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86 lines
2.3 KiB
Python
86 lines
2.3 KiB
Python
import struct
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import socket
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import time
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# commond
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# 1、Start
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# 2、Stop
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# 3、Quit
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# 4、Data
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class RTDTCdataPacket(object):
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def __init__(self, commond: int, PacketSerialNo: int, lis: list):
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self.PacketSerialNo = PacketSerialNo
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self.value = struct.pack('d' * len(lis), *lis)
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self.commond = commond
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# print(lis)
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self.buf = [
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0xF312, self.commond, self.PacketSerialNo, self.value, 0xF314
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]
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# print(self.buf)
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def packBytes(self):
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packstyle = '>HHL{}sH'.format(str(len(self.value)))
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# print(packstyle)
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req = struct.pack(packstyle, *self.buf)
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return req
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class RTDTCClient(object):
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def __init__(self, url):
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# print(url)
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host, port = url.split(':')
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self._host = host
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self._port = int(port)
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self.socket = socket.socket()
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self.packNo = 0X000001
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def connect(self):
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try:
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self.socket.connect((self._host, self._port))
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except:
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pass
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def start(self):
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self.connect()
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self.packNo = 0X000001
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pack = RTDTCdataPacket(1, self.packNo, [0] * 16)
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self.socket.send(pack.packBytes())
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self.packNo += 1
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res = self.socket.recv(8)
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data = struct.unpack('>HLH', res)
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return data
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def stop(self):
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pack = RTDTCdataPacket(2, self.packNo, [0] * 16)
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self.socket.send(pack.packBytes())
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self.packNo += 1
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res = self.socket.recv(8)
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data = struct.unpack('>HLH', res)
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return data
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def quit(self):
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pack = RTDTCdataPacket(3, self.packNo, [0] * 16)
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self.socket.send(pack.packBytes())
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self.packNo += 1
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res = self.socket.recv(8)
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data = struct.unpack('>HLH', res)
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self.socket.close()
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return data
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def writeData(self, lis: list):
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pack = RTDTCdataPacket(4, self.packNo, lis)
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self.socket.send(pack.packBytes())
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self.packNo += 1
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res = self.socket.recv(8)
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data = struct.unpack('>HLH', res)
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return data
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if __name__ == '__main__':
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a = RTDTCClient('127.0.0.1:6350')
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# a.connect()
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a.start()
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# print(1)
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for x in range(50):
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time.sleep(1)
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a.writeData([x + 0.001] * 16)
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# print(2)
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a.stop() |