public IDataItem createByForm(IConnection aConnection, IWin32Window aOwner)
{
Connection lConnection = (Connection)aConnection;
DataItem lItem = new DataItem();
using (var lSetupForm = new ItemSetupForm(lConnection, lItem))
{
if (lSetupForm.ShowDialog(aOwner) == DialogResult.OK)
{
lItem.mMemoryType = lSetupForm.MemoryType;
lItem.DB = lSetupForm.DB;
lItem.Byte = lSetupForm.Byte;
lItem.Bit = lSetupForm.Bit;
lItem.DataType = lSetupForm.DataType;
lItem.FloatingP = lSetupForm.FloatingP;
lItem.Signed = lSetupForm.Signed;
lItem.Length = lSetupForm.Length;
lConnection.addItem(lItem);
}
else
{
lItem = null;
}
}
return lItem;
}
public ItemSetupForm(Connection aConnectionS7PLCSim, DataItem aItemS7PLCSim)
{
mConnectionS7PLCSim = aConnectionS7PLCSim;
InitializeComponent();
MemoryType = aItemS7PLCSim.mMemoryType;
DataType = aItemS7PLCSim.DataType;
DB = aItemS7PLCSim.DB;
Bit = aItemS7PLCSim.Bit;
Byte = aItemS7PLCSim.Byte;
Signed = aItemS7PLCSim.Signed;
FloatingP = aItemS7PLCSim.FloatingP;
Length = aItemS7PLCSim.Length;
mConnectionS7PLCSim.ConnectionState += new EventHandler(onChange);
updateForm();
}
public IDataItem createFromXML(IConnection aConnection, XmlTextReader aXMLTextReader)
{
Connection lConnection = (Connection)aConnection;
DataItem lItem = new DataItem();
XMLAttributeReader lReader = new XMLAttributeReader(aXMLTextReader);
lItem.mMemoryType = (EPLCMemoryType)Enum.Parse(typeof(EPLCMemoryType), lReader.getAttribute<String>("MemoryType"));
if (lItem.mMemoryType == EPLCMemoryType.DB)
{
lItem.DB = (int)lReader.getAttribute<UInt32>("DB");
}
lItem.DataType = (PointDataTypeConstants)Enum.Parse(typeof(PointDataTypeConstants), lReader.getAttribute<String>("DataType"));
lItem.Byte = (int)lReader.getAttribute<UInt32>("Byte");
if (lItem.DataType == PointDataTypeConstants.S7_Bit)
{
lItem.Bit = (int)lReader.getAttribute<UInt32>("Bit");
}
else if (lItem.DataType == PointDataTypeConstants.S7_Byte || lItem.DataType == PointDataTypeConstants.S7_Word)
{
lItem.Signed = lReader.getAttribute<Boolean>("Signed", lItem.Signed);
}
else if (lItem.DataType == PointDataTypeConstants.S7_DoubleWord)
{
lItem.FloatingP = lReader.getAttribute<Boolean>("FloatingPoint", lItem.FloatingP);
if (lItem.FloatingP == false)
{
lItem.Signed = lReader.getAttribute<Boolean>("Signed", lItem.Signed);
}
}
if ((lItem.mMemoryType == EPLCMemoryType.I || lItem.mMemoryType == EPLCMemoryType.Q) && lItem.DataType != PointDataTypeConstants.S7_Bit)
{
lItem.Length = (int)lReader.getAttribute<UInt32>("Length", 1);
}
lConnection.addItem(lItem);
return lItem;
}
private void MainCycle(object aSender, ElapsedEventArgs aEventArgs)
{
long lStartMS = MiscUtils.TimerMS;
if (mDisconnect == false)
{
try
{
mS7ProSim.GetState();
if (mItemList.Count != 0)
{
#region Item List Changed
if (mItemListChanged)
{
mItemRWList.Clear();
mItemListLock.EnterReadLock();
//========================================
