1b0997474f
A 5 second delay was added to the startup. Dew to reports of the service starting before the system values are initalized
155 lines
3.2 KiB
Bash
Executable file
155 lines
3.2 KiB
Bash
Executable file
#!/bin/bash
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#How much light change must be seen by the sensor befor it will act
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LightChange=10
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#How often it check the sensor
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SensorDelay=1
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# Scale sesor to displas brightness range
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# NOW WITH FLOAT SUPPORT
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SensorToDisplayScale=24.09
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#This should match your refesh rate other wise it will either change the back light 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 acual 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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MinimumBrightness=001
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# 2 : Default | 1 : Add Offset | 0 : Subtract Offset, Recomended not to change
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op=2
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while getopts i:d: flag
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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=${OPTARG};;
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esac
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done
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if [[ -f /dev/shm/AB.offset ]]
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then
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OffSet=$(cat /dev/shm/AB.offset)
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else
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OffSet=0
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$(echo $OffSet > /dev/shm/AB.offset)
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$(chmod 666 /dev/shm/AB.offset)
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fi
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OffSet=$((OffSet < 0 ? 0 : OffSet))
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if [[ $op -lt 2 ]]
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then
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if [[ $op -eq 1 ]]
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then
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OffSet=$((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 $OffSet > /dev/shm/AB.offset)
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exit
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fi
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# This was moved down here to not affect performance of setting AB.offset
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priority=19 # Priority level , 0 = regular app , 19 = very much background app
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# Set the priority of the current script, Thank you Theluga.
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renice "$priority" "$$"
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sleep 5
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MaxScreenBrightness=$(find -L /sys/class/backlight -maxdepth 2 -name "max_brightness" 2>/dev/null | grep "max_brightness" | xargs cat)
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BLightPath=$(find -L /sys/class/backlight -maxdepth 2 -name "brightness" 2>/dev/null | grep "brightness")
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LSensorPath=$(find -L /sys/bus/iio/devices -maxdepth 2 -name "in_illuminance_raw" 2>/dev/null | grep "in_illuminance_raw")
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OldLight=$(cat $LSensorPath)
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while true
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do
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if [[ -f /dev/shm/AB.offset ]]
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then
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OffSet=$(cat /dev/shm/AB.offset)
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else
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OffSet=0
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$(echo $OffSet > /dev/shm/AB.offset)
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$(chmod 666 /dev/shm/AB.offset)
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fi
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Light=$(cat $LSensorPath)
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Light=$((Light + OffSet))
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if [[ $Light -lt $LightChange ]]
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then
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MaxOld=$((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 $MinOld ]]
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then
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CurrentBrightness=$(cat $BLightPath)
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Light=$(( $Light + $MinimumBrightness ))
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TempLight=$(echo "scale=2; $Light * $SensorToDisplayScale" | bc)
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# REmoves float for latter checks
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TempLight=$(LANG=C printf "%.0f" $TempLight)
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if [[ $TempLight -gt $MaxScreenBrightness ]]
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then
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NewLight=$MaxScreenBrightness
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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} )
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do
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NewLight=$(( $DiffCount ))
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if [[ $NewLight -lt 0 ]]
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then
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NewLight=$( 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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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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done
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