public int Process(Burst burst, float *audioOut)
{
var trafficChannel = 0;
BurstReceived = (burst.Type != BurstType.None);
_timeCounter++;
Ber = _averageBer;
if (_timeCounter > 100)
{
Mer = (_badBurstCounter / _timeCounter) * 100.0f;
_timeCounter = 0;
_badBurstCounter = 0;
}
_networkTime.AddTimeSlot();
if (burst.Type == BurstType.None)
{
_haveErrors = true;
if (TetraMode == Mode.TMO)
{
_badBurstCounter++;
//Debug.WriteLine("burst err");
//Debug.Write(string.Format("ts:{0:0} fr:{1:00} Burst_Err", _networkTime.TimeSlot, _networkTime.Frame));
}
return(trafficChannel);
}
_haveErrors = false;
//Debug.WriteLine("");
//Debug.Write(string.Format("ts:{0:0} fr:{1:00}", _networkTime.TimeSlot, _networkTime.Frame));
//Debug.Write(" " + burst.Type.ToString());
_parse.ResetAACH();
_data.Clear();
_syncInfo.Clear();
#region Sync burst
if (burst.Type == BurstType.SYNC)
{
_phyLevel.ExtractSBChannels(burst, _sb1BufferPtr);
_logicChannel = _lowerMac.ExtractLogicChannelFromSB(_sb1BufferPtr, _sb1Buffer.Length);
_badBurstCounter += _logicChannel.CrcIsOk ? 0.0f : 0.5f;
_haveErrors |= !_logicChannel.CrcIsOk;
_averageBer = _averageBer * 0.5f + _lowerMac.Ber * 0.5f;
//Debug.Write(" slot 1:" + (_logicChannel.CrcIsOk ? " OK" : " Err"));
if (_logicChannel.CrcIsOk)
{
_parse.SyncPDU(_logicChannel, _syncInfo);
if (_syncInfo.Value(GlobalNames.SystemCode) < 8)
{
TetraMode = Mode.TMO;
_lowerMac.ScramblerCode = TetraUtils.CreateScramblerCode(_syncInfo.Value(GlobalNames.MCC), _syncInfo.Value(GlobalNames.MNC), _syncInfo.Value(GlobalNames.ColorCode));
_networkTime.Synchronize(_syncInfo.Value(GlobalNames.TimeSlot), _syncInfo.Value(GlobalNames.Frame), _syncInfo.Value(GlobalNames.MultiFrame));
}
else
{
TetraMode = Mode.DMO;
if (_syncInfo.Value(GlobalNames.SYNC_PDU_type) == 0)
{
//Debug.Write(_syncInfo.Value(GlobalNames.Master_slave_link_flag) == 1 ? " Master" : " Slave");
if (_syncInfo.Value(GlobalNames.Master_slave_link_flag) == 1 || _syncInfo.Value(GlobalNames.Communication_type) == 0)
{
_networkTime.SynchronizeMaster(_syncInfo.Value(GlobalNames.TimeSlot), _syncInfo.Value(GlobalNames.Frame));
}
else
{
_networkTime.SynchronizeSlave(_syncInfo.Value(GlobalNames.TimeSlot), _syncInfo.Value(GlobalNames.Frame));
}
}
}
}
else
{
//Debug.WriteLine("Sync SB crc error");
}
_phyLevel.ExtractPhyChannels(TetraMode, burst, _bbBufferPtr, _bkn1BufferPtr, _bkn2BufferPtr);
if (TetraMode == Mode.TMO)
{
_logicChannel = _lowerMac.ExtractLogicChannelFromBKN(_bkn2BufferPtr, _bkn2Buffer.Length);
_logicChannel.TimeSlot = _networkTime.TimeSlot;
_logicChannel.Frame = _networkTime.Frame;
_badBurstCounter += _logicChannel.CrcIsOk ? 0.0f : 0.5f;
_haveErrors |= !_logicChannel.CrcIsOk;
