Big changes
This commit is contained in:
Duc
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// UNCLASSIFIED
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/*-------------------------------------------------------------------------
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RAYTHEON PROPRIETARY: THIS DOCUMENT CONTAINS DATA OR INFORMATION
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PROPRIETARY TO RAYTHEON COMPANY AND IS RESTRICTED TO USE ONLY BY PERSONS
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AUTHORIZED BY RAYTHEON COMPANY IN WRITING TO USE IT. DISCLOSURE TO
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UNAUTHORIZED PERSONS WOULD LIKELY CAUSE SUBSTANTIAL COMPETITIVE HARM TO
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RAYTHEON COMPANY'S BUSINESS POSITION. NEITHER SAID DOCUMENT NOR ITS
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CONTENTS SHALL BE FURNISHED OR DISCLOSED TO OR COPIED OR USED BY PERSONS
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OUTSIDE RAYTHEON COMPANY WITHOUT THE EXPRESS WRITTEN APPROVAL OF RAYTHEON
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COMPANY.
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THIS PROPRIETARY NOTICE IS NOT APPLICABLE IF DELIVERED TO THE U.S.
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GOVERNMENT.
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UNPUBLISHED WORK - COPYRIGHT RAYTHEON COMPANY.
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-------------------------------------------------------------------------*/
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using System;
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using Raytheon.Instruments.Dmm;
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using Raytheon.Units;
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using System.IO.Ports;
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using NLog;
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using Raytheon.Common;
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namespace Raytheon.Instruments
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{
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/// <summary>
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/// A Space Electronics (Squib meter) of the DMM interface
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/// </summary>
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public class DMMSquibMeter101SQBRAK : IDmm, IDisposable
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{
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#region PrivateMemberVariables
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private string _name;
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private readonly string _address;
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private readonly SerialPort _serialPort;
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private MeasurementFunction _lastType;
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private double _lastRange;
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private double _lastResolution;
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private State _state;
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private SelfTestResult _selfTestResult;
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private byte[] _readBuffer;
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private string versionInfo;
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/// <summary>
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/// NLog logger
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/// </summary>
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private readonly ILogger _logger;
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/// <summary>
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/// Raytheon configuration
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/// </summary>
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private readonly IConfigurationManager _configurationManager;
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private readonly IConfiguration _configuration;
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#endregion
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#region PrivateFunctions
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/// <summary>
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/// Dispose of this objects resources
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/// </summary>
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/// <param name="disposing"></param>
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[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Usage", "CA2213:DisposableFieldsShouldBeDisposed", MessageId = "_34461A")]
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protected virtual void Dispose(bool disposing)
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{
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try
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{
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if (disposing)
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{
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if (_state == State.Ready)
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{
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IOWrite("RST"); // send reset command
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IOWrite("LM"); // sets squib meter to local mode (it is set to remote in initilize)
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_serialPort.Close();
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_state = State.Uninitialized;
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}
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}
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}
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catch (Exception)
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{
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try
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{
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//ErrorLogger.Instance().Write(err.Message + "\r\n" + err.StackTrace);
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}
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catch (Exception)
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{
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//Do not rethrow. Exception from error logger that has already been garbage collected
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}
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}
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="data"></param>
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/// <returns></returns>
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private string ConvertToString(ref byte[] data)
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{
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string rsp = System.Text.Encoding.ASCII.GetString(data);
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return rsp;
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}
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/// <summary>
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/// Send a command to the squib meter and get the response.
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/// </summary>
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/// <param name="commandString">The command to send.</param>
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/// <returns>The squib meter response as string.</returns>
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private string IOQuery(string commandString)
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{
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// Flush squib meter buffer
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_serialPort.Write("FS");
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// clear our buffer
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Array.Clear(_readBuffer, 0, _readBuffer.Length);
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// send the data out
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_serialPort.Write(commandString);
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// read from the response
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int numBytesRead = _serialPort.Read(_readBuffer, 0, _readBuffer.Length);
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// convert response to a string
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string rspStr = ConvertToString(ref _readBuffer);
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// split out the command responce from the return data (divided by carriage return)
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string[] result = rspStr.Split(new string[] { "\n", "\r\n", "<CR>" }, StringSplitOptions.None);
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// Check command responce (0 = OK)
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if (result[0] == "1")
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{
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throw new Exception("Unknown Command");
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}
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if (result[0] == "2")
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{
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throw new Exception("Command now allowed in present mode");
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}
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return result[1];
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}
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/// <summary>
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/// Sends a serial Command to the instrument.
