def __init__(self):
print('Loading the ForkPi database...')
self.db = ForkpiDB()
print('Loading options...')
attempt_limit = self.load_option('attempt_limit')
lockout_time = self.load_option('lockout_time_minutes')
self.lockout_table = LockoutTable(attempt_limit, lockout_time)
self.keypad_timeout = self.load_option('keypad_timeout_seconds')
self.max_transaction_time = self.load_option(
'max_transaction_time_seconds')
self.lock_release_time = self.load_option('lock_release_time_seconds')
print('Loading (F)ingerprint Scanner...')
self.fingerprint_thread = FingerprintThread(lambda: ForkpiDB())
print('Loading (O)LED...')
self.led = OLED()
print('Loading (R)FID Reader...')
self.rfid_thread = RfidThread()
print('Loading (K)eypad...')
self.keypad_thread = KeypadThread()
print('Connecting to (dummy) door lock...')
self.door_lock = DoorLock()
# maps RFID UIDs to incorrect streak and remaining lockout time
self.transaction_timer = self.new_timer()
# start polling for cards and fingers
self.rfid_thread.start()
self.fingerprint_thread.start()
self.keypad_thread.start()
def __init__(self, revision=1):
# Connect to the display on /dev/i2c-1
self.dis = OLED(revision)
Graphics.clearLine = self._clearLine
Font.print_string = _print_string
# Start communication
self.dis.begin()
# Start basic initialization
self.dis.initialize()
# Do additional configuration
self.dis.set_memory_addressing_mode(0)
self.dis.set_column_address(0, 127)
# Eight pages
self.dis.set_page_address(0, 7)
self.dis.set_scan_direction(0)
self.dis.set_inverse_display(False) # Black on white
self.clear()
self.stop_scroll()
# Set font scale to 1
self.f = Font(1)
return
def __init__(self):
print('Loading the ForkPi database...')
self.db = ForkpiDB()
print('Loading options...')
attempt_limit = self.load_option('attempt_limit')
lockout_time = self.load_option('lockout_time_minutes')
self.lockout_table = LockoutTable(attempt_limit, lockout_time)
self.keypad_timeout = self.load_option('keypad_timeout_seconds')
self.max_transaction_time = self.load_option('max_transaction_time_seconds')
self.lock_release_time = self.load_option('lock_release_time_seconds')
print('Loading (F)ingerprint Scanner...')
self.fingerprint_thread = FingerprintThread(lambda: ForkpiDB())
print('Loading (O)LED...')
self.led = OLED()
print('Loading (R)FID Reader...')
self.rfid_thread = RfidThread()
print('Loading (K)eypad...')
self.keypad_thread = KeypadThread()
print('Connecting to (dummy) door lock...')
self.door_lock = DoorLock()
# maps RFID UIDs to incorrect streak and remaining lockout time
self.transaction_timer = self.new_timer()
# start polling for cards and fingers
self.rfid_thread.start()
self.fingerprint_thread.start()
self.keypad_thread.start()
class Aplicacion():
def __init__(self):
root = Tk()
root.geometry('480x320')
# root.configure(bg = BG_COLOR)
root.title('Synth GUI')
# root.attributes("-fullscreen", True)
self.oled = OLED(root)
#self.oled.pack(fill=X)
self.oled.pack()
frame = ttk.Frame(root)
frame.pack(side=BOTTOM, fill=X)
ttk.Button(frame, text='aux').pack(side=LEFT)
ttk.Button(frame, text='up').pack(side=LEFT)
ttk.Button(frame, text='down').pack(side=LEFT)
ttk.Button(frame, text='sel').pack(side=LEFT)
ttk.Button(frame, text='quit', command=root.destroy).pack(side=LEFT)
try:
# Create server
server = liblo.ServerThread(4001)
self.oled.add_osc_methods(server)
# Register a fallback for unhandled messages
server.add_method(None, None, self.fallback)
# Start server
server.start()
except liblo.ServerError as err:
print(err)
sys.exit()
root.mainloop()
def fallback(self, path, args, types, src):
print("got unknown message '%s' from '%s'" % (path, src.url))
for a, t in zip(args, types):
print("argument of type '%s': %s" % (t, a))
def __init__(self):
