private void m_adapter_OnProfinetArrival(ConnectionInfoEthernet sender, Stream stream)
{
RT.FrameIds frame_id;
//Real Time
RT.DecodeFrameId(stream, out frame_id);
if (frame_id == RT.FrameIds.DCP_Identify_ResPDU || frame_id == RT.FrameIds.DCP_Identify_ReqPDU || frame_id == RT.FrameIds.DCP_Get_Set_PDU || frame_id == RT.FrameIds.DCP_Hello_ReqPDU)
{
DCP.ServiceIds service_id;
uint xid;
ushort response_delay_factor;
ushort dcp_data_length;
DCP.DecodeHeader(stream, out service_id, out xid, out response_delay_factor, out dcp_data_length);
Dictionary <DCP.BlockOptions, object> blocks;
DCP.DecodeAllBlocks(stream, dcp_data_length, out blocks);
if (OnDcpMessage != null)
{
OnDcpMessage(sender, service_id, xid, response_delay_factor, blocks);
}
}
else if (frame_id == RT.FrameIds.PTCP_DelayReqPDU)
{
//ignore this for now
}
else if (frame_id >= RT.FrameIds.RTC_Start && frame_id <= RT.FrameIds.RTC_End)
{
long data_pos = stream.Position;
stream.Position = stream.Length - 4;
UInt16 CycleCounter;
RT.DataStatus DataStatus;
RT.TransferStatus TransferStatus;
RT.DecodeRTCStatus(stream, out CycleCounter, out DataStatus, out TransferStatus);
stream.Position = data_pos;
if (OnCyclicMessage != null)
{
OnCyclicMessage(sender, CycleCounter, DataStatus, TransferStatus, stream, (int)(stream.Length - data_pos - 4));
}
}
else if (frame_id == RT.FrameIds.Alarm_Low || frame_id == RT.FrameIds.Alarm_High)
{
UInt16 AlarmDestinationEndpoint;
UInt16 AlarmSourceEndpoint;
RT.PDUTypes PDUType;
RT.AddFlags AddFlags;
UInt16 SendSeqNum;
UInt16 AckSeqNum;
UInt16 VarPartLen;
RT.DecodeRTAHeader(stream, out AlarmDestinationEndpoint, out AlarmSourceEndpoint, out PDUType, out AddFlags, out SendSeqNum, out AckSeqNum, out VarPartLen);
if (OnAcyclicMessage != null)
{
OnAcyclicMessage(sender, AlarmDestinationEndpoint, AlarmSourceEndpoint, PDUType, AddFlags, SendSeqNum, AckSeqNum, VarPartLen, stream);
}
}
else
{
Trace.TraceWarning("Unclassified RT message");
}
}
private void conn_OnDcpMessage(ConnectionInfoEthernet sender, DCP.ServiceIds service_id, uint xid, ushort response_delay_factor, Dictionary <DCP.BlockOptions, object> blocks)
{
if (xid == m_xid)
{
Result = blocks;
IsCompleted = true;
m_wait.Set();
}
}
