215 lines
8.7 KiB
Python
215 lines
8.7 KiB
Python
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import struct
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import logging
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import binascii
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from datetime import datetime
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class Command25:
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def __init__(self):
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self.command = 0x25 # 充电信息命令
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def parse_25h_charging_info(self, data):
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"""
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解析25H充电信息命令
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:param data: 完整的25H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] != 0x25:
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logging.warning(f"25H命令帧格式不正确，原始报文: {binascii.hexlify(data)}")
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return None
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# 打印完整的原始报文以便调试
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print(f"完整原始报文: {binascii.hexlify(data)}")
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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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# 解析充电参数
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current_index = 20
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charging_voltage = struct.unpack("<H", data[current_index:current_index + 2])[0] / 10 # 0.1V
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current_index += 2
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charging_current = struct.unpack("<H", data[current_index:current_index + 2])[0] / 10 # 0.1A
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current_index += 2
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charging_power = struct.unpack("<I", data[current_index:current_index + 4])[0] / 100 # 0.01kW
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current_index += 4
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charging_duration = struct.unpack("<I", data[current_index:current_index + 4])[0] # 秒
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current_index += 4
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charging_amount = struct.unpack("<I", data[current_index:current_index + 4])[0] / 100 # 0.01kWh
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current_index += 4
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charging_fee = struct.unpack("<I", data[current_index:current_index + 4])[0] / 100 # 0.01元
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current_index += 4
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# 解析充电模块接入数量
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charging_module_count = data[current_index]
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current_index += 1
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# 解析充电电费
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charging_electricity_fee = struct.unpack("<I", data[current_index:current_index + 4])[0] / 100 # 0.01元
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current_index += 4
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# 解析服务费
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service_fee = struct.unpack("<I", data[current_index:current_index + 4])[0] / 100 # 0.01元
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current_index += 4
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# 解析充电订单号（17字节）
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charging_order_number = data[current_index:current_index + 17].decode('ascii').rstrip('\x00')
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current_index += 17
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# 解析时间段信息
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time_periods = []
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time_period_count = data[current_index]
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current_index += 1
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for _ in range(time_period_count):
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# 每个时间段的解析
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period_start_time = datetime(
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year, month, day,
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data[current_index],
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data[current_index + 1]
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)
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current_index += 2
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period_type = data[current_index] # 1-尖；2-峰；3-平；4-谷
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current_index += 1
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period_electricity_price = struct.unpack("<I", data[current_index:current_index + 4])[
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0] / 10000 # 0.0001元/kWh
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current_index += 4
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period_service_price = struct.unpack("<I", data[current_index:current_index + 4])[
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0] / 10000 # 0.0001元/kWh
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current_index += 4
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period_electricity_amount = struct.unpack("<H", data[current_index:current_index + 2])[
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0] / 100 # 0.01kWh
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current_index += 2
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period_electricity_fee = struct.unpack("<I", data[current_index:current_index + 4])[0] / 100 # 0.01元
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current_index += 4
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period_service_fee = struct.unpack("<I", data[current_index:current_index + 4])[0] / 100 # 0.01元
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current_index += 4
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time_periods.append({
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"start_time": period_start_time,
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"type": self.get_period_type_text(period_type),
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"electricity_price": period_electricity_price,
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"service_price": period_service_price,
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"electricity_amount": period_electricity_amount,
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"electricity_fee": period_electricity_fee,
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"service_fee": period_service_fee
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})
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# 打印解析结果
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print("\n25H充电信息命令解析结果:")
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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"充电电压: {charging_voltage}V")
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print(f"充电电流: {charging_current}A")
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print(f"充电功率: {charging_power}kW")
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print(f"充电时长: {charging_duration}秒")
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print(f"充电电量: {charging_amount}kWh")
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print(f"充电金额: {charging_fee}元")
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print(f"充电模块接入数量: {charging_module_count}")
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print(f"充电电费: {charging_electricity_fee}元")
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print(f"服务费: {service_fee}元")
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print(f"充电订单号: {charging_order_number}")
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print("时间段信息:")
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for period in time_periods:
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print(f" - 开始时间: {period['start_time']}")
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print(f" 类型: {period['type']}")
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print(f" 电价: {period['electricity_price']}元/kWh")
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print(f" 服务费率: {period['service_price']}元/kWh")
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print(f" 电量: {period['electricity_amount']}kWh")
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print(f" 电费: {period['electricity_fee']}元")
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print(f" 服务费: {period['service_fee']}元")
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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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"charging_voltage": charging_voltage,
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"charging_current": charging_current,
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"charging_power": charging_power,
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"charging_duration": charging_duration,
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"charging_amount": charging_amount,
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"charging_fee": charging_fee,
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"charging_module_count": charging_module_count,
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"charging_electricity_fee": charging_electricity_fee,
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"service_fee": service_fee,
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"charging_order_number": charging_order_number,
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"time_periods": time_periods
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}
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except Exception as e:
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logging.error(f"解析25H命令失败: {str(e)}")
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logging.error(f"原始报文: {binascii.hexlify(data)}")
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return None
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def get_period_type_text(self, period_type):
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"""
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解析时间段类型
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:param period_type: 时间段类型字节
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:return: 时间段类型文本描述
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"""
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type_map = {
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1: "尖",
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2: "峰",
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3: "平",
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4: "谷"
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}
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return type_map.get(period_type, f"未知类型 (0x{period_type:02X})")
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def process_25h_charging_info(self, data):
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"""
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处理25H充电信息命令
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:param data: 完整的25H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_25h_charging_info(data)
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if parsed_data is None:
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logging.warning("25H命令解析失败")
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return False
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# 记录充电信息日志
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logging.info(
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f"收到桩号 {parsed_data['pile_id']} 的充电信息: "
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f"充电电量 {parsed_data['charging_amount']}kWh, "
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f"充电时长 {parsed_data['charging_duration']}秒, "
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f"充电订单号 {parsed_data['charging_order_number']}"
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)
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return True
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except Exception as e:
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logging.error(f"处理25H命令出错: {str(e)}")
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return False
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# 测试用例
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if __name__ == "__main__":
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# 25H命令测试报文
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test_25_data = bytes.fromhex(
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"4A 58 25 03 17 66 56 11 36 06 37 01 61 00 19 01 09 0B 25 13 01 DA 07 00 00 00 00 00 00 22 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 31 38 37 37 31 39 37 38 30 31 36 31 35 35 35 36 36 31 30 00 00 00 00 00 00 00 00 00 00 00 00 00 01 19 01 09 0B 24 2D 19 01 09 0B 25 13 32 0F 00 00 AC 0D 00 00 00 00 00 00 00 00 00 00 00 00 00 00 3B 4A 58 30 03 17 66 56 11 36 06 37 01 1C 00 19 01 09 0B 25 13 01 00 00 A0 0F 02 DA 07 A0 0F 00 00 00 00 00 00 00 00 00 00 00 00 ED")
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parser = Command25()
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# 测试解析25H命令
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parser.process_25h_charging_info(test_25_data)
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