Create crc.h

libraries/mbed/targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/TARGET_MCU_K64F/TARGET_FRDM/crc.h

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+/**********************************************************************
+ *
+ * Filename:    crc.h
+ * 
+ * Description: A header file describing the various CRC standards.
+ *
+ * Notes:       
+ *
+ * 
+ * Copyright (c) 2000 by Michael Barr.  This software is placed into
+ * the public domain and may be used for any purpose.  However, this
+ * notice must not be changed or removed and no warranty is either
+ * expressed or implied by its publication or distribution.
+ **********************************************************************/
+
+#ifndef _crc_h
+#define _crc_h
+
+
+#define FALSE	0
+#define TRUE	!FALSE
+
+/*
+ * Select the CRC standard from the list that follows.
+ */
+#define CRC16
+
+
+#if defined(CRC_CCITT)
+
+typedef unsigned short  crc;
+
+#define CRC_NAME			"CRC-CCITT"
+#define POLYNOMIAL			0x1021
+#define INITIAL_REMAINDER	0xFFFF
+#define FINAL_XOR_VALUE		0x0000
+#define REFLECT_DATA		FALSE
+#define REFLECT_REMAINDER	FALSE
+#define CHECK_VALUE			0x29B1
+
+#elif defined(CRC16)
+
+typedef unsigned short  crc;
+
+#define CRC_NAME			"CRC-16"
+#define POLYNOMIAL			0x8005
+#define INITIAL_REMAINDER	0x0000
+#define FINAL_XOR_VALUE		0x0000
+#define REFLECT_DATA		TRUE
+#define REFLECT_REMAINDER	TRUE
+#define CHECK_VALUE			0xBB3D
+
+#elif defined(CRC32)
+
+typedef unsigned long  crc;
+
+#define CRC_NAME			"CRC-32"
+#define POLYNOMIAL			0x04C11DB7
+#define INITIAL_REMAINDER	0xFFFFFFFF
+#define FINAL_XOR_VALUE		0xFFFFFFFF
+#define REFLECT_DATA		TRUE
+#define REFLECT_REMAINDER	TRUE
+#define CHECK_VALUE			0xCBF43926
+
+#else
+
+#error "One of CRC_CCITT, CRC16, or CRC32 must be #define'd."
+
+#endif
+
+
+void  crcInit(void);
+crc   crcSlow(unsigned char const message[], int nBytes);
+crc   crcFast(unsigned char const message[], int nBytes);
+
+
+#endif /* _crc_h */