Paparazzi UAS v7.0_unstable
Paparazzi is a free software Unmanned Aircraft System.
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trilateration.h
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1/*
2 * Copyright (C) 2017 Gautier Hattenberger <gautier.hattenberger@enac.fr>
3 *
4 * This file is part of paparazzi
5 *
6 * paparazzi is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2, or (at your option)
9 * any later version.
10 *
11 * paparazzi is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with paparazzi; see the file COPYING. If not, see
18 * <http://www.gnu.org/licenses/>.
19 */
27#ifndef TRILATERATION_H
28#define TRILATERATION_H
29
30#include "std.h"
32
34struct Anchor {
35 float distance;
36 float time;
37 struct EnuCoor_f pos;
39 bool updated;
40};
41
46extern int trilateration_init(struct Anchor *anchors);
47
54extern int trilateration_compute(struct Anchor *anchors, struct EnuCoor_f *pos);
55
56#endif
57
58
Paparazzi floating point math for geodetic calculations.
vector in East North Up coordinates Units: meters
float distance
last measured distance
struct EnuCoor_f pos
position of the anchor
uint16_t id
anchor ID
bool updated
new data available
int trilateration_init(struct Anchor *anchors)
Init internal trilateration structures.
float time
time of the last received data
int trilateration_compute(struct Anchor *anchors, struct EnuCoor_f *pos)
Compute trilateration based on the latest measurments.
Anchor structure.
unsigned short uint16_t
Typedef defining 16 bit unsigned short type.