root = Tk()
root.geometry('480x320')
# root.configure(bg = BG_COLOR)
root.title('Synth GUI')
# root.attributes("-fullscreen", True)
self.oled = OLED(root)
#self.oled.pack(fill=X)
self.oled.pack()
frame = ttk.Frame(root)
frame.pack(side=BOTTOM, fill=X)
ttk.Button(frame, text='aux').pack(side=LEFT)
ttk.Button(frame, text='up').pack(side=LEFT)
ttk.Button(frame, text='down').pack(side=LEFT)
ttk.Button(frame, text='sel').pack(side=LEFT)
ttk.Button(frame, text='quit', command=root.destroy).pack(side=LEFT)
try:
# Create server
server = liblo.ServerThread(4001)
self.oled.add_osc_methods(server)
# Register a fallback for unhandled messages
server.add_method(None, None, self.fallback)
# Start server
server.start()
except liblo.ServerError as err:
print(err)
sys.exit()
root.mainloop()
class Oled:
dis = None
f = None # Font
fontsize = 0
scale = 1
width = 20
lines = 4
scroll_line = 0
scroll_speed = 0.01
def __init__(self, revision=1):
# Connect to the display on /dev/i2c-1
self.dis = OLED(revision)
Graphics.clearLine = self._clearLine
Font.print_string = _print_string
# Start communication
self.dis.begin()
# Start basic initialization
self.dis.initialize()
# Do additional configuration
self.dis.set_memory_addressing_mode(0)
self.dis.set_column_address(0, 127)
# Eight pages
self.dis.set_page_address(0, 7)
self.dis.set_scan_direction(0)
self.dis.set_inverse_display(False) # Black on white
self.clear()
self.stop_scroll()
# Set font scale to 1
self.f = Font(1)
return
# Clear display
def clear(self, update=False):
self.dis.clear(update)
# Top display routine
def out(self, line, text, interrupt):
if len(text) > self.width:
self._scroll(line, text, interrupt)
else:
self._out(line, text)
return
# Scroll line - interrupt() breaks out routine if True
def _scroll(self, line, text, interrupt):
ilen = len(text)
skip = False
# Display only for the width of the LCD
self._out(line, text[0:self.width + 1], no_interrupt)
self.dis.update()
# Small delay before scrolling
if not skip:
for i in range(0, 10):
time.sleep(self.scroll_speed)
if interrupt():
skip = True
break
# Now scroll the message
if not skip:
for i in range(0, ilen - self.width + 1):
self._out(line, text[i:i + self.width], interrupt)
self.dis.update()
if interrupt():
skip = True
break
else:
time.sleep(self.scroll_speed)
# Small delay before exiting
if not skip:
for i in range(0, 10):
time.sleep(self.scroll_speed)
if interrupt():
break
return
# Text out
def _out(self, line_number, text="", interrupt=no_interrupt):
self.clearLine(line_number)
nChars = fontLineLengths[self.scale - 1]
linePos = (line_number - 1) * 8
try:
self.f.print_string(0, linePos, text[:nChars])
except Exception as e:
print e
print "Bad string", text
# Update Oled screen
def update(self):
self.dis.update()
# Smooth Olimex scroll
def scroll(self, line):
# Make horizontal scroll
page = line * 2 - 2
self.scroll_line = line
self._scroll(page)
# Smooth scroll page (Only one at a time)
def _smooth_scroll(self, page, speed=6):
self.dis.deactivate_scroll()
self.dis.vertical_and_horizontal_scroll_setup(self.dis.LEFT_SCROLL,
page, page, speed, 0)
#self.dis.horizontal_scroll_setup(self.dis.LEFT_SCROLL, page, page, speed)
self.dis.activate_scroll()
# Deactivate smooth scroll
def stop_scroll(self):
self.dis.deactivate_scroll()
# Set font only if it is different from before
def setFont(self, fontsize):
if fontsize < 1:
fontsize = 1
if fontsize > 9:
fontsize = 9
if fontsize != self.scale:
self.scale = int(fontsize)
self.f = Font(self.scale)
# Draw line
def line(self, x0, y0, x1, y1):
Graphics.draw_line(x0, y0, x1, y1)
# Draw volume slider (1, 100)
def drawHorizontalSlider(self, size, lineNumber):
pos = ((lineNumber - 1) * 8) + 1
if size > 100:
size = 100
elif size < 0:
size = 0
width = int(127 * size / 100)
