104 lines
3.4 KiB
Text
104 lines
3.4 KiB
Text
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# Copyright 2018 Stuart Buchanan
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# This file is part of FlightGear.
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#
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# FlightGear is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 2 of the License, or
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# (at your option) any later version.
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#
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# FlightGear is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with FlightGear. If not, see <http://www.gnu.org/licenses/>.
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#
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# Emesary interface to set fuel information, mainly updating fuel levels.
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#
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var SelectableFuelInterface = {
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new : func ()
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{
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var obj = { parents : [ SelectableFuelInterface ] };
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# Emesary
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obj._recipient = nil;
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obj._transmitter = emesary.GlobalTransmitter;
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obj._registered = 0;
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return obj;
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},
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# Simply update the fuel quantities with the increment. Note that we assume
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# the increment is added to both left and right tanks, rather than being a
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# total quanity split between tanks.
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updateFuelQuantity : func(incr)
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{
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var fuel = getprop("/consumables/fuel/tank[0]/fg1000-indicated-level-gal_us") + incr;
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setprop("/consumables/fuel/tank[0]/fg1000-indicated-level-gal_us", fuel);
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fuel = getprop("/consumables/fuel/tank[1]/fg1000-indicated-level-gal_us") + incr;
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setprop("/consumables/fuel/tank[1]/fg1000-indicated-level-gal_us", fuel);
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},
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# Set the fuel quantities. Note that we assume we are setting the value
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# to both tanks, rather than splitting between them.
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setFuelQuantity : func(val)
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{
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setprop("/consumables/fuel/tank[0]/fg1000-indicated-level-gal_us", val);
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setprop("/consumables/fuel/tank[1]/fg1000-indicated-level-gal_us", val);
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},
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RegisterWithEmesary : func()
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{
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if (me._recipient == nil){
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me._recipient = emesary.Recipient.new("FuelInterface");
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var controller = me;
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# Note that unlike the various keys, this data isn't specific to a particular
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# Device - it's shared by all. Hence we don't check for the notificaiton
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# Device_Id.
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me._recipient.Receive = func(notification)
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{
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if (notification.NotificationType == notifications.PFDEventNotification.DefaultType and
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notification.Event_Id == notifications.PFDEventNotification.FuelData and
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notification.EventParameter != nil)
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{
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var id = notification.EventParameter.Id;
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if (id == "UpdateFuelQuantity") {
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notification.EventParameter.Value = controller.updateFuelQuantity(notification.EventParameter.Value);
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return emesary.Transmitter.ReceiptStatus_Finished;
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}
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if (id == "SetFuelQuantity") {
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notification.EventParameter.Value = controller.setFuelQuantity(notification.EventParameter.Value);
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return emesary.Transmitter.ReceiptStatus_Finished;
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}
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}
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return emesary.Transmitter.ReceiptStatus_NotProcessed;
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};
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}
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me._transmitter.Register(me._recipient);
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me._registered = 1;
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},
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DeRegisterWithEmesary : func()
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{
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# remove registration from transmitter; but keep the recipient once it is created.
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if (me._registered == 1) me._transmitter.DeRegister(me._recipient);
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me._registered = 0;
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},
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start : func() {
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me.RegisterWithEmesary();
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},
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stop : func() {
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me.DeRegisterWithEmesary();
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},
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};
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