public CommPacketHeader Deserialize(byte[] buffer)
{
//byte swap network to host
//this will only work with ushort data fields, 2 bytes
for (int i = 0; i < buffer.Length; i += 2)
{
byte byte1 = buffer[i];
byte byte2 = buffer[i + 1];
buffer[i] = byte2;
buffer[i + 1] = byte1;
}
GCHandle handle = GCHandle.Alloc(buffer, GCHandleType.Pinned);
CommPacketHeader header = (CommPacketHeader)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(CommPacketHeader));
handle.Free();
return(header);
}
public static string Dump(CommPacketHeader hdrDPK, bool /*labelled?*/ isLbl = false)
{
// There's supposed to be a way to do this via Reflection ... oh well..
string /*text (returned)*/ txt = (isLbl? "CommPacketHeader" : string.Empty) + "{";
txt += (isLbl? "SyncID " : string.Empty) + hdrDPK.SyncID.ToString();
txt += "," + (isLbl ? "MessageID " : string.Empty) + hdrDPK.MessageID.ToString();
txt += "..." + (isLbl ? "ConfigurationMode " : string.Empty) + hdrDPK.ConfigurationMode.ToString();
txt += "," + (isLbl ? "DeviceState " : string.Empty) + hdrDPK.DeviceState.ToString();
txt += "," + (isLbl ? "XRayDataState " : string.Empty) + hdrDPK.XRayDataState.ToString();
txt += "," + (isLbl ? "DataTransferMode " : string.Empty) + hdrDPK.DataTransferMode.ToString();
txt += "," + (isLbl ? "NVMWriteStatus " : string.Empty) + hdrDPK.NVMWriteStatus.ToString();
txt += "," + (isLbl ? "PulseCount " : string.Empty) + hdrDPK.PulseCount.ToString();
txt += "..." + (isLbl ? "NcbId " : string.Empty) + hdrDPK.NcbId.ToString();
txt += "," + (isLbl ? "PulsePeriod " : string.Empty) + hdrDPK.PulsePeriod.ToString();
txt += "," + (isLbl ? "NumOfChannels " : string.Empty) + hdrDPK.NumOfChannels.ToString();
txt += "..." + (isLbl ? "NumOfReferenceDetectors " : string.Empty) + hdrDPK.NumOfReferenceDetectors.ToString();
txt += "..." + (isLbl ? "PulseDelayPeriod " : string.Empty) + hdrDPK.PulseDelayPeriod.ToString();
txt += "," + (isLbl ? "SignOfLifeInterval " : string.Empty) + hdrDPK.SignOfLifeInterval.ToString();
txt += "...";
txt += "}";
return(txt);
}
public static string Dump(CommPacketHeader hdrDPK, bool /*labelled?*/ isLbl = false)
{
// There's supposed to be a way to do this via Reflection ... oh well..
string /*text (returned)*/ txt = (isLbl? "CommPacketHeader" : string.Empty) + "{";
txt += (isLbl? "SyncID " : string.Empty) + hdrDPK.SyncID.ToString();
txt += "," + (isLbl ? "MessageID " : string.Empty) + hdrDPK.MessageID.ToString();
txt += "..." + (isLbl ? "ConfigurationMode " : string.Empty) + hdrDPK.ConfigurationMode.ToString();
txt += "," + (isLbl ? "DeviceState " : string.Empty) + hdrDPK.DeviceState.ToString();
txt += "," + (isLbl ? "XRayDataState " : string.Empty) + hdrDPK.XRayDataState.ToString();
txt += "," + (isLbl ? "DataTransferMode " : string.Empty) + hdrDPK.DataTransferMode.ToString();
txt += "," + (isLbl ? "NVMWriteStatus " : string.Empty) + hdrDPK.NVMWriteStatus.ToString();
txt += "," + (isLbl ? "PulseCount " : string.Empty) + hdrDPK.PulseCount.ToString();
txt += "..." + (isLbl ? "NcbId " : string.Empty) + hdrDPK.NcbId.ToString();
txt += "," + (isLbl ? "PulsePeriod " : string.Empty) + hdrDPK.PulsePeriod.ToString();
txt += "," + (isLbl ? "NumOfChannels " : string.Empty) + hdrDPK.NumOfChannels.ToString();
txt += "..." + (isLbl ? "NumOfReferenceDetectors " : string.Empty) + hdrDPK.NumOfReferenceDetectors.ToString();
txt += "..." + (isLbl ? "PulseDelayPeriod " : string.Empty) + hdrDPK.PulseDelayPeriod.ToString();
txt += "," + (isLbl ? "SignOfLifeInterval " : string.Empty) + hdrDPK.SignOfLifeInterval.ToString();
txt += "...";
txt += "}";
return txt;
}
public xrayDataState GetXRayDataState(int ncbIndex = 0)
{
string traceText = MethodBase.GetCurrentMethod().Name + "(" + ncbIndex.ToString() + ")";
xrayDataState returnedXrayState = xrayDataState.Ready;
try
{
CommPacketHeader command = new CommPacketHeader();
command.MessageID = messageType.CX_XRAY_DATA_STATE_QUERY;
CommPacketHeader? reply = CommandSend(command, messageType.CX_XRAY_DATA_STATE_ACK, ncbIndex);
