Landing gear

- Updated include file wHumanCustomPhysicsAPI.h to lates (1.2.7)
- Added working gear and wheelbrakes
- Airplane explodes if starting on ground with wheels extended so
commented that out...

.gitattributes

@@ -0,0 +1,22 @@
+# Auto detect text files and perform LF normalization
+* text=auto
+
+# Custom for Visual Studio
+*.cs     diff=csharp
+*.sln    merge=union
+*.csproj merge=union
+*.vbproj merge=union
+*.fsproj merge=union
+*.dbproj merge=union
+
+# Standard to msysgit
+*.doc	 diff=astextplain
+*.DOC	 diff=astextplain
+*.docx diff=astextplain
+*.DOCX diff=astextplain
+*.dot  diff=astextplain
+*.DOT  diff=astextplain
+*.pdf  diff=astextplain
+*.PDF	 diff=astextplain
+*.rtf	 diff=astextplain
+*.RTF	 diff=astextplain

.gitignore

@@ -0,0 +1,14 @@
+*.tlog
+*.manifest
+*.lastbuildstate
+*.log
+*.obj
+*.pch
+*.cache
+*.pdb
+*.ipch
+*.sdf
+*.dll
+*.exp
+*.lib
+*.suo

Cockpit2/Systems/landing_gear_system.lua

@@ -1,61 +1,105 @@
 local landing_gear_system = GetSelf()
+local dev = GetSelf()
 
-local update_time_step = 0.1
+local update_time_step = 0.05
 make_default_activity(update_time_step)
 
 local sensor_data = get_base_data()
-
+local Gear  = 68 --This is the number of the command from command_defs
+local BrakeOn = 74
+local BrakeOff = 75
 print("LOADING LANDING GEAR SYSTEM")
 --Creating local variables
 local GEAR_COMMAND		=	0				-- COMMANDED GEAR POS 0=UP, 1=DOWN
 local GEAR_STATE		=	0				-- ACTUALT GEAR POS 0=UP,1=DOWN
 local NOSE_GEAR_POS 	= 	0
 local RIGHT_GEAR_POS 	=   0
 local LEFT_GEAR_POS		=   0
+local HAS_STARTED		= 	0
+local BRAKE_COMMAND		=	0
+local BRAKE_STATE		=	0
+
+dev:listen_command(Gear)
+dev:listen_command(BrakeOn)
+dev:listen_command(BrakeOff)
 
 function SetCommand(command,value)			
-	print_message_to_user("SetCommand Triggered")
+	--print_message_to_user(string.format("New SetCommand Triggered %d gearstate %d", command, GEAR_STATE))
+	--env.info(string.format("Command %f", command), true)
 
-	if command == 3020 then  -- GEAR UP		
-		GEAR_COMMAND = 0
-		print_message_to_user("Gear Set to UP")
+	if command == Gear then
+		if (GEAR_COMMAND == 1) then
+			GEAR_COMMAND = 0
+		else
+			GEAR_COMMAND = 1
+		end
 	end
 
-	if command == 3019 then  -- GEAR DOWN		
-		GEAR_COMMAND = 1
-		print_message_to_user("Gear Set to DOWN")
+	if command == BrakeOn then
+		BRAKE_COMMAND = 1
+	end
+	if command == BrakeOff then
+		BRAKE_COMMAND = 0
 	end
 end
+local p_gearstate = get_param_handle("GEARSTATE") --Any examples of this? I don't remember...
+local fmparams = get_param_handle("FM_Params")
+fmparams:set(string.format("%sGEARSTATE;",fmparams:get()))
 
 function update()		
-	--print_message_to_user("Update")
-
+	p_gearstate:set(GEAR_STATE)
+	--print_message_to_user(string.format("Update gearstate %d", GEAR_STATE))
+	--env.info(string.format("Update!", 1), true)
 	NOSE_GEAR_POS 	=  get_aircraft_draw_argument_value(0)
 	RIGHT_GEAR_POS 	=  get_aircraft_draw_argument_value(3)
 	LEFT_GEAR_POS 	=  get_aircraft_draw_argument_value(5)
 
-	--if GEAR_COMMAND == 1 then
-	--	GEAR_STATE = 1
-	--end
+	-- if (sensor_data.getRadarAltitude() * 3.28084) < 500.0 then
+		-- GEAR_STATE = 1
+	-- end
+	if (GEAR_COMMAND == 0 and GEAR_STATE > 0.05) then
+		-- Raise gear in increments of 0.1
+		GEAR_STATE = GEAR_STATE - 0.05
+	else
+		if (GEAR_COMMAND == 1 and GEAR_STATE < 0.95) then
+			-- Lower gear in increment of 0.1
+			GEAR_STATE = GEAR_STATE + 0.05
+		end
+	end
 
