Howto:Build and run FlightGear on Raspberry Pi 4: Difference between revisions

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[[File:Jstest-gtk Joystick Calibration.jpg|thumb|Joystick calibration using jstest-gtk dialog box.]]
[[File:Jstest-gtk Joystick Calibration.jpg|thumb|Joystick calibration using jstest-gtk dialog box.]]
<big>'''Saitek Saitek Pro Flight Quadrant'''</big>
This throttle quadrant is now produced by Logitech and works with FG and the Raspberry Pi4. If used with a single engine aircraft or a multi engine aircraft where the engines are controlled with one stick on the quadrant, this will be a plug and play setup. However, there will be a noticeable dead band in the middle of the travel. Furthermore, it is possible that all the usable stick travel is not utilized. Both of these issues can be addressed by calibrating the quadrant as in the joystick example above. Below is the calibration data before calibration and below that is the data after calibration. Notice that the center dead band is removed.
{| class="wikitable"
|-
! Axis !! CenterMin !! CenterMax !! RangeMin !! RangeMax
|-
| 0 || 112 || 124 || 15 || 239
|-
| 1 || 112 || 124 || 15 || 239
|-
| 2 || 112 || 124 || 15 || 239
|}
After calibration below:
{| class="wikitable"
|-
! Axis !! CenterMin !! CenterMax !! RangeMin !! RangeMax
|-
| 0 || 127 || 127 || 0 || 255
|-
| 1 || 127 || 127 || 0 || 255
|-
| 2 || 127 || 127 || 0 || 255
|}
If this quadrant is used with a multi engine aircraft and each engine throttle is controlled by a separate quadrant lever, the levers will only use half of its travel. In order to resolve this, the joystick configuration file will need a small edit. This file is located in homepi/.fgfs/Input, assuming your user name is ‘pi’.


==Compiling ==
==Compiling ==
==Performance settings ==
==Performance settings ==
==Interfacing==
==Interfacing==
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