self.clearPage(int(pos / 8))
for x in range(1, 6):
self._clearLine(0, pos + x, 127, pos + x)
Graphics.draw_line(0, pos + x, width, pos + x)
self.drawRectangle(0, pos + 1, 127, pos + 6, False)
self.dis.update()
# Width and line parameters
def getWidth():
return self.width
def getLines():
return self.lines
def setWidth(self, notused):
return self.width
# Has color
def hasColor(self):
return False
# Clear line (Line 1 is double size font)
def clearLine(self, line):
page = (line - 1)
self.clearPage(page)
if line == 1:
self.clearPage(page + 1)
# This routine clears a page (0-7)
def clearPage(self, page):
x0 = 0
y0 = page * 8
x1 = 127
y1 = y0
for x in range(0, 8):
Graphics.clearLine(x0, y0 + x, x1, y1)
return
# Clear text line Graphics class override
def _clearLine(self, x0, y0, x1, y1):
dx = x1 - x0
dy = y1 - y0
D = 2 * dy - dx
Graphics.draw_pixel(x0, y0, on=False)
y = y0
for x in range(x0 + 1, x1 + 1):
if D > 0:
y += 1
Graphics.draw_pixel(x, y, on=False)
D += (2 * dy - 2 * dx)
else:
Graphics.draw_pixel(x, y, on=False)
D += 2 * dy
return
# Set Scroll line speed - Best values are 0.05 and 1.0
# Limit to between 0.05 and 1.0
def setScrollSpeed(self, speed):
if speed < 0.01:
speed = 0.01
elif speed > 0.4:
speed = 0.4
self.scroll_speed = speed
return
# Flip OLED display vertically
def flip_display_vertically(self, flip):
# flip is True or False
if flip:
self.dis.set_scan_direction(1)
self.dis.set_segment_remap(remap=True)
else:
self.dis.set_scan_direction(0)
self.dis.set_segment_remap(remap=False)
return
# Draw line
def drawLine(self, x0, y0, x1, y1):
self._draw_line(x0, y0, x1, y1)
"""
Alternative line routine using Bresenham's line algorithm.
The Olimex draw_line routine is not working for vertical lines.
See https://rosettacode.org/wiki/Bitmap/Bresenham%27s_line_algorithm#Python
"""
def _draw_line(self, x0, y0, x1, y1):
dx = abs(x1 - x0)
dy = abs(y1 - y0)
x, y = x0, y0
sx = -1 if x0 > x1 else 1
sy = -1 if y0 > y1 else 1
if dx > dy:
err = dx / 2.0
while x != x1:
#self.set(x, y)
Graphics.draw_pixel(x, y, True)
err -= dy
if err < 0:
y += sy
err += dx
x += sx
else:
err = dy / 2.0
while y != y1:
#self.set(x, y)
Graphics.draw_pixel(x, y, True)
err -= dx
if err < 0:
x += sx
err += dy
y += sy
#self.set(x, y)
Graphics.draw_pixel(x, y, True)
# Draw rectangle
def drawRectangle(self, x0, y0, x1, y1, fill):
self._draw_line(x0, y0, x1, y0) # Top line
self._draw_line(x0, y1, x1, y1) # Bottom line
self._draw_line(x0, y0, x0, y1) # Left line
self._draw_line(x1, y0, x1, y1) # Right line
if fill:
for i in range(1, y1 - y0):
self._draw_line(x0, y0 + i, x1, y0 + i)
# Draw Circle
def drawCircle(self, x0, y0, r, fill):
Graphics.draw_circle(x0, y0, r)
if fill:
for i in range(1, r):
Graphics.draw_circle(x0, y0, i)
# Draw image location at x,y
def drawImage(self, bitmap, x, y):
dir = os.path.dirname(__file__)
img = Image.open(dir + '/' + bitmap)
w = img.size[0]
h = img.size[1]
try:
for i in range(0, w):
for j in range(0, h):
xy = (i, j)
if img.getpixel(xy):
Graphics.draw_pixel(i + x, j + y, False)
else:
Graphics.draw_pixel(i + x, j + y, True)
except:
pass
def drawSplash(self, bitmap, delay):
self.drawImage(bitmap, 35, 0)
self.dis.update()
time.sleep(delay)
self.clear()
return
LED_BLUE = 27
def btn_press(channel):
print('button pressed')
def btn_hold(channel):
print('button held')
def btn_release(channel):
print('button released')
oled = OLED()
rgb = RGBLED(LED_RED, LED_GREEM, LED_BLUE)
btn = Button(BTN_PIN_GROUNDED,
debounce_time=0.2,
on_press=btn_press,
on_hold=btn_hold,
on_release=btn_release,
hold_repeat=True)
print('Waiting for button press. Testing button press.')
oled.display(['TESTING', 'Press Button', 'TESTING'])
btn.wait_for_release()
print('Waiting for button hold. Testing button hold.')
