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    linux-input-device

    2.0.0 • Public • Published

    node-linux-input-device

    Native addon to communicate with linux input devices.

    Installation

    Install with npm:

    $ npm install linux-input-device

    API

    new LinuxInputListener( String devicePath )

    Creates a new LinuxInputListener instance.

    • path A path to a linux input device

    Event: state( Boolean state, Number keyCode, String keyKind )

    Fired when a key state changes or when a key is queried.

    • state True if the key is pressed, false otherwise
    • keyCode Code of the key whose state has changed
    • keyKind Category of the key.

    String[] LinuxInputListener.KEY_KINDS

    Array containing all supported key kinds, like EV_KEY, EV_SW, or EV_LED.

    LinuxInputListener.query( String keyKind, Number keyCode )

    Query the current key. Also fires the state event.

    • keyCode Code of the key whose state to query
    • keyKind Category of the key. Must be one of the strings in LinuxInputListener.KEY_KINDS

    LinuxInputListener.close([Function callback()])

    Closes the current device and invoke callback when the device is closed.

    • callback() [optional] A callback function

    Examples

    var LinuxInputListener = require('linux-input-device');
    
    var SW_LID = 0x00;
    
    var input = new LinuxInputListener('/dev/input/event0');
    
    input.on('state', function(value, key, kind) {
        console.log('State is now:', value, 'for key', key, 'of kind', kind);
    });
    
    input.on('error', console.error);
    
    //start by querying for the initial state.
    input.on('open' => input.query('EV_SW', SW_LID));
    
    

    Install

    npm i linux-input-device

    DownloadsWeekly Downloads

    40

    Version

    2.0.0

    License

    ISC

    Last publish

    Collaborators

    • robinbolscher
    • weejewel
    • athombv-github-actions