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| version 1.1, 2008/11/05 17:02:55 | version 1.1.1.1.2.1, 2008/11/05 17:29:19 |
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| Line 10 | Line 10 |
| #define __AITCRC_H | #define __AITCRC_H |
| #include <sys/types.h> | |
| #define REVOPTS_REVERTBYTE 1 | #define REVOPTS_REVERTBYTE 1 |
| #define REVOPTS_REVERTCRC 2 | #define REVOPTS_REVERTCRC 2 |
| Line 22 struct tagCRCPoly { | Line 25 struct tagCRCPoly { |
| typedef struct tagCRCPoly crcPoly_t; | typedef struct tagCRCPoly crcPoly_t; |
| // ------------------------------------------------------- | |
| // crc_GetErrno() Get error code of last operation | |
| inline int crc_GetErrno(); | inline int crc_GetErrno(); |
| // crc_GetError() Get error text of last operation | |
| inline const char *crc_GetError(); | inline const char *crc_GetError(); |
| // ------------------------------------------------------- | |
| /* | |
| * crcReflect() Reflect all bits of number | |
| * @crcNum = Number for reflection | |
| * @crcBits = Number width bits | |
| * return: -1 error, !=-1 reflecting number | |
| */ | |
| inline u_long crcReflect(u_long crcNum, u_char crcBits); | inline u_long crcReflect(u_long crcNum, u_char crcBits); |
| /* | |
| * crcCalc() Generic CRC calculation function for many sub variants of CRC algorithms | |
| * @psBuf = Data for calculation | |
| * @bufLen = Length of data | |
| * @crcBits = CRC algorithm bits (1, 4, 5, 6, 7, 8, 10, 11, 12, 15, 16, 24, 30, 32) | |
| * @RevOpts = Options for computation (REVOPTS_REVERTBYTE, REVOPTS_REVERTCRC) | |
| * @initCRC = Initial CRC value | |
| * @xorCRC = Last xor CRC value | |
| * return: -1 error, !=-1 CRC checksum | |
| */ | |
| inline u_long crcCalc(u_char * __restrict psBuf, u_int bufLen, u_char crcBits, u_char RevOpts, u_long initCRC, u_long xorCRC); | inline u_long crcCalc(u_char * __restrict psBuf, u_int bufLen, u_char crcBits, u_char RevOpts, u_long initCRC, u_long xorCRC); |
| /* | |
| * crcIP() Checksum in IP communication | |
| * @nBuf = Data for calculation | |
| * @bufLen = Length of data | |
| * return: -1 error, !=-1 Checksum | |
| */ | |
| inline u_short crcIP(u_short * __restrict nBuf, int bufLen); | inline u_short crcIP(u_short * __restrict nBuf, int bufLen); |
| /* | |
| * crcFletcher() Fletcher-16 Checksum computing | |
| * @nBuf = Data for calculation | |
| * @bufLen = Length of data | |
| * return: -1 error, !=-1 Checksum | |
| */ | |
| inline u_long crcFletcher(u_short * __restrict nBuf, int bufLen); | inline u_long crcFletcher(u_short * __restrict nBuf, int bufLen); |
| /* | |
| * crcAdler() crcAdler-32 Checksum computing | |
| * @psBuf = Data for calculation | |
| * @bufLen = Length of data | |
| * return: -1 error, !=-1 Checksum | |
| */ | |
| inline u_long crcAdler(u_char * __restrict psBuf, int bufLen); | inline u_long crcAdler(u_char * __restrict psBuf, int bufLen); |
| /* | |
| * crcEther() Checksum in Ethernet communication | |
| * @psBuf = Data for calculation | |
| * @bufLen = Length of data | |
| * return: -1 error, !=-1 Checksum | |
| */ | |
| #define crcEther(psBuf, bufLen) crcCalc((psBuf), (bufLen), 32, 3, 0xFFFFFFFF, 0xFFFFFFFF) | #define crcEther(psBuf, bufLen) crcCalc((psBuf), (bufLen), 32, 3, 0xFFFFFFFF, 0xFFFFFFFF) |