"""
LIN interface package.

Exports:
- LinInterface, LinFrame: core abstraction and frame type
- MockBabyLinInterface: mock implementation for fast, hardware-free tests

Real hardware adapter (BabyLIN) is available in babylin.py.
"""
from .base import LinInterface, LinFrame
from .mock import MockBabyLinInterface

__all__ = [
    "LinInterface",
    "LinFrame",
    "MockBabyLinInterface",
]