if (/*no response?*/ reply == null)
throw new Exception(traceText + ": no/null response");
returnedXrayState = reply.Value.XRayDataState;
}
catch { throw; }
traceText += " returns " + returnedXrayState.ToString(); //if tracing ever done
return returnedXrayState;
}
public deviceState GetDeviceState(out ushort sensorCount, out ushort referenceCount, int ncbIndex = 0)
{
referenceCount = sensorCount = 0;
deviceState returnedDeviceState = deviceState.Configuration;
CommPacketHeader command = new CommPacketHeader();
command.MessageID = messageType.CX_DEVICE_STATE_QUERY;
CommPacketHeader? reply = CommandSend(command, messageType.CX_DEVICE_STATE_ACK, ncbIndex);
if (/*no response?*/ reply == null)
throw new Exception("no/null response");
returnedDeviceState = reply.Value.DeviceState;
referenceCount = reply.Value.NumOfReferenceDetectors;
sensorCount = reply.Value.NumOfChannels;
return returnedDeviceState;
}
public int GetIdentification(int ncbIndex = 0)
{
int returnedIdentity = 0;
CommPacketHeader command = new CommPacketHeader();
command.MessageID = messageType.CX_IDENTFY_QUERY;
CommPacketHeader? reply = CommandSend(command, messageType.CX_IDENTFY_ACK, ncbIndex);
if (/*no response?*/ reply == null)
throw new Exception("no/null response");
returnedIdentity = reply.Value.NcbId;
return returnedIdentity;
}
private CommPacketHeader? CommandSend(CommPacketHeader command, messageType expectedResponse, int ncbIndex = 0)
{
CommPacketHeader? reply = null;
try
{
if (/*run?*/ !_commandMonitorEnd.WaitOne(_commandMargin.Remaining))
lock (_commandSendLock)
if (/*run?*/ !_commandMonitorEnd.WaitOne(0))
{
Debug.Assert((ncbIndex >= 0) && (ncbIndex < NCBCount));
if (/*not connected?*/ CommandStream(ncbIndex) == null)
throw new Exception("not connected to " + NCBName(ncbIndex));
command.SyncID = 0xA55A55AA;
byte[] buffer = command.Serialize();
CommandStream(ncbIndex).WriteTimeout = TimeTENTH;
Debug.Assert(CommandStream(ncbIndex).CanWrite);
CommandStream(ncbIndex).Write(buffer, 0, buffer.Length);
CommandStream(ncbIndex).Flush();
_commandMargin.Reset();
buffer = new byte[Marshal.SizeOf(typeof(CommPacketHeader))];
for (int retry = 0; /*OK?*/ (retry < CommandSendReads); reply = null, retry++)
if (/*run?*/ !_commandMonitorEnd.WaitOne(retry * TimeTENTH))
{
// Read blocks/waits up through
// TcpClient.GetStream().ReadTimeout; if the
// client is disposed, the read faults.
CommandStream(ncbIndex).ReadTimeout = TimeTENTH;
Debug.Assert(CommandStream(ncbIndex).CanRead);
if (/*read OK?*/ CommandStream(ncbIndex).Read(buffer, 0, buffer.Length) >= 1)
{
reply = command.Deserialize(buffer);
if (/*OK?*/ reply != null)
if (/*OK?*/ reply.HasValue)
if (reply.Value.MessageID == expectedResponse)
break;
else if (reply.Value.MessageID == messageType.CX_SIGNOFLIFE_NORMAL)
retry--; /*don't count sign of life responses as tries*/
}
}
}
}
catch (Exception ex)
{
CommandConnectionDispose();
reply = null;
throw ex;
}
return reply;
}
public void GetConfigParameters(out ushort pulseDelay, out ushort signOfLife)
{
pulseDelay = (ushort)PulseDelay;
Debug.Assert(pulseDelay <= ushort.MaxValue);
signOfLife = (ushort)SignOfLife;
Debug.Assert((signOfLife >= 1) && (signOfLife <= ushort.MaxValue));
string traceText = MethodBase.GetCurrentMethod().Name + "(" + pulseDelay.ToString() + " * 20ns, " + signOfLife.ToString() + "cs)";
try
{
CommPacketHeader command = new CommPacketHeader();
command.MessageID = messageType.CX_CONFIG_PARAMETERS_QUERY;
CommPacketHeader? reply = CommandSend(command, messageType.CX_CONFIG_PARAMETERS_ACK);
if (/*no response?*/ reply == null)
throw new Exception(traceText + ": no/null response");
pulseDelay = reply.Value.PulseDelayPeriod;
signOfLife = reply.Value.SignOfLifeInterval;
}
catch { throw; }
}
public void SetDataTransferMode(dataTransferMode mode)
{
string traceText = MethodBase.GetCurrentMethod().Name + "(" +
mode.ToString() + ")";
for (int /*NCB index*/ ncb = 0; ncb < NCBCount; ncb++)
{
try
{
CommPacketHeader command = new CommPacketHeader();
