Fixes an issue reading 7bit UID values

Author: Xykon

lib/MFRC630/MFRC630.py

@@ -702,7 +702,7 @@ def mfrc630_iso14443a_select(self, uid):
                     uid[(cascade_level - 1) * 3 + UIDn] = uid_this_level[UIDn];
 
                 # Finally, return the length of the UID that's now at the uid "pointer".
-            return cascade_level * 3 + 1;
+                return cascade_level * 3 + 1
 
         self.print_debug("Exit cascade loop nr. %d: " % cascade_level)
         self.mfrc630_print_block(uid, 10)

pyscan/lib/MFRC630.mpy

@@ -1,6 +1,6 @@
 '''
 Simple Pyscan NFC / MiFare Classic Example
-Copyright (c) 2019, Pycom Limited.
+Copyright (c) 2020, Pycom Limited.
 
 This example runs the NFC discovery loop in a thread.
 If a card is detected it will read the UID and compare it to VALID_CARDS
@@ -20,7 +20,8 @@
 import _thread
 
 VALID_CARDS = [[0x43, 0x95, 0xDD, 0xF8],
-               [0x43, 0x95, 0xDD, 0xF9]]
+               [0x43, 0x95, 0xDD, 0xF9],
+               [0x46, 0x5A, 0xEB, 0x7D, 0x8A, 0x08, 0x04]]
 
 py = Pyscan()
 nfc = MFRC630(py)