Created
August 14, 2023 08:50
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| import RPi.GPIO as GPIO | |
| from mfrc522 import SimpleMFRC522 | |
| import time | |
| import datetime | |
| import csv | |
| relayPin = 4 | |
| GPIO.setwarnings(False) | |
| GPIO.setmode(GPIO.BCM) | |
| GPIO.setup(relayPin, GPIO.OUT) | |
| GPIO.output(relayPin,1) | |
| def pin_on(pin): | |
| GPIO.output(pin,0) | |
| def pin_off(pin): | |
| GPIO.output(pin,1) | |
| def getUsers(): | |
| with open("/home/pi/Desktop/verified") as file: | |
| return list(csv.reader(file)) | |
| def tmr(): | |
| return datetime.date.today()+ datetime.timedelta(days=1) | |
| rfid= SimpleMFRC522() | |
| verified = getUsers() | |
| updateDate = tmr() | |
| print("Sentry started") | |
| try: | |
| while True: | |
| cardid = rfid.read_id() | |
| print(cardid) | |
| now = datetime.datetime.now() | |
| if now.date() >= updateDate: | |
| verified = getUsers() | |
| updateDate = tmr() | |
| for user in verified: | |
| if user[2] == str(cardid): | |
| if str(now.isoweekday()) in user[3]: | |
| pin_on(relayPin) | |
| print(user[0],now) | |
| time.sleep(2) | |
| pin_off(relayPin) | |
| break | |
| else: | |
| print(user[0], ":Time restricted -", now) | |
| time.sleep(2) | |
| finally: | |
| pin_off(relayPin) | |
| GPIO.cleanup() | |
| print("cleaned up") |
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