feeding
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@ -82,6 +82,8 @@ class TransmitterController:
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TIMEOUT = 2 # 超时时间为 2秒
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BUFFER_SIZE= 1024
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weight = None
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if self.relay_controller.settings.debug_feeding:
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return 0
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import socket
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with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
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@ -114,7 +116,48 @@ class TransmitterController:
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# 成功返回重量(int),失败返回None
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return weight
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elif transmitter_id == 2:
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# 上料斗变送器的信息:
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IP = "192.168.250.66"
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PORT = 8234
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TIMEOUT = 2 # 超时时间为 2秒
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BUFFER_SIZE= 1024
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weight = None
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if self.relay_controller.settings.debug_feeding:
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return 0
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import socket
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with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
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try:
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s.settimeout(TIMEOUT)
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s.connect((IP, PORT))
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# print(f"连接上料斗变送器 {IP}:{PORT} 成功")
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# 接收数据(变送器主动推送,recv即可获取数据)
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data = s.recv(BUFFER_SIZE)
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if data:
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# print(f"收到原始数据:{data}")
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# 提取出完整的一个数据包 (\r\n结尾)
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packet = self.get_latest_valid_packet(data)
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if not packet:
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print("未获取到有效数据包!!")
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return None
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# 解析重量
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weight = self.parse_weight(packet)
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else:
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print("未收到设备数据")
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except ConnectionRefusedError:
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print(f"变送器连接失败:{IP}:{PORT} 拒绝连接(设备离线/端口错误)")
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except socket.timeout:
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print(f"读取变送器数据超时:{TIMEOUT}秒内未收到数据")
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except Exception as e:
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print(f"读取异常:{e}")
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# 成功返回重量(int),失败返回None
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return weight
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def get_latest_valid_packet(self, raw_data):
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"""
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解决TCP粘包:
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