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57 lines
1.4 KiB
Python
57 lines
1.4 KiB
Python
2 years ago
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import sys
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sys.path.append('../')
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sys.path.append('../../')
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sys.path.append('../../../')
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from protocol.ModBus.rtuslave_example import RTUSlave
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import modbus_tk.defines as cst
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class HartSimulate(object):
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def __init__(self):
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self.rtuSlave = RTUSlave(port = 'COM7', baudrate = 9600, bytesize = 8, parity = 'E', stopbits = 1, xonxoff = 0)
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self.varAddrList = [x for x in range(4100, 4107) if x % 2 == 0]
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self.spanAddrList = [4200, 4202]
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self.writeList = self.varAddrList + self.spanAddrList
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def start(self):
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self.rtuSlave.start()
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try:
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self.addSlave()
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except:
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pass
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def stop(self):
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self.rtuSlave.server.stop()
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def addSlave(self):
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self.rtuSlave.server.add_slave(1)
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slave = self.rtuSlave.server.get_slave(1)
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slave.add_block('4', cst.HOLDING_REGISTERS, 4000, 5000)
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def readValue(self):
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valueList = []
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for index, address in enumerate(self.writeList):
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order = 'ABCD'
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value = self.rtuSlave.readValue(1, '4', address, order = order)
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valueList.append(value)
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return valueList
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def writeValue(self, index, value):
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index = int(index)
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# if index < 4:
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value = float(value)
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order = 'ABCD'
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# else:
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# value = int(value)
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# order = 'int'
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self.rtuSlave.setValue(1, '4', self.writeList[index], value, order = order)
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if __name__ == '__main__':
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a = HartSimulate()
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a.start()
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# a.addSlave()
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a.writeValue(1, 16.5)
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a.writeValue(3, 1)
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# print(a.readValue())
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# print(a.writeList)
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