-	--if GEAR_COMMAND == 0 then
-	--	GEAR_STATE = 0
-	--end
-	GEAR_STATE = 0
 
-	if (sensor_data.getRadarAltitude() * 3.28084) < 500.0 then
-		GEAR_STATE = 1
+	--set_aircraft_draw_argument_value(0,GEAR_STATE)
+	--set_aircraft_draw_argument_value(3,GEAR_STATE)
+	--set_aircraft_draw_argument_value(5,GEAR_STATE)
+
+	-- Draw arguments list:
+	-- 500 = Gear level commanded
+	-- 501 = Wheel brake commanded
+	-- 504 = Weight on wheels nose
+	-- 505 = Weight on wheels left main gear
+	-- 506 = Weight on wheels right main gear
+
+
+	if (HAS_STARTED == 1) then
+		set_aircraft_draw_argument_value(500,GEAR_COMMAND)
+	else
+		GEAR_COMMAND = get_aircraft_draw_argument_value(500)
+		HAS_STARTED = 1
 	end
 
-	set_aircraft_draw_argument_value(0,GEAR_STATE)
-	set_aircraft_draw_argument_value(3,GEAR_STATE)
-	set_aircraft_draw_argument_value(5,GEAR_STATE)
+	set_aircraft_draw_argument_value(501, BRAKE_COMMAND)
+
+	set_aircraft_draw_argument_value(504, sensor_data.getWOW_NoseLandingGear())
+	set_aircraft_draw_argument_value(505, sensor_data.getWOW_LeftMainLandingGear())
+	set_aircraft_draw_argument_value(506, sensor_data.getWOW_RightMainLandingGear())
 
-	--if	sensor_data.getWOW_LeftMainLandingGear()==1 or
-	--	sensor_data.getWOW_NoseLandingGear()==1 or
-	--	sensor_data.getWOW_RightMainLandingGear()==1 then 
-	--	print_message_to_user("TOUCHDOWN!")
-	--end
+	 --if	sensor_data.getWOW_LeftMainLandingGear()==1 or
+		-- sensor_data.getWOW_NoseLandingGear()==1 or
+		-- sensor_data.getWOW_RightMainLandingGear()==1 then 
+		-- print_message_to_user("TOUCHDOWN!")
+	-- else
+		-- print_message_to_user("FLYING")
+	-- end
 end
 
 

Cockpit2/command_defs.lua

@@ -1,9 +1,13 @@
+-- Add these from input
 Keys =
 {
 	PlanePickleOn	= 350,
 	PlanePickleOff	= 351,
 	PlaneFireOn		= 84,
 	PlaneFireOff	= 85,
+	iCommandPlaneGear = 68,
+	iCommandPlaneWheelBrakeOn = 74,
+	iCommandPlaneWheelBrakeOff = 75,
 }
 
 start_command   = 3000

Cockpit2/device_init.lua

@@ -36,7 +36,7 @@ creators[devices.CLOCK]			 = {"avAChS_1"			    ,LockOn_Options.script_path.."clo
 creators[devices.ADI]			 = {"avBaseIKP"			    ,LockOn_Options.script_path.."adi.lua"}
 creators[devices.ELECTRIC_SYSTEM]= {"avSimpleElectricSystem",LockOn_Options.script_path.."Systems/electric_system.lua"}
 creators[devices.RADAR]			 = {"avSimpleRadar"			,LockOn_Options.script_path.."RADAR/Device/init.lua"}
-creators[devices.LANDING_GEAR]	 = {"avSimpleRadar"			,LockOn_Options.script_path.."Systems/landing_gear_system.lua"}
+creators[devices.LANDING_GEAR]	 = {"avLuaDevice"			,LockOn_Options.script_path.."Systems/landing_gear_system.lua"}
 
 -- Indicators
 indicators = {}

Cockpit2/test_device.lua

@@ -22,7 +22,7 @@ end
 
 function update()
 	local v = my_param:get()
-	print(v)
+	--print(v)
 	my_param:set(sensor_data.getMachNumber())
 	if electric_system ~= nil then
 	   local DC_V     =  electric_system:get_DC_Bus_1_voltage()

FlightModel/F_16Demo/F_16Demo.cpp

@@ -192,6 +192,9 @@ namespace F16
 	double		ay_world				= 0.0;			// World referenced up/down acceleration (m/s^2)
 	double		weight_on_wheels		= 0.0;			// Weight on wheels flag (not used right now)
 	double		rolling_friction		= 0.03;			// Rolling friction amount (not use right now)
+	double		WheelBrakeCommand		= 0.0;			// Commanded wheel brake
+	double		GearCommand				= 0.0;			// Commanded gear lever
+	double		DeltaTime				= 0.0;			// Delta time of the simulation, in seconds
 }
 
