9 lines
231 B
Python
9 lines
231 B
Python
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import os.path
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import struct
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import sys
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with open("_header.bin", "wb") as f:
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x = struct.pack('<H', os.path.getsize(sys.argv[1] + '_dfu.bin') // 512 + 1)
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y = [0xda, 0xff, x[0], x[1]] + [0xff] * 12
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f.write(bytearray(y))
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