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https://gitee.com/openharmony/third_party_littlefs
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27 lines
858 B
Python
27 lines
858 B
Python
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#!/usr/bin/env python3
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import subprocess as sp
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def main(args):
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with open(args.disk, 'rb') as f:
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f.seek(args.block * args.block_size)
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block = (f.read(args.block_size)
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.ljust(args.block_size, b'\xff'))
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# what did you expect?
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print("%-8s %-s" % ('off', 'data'))
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return sp.run(['xxd', '-g1', '-'], input=block).returncode
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if __name__ == "__main__":
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import argparse
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import sys
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parser = argparse.ArgumentParser(
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description="Hex dump a specific block in a disk.")
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parser.add_argument('disk',
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help="File representing the block device.")
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parser.add_argument('block_size', type=lambda x: int(x, 0),
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help="Size of a block in bytes.")
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parser.add_argument('block', type=lambda x: int(x, 0),
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help="Address of block to dump.")
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sys.exit(main(parser.parse_args()))
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