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Implementation of crc16 (CRC-16-CCITT) in Python with Modbus Protocol Error Detection
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| def crc16_generator(data): | |
| ''' | |
| CRC-16-CCITT Algorithm | |
| ''' | |
| data = bytearray(data) | |
| crc = 0xFFFF | |
| for b in data: | |
| crc ^= b | |
| for _ in range(0, 8): | |
| bcarry = crc & 0x0001 | |
| crc >>= 1 | |
| if bcarry: | |
| crc ^= 0xa001 | |
| return crc |
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For additional information see Repository:
Python-CRC16