A collection of scripts
yemou.pink
1#!/bin/sh
2# Change the LEDs of a DualShock4 Controller
3
4usage() {
5 printf '%s\n' "usage: ${0##*/} hex|rgb color" \
6 "${0##*/} accepts hex values (ffffff) or rgb values (255,255,255)"
7}
8
9[ "$2" ] || { usage; exit 1; }
10
11hex2rgb() {
12 hex=$1
13 hex_r=${hex%????}
14 hex_g=${hex#??}; hex_g=${hex_g%??}
15 hex_b=${hex#????}
16 printf '%d,%d,%d' "0x$hex_r" "0x$hex_g" "0x$hex_b"
17}
18
19ds4leds() {
20 vendorid="054C"
21 productid="05C4"
22 led_path="/sys/class/leds"
23
24 IFS=, read -r rgb_r rgb_g rgb_b <<-EOF
25 $1
26 EOF
27
28 printf '%s' "$rgb_r" | tee "$led_path/"*"$vendorid:$productid"*":red/brightness" > /dev/null
29 printf '%s' "$rgb_g" | tee "$led_path/"*"$vendorid:$productid"*":green/brightness" > /dev/null
30 printf '%s' "$rgb_b" | tee "$led_path/"*"$vendorid:$productid"*":blue/brightness" > /dev/null
31}
32
33case $1 in
34 hex ) ds4leds "$(hex2rgb "$2")" ;;
35 rgb ) ds4leds "$2" ;;
36 *h|*help ) usage; exit 0 ;;
37esac