Novena Autorotate Script

autorotate.sh

#!/bin/sh

set -e

x="$(cat /sys/bus/iio/devices/iio:device0/in_accel_x_raw)"
y="$(cat /sys/bus/iio/devices/iio:device0/in_accel_y_raw)"

abs_x="$x"
[ "$x" -lt 0 ] && abs_x=$(( $x * -1 ))

abs_y="$y"
[ "$y" -lt 0 ] && abs_y=$(( $y * -1 ))

if [ "$abs_x" -lt 70 ] && [ "$abs_y" -lt 70 ]; then
	# No change (lying flat)
	exit
fi

current="$(xrandr -q --verbose | grep '^LVDS1 ' | cut -d' ' -f5)"

if [ "$abs_y" -gt "$abs_x" ]; then
	if [ "$y" -lt 0 ]; then
		[ "$current" != "inverted" ] && xrandr -o inverted
	else
		[ "$current" != "normal" ] && xrandr -o normal
	fi
else
	if [ "$x" -lt 0 ]; then
		[ "$current" != "left" ] && xrandr -o left
	else
		[ "$current" != "right" ] && xrandr -o right
	fi
fi