139 lines
4.7 KiB
C#
139 lines
4.7 KiB
C#
///
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/// Copyright (c) 2016-2020 Sensus Slovensko a.s.
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///
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using System;
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using System.Collections.Generic;
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using log4net;
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using SchematicDrawing;
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using TBF.Rig.Generic;
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using TBF.Boxes;
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namespace TBF.Rig.Modbus.PressureMeter.Meret
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{
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public class PressureMeter : ComponentBase, GenericDevices.IPressureMeter, IDevice, IDrawingItCmpntWithMeasuredVal
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{
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private static readonly ILog log = LogManager.GetLogger(typeof(PressureMeter));
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public override string ToString() { return string.Format("{0}({1})", ClassName, Cfg.ToString(-1)); }
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readonly PressureMeterCfg pressureMtrCfg;
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public IDrawingItem DrawingItem { get { return pressureMtrCfg as IDrawingItem; } }
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readonly GenericDevices.IModbus modbus;
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double receivedPressure;
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public bool MsrmntAvailable { get { return true; } }
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public double MeasuredVal { get { return receivedPressure; } }
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public string AltString { get { return string.Empty; } }
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int ticketNumber; /// 0 .. number of devices registered for regular polling - 1
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public PressureMeter() { }
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public PressureMeter(Generic.IComponentCfg cfg, IList<Generic.IComponent> components)
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: base(cfg)
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{
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pressureMtrCfg = cfg as PressureMeterCfg;
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modbus = (GenericDevices.IModbus)TbfComponents.FindComponent(cfg.ParentName, components);
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if (modbus == null) throw new Exception("Cannot find " + Name + " parent");
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log.Warn(this.ToString());
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}
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///
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/// IDevice interface
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///
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public override void Initialize()
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{
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ticketNumber = modbus.RegisterForPolling();
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}
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public void RunDeviceBefore()
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{
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if (pressureMtrCfg.DebugLevel == Config.Entities.DebugMode.Simulate ||
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pressureMtrCfg.DebugLevel == Config.Entities.DebugMode.FailureDuringOperation)
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{
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return;
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}
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if (modbus.ReceivedTelegrams[pressureMtrCfg.ModbusAddress].Count > 0)
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{
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byte[] telegram = modbus.ReceivedTelegrams[pressureMtrCfg.ModbusAddress].Dequeue();
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if (telegram.Length == 9 && telegram[1] == 4 && telegram[2] == 4)
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{
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/// Swap byte order
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byte t1 = telegram[3];
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byte t2 = telegram[4];
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byte t3 = telegram[5];
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byte t4 = telegram[6];
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telegram[3] = t4;
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telegram[4] = t3;
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telegram[5] = t2;
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telegram[6] = t1;
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receivedPressure = Config.Units.ConvertFrom(Config.Unit.kPa, System.BitConverter.ToSingle(telegram, 3));
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log.WarnFormat("Pressure: {0}={1}bar", Name, receivedPressure.ToString("F3"));
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}
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}
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}
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public void RunDeviceAfter()
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{
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if (pressureMtrCfg.DebugLevel != Config.Entities.DebugMode.Simulate &&
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pressureMtrCfg.DebugLevel != Config.Entities.DebugMode.FailureDuringOperation &&
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modbus.IsMyTurn(ticketNumber))
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{
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const byte Function = 4; /// Read input registers
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const ushort Address = 0; /// Pressure
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modbus.SendMessage((byte)pressureMtrCfg.ModbusAddress, Function, Address, 2);
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}
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}
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public void StopDevice() { }
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public void StopDevice2() { }
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/// <summary>
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/// Returns the water pressure
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/// </summary>
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/// <returns>Pressure in mBar</returns>
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public double ReadPressure()
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{
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if (Cfg.DebugLevel == Config.Entities.DebugMode.Normal)
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{
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return Config.Formulas.CorrectedValue(receivedPressure, Corrections);
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}
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else if (Cfg.DebugLevel == Config.Entities.DebugMode.Simulate)
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{
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return 1.0;
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}
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else
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{
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return 0;
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}
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}
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/// <summary>
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/// Events: PressureDone, Error
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/// </summary>
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/// <param name="pressureBox">Reference to a variable for the pressure in Bar</param>
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/// <returns>ReadPressureOp instance reference casted to IOperaton</returns>
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public IOperation ReadPressureOp(ref DoubleBox pressureBox)
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{
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return new ReadPressureOp(this, ref pressureBox);
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}
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/// <summary>
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/// Events: pressureDone, Error
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/// </summary>
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/// <param name="pressureBox">Reference to a variable for the pressure in Bar</param>
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/// <param name="pressureDone">Event returned when measurement done</param>
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/// <returns>ReadPressureOp instance reference casted to IOperaton</returns>
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public IOperation ReadPressureOp(ref DoubleBox pressureBox, Event pressureDone)
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{
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return new ReadPressureOp(this, ref pressureBox, pressureDone);
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}
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}
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}
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