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Cleanups #78

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Cleanups #78

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23694ee
Drop unused imports
ukleinek Aug 4, 2019
bb49109
Make compatible with python3
ukleinek Aug 4, 2019
d6f7ffe
Remove trailing whitespace
ukleinek Aug 5, 2019
4eba92f
MFRC522: drop unnecessary ; at line ends
ukleinek Aug 5, 2019
03b7d05
MFRC522: convert DOS to UNIX line endings
ukleinek Aug 5, 2019
2901e51
MFRC522: fold MFRC522_Init into its only caller
ukleinek Oct 7, 2019
472c8b2
MFRC522: improve RPi.GPIO usage
ukleinek Oct 7, 2019
b22cae3
MFRC522: pass initial value for output GPIO
ukleinek Oct 7, 2019
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18 changes: 8 additions & 10 deletions Dump.py
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Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,6 @@
# along with MFRC522-Python. If not, see <http://www.gnu.org/licenses/>.
#

import RPi.GPIO as GPIO
import MFRC522
import signal

Expand All @@ -30,9 +29,8 @@
# Capture SIGINT for cleanup when the script is aborted
def end_read(signal,frame):
global continue_reading
print "Ctrl+C captured, ending read."
print("Ctrl+C captured, ending read.")
continue_reading = False
GPIO.cleanup()

# Hook the SIGINT
signal.signal(signal.SIGINT, end_read)
Expand All @@ -42,26 +40,26 @@ def end_read(signal,frame):

# This loop keeps checking for chips. If one is near it will get the UID and authenticate
while continue_reading:
# Scan for cards

# Scan for cards
(status,TagType) = MIFAREReader.MFRC522_Request(MIFAREReader.PICC_REQIDL)

# If a card is found
if status == MIFAREReader.MI_OK:
print "Card detected"
print("Card detected")

# Get the UID of the card
(status,uid) = MIFAREReader.MFRC522_Anticoll()

# If we have the UID, continue
if status == MIFAREReader.MI_OK:

# Print UID
print "Card read UID: %s,%s,%s,%s" % (uid[0], uid[1], uid[2], uid[3])
print("Card read UID: %s,%s,%s,%s" % (uid[0], uid[1], uid[2], uid[3]))

# This is the default key for authentication
key = [0xFF,0xFF,0xFF,0xFF,0xFF,0xFF]

# Select the scanned tag
MIFAREReader.MFRC522_SelectTag(uid)

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