pi_switch.py

#!/usr/bin/python
#A multi-function switch for the Raspberry Pi
#This script was originally inspired by AndrewH7@instructables.com/member/AndrewH7
#Modified by: Geofferey@XDA/Instagram/Github
#Use this script at your own risk

import RPi.GPIO as GPIO
import os
import time

pin_number=18
#Replace YOUR_CHOSEN_GPIO_NUMBER_HERE with the GPIO pin number you wish to use
#Make sure you know which rapsberry pi revision you are using first
#The line should look something like this e.g. "pin_number=7"

GPIO.setmode(GPIO.BCM)
#Enables BCM pin numbering (i.e. the GPIO number, not physical pin number)
#WARNING: this will change between Pi versions

GPIO.setup(pin_number, GPIO.IN, pull_up_down=GPIO.PUD_UP)
#It's very important the pin is an input to avoid short-circuits
#The pull-up resistor means the pin is high by default

try:

	while True:

	    GPIO.wait_for_edge(pin_number, GPIO.FALLING)
	    start = time.time()
	    time.sleep(0.02)    

	    while GPIO.input(pin_number) == GPIO.LOW:
		time.sleep(0.01)
		duration = time.time() - start
    
	    if duration >= 6:
		print "Start WPS Pairing"
		os.system("wps_config")
		continue
	    elif duration >= 3:
		print "Enable Bluetooth Discoverability"
		os.system("/etc/init.d/bluetooth-agent start &")
		time.sleep(30)
		os.system("/etc/init.d/bluetooth-agent stop &")
		continue
	    else:
		print "Modifer Mode"
		os.system("modprobe ledtrig_heartbeat")
		os.system("echo heartbeat >/sys/class/leds/led1/trigger") 
	
		GPIO.wait_for_edge(pin_number, GPIO.FALLING)
		start = time.time()
		time.sleep(0.02)

	    while GPIO.input(pin_number) == GPIO.LOW:
	        time.sleep(0.01)
		duration = time.time() - start
    		
	    if duration >= 6:
		print "Reboot Pi"
		os.system("reboot")
		continue 
	    elif duration >= 3:
		print "PowerOff Pi"
		os.system("paplay /home/pi/PowerOff.wav &")
	        os.system("sleep 4")
	        os.system("shutdown -h now")
	    else: 
		print "Exit Modifier Mode"
		os.system("echo input >/sys/class/leds/led1/trigger")
		continue

except KeyboardInterrupt: 
	GPIO.cleanup

except: 
	GPIO.cleanup

finally:
	GPIO.cleanup