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author | Lorenz Meier <lm@inf.ethz.ch> | 2014-06-28 12:37:26 +0200 |
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committer | Lorenz Meier <lm@inf.ethz.ch> | 2014-06-28 12:37:26 +0200 |
commit | 2bd5511d096c3351bf74c81072e2cc00b344ef79 (patch) | |
tree | 5e2b09c13cd598ca458388b81c9ea8ab7201a813 /src/lib/geo_lookup/geo_mag_declination.h | |
parent | f3a77705a701a92ae510e18280136b3b7f204b3e (diff) | |
download | px4-firmware-2bd5511d096c3351bf74c81072e2cc00b344ef79.tar.gz px4-firmware-2bd5511d096c3351bf74c81072e2cc00b344ef79.tar.bz2 px4-firmware-2bd5511d096c3351bf74c81072e2cc00b344ef79.zip |
geo lookup lib: Moved to separate module and compiling with -Os to save some precious flash
Diffstat (limited to 'src/lib/geo_lookup/geo_mag_declination.h')
-rw-r--r-- | src/lib/geo_lookup/geo_mag_declination.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/src/lib/geo_lookup/geo_mag_declination.h b/src/lib/geo_lookup/geo_mag_declination.h new file mode 100644 index 000000000..0ac062d6d --- /dev/null +++ b/src/lib/geo_lookup/geo_mag_declination.h @@ -0,0 +1,47 @@ +/**************************************************************************** + * + * Copyright (c) 2014 MAV GEO Library (MAVGEO). All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name MAVGEO nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/** +* @file geo_mag_declination.h +* +* Calculation / lookup table for earth magnetic field declination. +* +*/ + +#pragma once + +__BEGIN_DECLS + +__EXPORT float get_mag_declination(float lat, float lon); + +__END_DECLS |