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17 Commits

Author SHA1 Message Date
Pat Hickey 6d876bc54d AP_ADC: rework ADC library to use PeriodicProcess and ISR_Register 
this makes it possible to build the ADC library when another driver
may also want that interrupt
 2011-11-25 20:00:16 -08:00
Jason Short 945a7c13a7 Heavy Accel Filter + mild Gyro Filter. To use, filter_result must be set to true on ADC. Off by default. 2011-10-01 15:44:53 -07:00
Jason Short 9a4bd31a8b 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
Jason Short df1a39f650 Added ADC gyro Filtering for quads - this fixes a noise issue introduced into the controller 
added Position mode
removed
Added back in the accelerometer experiment
Added filter_result boolean to enable filter on the fly
 2011-09-29 23:27:23 -07:00
Andrew Tridgell cc4bae4b42 fixed inconsistent linefeeds in ADC code 
the linefeeds had bacome inconsistent in this library, making some
editors fail to load the code
 2011-09-19 11:04:02 +10:00
Andrew Tridgell a828d00125 ADC: randomise the sampling rate 
this is based on suggestions from Kari and Mike, and should reduce the
aliasing effects we get from the simple averaging
 2011-09-17 14:58:02 +10:00
Andrew Tridgell 2ae78e197e ADC: the bottom 3 bits of ADC output are always zero 
its a 12 bit ADC .... silly of me to think the bottom 3 bits are
valid!
 2011-09-17 14:58:02 +10:00
Andrew Tridgell 1c5e8f0381 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 8a31af801f ADC: re-work for ADC code for full resolution and accurate timing 
this changes the ADC code to return the full resolution of the
sensors. It also adds a new Ch6() interface that returns 6 channels at
once, so the IMU can read 3 accelerometers and 3 gyros at once, and
get the exact time that the values were accumulated over
 2011-09-17 14:58:02 +10:00
jasonshort 5c3837757a Added ability to grab an unfiltered value from the ADC 
git-svn-id: https://arducopter.googlecode.com/svn/trunk@2963 f9c3cf11-9bcb-44bc-f272-b75c42450872
 2011-07-30 20:33:45 +00:00
jasonshort 3c27be40fc silly formatting 
git-svn-id: https://arducopter.googlecode.com/svn/trunk@2566 f9c3cf11-9bcb-44bc-f272-b75c42450872
 2011-06-16 16:43:43 +00:00
jasonshort 65345160d1 Implemented moving average filter to deal with noise issues on quads, default is a 6 member filter. 
git-svn-id: https://arducopter.googlecode.com/svn/trunk@2551 f9c3cf11-9bcb-44bc-f272-b75c42450872
 2011-06-12 23:50:15 +00:00
james.goppert e6c4595d3c Massive warning fixes. 
git-svn-id: https://arducopter.googlecode.com/svn/trunk@2089 f9c3cf11-9bcb-44bc-f272-b75c42450872
 2011-05-04 19:12:27 +00:00
mich146@hotmail.com f4403be163 ADC Library - reimplement overflow 
git-svn-id: https://arducopter.googlecode.com/svn/trunk@1832 f9c3cf11-9bcb-44bc-f272-b75c42450872
 2011-03-31 14:19:59 +00:00
mich146@hotmail.com ea4700ad6e Fix adc issue causing serial problems/other issues. (DOUG please check) 
git-svn-id: https://arducopter.googlecode.com/svn/trunk@1829 f9c3cf11-9bcb-44bc-f272-b75c42450872
 2011-03-29 11:16:21 +00:00
deweibel@gmail.com 2dc7621e4e Change ADC overflow correction 
git-svn-id: https://arducopter.googlecode.com/svn/trunk@1640 f9c3cf11-9bcb-44bc-f272-b75c42450872
 2011-02-13 23:24:37 +00:00
james.goppert cce122d387 Moved APM_ADC to AP_ADC 
git-svn-id: https://arducopter.googlecode.com/svn/trunk@954 f9c3cf11-9bcb-44bc-f272-b75c42450872
 2010-11-27 05:36:19 +00:00