tanner/airlock-dvslc
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Explicitly set relay open and close states

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This commit is contained in:
Tanner Collin 2023-03-15 20:42:31 +00:00
parent 06cf642074
commit b84c968845
1 changed files with 8 additions and 6 deletions
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14
main.py
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@ -17,8 +17,10 @@ from signal import *
import secrets import secrets
RELAY_PIN = 17 RELAY_PIN = 17
RELAY_CLOSE = GPIO.LOW
RELAY_OPEN = GPIO.HIGH
RFID_EN_PIN = 27 RFID_EN_PIN = 27
CARDS_FILE = 'card_data.json' CARDS_FILE = 'card_data.json'
OPEN_DURATION = 4 OPEN_DURATION = 4
@ -26,17 +28,17 @@ OPEN_DURATION = 4
ser = None ser = None
def unlock_door(): def unlock_door():
GPIO.output(RELAY_PIN, GPIO.HIGH) GPIO.output(RELAY_PIN, RELAY_CLOSE)
GPIO.output(RFID_EN_PIN, GPIO.HIGH) GPIO.output(RFID_EN_PIN, GPIO.HIGH)
time.sleep(OPEN_DURATION) time.sleep(OPEN_DURATION)
GPIO.output(RELAY_PIN, GPIO.LOW) GPIO.output(RELAY_PIN, RELAY_OPEN)
GPIO.output(RFID_EN_PIN, GPIO.LOW) GPIO.output(RFID_EN_PIN, GPIO.LOW)
def lock_door_on_exit(*args): def lock_door_on_exit(*args):
logging.info('Exiting, locking door...') logging.info('Exiting, locking door...')
GPIO.output(RELAY_PIN, GPIO.LOW) GPIO.output(RELAY_PIN, RELAY_OPEN)
GPIO.output(RFID_EN_PIN, GPIO.LOW) GPIO.output(RFID_EN_PIN, GPIO.LOW)
os._exit(0) os._exit(0)
@ -46,12 +48,12 @@ def init():
GPIO.setwarnings(False) GPIO.setwarnings(False)
GPIO.setmode(GPIO.BCM) GPIO.setmode(GPIO.BCM)
GPIO.setup(RELAY_PIN, GPIO.OUT) GPIO.setup(RELAY_PIN, GPIO.OUT)
GPIO.output(RELAY_PIN, GPIO.LOW) GPIO.output(RELAY_PIN, RELAY_OPEN)
GPIO.setup(RFID_EN_PIN, GPIO.OUT) GPIO.setup(RFID_EN_PIN, GPIO.OUT)
GPIO.output(RFID_EN_PIN, GPIO.LOW) GPIO.output(RFID_EN_PIN, GPIO.LOW)
logging.info('GPIO initialized') logging.info('GPIO initialized')
ser = serial.Serial(port='/dev/ttyAMA0', baudrate=secrets.BAUD_RATE, timeout=0.05) ser = serial.Serial(port='/dev/ttyAMA0', baudrate=secrets.BAUD_RATE, timeout=0.06)
logging.info('Serial initialized') logging.info('Serial initialized')
for sig in (SIGABRT, SIGILL, SIGINT, SIGSEGV, SIGTERM): for sig in (SIGABRT, SIGILL, SIGINT, SIGSEGV, SIGTERM):