100 lines
3.7 KiB
C#
100 lines
3.7 KiB
C#
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using DTS.Serialization.IRIGCH10.Enums;
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using DTS.Serialization.IRIGCH10.Packets;
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using System;
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using System.Collections;
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using System.Text;
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namespace DTS.Serialization.IRIGCH10
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{
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/// <summary>
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/// the TMATS packet in the ch10 file is
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/// a packet containing the setup file, a description of
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/// what channels, das, time formats, etc are used in the file
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/// </summary>
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public class TMATSPacket : AbstractDataPacket, IDataPacket
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{
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/// <summary>
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/// whether the TMATS is in XML or ASCII format
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/// </summary>
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public bool XMLFormat
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{
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get
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{
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var b = new BitArray(BitConverter.GetBytes(ChannelSpecificDataWord));
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return b.Get(9);
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}
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}
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/// <summary>
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/// whether the setup record has changed or not
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/// </summary>
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public bool SetupRecordConfigurationChange
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{
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get
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{
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var b = new BitArray(BitConverter.GetBytes(ChannelSpecificDataWord));
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return b.Get(8);
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}
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}
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/// <summary>
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/// the chapter 10 version of the TMATS file
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/// </summary>
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public RCCChapter10Versions Chapter10Version
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{
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get
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{
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var b = new BitArray(BitConverter.GetBytes(ChannelSpecificDataWord));
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var ver = Utils.Utils.BitArrayToInt32(b, 0, 7);
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switch (ver)
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{
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case 0x07: return RCCChapter10Versions.RCC_106_07;
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case 0x08: return RCCChapter10Versions.RCC_106_09;
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case 0x09: return RCCChapter10Versions.RCC_106_11;
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case 0x0A: return RCCChapter10Versions.RCC_106_13;
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case 0x0B: return RCCChapter10Versions.RCC_106_15;
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default: return RCCChapter10Versions.RESERVED;
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}
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}
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}
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public enum RCCChapter10Versions
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{
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RESERVED,
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RCC_106_07,
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RCC_106_09,
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RCC_106_11,
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RCC_106_13,
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RCC_106_15
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}
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private const byte DataVersionNoSecondaryHeader = 0x01;
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private const byte DataVersionSecondaryHeader = 0x09;
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public TMATSPacket(int nanoseconds, int seconds, string tmatsDoc, bool secondaryHeaderPresent)
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: base(DataFileDataTypes.ComputerGeneratedDataFormat1, secondaryHeaderPresent)
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{
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var tmatsBytes = Encoding.ASCII.GetBytes(tmatsDoc);
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var dataLength = Convert.ToUInt32(4 + tmatsBytes.Length); ;
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var offset = CommonHeaderWork(0, secondaryHeaderPresent ? DataVersionSecondaryHeader : DataVersionNoSecondaryHeader,
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1, BASE_RTC, dataLength, nanoseconds, seconds);
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Buffer.BlockCopy(tmatsBytes, 0, _dataBytes, offset, tmatsBytes.Length);
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}
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public TMATSPacket(byte[] bytes) : base(bytes)
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{
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}
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/// <summary>
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/// the TMATS document
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/// </summary>
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public string TMATSDocument
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{
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get
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{
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//the document is prepended by a ChannelSpecificDataWord and potentially a time header
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var prepend = 4; //CSDW
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if (PacketHeader.SecondaryHeaderPresent) { prepend += SecondaryTimeFormatHeader.SECONDARY_TIME_HEADER_LENGTH; }
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var length = PacketHeader.DataLength - prepend;
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var bytes = new byte[length];
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Buffer.BlockCopy(_dataBytes, prepend, bytes, 0, bytes.Length);
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return Encoding.ASCII.GetString(bytes);
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}
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}
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}
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}
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