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scritps/ds4-leds
-42
scritps/ds4-leds
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#!/bin/sh
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# Change the LEDs of a DualShock4 Controller
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usage() {
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printf '%s\n' "usage: ${0##*/} hex|rgb color" \
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"${0##*/} accepts hex values (ffffff) or rgb values (255,255,255)"
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}
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[ "$2" ] || { usage; exit 1; }
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hex2rgb() {
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hex=$1
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hex_r=${hex%????}
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hex_g=${hex#??}; hex_g=${hex_g%??}
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hex_b=${hex#????}
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printf '%d,%d,%d' "0x$hex_r" "0x$hex_g" "0x$hex_b"
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}
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ds4leds() {
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vendorid="054C"
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led_path="/sys/class/leds"
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case $led_path/* in
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"$led_path/"*"$vendorid:05C4"*":global" ) productid="05C4" ;;
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"$led_path/"*"$vendorid:0BA0"*":global" ) productid="0BA0" ;;
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esac
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IFS=, read -r r g b <<-EOF
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$1
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EOF
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printf '%s' "$r" | tee "$led_path/"*"$vendorid:$productid"*":red/brightness" > /dev/null
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printf '%s' "$g" | tee "$led_path/"*"$vendorid:$productid"*":green/brightness" > /dev/null
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printf '%s' "$b" | tee "$led_path/"*"$vendorid:$productid"*":blue/brightness" > /dev/null
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}
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case $1 in
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hex ) ds4leds "$(hex2rgb "$2")" ;;
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rgb ) ds4leds "$2" ;;
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*h|*help ) usage; exit 0 ;;
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esac
···