import smbus
import time

def GetOrientation(deg):
output = “”
if(22.5 <= deg < 67.5):
	output = “NE ”
elif(67.5 <= deg < 112.5):
	output = “E ”
elif(112.5 <= deg < 157.5):
	output = “SE ”
elif(157.5 <= deg < 202.5):
	output = “S ”
elif(202.5 <= deg < 247.5):
	output. = “SW ”
elif(247.5 <= deg < 292.5):
	output = “W ”
elif(292.5 <=  deg < 337.5):
	output = “NW ”
else:
	output = “N ”
output = output + str(deg) + “ degrees”
return output

TIME_SLEEP = 0.2
COMPASS_WRITE_ADDRESS = 0x21
COMPASS_READ_ADDRESS = 0x41
COMPASS_OPERATION_MODE = 0x50
COMPASS_OPERATION_SETUP = 0b00110001 

bus = smbus.SMBus(1)

bus.write_byte_data(COMPASS_WRITE_ADDRESS,COMPASS_OPERATION_MODE,\
COMPASS_OPERATION_SETUP)


try:
while True:
data = bus.read_i2c_block_data(COMPASS_WRITE_ADDRESS,\ COMPASS_READ_ADDRESS, 2)	
degrees = ((data[0] << 8) + data[1]) / 10
print(GetOrientation(degrees))
time.sleep(TIME_SLEEP)

except KeyboardInterrupt:
	pass