oled.display(['TESTING', 'Hold Button', 'TESTING'])
btn.wait_for_release()
# task3a.py
import time
from machine import Pin
from oled import OLED
from rotary_irq_esp import RotaryIRQ
oled = OLED()
oled.init_display()
r = RotaryIRQ(pin_num_clk=23,
pin_num_dt=19,
min_val=-100,
max_val=100,
reverse=True,
range_mode=RotaryIRQ.RANGE_BOUNDED)
val_old = r.value()
while True:
val_new = r.value()
if val_old != val_new:
val_old = val_new
oled.draw_text(32, 32, "{:4d}".format(val_new), size=2, space=2)
oled.display()
time.sleep_ms(20)
class UPS:
def __init__(self):
self.bat = Battery()
self.pisys = Pisys()
self.oled = OLED()
self.key = Key(self.keyCallback, self.shutdown)
self.haha = 1
def getTime(self):
time = datetime.datetime.now()
time = time.strftime('%m/%d %H:%M:%S')
return time
def show1(self):
self.oled.drawRectangle()
self.oled.drawText(line=0, str='Time:' + self.getTime())
self.oled.drawText(line=8, str='IP:' + self.pisys.getIP())
self.oled.drawText(line=16, str=self.pisys.getMemUsage())
self.oled.drawText(line=25, str=self.pisys.getDisk())
self.oled.display()
def show2(self):
self.oled.drawRectangle()
self.oled.drawText(line=0, str='Time:' + self.getTime())
self.oled.drawText(line=8,
str='CPUTemp:%.2f' % self.pisys.getCpuTemp())
self.oled.drawText(line=16, str=self.pisys.getCPULoad())
self.oled.drawText(line=25, str='Vbat:%.2fV' % self.bat.getVoltage())
self.oled.display()
def shutdown(self):
self.oled.drawRectangle()
self.oled.drawText(line=0, str='Time:' + self.getTime())
self.oled.drawText(line=8, str='Shutdown....')
self.oled.display()
time.sleep(3)
self.oled.clear()
os.system('sudo shutdown now')
os._exit()
def shutdown_lowbat(self):
self.oled.drawRectangle()
self.oled.drawText(line=0, str='Time:' + self.getTime())
self.oled.drawText(line=8, str='Low battery')
self.oled.drawText(line=16, str='Shutdown....')
self.oled.display()
time.sleep(3)
self.oled.clear()
os.system('sudo shutdown now')
os._exit()
def keyCallback(*arg):
# self.keyEvent(arg[1])
global whichShow
if arg[1] == 1: #tap
whichShow = whichShow + 1
if whichShow > 2:
whichShow = 1
elif arg[1] == 2: #long press
arg[2]()
while True:
pass
def __init__(self):
self.bat = Battery()
self.pisys = Pisys()
self.oled = OLED()
self.key = Key(self.keyCallback, self.shutdown)
self.haha = 1
elif map_screen_to_name(
active_screen_num
) == 'restart_screen' and hold_disp_ticks > get_screen_hold_action_time(
active_screen_num):
logging.info(f'Restart hold time reached')
oled.display(['Restarting', 'Raspberry Pi', 'Now'])
subprocess.Popen('sudo reboot now', shell=True)
time.sleep(1) # wait so the shutdown screen stays while processing cmd
# *** END BUTTON FUNCTIONS ***
rgb = RGBLED(LED_RED, LED_GREEM, LED_BLUE)
rgb.set_colour('green')
oled = OLED()
btn = Button(BTN_PIN_GROUNDED,
debounce_time=0.2,
on_press=btn_press,
on_hold=btn_hold,
on_release=btn_release,
hold_repeat=True)
def main():
global needs_update, active_screen_num
try:
while True:
try:
# Constantly check for screen update
import httplib
#Son para el display
from oled import OLED
from oled import Font
from oled import Graphics
def internet_off():
conn = httplib.HTTPConnection("www.google.com")
try:
conn.request("HEAD", "/")
return False
except:
return True
dis = OLED(1)
# Start display
dis.begin()
# Start basic initialization
dis.initialize()
# Do additional configuration
dis.set_memory_addressing_mode(0)
dis.set_column_address(0, 127)
dis.set_page_address(0, 7)
while True:
sensorth = 4
gas_sensor = 1
def main():
try:
# init UDP socket
UDP_IP = '' # recieve from all IPs
UDP_PORT = 8008
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
sock.bind((UDP_IP, UDP_PORT))
print('Bind UDP socket on %d' % UDP_PORT)
# init control object for OLED display
oled = OLED(rst=24, i2c_addr=0x3C)
oled.on() # turn on display
# set font face and size
"""
for font face you can use the path of your ttf file(just with name if in current dir)
or you can use truetype fonts in /usr/share/fonts/truetype
"""
oled.set_text_style('FreeMono.ttf', fontsize=20, position=(10, 10))
print('OLED init finished')
# --- recieve loop ---
while True:
data, addr = sock.recvfrom(1024)
oled.display_text(data) # display text on OLED
except KeyboardInterrupt:
print('\nKeyboardInterrupt, exit')
oled.off() # turn off display
exit(0)
finally:
# turn off display
oled = OLED(rst=24, i2c_addr=0x3C)
oled.off()
exit(0)
from oled import OLED # load oled module from flash memory oled = OLED() # Instantiate an OLED object oled.poweron() oled.init_display() # initialise the OLED display # Simple Hello world message oled.draw_text(0, 0, 'Hello World!') # each character is 6x8 pixels oled.display() # flush display# Write your code here :-)
from time import time, sleep
from random import randint, choice
from gpiozero import RGBLED, Button, Buzzer
from colorzero import Color
from exercise import Exercise
from challenge import Challenge
from all_activities import exercises
from oled import OLED
#define inputs and outputs
led = RGBLED(red=17, green=27, blue=22)
button = Button(4, pull_up=False)
buzzer = Buzzer(18)
oled = OLED()
oled.clear_image()
'''
Cycle through different modes using button. Hold button down for more than 2 seconds and the
LED will turn green and the displayed mode will be selected.
