def simulate_scan(self):
"""Simulate OV card scan by entering the serial key"""
user = User(self.scan_simulation.get())
if user.is_registered():
self.frame.pack_forget()
InfoScreen(self.master, user)
else:
self.frame.pack_forget()
RegisterScreen(self.master, user.get_ov())
def scan(self, static_ov=None):
"""Scan OV card with RFID-RC522 chip"""
global ov_read
if static_ov:
ov = static_ov
user = User(ov)
ov_read = False
if user.is_registered():
self.frame.pack_forget()
InfoScreen(self.master, user)
else:
self.frame.pack_forget()
RegisterScreen(self.master, user.get_ov())
else:
reader = MFRC522()
# Hook the SIGINT, Scan for cards
signal.signal(signal.SIGINT, self.end_read)
reader.MFRC522_Request(reader.PICC_REQIDL)
# Get the UID of the card
(status, uid) = reader.MFRC522_Anticoll()
# If we have the UID, continue
if status == reader.MI_OK:
ov = '{}:{}:{}:{}'.format(uid[0], uid[1], uid[2], uid[3])
user = User(ov)
ov_read = False
if user.is_registered():
self.frame.pack_forget()
InfoScreen(self.master, user)
else:
self.frame.pack_forget()
RegisterScreen(self.master, user.get_ov())
else:
self.master.after(200, self.scan)
