From 29ffee3d76f298276feefb4c6edb0edef6306b73 Mon Sep 17 00:00:00 2001
From: Tobias Schneider <mail@tobias-schneider.io>
Date: Mon, 30 Jul 2018 19:37:44 +0200
Subject: [PATCH] Changed UID to HEX

---
 read.py  | 12 ++++++------
 write.py | 12 ++++++------
 2 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/read.py b/read.py
index a315055..ad185f9 100644
--- a/read.py
+++ b/read.py
@@ -8,11 +8,11 @@ DEFAULT_KEY = [0xFF,0xFF,0xFF,0xFF,0xFF,0xFF]
 # Selecting key
 KEY = DEFAULT_KEY
 
-def uid_to_num(uid):
-    n = 0
-    for i in range(0, 5):
-        n = n * 256 + uid[i]
-    return n
+def format_uid(uid):
+    s = ""
+    for i in range(0, len(uid)):
+        s += "%x" % uid[i]
+    return s.upper()
 
 RFID = MFRC522.MFRC522()
 
@@ -84,7 +84,7 @@ while True:
                     data += block
             if data:
                 text_read = "".join(chr(i) for i in data)
-            print "UID:  ", uid_to_num(UID)
+            print "UID:  ", format_uid(UID)
             print "Data: ", text_read,"\n"
         else:
             print "Can't access sector", Sector, "!\n"
diff --git a/write.py b/write.py
index 279b8e2..f8eec6f 100644
--- a/write.py
+++ b/write.py
@@ -8,11 +8,11 @@ DEFAULT_KEY = [0xFF,0xFF,0xFF,0xFF,0xFF,0xFF]
 # Selecting key
 KEY = DEFAULT_KEY
 
-def uid_to_num(uid):
-    n = 0
-    for i in range(0, 5):
-        n = n * 256 + uid[i]
-    return n
+def format_uid(uid):
+    s = ""
+    for i in range(0, len(uid)):
+        s += "%x" % uid[i]
+    return s.upper()
 
 RFID = MFRC522.MFRC522()
 
@@ -90,7 +90,7 @@ while True:
             for block_num in BlockAddrs:
                 RFID.Write(block_num, data[(i*16):(i+1)*16])
                 i += 1
-            print "UID:  ", uid_to_num(UID)
+            print "UID:  ", format_uid(UID)
             print "Data: ", text[0:(len(BlockAddrs) * 16)], "\n"
         else:
             print "Can't access sector", Sector, "!\n"