614 lines
17 KiB
C#
614 lines
17 KiB
C#
// 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UNPUBLISHED WORK - COPYRIGHT RAYTHEON COMPANY.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 CdioCs;
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using Raytheon.Instruments.GeneralIO;
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using System.Collections.Generic;
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using NLog;
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using Raytheon.Common;
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using System.ComponentModel.Composition.Primitives;
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using System.IO;
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using System.Reflection;
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namespace Raytheon.Instruments
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{
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/// <summary>
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/// A class that implements a Contec DIO card
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/// </summary>
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public class DIOContec : IGeneralIO, IDisposable
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{
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#region PrivateClassMembers
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private Cdio _dio;
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private short _id;
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private string _name;
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private string _address;
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private SelfTestResult _selfTestResult;
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private State _state;
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private object _syncObj = new Object();
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private int _numChannelPerPort = 8;
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private int _channelStartIndex = 0;
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private int _numInputChannels;
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private int _numOutputChannels;
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private bool _shallWeInitializeOutput = false;
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private Dictionary<string, IODatatypes.DIOChannelInfo> _signalNameToChannelMap = new Dictionary<string, IODatatypes.DIOChannelInfo>();
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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 PrivateClassFunctions
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/// <summary>
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/// Dispose of this object's resources
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/// </summary>
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/// <param name="disposing">True = currently disposing, False = not disposing.</param>
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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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Reset();
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_dio.Exit(_id);
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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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/// Invert Contec DIO bits.
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/// </summary>
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private byte InvertBit(byte bitValue)
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{
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if (bitValue == 0)
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{
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return 1;
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}
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else if (bitValue == 1)
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{
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return 0;
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}
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else
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{
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throw new Exception("Unexpected input value: " + bitValue.ToString());
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}
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}
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#endregion
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#region PublicClassFunctions
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/// <summary>
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/// DIOContec 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 DIOContec(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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_address = _configuration.GetConfigurationValue("DIOContec", "Address", "");
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string assemblyFolder = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
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string dioModuleDefPath = _configuration.GetConfigurationValue(deviceName, ConfigXml.DIO_MODULE_DEF_FILEPATH.ToString());
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if (!Path.IsPathRooted(dioModuleDefPath))
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dioModuleDefPath = Path.GetFullPath(Path.Combine(assemblyFolder, dioModuleDefPath));
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IConfigurationFile dioModuleConfig = new ConfigurationFile(dioModuleDefPath);
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Boolean.TryParse(dioModuleConfig.ReadValue(Name, ConfigIni.SHALL_WE_DRIVE_OUTPUT_UPON_INITIALIZATION.ToString()), out _shallWeInitializeOutput);
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_address = dioModuleConfig.ReadValue(Name, ConfigIni.DIO_ADDRESS.ToString());
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Int32.TryParse(dioModuleConfig.ReadValue(Name, ConfigIni.NUM_INPUT_CHANNELS.ToString()), out _numInputChannels);
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Int32.TryParse(dioModuleConfig.ReadValue(Name, ConfigIni.NUM_OUTPUT_CHANNELS.ToString()), out _numOutputChannels);
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Int32.TryParse(dioModuleConfig.ReadValue(Name, ConfigIni.NUM_CHANNELS_PER_PORT.ToString()), out _numChannelPerPort);
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Int32.TryParse(dioModuleConfig.ReadValue(Name, ConfigIni.CHANNEL_START_INDEX.ToString()), out _channelStartIndex);
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if (!(_channelStartIndex == 0 || _channelStartIndex == 1))
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{
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throw new Exception($"The value for key {ConfigIni.CHANNEL_START_INDEX.ToString()} in section {Name} must be 0 or 1 in {dioModuleDefPath}");
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}
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List<string> outputSignalNames = dioModuleConfig.ReadAllKeys($"{Name}.{ConfigIni.OUTPUT_SIGNALS}");
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List<string> intputSignalNames = dioModuleConfig.ReadAllKeys($"{Name}.{ConfigIni.INPUT_SIGNALS}");
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IODatatypes.DIOChannelInfo info;
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foreach (string signalName in outputSignalNames)
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{
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if (_signalNameToChannelMap.ContainsKey(signalName))