_averageBer = _averageBer * 0.5f + _lowerMac.Ber * 0.5f;
//Debug.Write(" slot 2:" + (_logicChannel.CrcIsOk ? " OK" : " Err"));
if (_logicChannel.CrcIsOk)
{
_parse.TmoParseMacPDU(_logicChannel, _data);
}
else
{
//Debug.WriteLine("Sync BKN2 crc error");
}
}
else
{
_logicChannel = _lowerMac.ExtractLogicChannelFromBKN2(_bkn2BufferPtr, _bkn2Buffer.Length);
_logicChannel.TimeSlot = _networkTime.TimeSlot;
_logicChannel.Frame = _networkTime.Frame;
_badBurstCounter += _logicChannel.CrcIsOk ? 0.0f : 0.5f;
_haveErrors |= !_logicChannel.CrcIsOk;
_averageBer = _averageBer * 0.5f + _lowerMac.Ber * 0.5f;
//Debug.Write(" slot 2:" + (_logicChannel.CrcIsOk ? " OK" : " Err"));
if (_logicChannel.CrcIsOk)
{
_parse.SyncPDUHalfSlot(_logicChannel, _syncInfo);
if (_syncInfo.Value(GlobalNames.Communication_type) == 0)
{
if (_syncInfo.Contains(GlobalNames.MNC) && _syncInfo.Contains(GlobalNames.Source_address))
{
_lowerMac.ScramblerCode = TetraUtils.CreateScramblerCode(_syncInfo.Value(GlobalNames.MNC), _syncInfo.Value(GlobalNames.Source_address));
}
}
else if (_syncInfo.Value(GlobalNames.Communication_type) == 1)
{
if (_syncInfo.Contains(GlobalNames.Repeater_address) && _syncInfo.Contains(GlobalNames.Source_address))
{
_lowerMac.ScramblerCode = TetraUtils.CreateScramblerCode(_syncInfo.Value(GlobalNames.Repeater_address), _syncInfo.Value(GlobalNames.Source_address));
}
}
}
}
UpdateSyncInfo(_syncInfo);
}
#endregion
UpdatePublicProp();
#region Other burst
if (burst.Type != BurstType.SYNC)
{
_phyLevel.ExtractPhyChannels(TetraMode, burst, _bbBufferPtr, _bkn1BufferPtr, _bkn2BufferPtr);
if (TetraMode == Mode.TMO)
{
_logicChannel = _lowerMac.ExtractLogicChannelFromBB(_bbBufferPtr, _bbBuffer.Length);
_logicChannel.TimeSlot = _networkTime.TimeSlot;
_logicChannel.Frame = _networkTime.Frame;
_badBurstCounter += _logicChannel.CrcIsOk ? 0.0f : 0.2f;
_haveErrors |= !_logicChannel.CrcIsOk;
//Debug.Write(_logicChannel.CrcIsOk ? " BB OK" : " BB Err");
if (_logicChannel.CrcIsOk)
{
_parse.AccessAsignPDU(_logicChannel);
}
else
{
//Debug.WriteLine("BB crc error");
}
}
switch (burst.Type)
{
case BurstType.NDB1:
if (((TetraMode == Mode.TMO) && (_parse.DownLinkChannelType == ChannelType.Traffic)) ||
((TetraMode == Mode.DMO) && (!_networkTime.Frame18) && (_networkTime.TimeSlot == 1)) ||
((TetraMode == Mode.DMO) && (!_networkTime.Frame18Slave) && (_networkTime.TimeSlotSlave == 1)))
{
//Debug.Write(" slot 12:voice");
_logicChannel = _lowerMac.ExtractVoiceDataFromBKN1BKN2(_bkn1BufferPtr, _bkn2BufferPtr, _bkn1Buffer.Length);
var itsAudio = DecodeAudio(audioOut, _logicChannel.Ptr, _logicChannel.Length, false, _networkTime.TimeSlot);
trafficChannel = itsAudio ? _networkTime.TimeSlot : 0;
