import smbus

class light_sensor:
	def __init__(self, bus = 1, addr = 0x23):
		self.bus = bus
		self.addr = addr
		self.bus = smbus.SMBus(self.bus)

	def read(self):
		data = self.bus.read_i2c_block_data(self.addr, 0x10)
		lx = int(round((data[0] * 256 + data[1]) / 1.2, 0))
		return lx