Added bin/txt converters

2017-05-30 23:18:04 +02:00
parent 369e300e48
commit 5f396c7637
2 changed files with 44 additions and 0 deletions
--- a/txttobin.py
+++ b/txttobin.py
@ -0,0 +1,28 @@
+import sys
+data = file(sys.argv[1], 'rb').readlines()
+uid = sys.argv[1].replace('.txt','')
+
+def parity(x):
+    return ("{0:08b}".format(x).count('1') & 1)
+
+uid=raw_input("uid> ")
+fp = file(uid+'_generated.bin','wb')
+fp.write(uid.decode('hex')+"\x00"*2)
+bits = 0
+pbits = 0
+for l in data:
+    if bits == 8:
+        fp.write(chr(pbits))
+        bits = 0
+        pbits = 0
+    hexbytes = filter(None, l.strip().split(' '))
+    bits += 4
+    for x in hexbytes:
+        b = int(x.replace('!', ''), 16)
+        p = parity(b)
+        if '!' not in x:
+            p^=1
+        pbits <<= 1
+        pbits |= p
+        fp.write(chr(b))
+