164 lines
2.8 KiB
Bash
164 lines
2.8 KiB
Bash
#!/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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SensorToDisplayScale=24
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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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MaxScreenBrightness=96000
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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=${OPTARG};;
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esac
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done
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if [[ -f /tmp/AB.offset ]]
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then
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OffSet=$(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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fi
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if [[ $OffSet -lt 0 ]]
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then
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OffSet=0
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fi
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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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if [[ $OffSet -lt 0 ]]
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then
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OffSet=0
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fi
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$(echo $OffSet > /tmp/AB.offset)
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exit
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fi
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touch '/tmp/AB.running'
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OldLight=$(cat /sys/bus/iio/devices/iio\:device0/in_illuminance_raw)
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until [ -f /tmp/AB.kill ]
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do
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if [[ -f /tmp/AB.stop ]]
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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 ]]
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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 ]]
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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 $OffSet > /tmp/AB.offset)
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fi
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Light=$(cat /sys/bus/iio/devices/iio\:device0/in_illuminance_raw)
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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 /sys/class/backlight/intel_backlight/brightness)
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Light=$(( $Light + $MinimumBrightness ))
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TempLight=$(($Light * $SensorToDisplayScale))
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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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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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