def start_gpio():
GPIO.setmode(GPIO.BCM)
#Input Pins
TAMPER = 4
RESET = 16
BUTTON = 6
#Output Pins
BUZ = 26
BUTTON_LED = 5
LCD_BACKLIGHT = 20
NET_STATUS = BUTTON_LED
ERR_LED = 21
#Display pins
DC = 23
RST = 24
SPI_PORT = 0
SPI_DEVICE = 0
#Setup pins
for pin in [TAMPER, RESET, BUTTON]:
GPIO.setup(pin, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
for pin in [BUTTON_LED, BUZ, LCD_BACKLIGHT, NET_STATUS, ERR_LED]:
GPIO.setup(pin, GPIO.OUT)
GPIO.output(pin,0)
# Setup LCD Display
disp = LCD.PCD8544(DC, RST, spi=SPI.SpiDev(SPI_PORT, SPI_DEVICE, max_speed_hz=4000000))
disp.begin(contrast=60)
disp.clear()
disp.display()
infofile = "info.json"
guid = None
if os.path.isfile(infofile):
info=open("info.json", 'r')
guid=json.loads(info.read())["guid"]
try:
while True:
#Internet monitoring LED
if(internet()):
GPIO.output(NET_STATUS, 1)
else:
GPIO.output(NET_STATUS,0)
#Tamper Detection
if GPIO.input(TAMPER) == 0:
GPIO.output(BUZ,1)
subprocess.call(['/opt/seciot/tamper.sh'])
GPIO.output(ERR_LED, 1)
else:
GPIO.output(BUZ,0)
# LCD output
if GPIO.input(BUTTON) == 0:
if guid is None:
guid = SecIOT.new_guid(url = "osrsrv.aakportfolio.com")
disp.clear()
disp.display()
# Create blank image for drawing.
# Make sure to create image with mode '1' for 1-bit color.
image = Image.new('1', (LCD.LCDWIDTH, LCD.LCDHEIGHT))
# Get drawing object to draw on image.
draw = ImageDraw.Draw(image)
# Draw a white filled box to clear the image.
draw.rectangle((0,0,LCD.LCDWIDTH,LCD.LCDHEIGHT), outline=255, fill=255)
# Load default font.
font = ImageFont.load_default()
# Write some text.
draw.text((0,0), guid[:14], font=font)
draw.text((0,10), guid[14:28], font=font)
draw.text((0,20), guid[28:], font=font)
print guid
# Display image.
disp.image(image)
disp.display()
GPIO.output(LCD_BACKLIGHT, 1)
GPIO.output(BUTTON_LED, 1)
time.sleep(10)
else:
# GPIO.output(BUTTON_LED, 0)
disp.clear()
disp.display()
GPIO.output(LCD_BACKLIGHT, 0)
if GPIO.input(RESET) == 1:
print "reset"
steptime = datetime.now().microsecond + 5000
while GPIO.input(RESET) and (steptime < datetime.now().microsecond):
time.sleep(0.05)
if GPIO.input(RESET):
do_reset()
time.sleep(0.05)
except KeyboardInterrupt:
die()
GPIO.output(NET_STATUS, 1)
else:
GPIO.output(NET_STATUS,0)
#Tamper Detection
if GPIO.input(TAMPER) == 0:
GPIO.output(BUZ,1)
subprocess.call(['/var/www/seciothome/seciothome/tamper.sh'])
GPIO.output(ERR_LED, 1)
else:
GPIO.output(BUZ,0)
# LCD output
if GPIO.input(BUTTON) == 0:
if guid is None:
guid = SecIOT.new_guid(url = "osrsrv.aakportfolio.com")
disp.clear()
disp.display()
# Create blank image for drawing.
# Make sure to create image with mode '1' for 1-bit color.
image = Image.new('1', (LCD.LCDWIDTH, LCD.LCDHEIGHT))
# Get drawing object to draw on image.
draw = ImageDraw.Draw(image)
# Draw a white filled box to clear the image.
draw.rectangle((0,0,LCD.LCDWIDTH,LCD.LCDHEIGHT), outline=255, fill=255)
# Load default font.
font = ImageFont.load_default()
# Write some text.
draw.text((0,0), guid[:14], font=font)
draw.text((0,10), guid[14:28], font=font)
draw.text((0,20), guid[28:], font=font)
