Format: ‘qCRC:addr,length’

Meaning: Compute the CRC checksum of a block of memory using CRC-32 defined in IEEE 802.3. The CRC is computed one byte at a time, taking the most significant bit of each byte first. The initial pattern code 0xffffffff is used to ensure leading zeros affect the CRC.

Reply:

C crc32

The specified memory region’s checksum is crc32.