import os
from math import floor
from adafruit_rplidar import RPLidar
# Setup the RPLidar
PORT_NAME = '/dev/ttyUSB0'
lidar = RPLidar(None, PORT_NAME, timeout=3)
# used to scale data to fit on the screen
max_distance = 0
def process_data(data):
    print(data)
scan_data = [0]*360
try:
#    print(lidar.get_info())
    for scan in lidar.iter_scans():
        for (_, angle, distance) in scan:
            scan_data[min([359, floor(angle)])] = distance
        process_data(scan_data)
except KeyboardInterrupt:
    print('Stopping.')
lidar.stop()
lidar.disconnect()