def checkCard(self):
if rfid.tagIsPresent():
if rfid.readMifare():
uid = rfid.getUniqueId()
cid = self.myDatabase.cardExists(uid)
if cid >= 0:
#print ("CHECK: Card found")
return cid
else:
#print ("CHECK: Card NOT found")
return -1
else:
return -1
else:
return -1
def waitTillCardRemoved(self):
while rfid.tagIsPresent():
time.sleep(0.2)
# Import this module to gain access to the RFID driver
import rfid
import urllib2
import time
# Keep track of what the last tag we saw was
old_tag = 0
api = "http://localhost:8000/api/"
# This, like, forever!
while True:
# try to check to see if a card is present
try:
tagIsPresent = rfid.tagIsPresent()
except:
time.sleep(0.2)
continue
# If one is, see if it's different to the one we had before
if tagIsPresent:
# try and grab the data
try:
rfid.readMifare()
uid = rfid.getUniqueId()
except:
time.sleep(0.2)
continue
# If it's a new tag, then do the thing!