command.MessageID = messageType.CX_XRAY_DATA_STATE_NORMAL_WITH_ACK;
command.DataTransferMode = mode;
CommPacketHeader? reply =
CommandSend(command, messageType.CX_XRAY_DATA_STATE_ACK, ncb);
if (/*no response?*/ reply == null)
throw new Exception(traceText + " " + NCBName(ncb) + ": no/null response");
if (reply.Value.DataTransferMode != mode)
throw new Exception(traceText + " " + NCBName(ncb) + ": unexpected response (" +
reply.Value.DataTransferMode.ToString() + ")");
}
catch { throw; }
}
}
public void SetConfigParameterToNVM()
{
for (int /*NCB index*/ ix = 0; ix < NCBCount; ix++)
{
try
{
CommPacketHeader command = new CommPacketHeader();
command.MessageID = messageType.CX_CONFIG_PARAMETERS_WRITE_NORMAL_WITH_ACK;
CommPacketHeader? reply = CommandSend(command, messageType.CX_CONFIG_PARAMETERS_WRITE_ACK);
if (/*no response?*/ reply == null)
throw new Exception("no/null response");
if ((nvmWriteStatus)reply.Value.NVMWriteStatus != nvmWriteStatus.Success)
throw new Exception("failed- response.NVMWriteStatus is " + ((nvmWriteStatus)reply.Value.NVMWriteStatus).ToString());
}
catch { throw; }
}
}
private void SetConfigurationParameters(ushort pulseDelay, ushort signOfLife, int ncbIndex)
{
string traceText = MethodBase.GetCurrentMethod().Name + "(" +
pulseDelay.ToString() + ", " + signOfLife.ToString() + ", " + ncbIndex.ToString() +
")";
Debug.Assert(pulseDelay <= ushort.MaxValue);
Debug.Assert(signOfLife <= ushort.MaxValue);
Debug.Assert((ncbIndex >= 0) && (ncbIndex < NCBCount));
try
{
CommPacketHeader command = new CommPacketHeader();
command.PulseDelayPeriod = pulseDelay;
command.SignOfLifeInterval = signOfLife;
command.MessageID = messageType.CX_CONFIG_PARAMETERS_NORMAL_WITH_ACK;
command.ReservedB6toB7 = 0x0000;
command.ReservedB8toB9 = 0x0000;
command.ReservedB10toB11 = 0x0000;
command.ReservedB12toB13 = 0x0000;
command.ReservedB18toB19 = 0x0000;
command.ReservedB20toB31 = new byte[12];
CommPacketHeader? reply =
CommandSend(command, messageType.CX_CONFIG_PARAMETERS_ACK, ncbIndex);
if (/*no response?*/ reply == null)
throw new Exception(traceText + ": no/null response");
if (reply.Value.PulseDelayPeriod != pulseDelay)
throw new Exception(traceText + ": unexpected pulse delay response of " +
reply.Value.PulseDelayPeriod.ToString());
if (reply.Value.SignOfLifeInterval != signOfLife)
throw new Exception(traceText + ": unexpected sign of life response of " +
reply.Value.SignOfLifeInterval.ToString());
}
catch { throw; }
}
private void SetConfigurationMode(configurationMode mode, int ncbIndex)
{
Debug.Assert(Enum.IsDefined(typeof(configurationMode), mode));
Debug.Assert((ncbIndex >= 0) && (ncbIndex < NCBCount));
string traceText = MethodBase.GetCurrentMethod().Name + "(" +
mode.ToString() + ", " + ncbIndex.ToString() + ")";
try
{
CommPacketHeader command = new CommPacketHeader();
command.MessageID = messageType.CX_DEVICE_CONFIG_NORMAL_WITH_ACK;
command.ConfigurationMode = mode;
CommPacketHeader? reply =
CommandSend(command, messageType.CX_DEVICE_CONFIG_ACK, ncbIndex);
if (/*no response?*/ reply == null)
throw new Exception(traceText + ": no/null response");
if (reply.Value.ConfigurationMode != mode)
throw new Exception(traceText + ": unexpected response (" +
reply.Value.ConfigurationMode.ToString() + ")");
}
catch { throw; }
}
public void ResetLineCount()
{
string traceText = MethodBase.GetCurrentMethod().Name;
if (/*multi NCB?*/ NCBCount >= 2)
{
Exception /*exception*/ exc = null;
for (int ix = 0;
/*run?*/ !_dataGatherEnd.WaitOne(0) && (ix < NCBCount);
ix++)
{
try
{
CommPacketHeader command = new CommPacketHeader();
command.MessageID = messageType.CX_RESET_LINE_COUNT_WITH_ACK;
CommPacketHeader? reply =
CommandSend(command, messageType.CX_RESET_LINE_COUNT_ACK, ix);
if (/*no response?*/ reply == null)
throw new Exception(traceText + ": no/null response");
}
catch (Exception ex)
{
if (/*first anomaly?*/ exc == null)
exc = ex;
}
}
if (/*anomaly?*/ exc != null)
throw exc;
Logger.LogInfo(traceText + ": all NCBs' line identities reset");
}
}
