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fgdata/Aircraft/Instruments-3d/kns80/KNS80.nas
sydadams 00156d175f Added flashing DSP digit if USE and DSP aren't equal... 
Cleaned up some of the mess I made applying Ron's patch...
2007-04-22 07:07:23 +00:00

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#### King KNS-80 Integrated Navigation System ####
#### Syd Adams ####
#### Ron Jensen ####
####
#### Must be included in the Set file to run the KNS80 radio
####
#### Nav Modes 0 = VOR ; 1 = VOR/PAR ; 2 = RNAV/ENR ; 3 = RNAV/APR ;
####
KNS80 = props.globals.getNode("/instrumentation/kns-80",1);
NAV1 = props.globals.getNode("/instrumentation/nav/frequencies/selected-mhz",1);
NAV1_RADIAL = props.globals.getNode("/instrumentation/nav/radials/selected-deg",1);
FDM_ON = 0;
dsp_flash = props.globals.getNode("instrumentation/kns-80/flash", 1);
aircraft.light.new("instrumentation/kns-80/dsp-state", [0.5, 0.5],dsp_flash);
# Properties
NAV1_ACTUAL = props.globals.getNode("/instrumentation/nav/radials/actual-deg",1);
NAV1_TO_FLAG = props.globals.getNode("/instrumentation/nav[0]/to-flag",1);
NAV1_FROM_FLAG = props.globals.getNode("/instrumentation/nav[0]/from-flag",1);
NAV1_HEADING_NEEDLE_DEFLECTION = props.globals.getNode("/instrumentation/nav[0]/heading-needle-deflection",1);
NAV1_IN_RANGE = props.globals.getNode("/instrumentation/nav[0]/in-range",1);
DME1_IN_RANGE = props.globals.getNode("/instrumentation/dme[0]/in-range",1);
# outputs
CDI_NEEDLE = props.globals.getNode("/instrumentation/gps/cdi-deflection",1);
TO_FLAG = props.globals.getNode("/instrumentation/gps/to-flag",1);
FROM_FLAG = props.globals.getNode("/instrumentation/gps/from-flag",1);
RNAV = props.globals.getNode("/instrumentation/rnav",1);
# distance, radial from VOR Station
# rho, theta: distance and radial for phantom station
# range, bearing: distance and radial from phantom station
PI=3.14159265;
D2R=PI/180;
R2D=180/PI;
var unnil = func(n) { n == nil ? 0 : n }
# 0.1 second cron
sec01cron = func {
updateRNAV();
# schedule the next call
settimer(sec01cron,0.1);
}
# 1 seconds cron
sec1cron = func {
# hydraulicschedule();
# schedule the next call
settimer(sec1cron,1);
}
# general initialization
init = func {
# schedule the 1st call
settimer(sec01cron,1);
# settimer(sec1cron,1);
}
init();
var updateRNAV = func{
# check to see if we are in-range
if( NAV1_IN_RANGE.getValue()==0) {
return;
}
var dme_valid=DME1_IN_RANGE.getValue();
if( dme_valid == 0) {
return;
}
if( dme_valid == nil) {
return;
}
#### Nav Modes 0 = VOR ; 1 = VOR/PAR ; 2 = RNAV/ENR ; 3 = RNAV/APR ;
var mode = KNS80.getNode("nav-mode").getValue();
use =KNS80.getNode("use").getValue();
distance=getprop("/instrumentation/dme/indicated-distance-nm");
selected_radial = NAV1_RADIAL.getValue();
radial = NAV1_ACTUAL.getValue();
rho = KNS80.getNode("wpt[" ~ use ~ "]/distance").getValue();
theta = KNS80.getNode("wpt[" ~ use ~ "]/radial").getValue();
radial = unnil(radial);
theta = unnil(theta);
rho = unnil(rho);
distance=unnil(distance);
# c^2=a^2+b^2-2abCos(C)
var angle=(theta - radial)*D2R;
var range=distance > 0 ? math.sqrt(distance*distance + rho * rho - 2*distance*rho*math.cos(angle )) : 0;
# sin(A)/a=sin(B)/b
# B=asin(b*(sin(A)/a))
bearing = math.asin(rho*(math.sin(angle)/range))*R2D+radial;
if(bearing < 0) bearing += 360;
rbearing = bearing > 180 ? bearing - 180 : bearing + 180;
