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nv-h/calc_intel_hex_checksum.py

Created March 4, 2022 07:39
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calc_intel_hex_checksum.py
hex_str = '10010000214601360121470136007EFE09D21901'
sum = sum(int(b) for b in bytearray.fromhex(hex_str)) & 0xff
print(hex((0x100-(sum)) & 0xff))
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