random.sh/pathfinder.sh at main · KindleModding/random.sh · GitHub

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#!/bin/sh

echo ""
echo "PATHFINDER"
echo "Silly script created by https://hackerdude.tech"
echo "Part of the KindleModding/random.sh collection"
echo ""
echo ""

echo "Searching for battery"

battery_path=""
for battery_capacity_path in /sys/class/power_supply/*/capacity; do
    battery=$(dirname "$battery_capacity_path")
    echo "    - Checking if $battery is a valid battery"
    if [ -f "$battery/capacity" ] && [ -f "$battery/charging" ] && [ -f "$battery/status" ]; then
        echo "Found battery!"
        echo "Capacity: $(cat "$battery/capacity")"
        echo "Charging: $(cat "$battery/charging")"
        echo "Status: $(cat "$battery/status")"
        battery_path="$battery"
        break
    fi
done

if [ -z $battery_path ]; then
    echo "ERORR: Could not find valid battery!"
fi

echo ""
echo "Searching for hall sensor"

hall_enable_path=""
i=0
for hall_file in /sys/devices/platform/*hall*/*enable; do
    hall_enable_path=$hall_file
    echo "    - Found hall sensor at: $hall_file"
done

if [ -z $hall_enable_path ]; then
    echo "WARN: Could not find hall sensor!"
fi

echo ""
echo "Identifying backlight(s)"

max_intensity=$(lipc-get-prop com.lab126.powerd flMaxIntensity)
amber_backlight=""
main_backlight=""

for potential_backlight in /sys/class/backlight/*/brightness; do
    echo "Testing $potential_backlight"
    lipc-set-prop -i com.lab126.powerd flIntensity 0
    lipc-set-prop -i com.lab126.powerd currentAmberLevel 0
    sleep 1
    if [ "$(cat "$potential_backlight")" -eq 0 ]; then
        lipc-set-prop -i com.lab126.powerd flIntensity $max_intensity
        sleep 1
        if [ "$(cat "$potential_backlight")" -eq 0 ]; then
            lipc-set-prop -i com.lab126.powerd currentAmberLevel $max_intensity
            sleep 1
            if [ "$(cat "$potential_backlight")" -eq 0 ]; then
                echo "Unknown backlight! (Reason: No change when BL state altered)"
            else
                echo "Backlight is used for amber"
                amber_backlight=$potential_backlight
            fi
        else
            echo "Backlight is used for main light"
            main_backlight=$potential_backlight
        fi
    else
        echo "Unknown backlight! (Reason: Non-zero when BL turned off)"
    fi
done
lipc-set-prop -i com.lab126.powerd flIntensity 0
lipc-set-prop -i com.lab126.powerd currentAmberLevel 0

if [ -z $amber_backlight ]; then
    echo "WARN: Amber backlight could not be found!"
fi

if [ -z $main_backlight ]; then
    echo "ERROR: Main backlight could not be found!"
    exit 1
fi

echo "Discovered Paths:"
echo ""
echo "Main Backlight: $main_backlight"
echo "Amber Backlight: $amber_backlight"
echo "Battery capacity: $battery_path/capacity"
echo "Battery charging: $battery_path/charging"
echo "Battery status: $battery_path/status"
echo "Hall: $hall_enable_path"

if [ -f "/dev/input/touch" ]; then
    echo "/dev/input/touch EXISTS"
else
    echo "/dev/input/touch DOES NOT EXIST"
fi