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IDG-A32X/Nasal/FMGC.nas
Jonathan Redpath 9193f833a8 FMGC bugfix
2017-05-13 14:53:15 +01:00

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3.8 KiB
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# A320Family FMGC
# Joshua Davidson (it0uchpods) and Jonathan Redpath (legoboyvdlp)
# it0uchpods, you can remove these comments as soon as it is complete. They are basically my notes to remind me of things.
# Very Simple at the moment, but will evolve into a fully-fledged FMGC System. -JD
var FMGCinit = func {
setprop("/FMGC/status/to-state", 0);
setprop("/FMGC/status/phase", "0"); # 0 is preflight 1 takeoff 2 climb 3 cruise 4 descent 5 approach 6 go around 7 done
setprop("/FMGC/internal/cruise-fl", 10000);
phasecheck.start();
}
setlistener("/gear/gear[1]/wow", func {
flarecheck();
});
setlistener("/gear/gear[2]/wow", func {
flarecheck();
});
var flarecheck = func {
var gear1 = getprop("/gear/gear[1]/wow");
var gear2 = getprop("/gear/gear[2]/wow");
var state1 = getprop("/systems/thrust/state1");
var state2 = getprop("/systems/thrust/state2");
var flaps = getprop("/controls/flight/flap-pos");
if (gear1 == 1 and gear2 == 1 and (state1 == "MCT" or state1 == "TOGA") and (state2 == "MCT" or state2 == "TOGA") and flaps < 4) {
setprop("/FMGC/status/to-state", 1);
}
if (getprop("/position/gear-agl-ft") >= 55) {
setprop("/FMGC/status/to-state", 0);
}
if (gear1 == 1 and gear2 == 1 and getprop("/FMGC/status/to-state") == 0 and flaps >= 4) {
setprop("/controls/flight/elevator-trim", -0.15);
}
}
# flight phase computer
var phasecheck = maketimer(0.2, func {
var n1_left = getprop("/engines/engine[0]/n1");
var n1_right = getprop("/engines/engine[1]/n1");
var flaps = getprop("/controls/flight/flap-pos");
var mode = getprop("/modes/pfd/fma/pitch-mode");
var gs = getprop("/velocities/groundspeed-kt");
var alt = getprop("/instrumentation/altimeter/indicated-altitude-ft");
var cruisefl = getprop("/FMGC/internal/cruise-fl");
var newcruise = getprop("/it-autoflight/input/alt");
var phase = getprop("/FMGC/status/phase");
var state1 = getprop("/systems/thrust/state1");
var state2 = getprop("/systems/thrust/state2");
var wowl = getprop("/gear/gear[1]/wow");
var wowr = getprop("/gear/gear[2]/wow");
var targetalt = getprop("/it-autoflight/input/alt");
var targetvs = getprop("/it-autoflight/input/vs");
var targetfpa = getprop("/it-autoflight/input/fpa");
var vertmode = getprop("/it-autoflight/mode/vert");
if ((((n1_left >= 85) and (n1_right >= 85)) or (gs > 90 )) and flaps < 4 and (mode == "SRS")) {
setprop("/FMGC/status/phase", "1");
}
if ((alt >= 1500) and (alt <= cruisefl) and (phase == "1") and (phase != "4") and (mode != "SRS")) {
setprop("/FMGC/status/phase", "2");
}
if ((alt >= cruisefl) and (phase == "2") and (mode != "SRS")) {
setprop("/FMGC/status/phase", "3"); # for now cruise will be level 100 or above until the MCDU is ready
}
if ((alt <= cruisefl) and (phase == "3")) { # for now it will have to be when we begin descent.
setprop("/FMGC/status/phase", "4");
}
if (getprop("/FMGC/status/to-state") == 0 and flaps >= 4 and ((phase == "4") or (phase == "2"))) { # add man activation of approach phase in MCDU or DECEL when those things are simulated
setprop("/FMGC/status/phase", "5");
}
if ((phase == "5") and (state1 == "TOGA") and (state2 == "TOGA")) { # this is the only fully correct one to FCOM
setprop("/FMGC/status/phase", "6");
}
# forget transition from APP to climb for now because it would be too complex
if ((phase == "6") and ((vertmode == "ALT CAP") or (vertmode == "G/A CLB") or (vertmode == "SPD CLB") or ((vertmode == "V/S") and (targetvs > 0)) or ((vertmode == "FPA") and (targetfpa > 0))) and (alt <= targetalt)) {
setprop("/FMGC/status/phase", "2"); # going to CLIMB mode from GA
}
if ((wowl and wowr) and (gs < 20)) { # below twenty knots. In future make a timer to ensure that it goes to DONE 30 sec after landing.
setprop("/FMGC/status/phase", "7");
FMGCinit(); # reset. Eventually make it reset only when INIT / PERF page are accessed
}
});