2 * Copyright (C) 2016 The LibrePilot Project
3 * Contact: http://www.librepilot.org
5 * This file is part of LibrePilot GCS.
7 * LibrePilot GCS is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
12 * LibrePilot GCS is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with LibrePilot GCS. If not, see <http://www.gnu.org/licenses/>.
21 // ***********************
22 // Common javascript utils
23 // ***********************
26 function getDateTime() {
27 switch(pfdContext.timeMode) {
30 case TimeMode.Predefined:
31 return pfdContext.dateTime;
35 // Format time with two digits
36 function formatTime(time) {
42 return time.toString();
45 // Returns a formated time value
48 function formatFlightTime(timeValue) {
54 timeHour = Math.floor(timeValue / 3600);
55 timeMinutes = Math.floor((timeValue - timeHour * 3600) / 60);
56 timeSeconds = Math.floor(timeValue - timeHour * 3600 - timeMinutes * 60);
59 return formatTime(timeHour) + ":" + formatTime(timeMinutes) + ":" + formatTime(timeSeconds);
62 // Returns a formated ETA
63 function estimatedTimeOfArrival(distance, velocity) {
69 if ((distance > 0) && (velocity > 0)) {
70 etaValue = Math.round(distance/velocity);
73 return formatFlightTime(etaValue);