38 lines
1.1 KiB
Python
38 lines
1.1 KiB
Python
import threading
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import datetime
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import RS485Ext
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import RegisterDatapoint
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from pymodbus.client.sync import ModbusSerialClient
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class CommunicationProcessor(threading.Thread):
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def __init__(self, config, queue):
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super().__init__()
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self.config = config
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self.queue = queue
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self.daemon = True
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def __getSerial(self):
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return RS485Ext.RS485Ext(port=self.config.serialPort, baudrate=self.config.serialBaudRate, stopbits=1,
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timeout=1)
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def run(self):
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client = ModbusSerialClient(method='rtu')
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client.socket = self.getSerial()
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client.connect()
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while True:
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r = self.queue.get()
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try:
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print("Dequeued: {0!s}".format(r))
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r.enqueued = False
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r.process(client)
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except RegisterDatapoint.DatapointException as e:
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print("ERROR when processing '{0}': {1!s}".format(r.label, e))
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if client.socket is None:
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print("renew socket")
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client.socket = self.getSerial()
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