import ctypes

class MsgB8Payload(ctypes.Structure):
    """Placeholder for Message B8: BIT Report Message - variable words (use 32 words by default)."""
    _pack_ = 1
    _fields_ = [
        (f"word_{i:02d}", ctypes.c_uint16) for i in range(1, 33)
    ]

    def __init__(self):
        super().__init__()