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20 lines
581 B
Python
Executable File
20 lines
581 B
Python
Executable File
#!/usr/bin/env python
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from hashlib import sha256
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fn = '../bootloader/bootloader.bin'
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data = open(fn, 'rb').read()
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if len(data) > 32768:
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raise Exception('bootloader has to be smaller than 32768 bytes')
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data += b'\x00' * (32768 - len(data))
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h = sha256(sha256(data).digest()).digest()
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bl_hash = ', '.join('0x%02x' % x for x in bytearray(h))
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bl_data = ', '.join('0x%02x' % x for x in bytearray(data))
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with open('bl_data.h', 'wt') as f:
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f.write('static const uint8_t bl_hash[32] = {%s};\n' % bl_hash)
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f.write('static const uint8_t bl_data[32768] = {%s};\n' % bl_data)
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