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throw new Exception($"Key {signalName} in section {Name}.{ConfigIni.OUTPUT_SIGNALS} conflicts with the same key defined in another section.");
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string iniLine = dioModuleConfig.ReadValue($"{Name}.{ConfigIni.OUTPUT_SIGNALS}", signalName);
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string[] infoTokens = iniLine.Split('|');
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if (infoTokens.Length != 2)
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{
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throw new Exception($"Key {signalName} in section {Name}.{ConfigIni.OUTPUT_SIGNALS} does not contain 2 tokens");
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}
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info.channelNumber = Convert.ToUInt32(infoTokens[0]);
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info.initialValue = Convert.ToInt32(infoTokens[1]);
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_signalNameToChannelMap[signalName] = info;
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}
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foreach (string signalName in intputSignalNames)
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{
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if (_signalNameToChannelMap.ContainsKey(signalName))
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throw new Exception($"Key {signalName} in section {Name}.{ConfigIni.INPUT_SIGNALS} conflicts with the same key defined in another section.");
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string iniLine = dioModuleConfig.ReadValue($"{Name}.{ConfigIni.INPUT_SIGNALS}", signalName);
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info.channelNumber = Convert.ToUInt32(iniLine);
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info.initialValue = -1;
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_signalNameToChannelMap[signalName] = info;
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}
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_selfTestResult = SelfTestResult.Unknown;
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_state = State.Uninitialized;
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// set in Initialize()
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_dio = null;
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_id = -1;
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}
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/// <summary>
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/// Constructor which opens a handle to the DIO instrument and resets it.
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/// Note that all signals on the Contec DIO card are inverted.
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/// This class masks the inversion so that the caller does not have to deal with it.
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/// </summary>
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public DIOContec(string name, string address, List<uint> inputPins, List<uint> outputPins)
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{
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_name = name;
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_address = address;
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_logger = LogManager.GetCurrentClassLogger();
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_selfTestResult = SelfTestResult.Unknown;
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_state = State.Uninitialized;
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// set in Initialize()
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_dio = null;
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_id = -1;
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}
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/// <summary>
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/// The finalizer.
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/// </summary>
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~DIOContec()
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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();
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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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return "This is a Contec DIO Card " + _name;
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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 object's resources.
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/// </summary>
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public void Dispose()
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{
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lock (_syncObj)
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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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}
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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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/// <param name="signalName"></param>
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/// <returns></returns>
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public IODatatypes.BitState GetBitState(string signalName)
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{
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lock (_syncObj)
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{
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if (!_signalNameToChannelMap.ContainsKey(signalName))
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throw new Exception($"Signal name {signalName} doesn't exist for card: " + _name);
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if (_signalNameToChannelMap[signalName].channelNumber >= _numInputChannels || _signalNameToChannelMap[signalName].channelNumber < _channelStartIndex)
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{
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throw new Exception($"The input channel number {_signalNameToChannelMap[signalName].channelNumber} specified must be >= {_channelStartIndex} and < {_numInputChannels + _channelStartIndex} on card " + _name);
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}
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int bitIndex = (int)_signalNameToChannelMap[signalName].channelNumber - _channelStartIndex;
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byte dioData = 0;
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int ret = _dio.InpBit(_id, (short)bitIndex, out dioData);
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if (ret != 0)
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{
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string errorString = "";
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_dio.GetErrorString(ret, out errorString);
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throw new Exception("call to InpBit returned error: " + ret.ToString() + ", " + errorString + " on card " + _name);
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}
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return (IODatatypes.BitState)InvertBit(dioData);
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}
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}
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/// <summary>
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/// Get state of an output signal. The contec DIO states are inverted.
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/// This function masks the inversion before returning.
