39ff5f9d8b
Removed nonsensical function, improved sensor detection with * : very important when you have multiple sensors that are changing device order when booting improved user configurable variable on the top of scrip detecting minimum illuminance to set minimum brightness inside the loop (now brightness key works)
168 lines
4.1 KiB
Bash
168 lines
4.1 KiB
Bash
#!/bin/bash
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#variables to run
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#decrease cpu usage
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Priority=19 # CPU limit, adjust as needed
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# How much light change must be seen by the sensor before it will act
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LightChange=5
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# How often it checks the sensor
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SensorDelay=1
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# Scale sensor to display brightness range
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SensorToDisplayScale=20
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# This should match your refresh rate otherwise it will either change the backlight more times than needed or too few for a smooth animation
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LevelSteps=60
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# The is should match the LevelSteps but in the actual time each event should take to see
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AnimationDelay=0.016
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# Read the variable names
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MaxScreenBrightness=937
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MinimumBrightness=1
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#minimum illuminance to get minimum brightness
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MinimimumIlluminance=0
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# 2 : Default | 1 : Add Offset | 0 : Subtract Offset, Recommended not to change
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op=2
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#place where you get the brightness of the monitor being controled and the sensor of brightness
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MonitorBrightness=/sys/class/backlight/intel_backlight/brightness
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#my sensor keep changing places, this way it will always be found with * if you have lots of sensors
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AnbientSensorIlluminance=/sys/bus/iio/devices/iio:*/in_illuminance_raw
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while getopts i:d: flag; do
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case "${flag}" in
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i) op=1
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num=${OPTARG};;
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d) op=0
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num=${OPTARG};;
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esac
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done
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if [[ -f /tmp/AB.offset ]]; then
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OffSet=$(cat /tmp/AB.offset)
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else
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OffSet=0
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echo $OffSet > /tmp/AB.offset
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chmod 666 /tmp/AB.offset
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fi
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OffSet=$((OffSet < 0 ? 0 : OffSet))
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if [[ $op -lt 2 ]]; then
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if [[ $op -eq 1 ]]; then
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OffSet=$((OffSet + num))
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else
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OffSet=$((OffSet - num))
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fi
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OffSet=$((OffSet < 0 ? 0 : OffSet))
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echo $OffSet > /tmp/AB.offset
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chmod 666 /tmp/AB.offset
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exit
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fi
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# Set the priority of the current script and says it is running
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renice "$Priority" "$$"
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touch '/tmp/AB.running'
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OldLight=$(cat $AnbientSensorIlluminance)
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until [ -f /tmp/AB.kill ]; do
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if [[ -f /tmp/AB.stop ]]; then
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rm '/tmp/AB.stop'
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rm '/tmp/AB.running'
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until [[ -f /tmp/AB.start ]]; do
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sleep 10
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done
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rm '/tmp/AB.start'
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touch '/tmp/AB.running'
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else
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if [[ -f /tmp/AB.offset ]]; then
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OffSet=$(cat /tmp/AB.offset)
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else
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OffSet=0
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echo $OffSet > /tmp/AB.offset
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chmod 666 /tmp/AB.offset
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fi
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Light=$(cat $AnbientSensorIlluminance)
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RealLight=$(cat $AnbientSensorIlluminance)
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Light=$((Light + OffSet))
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RealLight=$((RealLight + OffSet))
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if [[ $Light -lt $LightChange ]]; then
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MaxOld=$((OldLight + LightChange))
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MinOld=$((OldLight - LightChange))
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else
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MaxOld=$((OldLight + OldLight/LightChange))
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MinOld=$((OldLight - OldLight/LightChange))
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fi
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if [[ $Light -gt $MaxOld ]] || [[ $Light -lt $MinOld ]]; then
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CurrentBrightness=$(cat $MonitorBrightness)
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Light=$(( $Light + $MinimumBrightness ))
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TempLight=$(($Light * $SensorToDisplayScale))
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if [[ $TempLight -gt $MaxScreenBrightness ]]; then
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NewLight=$MaxScreenBrightness
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LimitMaxIlluminanceReached=1
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elif [[ $RealLight -le $MinimimumIlluminance ]]; then
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NewLight=$MinimumBrightness
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LimitMinIlluminanceReached=1
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else
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NewLight=$TempLight
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fi
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DiffCount=$(( ($NewLight - $CurrentBrightness)/$LevelSteps ))
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for i in $(eval echo {1..$LevelSteps}); do
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NewLight=$(( $DiffCount ))
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if [[ $NewLight -lt 0 ]]; then
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NewLight=$( echo "$NewLight" | awk -F "-" {'print$2'})
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NewLight=$(echo $NewLight-)
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else
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NewLight=$(echo +$NewLight)
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fi
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if [[ $i -eq $LevelSteps ]]; then
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brightnessctl -q s $NewLight
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if [[ $LimitMaxIlluminanceReached -eq 1 ]]; then
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NewLight=$MaxScreenBrightness
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LimitMaxIlluminanceReached=0
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fi
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if [[ $LimitMinIlluminanceReached -eq 1 ]]; then
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NewLight=$MinimumBrightness
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LimitMinIlluminanceReached=0
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fi
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fi
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brightnessctl -q s $NewLight
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sleep $AnimationDelay
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done
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OldLight=$Light
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fi
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sleep $SensorDelay
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fi
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done
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rm '/tmp/AB.running'
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rm '/tmp/AB.kill'
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