#!/usr/bin/python
import smbus
import time
import sys

#DEVICE_ADDRESS = 0x24      #7 bit address (will be left shifted to add the read write bit)
DEVICE_REG_MODE1 = 0x00
DEVICE_REG_LEDOUT0 = 0x1d

try:
        sys.argv[1]
        sys.argv[2]

except:
        print "You need to send in command line arguments"

else:

	bus = smbus.SMBus(1)    # 0 = /dev/i2c-0 (port I2C0), 1 = /dev/i2c-1 (port I2C1)
	#DEVICE_ADDRESS = sys.argv[1]
	#NEW_ADDRESS = sys.argv[2]

	DEVICE_ADDRESS = hex(int(sys.argv[1], 16))
	NEW_ADDRESS = hex(int(sys.argv[2], 16))

	#hexadd = hex(int(sys.argv[1]))
	#intadd = int(sys.argv[2], 16)
	#hexint = hex(int(sys.argv[2], 16))
	#print "hexadd = " + str(hexadd)
	print "DEVICE_ADDRESS = " + str(DEVICE_ADDRESS)
	print "NEW_ADDRESS = " + str(NEW_ADDRESS)

	#Write a single register
	bus.write_byte_data(DEVICE_ADDRESS, 1, NEW_ADDRESS)
	time.sleep(2)
	bus.write_byte_data(DEVICE_ADDRESS, 6, DEVICE_REG_MODE1)
	#bus.write_byte_data(DEVICE_ADDRESS, 1, 0x23)
	#time.sleep(2)
	#bus.write_byte_data(DEVICE_ADDRESS, 6, DEVICE_REG_MODE1)