123456789101112131415161718192021222324 |
- #ifndef _CRC_H_
- #define _CRC_H_
- #include <stdint.h>
- // CRC types
- #define CRC_TYPE_CCITT 0
- #define CRC_TYPE_IBM 1
- // Polynomial = X^16 + X^12 + X^5 + 1
- #define POLYNOMIAL_CCITT 0x1021
- // Polynomial = X^16 + X^15 + X^2 + 1
- #define POLYNOMIAL_IBM 0x8005
- // Seeds
- #define CRC_IBM_SEED 0xFFFF
- #define CRC_CCITT_SEED 0x1D0F
- uint16_t RadioComputeCRC( uint8_t *buffer, uint8_t length, uint8_t crcType );
- uint16_t ComputeCrc( uint16_t crc, uint8_t dataByte, uint16_t polynomial );
- #endif
|