Fsx Joystick Assignments File

Imagine for a brief moment that you are driving an automobile with a wheel alignment problem; the vehicle will want to travel in the direction of the misalignment causing undue stress on the steering components, excessive tyre wear, and frustration to the driver. 

Similarly, if the main flight controls are not accurately calibrated; roll and pitch will not be correctly simulated causing flight directional problems, frustration and loss of enjoyment.

Flight controls are usually assigned and calibrated in a two-step process, first in Windows, then either by using the internal calibration provided in the FSX/FS10 software, or using the functionality provided by FSUIPC.

In this post, the method used to assign and calibrate the main flight controls (yoke, control column and rudder pedals) in FSX/FS10 and FSUIPC will be discussed.  The common theme will be the calibration of the ailerons, although these methods can calibrate other controls. The calibration of the throttle unit will not be discussed.

Many readers have their controls tweaked to the tenth degree and are pleased with the results, however, there are 'newcomers' that lack this knowledge.  I hope this post will guide them in the 'right direction'.

STEP 1 - Registering Control Devices in Windows

All flight controls use a joystick controller card or drivers to connect to the computer.   This card must be registered and correctly set-up within the Windows operating system before calibration can commence.  

  • Type ‘joy’ into the search bar of the computer to open the ‘game controllers set-up menu’ (set-up USB game controllers).  This menu will indicate the joystick controller cards that are attached to the computer (Figure 1). 
  • Scroll through the list of cards and select the correct card for the flight control device.  Another menu screen will open when the appropriate card is selected.  In this menu, you can visually observe the movements of the yoke, rudder pedals and any yoke buttons that are available for assignment and use.  The movement of the controls will be converted to either a X,Y or Z axis (Figure 1).
  • Follow the on-screen instructions, which usually request that you move the yoke in a circular motion, stopping at various intervals to depress any available button on the device.  The same process is completed for the movement of the control column (forward and aft) and the rudder pedals (left and right).  Once completed, click ‘save’ and the profile will be saved as an .ini file in Windows.

FIGURE 1:  Game Controllers Menu in Windows (registering joystick controllers).

Registration is a relatively straightforward process, and once completed does not have to be repeated, unless you either change or reinstall the operating system, or recover from a major computer crash, which may have corrupted or deleted the joystick controller’s .ini file. 

STEP 2 - Assigning Flight Control Functionality in FSX/FS10

  • Open FSX/FS10 and select from the menu ‘Options/Settings/Controls’.  The calibration, button key and control axis tab will open (Figure 2).
  • Select the ‘Control Axis’ tab. When the tab opens, two display boxes are shown.  The upper box displays the joystick controller cards connected to the computer while the larger lower box displays the various functions that can be assigned.  The functions that need to be assigned are ailerons, elevators and rudders.
  • Select/highlight the appropriate entry (i.e. ailerons) from the list and click the ‘Change Assignment’ tab.  This will open the ‘change assignment’ tab (Figure 3).  Physically move the yoke left and right to its furthest extent of travel and the correct axis will be assigned.  To save the setting, click the ‘OK’ button. 
  • When you re-open the ‘Control Axis’ tab you will observe that the function now has an axis assigned and this axis is identical to the axis assigned by Windows when the device was registered.  You will also note a small box labelled ‘Reverse’.  This box should be checked (ticked) if and when the movement of the controls is opposite to what is desired (Figure 3). 
  • Save the set-up by clicking the ‘OK’ button.

FIGURE 2:  FSX/FS10 Settings and Controls Tab.

FIGURE 3:  FSX/FS10 Change Assignment Menu.

STEP 3 - Calibrating Flight Controls in FSX/FS10

The flight control functions that have been assigned must now be calibrated to ensure accurate movement.   

  • First, select and open the ‘Calibration’ tab.  Ensure the box labelled Eenable Controllers(s)’ is checked (ticked) (Figure 4).
  • The correct joystick controller card must be selected from the list displayed in the box beside the controller type label.

Whether simple or advanced controls are selected is a personal preference.  If advanced controls are selected, the various axis assignments will be shown in the display box.  The axis, sensitivity and null zone can be easily adjusted using the mouse for each of the flight controls (ailerons, elevators and rudders). 

