public void SyncPDU(LogicChannel channelData, ReceivedData result)
{
var length = 4;
var offset = 0;
var systemCode = TetraUtils.BitsToInt32(channelData.Ptr, offset, length);
offset += length;
result.SetValue(GlobalNames.SystemCode, systemCode);
switch (systemCode)
{
case 12:
case 13:
length = 2;
var pduType = TetraUtils.BitsToInt32(channelData.Ptr, offset, length);
offset += length;
result.SetValue(GlobalNames.SYNC_PDU_type, pduType);
switch (pduType)
{
case 0:
//Dmac-Sync
Debug.Write(" DMAC-Sync");
offset = Global.ParseParams(channelData, offset, _dmacSyncInfoRulesDMO, result);
break;
case 1:
//DPRES-SYNC
Debug.Write(" Dpres-Sync");
offset = Global.ParseParams(channelData, offset, _dpresSyncInfoRules, result);
break;
default:
//Reserved;
Debug.Write(" Unknow_DMO_SyncPdu_type");
result.SetValue(GlobalNames.UnknowData, 1);
break;
}
break;
default:
Global.ParseParams(channelData, offset, _syncInfoRulesTMO, result);
break;
}
}
public void SyncPDUHalfSlot(LogicChannel channelData, ReceivedData result)
{
var pduType = -1;
var offset = 0;
if (result.TryGetValue(GlobalNames.SYNC_PDU_type, ref pduType))
{
switch (pduType)
{
case 0:
offset = Global.ParseParams(channelData, offset, _dmacSyncInfoHalfSlotRules, result);
var realLength = channelData.Length - offset;
if (result.Value(GlobalNames.Fill_bit) != 0)
{
realLength = CalcRealLength(channelData.Ptr, offset, realLength);
}
if (result.Value(GlobalNames.Fragmentation_flag) == 1)
{
Debug.Write(" Start_fragmented_PDU");
CreateFraqmentsBuffer(channelData, offset, realLength, result);
}
//Debug.Write(" " + (DMAC_Message_Type)result[GlobalNames.Message_type]);
break;
case 1:
Global.ParseParams(channelData, 0, _dpresSyncInfoHalfSlotRules, result);
break;
default:
Debug.Write(" Unknow_DMO_SyncPdu_type");
result.SetValue(GlobalNames.UnknowData, 1);
break;
}
}
}
public int SysInfoPDU(LogicChannel channelData, int offset, ReceivedData result)
{
var subType = TetraUtils.BitsToByte(channelData.Ptr, offset, 2);
result.SetValue(GlobalNames.MAC_Broadcast_Type, subType);
offset += 2;
switch (subType)
{
case 1:
//Debug.Write(" AcсessDef_PDU");
offset = Global.ParseParams(channelData, offset, _accessDefineRules, result);
break;
case 0:
//Debug.Write(" Broadcast_PDU");
offset = Global.ParseParams(channelData, offset, _sysInfoRules, result);
break;
}
return(offset);
}
public static int ParseParams(LogicChannel channelData, int offset, Rules[] rules, ReceivedData result)
{
var skipRules = 0;
for (int i = 0; i < rules.Length; i++)
{
if (offset >= channelData.Length)
{
if (!result.Contains(GlobalNames.OutOfBuffer))
{
result.SetValue(GlobalNames.OutOfBuffer, 1);
}
return(offset);
}
if (skipRules > 0)
{
skipRules--;
continue;
}
var param = rules[i];
var value = TetraUtils.BitsToInt32(channelData.Ptr, offset, param.Length);
switch (param.Type)
{
case RulesType.Direct:
if (param.GlobalName != GlobalNames.Reserved)
{
result.SetValue(param.GlobalName, value);
}
offset += param.Length;
continue;
case RulesType.Options_bit:
offset += param.Length;
if (value == 0)
{
return(offset);
}
break;
case RulesType.Presence_bit:
if (value == 0)
{
skipRules = param.Ext1;
}
offset += param.Length;
break;
case RulesType.More_bit:
offset += param.Length;
return(offset);
case RulesType.Switch:
if (result.Value((GlobalNames)rules[i].Ext1) == rules[i].Ext2)
{
if (param.GlobalName != GlobalNames.Reserved)
{
result.SetValue(param.GlobalName, value);
}
offset += param.Length;
}
break;
case RulesType.SwitchNot:
if (result.Value((GlobalNames)rules[i].Ext1) != rules[i].Ext2)
{
if (param.GlobalName != GlobalNames.Reserved)
{
result.SetValue(param.GlobalName, value);
}
offset += param.Length;
}
break;
case RulesType.Jamp:
if (result.Value((GlobalNames)rules[i].Ext1) == rules[i].Ext2)
{
skipRules = param.Ext3;
}
break;
case RulesType.JampNot:
if (result.Value((GlobalNames)rules[i].Ext1) != rules[i].Ext2)
{
skipRules = param.Ext3;
}
break;
case RulesType.Reserved:
{
offset += param.Length;
}
break;
}
}
return(offset);
}