MAJOR update, added hitag2 reader, emulation and eavesdropping, lots of new code...

[proxmark3-svn] / common / crc16.c

diff --git a/common/crc16.c b/common/crc16.c
index 6cdf3ea3b2023e91efb8717ea104bb37e3682bb0..d181bb2a7f8a649d6fa2795be1251606e80589bd 100644 (file)
--- a/common/crc16.c
+++ b/common/crc16.c
@@ -1,11 +1,22 @@
-unsigned short update_crc16( WORD crc, BYTE c ) {\r
-       WORD i, v, tcrc = 0;\r
-\r
-       v = (crc ^ c) & 0xff;\r
-  for (i = 0; i < 8; i++) {\r
-      tcrc = ( (tcrc ^ v) & 1 ) ? ( tcrc >> 1 ) ^ 0x8408 : tcrc >> 1;\r
-      v >>= 1;\r
-  }\r
-\r
-  return (crc >> 8) ^ tcrc;\r
-}\r
+//-----------------------------------------------------------------------------
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// CRC16
+//-----------------------------------------------------------------------------
+
+#include "crc16.h"
+
+unsigned short update_crc16( unsigned short crc, unsigned char c )
+{
+  unsigned short i, v, tcrc = 0;
+
+  v = (crc ^ c) & 0xff;
+  for (i = 0; i < 8; i++) {
+      tcrc = ( (tcrc ^ v) & 1 ) ? ( tcrc >> 1 ) ^ 0x8408 : tcrc >> 1;
+      v >>= 1;
+  }
+
+  return ((crc >> 8) ^ tcrc)&0xffff;
+}