NORMAL - regular minute timing
LIGHTNING - reduces minutes into seconds for fast activity draw
Called from main and result passed into generate_rand_time
'''
def select_mode():
select = False
modes = ["LIGHTNING", "NORMAL"]
from wlan_manager import wifi
from utils import *
## https://github.com/loboris/MicroPython_ESP32_psRAM_LoBo/tree/master/MicroPython_BUILD/components/micropython/esp32/modules
## https://github.com/peterhinch/micropython-async/blob/master/TUTORIAL.md#71-why-scheduling
## https://github.com/peterhinch/Micropython-scheduler
## https://github.com/micropython/micropython/tree/master/ports/esp32/modules
def printD(message, end='\n'):
if settings.DEBUG:
print(message, end=end)
oled = OLED()
oled.welcome()
wlan = wifi(debug=settings.DEBUG)
wlan.static_network(ip='192.168.0.111', gateway='192.168.0.1')
if not wlan.do_connect(settings.WLAN_SSID, settings.WLAN_PASSWD):
printD("Could not initialize the network connection.")
oled.clear()
oled.text("Could not initialize network.", 0, 5)
wlan.access_point(password=settings.WLAN_AP_PASS, authmode=3)
oled.clear()
oled.text("WLAN IP", 0, 5)
oled.text(str(wlan.ipadd), 0, 15)
class SpoonPi:
def __init__(self):
print('Loading the ForkPi database...')
self.db = ForkpiDB()
print('Loading options...')
attempt_limit = self.load_option('attempt_limit')
lockout_time = self.load_option('lockout_time_minutes')
self.lockout_table = LockoutTable(attempt_limit, lockout_time)
self.keypad_timeout = self.load_option('keypad_timeout_seconds')
self.max_transaction_time = self.load_option(
'max_transaction_time_seconds')
self.lock_release_time = self.load_option('lock_release_time_seconds')
print('Loading (F)ingerprint Scanner...')
self.fingerprint_thread = FingerprintThread(lambda: ForkpiDB())
print('Loading (O)LED...')
self.led = OLED()
print('Loading (R)FID Reader...')
self.rfid_thread = RfidThread()
print('Loading (K)eypad...')
self.keypad_thread = KeypadThread()
print('Connecting to (dummy) door lock...')