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/// </summary>
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/// <param name="commandString">The serial Command to be sent to the instrument.</param>
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private void IOWrite(string commandString)
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{
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// note each command sent has different return data/status/error formatting, IOWrite is just a direct write
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// IOQuery will do a read, and return all the data
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// send command to serial port
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_serialPort.Write(commandString);
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}
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#endregion
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#region PublicFunctions
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/// <summary>
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/// DMMSquibMeter101SQBRAK factory constructor
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/// </summary>
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/// <param name="deviceName"></param>
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/// <param name="configurationManager"></param>
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public DMMSquibMeter101SQBRAK(string deviceName, IConfigurationManager configurationManager, ILogger logger)
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{
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Name = deviceName;
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_logger = logger;
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_configurationManager = configurationManager;
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_configuration = _configurationManager.GetConfiguration(Name);
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string comPortName = _configuration.GetConfigurationValue("DMMSquibMeter101SQBRAK", "ComPortName", "COM1");
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_address = comPortName;
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int baudRate = _configuration.GetConfigurationValue("DMMSquibMeter101SQBRAK", "BaudRate", 9600);
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Parity parity = _configuration.GetConfigurationValue("DMMSquibMeter101SQBRAK", "Parity", Parity.None);
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int dataBits = _configuration.GetConfigurationValue("DMMSquibMeter101SQBRAK", "DataBits", 8);
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StopBits stopBits = _configuration.GetConfigurationValue("DMMSquibMeter101SQBRAK", "StopBits", StopBits.One);
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_serialPort = new SerialPort(comPortName, baudRate, parity, dataBits, stopBits);
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_lastType = 0;
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_lastRange = 0;
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_lastResolution = 0;
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_readBuffer = new byte[1000];
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//created in Initialize()
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_state = State.Uninitialized;
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_selfTestResult = SelfTestResult.Unknown;
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}
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/// <summary>
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/// The constructor which opens the handle to the DMM and performs a self test on the instrument
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/// </summary>
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/// <param name="name">The name of this dmm</param>
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/// <param name="address">The address of the DMM</param>
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public DMMSquibMeter101SQBRAK(string name, string comPortName, int baudRate = 9600, Parity parity = Parity.None, int dataBits = 8, StopBits stopBits = StopBits.One)
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{
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_name = name;
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_address = comPortName;
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_serialPort = new SerialPort(comPortName, baudRate, parity, dataBits, stopBits);
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_lastType = 0;
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_lastRange = 0;
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_lastResolution = 0;
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_readBuffer = new byte[1000];
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_logger = LogManager.GetCurrentClassLogger();
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//created in Initialize()
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_state = State.Uninitialized;
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_selfTestResult = SelfTestResult.Unknown;
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}
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/// <summary>
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/// The Finalizer which will release resources if required
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/// </summary>
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~DMMSquibMeter101SQBRAK()
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{
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Dispose(false);
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}
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/// <summary>
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///
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/// </summary>
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/// <returns></returns>
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public bool ClearErrors()
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{
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throw new NotImplementedException(); // if serial command for clearing errors add here, if not leave as is
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="type"></param>
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/// <param name="range"></param>
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/// <param name="resolution"></param>
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public void ConfigureCurrentMeasurement(MeasurementFunction type, Current range, Current resolution)
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{
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throw new NotImplementedException(); // if serial command for clearing errors add here, if not leave as is
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="type"></param>
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/// <param name="range"></param>
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/// <param name="resolution"></param>
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public void ConfigureFrequencyMeasurement(MeasurementFunction type, Frequency range, Frequency resolution)
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{
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throw new NotImplementedException(); // if serial command for clearing errors add here, if not leave as is
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="type"></param>
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/// <param name="range"></param>
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/// <param name="resolution"></param>
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public void ConfigureResistanceMeasurement(MeasurementFunction type, Resistance range, Resistance resolution)
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{
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if (type != MeasurementFunction.FourWireResistance && type != MeasurementFunction.TwoWireResistance)
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{
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throw new Exception("only FourWireResistance or TwoWireResistance is acceptable for param type: " + _lastType.ToString());
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}
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_lastType = type;
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_lastRange = range.Ohms;
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_lastResolution = resolution.Ohms;
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="type"></param>
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/// <param name="range"></param>
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/// <param name="resolution"></param>
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public void ConfigureVoltageMeasurement(MeasurementFunction type, Voltage range, Voltage resolution)
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{
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throw new NotImplementedException(); // if serial command for clearing errors add here, if not leave as is
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}
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/// <summary>
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///
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/// </summary>
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public string DetailedStatus
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{
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get
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{
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versionInfo = IOQuery("VR");
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return "Squib Meter version Information (Cage Code | Model Number | Serial Number | Firmware Version | Calibration Date): " + versionInfo;
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}
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}
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/// <summary>
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///
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/// </summary>
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public bool DisplayEnabled
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{
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get
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{
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throw new NotImplementedException();
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}
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set
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{
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throw new NotImplementedException();
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}
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}
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/// <summary>
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/// Dispose of this objects resources
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/// </summary>
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public void Dispose()
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{
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try
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{
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Dispose(true);
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GC.SuppressFinalize(this);
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}
