96 lines
3.1 KiB
Python
96 lines
3.1 KiB
Python
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import struct
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import logging
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class Command07:
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def __init__(self):
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self.command = 0x07 # 07H命令码
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def parse_07h(self, data):
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"""
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解析07H回复对时命令
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:param data: 完整的07H命令报文
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:return: 解析后的字典或None
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"""
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try:
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# 验证基本帧格式
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if len(data) < 14 or data[0:2] != b'JX' or data[2] != 0x07:
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logging.warning("07H命令帧格式不正确")
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return None
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# 提取桩号
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pile_id_bytes = data[3:11]
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# 提取时间标识
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time_bytes = data[14:20]
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year = time_bytes[0] + 2000
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month, day, hour, minute, second = time_bytes[1:6]
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timestamp = f"{year:04d}-{month:02d}-{day:02d} {hour:02d}:{minute:02d}:{second:02d}"
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# 解析对时结果
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time_sync_result = data[20]
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time_sync_result_text = "成功" if time_sync_result == 0x01 else "失败"
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# 解析失败原因（如果有）
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failure_reason = data[21] if len(data) > 21 else 0x00
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failure_reason_text = {
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0x00: "无",
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0x01: "数据格式异常"
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}.get(failure_reason, "未知原因")
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# 打印解析结果
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print("\n07H命令解析结果:")
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print(f"桩号: {pile_id_bytes.hex()}")
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print(f"时间标识: {timestamp}")
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print(f"对时结果: {time_sync_result_text}")
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print(f"失败原因: {failure_reason_text}")
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return {
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"pile_id": pile_id_bytes.hex(),
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"timestamp": timestamp,
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"time_sync_result": time_sync_result,
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"time_sync_result_text": time_sync_result_text,
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"failure_reason": failure_reason,
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"failure_reason_text": failure_reason_text
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}
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except Exception as e:
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logging.error(f"解析07H命令失败: {str(e)}")
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return None
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def process_07h(self, data):
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"""
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处理07H回复对时命令
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:param data: 完整的07H命令报文
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:return: 是否成功处理
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"""
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try:
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parsed_data = self.parse_07h(data)
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if parsed_data is None:
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logging.warning("07H命令解析失败")
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return False
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# 记录对时结果日志
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if parsed_data['time_sync_result'] == 0x01:
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logging.info(f"成功处理07H对时命令: 桩号 {parsed_data['pile_id']} 对时成功")
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else:
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logging.warning(
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f"处理07H对时命令: 桩号 {parsed_data['pile_id']} 对时失败, 原因: {parsed_data['failure_reason_text']}")
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return True
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except Exception as e:
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logging.error(f"处理07H命令出错: {str(e)}")
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return False
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# 测试用示例
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if __name__ == "__main__":
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# 示例报文
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test_data = bytes.fromhex("4A 58 07 03 17 67 63 11 36 06 57 01 08 00 19 01 09 09 37 1F 01 00 59")
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parser = Command07()
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parser.process_07h(test_data)
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