def loop():
keypad = Keypad(keys,rowsPins,colsPins,ROWS,COLS)
keypad.setDebounceTime(50)
mcp.output(3,1)
lcd.begin(16,2)
while(True):
lcd.clear()
lcd.setCursor(0,0)
# Create an object of the class MFRC522
MIFAREReader = MFRC522.MFRC522()
lcd.message('Scan card')
key = keypad.getKey()
if(key != keypad.NULL):
print ("You Pressed Key : %c "%(key) )
sleep(.5)
def listenForKeypadEvents():
kp = Keypad()
digit = None
try:
while True:
if digit == None:
digit = kp.getKey() # blocking call
else:
print digit
print("key pressed: " + digit)
logger.info("Key pressed: " + digit)
toggle_switch(digit)
time.sleep(.4)
digit = None
except KeyboardInterrupt:
print("Keyboard interrupt")
GPIO.cleanup()
global confirm
global b_press
# print('Time is up!')
confirm = ""
b_press = False
t2 = threading.Thread(target=sub)
t2.start()
while (True):
# if cap.isOpened():
# cap.release()
key = kp.getKey() # 눌려진 key값을 받아옴
if (key != None):
bz.beep(0.1, n=1) # 0.1초동안 한번 울림
if (str(key) != "*"): # 키입력중
if (b_press == False): # 첫번째 키 입력이면
#start = time.time()
b_press = True
# 3초동안 누르지 않을경우 settimeout 함수 구현해야 됨
t = Timer(timeout, reset)
t.start()
else:
# pass #타이머 리스타트
t.cancel()
t = Timer(timeout, reset)
