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import sys
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sys.path.append('../../')
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import struct
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from enum import Enum
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from utils.DBModels.DeviceParModels import *
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from protocol.ModBus.DPV1Master import DPV1Master
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from model.ProjectModel.ParmManage import Parm
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import concurrent.futures
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import threading
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from PyQt5.QtCore import pyqtSignal, pyqtSlot, QThread
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class LoadDataThread(QThread):
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loadDataSignal = pyqtSignal(int, int)
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finished = pyqtSignal(list)
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def __init__(self, parent):
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super().__init__()
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self.parent = parent
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def run(self):
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valueList = []
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for index, parm in enumerate(self.parent.parms):
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self.loadDataSignal.emit(len(self.parent.parms), index + 1)
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valueList.append(parm.readValue())
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self.finished.emit(valueList)
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class BlockType(Enum):
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TB = 1
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PB = 0
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FB = 2
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class TBType(Enum):
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flowTB = -1
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tempTB = -2
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levelTB = -3 # 物位转换块
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pressureTB = -4
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class BlockManage():
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_instance = None
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_dpv1Master = None
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def __new__(cls, address):
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if not cls._instance:
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cls._instance = super().__new__(cls)
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return cls._instance
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def __init__(self, address = None):
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self.address = address
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if address:
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self.initBlocks()
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@property
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def DPV1Master(self):
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if not self._dpv1Master:
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self._dpv1Master = DPV1Master('192.168.3.10', 502)
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return self._dpv1Master
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def initBlocks(self):
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if not self.DPV1Master.judgeSlave(self.address):
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raise RuntimeError(f"连接从站{self.address}失败.")
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self.blockDict = {
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BlockType.PB : [],
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BlockType.TB : [],
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BlockType.FB : [],
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}
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dirHeadDatas = self.DPV1Master.readParm(address = self.address, slot = 1, index = 0, length = 12)
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dirHeadDatas = struct.unpack('>6h', dirHeadDatas)
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DirID = dirHeadDatas[0] # 目录id
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DirRevNum = dirHeadDatas[1] # 目录版本号
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NumDirObj = dirHeadDatas[2] # 目录对象的个数 (如果整个目录使用多于一个目录对象，
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# 则这此元素被连续定义，就如同使用一个较大的对象。
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# 多个目录对象都被连续地列在该目录中。该对象计数整个目录所需的对象。Header对象不计人其)
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NumDirEntry = dirHeadDatas[3] # 目录登录项的总数 (应计算复合列表目录登录项和复合目录登录项的总个数；实际块数量为NumDirEntry - 3)
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FirstCompListDirEntry = dirHeadDatas[4] # 第1个复合列表目录登录项的目录登录项个数 (该数用来计数目录内的登录项， 而不包含该登
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# 录项的参数地址。第1 个目录登录项是在复合列表目录登录项中的物理块引用。在计数登录
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# 项时，复合列表目录登录项与复合目录登录项之间无间隔)
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NumCompListDirEntry = dirHeadDatas[5] # 功能块类型数量 复合列表目录登录项的个数 计数设备内的不同块类型(物理块、转换块和功能块)和对象类型
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#（在本标准范围内仅针对链接对象）
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dirLength = 4 * NumDirEntry
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dirDatas = self.DPV1Master.readParm(address = self.address, slot = 1, index = 1, length = dirLength)
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dirDatas = struct.unpack('>{}h'.format(int(dirLength/2)), dirDatas)
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entryTuples = [(dirDatas[i], dirDatas[i+1]) for i in range(0, len(dirDatas), 2)]
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for typ in [BlockType.PB, BlockType.TB, BlockType.FB]:
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typeIndex = typ.value if type(typ.value) == int else 1
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blkDirMesByte = struct.pack('>h', entryTuples[typeIndex][0])
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blkIndex = int(blkDirMesByte[0]) # 目录对象编号
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blkoffect = int(blkDirMesByte[1]) # 块从第几个Dir_Entry开始
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numBlk = entryTuples[typeIndex][1] # 块数量
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# print(blkIndex, blkoffect, numBlk)
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for i in range(numBlk):
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blkEntryListIndex = blkoffect - 1 + i
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# print(blkEntryListIndex, entryTuples)
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blkPointerByte = struct.pack('>h', entryTuples[blkEntryListIndex][0])
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numBlkParms = entryTuples[blkEntryListIndex][1]
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blkSlot = int(blkPointerByte[0])
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blkStartIndex = int(blkPointerByte[1])
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# print(111, blkStartIndex, )
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block = Block(typ, self.DPV1Master)
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block.slot = blkSlot
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block.startIndex = blkStartIndex
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block.numParms = numBlkParms
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block.blockIndex = i
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block.address = self.address
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block.addParms()
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if not block.getTBType():
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self.blockDict[typ].append(block)
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# print(blkSlot, blkIndex)
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# print(self.blockDict)
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def getBlockValues(self, blockType, blockIndex, callback, callback2):
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if not isinstance(blockType, BlockType):
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typ = BlockType.TB
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block = self.blockDict[typ][blockIndex]
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block.blockType = blockType
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block.addParms()
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else:
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block = self.blockDict[blockType][blockIndex]
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return block.getParmsValue(callback, callback2)
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def getBlockNums(self):
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return [len(self.blockDict[BlockType.PB]), len(self.blockDict[BlockType.TB]), len(self.blockDict[BlockType.FB])]
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@classmethod
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def searchSlave(self, callback):
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self.DPV1Master.searchSlave(callback)
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class Block():
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slot = None
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startIndex = None
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numParms = None
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blockIndex = None
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address = None
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loadDataSignal = pyqtSignal(int, int)
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def __init__(self, blockType, DPV1Master):
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self.parms = []
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self.blockType = blockType
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self.DPV1Master = DPV1Master
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# self.addParms()
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def addParms(self):
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self.parms = []
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getParmsFunc = {
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BlockType.PB: PhysicalBlock.getallParame,
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BlockType.TB: PressureTranslationBlock.getallParame,
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BlockType.FB: AIFunctionBlock.getallParame,
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TBType.flowTB: FlowTranslationBlock.getallParame,
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TBType.pressureTB: PressureTranslationBlock.getallParame,
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TBType.tempTB: TemperatureTranslationBlock.getallParame,
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TBType.levelTB: LevelTranslationBlock.getallParame,
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}.get(self.blockType, lambda: [])
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parmsData = getParmsFunc()
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for parmData in parmsData:
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# print(parmData)
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# print(self.startIndex, 3214)
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parm = Parm(parmData, self.slot, self.startIndex, self)
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self.parms.append(parm)
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def getParmsValue(self, callback, callback2):
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valueList = []
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# self.loadDataSignal.connect(callback.loadData)
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self.thread = LoadDataThread(self)
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self.thread.loadDataSignal.connect(callback)
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self.thread.start()
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self.thread.finished.connect(callback2)
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# thread.join()
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# print(valueList)
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# return valueList
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def getTBType(self):
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return
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if __name__ == '__main__':
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b = BlockManage(address = 55)
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c = BlockManage(address = 77)
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# b.initBlock() |