self.door_lock = DoorLock()
# maps RFID UIDs to incorrect streak and remaining lockout time
self.transaction_timer = self.new_timer()
# start polling for cards and fingers
self.rfid_thread.start()
self.fingerprint_thread.start()
self.keypad_thread.start()
def new_timer(self):
# ends a pending transaction after a timer if the current self.factors are not enough to be authenticated
# call the function `deny_then_end_transaction` after `max_transaction_time` seconds have elapsed
return Timer(self.max_transaction_time,
self.deny_then_end_transaction,
kwargs={'reason': 'insufficient credentials'})
def load_option(self, name):
value, default = self.db.fetch_option(name)
if value.isdigit() and value != default:
print(' custom : {} = {}'.format(name, value))
return int(value)
else:
print(' default: {} = {}'.format(name, default))
return int(default)
def allow_access(self, names, *args, **kwargs):
assert len(args) == 0
if 'pin' in kwargs.keys():
# convert pin to asterisks so pin is not exposed in the logs
kwargs['pin'] = '*' * len(kwargs['pin'])
names = ', '.join(names)
print("> Allowed %s" % names)
self.db.log_allowed(names=names, **kwargs)
self.door_lock.unlock()
self.led.clear_then_puts("Access\n granted")
time.sleep(self.lock_release_time)
self.door_lock.lock()
def deny_access(self,
reason,
led_message="Access\n denied",
*args,
**kwargs):
assert len(args) == 0
print("> %s" % led_message.replace('\n ', ' '), kwargs)
self.db.log_denied(reason=reason, **kwargs)
self.led.clear_then_puts(led_message)
time.sleep(0.5)
def single_factor_authentication(self, *args, **kwargs):
assert len(args) == 0
assert len(kwargs.keys()) == 1
is_authorized, names = self.db.authenticate(pin='', **kwargs)
if is_authorized:
self.allow_access(names=names, pin='', **kwargs)
return is_authorized
def two_factor_authentication(self, *args, **kwargs):
assert len(args) == 0
assert len(kwargs) == 2
use_lockout_table = False
if 'pin' in kwargs and 'rfid_uid' in kwargs:
use_lockout_table = True
if use_lockout_table:
rfid_uid = kwargs['rfid_uid']
is_locked_out, time_left = self.lockout_table.get_lockout(rfid_uid)
if is_locked_out:
self.deny_access(reason="locked out",
led_message="Locked out\n for %sm" %
time_left,
**kwargs)
return False
is_authorized, names = self.db.authenticate(**kwargs)
if is_authorized:
self.allow_access(names=names, **kwargs)
if use_lockout_table:
self.lockout_table.reset_streak(rfid_uid)
else:
self.deny_access(reason='invalid key pair', **kwargs)
if use_lockout_table:
self.lockout_table.failed_attempt(rfid_uid)
return is_authorized
def pin_authentication(self):
'''
Returns (pin, timeout) where
pin = the pin entered (string)
timeout = whether the keypad timed out (boolean)
'''
pin = ''
self.led.clear_then_puts("Enter PIN:\n")
# First key that triggered this pin authentication
key = self.keypad_thread.get_key()
while True:
if key is None: # timed out!
return pin, True
elif key.isdigit():
pin += str(key)
self.led.puts('*')
elif key == '*': # backspace
pin = pin[:-1]
self.led.puts('\b')
elif key == '#': # enter
return pin, False
key = self.keypad_thread.getch(timeout=self.keypad_timeout)
def start_transaction_timer(self):
self.transaction_timer = self.new_timer()
self.transaction_timer.start()
def stop_transaction_timer(self):
self.transaction_timer.cancel()
def deny_then_end_transaction(self, reason):
self.deny_access(reason=reason, **self.factors)
self.end_transaction()
def end_transaction(self):
self.is_transacting = False
self.stop_transaction_timer()
def new_transaction(self):
self.is_transacting = True
self.factors = dict()
self.led.clear_then_puts("Swipe, scan,\nor push key")
self.rfid_thread.start_polling()
self.fingerprint_thread.start_polling()
self.keypad_thread.start_polling()
while self.is_transacting:
if self.rfid_thread.tag_swiped:
self.stop_transaction_timer()
self.rfid_thread.stop_polling()
self.factors['rfid_uid'] = self.rfid_thread.get_rfid_uid()
self.lockout_table.update_timers()
if self.single_factor_authentication(
rfid_uid=self.factors['rfid_uid']):
# single factor succeeded; end transaction
self.end_transaction()
elif len(self.factors) == 1:
# single factor failed; wait for another factor
self.led.clear_then_puts("RFID tag\n swiped!")
self.start_transaction_timer()
else: # len(self.factors) == 2
self.two_factor_authentication(**self.factors)
self.end_transaction()
elif self.fingerprint_thread.finger_scanned:
self.stop_transaction_timer()
self.fingerprint_thread.stop_polling()
self.factors[
'fingerprint_matches'] = self.fingerprint_thread.get_matches(
)
if self.single_factor_authentication(
fingerprint_matches=self.factors['fingerprint_matches']
):
# single factor succeeded; end transaction
self.end_transaction()
elif len(self.factors) == 1:
# single factor failed; wait for another factor
self.led.clear_then_puts("Finger\n scanned!")
self.start_transaction_timer()
else: # len(self.factors) == 2
self.two_factor_authentication(**self.factors)
self.end_transaction()
elif self.keypad_thread.key_pressed:
self.stop_transaction_timer()
self.keypad_thread.stop_polling()
self.factors['pin'], timed_out = self.pin_authentication()
if timed_out:
self.deny_then_end_transaction(reason='keypad timeout')
# pin was entered correctly
elif len(self.factors) == 1:
# wait for another factor
self.led.clear_then_puts("PIN\n entered!")
