PROFIBUS/model/ProjectModel/DeviceManage.py

import collections
import json
from utils.DBModels.DeviceModels import DeviceDB
from model.ProjectModel.AreaManage import Area
import numpy as np
from protocol.ModBus.ByteOrder import *
from protocol.ModBus.TCPMaster import *
import struct

#从站 "AI" "DI"可强制
#主站 "AO" "DO"可强制
class Device():
    inputStartAddress = None
    inputEndAddress = None
    outputStartAddress = None
    outputEndAddress = None
    protocolType = None
    masterOrSlave = None
    deviceName = None
    def __init__(self):
        self.inputAreas = []
        self.outputAreas = []

    def addArea(self, type, nums, bytes, order = 'ABCD'):
        area = Area()
        bytes = int(bytes)
        area.type = type
        area.order = order
        area.bytes = bytes
        area.length = self.getLength(nums, bytes)
        area.nums = nums
        if type in ["AI", "DI"]:
            area.startAddress = 0 if not self.inputEndAddress else self.inputEndAddress + 1
            area.endAddress = area.startAddress + area.length
            self.inputEndAddress = area.endAddress
            area.addressList = np.arange(area.startAddress, area.endAddress + 1, area.bytes).tolist()
            self.inputAreas.append(area)
        elif type in ["DO" , "AO"]:
            area.startAddress = 0 if not self.outputEndAddress else self.outputEndAddress + 1
            area.endAddress = area.startAddress + area.length
            self.outputEndAddress = area.endAddress
            area.addressList = np.arange(area.startAddress, area.endAddress + 1, area.bytes).tolist()
            self.outputAreas.append(area)
        # print(self.inputAreas)

        # print(area.addressList, area.startAddress, area.endAddress, self.outputAreas)

    def delArea(self, index, type):
        if type in ["DI", "AI"]:
            self.inputAreas.pop(index)
        elif type in ["AO", "DO"]:
            self.outputAreas.pop(index)
        # self.recalculateAddress()

    def recalculateAddress(self):
        endAddress = 0
        for inputOrOutput, areas in enumerate([self.inputAreas, self.outputAreas]):
            for index, area in enumerate(areas):
                if index == 0 and inputOrOutput == 0:
                    area.startAddress = self.inputStartAddress
                elif index == 0 and inputOrOutput == 1:
                    area.startAddress = self.outputStartAddress
                else:
                    area.startAddress = areas[index - 1].endAddress + 1
                area.endAddress = area.startAddress + area.length
                area.addressList = np.arange(area.startAddress, area.endAddress + 1, area.bytes).tolist()
                endAddress = area.endAddress
            else:
                if inputOrOutput == 0:
                    self.inputEndAddress = endAddress
                elif inputOrOutput == 1:
                    self.outputEndAddress = endAddress
                endAddress = 0


    def editArea(self, index, type, order, bytes):
        if type in ["DI", "AI"]:
            self.inputAreas[index].type = type
            self.inputAreas[index].order = order
            self.inputAreas[index].bytes = bytes
        elif type in ["AO", "DO"]:
            self.outputAreas[index].type = type
            self.outputAreas[index].order = order
            self.outputAreas[index].bytes = bytes
        # self.recalculateAddress()


    def getArea(self, index):
        return self.areas[index]

    def getLength(self, nums, bytes):
        length = int(nums) * int(bytes)
        # length = length / 2
        return length - 1



    
                

    @classmethod
    def delAreas(self, deviceName, id):
        jsonCon = json.loads(DeviceDB.getByName(deviceName=deviceName).areaJson)
        jsonCon.pop(id)

        if jsonCon == []:
            areaJson = None
            DeviceDB.update(areaJson=areaJson).where(DeviceDB.deviceName == deviceName).execute()
        else:
            for index, areajsonId in enumerate(jsonCon):
                areajsonId["id"] = index + 1
            areaJson = json.dumps(jsonCon)
         
            DeviceDB.update(areaJson=areaJson).where(DeviceDB.deviceName == deviceName).execute()


    @classmethod
    def getAreaJson(self, deviceNames):
        deviceName = deviceNames
        jsonConsStr = DeviceDB.getByName(deviceName=deviceName).areaJson
        if jsonConsStr is None:
            return
        else:
            jsonCons = json.loads(jsonConsStr)
            return jsonCons



class DevicesManange():
    def __init__(self):
        self.dpMasterDevices = collections.OrderedDict()
        self.dpSlaveDevices = collections.OrderedDict() # 有序字典 (OrderedDict)
        self.paMasterDevices = collections.OrderedDict()
        self.paSlaveDevices = collections.OrderedDict()
        self.dpSlaveModbus = TcpMaster(host = '192.168.2.10', port = 502)
        self.paSlaveModbus = TcpMaster(host = '192.168.4.10', port = 502)



    def addDevice(self, proType, masterSlaveModel, deviceName):
        device = Device()
        device.type = proType
        device.masterOrSlave = masterSlaveModel
        device.deviceName = deviceName

        if proType == "DP" and masterSlaveModel == "主站":
            curProDict = self.dpMasterDevices
        elif proType == "DP" and masterSlaveModel == "从站":
            curProDict = self.dpSlaveDevices
        elif proType == "PA" and masterSlaveModel == "主站":
            curProDict = self.paMasterDevices
        elif proType == "PA" and masterSlaveModel == "从站":
            curProDict = self.paSlaveDevices

