void ThreadSendNormalCommands()
{
int nIndex = 0;
int nCommandIdx = 0;
int nNumcommands = 0;
WriteToSerialPort delegateWrite = _serialManager.Write;
TransferFinishedDelegate delegateEndTx = this.EndNormalTransfer;
bool bErrorOccurred = false;
while (true)
{
nIndex = EventWaitHandle.WaitAny(_hadleNormalTransfer);
switch (nIndex)
{
case (int)ENORMAL_COMMANDS.START_SEQUENCE:
// Disable commands
Invoke(new Action(() => buttonSend.Enabled = false));
Invoke(new Action(() => buttonClear.Enabled = false));
// Initialize timer for transmission
_normalTransferAnswerTimer = new System.Timers.Timer(90000);
_normalTransferAnswerTimer.Elapsed += new ElapsedEventHandler(OnTimedNormalEvent);
_normalTransferAnswerTimer.Stop();
// Save number of commands
nNumcommands = _commandNormalTransfer.Length;
// Current index command
nCommandIdx = 0;
// Used to skip null commands
while ((nCommandIdx < nNumcommands) && (String.IsNullOrEmpty(_commandNormalTransfer[nCommandIdx]) == true))
{
++nCommandIdx;
}
if (nCommandIdx < nNumcommands)
{
// Start Timer
_normalTransferAnswerTimer.Enabled = true;
_normalTransferAnswerTimer.Start();
// Write command
this.Invoke(delegateWrite, _commandNormalTransfer[nCommandIdx]);
}
else
{
// Signal to end transfer
_hadleNormalTransfer[(int)ENORMAL_COMMANDS.END_TRANSFER].Set();
}
break;
case (int)ENORMAL_COMMANDS.RESPONSE_RECEIVED:
string message;
// Get element from queue
while (_normalTransferResponseQueue.Count > 0)
{
message = (string)_normalTransferResponseQueue.Dequeue();
// Process response
bool bProceed = true;
_normalTransferAnswerTimer.Stop();
// Command right
if (String.Equals(message, "@OK;") == true)
{
// OK answer
// Save response
_responseToNormalCommands.Add(message);
}
// Command send was wrong
else if (String.Equals(message, "@KO;") == true)
{
MessageBox.Show("Error in answer by CNC", "Warning",
MessageBoxButtons.OK, MessageBoxIcon.Warning);
bProceed = false;
bErrorOccurred = true;
}
// For others answers
else
{
// Save response
_responseToNormalCommands.Add(message);
}
if (bProceed == false)
{
// Signal to end transfer
_hadleNormalTransfer[(int)ENORMAL_COMMANDS.END_TRANSFER].Set();
}
else
{
// Increment command
++nCommandIdx;
// Used to skip null commands
while ((nCommandIdx < nNumcommands) && (String.IsNullOrEmpty(_commandNormalTransfer[nCommandIdx]) == true))
{
++nCommandIdx;
}
// Continue to transfer
if (nCommandIdx < nNumcommands)
{
// Start Timer
_normalTransferAnswerTimer.Enabled = true;
_normalTransferAnswerTimer.Start();
Thread.Sleep(20);
// Write command
this.Invoke(delegateWrite, _commandNormalTransfer[nCommandIdx]);
}
else
{
// Signal to end transfer
_hadleNormalTransfer[(int)ENORMAL_COMMANDS.END_TRANSFER].Set();
}
}
}
break;
case (int)ENORMAL_COMMANDS.TIMER_ELAPSED_EVENT:
_normalTransferAnswerTimer.Stop();
MessageBox.Show("Timer elapsed waiting for answer", "Error",
MessageBoxButtons.OK, MessageBoxIcon.Error);
bErrorOccurred = true;
// Signal to end transfer
_hadleNormalTransfer[(int)ENORMAL_COMMANDS.END_TRANSFER].Set();
break;
case (int)ENORMAL_COMMANDS.END_TRANSFER:
// Stop timer
_normalTransferAnswerTimer.Stop();
_normalTransferAnswerTimer.Enabled = false;
_normalTransferAnswerTimer.Dispose();
this.Invoke(delegateEndTx, !bErrorOccurred);
bErrorOccurred = false;
break;
default:
// abort thread
break;
}
}
}
private void Thread_SendBatchCommands()
{
int nIndex = 0;
