public CAN_TX_MSG(CAN_TX_MSG obj)
{
this.lArbId = obj.lArbId;
this.iNumBytes = obj.iNumBytes;
for (int i = 0; i < 8; i++)
{
bData[i] = obj.bData[i];
}
}
public static void Add_TX_Msg(CAN_TX_MSG objTxMsg)
{
mutex.WaitOne();
if (qTxMsg.Count == 0)
{
qTxMsg.Enqueue(objTxMsg);
}
mutex.ReleaseMutex();
}
public static void AddBroadCastMsg(Int32 iArbId, byte iNumByte, byte[] bData)
{
CAN_TX_MSG txMsg = new CAN_TX_MSG(iArbId, iNumByte, bData);
CAN_Connection.Add_TX_Msg(txMsg);
}
public async Task GetMessageFromCAN()
{
long lResult = 0;
icsSpyMessage stMessagesTx = new icsSpyMessage();
long lNetworkID;
int uiTimeout = 0;
// Has the uset open neoVI yet?;
if (m_bPortOpen == false)
{
MessageBox.Show("ValueCAN not connected");
return; // do not read messages if we haven't opened neoVI yet
}
// Read the Network we will transmit on (indicated by lstNetwork ListBox)
lNetworkID = (int)eNETWORK_ID.NETID_HSCAN;
stMessagesTx.StatusBitField = 0;
tCANWait.Start();
timeDelay.Start();
while (StartDAQ)
{
mutex.WaitOne(250);
var txMsgCount = qTxMsg.Count;
CAN_TX_MSG txMsg = null;
Console.WriteLine("TX Msg count = {0}", txMsgCount);
if (txMsgCount > 0)
{
txMsg = qTxMsg.Dequeue();
}
mutex.ReleaseMutex();
if ((txMsgCount > 0) && (txMsg != null))
{
stMessagesTx.ArbIDOrHeader = txMsg.lArbId; // The ArbID
stMessagesTx.NumberBytesData = txMsg.iNumBytes; // The number of Data Bytes
stMessagesTx.Data1 = txMsg.bData[0];
stMessagesTx.Data2 = txMsg.bData[1];
stMessagesTx.Data3 = txMsg.bData[2];
stMessagesTx.Data4 = txMsg.bData[3];
stMessagesTx.Data5 = txMsg.bData[4];
stMessagesTx.Data6 = txMsg.bData[5];
stMessagesTx.Data7 = txMsg.bData[6];
stMessagesTx.Data8 = txMsg.bData[7];
Console.WriteLine("Sending TX MSG: ARB ID = " + icsNeoDll.ConvertToHex(Convert.ToString(txMsg.lArbId)) + " Data : " + BitConverter.ToString(txMsg.bData));
// Transmit the assembled message
lResult = icsNeoDll.icsneoTxMessages(m_hObject, ref stMessagesTx, (int)lNetworkID, 1);
if (lResult != 1)
{
Console.WriteLine("!!!!!!!!!!!!!!!!!!!!!! Problem Transmitting Message");
await Task.Delay(2000);
continue;
}
timeDelay.Restart();
}
else
{
Console.WriteLine("No TX MSG in Queue");
}
if (lResult == 1 && iNumberOfMessages > 0)
{
// send the collected raw data bytes for processing
//ProcessReceivedMsg(Encoding.ASCII.GetBytes(sMsgData));
//Console.WriteLine("Num of Msg = {0}", iNumberOfMessages);
ProcessReceivedMsg(iNumberOfMessages, ToByteArray(stMessages));
Array.Clear(stMessages, 0, stMessages.Length);
iNumberOfMessages = -1;
lResult = 0;
}
uiTimeout = 0;
iElapsed = Convert.ToInt32(timeDelay.Elapsed.TotalMilliseconds);
if (iElapsed < Constants.RX_Timeout)
{
uiTimeout = Constants.RX_Timeout - iElapsed;
}
else if (iElapsed < Constants.DAQ_Interval)
{
uiTimeout = Constants.DAQ_Interval - iElapsed;
}
tCANWait.Restart();
//Console.WriteLine("Ui Timeout before if {0}", uiTimeout);
if (uiTimeout > 0)
{
//Console.WriteLine("UI Timeout = {0}", uiTimeout);
if (icsNeoDll.icsneoWaitForRxMessagesWithTimeOut(m_hObject, Convert.ToUInt32(uiTimeout)) == 1)
{
// Message reveived success
if (tCANWait.Elapsed.TotalMilliseconds < uiTimeout)
{
//Console.WriteLine("########### Waiting for Timeout");
await Task.Delay((uiTimeout - Convert.ToInt32(tCANWait.Elapsed.TotalMilliseconds)));
}
Console.WriteLine("####### Message Received:: Time taken : {0} ########", timeDelay.Elapsed.TotalMilliseconds);
}
lResult = icsNeoDll.icsneoGetMessages(m_hObject, ref stMessages[0], ref iNumberOfMessages, ref iNumberOfErrors);
}
iElapsed = Convert.ToInt32(timeDelay.Elapsed.TotalMilliseconds);
if (iElapsed < Constants.DAQ_Interval)
{
//Console.WriteLine("Task Delay time = {0}", (Constants.DAQ_Interval - iElapsed));
await Task.Delay((Constants.DAQ_Interval - iElapsed));
}
//Console.WriteLine("End iElapsed = {0}", iElapsed);
}
}
