config BR2_PACKAGE_PYTHON_CRC16 bool "python-crc16" depends on BR2_PACKAGE_PYTHON help This library calculates only CRC16 (16-bit codes) and the only supported variant at the moment is CRC-CCITT (XModem). CRC is a way of detecting accidental changes in data storage or transmission. There are many variants of CRC and CRC16, in particular. http://pycrc16.googlecode.com/