Update README.md

[proxmark3-svn] / common / crc16.h

diff --git a/common/crc16.h b/common/crc16.h
index b7e2824ce9847dd32e02416e0b559560040f675f..645a5acfc09c36cb33dbe308243df138099572a1 100644 (file)
--- a/common/crc16.h
+++ b/common/crc16.h
@@ -1,6 +1,18 @@
-#ifndef CRC16_H__
-#define CRC16_H__
+//-----------------------------------------------------------------------------
+// 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
+//-----------------------------------------------------------------------------
+#ifndef __CRC16_H
+#define __CRC16_H
 
-unsigned short update_crc16(unsigned short crc, unsigned char c);
+#include <stdint.h>
+#include "util.h"   // SwapBits
 
+unsigned short update_crc16(unsigned short crc, unsigned char c);
+uint16_t crc16(uint8_t const *message, int length, uint16_t remainder, uint16_t polynomial);
+uint16_t crc16_ccitt(uint8_t const *message, int length);
+uint16_t crc16_ccitt_kermit(uint8_t const *message, int length);
 #endif