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38 Commits

Author SHA1 Message Date
Andrew Tridgell 444588aaef AP_Declination: added generation of field tables 
we can re-generate with a python script. This also extends the tables
from -90 to +90 latitude
 2018-03-03 09:56:57 +11:00
Andrew Tridgell 03b1fdca97 AP_Declination: split tables into a separate file 
to make re-generation easier
 2018-03-03 09:56:57 +11:00
Andrew Tridgell 252fc9c757 AP_Declination: added inclination and intensity tables 
moved from SITL/SIM_Aircraft.h
 2018-02-08 17:36:33 +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
Ricardo de Almeida Gonzaga af13e2cca4 AP_Declination: Fix typos 2016-05-13 19:20:05 -03:00
Ricardo de Almeida Gonzaga 5bd034a5a8 Global: start using cmath instead of math.h 2016-04-05 21:06:19 -07:00
Lucas De Marchi 88319f52f7 AP_Declination: remove line continuation slashes 
These are not necessary and only clutter the code.
 2015-12-27 15:58:12 -02:00
Lucas De Marchi 3ae0082f52 AP_Declination: stop using Progmem.h 
Since the headers were re-ordered we also had to add inttypes.h to
AP_Declination.h following a include-what-you-use approach.
 2015-12-27 15:58:12 -02:00
Lucas De Marchi 1b07dabeb7 Replace prog_char and prog_char_t with char 
prog_char and prog_char_t are now the same as char on supported
platforms. So, just change all places that use them and prefer char
instead.

AVR-specific places were not changed.
 2015-10-30 14:35:30 +09:00
Lucas De Marchi 831d8acca5 Remove use of PROGMEM 
Now variables don't have to be declared with PROGMEM anymore, so remove
them. This was automated with:

    git grep -l -z PROGMEM | xargs -0 sed -i 's/ PROGMEM / /g'
    git grep -l -z PROGMEM | xargs -0 sed -i 's/PROGMEM//g'

The 2 commands were done so we don't leave behind spurious spaces.

AVR-specific places were not changed.
 2015-10-30 14:35:16 +09:00
Lucas De Marchi e4b313d2ca Replace use of memcpy_P() with memcpy() 2015-10-30 14:35:11 +09:00
Gustavo Jose de Sousa 23f634835d AP_Declination: 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 16:28:42 +10:00
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
Andrew Tridgell ba83950fc4 libraries: replace constrain() with constrain_float() 
this makes the type much more obvious. Thanks to Tobias for the
suggestion.
 2013-05-02 10:25:40 +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 69af1add15 Declination: fixes for AP_HAL progmem interface 2012-12-20 14:51:38 +11:00
Pat Hickey 9aada26e34 AP_Declination: translated to AP_HAL 2012-12-20 14:51:26 +11:00
uncrustify bcfff533f0 uncrustify libraries/AP_Declination/AP_Declination.cpp 2012-08-21 19:01:34 -07:00
Andrew Tridgell 927834106d AP_Declination: save some more memory by putting the declination keys in progmem 
there was a comment saying this was too slow, but it actually costs
about 30 usec extra, which is trivial given the full auto declination
call costs 680 usec and its only called once per boot
 2012-03-30 14:25:27 +11:00
Andrew Tridgell 175352845c AP_Declination: fixed build under SITL 2012-03-30 14:25:27 +11:00
Adam M Rivera 01b1e58f7d AP_Declination: Update LUT based on the changes that I made in the LUT generation code. This LUT is the final version that has no truncation. 2012-03-30 14:25:26 +11:00
Adam M Rivera 23f6093f05 AP_Declination: Updated comments to reflect new LUT size. 2012-03-30 14:25:06 +11:00
Adam M Rivera 50791a8b0f AP_Declination: Removed trailing zero deltas as they have no impact on the final value and only take up extra bytes. 2012-03-30 14:21:58 +11:00
Adam M Rivera f35e447927 AP_Declination: Updated compressed lookup value table. Located 9 more failure points due to truncation on the packed LUT. 2012-03-30 14:21:58 +11:00
Adam M Rivera 72b70c394c AP_Declination: Found 7 of the 22 failure points and fixed them. The issue with those 7 was the way I originally packed the value array. The last delta values on some rows were getting truncated. The new number of failures is down to 15 - WIP. 2012-03-30 14:21:58 +11:00
Adam M Rivera 230ca1ddca AP_Declination: Moved check for y index of zero to after the y index is properly transformed. 2012-03-30 14:21:58 +11:00
Adam M Rivera e0fa053c79 AP_Declination: The exception signs unpacking logic was incorrect. I was shifting a 1 value left y%8 which would have needed a the signs to be packed right to left. My packed signs byte was packed left to right (left most being the 0 position) so I needed to reverse the shifting. 2012-03-30 14:21:58 +11:00
Adam M Rivera f66c6e16e4 AP_Declination: In order for the bitwise & operation to work, negative signs need to be represented by 1s instead of 0s. Changed so that negative signs are represented by a 1 in the packed signs array. Updated lookup logic to reflect this change. 2012-03-30 14:21:58 +11:00
Adam M Rivera d88b9e8ffc AP_Declination: Updated packed exception signs array. I had the signs packed incorrectly. 2012-03-30 14:21:57 +11:00
Adam M Rivera efefc3e4f4 AP_Declination: Moved rows with large spikes in delta to their own unsigned exception rows. The signs are in a separate packed array. 2012-03-30 14:21:57 +11:00
Adam M Rivera 0dcc4e8307 AP_Declination: Implemented Delta Encoding and Run-Length Encoding. Added method to traverse the compressed array and return the lookup value based on the same lat_index/lon_index that was used before. 2012-03-30 14:21:57 +11:00
Adam M Rivera 3a849771bc AP_Declination: Changed PROGMEM read function to pgm_read_word_far to support the int16_t datatype. 2012-03-30 14:21:57 +11:00
Adam M Rivera 370e56c00a AP_Declination: Changed datatype to int16_t to support the -90 <-> 90 latitude range. 2012-03-30 14:21:57 +11:00
Adam M Rivera ae257ad42b AP_Declination: Reduced the size of the lookup table to support -75 <-> 70 latitude range. This allows the datatype to remain int8_t. 2012-03-30 14:21:57 +11:00
Andrew Tridgell c1b945018b AP_Declination: fixed usage of headers 2012-03-11 20:59:47 +11:00
Adam M Rivera b9be6ed290 AP_Declination: Updated comment. 
Signed-off-by: Andrew Tridgell <tridge@samba.org>
 2012-03-11 20:59:47 +11:00
Adam M Rivera e08b50ee91 AP_Declination: Increased range of supported latitude coordinates. 
Fixed incorrect type usage to save stack space.

Signed-off-by: Andrew Tridgell <tridge@samba.org>
 2012-03-11 20:59:47 +11:00
Adam M Rivera d2a07b1603 Added AP_Declination library. It contains the lookup table (lat/lng -> declination) as well as a method that performs the lookup. 
Signed-off-by: Andrew Tridgell <tridge@samba.org>
 2012-03-11 20:59:47 +11:00