Nudelkopf's Python Script

import RPi.GPIO as gpio
import sys

#init
gpio.setmode(gpio.BOARD)
gpio.setup(31, gpio.OUT)
gpio.setup(35, gpio.OUT)
gpio.setup(33, gpio.OUT)
gpio.setup(37, gpio.OUT)

def fd():
    gpio.output(31, False)
    gpio.output(33, True)
    gpio.output(35, False)
    gpio.output(37, True)

def bk():
    gpio.output(31, True)
    gpio.output(33, False)
    gpio.output(35, True)
    gpio.output(37, False)

def rt():
    gpio.output(31, False)
    gpio.output(33, True)
    gpio.output(35, True)
    gpio.output(37, False)

def lt(t):
    gpio.output(31, True)
    gpio.output(33, False)
    gpio.output(35, False)
    gpio.output(37, True)

def turn_rt():
    gpio.output(31, False)
    gpio.output(33, True)
    gpio.output(35, True)
    gpio.output(37, True)

def turn_lt():
    gpio.output(31, True)
    gpio.output(33, True)
    gpio.output(35, False)
    gpio.output(37, True)

def stop():
    gpio.output(31, False)
    gpio.output(33, False)
    gpio.output(35, False)
    gpio.output(37, False)

stop()

f = open("pipe1", "r" )

while True:
        data = f.readline()
        if not data: continue
        if data == "fd\n":
                fd()
        elif data == "bk\n":
                bk()
        elif data == "rt\n":
                rt()
        elif data == "lt\n":
                lt()
        elif data == "turn_rt\n":
                turn_rt()
        elif data == "turn_lt\n":
                turn_lt()
        elif data == "stop\n":
                stop()

gpio.cleanup()