#!/usr/bin/python

import smbus
import time
import os

bus = smbus.SMBus(1)
adr = 0x22

def readButtons():
        try:
                res = bus.read_i2c_block_data( adr, 0xFF, 3 );

                a = res[0]
                b = res[1]
                c = res[2]

                return (a * 255 + b), c
        except:
                return 0,0

a, c = readButtons()
print bin(c),1
a, c = readButtons()
print bin(c),2

b = 31
print bin(c), ' binary value c'
print bin(b), ' binary value b'

while 1:
        a, c = readButtons()
        print bin(c), ' binary value c'
        print bin(b), ' binary value b'
        if ((c & 1) != (b & 1)):
                b = c
                print bin(c & 1), ' test1'