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crc_8(input, seed \\ 255)

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crc_8(binary(), number()) :: number()

Calculates a 8-bit CRC with polynomial x^8+x^6+x^3+x^2+1, 0x14D. Chosen based on Koopman, et al. (0xA6 in his notation = 0x14D >> 1):

seed defaults to 0xFF if one is not given