try
{
mItemRWList.AddRange(mItemList);
mItemListChanged = false;
}
finally
{
//========================================
mItemListLock.ExitReadLock();
}
mQLength = 0;
mQOptimise = true;
}
else if (mQOptimise)
{
mQOptimise = false;
optimise();
}
#endregion
if (mQLength > 0)
{
Task lQ = new Task(MC_Q_Read);
lQ.Start();
Task lIMDB = new Task(MC_IMDB_WriteRead);
lIMDB.Start();
Task.WaitAll(lQ, lIMDB);
}
else
{
int lCount = mItemRWList.Count;
for (int i = 0; i < lCount; i++)
{
mCurrentItem = mItemRWList[i];
if (mDisconnect) { break; }
#region Write
if (mCurrentItem.mNeedWrite)
{
mWriteRequests = mWriteRequests + 1;
mCurrentItem.write(mS7ProSim);
}
#endregion
if (mDisconnect) { break; }
#region Read
if (mCurrentItem.mNeedWrite != true)
{
mCurrentItem.read(mS7ProSim);
}
#endregion
if (mDisconnect) { break; }
mSlowCounter = mSlowCounter + mDeltaSlow;
if (mSlowCounter >= 1.0D)
{
mSlowCounter = mSlowCounter - 1.0D;
Thread.Sleep(MiscUtils.TimeSlice);
}
}
mCurrentItem = null;
}
}
}
catch (Exception lExc)
{
mDisconnect = true;
raiseConnectionError(lExc.Message);
}
}
mMainCycleTimeMS = MiscUtils.TimerMS - lStartMS;
if (mDisconnect)
{
mS7ProSim.EndScanNotify();
mS7ProSim.Disconnect();
mConnected = false;
raiseConnectionState();
mCycleEndEvent.Set();
mDisconnectEvent.Set();
}
else
{
mMainCycleTimer.Start();
mCycleEndEvent.Set();
}
}
private void MC_IMDB_WriteRead()
{
int lCount = mItemRWList.Count;
for (int i = 0; i < lCount; i++)
{
mCurrentItem = mItemRWList[i];
if (mDisconnect) { break; }
if (mCurrentItem.mMemoryType != EPLCMemoryType.Q)
{
try
{
#region Write
if (mCurrentItem.mNeedWrite)
{
mWriteRequests = mWriteRequests + 1;
mCurrentItem.write(mS7ProSim);
}
#endregion
if (mDisconnect) { break; }
#region Read
if (mCurrentItem.mNeedWrite != true)
{
mCurrentItem.read(mS7ProSim);
}
#endregion
if (mDisconnect) { break; }
mSlowCounter = mSlowCounter + mDeltaSlow;
if (mSlowCounter >= 1.0D)
{
mSlowCounter = mSlowCounter - 1.0D;
Thread.Sleep(MiscUtils.TimeSlice);
}
}
catch (Exception lExc)
{
mDisconnect = true;
raiseConnectionError(lExc.Message);
}
}
mCurrentItem = null;
}
}
protected virtual void Dispose(bool aDisposing)
{
if (!mDisposed)
{
if (aDisposing)
{
mS7ProSim.ConnectionError -= onConnectionError;
mItemList.Clear();
mItemRWList.Clear();
mCurrentItem = null;
if (mItemListLock != null)
{
mItemListLock.Dispose();
mItemListLock = null;
}
if (mMainCycleTimer != null)
{
mMainCycleTimer.Dispose();
mMainCycleTimer = null;
}
if (mDisconnectEvent != null)
{
mDisconnectEvent.Dispose();
mDisconnectEvent = null;
}
if (mCycleEndEvent != null)
{
mCycleEndEvent.Dispose();
mCycleEndEvent = null;
}
}
mDisposed = true;
}
}
public void removeItem(DataItem aItem)
{
ConnectionState -= aItem.onConnectionStateChanged;
mItemListLock.EnterWriteLock();
//========================================
try
{
mItemList.Remove(aItem);
mItemListChanged = true;
}
finally
