socket_setup.py

#import the required modules
import RPi.GPIO as GPIO
import logging

def setup():
    logging.info('Setting up socket control chip')

    GPIO.setwarnings(False)

    # set the pins numbering mode
    GPIO.setmode(GPIO.BOARD)

    # Select the GPIO pins used for the encoder K0-K3 data inputs
    GPIO.setup(11, GPIO.OUT)
    GPIO.setup(15, GPIO.OUT)
    GPIO.setup(16, GPIO.OUT)
    GPIO.setup(13, GPIO.OUT)

    # Select the signal to select ASK/FSK
    GPIO.setup(18, GPIO.OUT)

    # Select the signal used to enable/disable the modulator
    GPIO.setup(22, GPIO.OUT)

    # Disable the modulator by setting CE pin lo
    GPIO.output (22, False)

    # Set the modulator to ASK for On Off Keying
    # by setting MODSEL pin lo
    GPIO.output (18, False)

    # Initialise K0-K3 inputs of the encoder to 0000
    GPIO.output (11, False)
    GPIO.output (15, False)
    GPIO.output (16, False)
    GPIO.output (13, False)