WalkingPi

#!/bin/python
# Simple script for shutting down the raspberry Pi at the press of a button.
# by Inderpreet Singh

import RPi.GPIO as GPIO
import time
import os

# Use the Broadcom SOC Pin numbers
# Setup the Pin with Internal pullups enabled and PIN in reading mode.
GPIO.setmode(GPIO.BCM)
GPIO.setup(18, GPIO.IN, pull_up_down = GPIO.PUD_UP)

# Our function on what to do when the button is pressed
def Shutdown(channel):
    os.system("sudo shutdown -h now")

# Add our function to execute when the button pressed event happens
GPIO.add_event_detect(18, GPIO.FALLING, callback = Shutdown, bouncetime = 2000)

# Now wait!
while 1:
    time.sleep(1)

#!/bin/python
# Walkingpi main script
# Added Collection mode  and detail record toggle buttons

import RPi.GPIO as GPIO
import time
import os
import datetime

# Use the Board Pin numbers
GPIO.setmode(GPIO.BOARD)

# Pins
BUTTON_SHUTDOWN = 11
BUTTON_COLLECTION = 13
BUTTON_RECORD = 15

collection_flag = True
record_flag = False
recording = False

# Setup the Pin with Internal pullups enabled and PIN in reading mode.
GPIO.setup(BUTTON_SHUTDOWN, GPIO.IN, pull_up_down=GPIO.PUD_UP)
GPIO.setup(BUTTON_COLLECTION, GPIO.IN, pull_up_down=GPIO.PUD_UP)
GPIO.setup(BUTTON_RECORD, GPIO.IN, pull_up_down=GPIO.PUD_UP)

##
def shutdown(channel): # Change to lowercase function name
    # Modify function to require the shutdown button to be pressed and held
    # for at least 2 seconds before shutting down.
    GPIO.remove_event_detect(channel)
    pressed_time = datetime.datetime.now()
    while not GPIO.input(channel):
        time.sleep(.5)
    dif = datetime.datetime.now() - pressed_time
    pressed_time = dif.seconds
    if pressed_time > 2:
        os.system("sudo shutdown -h now")
    GPIO.add_event_detect(channel, GPIO.FALLING, callback=shutdown, bouncetime=200)
##

##
def collection_toggle():
    global collection_flag
    collection_flag = ~collection_flag
##

##
def record_toggle():
    global record_flag
    record_flag = ~record_flag
##

# Add button pressed event detects
GPIO.add_event_detect(BUTTON_SHUTDOWN, GPIO.FALLING, callback=shutdown, bouncetime=2000)
GPIO.add_event_detect(BUTTON_COLLECTION, GPIO.FALLING, callback=collection_toggle, bouncetime=2000)
GPIO.add_event_detect(BUTTON_RECORD, GPIO.FALLING, callback=record_toggle, bouncetime=2000)

# Main loop
while True:
    if collection_flag:
        # Collect data - fill in later
        # Initiate GPS
        # Log GPS
        # Scan and log wifi
        # Interval photos
        if record_flag > recording:
            # Stop interval photos
            # Start detail recording
            record_flag = False
            pass
        if record_flag & recording:
            # Stop detail recording
            # Start interval photos
            record_flag = False
            pass
        pass
    else:
        # Stop collection
        # Connect to home base
        # Transfer data - fill in later
        # Notify of completion
        pass

allow-hotplug wlan0
iface wlan0 inet static
    address 192.168.240.1
    netmask 255.255.255.0
    network 192.168.240.0
    broadcast 192.168.240.255

allow-hotplug wlan1
iface wlan1 inet manual

allow-hotplug wlan0
iface wlan0 inet dhcp
    wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf

network={
ssid="your_wifi_identifier"
psk="your_wifi_password"
proto=RSN
key_mgmt=WPA-PSK
pairwise=CCMP
auth_alg=OPEN
}