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27 Commits

Author SHA1 Message Date
Andrew Tridgell
cd1f5ca494 Filter: use CLASS_NO_COPY 2021-06-08 11:14:52 +10:00
Andrew Tridgell
6cae97446a Filter: added auto-init to LowPassFilter 
make sure initial filter returns are not a long way off if filtered
input is far from zero
 2021-04-15 06:57:16 +10:00
Andrew Tridgell
b165e025d9 Filter: added new constructor for 1p filter 
allow both sample rate and cutoff to be specified in constructor
 2016-11-25 17:49:57 +11:00
Andrew Tridgell
f94e4b4375 Filter: allow 1P LowPassFilter to work without alpha recalc per sample 
this makes the 1P filter optionally syntax compatible with the 2P
filter and much more CPU efficient.
 2016-11-10 11:43:29 +11:00
Mathieu OTHACEHE
152edf7189 Global: remove mode line from headers 
Using a global .dir-locals.el file is a better alternative than
reincluding the same emacs header in every file of the project.
 2016-10-24 09:42:01 -02:00
Lucas De Marchi
98904825cb Filter: replace header guard with pragma once 2016-02-18 14:52:35 -02:00
Tom Pittenger
4ee2fb6c7a Filter: compiler warnings - unused template <double> 2015-12-07 15:50:00 +09:00
dgrat
58e2ac4e56 Filter: Template implementation for <Filter> 
There are implementations for float, Vector2f and Vector3f for the Low
Pass Filter and the *2p filter.  I tried to implement these filters
with one common template implementation.  This implementation saves
some lines of code and reduced the redundancy.  One could save even
more code if the currently overloaded isinf/isnan functions and checks
can be removed.

Signed-off-by: Daniel Frenzel <dgdanielf@gmail.com>
 2015-08-23 11:17:02 +10:00
Gustavo Jose de Sousa
a1af0c2051 Filter: standardize inclusion of libaries headers 
This commit changes the way libraries headers are included in source files:

 - If the header is in the same directory the source belongs to, so the
 notation '#include ""' is used with the path relative to the directory
 containing the source.

 - If the header is outside the directory containing the source, then we use
 the notation '#include <>' with the path relative to libraries folder.

Some of the advantages of such approach:

 - Only one search path for libraries headers.

 - OSs like Windows may have a better lookup time.
 2015-08-11 16:38:24 +10:00
Randy Mackay
1289208244 LowPassFilter: add get method 2015-06-12 21:36:24 +09:00
Randy Mackay
151707cb0a Filter: replace 2*M_PI_F with M_2PI_F 2015-05-05 14:22:52 +09:00
Randy Mackay
99a9a88529 Filter: dt check fix for LPF 2015-04-17 10:59:03 +09:00
Jonathan Challinger
f20a91ec95 Filter: add dt<0 check to LPF 2015-04-17 10:47:06 +09:00
Randy Mackay
22e1156c31 Filter: add some comments to LowPassFilter 2015-04-17 10:47:04 +09:00
Jonathan Challinger
76da2868d0 Filter: rework LowPassFilter 2015-04-17 10:46:42 +09:00
Randy Mackay
ca92821445 Filter: LowPassFilter gets another div-by-zero check 2015-04-01 10:34:28 -07:00
Jonathan Challinger
57f8a4d29d Filter: add get_cutoff_frequency 2015-04-01 10:15:07 -07:00
Randy Mackay
4b78b2ce80 Filter: add get method to LowPassFilter 2015-03-03 15:48:58 +09:00
Randy Mackay
cf35bd3f42 LowPassFilter: add div by zero check 2014-09-21 17:33:59 +09:00
Randy Mackay
a0369b85d1 LowPassFilter: make methods non-virtual 
No classes inherit from this class so no need for set_cutoff_frequency,
set_time_constant and reset(T) to be declared virtual.  Saves 6 bytes of
RAM.
 2014-02-10 20:47:05 +09:00
Andrew Tridgell
97b7130bb9 libraries: update license header to GPLv3 
we switched to GPLv3 a long time ago, but neglected to update the
per-file license headers
 2013-08-30 13:01:39 +10:00
James Bielman
5631f865b2 Update floating point calculations to use floats instead of doubles. 
- Allows use of hardware floating point on the Cortex-M4.
- Added "f" suffix to floating point literals.
- Call floating point versions of stdlib math functions.
 2013-01-16 13:52:01 +11:00
Andrew Tridgell
30b50a858d Filter: fixed a warning on PX4 2013-01-11 21:17:34 +11:00
Pat Hickey
84e0dd406e Filter: ported to AP_HAL 2012-12-20 14:51:25 +11:00
rmackay9
957d366cca Filter: improved low pass filter allows setting gain using time_step and cutoff freq 2012-11-19 01:06:06 +09:00
uncrustify
406abb3fa0 uncrustify libraries/Filter/LowPassFilter.h 2012-08-21 19:04:30 -07:00
rmackay9
2b2dbf2a7f Filter - added simple LowPassFilter (simple but it's possible to make errors with simple stuff too so might as well have one) 2012-03-25 16:15:25 +09:00