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With the Logitech K700 (Logitech Revue) wireless keyboard/trackpad combo, is there any way to emulate the function keys (F1-F12)? EmulationStation, which is the frontend for RetroPie, uses function keys to exit games and perform some other important system functions.

I'll take as much info as I can get about making this keyboard/trackpad work better with the Pi.

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  • Which keys do you want to remap? The numeric 1..0, - and + keys? – Lekensteyn Jul 9 '13 at 20:29
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    It looks like EmulationStation has a way to reconfigure the key bindings. I would ask them how. – Craig Jul 9 '13 at 20:53
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    You could always remap some keys in the debian, if Craig's solution is not working. e.g. linuxscrew.com/2008/09/15/… (I think this requires X, and I'm not sure RetroPie uses X) – Gerben Jul 10 '13 at 13:54
  • Remapping the functions in specific apps is nice, but if there was also a way to emulate the actual key press using the built-in function key on the keyboard or some other combination, it would be really good to know. Then I can just Ctrl-Alt-(F1 equivalent) like I usually do, as well as being able to use more default key settings for prebuilt images. If not, I can learn to cope. – Zoot Jul 10 '13 at 16:06
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to emulate function keys F1 - F12 on a standard US keyboard (equaling your Logitech K700 design) I suggest to do the following:

first create some file e.g. '/etc/X11/Xmodmap' with these contents:

keycode 66 = Mode_switch

keycode 10 = 1 exclam F1
keycode 11 = 2 at F2
keycode 12 = 3 numbersign F3
keycode 13 = 4 dollar F4
keycode 14 = 5 percent F5
keycode 15 = 6 asciicircum F6
keycode 16 = 7 ampersand F7
keycode 17 = 8 asterisk F8
keycode 18 = 9 parenleft F9
keycode 19 = 0 parenright F10
keycode 20 = minus underscore F11
keycode 21 = equal plus F12

second do a

xmodmap /etc/X11/Xmodmap

this will map a 'caps lock' key pressed together with some '1' - '=' key to F1 - F12.

Certainly you may define any other mode switch key than 'caps lock' for this. I personally like to use 'caps lock' for such purposes because I consider it absolutely useless if used in it's traditional way.

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  • This solution assumes that X is running, correct? – Zoot Jul 15 '13 at 19:27
  • correct. Nobody says a few words about this RetroPie thing. Is it based on X at all? – sparkie Jul 15 '13 at 20:16
  • github.com/petrockblog/RetroPie-Setup/wiki/… I don't think RetroPie usually uses X, but I may be wrong about that. These directions are still very good. Thank you. – Zoot Jul 16 '13 at 13:16

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