Concerning the sensitivity and null zone settings.  Greater sensitivity causes the controls to respond more aggressively with minimal physical movement, while lesser sensitivity requires more movement to illicit a response.  It is best to experiment and select the setting that meets your requirement.

The null zone creates an area of zero movement around the centre of the axis.  This means that if you create, for example, a small null zone on the ailerons function, then you can move the yoke left and right for a short distance without any movement being registered. 

Creating a null zone can be a good idea if, when the flight controls are released, their ability to self-center is not the best.  Again, it is best to experiment with the setting.  To save the settings click the ‘OK’ button.  

FIGURE 4:  FSX/FS10 Settings and Controls.

This completes the essential requirements to calibrate the flight controls; however, calibration directly within FSX/FS10 is rather rudimentary and if greater finesse/detail is required then it is recommended to use FSUPIC.  

FSUIPC Software

FSUIPC pronounced 'FUKPIC 'stands for Flight Simulator Universal Inter-Process Communication, a fancy term for a software interface that allows communication to be made within flight simulator.  The program, developed by Peter Dowson, is quite complex and can be downloaded from his website.  FSUIPC allows many things to be accomplished in flight simulator; however, this discussion of FSUIPC, will relate only to the assigning and calibrating of the flight controls.

It is VERY important that if FSUIPC is used, the FSX/FS10 ‘Enable Controllers’ box is unchecked (un-ticked) and the joystick axis assignments that are to be calibrated in FSUPIC be deleted.  Deleting the assignments in optional; however, recommended.  The flight controls will only function accurately with calibration by FSX/FS10 or FSUIPC - not both. 

STEP 1 - Assigning Flight Controls Using FSUIPC

  • Open FSX/FS10 and from the upper menu on the main screen select Aadd Ons/FSUIPC’.  This will open the FSUIPC options and settings interface (Figure 5).
  • Navigate to the ‘Axis Assignment’ tab to open the menu to assign the flight controls to FSUIPC for direct calibration (Figure 6).
  • Move the flight controls to the full extent of their movement.  For example, turn the yoke left and right or push/pull the control column forward and aft to the end of their travel.  You will observe that FSUPIC registers the movement and shows this movement by a series of numbers that increase and decrease as you move the flight controls.  It will also allocate an axis letter.
  • At the left side of the menu (Figure 6) is a label ‘Type of Action Required’; ensure ‘Send Direct to FSUIPC Calibration’ is checked (ticked).  Open the display menu box directly beneath this and select/highlight the flight control functionality (ailerons, elevator or rudder pedals).  Check (tick) the box beside the function.

FIGURE 5:  FSUIPC Main Menu.

FIGURE 6:  FSUPIC Axis Assignments.

Calibrating Flight Controls Using FSUIPC

  • Select the Joystick Calibration’ tab.  This will open an 11 page menu in which you calibrate the flight controls in addition to other controls, such as multi-engine throttles, steering tiller, etc.  Select page 1/11 'main flight controls' (Figure 7)
  • Open the ‘Aileron, Elevator and Rudder Pedals’ tab (1 of 11 main flight controls).  Note beside the function name there are three boxes labelled ‘set’ that correspond to min, centre and max.  There is also a box labelled ‘rev’ (reverse) which can be checked (ticked) to reverse the directional movement of the axis should this be necessary.  The tab labelled ‘reset’ located immediately below the function name opens the calibration tool.  The ‘profile specific’ box is checked (ticked) when you want the calibration to only be for a specific aircraft; otherwise, the calibration will be for all aircraft (global).  The box labelled filter is used to remove spurious inputs if they are noted and for the most part should be left unchecked (not ticked).  The tab labelled ‘slope’ will be discussed shortly.
  • Click the ‘reset’ tab for the ailerons and open the calibration tool.  Move the yoke to the left hand down position to its furthest point of travel and click ‘set’ beneath max.  Release the yoke and allow it to center.  Next, move the yoke to the right hand down position to its furthest point of travel and click ‘set’ beneath min.  Release the yoke and allow it to center.  If a null zone is not required, click the ‘set’ beneath centre.

