62 lines
1.9 KiB
Python
62 lines
1.9 KiB
Python
# command_heartbeat.py
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import struct
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import logging
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import time
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class CommandHeartbeat:
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def build_0b_heartbeat(self, pile_id):
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frame = bytearray([0x4A, 0x58, 0x0B]) # 帧头 + 命令
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frame.extend(pile_id) # 桩号
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frame.append(0x01) # 数据加密方式（不加密）
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# 数据域：时间标识
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data = bytearray()
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current_time = time.localtime()
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time_bytes = bytearray([
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current_time.tm_year - 2000,
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current_time.tm_mon,
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current_time.tm_mday,
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current_time.tm_hour,
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current_time.tm_min,
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current_time.tm_sec
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])
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data.extend(time_bytes)
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frame.extend(struct.pack('<H', len(data))) # 数据域长度
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frame.extend(data)
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# 计算校验码
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checksum = 0
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for b in frame[2:-1]:
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checksum ^= b
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frame.append(checksum)
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return frame
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def build_0c_heartbeat(self, pile_id):
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frame = bytearray([0x4A, 0x58, 0x0C]) # 帧头 + 命令
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frame.extend(pile_id) # 桩号
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frame.append(0x01) # 数据加密方式（不加密）
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# 数据域：时间标识
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data = bytearray()
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current_time = time.localtime()
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time_bytes = bytearray([
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current_time.tm_year - 2000,
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current_time.tm_mon,
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current_time.tm_mday,
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current_time.tm_hour,
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current_time.tm_min,
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current_time.tm_sec
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])
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data.extend(time_bytes)
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frame.extend(struct.pack('<H', len(data))) # 数据域长度
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frame.extend(data)
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# 计算校验码
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checksum = 0
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for b in frame[2:-1]:
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checksum ^= b
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frame.append(checksum)
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return frame
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def process_0c_heartbeat(self, data, conn):
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logging.info(f"收到0CH心跳响应: {data.hex().upper()}") |