rotate.py

#!/usr/bin/python2
import sys, os, gc, time, glob

for device in glob.glob('/sys/bus/iio/devices/iio:device*'):
    if open(device + '/name').read() == 'accel_3d\n':
        scale = float(open(device + '/in_accel_scale').read())
        break

if __name__ == '__main__':
    x = open(device + '/in_accel_x_raw')
    y = open(device + '/in_accel_y_raw')
    try:
        while True:
            x.seek(0)
            y.seek(0)
            current_x = float(x.read()) * scale
            current_y = float(y.read()) * scale
            if current_y <= -7.0:
                os.popen('xrandr -o normal')
            elif current_y >= 7.0:
                os.popen('xrandr -o inverted')
            elif current_x >= 7.0:
                os.popen('xrandr -o left')
            elif current_x <= -7.0:
                os.popen('xrandr -o right')

            time.sleep(1)
    except KeyboardInterrupt:
        sys.exit(0)