if( mode == 0){
# print("KNS-80 VOR");
needle_deflection = (NAV1_HEADING_NEEDLE_DEFLECTION.getValue());
# return;
}
if ( mode == 1){
# print("KNS-80 VOR/PAR");
angle = math.abs(selected_radial - radial);
needle_deflection = math.sin((selected_radial - radial) * D2R) * distance * 2;
}
if ( mode == 2){
# print("KNS-80 RNAV/ENR");
angle = math.abs(selected_radial - bearing);
needle_deflection = math.sin((selected_radial - bearing) * D2R) * range * 2;
}
if ( mode == 3){
# print("KNS-80 RNAV/APR");
angle = math.abs(selected_radial - bearing);
needle_deflection = math.sin((selected_radial - bearing) * D2R) * range * 8;
}
if ( needle_deflection > 10) needle_deflection = 10;
if ( needle_deflection < -10) needle_deflection =-10;
if (angle < 90){
from_flag=1;
to_flag =0;
} else {
from_flag=0;
to_flag =1;
}
# valid=1;
RNAV.getNode("heading-needle-deflection", 1).setValue(needle_deflection);
CDI_NEEDLE.setValue(needle_deflection);
TO_FLAG.setValue(to_flag);
FROM_FLAG.setValue(from_flag);
setprop("/instrumentation/rnav/indicated-distance-nm", range);
setprop("/instrumentation/rnav/reciprocal-radial-deg", rbearing);
setprop("/instrumentation/rnav/actual-deg", bearing);
}
_setlistener("/sim/signals/fdm-initialized", func {
KNS80.getNode("serviceable",1).setBoolValue(1);
KNS80.getNode("volume-adjust",1).setValue(0);
KNS80.getNode("data-adjust",1).setValue(0);
KNS80.getNode("volume",1).setValue(0.5);
KNS80.getNode("display",1).setValue(0);
KNS80.getNode("use",1).setValue(0);
KNS80.getNode("data-mode",1).setValue(0);
KNS80.getNode("nav-mode",1).setValue(0);
KNS80.getNode("dme-hold",1).setBoolValue(0);
KNS80.getNode("displayed-frequency",1).setValue(NAV1.getValue()* 100);
KNS80.getNode("displayed-distance",1).setValue(0);
KNS80.getNode("displayed-radial",1).setValue(NAV1_RADIAL.getValue());
KNS80.getNode("wpt[0]/frequency",1).setValue(NAV1.getValue()* 100);
KNS80.getNode("wpt[0]/radial",1).setValue(NAV1_RADIAL.getValue());
KNS80.getNode("wpt[0]/distance",1).setValue(0.0);
KNS80.getNode("wpt[1]/frequency",1).setValue(10800);
KNS80.getNode("wpt[1]/radial",1).setValue(0);
KNS80.getNode("wpt[1]/distance",1).setValue(0.0);
KNS80.getNode("wpt[2]/frequency",1).setValue(10800);
KNS80.getNode("wpt[2]/radial",1).setValue(0);
KNS80.getNode("wpt[2]/distance",1).setValue(0.0);
KNS80.getNode("wpt[3]/frequency",1).setValue(10800);
KNS80.getNode("wpt[3]/radial",1).setValue(0);
KNS80.getNode("wpt[3]/distance",1).setValue(0.0);
props.globals.getNode("/instrumentation/nav/ident").setBoolValue(0);
FDM_ON = 1;
init();
print("KNS-80 Nav System ... OK");
},1);
setlistener("/instrumentation/kns-80/volume-adjust", func {
if(FDM_ON != 0){
var amnt = cmdarg().getValue() * 0.05;
cmdarg().setValue(0);
var vol = KNS80.getChild("volume").getValue();
vol+= amnt;
if(vol > 1.0){vol = 1.0;}
if(vol < 0.0){vol = 0.0;KNS80.getNode("serviceable").setBoolValue(0);}
if(vol > 0.0){KNS80.getNode("serviceable").setBoolValue(1);}
KNS80.getNode("volume").setValue(vol);
KNS80.getNode("volume-adjust").setValue(0);
}
});
setlistener("/instrumentation/kns-80/data-adjust", func {
if(FDM_ON != 0){
var dmode = KNS80.getNode("data-mode").getValue();
var num = cmdarg().getValue();
cmdarg().setValue(0);
if(dmode == 0){
if(num == -1 or num ==1 ){num = num *5;}else{num = num *10;}
var newfreq = KNS80.getNode("displayed-frequency").getValue();
