20 lines
755 B
Python
20 lines
755 B
Python
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def parse_coil_status_response(response_hex):
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"""
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解析 Modbus 功能码 0x01 的响应（读线圈状态）
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:param response_hex: 十六进制字符串，如 '00000000000401010101'
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:return: dict，表示每个 bit 的状态（True/False）
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"""
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if len(response_hex) < 18:
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return {"error": "响应数据过短"}
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data_part = response_hex[14:18] # 提取 0101 部分
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status_byte = int(data_part[2:4], 16) # 取出 01 → 十进制 1
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# 每个 bit 对应一个设备，bit0 是最低位
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status = {f"device_{i}": (status_byte >> i) & 0x01 == 1 for i in range(8)}
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return status
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# 示例使用
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response = "00000000000401010103"
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status = parse_coil_status_response(response)
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print("设备状态：", status)
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