public void Clock(bool b)
{
this._raw <<= 1;
this._raw |= b ? 1U : 0U;
++this._count;
if (this._sequence == SyndromeDetector.BlockSequence.WaitBitSync)
{
this._syndrome = SyndromeDetector.BuildSyndrome(this._raw);
this._syndrome ^= (ushort) 984;
this._sequence = (int) this._syndrome == 0 ? SyndromeDetector.BlockSequence.GotA : SyndromeDetector.BlockSequence.WaitBitSync;
this._blocks[0] = (ushort) (this._raw >> 10 & (uint) ushort.MaxValue);
this._count = 0;
}
if (this._count != 26)
return;
this.ProcessSyndrome();
if (this._sequence == SyndromeDetector.BlockSequence.GotD)
{
this._frame.GroupA = this._blocks[0];
this._frame.GroupB = this._blocks[1];
this._frame.GroupC = this._blocks[2];
this._frame.GroupD = this._blocks[3];
this._frame.Filter = false;
RdsFrameAvailableDelegate availableDelegate = this.FrameAvailable;
if (availableDelegate != null)
availableDelegate(ref this._frame);
if (!this._frame.Filter)
this._dumpGroups.AnalyseFrames(ref this._frame);
this._sequence = SyndromeDetector.BlockSequence.GotBitSync;
}
this._count = 0;
}
private void ProcessSyndrome()
{
this._syndrome = SyndromeDetector.BuildSyndrome(this._raw);
switch (this._sequence)
{
case SyndromeDetector.BlockSequence.GotA:
this._syndrome ^= (ushort) 980;
this._sequence = SyndromeDetector.BlockSequence.GotB;
break;
case SyndromeDetector.BlockSequence.GotB:
this._syndrome ^= ((int) this._blocks[1] & 2048) == 0 ? (ushort) 604 : (ushort) 972;
this._sequence = SyndromeDetector.BlockSequence.GotC;
break;
case SyndromeDetector.BlockSequence.GotC:
this._syndrome ^= (ushort) 600;
this._sequence = SyndromeDetector.BlockSequence.GotD;
break;
case SyndromeDetector.BlockSequence.GotBitSync:
this._syndrome ^= (ushort) 984;
this._sequence = SyndromeDetector.BlockSequence.GotA;
break;
}
int index = (int) this._sequence;
if ((int) this._syndrome != 0)
{
if (this._useFec)
{
if ((int) this._syndrome != 0 || this.ApplyFEC() > 5)
this._sequence = SyndromeDetector.BlockSequence.WaitBitSync;
else
this._blocks[index] = (ushort) (this._raw & (uint) ushort.MaxValue);
}
else
this._sequence = SyndromeDetector.BlockSequence.WaitBitSync;
}
else
this._blocks[index] = (ushort) (this._raw >> 10 & (uint) ushort.MaxValue);
}