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catch (Exception)
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{
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try
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{
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//ErrorLogger.Instance().Write(err.Message + "\r\n" + err.StackTrace);
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}
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catch (Exception)
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{
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//Do not rethrow. Exception from error logger that has already been garbage collected
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}
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}
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}
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/// <summary>
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///
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/// </summary>
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public bool FrontPanelEnabled
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{
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get
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{
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throw new NotImplementedException();
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}
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set
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{
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throw new NotImplementedException();
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}
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}
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/// <summary>
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///
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/// </summary>
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public InstrumentMetadata Info
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{
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get
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{
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throw new NotImplementedException();
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}
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}
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/// <summary>
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///
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/// </summary>
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public void Initialize()
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{
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if (_state == State.Uninitialized)
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{
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// Open the port
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_serialPort.Open();
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// set the squib meter to remote state
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IOQuery("RM");
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// Ensure continuous reading is off
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IOQuery("COFF");
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// Flush FIFO buffer
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IOQuery("FS");
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_state = State.Ready;
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}
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else
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{
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throw new Exception("expected the state to be Uninitialized, state was: " + _state.ToString());
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}
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}
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/// <summary>
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///
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/// </summary>
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public MeasurementFunction MeasurementType
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{
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get
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{
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throw new NotImplementedException();
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}
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="timeout"></param>
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/// <returns></returns>
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public Current MeasureCurrent(int timeout)
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{
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throw new NotImplementedException();
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="timeout"></param>
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/// <returns></returns>
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public Frequency MeasureFrequency(int timeout)
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{
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throw new NotImplementedException();
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="timeout"></param>
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/// <returns></returns>
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public Resistance MeasureResistance(int timeout)
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{
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if (_lastType != MeasurementFunction.FourWireResistance && _lastType != MeasurementFunction.TwoWireResistance)
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{
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throw new Exception("only FourWireResistance or TwoWireResistance is acceptable for param type: " + _lastType.ToString());
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}
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IOQuery("SR"); //todo need to add in range values
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// send serial command to send & read response
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// set range
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// set resolution
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// any other settings that need to be sent (write) before taking measurement
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string response = IOQuery("RV");
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// parse the response //TODO Parse the return data (0= command ok, 1= unknown command, 2= command not allowed in present mode | reading | over range state | wiring error state | calibration state (ok or bad) | hardware state (ok or bad))
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double rsp = Util.ConvertStringToDouble(response); //if string is only number this is ok, if there are any other char must strip them off
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return Resistance.FromOhms(rsp);
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}
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/// <summary>
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///
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/// </summary>
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/// <param name="timeout"></param>
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/// <returns></returns>
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public Voltage MeasureVoltage(int timeout)
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{
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throw new NotImplementedException(); // if serial command for clearing errors add here, if not leave as is
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}
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/// <summary>
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///
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/// </summary>
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public string Name
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{
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get { return _name; }
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set { _name = value; }
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}
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||||
/// <summary>
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||||
///
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||||
/// </summary>
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||||
/// <returns></returns>
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||||
public SelfTestResult PerformSelfTest()
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{
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int testResult = 0;
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const string BatteryState = "LOW";
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string result = IOQuery("RV");
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// Set measurement input to backplane after performing self test. Default is front panel.
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// _dmm.Measurement.In = VTEXDmmInputSelectEnum.VTEXDmmInputSelectInternal;
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||||
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if (result == BatteryState)
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{
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_selfTestResult = Raytheon.Instruments.SelfTestResult.Fail;
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||||
throw new Exception("Battery state: " + testResult + " Battery State Message: " + result);
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||||
}
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||||
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||||
_selfTestResult = Raytheon.Instruments.SelfTestResult.Pass;
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||||
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||||
return _selfTestResult;
|
||||
}
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||||
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||||
/// <summary>
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||||
///
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||||
/// </summary>
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||||
public void Reset()
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||||
{
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IOWrite("RST");
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}
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||||
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||||
/// <summary>
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||||
///
|
||||
/// </summary>
|
||||
public SelfTestResult SelfTestResult
|
||||
{
|
||||
get
|
||||
{
|
||||
return _selfTestResult;
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
///
|
||||
/// </summary>
|
||||
public State Status
|
||||
{
|
||||
get
|
||||
{
|
||||
return _state;
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
///
|
||||
/// </summary>
|
||||
public void Shutdown()
|
||||
{
|
||||
if (_state == State.Ready)
|
||||
{
|
||||
IOWrite("RST"); // send reset command
|
||||
IOWrite("LM"); // sets squib meter to local mode (it is set to remote in initilize)
|
||||
|
||||
_serialPort.Close();
|
||||
|
||||
_state = State.Uninitialized;
|
||||
}
|
||||
}
|
||||
|
||||
#endregion
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user