newfreq += num;
if(newfreq > 11895){newfreq -= 1100;}
if(newfreq < 10800){newfreq += 1100;}
KNS80.getNode("displayed-frequency").setValue(newfreq);
return;
}
if(dmode == 1){
var newrad = KNS80.getNode("displayed-radial").getValue();
newrad += num;
if(newrad > 359){newrad -= 360;}
if(newrad < 0){newrad += 360;}
KNS80.getNode("displayed-radial").setValue(newrad);
return;
}
if(dmode == 2){
var newdist = KNS80.getNode("displayed-distance").getValue();
newdist += num;
if(newdist > 99){newdist -= 100;}
if(newdist < 0){newdist += 100;}
KNS80.getNode("displayed-distance").setValue(newdist);
return;
}
}
});
setlistener("/instrumentation/kns-80/displayed-frequency", func {
if(FDM_ON != 0){
var freq = cmdarg().getValue();
var num = KNS80.getNode("display").getValue();
var use = KNS80.getNode("use").getValue();
KNS80.getNode("wpt[" ~ num ~ "]/frequency").setValue(freq);
NAV1.setValue(KNS80.getNode("wpt[" ~ use ~ "]/frequency").getValue() * 0.01);
}
});
setlistener("/instrumentation/kns-80/displayed-radial", func {
if(FDM_ON != 0){
var rad = cmdarg().getValue();
var num = KNS80.getNode("display").getValue();
var radial = KNS80.getNode("use").getValue();
KNS80.getNode("wpt[" ~ num ~ "]/radial").setValue(rad);
# NAV1_RADIAL.setValue(KNS80.getNode("wpt[" ~ radial ~ "]/radial").getValue());
}
});
setlistener("/instrumentation/kns-80/displayed-distance", func {
if(FDM_ON != 0){
var dis = cmdarg().getValue();
var num = KNS80.getNode("display").getValue();
KNS80.getNode("wpt[" ~ num ~ "]/distance").setValue(dis);
}
});
setlistener("/instrumentation/kns-80/serviceable", func {
if(FDM_ON != 0){
setprop("/instrumentation/nav/serviceable",cmdarg().getValue());
setprop("/instrumentation/dme/serviceable",cmdarg().getValue());
}
});
setlistener("/instrumentation/kns-80/volume", func {
if(FDM_ON == 0){return;}
setprop("/instrumentation/nav/volume",cmdarg().getValue());
setprop("/instrumentation/dme/volume",cmdarg().getValue());
});
setlistener("/instrumentation/kns-80/use", func {
if(FDM_ON == 0){return;}
var freq = cmdarg().getValue();
KNS80.getNode("flash").setValue(0);
NAV1.setValue(KNS80.getNode("wpt[" ~ freq ~ "]/frequency").getValue()* 0.01);
NAV1_RADIAL.setValue(KNS80.getNode("wpt[" ~ freq ~ "]/radial").getValue());
});
setlistener("/instrumentation/kns-80/display", func {
if(FDM_ON == 0){return;}
var freq = cmdarg().getValue();
var test = KNS80.getNode("use").getValue();
var wpt = KNS80.getNode("wpt[" ~ freq ~ "]/frequency").getValue();
KNS80.getNode("displayed-frequency").setValue(wpt);
KNS80.getNode("displayed-radial").setValue(KNS80.getNode("wpt[" ~ freq ~ "]/radial").getValue());
if(test != freq){
KNS80.getNode("flash").setValue(1);
}else{
KNS80.getNode("flash").setValue(0);
}
});
setlistener("/instrumentation/kns-80/dme-hold", func {
if(FDM_ON == 0){return;}
if(cmdarg().getBoolValue()){
props.globals.getNode("instrumentation/dme/frequencies/selected-mhz").setValue(NAV1.getValue());
props.globals.getNode("instrumentation/dme/frequencies/source").setValue("/instrumentation/dme/frequencies/selected-mhz");
}else{
props.globals.getNode("instrumentation/dme/frequencies/selected-mhz").setValue("");
props.globals.getNode("instrumentation/dme/frequencies/source").setValue("/instrumentation/nav[0]/frequencies/selected-mhz");
}
});
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