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fgdata/Aircraft/c172p/Nasal/kx165a.nas

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# Code to handle 8.33 khz for the KX165A radio
var increment = func(index, direction) {
var selector = getprop("instrumentation/comm[" ~ index ~ "]/channel-mode-selector");
if (selector == 1) {
setprop("instrumentation/comm[" ~ index ~ "]/frequencies/standby-channel", getprop("instrumentation/comm[" ~ index ~ "]/frequencies/standby-channel") + direction);
} elsif (selector == 0) {
setprop("instrumentation/comm[" ~ index ~ "]/frequencies/standby-channel", getprop("instrumentation/comm[" ~ index ~ "]/frequencies/standby-channel") + (direction * 4));
}
}
setlistener("/instrumentation/comm[0]/channel-mode-selector", func() {
if (getprop("/instrumentation/comm[0]/channel-mode-selector") == 0) {
var result = math.round(getprop("/instrumentation/comm[0]/frequencies/standby-channel") / 4) * 4;
setprop("/instrumentation/comm[0]/frequencies/standby-channel", result);
var result = math.round(getprop("/instrumentation/comm[0]/frequencies/selected-channel") / 4) * 4;
setprop("/instrumentation/comm[0]/frequencies/selected-channel", result);
}
}, 0, 0);
setlistener("/instrumentation/comm[1]/channel-mode-selector", func() {
if (getprop("/instrumentation/comm[1]/channel-mode-selector") == 0) {
var result = math.round(getprop("/instrumentation/comm[1]/frequencies/standby-channel") / 4) * 4;
setprop("/instrumentation/comm[1]/frequencies/standby-channel", result);
var result = math.round(getprop("/instrumentation/comm[1]/frequencies/selected-channel") / 4) * 4;
setprop("/instrumentation/comm[1]/frequencies/selected-channel", result);
}
}, 0, 0);
var hackListener = setlistener("/sim/signals/fdm-initialized", func() {
# a dirty hack but it works. It triggers the above setlisteners on startup (passing the startup argument did not work)
# in case a 8.33 frequency has been saved but 25k is selected on startup
var selector = getprop("instrumentation/comm[0]/channel-mode-selector");
setprop("/instrumentation/comm[0]/channel-mode-selector", 2);
setprop("/instrumentation/comm[0]/channel-mode-selector", selector);
var selector = getprop("instrumentation/comm[1]/channel-mode-selector");
setprop("/instrumentation/comm[1]/channel-mode-selector", 2);
setprop("/instrumentation/comm[1]/channel-mode-selector", selector);
# after the first startup we don't need this
removelistener(hackListener);
});