152 lines
4.6 KiB
Python
152 lines
4.6 KiB
Python
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import struct
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import logging
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class Command09:
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def __init__(self):
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self.command = 0x09 # 09H命令码
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def parse_09h(self, data):
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"""
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解析09H遥信命令
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:param data: 完整的09H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] != 0x09:
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logging.warning("09H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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# 提取充电枪数量
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gun_count = data[20]
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# 存储充电枪状态的列表
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gun_states = []
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# 从第21字节开始解析充电枪状态
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current_index = 21
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for i in range(gun_count):
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# 提取充电枪状态
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gun_state = data[current_index]
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gun_state_text = self.get_gun_state_text(gun_state)
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# 工作模式
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current_index += 1
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work_mode = data[current_index]
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work_mode_text = self.get_work_mode_text(work_mode)
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gun_states.append({
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"gun_index": i + 1,
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"state": gun_state,
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"state_text": gun_state_text,
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"work_mode": work_mode,
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"work_mode_text": work_mode_text
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})
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current_index += 1
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# 打印解析结果
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print("\n09H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"充电枪数量: {gun_count}")
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print("充电枪状态:")
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for gun in gun_states:
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print(f" 枪 {gun['gun_index']}:")
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print(f" 状态: {gun['state_text']} (0x{gun['state']:02X})")
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print(f" 工作模式: {gun['work_mode_text']} (0x{gun['work_mode']:02X})")
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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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"gun_count": gun_count,
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"gun_states": gun_states
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}
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except Exception as e:
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logging.error(f"解析09H命令失败: {str(e)}")
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return None
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def get_gun_state_text(self, state):
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"""
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解析充电枪状态
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:param state: 充电枪状态字节
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:return: 状态文本描述
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"""
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state_map = {
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0x01: "待机",
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0x02: "等待连接",
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0x03: "启动中",
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0x04: "充电中",
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0x05: "停止中",
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0x06: "预约中",
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0x07: "占用中",
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0x08: "测试中",
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0x09: "故障中",
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0x0A: "定时充电",
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0x0B: "充电完成",
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0x0C: "升级中"
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}
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return state_map.get(state, f"未知状态 (0x{state:02X})")
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def get_work_mode_text(self, mode):
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"""
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解析工作模式
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:param mode: 工作模式字节
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:return: 工作模式文本描述
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"""
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mode_map = {
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0x01: "普通充电",
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0x02: "轮充",
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0x03: "大功率",
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0x04: "超级充",
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0x05: "电池维护",
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0x06: "柔性充"
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}
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return mode_map.get(mode, f"未知模式 (0x{mode:02X})")
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def process_09h(self, data):
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"""
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处理09H遥信命令
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:param data: 完整的09H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_09h(data)
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if parsed_data is None:
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logging.warning("09H命令解析失败")
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return False
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# 记录遥信信息日志
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logging.info(f"成功处理09H遥信命令: 桩号 {parsed_data['pile_id']}, 充电枪数量 {parsed_data['gun_count']}")
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return True
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except Exception as e:
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logging.error(f"处理09H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(
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"4A 58 09 03 17 67 63 11 36 06 57 01 13 00 19 01 09 09 37 1F 00 00 02 01 01 0A 00 00 01 01 0A 00 00 4F")
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parser = Command09()
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parser.process_09h(test_data)
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