/// <summary>
/// This class writes to the PLC for Tesla
/// Tags have default values, but they can be overriden by accessing the public variables of each of the tags
/// </summary>
/// <param name="PLCIPAddress"></param>
/// <param name="_ResultsTags"></param>
/// <param name="_VehicleInfoTags"></param>
public PLCComm(string PLCIPAddress)
{
ResultsTags = new TPM_Results_Tags();
HeartbeatTime = 500; //ms. This value can also be set through a public variable.
mPLC = new Esys.IO.PLC.AB.ControlLogix();
mIPAddress = PLCIPAddress;
}
/// <summary>
/// Stop the threads. Start a timer to make sure the threads are stopped before closing the form.
/// </summary>
public void Dispose()
{
try {
OnNewMessage("Closing connection to PLC...Please wait...");
//ReadResultsThread_Running = false;
ConnectionThread_Running = false;
ReadResultsThread_Running = false;
mPLC.StatusChanged -= new Esys.IO.DeviceStatusEventHandler(mPLC_StatusChanged);
while (threadConnection.IsAlive)
{
Thread.Sleep(10);
}
while (threadReadResultsThread.IsAlive)
{
Thread.Sleep(10);
}
}
catch { } //ignore exceptions
try
{
mPLC.RemoveAllTags();
}
catch { }//ignore exceptions
try
{
mPLC.Disconnect();
}
catch { }//ignore exceptions
mPLC = null;
OnNewMessage("PLC Disconnection Complete");
}