RPI.GPIO.py

/**
 * @Author: Jordi Corbilla
 * (c) Copyright by Jordi Corbilla.
 **/
 
import RPi.GPIO as GPIO
import time
from array import *

GPIO.setmode(GPIO.BOARD)

#Set up GPIO pins   #extension board pin name
GPIO.setup(7, GPIO.OUT) #GP7
GPIO.setup(11, GPIO.OUT) #GP0
GPIO.setup(12, GPIO.OUT) #GP1
GPIO.setup(13, GPIO.OUT) #GP2
GPIO.setup(15, GPIO.OUT) #GP3
GPIO.setup(16, GPIO.OUT) #GP4
GPIO.setup(18, GPIO.OUT) #GP5
GPIO.setup(22, GPIO.OUT) #GP6

#Set up naming for RPi extension board
GPIOArray = array('i', [11, 12, 13, 15, 16, 18, 22, 7])
wtime = 0.01

while True:
 for i in range (0,7):
  GPIO.output(GPIOArray[i], GPIO.HIGH)
  print "Output %d value is %r" % (GPIOArray[i], 1)
  time.sleep(wtime)
  GPIO.output(GPIOArray[i], GPIO.LOW)
  print "Output %d value is %r" % (GPIOArray[i], 0)
  time.sleep(wtime)
 #slowing the flashing
 wtime = wtime + 0.01