If a problem occurs during the calibration, the software will beep indicating the need to restart the calibration process.  The basic calibration of the yoke is now complete.  However, to achieve greater accuracy and finesse it is recommended to use null zones and slope functionality.

FIGURE 7:  FSUIPC Joystick Calibration (ailerons, elevator, rudder).

Null Zones

The null zone concept has been discussed earlier in this article.

If a null zone is required either side of the yoke center position, move the yoke to the left a short distance (1 cm works well) and click ‘set’ beneath centre.  Next, move the yoke 1 cm to the right and click ‘set’ beneath centre.  

As you move the yoke you will observe in the side box a series of numbers that increase and decrease; these numbers represent the movement of the potentiometer.  It is not important to understand the meaning of the numbers, or to match them.

Replicate the same proceedure to calibrate the elevators and rudder pedals (and any other controller devices)

To save the setting to the FSUIPC.ini file click ‘OK’

It is a good idea to save the FSUIPC.ini file as if a problem occurs at a later date, the calibration file can easily be resurrected.  The FSUIPC.ini file is located in the modules folder that resides in the FSX/FS10 route folder.  

Slope Functionality

Slope functionality is identical to the sensitivity setting in FSX/FS10.  Decreasing the slope (negative number) causes the controls to be more sensitive when moved, while a positive number reduces the sensitivity. To open the slope calibration, click the ‘slope’ tab.  This will open a display box with an angled line.  Manipulating the shape of this line will increase or decrease the sensitivity.

Slope functionality, like the null zone requires some experimentation to determine what setting is best.  Different flight controls have differing manufacturing variables, and manipulating the slope and null zone allows each unit to be finely tuned to specific user preferences.

Does FSUIPC make a Difference to the Accuracy of the Calibration ?

In a nutshell – yes.  Whilst the direct assignment and calibration in FSX/FS10 is good, it is only rudimentary.  FSUIPC enables the flight controls to be more finely adjusted equating to a more stable and predictable response to how the controls react.

Potential Problems

If using FSUIPC for axis assignment and calibration, remember to uncheck (not tick) the ‘enable controller’ box and delete the axis assignments in FSX/FS10 – only one program can calibrate and control the flight controls at any one time.  If FSX/FS10 and FSUIPC are both engaged simultaneously, spurious results will occur when the flight controls are used.

If the calibration accuracy of the flight controls is in doubt (spurious results), it is possible that the simulator software has inadvertently reassigned the axis assignments and enabled calibration.  

An intermittent issue does exist in FSX/FS10 in which the software occasionally enables the controllers and reassigns the axis assignment, despite these settings having been deleted (I am unsure why this occurs).  If a problem should occur with the accuracy of the calibration, before, re-calibrating the controls using FSUIPC, always check the calibration box and assignments in FSX/FS10 and ensure these settings have not inadvertently been enabled.  

Final Call

Many enthusiasts are quick to blame the hardware, flight avionics or aircraft package, when they find difficulty in being able to control the flight dynamics of their chosen aircraft.  More often than not, the problem has nothing to do with the software or hardware used, but more to do with the calibration of the hardware device.

The above steps demonstrate the basics of how to calibrate the flight controls - in particular the ailerons.  If care is taken and you are precise when it comes to fine-tuning the calibration, you maybe surprised that you are now able to control that 'unwanted pitch' during final approach.

Further Information and Reading

The following documents are invaluable in understanding FSUIPC and its advanced features.  In addtion, a link demonstrates how to calibrate the steering tiller.

  1. 07-24-2016, 06:14 AM#1
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    Recover Joystick Button Assignment

    All my joystick button assignments are set to my liking.

    One particular aircraft changes those button assignments.

    If I load a different aircraft, it does not revert back to my button assignments.

    If I do a reset of controls to default, it goes back to FSX's original assignments.

    The only way I can get back to my assignments is to completely close FSX and restart it.

    After using that one particular aircraft, how can I recover my settings without exiting FSX?

    Any help is appreciated.

