1 // kln89_page_*.[ch]xx - this file is one of the "pages" that
2 // are used in the KLN89 GPS unit simulation.
4 // Written by David Luff, started 2005.
6 // Copyright (C) 2005 - David C Luff - david.luff@nottingham.ac.uk
8 // This program is free software; you can redistribute it and/or
9 // modify it under the terms of the GNU General Public License as
10 // published by the Free Software Foundation; either version 2 of the
11 // License, or (at your option) any later version.
13 // This program is distributed in the hope that it will be useful, but
14 // WITHOUT ANY WARRANTY; without even the implied warranty of
15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 // General Public License for more details.
18 // You should have received a copy of the GNU General Public License
19 // along with this program; if not, write to the Free Software
20 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
28 #include "kln89_page_oth.hxx"
30 KLN89OthPage::KLN89OthPage(KLN89* parent)
37 KLN89OthPage::~KLN89OthPage() {
40 void KLN89OthPage::Update(double dt) {
41 // The OTH pages aren't terribly important at the moment, since we don't simulate
42 // error and failure, but lets hardwire some representitive output anyway.
44 _kln89->DrawText("State", 2, 0, 3);
45 _kln89->DrawText("GPS Alt", 2, 0, 2);
46 _kln89->DrawText("Estimated Posn", 2, 0, 1);
47 _kln89->DrawText("Error", 2, 1, 0);
49 // FIXME - hardwired value.
50 _kln89->DrawText("NAV D", 2, 9, 3);
51 // TODO - add error physics to FG GPS where the alt value comes from.
53 int n = snprintf(buf, 5, "%i", _kln89->_altUnits == GPS_ALT_UNITS_FT ? (int)_kln89->_alt : (int)(_kln89->_alt * SG_FEET_TO_METER));
54 _kln89->DrawText((string)buf, 2, 13-n, 2);
55 _kln89->DrawText(_kln89->_altUnits == GPS_ALT_UNITS_FT ? "ft" : "m", 2, 13, 2);
56 // FIXME - hardwired values.
57 // Note that a 5th digit if required is left padded one further at position 7.
58 _kln89->DrawText(_kln89->_distUnits == GPS_DIST_UNITS_NM ? "0.02nm" : "0.03km", 2, 8, 0);
61 KLN89Page::Update(dt);