| 提交 | 用户 | age | ||
| 9aed5d | 1 | #ifndef _CRC_H_ |
| Q | 2 | #define _CRC_H_ |
| 3 | ||
| 4 | #include <stdint.h> | |
| 5 | ||
| 6 | // CRC types | |
| 7 | #define CRC_TYPE_CCITT 0 | |
| 8 | #define CRC_TYPE_IBM 1 | |
| 9 | // Polynomial = X^16 + X^12 + X^5 + 1 | |
| 10 | #define POLYNOMIAL_CCITT 0x1021 | |
| 11 | // Polynomial = X^16 + X^15 + X^2 + 1 | |
| 12 | #define POLYNOMIAL_IBM 0x8005 | |
| 13 | // Seeds | |
| 14 | #define CRC_IBM_SEED 0xFFFF | |
| 15 | #define CRC_CCITT_SEED 0x1D0F | |
| 16 | ||
| 17 | ||
| 18 | uint16_t RadioComputeCRC( uint8_t *buffer, uint8_t length, uint8_t crcType ); | |
| 19 | uint16_t ComputeCrc( uint16_t crc, uint8_t dataByte, uint16_t polynomial ); | |
| 20 | ||
| 21 | ||
| 22 | ||
| 23 | #endif | |
| 24 | ||