  2. 07-24-2016, 07:33 AM#2

    Which aircraft is it (stock FSX Gold or Steam, freeware or payware), or is it a secret?
    You can tell us, most of us are nice people and regularly shower, comb our hair, brush our teeth and tickle fluffy kittens..
  3. 07-24-2016, 09:17 AM#3
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    Hooked since FS4... now flying:
    self-built i7-4790 at 4 GHz; GA-Z97X mobo; GTX 970; 16GB gskill;
    quiet, fast and cool running.
    Win 7/64: 840 EVO OS; 840 EVO (500G) game drive;
    Win10/64: 850 EVO (500G) for OS and games
    A few Flightsim videos on YouTube at CanyonCorners
    The sim uses the standard.xml file in the appdata folder tree as the functional controls list. There is another standard.xml file in the sim ROOT folder - this is the default copy and is used to overwrite the active version when you press the 'reset' key. After making a copy of this file you can make your preferred settings the default by replacing the original in FSX root folder.

    You could even have different versions in either location for special needs so you wouldn't have to keep changing them manually (in game) at the time you choose that 'special' aircraft. Or boat; or whatever.

    Loyd
  4. 07-24-2016, 09:46 AM#4
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    Last edited by Ray Hff; 07-24-2016 at 10:11 AM.
    I understand your root folder explanation. Thank you.

    In my case, the few aircraft that change the view settings cause me the problem. (I use my joystick buttons to switch views.)

    After changing back to any another aircraft, my original view settings don't change back to my settings.

    The current aircraft in question is the new C-47 V3. If I run it my view settings are changed. If I change back to another aircraft, it just stays that way.

    To recover/reload my settings, reloading an aircraft or resetting a flight doesn't cause it to fall back as I would like.

    I'm really looking for was a way to force the reload of my controls as defined in my standard.xml and camera cfg file.

    The only solution I've found so far, is to close and reload FSX.
  5. 07-24-2016, 10:19 AM#5
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    GPU: GeForce GTX 1080
    CPU: Intel Core i7-7700K [email protected]
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    Operating System: Windows 10 Home Edition
    I found using FSUIPC solved all those problems and many more. You can set up all your aircraft the same way or each one individually.
  6. 07-24-2016, 12:53 PM#6
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  7. 07-24-2016, 01:29 PM#7
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    Mr. Zippy
    Thanks for the try. Tried it, but no joy.

    Have found this from Microsoft, "....cameras.cfg file (located in app data) is only reloaded when the game is restarted."

    As for setting up every plane with their own camera calls, I'd rather wait and find an easy way to reload this static information without all that effort. (Like most, I've have a lot of aircraft.)
  8. 07-24-2016, 01:36 PM#8
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    Hi Ray,
    I'm extremely skeptical that what you say regarding an aircraft changing any settings in Standard.xml is accurate. I, too, have my view settings assigned to keys on my controller. One key to cycle view categories and another to cycle views within the category. Here's the only thing that I can think of that might be causing what you're experiencing: a dramatic change in location of an aircraft from where a flight was saved can result in the views within a category point in the wrong direction. Assigning a key to the command to reload the aircraft will fix this. Without more specifics that's the only thing I can think of.
    Jim F.
  9. 07-24-2016, 02:41 PM#9
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    The change is in the view settings. Whether that's from a change to the camera.cfg or standard.xml, I am uncertain.

    But it is a fact. Once changed by the one aircraft, the views do not appear to be recoverable in any way except by restart of the FSX.
  10. 07-24-2016, 03:03 PM#10
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    Hi Ray,
    Could you be specific about what views are being changed when changing aircraft? Under normal circumstances Standard.xml will only be modified by intentional re-assignment of the keys; Cameras.cfg can only be modified by manually editing the file.
    What you're experiencing is not normal. Different cockpit views are defined in the Cameradefinitions in the Aircraft.cfg for each aircraft and can vary from aircraft to aircraft but should not carry over to another aircraft.
    And what specifically do you mean when you say the "views do not appear to be recoverable"? And did you try an "Aircraft (reload)"?
    Jim F.

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