https://github.com/tedezed/cmstrom_led_control

Cmstrom led control for Linux
https://github.com/tedezed/cmstrom_led_control

cpp keyboard linux

Last synced: 7 days ago
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Cmstrom led control for Linux

• Host: GitHub
• URL: https://github.com/tedezed/cmstrom_led_control
• Owner: Tedezed
• Created: 2020-05-08T20:15:56.000Z (over 4 years ago)
• Default Branch: master
• Last Pushed: 2023-10-07T11:44:46.000Z (about 1 year ago)
• Last Synced: 2023-10-08T10:31:44.855Z (about 1 year ago)
• Topics: cpp, keyboard, linux
• Language: C++
• Size: 59.6 KB
• Stars: 0
• Watchers: 3
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# CMSTROM led control for Linux

Code designed for this specific keyboard **Cooler Master CM Storm Devastator**, but easily modifiable for others, modify variables: `led_path` and `kbd`



### Install

- Build: `g++ cmstrom_led.cpp -o cmstrom_led -lncurses`

- Check that it works correctly: `./cmstrom_led`

- Install: `sudo cp -f cmstrom_led /bin/`

Get input id:

```

$ ls /sys/class/leds/

input7::capslock  input7::numlock  input7::scrollloc

```

Check path:

```

$ ls /sys/class/leds/input7::scrolllock/brightness

/sys/class/leds/input7::scrolllock/brightness

```

Input is 7 in my case.

##### Option 1 - Create: `/etc/systemd/system/cmstrom_led.service`

```

iption=/bin/cmstrom_led

ConditionPathExists=/bin/cmstrom_led

 

[Service]

Type=simple

User=root

ExecStart=/bin/bash -c "/bin/cmstrom_led $(ls /sys/class/leds/ | grep scroll | cut -d ':' -f1 | sed 's/input//g')"

TimeoutSec=0

StandardOutput=tty

RemainAfterExit=yes

SysVStartPriority=99

 

[Install]

WantedBy=multi-user.target

```

Reload units: `systemctl daemon-reload`

Enable unit: `sudo systemctl enable cmstrom_led && systemctl start cmstrom_led`

##### Option 2 - Create: `/etc/rc3.d/S01cmstrom_led.sh`

```

#!/bin/sh -e

/bin/bash -c "/bin/cmstrom_led $(ls /sys/class/leds/ | grep scroll | cut -d ':' -f1 | sed 's/input//g')" &

exit 0

```

Permissions: `chmod +x /etc/rc3.d/cmstrom_led.sh`

### Bonus

You can see which key you are pressing, uncomment the following line: https://github.com/Tedezed/cmstrom_led_control/blob/master/cmstrom_led.cpp#L33