Merged and updated keybindings with other keybindings mod https://www.digitalcombatsimulator.com/en/files/3318794/
OVGME and JSGME compatible

See here
https://forums.eagle.ru/topic/293009-controlling-hud-brightness-hsd-course-heading-altimeter-radar-alt-ammo-counter-etc-with-a-novation-midi-controller/

Besides 128 switches I can now control via axis:

    altimeter baro setting
    radar altimeter setting
    HUD brightness
    HUD trim
    HSD brightness
    VDI trim
    VDI brightness
    HSD Course (ROTARY ENCODER)
    HSD heading (ROTARY ENCODER)
    gun ammo count (ROTARY ENCODER)

Note that the last 3 need rotary encoders and will not work so well with a joystick binding. If you get the hang of it you can still control them or use my script that emulates rotary encoder from virtual joystick in the forum post.