2025-09-14 21:47:58 +02:00

87 lines
2.4 KiB
C#

using skyscraper5.Skyscraper;
using skyscraper5.Skyscraper.IO;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace skyscraper5.src.InteractionChannel.Model
{
public class Cmt : Validatable
{
public Cmt(MemoryStream ms)
{
InBitStream ibs = new InBitStream(ms);
byte entryLoopCount = ibs.ReadBitsAsByte(8);
entryLoopCount++;
Entries = new CmtEntry[entryLoopCount];
for (int i = 0; i < entryLoopCount; i++)
{
Entries[i] = new CmtEntry();
Entries[i].GroupId = ibs.ReadBitsAsByte(8);
Entries[i].LoginId = ibs.ReadBitsAsUInt16(16);
bool timeCorrectionFlag = ibs.ReadBitAsBoolean();
bool powerCorrectionFlag = ibs.ReadBitAsBoolean();
bool frequencyCorrectionFlag = ibs.ReadBitAsBoolean();
Entries[i].SlotType = (CorrectionMessageSlotType)ibs.ReadBitsAsByte(2);
Entries[i].BurstTimeScaling = ibs.ReadBitsAsByte(3);
if (timeCorrectionFlag)
Entries[i].BurstTimeCorrection = ibs.ReadBitsAsByte(8);
if (powerCorrectionFlag)
{
bool powerControlFlag = ibs.ReadBitAsBoolean();
if (powerControlFlag)
Entries[i].PowerCorrection = ibs.ReadBitsAsByte(7);
else
Entries[i].EsN0 = ibs.ReadBitsAsByte(7);
}
if (frequencyCorrectionFlag)
Entries[i].FrequencyCorrection = ibs.ReadBitsAsUInt16(16);
}
uint crc32 = ibs.ReadBitsAsUint(32);
Valid = true;
}
public CmtEntry[] Entries;
public class CmtEntry
{
public byte GroupId { get; internal set; }
public ushort LoginId { get; internal set; }
public CorrectionMessageSlotType SlotType { get; internal set; }
public int BurstTimeScaling { get; internal set; }
public uint? BurstTimeCorrection { get; internal set; }
public int? PowerCorrection { get; internal set; }
public int? EsN0 { get; internal set; }
public ushort FrequencyCorrection { get; internal set; }
protected bool Equals(CmtEntry other)
{
return GroupId == other.GroupId && LoginId == other.LoginId && SlotType == other.SlotType;
}
public override bool Equals(object? obj)
{
if (ReferenceEquals(null, obj))
return false;
if (ReferenceEquals(this, obj))
return true;
if (obj.GetType() != this.GetType())
return false;
return Equals((CmtEntry)obj);
}
public override int GetHashCode()
{
return HashCode.Combine(GroupId, LoginId, (int)SlotType);
}
}
}
}