{
//========================================
mItemListLock.ExitWriteLock();
}
}
public void addItem(DataItem aItem)
{
aItem.mConnection = this;
ConnectionState += new EventHandler(aItem.onConnectionStateChanged);
aItem.initAccess();
mItemListLock.EnterWriteLock();
//========================================
try
{
mItemList.Add(aItem);
mItemListChanged = true;
}
finally
{
//========================================
mItemListLock.ExitWriteLock();
}
}
private void MC_IMDB_WriteRead()
{
int lCount = mItemRWList.Count;
for (int i = 0; i < lCount; i++)
{
mCurrentItem = mItemRWList[i];
if (mDisconnect)
{
break;
}
if (mCurrentItem.mMemoryType != EPLCMemoryType.Q)
{
try
{
#region Write
if (mCurrentItem.mNeedWrite)
{
mWriteRequests = mWriteRequests + 1;
mCurrentItem.write(mS7ProSim);
}
#endregion
if (mDisconnect)
{
break;
}
#region Read
if (mCurrentItem.mNeedWrite != true)
{
mCurrentItem.read(mS7ProSim);
}
#endregion
if (mDisconnect)
{
break;
}
mSlowCounter = mSlowCounter + mDeltaSlow;
if (mSlowCounter >= 1.0D)
{
mSlowCounter = mSlowCounter - 1.0D;
Thread.Sleep(MiscUtils.TimeSlice);
}
}
catch (Exception lExc)
{
mDisconnect = true;
raiseConnectionError(lExc.Message);
}
}
mCurrentItem = null;
}
}
private void MainCycle(object aSender, ElapsedEventArgs aEventArgs)
{
long lStartMS = MiscUtils.TimerMS;
if (mDisconnect == false)
{
try
{
mS7ProSim.GetState();
if (mItemList.Count != 0)
{
#region Item List Changed
if (mItemListChanged)
{
mItemRWList.Clear();
mItemListLock.EnterReadLock();
//========================================
try
{
mItemRWList.AddRange(mItemList);
mItemListChanged = false;
}
finally
{
//========================================
mItemListLock.ExitReadLock();
}
mQLength = 0;
mQOptimise = true;
}
else if (mQOptimise)
{
mQOptimise = false;
optimise();
}
#endregion
if (mQLength > 0)
{
Task lQ = new Task(MC_Q_Read);
lQ.Start();
Task lIMDB = new Task(MC_IMDB_WriteRead);
lIMDB.Start();
Task.WaitAll(lQ, lIMDB);
}
else
{
int lCount = mItemRWList.Count;
for (int i = 0; i < lCount; i++)
{
mCurrentItem = mItemRWList[i];
if (mDisconnect)
{
break;
}
#region Write
if (mCurrentItem.mNeedWrite)
{
mWriteRequests = mWriteRequests + 1;
mCurrentItem.write(mS7ProSim);
}
#endregion
if (mDisconnect)
{
break;
}
#region Read
if (mCurrentItem.mNeedWrite != true)
{
mCurrentItem.read(mS7ProSim);
}
#endregion
if (mDisconnect)
{
break;
}
mSlowCounter = mSlowCounter + mDeltaSlow;
if (mSlowCounter >= 1.0D)
{
mSlowCounter = mSlowCounter - 1.0D;
Thread.Sleep(MiscUtils.TimeSlice);
}
}
mCurrentItem = null;
}
}
}
catch (Exception lExc)
{
mDisconnect = true;
raiseConnectionError(lExc.Message);
}
}
mMainCycleTimeMS = MiscUtils.TimerMS - lStartMS;
if (mDisconnect)
{
mS7ProSim.EndScanNotify();
mS7ProSim.Disconnect();
mConnected = false;
raiseConnectionState();
mCycleEndEvent.Set();
mDisconnectEvent.Set();
}
else
{
mMainCycleTimer.Start();
mCycleEndEvent.Set();
}
}