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/// </summary>
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/// <param name="bitno">The bit number of the signal.</param>
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/// <returns>The state of the signal. 0 for low, 1 for high.</returns>
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/*public DioMeasurementInstruments.SignalState GetOutputSignalState(uint bitno)
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{
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byte dioData = 0;
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int ret = _dio.EchoBackBit(_id, (short)bitno, out dioData);
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if (ret != 0)
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{
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string errorString = "";
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_dio.GetErrorString(ret, out errorString);
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throw new Exception("call to EchoBackBit returned error: " + ret.ToString() + ", " + errorString);
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}
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dioData = InvertBit(dioData);
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if (dioData == 0)
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{
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return DioMeasurementInstruments.SignalState.LOW;
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}
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else
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{
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return DioMeasurementInstruments.SignalState.HIGH;
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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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lock (_syncObj)
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{
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if (_state == State.Uninitialized)
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{
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_dio = new Cdio();
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int ret = _dio.Init(_address, out _id);
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if (ret != 0)
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{
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string errorString = "";
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_dio.GetErrorString(ret, out errorString);
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throw new Exception("call to Init returned error: " + ret.ToString() + ", " + errorString + " on card " + _name);
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}
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Reset();
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if (_shallWeInitializeOutput)
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{
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foreach (KeyValuePair<string, IODatatypes.DIOChannelInfo> item in _signalNameToChannelMap)
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{
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if (item.Value.initialValue != -1)
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{
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SetBit(item.Key, (IODatatypes.BitState)item.Value.initialValue);
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}
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}
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}
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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() + " on card " + _name);
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}
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}
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}
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/// <summary>
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/// Return list of signal names
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/// </summary>
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public List<string> GetSignalNames()
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{
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return new List<string>(_signalNameToChannelMap.Keys);
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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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public uint NumberOfInputBits
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{
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get
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{
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return (uint)_numInputChannels;
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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 uint NumberOfOutputBits
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{
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get
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{
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return (uint)_numOutputChannels;
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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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/// <returns></returns>
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public SelfTestResult PerformSelfTest()
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{
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// card does not support self test
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throw new NotImplementedException("card does not support self test" + " on card " + _name);
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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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lock (_syncObj)
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{
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int ret = _dio.ResetDevice(_id);
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if (ret != 0)
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{
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string errorString = "";
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_dio.GetErrorString(ret, out errorString);
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throw new Exception("call to ResetDevice returned error: " + ret.ToString() + ", " + errorString + " on card " + _name);
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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 SelfTestResult SelfTestResult
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{
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get
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{
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return _selfTestResult;
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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="signalName"></param>
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/// <param name="state"> high(open) or low(closed) </param>
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///
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public void SetBit(string signalName, IODatatypes.BitState state)
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{
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lock (_syncObj)
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{
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if (!_signalNameToChannelMap.ContainsKey(signalName))
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throw new Exception($"Signal name {signalName} doesn't exist for card: " + _name);
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if (_signalNameToChannelMap[signalName].channelNumber >= _numOutputChannels || _signalNameToChannelMap[signalName].channelNumber < _channelStartIndex)
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{
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throw new Exception($"The output channel number {_signalNameToChannelMap[signalName].channelNumber} specified must be >= {_channelStartIndex} and < {_numOutputChannels + _channelStartIndex} on card " + _name);
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}
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int bitIndex = (int)_signalNameToChannelMap[signalName].channelNumber - _channelStartIndex;
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int ret = _dio.OutBit(_id, (short)bitIndex, InvertBit((byte)state));
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if (ret != 0)
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{
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string errorString = "";
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_dio.GetErrorString(ret, out errorString);
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throw new Exception("call to OutBit returned error: " + ret.ToString() + ", " + errorString + " on card " + _name);
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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="bit"></param>
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public void SetTristate(string signalName)
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{
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lock (_syncObj)
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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="bit"></param>
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/// <param name="frequencyInHz"></param>
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/// <param name="dutyCylePercentage"></param>
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public void StartClock(uint bit, double frequencyInHz, double dutyCylePercentage)
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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="bit"></param>
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public void StopClock(uint bit)
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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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public State Status
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{
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get
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{
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return _state;
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}
|
|
}
|
|
|
|
/// <summary>
|
|
///
|
|
/// </summary>
|
|
public void Shutdown()
|
|
{
|
|
lock (_syncObj)
|
|
{
|
|
if (_state == State.Ready)
|
|
{
|
|
Reset();
|
|
|
|
_dio.Exit(_id);
|
|
|
|
_state = State.Uninitialized;
|
|
}
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
}
|
|
}
|