#!/usr/bin/python

import RPi.GPIO as GPIO

from time import sleep

GPIO.setmode(GPIO.BOARD)

# Define Pins

segmentA = 16

segmentB = 18

segmentC = 38

segmentD = 36

segmentE = 15

segmentF = 12

segmentG = 22

segmentH = 40

digit1 = 7

digit2 = 11

digit3 = 13

digit4 = 29

digit5 = 31

digit6 = 33

# Set up Pins

GPIO.setup(segmentA,GPIO.OUT)

GPIO.setup(segmentB,GPIO.OUT)

GPIO.setup(segmentC,GPIO.OUT)

GPIO.setup(segmentD,GPIO.OUT)

GPIO.setup(segmentE,GPIO.OUT)

GPIO.setup(segmentF,GPIO.OUT)

GPIO.setup(segmentG,GPIO.OUT)

GPIO.setup(segmentH,GPIO.OUT)

GPIO.setup(digit1,GPIO.OUT)

GPIO.setup(digit2,GPIO.OUT)

GPIO.setup(digit3,GPIO.OUT)

GPIO.setup(digit4,GPIO.OUT)

GPIO.setup(digit5,GPIO.OUT)

GPIO.setup(digit6,GPIO.OUT)

# Set Ground pins to low

GPIO.output(digit1,GPIO.LOW)

GPIO.output(digit2,GPIO.LOW)

GPIO.output(digit3,GPIO.LOW)

GPIO.output(digit4,GPIO.LOW)

GPIO.output(digit5,GPIO.LOW)

GPIO.output(digit6,GPIO.LOW)

# Define functions

def turnOn(segmentList) :

  for x in segmentList :

    whichSegment = 'segment'+x

    GPIO.output(eval(whichSegment),GPIO.HIGH)

  return

def turnOff(segmentList) :

  for x in segmentList :

    whichSegment = 'segment' + x

    GPIO.output(eval(whichSegment),GPIO.LOW)

  return

def display(whichNumber) :

  turnOff(['A','B','C','D','E','F','G','H'])

  if (whichNumber == 0) :

    turnOn(['A','B','C','D','E','F'])

  elif (whichNumber == 1) :

    turnOn(['B','C'])

  elif (whichNumber == 2) :

    turnOn(['A','B','D','E','G'])

  elif (whichNumber == 3) :

    turnOn(['A','B','C','D','G'])

  elif (whichNumber == 4) :

    turnOn(['B','C','F','G'])

  elif (whichNumber == 5) :

    turnOn(['A','C','D','F','G'])

  elif (whichNumber == 6) :

    turnOn(['A','C','D','E','F','G'])

  elif (whichNumber == 7) :

    turnOn(['A','B','C'])

  elif (whichNumber == 8) :

    turnOn(['A','B','C','D','E','F','G'])

  elif (whichNumber == 9) :

    turnOn(['A','B','C','D','F','G'])

  else :

    turnOn(['H'])

  return

for num in range(1,7) :

  display(num)

  sleep(1)

GPIO.cleanup()