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crc16.h@1:9ba4618df7b5, 2017-03-06 (annotated)
- Committer:
- libv2001
- Date:
- Mon Mar 06 21:35:31 2017 +0000
- Revision:
- 1:9ba4618df7b5
- Parent:
- 0:fc7bc75ace9b
Final Version
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
libv2001 | 0:fc7bc75ace9b | 1 | #ifndef CRC_16_H |
libv2001 | 0:fc7bc75ace9b | 2 | #define CRC_16_H |
libv2001 | 0:fc7bc75ace9b | 3 | |
libv2001 | 0:fc7bc75ace9b | 4 | #include <stdint.h> |
libv2001 | 0:fc7bc75ace9b | 5 | |
libv2001 | 0:fc7bc75ace9b | 6 | #define DEFAULT_POLYNOME 0x8005 |
libv2001 | 0:fc7bc75ace9b | 7 | #define DEFAULT_INITIAL_VALUE 0x0000 |
libv2001 | 0:fc7bc75ace9b | 8 | #define DEFAULT_XOR_OUT_VALUE 0x0000 |
libv2001 | 0:fc7bc75ace9b | 9 | #define DEFAULT_REVERSE_INPUT true |
libv2001 | 0:fc7bc75ace9b | 10 | #define DEFUALT_REVERSE_OUTPUT true |
libv2001 | 0:fc7bc75ace9b | 11 | |
libv2001 | 0:fc7bc75ace9b | 12 | struct crc_t{ |
libv2001 | 0:fc7bc75ace9b | 13 | uint16_t polynome; |
libv2001 | 0:fc7bc75ace9b | 14 | uint16_t registre; |
libv2001 | 0:fc7bc75ace9b | 15 | uint16_t initialValue; |
libv2001 | 0:fc7bc75ace9b | 16 | uint16_t xorOut; |
libv2001 | 0:fc7bc75ace9b | 17 | bool reverseIn; |
libv2001 | 0:fc7bc75ace9b | 18 | bool reverseOut; |
libv2001 | 0:fc7bc75ace9b | 19 | }; |
libv2001 | 0:fc7bc75ace9b | 20 | |
libv2001 | 0:fc7bc75ace9b | 21 | void initLookup(uint16_t polynome = DEFAULT_POLYNOME); |
libv2001 | 0:fc7bc75ace9b | 22 | |
libv2001 | 0:fc7bc75ace9b | 23 | crc_t initCrc(uint16_t polynome = DEFAULT_POLYNOME, |
libv2001 | 0:fc7bc75ace9b | 24 | uint16_t initialValue = DEFAULT_INITIAL_VALUE, |
libv2001 | 0:fc7bc75ace9b | 25 | uint16_t xorOut = DEFAULT_XOR_OUT_VALUE, |
libv2001 | 0:fc7bc75ace9b | 26 | bool reverseIn = DEFAULT_REVERSE_INPUT, |
libv2001 | 0:fc7bc75ace9b | 27 | bool reverseOut = DEFUALT_REVERSE_OUTPUT); |
libv2001 | 0:fc7bc75ace9b | 28 | |
libv2001 | 0:fc7bc75ace9b | 29 | void resetCrc(crc_t & crc); |
libv2001 | 0:fc7bc75ace9b | 30 | |
libv2001 | 0:fc7bc75ace9b | 31 | void addByteToCrc(crc_t & crc, uint8_t byte); |
libv2001 | 0:fc7bc75ace9b | 32 | |
libv2001 | 0:fc7bc75ace9b | 33 | uint16_t getCrc(crc_t & crc); |
libv2001 | 0:fc7bc75ace9b | 34 | |
libv2001 | 0:fc7bc75ace9b | 35 | #endif |