        if len(curProDict) == 0:
            device.inputStartAddress = 0
            device.outputStartAddress = 0
        else:
            device.inputStartAddress = list(curProDict.values())[-1].inputEndAddress + 1
            device.outputStartAddress = list(curProDict.values())[-1].outputEndAddress + 1
        curProDict[deviceName] = device

    def initDevices(self):
        pass

    def delDevice(self, deviceName):
        for devicesDict in [self.paMasterDevices, self.paSlaveDevices, self.dpMasterDevices, self.dpSlaveDevices]:
            if deviceName in devicesDict:
                del devicesDict[deviceName]
                self.recalculateAddress()

    def recalculateAddress(self):
        for devicesDict in [self.paMasterDevices, self.paSlaveDevices, self.dpMasterDevices, self.dpSlaveDevices]:
            for index, (deviceName, device) in enumerate(devicesDict.items()):
                device.inputStartAddress = 0 if index == 0 else list(devicesDict.values())[index - 1].inputEndAddress + 1
                device.outputStartAddress = 0 if index == 0 else list(devicesDict.values())[index - 1].outputEndAddress + 1
                device.recalculateAddress()
                # previousDevice = device


    def getDevice(self, deviceName):
        for devicesDict in [self.paMasterDevices, self.paSlaveDevices, self.dpMasterDevices, self.dpSlaveDevices]:
            if deviceName in devicesDict:
                return devicesDict[deviceName]
    
    def writeAreas(self, deviceName, values):
        bytes = b""
        device = self.getDevice(deviceName)
        if device.type == "DP" and device.masterOrSlave == "主站":
            curProDict = self.dpMasterDevices
            areas = device.outputAreas
        elif device.type == "DP" and device.masterOrSlave == "从站":
            curProDict = self.dpSlaveDevices
            areas = device.inputAreas
            modbusM = self.dpSlaveModbus
        elif device.type == "PA" and device.masterOrSlave == "主站":
            areas = device.outputAreas
            curProDict = self.paMasterDevices
        elif device.type == "PA" and device.masterOrSlave == "从站":
            areas = device.inputAreas
            curProDict = self.paSlaveDevices
            modbusM = self.paSlaveModbus
        for area, value in zip(areas, values):
            area.forceValue = value
        for device in curProDict.values():
            forceAreas = device.outputAreas if device.masterOrSlave == "主站" else device.inputAreas
            for area in forceAreas:
                # print(area.type)
                if area.type in ["AI", "AO"]:
                    byte = floatToBytes(area.forceValue, area.bytes, order = area.order)
                elif area.type in ["DI", "DO"]:
                    if device.type == "PA" and device.masterOrSlave == "从站" and len(area.forceValue) == 16:
                        area.forceValue = area.forceValue[8:] + area.forceValue[:8]
                    byte = coilsToBytes([int(x) for x in area.forceValue], area.bytes)
                bytes += byte
        else:
            if len(bytes) % 2 != 0:
                bytes += struct.pack('B', 0)
        values = struct.unpack('!' + 'H' * int(len(bytes) / 2), bytes)
        modbusM.writeMultipleRegister(slaveId = 1, address = 0, outputValue = values)
            # print(struct.unpack('>f', struct.pack('!HH', *values[:2])))

    @classmethod
    def addAreas(self, type, order, bytes, deviceName):
        if DeviceDB.getByName(deviceName=deviceName).areaJson is None:
            jsonCon = ([{
                "id": 1,
                "type": type,
                "order": order,
                "bytes": bytes,

            }])
        else:
            jsonCon = json.loads(DeviceDB.getByName(deviceName=deviceName).areaJson)
            id = jsonCon[-1]["id"] + 1
            jsonCon.append({
                "id": id,
                "type": type,
                "order": order,
                "bytes": bytes,
            })
        areaJson = json.dumps(jsonCon)
        DeviceDB.update(areaJson=areaJson).where(DeviceDB.deviceName == deviceName).execute()

    @classmethod
    def updataAreas(self, type, order, bytes, deviceName, index):
        if DeviceDB.getByName(deviceName=deviceName) is None:
            return False
        else:
            jsonCon = json.loads(DeviceDB.getByName(deviceName=deviceName).areaJson)
            for area in jsonCon:
                if index == area["id"]:
                    area["type"] = type
                    area["order"] = order
                    area["bytes"] = bytes
            areaJson = json.dumps(jsonCon)
            DeviceDB.update(areaJson=areaJson).where(DeviceDB.deviceName == deviceName).execute()

    @classmethod
    def getAreaID(self, deviceNames):
        deviceName = deviceNames
        jsonConsStr = DeviceDB.getByName(deviceName=deviceName).areaJson
        if jsonConsStr is None:
            return
        else:
            jsonCons = json.loads(jsonConsStr)
            id = []
            for jsonCon in jsonCons:
                id.append(jsonCon["id"])
            return id


    @classmethod
    def getChannelLength(self, deviceName):
        number = 0
        if DeviceDB.getByName(deviceName=deviceName).areaJson is None:
            return number
        else:
            numbers = json.loads(DeviceDB.getByName(deviceName=deviceName).areaJson)
            for i in numbers:
                number += int(i['nums'])
            return number

    def editDevies(self):
        pass

    @classmethod
    def getAllDevice(self):
        # 查询所有设备
        devices = DeviceDB.get_all()
        if devices is 'error':
            return
        l = []
        for x in devices:
            l.append([x.deviceName, x.proType, x.masterSlaveModel, x.areaJson])
        return l