84 lines
2.8 KiB
C#
84 lines
2.8 KiB
C#
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using System.Collections.Generic;
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using DTS.Common.Enums.DASFactory;
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using DTS.Common.ICommunication;
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using DTS.Common.Utilities;
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namespace DTS.DASLib.Command.SLICE.RealtimeCommands
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{
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public class RetrieveSampleAverage : RealtimeCommandBase
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{
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protected override Commands _Command => Commands.RetrieveSampleAverage;
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const int SAMPLES_POSITION = 0;
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const int DATA_POSITION = 2;
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private ushort _samples;
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public ushort Samples
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{
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set { _samples = value; command.SetParameter(SAMPLES_POSITION, _samples); }
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get => _samples;
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}
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public short[] _data;
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public short GetChannelData(int zeroBasedChannel)
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{
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return _data[zeroBasedChannel];
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}
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public ushort Channels
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{
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get
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{
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if (null == _data) return 0;
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return (ushort)_data.Length;
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}
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}
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public RetrieveSampleAverage(DTS.Common.Interface.DASFactory.ICommunication sock)
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: base(sock)
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{
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command.Parameter = new byte[DATA_POSITION];
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}
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public RetrieveSampleAverage(DTS.Common.Interface.DASFactory.ICommunication sock, int timeoutMillisec)
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: base(sock, timeoutMillisec)
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{
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command.Parameter = new byte[DATA_POSITION];
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}
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protected override CommandReceiveAction WholePackage()
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{
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if (response.Status != DFConstantsAndEnums.CommandStatus.StatusNoError)
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return CommandReceiveAction.StopReceiving;
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// Figure out how many samples were actually used to compute the means --
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// we may have requested more than the recorder has RAM to store
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response.GetParameter(SAMPLES_POSITION, out _samples);
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// Figure out the number of channels returned and grab the means
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var numChannels = (response.Parameter.Length - 2) / 2;
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_data = new short[numChannels];
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for (var i = 0; i < numChannels; i++)
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{
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response.GetParameter(2 * i + DATA_POSITION, out _data[i]);
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}
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return CommandReceiveAction.StopReceiving;
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}
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public override void CommandToString(ref List<List<string>> lines)
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{
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base.CommandToString(ref lines);
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lines.Add(new List<string> { $"Samples Requested: {Samples}" });
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}
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public override void ResponseToString(ref List<List<string>> lines)
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{
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base.ResponseToString(ref lines);
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lines.Add(new List<string>
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{
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$"Channels: {Channels}, Samples Used: {Samples}, Data: {ArrayToString.ArrayObjectToString(_data)}"
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});
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}
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}
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}
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