Kepler-Release/Venus/Venus_Simulator/Devices/PendulumValveMockPMD.cs

using System;
using MECF.Framework.Simulator.Core.Driver;

namespace Venus_Simulator.Devices
{
    class PendulumValveMockPMD : SerialPortDeviceSimulator
    {
        public enum PendulumValveStatus
        {
            Unknown,
            OFF,
            ON,
            ERROR
        }

        private const string EOF = "\r";
        private const char MSG_DELIMITER = '_';
        private const string MOCKUP_PORT = "COM79";
        private int _pressure = 120;
        private int _position = 500;
        private bool _bHold = false;
        private Random _rd = new Random();

        PendulumValveStatus _simPendulumValveStatus;
        public PendulumValveMockPMD() : base(MOCKUP_PORT, -1, EOF, MSG_DELIMITER)
        {
            _simPendulumValveStatus = PendulumValveStatus.Unknown;
        }

        protected override void ProcessUnsplitMessage(string message)
        {
            if (string.IsNullOrEmpty(message))
                throw new ArgumentException("Hardware command message is invalid");

            if(_bHold == false)
            {
                _pressure += _rd.Next(-10, 10);
                _position += _rd.Next(-50, 50);
            }

            if(_simPendulumValveStatus == PendulumValveStatus.OFF)
            {
                _position = 0;
            }
            
            string sRes = string.Empty;
            string str = message.Trim();
            switch(str)
            {
                case "P:":
                    sRes = string.Format("P:{0:D8}\r\n", _pressure);
                    break;
                case "A:":
                    sRes = string.Format("A:{0:D6}\r\n", _position);
                    break;
                case "C:":
                    _bHold = false;
                    _simPendulumValveStatus = PendulumValveStatus.OFF;
                    sRes = "C:\r\n";
                    break;
                case "O":
                    _bHold = false;
                    _simPendulumValveStatus = PendulumValveStatus.ON;
                    sRes = "O:\r\n";
                    break;
                case "H:":
                    _bHold = true;
                    sRes = "H:\r\n";
                    break;
                case "i:30":
                    sRes = "i:3012100000\r\n";
                    break;
                default:
                    {
                        if (str.Contains("S:"))
                        {
                            int pressure;
                            if (int.TryParse(str.Substring(2, 8), out pressure))
                            {
                                _pressure = pressure;
                            }

                            _bHold = false;
                            sRes = "S:\r\n";
                        }
                        else if (str.StartsWith("R:"))
                        {
                            int position;
                            if (int.TryParse(str.Substring(2, 6), out position))
                            {
                                _position = position;
                            }

                            _bHold = false;
                            sRes = "R:\r\n";
                        }
                        else
                            return;
                    }
                    break;
            }
                OnWriteMessage(sRes);
        }
    }
}