fatkelp

fatkelp is a program that forwards events from /dev/input/eventX to /dev/uinput and also remap keys

Usage

Redirect second keyboard to /dev/uinput

Find the id of the second keyboard, in this case it is 15

 nanashi$ xinput list
⎡ Virtual core pointer                          id=2    [master pointer  (3)]
⎜   ↳ Virtual core XTEST pointer                id=4    [slave  pointer  (2)]
⎜   ↳ SIGMACHIP Usb Mouse                       id=9    [slave  pointer  (2)]
⎜   ↳ SEMICO USB Keyboard Consumer Control      id=11   [slave  pointer  (2)]
⎜   ↳ SEMICO USB Keyboard Consumer Control      id=16   [slave  pointer  (2)]
⎣ Virtual core keyboard                         id=3    [master keyboard (2)]
    ↳ Virtual core XTEST keyboard               id=5    [slave  keyboard (3)]
    ↳ Power Button                              id=6    [slave  keyboard (3)]
    ↳ Video Bus                                 id=7    [slave  keyboard (3)]
    ↳ Power Button                              id=8    [slave  keyboard (3)]
    ↳ SEMICO USB Keyboard                       id=10   [slave  keyboard (3)]
    ↳ SEMICO USB Keyboard System Control        id=12   [slave  keyboard (3)]
    ↳ SEMICO USB Keyboard Consumer Control      id=14   [slave  keyboard (3)]
    ↳ C-Media Electronics Inc. USB Audio Device id=13   [slave  keyboard (3)]
    ↳ SEMICO USB Keyboard                       id=15   [slave  keyboard (3)]
    ↳ SEMICO USB Keyboard Consumer Control      id=17   [slave  keyboard (3)]
    ↳ SEMICO USB Keyboard System Control        id=18   [slave  keyboard (3)]

Deattach second keyboard

xinput float 15

Find keyboard, in this case it is 15

nanashi$ sudo fatkelp -l
[sudo] password for nanashi: 
15       SEMICO USB Keyboard System Control
14       SEMICO USB Keyboard Consumer Control
13       SEMICO USB Keyboard
2        C-Media Electronics Inc. USB Audio Device
12       HDA ATI HDMI HDMI/DP,pcm=9
11       HDA ATI HDMI HDMI/DP,pcm=8
10       HDA ATI HDMI HDMI/DP,pcm=7
9        HDA ATI HDMI HDMI/DP,pcm=3
8        PC Speaker
7        Video Bus
6        SEMICO USB Keyboard System Control
5        SEMICO USB Keyboard Consumer Control
4        SEMICO USB Keyboard
3        SIGMACHIP Usb Mouse
1        Power Button
0        Power Button

Forward /dev/input/event15 to /dev/uinput

sudo fatkelp -x 15

Installation

Run the following command as root(su or sudo)

curl https://raw.githubusercontent.com/nanashi-1/fatkelp/main/installer.sh > installer.sh; chmod +x installer.sh; sudo ./installer.sh

Install dependencies

pip install evdev