| 31,7 → 31,7 |
|---|
| */ |
| |
| /** @file |
| * General CRC computation. |
| * General CRC and checksum computation. |
| */ |
| |
| #ifndef __NET_CRC_H__ |
| 69,6 → 69,21 |
|---|
| */ |
| uint32_t compute_crc32_be( uint32_t seed, uint8_t * data, int length ); |
| |
| /** Computes sum of the 2 byte fields. |
| * Padds one zero (0) byte if odd. |
| * @param seed Initial value. Often used as 0 or ~0. Input parameter. |
| * @param data Pointer to the beginning of data to process. Input parameter. |
| * @param length Length of the data in bytes. Input parameter. |
| * @returns The computed checksum of the length bytes of the data. |
| */ |
| uint32_t compute_checksum( uint32_t seed, uint8_t * data, int length ); |
| |
| /** Compacts the computed checksum to the 16 bit number adding the carries. |
| * @param Computed checksum. Input parameter. |
| * @returns Compacted computed checksum to the 16 bits. |
| */ |
| uint16_t compact_checksum( uint32_t sum ); |
| |
| #endif |
| |
| /** @} |