 2011-09-17 14:58:02 +10:00
Andrew Tridgell 8b3d9400e5 IMU: re-work the IMU library to take advantage of the ADC Ch6() call 
This changes the IMU code to read 6 synchronised ADC channels at one
time, giving us matching values, and exposing the exact averaging time
to callers
 2011-09-17 14:58:02 +10:00
tridge60@gmail.com b6397c089d IMU: added delay callback hooks to IMU initialisation 
this allows the imu init() call to use a custom replacement for
delay(), which will allow for the processing of MAVLink packets during
IMU initialisation

git-svn-id: https://arducopter.googlecode.com/svn/trunk@2986 f9c3cf11-9bcb-44bc-f272-b75c42450872
 2011-07-31 22:34:25 +00:00
jasonshort a16b00b5bf Added heavily filtered Accelerometer values for experimentation. 
git-svn-id: https://arducopter.googlecode.com/svn/trunk@2779 f9c3cf11-9bcb-44bc-f272-b75c42450872
 2011-07-08 03:58:19 +00:00
jasonshort fe16f5d7a4 IMU speedup by shorting the temp calculation. If someone bothers to temp calibrate their sensors, they'll need to edit this shortcut. 
git-svn-id: https://arducopter.googlecode.com/svn/trunk@2677 f9c3cf11-9bcb-44bc-f272-b75c42450872
 2011-06-26 06:23:22 +00:00
jasonshort ec5035d1ec added optimization note 
git-svn-id: https://arducopter.googlecode.com/svn/trunk@2564 f9c3cf11-9bcb-44bc-f272-b75c42450872
 2011-06-16 16:34:23 +00:00
jasonshort 12a78ecbdb just formatting 
git-svn-id: https://arducopter.googlecode.com/svn/trunk@1887 f9c3cf11-9bcb-44bc-f272-b75c42450872
 2011-04-16 04:55:32 +00:00
deweibel@gmail.com ec7c508207 Change gyro/accel calibration to guard against improper orientations or motion during cal 
git-svn-id: https://arducopter.googlecode.com/svn/trunk@1727 f9c3cf11-9bcb-44bc-f272-b75c42450872
 2011-02-25 17:49:31 +00:00
jasonshort 887a034fe9 added more time to IMU startup. added more accessors and removed private flag. 
git-svn-id: https://arducopter.googlecode.com/svn/trunk@1702 f9c3cf11-9bcb-44bc-f272-b75c42450872
 2011-02-20 23:10:18 +00:00
jasonshort bda94006a1 Added accessors back for Accels. I need them there until we need to find another solution. 
git-svn-id: https://arducopter.googlecode.com/svn/trunk@1676 f9c3cf11-9bcb-44bc-f272-b75c42450872
 2011-02-19 03:57:19 +00:00
DrZiplok@gmail.com 86fda84749 Use AP_Var to store accel/gyro calibration. 
Refactor AP_IMU_Oilpan and remove all the old EEPROM code.

git-svn-id: https://arducopter.googlecode.com/svn/trunk@1650 f9c3cf11-9bcb-44bc-f272-b75c42450872
 2011-02-14 04:42:37 +00:00
deweibel@gmail.com 0b6454aa0b Speed IMU initialization 
git-svn-id: https://arducopter.googlecode.com/svn/trunk@1641 f9c3cf11-9bcb-44bc-f272-b75c42450872
 2011-02-13 23:25:04 +00:00
DrZiplok 94fd2431e4 Implement an abstract IMU class. 
Refactor the existing AP_IMU as AP_IMU_Oilpan (this will require changes in other projects TBD).

Add a shim IMU class for use by e.g. HIL protocol handlers.

This paves the way for a better handling of HIL_MODE_SENSORS as well as the mooted SPI-based oilpan IMU.



git-svn-id: https://arducopter.googlecode.com/svn/trunk@1342 f9c3cf11-9bcb-44bc-f272-b75c42450872
 2010-12-28 23:41:00 +00:00