I2C_test_0.py

import smbus
import time
# for RPI version 1, use "bus = smbus.SMBus(0)"
bus = smbus.SMBus(1)
 
# This is the address we setup in the Arduino Program
address = 0x04
 
def writeData(value):
    #bus.write_byte(address,88)
    bus.write_byte(address, value)
    # bus.write_byte_data(address, 0, value)
    return 0
 
def readNumber():
    number = bus.read_byte(address)
    # number = bus.read_byte_data(address, 1)
    return number
 
while True:
    axis = input("Axis 88 or 89: ")
    parameter = input("parameter: ")
    
    if not parameter:
        continue
 
    writeData(axis)
    writeData(parameter)
    
    #print "RPI: Hi Arduino, I sent you ", axis, parameter
    # sleep one second
    time.sleep(1)
 
    # number = readNumber()
    # print "Arduino: Hey RPI, I received a digit ", number
    print