86 lines
2.3 KiB
Text
86 lines
2.3 KiB
Text
# Hardware Interface (currently Linux/HIDRAW-only)
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# see README and http://members.aon.at/mfranz/warthog.html
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if (io.stat("/dev/input") != nil and io.stat("/dev/input/hidraw") == nil) {
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print("warthog: read file $FG_ROOT/Input/Joysticks/ThrustMaster/Warthog/README");
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print(" for how to enable FlightGear to set backlight and LEDs etc.");
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}
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var device = {
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new: func(path, bufsize) {
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var m = { parents: [device] };
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m.path = path;
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m.bufsize = bufsize;
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m.data = bits.buf(m.bufsize);
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var stat = io.stat(m.path);
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if (stat == nil or stat[11] != "chr")
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m.send = m.receive = func {};
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return m;
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},
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send: func {
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var buf = bits.buf(me.bufsize);
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forindex (var i; arg)
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buf[i] = arg[i];
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var file = io.open(me.path, "wb");
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io.write(file, buf);
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io.close(file);
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},
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receive: func {
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var file = io.open(me.path, "rb");
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io.read(file, me.data, me.bufsize);
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io.close(file);
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},
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};
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var joystick = {
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parents: [device.new("/dev/input/hidraw/Thustmaster_Joystick_-_HOTAS_Warthog", 12)],
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init: func {
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me.receive();
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},
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};
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var throttle = {
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parents: [device.new("/dev/input/hidraw/Thrustmaster_Throttle_-_HOTAS_Warthog", 36)],
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init: func {
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me.receive();
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me.leds = me.data[26];
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me.brightness = me.data[27];
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},
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set_leds: func(state, which...) { # on/off, list of leds (0: background, 1-5)
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var leds = me.leds;
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foreach (var w; which)
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me.leds = bits.switch(me.leds, me._ledmap[w], state);
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if (me.leds != leds)
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me.send(1, 6, me.leds, me.brightness);
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},
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toggle_leds: func(which...) {
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foreach (var w; which)
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me.leds = bits.toggle(me.leds, me._ledmap[w]);
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me.send(1, 6, me.leds, me.brightness);
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},
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set_brightness: func(v) { # clamped to [0,5], where 0 is off and 5 is bright
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if (v != me.brightness)
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me.send(1, 6, me.leds, me.brightness = v < 0 ? 0 : v > 5 ? 5 : v);
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},
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brighter: func {
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me.leds = bits.set(me.leds, me._ledmap[0]);
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me.set_brightness(me.brightness + 1);
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},
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darker: func {
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me.leds = bits.set(me.leds, me._ledmap[0]);
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me.set_brightness(me.brightness - 1);
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},
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_ledmap: {0: 3, 1: 2, 2: 1, 3: 4, 4: 0, 5: 6},
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};
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joystick.init();
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throttle.init(); # read configuration
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throttle.set_brightness(1); # LEDs dark (but on)
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throttle.set_leds(1, 0); # backlight on
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setlistener("/sim/signals/exit", func throttle.set_leds(0, 1, 2, 3, 4, 5), 1); # other LEDs off (now and at exit)
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