public bool LoadGCodeFile(string filePath)
{
if (!Connected || mLostConnection)
{
Connect();
}
bool result = false;
try
{
result = Mach3ULink.LoadGcodeFile(filePath);
}
catch (SEHException ex)
{
mLostConnection = true;
throw new ArgumentException("Lost connection to Mach3");
}
catch (Exception ex)
{
mLostConnection = true;
throw new ArgumentException("Unexpected exception encountered talking with Mach3. Message=" + ex.Message);
}
return(result);
}
public void Disconnect()
{
try
{
Mach3ULink.Mach3ObjectModelShutdown();
}
catch (SEHException ex)
{
mLostConnection = true;
throw new ArgumentException("Exception encountered while disconnecting from Mach3.");
}
catch (Exception ex)
{
mLostConnection = true;
throw new ArgumentException("Unexpected exception encountered while disconnecting from Mach3. Message=" + ex.Message);
}
mConnected = false;
mLostConnection = false;
}
public void SetOEMDRO(short buttonCode, double value)
{
if (!Connected || mLostConnection)
{
Connect();
}
try
{
Mach3ULink.SetOEMDRO(buttonCode, value);
}
catch (SEHException ex)
{
mLostConnection = true;
throw new ArgumentException("Lost connection to Mach3");
}
catch (Exception ex)
{
mLostConnection = true;
throw new ArgumentException("Unexpected exception encountered talking with Mach3. Message=" + ex.Message);
}
}
public void CycleStart()
{
if (!Connected || mLostConnection)
{
Connect();
}
try
{
Mach3ULink.CycleStart();
}
catch (SEHException ex)
{
mLostConnection = true;
throw new ArgumentException("Lost connection to Mach3");
}
catch (Exception ex)
{
mLostConnection = true;
throw new ArgumentException("Unexpected exception encountered talking with Mach3. Message=" + ex.Message);
}
}
// TODO:when we loose the connection due to an SEHException during a call, should we Disconnect before we re-Connect?
public void Connect()
{
if (!System.IO.File.Exists("Mach3ULink.dll"))
{
throw new ArgumentException("Mach3 link not fully installed. Connection cannot be established.");
}
// Connect() will be called if the connection was lost, so first we attempt a disconnect to ensure we clean things up properly
if (mConnected || mLostConnection)
{
Disconnect();
}
bool success = false;
try
{
success = Mach3ULink.Mach3ObjectModelStartup();
}
catch (SEHException ex)
{
mConnected = false;
throw new ArgumentException("Unable to connect to Mach3 (code 8347)");
}
catch (Exception ex)
{
mConnected = false;
throw new ArgumentException("Unexpected exception encountered while connecting to Mach3. Message=" + ex.Message);
}
if (!success)
{
throw new ArgumentException("Unable to connect to Mach3 (code 8358)");
}
mConnected = true;
mLostConnection = false; // consider the connection healthy
}
