26 lines
910 B
Python
26 lines
910 B
Python
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import argparse
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def main():
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p = argparse.ArgumentParser()
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p.add_argument('--file', required=True)
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p.add_argument('--addr', required=True)
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p.add_argument('--base', type=lambda x: int(x,0), default=0x80000000)
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p.add_argument('--stride', type=int, default=10)
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p.add_argument('--field_idx', type=int, default=9)
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p.add_argument('--count', type=int, default=20)
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args = p.parse_args()
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addr = int(args.addr, 0)
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offset = addr - args.base
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with open(args.file, 'rb') as f:
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for ch in range(args.count):
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idx = offset + ch*args.stride + args.field_idx
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f.seek(idx)
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b = f.read(1)
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if not b:
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print(f"ch {ch:02d}: EOF")
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break
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print(f"ch {ch:02d}: addr {hex(addr + ch*args.stride + args.field_idx)} offset {hex(idx)} value {b[0]:02x} ({b[0]})")
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if __name__ == '__main__':
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main()
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