#!/usr/bin/python

import RPi.GPIO as GPIO
import time
import os, subprocess

# SoC als Pinreferenz waehlen
GPIO.setmode(GPIO.BOARD)  

# Ausschaltknopf konfigurieren
ausschaltknopf=38
copyknopf=40
GPIO.setup(ausschaltknopf, GPIO.IN, pull_up_down = GPIO.PUD_UP)  
GPIO.setup(copyknopf, GPIO.IN, pull_up_down = GPIO.PUD_UP)

# LED konfigurieren
blinkled=16
GPIO.setup(blinkled, GPIO.OUT)  

def copycontent(channel):
	time.sleep(1)
	GPIO.remove_event_detect(channel)
	os.system("/home/pi/copycontent.sh")
	print "Copy Content finished. Stick unmounted"	
	GPIO.add_event_detect(copyknopf, GPIO.FALLING, callback = copycontent, bouncetime = 300)   
	

# Interrupt-Handler
def ausschalten(channel):
	os.system("/sbin/shutdown -h now")
	print "Exit"

# Interrupt-Handler registrieren
GPIO.add_event_detect(ausschaltknopf, GPIO.FALLING, callback = ausschalten, bouncetime = 300)   
GPIO.add_event_detect(copyknopf, GPIO.FALLING, callback = copycontent, bouncetime = 300)   


# Endlosschleife
while True:
	time.sleep(1.75)
	GPIO.output(blinkled,GPIO.HIGH)
	time.sleep(0.25)
	GPIO.output(blinkled,GPIO.LOW)