brmlab/brmdoor_libnfc
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Added timeouts so that reader doesn't bombard with UIDs. Changed queue length to 1 to make it block.

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This commit is contained in:
Ondrej Mikle 2014-07-20 21:44:51 +02:00
parent 8f41b868a0
commit b1c569e86f
1 changed files with 8 additions and 3 deletions
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9
brmdoor_nfc_daemon.py
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@ -4,6 +4,7 @@ import sys
import threading import threading
import Queue import Queue
import logging import logging
import time
from binascii import hexlify from binascii import hexlify
@ -31,9 +32,11 @@ class NfcThread(threading.Thread):
try: try:
uid_hex = hexlify(self.nfc.scanUID()) uid_hex = hexlify(self.nfc.scanUID())
logging.info("Got UID %s" % uid_hex) logging.info("Got UID %s" % uid_hex)
if len(uid_hex) > 0:
self.uidQueue.put(uid_hex) self.uidQueue.put(uid_hex)
time.sleep(0.3)
except NFCError, e: except NFCError, e:
logging.warn("Failed to wait for RFID card", e) logging.warn("Failed to wait for RFID card: %s", e)
class UnlockThread(threading.Thread): class UnlockThread(threading.Thread):
@ -61,14 +64,16 @@ class UnlockThread(threading.Thread):
if record is None: if record is None:
logging.info("Unknown UID %s", uid_hex) logging.info("Unknown UID %s", uid_hex)
time.sleep(1)
else: else:
logging.info("Unlocking for %s", record) logging.info("Unlocking for %s", record)
time.sleep(1)
if __name__ == "__main__": if __name__ == "__main__":
logging.basicConfig(stream=sys.stderr, level=logging.DEBUG, logging.basicConfig(stream=sys.stderr, level=logging.DEBUG,
format="%(asctime)s %(levelname)s %(message)s [%(pathname)s:%(lineno)d]") format="%(asctime)s %(levelname)s %(message)s [%(pathname)s:%(lineno)d]")
uidQueue = Queue.Queue(512) uidQueue = Queue.Queue(1)
#TODO use SafeConfigParser to get actual config data #TODO use SafeConfigParser to get actual config data
nfcThread = NfcThread(uidQueue) nfcThread = NfcThread(uidQueue)