int nCommandIdx = 0;
int nNumcommands = 0;
WriteToSerialPort delegateWrite = _serialManager.Write;
TransferFinishedDelegate delegateEndBatch = this.BatchEnd;
BatchUpdateCommandsTxDelegate delegateUpdateCommandTx = this.SetCommandsTransferred;
int[] Commands = new int[] { nCommandIdx, nNumcommands };
while (true)
{
nIndex = EventWaitHandle.WaitAny(_hadleBatch);
switch (nIndex)
{
case (int)EBATCH_EVENT.START_EVENT:
// Disable commands
buttonSend.Enabled = false;
buttonClear.Enabled = false;
// Initialize timer for transmission
_batchAnswerTimer = new System.Timers.Timer(200000);
_batchAnswerTimer.Elapsed += new ElapsedEventHandler(OnTimedEvent);
_batchAnswerTimer.Interval = 200000;
// Prevent garbage collector to remove timer in a long time preocess
GC.KeepAlive(_batchAnswerTimer);
_batchAnswerTimer.Stop();
// Save number of commands
nNumcommands = _commandBatch.Length;
// Current index command
nCommandIdx = 0;
// Used to skip null commands
while ((nCommandIdx < nNumcommands) && (String.IsNullOrEmpty(_commandBatch[nCommandIdx]) == true))
{
++nCommandIdx;
}
if (nCommandIdx < nNumcommands)
{
// Start Timer
_batchAnswerTimer.Enabled = true;
_batchAnswerTimer.Start();
// Write command
this.Invoke(delegateWrite, _commandBatch[nCommandIdx]);
}
else
{
// Signal to end transfer
_hadleBatch[(int)EBATCH_EVENT.END_TRANSFER].Set();
}
break;
case (int)EBATCH_EVENT.PROCEED_NEXT_COMMAND:
// Increment command
++nCommandIdx;
// Used to skip null commands
while ((nCommandIdx < nNumcommands) && (String.IsNullOrEmpty(_commandBatch[nCommandIdx]) == true))
{
++nCommandIdx;
}
if (nCommandIdx < nNumcommands)
{
Thread.Sleep(30);
// Start Timer
_batchAnswerTimer.Enabled = true;
_batchAnswerTimer.Start();
// Write command
this.Invoke(delegateWrite, _commandBatch[nCommandIdx]);
}
else
{
// Signal to end transfer
_hadleBatch[(int)EBATCH_EVENT.END_TRANSFER].Set();
}
break;
case (int)EBATCH_EVENT.RESPONSE_RECEIVED_EVENT:
string message;
// Get element from queue
while (_batchResponseQueue.Count > 0)
{
message = (string)_batchResponseQueue.Dequeue();
// Process response
// Command right
if (String.Equals(message, "@OK;") == true)
{
// OK answer
Commands[0] = nCommandIdx + 1;
Commands[1] = nNumcommands;
this.Invoke(delegateUpdateCommandTx, Commands);
}
// Current point ended to process
else if (String.Equals(message, "@NEXT;") == true)
{
// Proceed with next command
_hadleBatch[(int)EBATCH_EVENT.PROCEED_NEXT_COMMAND].Set();
}
// Command send was wrong
else if (String.Equals(message, "@KO;") == true)
{
MessageBox.Show("Error in answer by CNC", "Warning",
MessageBoxButtons.OK, MessageBoxIcon.Warning);
// Signal to end transfer
_hadleBatch[(int)EBATCH_EVENT.END_TRANSFER].Set();
}
// For others answers
else
{
MessageBox.Show("Error in answer by CNC", "Warning",
MessageBoxButtons.OK, MessageBoxIcon.Warning);
// Signal to end transfer
_hadleBatch[(int)EBATCH_EVENT.END_TRANSFER].Set();
}
}
break;
case (int)EBATCH_EVENT.TIMER_ELAPSED_EVENT:
MessageBox.Show("Timer elapsed waiting for answer", "Error",
MessageBoxButtons.OK, MessageBoxIcon.Error);
// Signal to end transfer
_hadleBatch[(int)EBATCH_EVENT.END_TRANSFER].Set();
break;
case (int)EBATCH_EVENT.END_TRANSFER:
// Stop timer
_batchAnswerTimer.Stop();
_batchAnswerTimer.Enabled = false;
_batchAnswerTimer.Dispose();
this.Invoke(delegateEndBatch, true);
break;
default:
// abort thread
break;
}
}
}