25static uint32_t reverse_32_bits(uint32_t value)
27 uint32_t reverse_val = 0;
29 for (uint8_t i = 0; i < 32; i++) {
30 if ((value & (1 << i))) {
31 reverse_val |= 1 << ((32 - 1) - i);
38uint32_t cx_crc32(
const void *buf,
size_t len)
40 return cx_crc_hw(CRC_TYPE_CRC32, CX_CRC32_INIT, buf, len);
43uint32_t cx_crc32_update(uint32_t crc_state,
const void *buf,
size_t len)
45 crc_state = reverse_32_bits(crc_state);
46 crc_state ^= 0xFFFFFFFF;
47 return cx_crc_hw(CRC_TYPE_CRC32, crc_state, buf, len);
CRC (Cyclic Redundancy Check).