那你能给我编一个吗
时间: 2024-02-13 11:05:06 浏览: 29
当然可以,下面是一个简单的风机柜通信协议的代码实现,供您参考:
```python
import struct
import socket
# 定义协议头部
class Header:
magic = 0xAABB # 魔数,用于帧同步
version = 1 # 协议版本号
msg_type = 0 # 消息类型
length = 0 # 数据长度
def pack(self):
return struct.pack('!HHHH', self.magic, self.version, self.msg_type, self.length)
def unpack(self, data):
self.magic, self.version, self.msg_type, self.length = struct.unpack('!HHHH', data)
# 定义风机状态数据结构
class FanStatus:
fan_id = 0 # 风机编号
status = 0 # 风机状态,0表示关闭,1表示开启
speed = 0 # 风机转速
temperature = 0 # 温度
humidity = 0 # 湿度
def pack(self):
return struct.pack('!BHHff', self.fan_id, self.status, self.speed, self.temperature, self.humidity)
def unpack(self, data):
self.fan_id, self.status, self.speed, self.temperature, self.humidity = struct.unpack('!BHHff', data)
# 定义风机柜通信协议
class FanProtocol:
MAGIC = 0xAABB # 魔数,用于帧同步
def __init__(self, sock):
self.sock = sock
def send_data(self, data):
header = Header()
header.length = len(data)
msg = header.pack() + data
self.sock.send(msg)
def recv_data(self):
header = Header()
while True:
data = self.sock.recv(8)
if not data:
return None
header.unpack(data)
if header.magic == self.MAGIC:
break
body = self.sock.recv(header.length)
return body
def send_fan_status(self, fan_status):
header = Header()
header.msg_type = 1
data = fan_status.pack()
header.length = len(data)
msg = header.pack() + data
self.sock.send(msg)
def recv_fan_status(self):
body = self.recv_data()
fan_status = FanStatus()
fan_status.unpack(body)
return fan_status
# 测试代码
if __name__ == '__main__':
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.connect(('127.0.0.1', 8888))
protocol = FanProtocol(sock)
# 发送风机状态数据
fan_status = FanStatus()
fan_status.fan_id = 1
fan_status.status = 1
fan_status.speed = 500
fan_status.temperature = 25.5
fan_status.humidity = 50.0
protocol.send_fan_status(fan_status)
# 接收风机状态数据
fan_status = protocol.recv_fan_status()
print(fan_status.fan_id, fan_status.status, fan_status.speed, fan_status.temperature, fan_status.humidity)
sock.close()
```
以上代码只是一个简单的示例,您可以根据实际需求进行修改和完善。
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