self.start_transaction_timer()
else: # len(self.factors) == 2
self.stop_transaction_timer()
self.two_factor_authentication(**self.factors)
self.end_transaction()
bitmap = 'bitmaps/raspberry-pi-logo.bmp'
# Draw image location at x,y
def drawImage(bitmap, x, y):
img = Image.open(bitmap)
w = img.size[0]
h = img.size[1]
try:
for i in range(0, w):
for j in range(0, h):
xy = (i, j)
if img.getpixel(xy):
Graphics.draw_pixel(i + x, j + y, False)
else:
Graphics.draw_pixel(i + x, j + y, True)
except:
pass
# Initialize library.
dis = OLED(1)
dis.begin()
# Clear display.
dis.clear()
drawImage(bitmap, 35, 0)
dis.update()
sys.exit(0)
class SpoonPi:
def __init__(self):
print('Loading the ForkPi database...')
self.db = ForkpiDB()
print('Loading options...')
attempt_limit = self.load_option('attempt_limit')
lockout_time = self.load_option('lockout_time_minutes')
self.lockout_table = LockoutTable(attempt_limit, lockout_time)
self.keypad_timeout = self.load_option('keypad_timeout_seconds')
self.max_transaction_time = self.load_option('max_transaction_time_seconds')
self.lock_release_time = self.load_option('lock_release_time_seconds')
print('Loading (F)ingerprint Scanner...')
self.fingerprint_thread = FingerprintThread(lambda: ForkpiDB())
print('Loading (O)LED...')
self.led = OLED()
print('Loading (R)FID Reader...')
self.rfid_thread = RfidThread()
print('Loading (K)eypad...')
self.keypad_thread = KeypadThread()
print('Connecting to (dummy) door lock...')
self.door_lock = DoorLock()
# maps RFID UIDs to incorrect streak and remaining lockout time
self.transaction_timer = self.new_timer()
# start polling for cards and fingers
self.rfid_thread.start()
self.fingerprint_thread.start()
self.keypad_thread.start()
def new_timer(self):
# ends a pending transaction after a timer if the current self.factors are not enough to be authenticated
# call the function `deny_then_end_transaction` after `max_transaction_time` seconds have elapsed
return Timer(self.max_transaction_time, self.deny_then_end_transaction, kwargs={'reason':'insufficient credentials'})
def load_option(self, name):
value, default = self.db.fetch_option(name)
if value.isdigit() and value != default:
print(' custom : {} = {}'.format(name, value))
return int(value)
else:
print(' default: {} = {}'.format(name, default))
return int(default)
def allow_access(self, names, *args, **kwargs):
assert len(args) == 0
if 'pin' in kwargs.keys():
# convert pin to asterisks so pin is not exposed in the logs
kwargs['pin'] = '*' * len(kwargs['pin'])
names = ', '.join(names)
print("> Allowed %s" % names)
self.db.log_allowed(names=names, **kwargs)
self.door_lock.unlock()
self.led.clear_then_puts("Access\n granted")
time.sleep(self.lock_release_time)
self.door_lock.lock()
def deny_access(self, reason, led_message="Access\n denied", *args, **kwargs):
assert len(args) == 0
print("> %s" % led_message.replace('\n ', ' '), kwargs)
self.db.log_denied(reason=reason, **kwargs)
self.led.clear_then_puts(led_message)
time.sleep(0.5)
def single_factor_authentication(self, *args, **kwargs):
assert len(args) == 0
assert len(kwargs.keys()) == 1
is_authorized, names = self.db.authenticate(pin='', **kwargs)
if is_authorized:
self.allow_access(names=names, pin='', **kwargs)
return is_authorized
def two_factor_authentication(self, *args, **kwargs):
assert len(args) == 0
assert len(kwargs) == 2
use_lockout_table = False
if 'pin' in kwargs and 'rfid_uid' in kwargs:
use_lockout_table = True
if use_lockout_table:
rfid_uid = kwargs['rfid_uid']
is_locked_out, time_left = self.lockout_table.get_lockout(rfid_uid)
if is_locked_out:
self.deny_access(
reason="locked out",
led_message="Locked out\n for %sm" % time_left,
**kwargs
)
return False
is_authorized, names = self.db.authenticate(**kwargs)
if is_authorized:
self.allow_access(names=names, **kwargs)
if use_lockout_table:
self.lockout_table.reset_streak(rfid_uid)
else:
self.deny_access(reason='invalid key pair', **kwargs)
if use_lockout_table:
self.lockout_table.failed_attempt(rfid_uid)
return is_authorized
def pin_authentication(self):
'''
Returns (pin, timeout) where
pin = the pin entered (string)
timeout = whether the keypad timed out (boolean)
'''
pin = ''
self.led.clear_then_puts("Enter PIN:\n")
# First key that triggered this pin authentication
key = self.keypad_thread.get_key()
while True:
if key is None: # timed out!
