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@statico
Created April 5, 2022 18:50
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Controlling the Logitech Litra on MacOS
#!/usr/bin/env bash
# source: https://ultracrepidarian.phfactor.net/2022/03/09/controlling-the-logitech-litra-on-macos/
set -eo pipefail
function _hid() {
~/bin/hidapitester --vidpid 046D/C900 --open --length 20 --send-output $1
}
# 2/17/22 Litra Glow aliases from https://github.com/kharyam/litra-driver/issues/13
function light() {
_hid 0x11,0xff,0x04,0x1c,0x01
}
function dark() {
_hid 0x11,0xff,0x04,0x1c
}
# ~10%
function glow(){
_hid 0x11,0xff,0x04,0x4c,0x00,20
}
# ~20%
function dim(){
_hid 0x11,0xff,0x04,0x4c,0x00,50
}
# tweaking by hand - less than 50%
function normal() {
_hid 0x11,0xff,0x04,0x4c,0x00,70
}
# ~50%
function medium() {
_hid 0x11,0xff,0x04,0x4c,0x00,100
}
# 90%
function bright(){
_hid 0x11,0xff,0x04,0x4c,0x00,204
}
# 2700K
function warmest() {
_hid 0x11,0xff,0x04,0x9c,10,140
}
# 3200K
function warm() {
_hid 0x11,0xff,0x04,0x9c,12,128
}
# 6500K
function coldest() {
_hid 0x11,0xff,0x04,0x9c,25,100
}
$1
#!/usr/bin/env bash
export PATH="$HOME/bin:$PATH"
echo "💡"
echo "---"
echo "On | shell=$HOME/bin/litra param1=light"
echo "Off | shell=$HOME/bin/litra param1=dark"
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