private void onACK(uMCPInoPacket packet)
{
ACKReceived++;
if (state == uMCPInoState.ASTART)
{
#region state == ASTART
if (packet.RCNT == 0)
{
IsTimeoutTimerRunning = false;
STATE = uMCPInoState.RUNNING;
}
#endregion
}
else if (state == uMCPInoState.RUNNING)
{
#region state == RUNNING
SREP = false;
IsTimeoutTimerRunning = false;
if ((packet.RCNT == N) || (IsByteInRangeExclusive(A, N, packet.RCNT)))
{
AcknowledgeSentItems(packet.RCNT);
}
#endregion
}
SELECT = true;
}
private void onSTR(uMCPInoPacket packet)
{
SELECT = true;
if ((state == uMCPInoState.HALTED) || (state == uMCPInoState.ISTART))
{
#region state == HALTED || ISTART
STATE = uMCPInoState.ASTART;
IsTimeoutTimerRunning = false;
SendPacket(new uMCPInoCTRLPacket(uMCPInoPacketType.STA, 0, 0), true);
#endregion
}
else if (state == uMCPInoState.ASTART)
{
#region state == ASTART
STATE = uMCPInoState.RUNNING;
IsTimeoutTimerRunning = false;
SendPacket(new uMCPInoCTRLPacket(uMCPInoPacketType.ACK, 0, 0), false);
#endregion
}
else
{
STATE = uMCPInoState.HALTED;
}
}
private void SendPacket(uMCPInoPacket packet, bool isStartTimer)
{
OnActionInfoEventHandler.Rise(this, new uMCPInoActionInfoEventArgs(string.Format("Sending: {0}", packet.ToString())));
var serializedPacket = packet.Serialize();
OnOutcomingEventHandler.Rise(this, new uMCPInoDataEventArgs(serializedPacket));
sentPacket = packet;
isTimerStartPendingOnTxFinish = isStartTimer;
txFinishedInterval = Convert.ToUInt32(1000 * (fixedTxDelayS + serializedPacket.Length * 8 / baudRateBps));
IsTxFinishedTimerRunning = true;
SELECT = (packet.PTYPE == uMCPInoPacketType.DTA);
if (packet.PTYPE == uMCPInoPacketType.ACK)
{
ACKSent++;
}
else if ((packet.PTYPE == uMCPInoPacketType.DTA) || (packet.PTYPE == uMCPInoPacketType.DTE))
{
DTADTESent++;
}
else if (packet.PTYPE == uMCPInoPacketType.REP)
{
REPSent++;
}
}
private void onSTA(uMCPInoPacket packet)
{
SELECT = true;
if ((state == uMCPInoState.ISTART) || (state == uMCPInoState.ASTART) || (state == uMCPInoState.RUNNING))
{
STATE = uMCPInoState.RUNNING;
IsTimeoutTimerRunning = false;
SendPacket(new uMCPInoCTRLPacket(uMCPInoPacketType.ACK, 0, 0), false);
}
}
private void onREP(uMCPInoPacket packet)
{
REPReceived++;
if (state == uMCPInoState.RUNNING)
{
IsTimeoutTimerRunning = false;
SACK = true;
SREP = false;
SELECT = true;
}
}
private void onDTADTE(uMCPInoPacket packet)
{
DTADTEReceived++;
if (state == uMCPInoState.RUNNING)
{
uMCPInoDATAPacket dPacket = (packet as uMCPInoDATAPacket);
if (dPacket.TCNT <= R + 1)
{
if (dPacket.TCNT == Convert.ToByte((R + 1) % MaxMessages))
{
R = Convert.ToByte((R + 1) % MaxMessages);
OnDataBlockReceivedEventHandler.Rise(this, new uMCPInoDataEventArgs(dPacket.DATA));
BytesReceived += Convert.ToUInt32(dPacket.DATA.Length);
}
SACK = true;
}
SREP = false;
IsTimeoutTimerRunning = false;
if ((dPacket.RCNT == N) || (IsByteInRangeExclusive(A, N, dPacket.RCNT)))
{
AcknowledgeSentItems(dPacket.RCNT);
}
if (dPacket.PTYPE == uMCPInoPacketType.DTA)
{
IsTimeoutTimerRunning = true;
}
SELECT = (dPacket.PTYPE == uMCPInoPacketType.DTE);
}
}