 // These are taken from Export.lua
@@ -282,6 +285,17 @@ void ed_fm_add_local_moment(double & x,double &y,double &z)
 //-----------------------------------------------------------------------
 void ed_fm_simulate(double dt)
 {
+	F16::DeltaTime = dt;
+
+	/* Gear animation */
+	if (F16::gearDown > F16::GearCommand)
+	{
+		F16::gearDown = limit(F16::gearDown - dt/2, 0.0, 1.0);
+	} else if (F16::gearDown < F16::GearCommand)
+	{
+		F16::gearDown = limit(F16::gearDown + dt/2, 0.0 ,1.0);
+	}; 
+
 	/* CJS - Removed hack to filter out flight controller if on ground
 	if(F16::weight_on_wheels)
 	{
@@ -825,9 +839,16 @@ void ed_fm_set_draw_args (EdDrawArgument * drawargs,size_t size)
 	drawargs[28].f   = (float)limit(((F16::throttleInput-80.0)/20.0),0.0,1.0);
 	drawargs[29].f   = (float)limit(((F16::throttleInput-80.0)/20.0),0.0,1.0);
 	*/
-
-	F16::gearDown = (float)drawargs[0].f;  // 1.0 = down;
-
+	if (F16::simInitialized)
+	{
+		F16::GearCommand = drawargs[500].f;
+	} else {
+		drawargs[500].f = (float)F16::GearCommand;
+	}
+	F16::WheelBrakeCommand = drawargs[501].f;	
+	F16::weight_on_wheels = limit(drawargs[504].f + drawargs[505].f + drawargs[506].f, 0.0, 1.0);
+	// Just going to use wheight on any wheel...
+
 	//Flaps
 	drawargs[9].f = (float)F16::flap_PCT;
 	drawargs[10].f = (float)F16::flap_PCT;
@@ -844,8 +865,6 @@ void ed_fm_set_draw_args (EdDrawArgument * drawargs,size_t size)
 	drawargs[17].f = (float) F16::rudder_PCT;
 	drawargs[18].f = (float)-F16::rudder_PCT;
 
-	//Nose Gear Steering
-	drawargs[2].f = (float) F16::rudder_PCT;
 
 	drawargs[28].f   = (float)limit(((F16::throttleInput-80.0)/20.0),0.0,1.0);
 	drawargs[29].f   = (float)limit(((F16::throttleInput-80.0)/20.0),0.0,1.0);
@@ -858,7 +877,49 @@ void ed_fm_configure(const char * cfg_path)
 
 double ed_fm_get_param(unsigned index)
 {	
-
+	/* Gear positions */
+	if (index == ED_FM_SUSPENSION_0_GEAR_POST_STATE)
+	{
+		return F16::gearDown;
+	}
+	if (index == ED_FM_SUSPENSION_1_GEAR_POST_STATE)
+	{
+		return F16::gearDown;
+	}
+	if (index == ED_FM_SUSPENSION_2_GEAR_POST_STATE)
+	{
+		return F16::gearDown;
+	}
+	if (index == ED_FM_SUSPENSION_0_DOWN_LOCK)
+	{
+		return F16::gearDown;
+	}
+	if (index == ED_FM_SUSPENSION_1_DOWN_LOCK)
+	{
+		return F16::gearDown;
+	}
+	if (index == ED_FM_SUSPENSION_2_DOWN_LOCK)
+	{
+		return F16::gearDown;
+	}
+
+	/* Gear brakes */
+	if (index == ED_FM_SUSPENSION_1_RELATIVE_BRAKE_MOMENT)
+	{
+		return F16::WheelBrakeCommand * 1;
+	}
+	if (index == ED_FM_SUSPENSION_2_RELATIVE_BRAKE_MOMENT)
+	{
+		return F16::WheelBrakeCommand * 1;
+	}
+
+
+	/* Nosewheel steering */
+	if (index == ED_FM_SUSPENSION_0_WHEEL_YAW)
+	{
+		return limit(F16::rudder_DEG * 0.012,-1.0,1.0);
+	}
+
 	if (index <= ED_FM_END_ENGINE_BLOCK)
 	{
 		switch (index)
@@ -884,12 +945,14 @@ double ed_fm_get_param(unsigned index)
 
 void ed_fm_cold_start()
 {
-
+	//F16::gearDown = 1;
+	//F16::GearCommand = 1;
 }
 
 void ed_fm_hot_start()
 {
-
+	//F16::gearDown = 1;
+	//F16::GearCommand = 1;
 }
 
 void ed_fm_hot_start_in_air()