return pin, True
elif key.isdigit():
pin += str(key)
self.led.puts('*')
elif key == '*': # backspace
pin = pin[:-1]
self.led.puts('\b')
elif key == '#': # enter
return pin, False
key = self.keypad_thread.getch(timeout=self.keypad_timeout)
def start_transaction_timer(self):
self.transaction_timer = self.new_timer()
self.transaction_timer.start()
def stop_transaction_timer(self):
self.transaction_timer.cancel()
def deny_then_end_transaction(self, reason):
self.deny_access(reason=reason, **self.factors)
self.end_transaction()
def end_transaction(self):
self.is_transacting = False
self.stop_transaction_timer()
def new_transaction(self):
self.is_transacting = True
self.factors = dict()
self.led.clear_then_puts("Swipe, scan,\nor push key")
self.rfid_thread.start_polling()
self.fingerprint_thread.start_polling()
self.keypad_thread.start_polling()
while self.is_transacting:
if self.rfid_thread.tag_swiped:
self.stop_transaction_timer()
self.rfid_thread.stop_polling()
self.factors['rfid_uid'] = self.rfid_thread.get_rfid_uid()
self.lockout_table.update_timers()
if self.single_factor_authentication(rfid_uid=self.factors['rfid_uid']):
# single factor succeeded; end transaction
self.end_transaction()
elif len(self.factors) == 1:
# single factor failed; wait for another factor
self.led.clear_then_puts("RFID tag\n swiped!")
self.start_transaction_timer()
else: # len(self.factors) == 2
self.two_factor_authentication(**self.factors)
self.end_transaction()
elif self.fingerprint_thread.finger_scanned:
self.stop_transaction_timer()
self.fingerprint_thread.stop_polling()
self.factors['fingerprint_matches'] = self.fingerprint_thread.get_matches()
if self.single_factor_authentication(fingerprint_matches=self.factors['fingerprint_matches']):
# single factor succeeded; end transaction
self.end_transaction()
elif len(self.factors) == 1:
# single factor failed; wait for another factor
self.led.clear_then_puts("Finger\n scanned!")
self.start_transaction_timer()
else: # len(self.factors) == 2
self.two_factor_authentication(**self.factors)
self.end_transaction()
elif self.keypad_thread.key_pressed:
self.stop_transaction_timer()
self.keypad_thread.stop_polling()
self.factors['pin'], timed_out = self.pin_authentication()
if timed_out:
self.deny_then_end_transaction(reason='keypad timeout')
# pin was entered correctly
elif len(self.factors) == 1:
# wait for another factor
self.led.clear_then_puts("PIN\n entered!")
self.start_transaction_timer()
else: # len(self.factors) == 2
self.stop_transaction_timer()
self.two_factor_authentication(**self.factors)
self.end_transaction()
from oled import OLED from oled import Font from oled import Graphics # Connect to the display on /dev/i2c-0 dis = OLED(0) # Start communication dis.begin() # Start basic initialization dis.initialize() # Do additional configuration dis.set_memory_addressing_mode(0) dis.set_column_address(0, 127) dis.set_page_address(0, 7) # Clear display dis.clear() # Set font scale x2 f = Font(2) # Print some large text f.print_string(6, 0, "OLIMEX LTD") # Change font to 5x7 f.scale = 1 f.print_string(0, 24, "MOD-OLED-128x64") f.print_string(0, 32, "olimex.com")
from oled import OLED
from oled import Graphics
from PIL import Image
import sys
# Connect to the display on /dev/i2c-1
dis = OLED(1)
# Start communication
dis.begin()
# Start basic initialization
dis.initialize()
# Do additional configuration
dis.set_memory_addressing_mode(0)
dis.set_column_address(0, 127)
dis.set_page_address(0, 7)
# Clear display
dis.clear()
files = [
"CLOWN1.BMP", "CLOWN2.BMP", "CLOWN3.BMP", "CLOWN4.BMP", "CLOWN5.BMP",
"CLOWN6.BMP", "CLOWN7.BMP", "CLOWN8.BMP"
]
while True:
for file in files:
img = Image.open("clowns/" + file)
