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Raspberry Pi Forum Keymap trigger GPIO output
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Related

Keymap trigger GPIO output

l206072
l206072 over 8 years ago

Hello

 

 

is there a way to edit the keymap of a usb keyboard on the pi so that i can configure it so that when alt+f1 is pressed it runs a python script which turns on a GPIO channel ?

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  • shabaz
    0 shabaz over 8 years ago

    There may be several ways to achieve what you want, but more info would be needed (e.g. for your use-case, can the Pi be dedicated to running just one application that waits for a keypress to execute the Python script).

    Otherwise, this might help (I've not tried it, but they give an example where a keyboard combination will run a browser, so the principle is similar):

    https://askubuntu.com/questions/254424/how-can-i-change-what-keys-on-my-keyboard-do-how-can-i-create-custom-keyboard

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  • balearicdynamics
    0 balearicdynamics over 8 years ago in reply to shabaz

    What should be known is if the keyboard event(s) should be intercepted always of only when some kind of application are running. This determine how depth the key-catching should be done. But in general under Linux it is possible to att with few lines of code a background process enabled by certain keys sequences.

     

    Enrico

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