176 lines
3.2 KiB
Bash
Executable file
176 lines
3.2 KiB
Bash
Executable file
#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (C) 2023-present - The JELOS Project (https://github.com/JustEnoughLinuxOS)
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#
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# A simple tool to manipulate the controller LEDs using ectool, thanks to
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# Maya Matuszczyk (https://github.com/Maccraft123) for reverse engineering.
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#
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# Schema:
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#
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# 0x6d - LED PWM control (0x03)
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#
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# 0xb1 - Support for 4 zones and RGB color
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#
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# RGB colors:
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#
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# 1 - Red
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# 2 - Green
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# 3 - Blue
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#
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# Zones:
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#
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# Right (2), Down (5), Left (8) , Up (11)
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#
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# Note: Set 0xb1 to 02 for off.
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#
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# 0xb2 - Sets brightness, requires b1 to be set at the same time.
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#
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# 00-ff - brightness from 0-255. Not noticeable to me above 128.
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#
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# 0xbf - Set expected mode
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#
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# 0x10 - Enable
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# 0xe2 - Tint (+ Red for Purple, + Green for Teal)
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# 0xe3-0e5 - Tint + blink (unused)
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#
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# 0xff - Close channel
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#
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. /etc/profile
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ECTOOL="/usr/sbin/ectool"
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DEBUG=false
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function debug_out() {
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$DEBUG && echo "ledcontrol: $*"
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}
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function ec_writecmd() {
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${ECTOOL} -w 0x6d -z 0x03 >/dev/null 2>&1
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}
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function mode() {
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debug_out "Set mode ${1}"
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${ECTOOL} -w 0xbf -z ${1} >/dev/null 2>&1
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${ECTOOL} -w 0xbf -z ff >/dev/null 2>&1
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}
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function off() {
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ec_writecmd
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for twice in 1 2
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do
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### RGB off command
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${ECTOOL} -w 0xb1 -z 0x02 >/dev/null 2>&1
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${ECTOOL} -w 0xb2 -z 0xc0 >/dev/null 2>&1
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mode 0x10
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done
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}
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function brightness() {
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debug_out "Set brightness ${1}"
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${ECTOOL} -w 0xb2 -z 0x${1} >/dev/null 2>&1
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mode 0x10
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}
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function color() {
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## Writing twice seems more reliable than inserting a delay.
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for twice in 1 2
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do
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for zone in 2 5 8 11
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do
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zone=$(( ${zone} + ${1} ))
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zone=$(printf '%02x' ${zone})
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debug_out "Set color 0x${zone}"
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${ECTOOL} -w 0xb1 -z 0x${zone} >/dev/null 2>&1
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brightness ${2}
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done
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done
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}
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GETBRIGHTNESS=$(get_setting led.brightness)
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if [ ! -z "${2}" ]
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then
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LEDBRIGHTNESS=${2}
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debug_out "Arg[2]: ${2}"
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elif [ ! -z "${GETBRIGHTNESS}" ]
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then
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LEDBRIGHTNESS=${GETBRIGHTNESS}
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debug_out "GETBRIGHTESS: ${GETBRIGHTNESS}"
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else
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debug_out "NO SETTING: min"
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LEDBRIGHTNESS=min
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set_setting led.brightness min
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fi
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case ${LEDBRIGHTNESS} in
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max)
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LEDBRIGHTNESS=ff
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set_setting led.brightness max
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;;
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mid)
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LEDBRIGHTNESS=a8
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set_setting led.brightness mid
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;;
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min)
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LEDBRIGHTNESS=54
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set_setting led.brightness min
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;;
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esac
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debug_out "led brightness: ${LEDBRIGHTNESS}"
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case $1 in
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red)
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off
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color 1 ${LEDBRIGHTNESS}
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set_setting led.color red
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;;
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green)
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off
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color 2 ${LEDBRIGHTNESS}
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set_setting led.color green
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;;
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blue)
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off
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color 3 ${LEDBRIGHTNESS}
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set_setting led.color blue
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;;
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teal)
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off
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mode 0xe2
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color 2 ${LEDBRIGHTNESS}
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set_setting led.color teal
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;;
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purple)
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off
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mode 0xe2
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color 1 ${LEDBRIGHTNESS}
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set_setting led.color purple
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;;
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off)
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off
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set_setting led.color off
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;;
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default)
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del_setting led.color
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del_setting led.brightness
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;;
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brightness)
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COLOR=$(get_setting led.color)
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if [ ! -z "${COLOR}" ]
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then
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off
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ledcontrol ${COLOR} ${LEDBRIGHTNESS}
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fi
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;;
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*)
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COLOR=$(get_setting led.color)
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if [ ! -z "${COLOR}" ]
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then
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off
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ledcontrol ${COLOR} ${LEDBRIGHTNESS}
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fi
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;;
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esac
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