break;
}
else
{
_logicChannel = _lowerMac.ExtractLogicChannelFromBKN1BKN2(_bkn1BufferPtr, _bkn2BufferPtr, _bkn1Buffer.Length);
_logicChannel.TimeSlot = _networkTime.TimeSlot;
_logicChannel.Frame = _networkTime.Frame;
_badBurstCounter += _logicChannel.CrcIsOk ? 0.0f : 0.8f;
_haveErrors |= !_logicChannel.CrcIsOk;
_averageBer = _averageBer * 0.5f + _lowerMac.Ber * 0.5f;
//Debug.Write(" slot 12:" + (_logicChannel.CrcIsOk ? " OK" : " Err"));
if (_logicChannel.CrcIsOk)
{
if (TetraMode == Mode.TMO)
{
_parse.TmoParseMacPDU(_logicChannel, _data);
}
else
{
_parse.DmoParseMacPDU(_logicChannel, _data);
}
}
else
{
//Debug.WriteLine("BKN1 BKN2 crc error");
}
}
break;
case BurstType.NDB2:
_logicChannel = _lowerMac.ExtractLogicChannelFromBKN(_bkn1BufferPtr, _bkn1Buffer.Length);
_logicChannel.TimeSlot = _networkTime.TimeSlot;
_logicChannel.Frame = _networkTime.Frame;
_badBurstCounter += _logicChannel.CrcIsOk ? 0.0f : 0.4f;
_haveErrors |= !_logicChannel.CrcIsOk;
_averageBer = _averageBer * 0.5f + _lowerMac.Ber * 0.5f;
//Debug.Write(" slot 1:" + (_logicChannel.CrcIsOk ? " OK" : " Err"));
if (_logicChannel.CrcIsOk)
{
if (TetraMode == Mode.TMO)
{
_parse.TmoParseMacPDU(_logicChannel, _data);
}
else
{
_parse.DmoParseMacPDU(_logicChannel, _data);
}
}
else
{
//Debug.WriteLine("BKN1 crc error");
}
if ((_parse.DownLinkChannelType == ChannelType.Traffic && !_parse.HalfSlotStolen) ||
((TetraMode == Mode.DMO) && (!_networkTime.Frame18) && (_networkTime.TimeSlot == 1) && (!_parse.HalfSlotStolen)) ||
((TetraMode == Mode.DMO) && (!_networkTime.Frame18Slave) && (_networkTime.TimeSlotSlave == 1) && (!_parse.HalfSlotStolen)))
{
//Debug.Write(" slot 2:voice");
_logicChannel = _lowerMac.ExtractVoiceDataFromBKN2(_bkn2BufferPtr, _bkn2Buffer.Length);
var itsAudio = DecodeAudio(audioOut, _logicChannel.Ptr, _logicChannel.Length, true, _networkTime.TimeSlot);
trafficChannel = itsAudio ? _networkTime.TimeSlot : 0;
break;
}
else
{
_logicChannel = _lowerMac.ExtractLogicChannelFromBKN(_bkn2BufferPtr, _bkn2Buffer.Length);
_logicChannel.TimeSlot = _networkTime.TimeSlot;
_logicChannel.Frame = _networkTime.Frame;
_badBurstCounter += _logicChannel.CrcIsOk ? 0.0f : 0.4f;
_haveErrors |= !_logicChannel.CrcIsOk;
_averageBer = _averageBer * 0.5f + _lowerMac.Ber * 0.5f;
//Debug.Write(" slot 2:" + (_logicChannel.CrcIsOk ? " OK" : " Err"));
if (_logicChannel.CrcIsOk)
{
if (TetraMode == Mode.TMO)
{
_parse.TmoParseMacPDU(_logicChannel, _data);
}
else
{
_parse.DmoParseMacPDU(_logicChannel, _data);
}
}
else
{
//Debug.WriteLine("BKN2 crc error");
}
}
break;
default:
break;
}
}
if (_data.Count > 0)
{
UpdateData(_data);
}
#endregion
return(trafficChannel);
}