#ifndef __CRC32_H
#define __CRC32_H

#include <stdint.h>

/* CRC-32/IEEE 802.3: poly 0x04C11DB7, init 0xFFFFFFFF, final XOR 0xFFFFFFFF
 * APP 与 Bootloader 共用同一实现，保证固件校验一致 */

uint32_t crc32_init(void);
uint32_t crc32_update(uint32_t crc, const uint8_t *data, uint32_t len);
uint32_t crc32_final(uint32_t crc);
uint32_t crc32_compute(const uint8_t *data, uint32_t len);

#endif /* __CRC32_H */