public virtual IFrostedSerialPort Create(string serialPortName)
{
#if __ANDROID__
//Create an instance of a FrostedSerialPort
IFrostedSerialPort newPort = null;
newPort = new FrostedSerialPort(serialPortName);
return(newPort);
#else
IFrostedSerialPort newPort = null;
// if we can find a mac helper class (to get us 250k)
string appBundle = Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location);
if (File.Exists(Path.Combine(appBundle, "libFrostedSerialHelper.dylib")))
{
// use it
newPort = new FrostedSerialPort(serialPortName);
}
else // use the c# native serial port
{
#if USE_STANDARD_SERIAL
newPort = new CSharpSerialPortWrapper(serialPortName);
#endif
}
return(newPort);
#endif // ANDROID
}
public virtual IFrostedSerialPort CreateAndOpen(string serialPortName, int baudRate, bool DtrEnableOnConnect)
{
#if __ANDROID__
//Create an instance of a FrostedSerialPort and open it
IFrostedSerialPort newPort = Create(serialPortName);
newPort.BaudRate = baudRate;
if (DtrEnableOnConnect)
{
newPort.DtrEnable = true;
}
// Set the read/write timeouts
newPort.ReadTimeout = 500;
newPort.WriteTimeout = 500;
newPort.Open();
return(newPort);
#else
IFrostedSerialPort newPort = Create(serialPortName);
bool isLinux = !(newPort is FrostedSerialPort) && !IsWindows;
bool customBaudAssignment = isLinux && baudRate > 115200;
// Only set serial port .BaudRate when not using Linux workaround
if (!customBaudAssignment)
{
newPort.BaudRate = baudRate;
}
if (DtrEnableOnConnect)
{
newPort.DtrEnable = true;
}
// Set the read/write timeouts
newPort.ReadTimeout = 500;
newPort.WriteTimeout = 500;
newPort.Open();
if (customBaudAssignment)
{
// Once mono has enforced its ANSI baud rate policy(in SerialPort.Open), reset the baud rate to the user specified
// value by calling set_baud in libSetSerial.so
set_baud(serialPortName, baudRate);
}
return(newPort);
#endif // ANDROID
}
public virtual IFrostedSerialPort CreateAndOpen(string serialPortName, int baudRate, bool DtrEnableOnConnect)
{
#if __ANDROID__
//Create an instance of a FrostedSerialPort and open it
IFrostedSerialPort newPort = Create(serialPortName);
newPort.BaudRate = baudRate;
if (DtrEnableOnConnect)
{
newPort.DtrEnable = true;
}
// Set the read/write timeouts
newPort.ReadTimeout = 500;
newPort.WriteTimeout = 500;
newPort.Open();
return(newPort);
#else
IFrostedSerialPort newPort = Create(serialPortName);
bool isLinux = !(newPort is FrostedSerialPort) && !IsWindows;
// Skip BaudRate assignment on Linux to avoid Invalid Baud exception - defaults to 9600
if (!isLinux)
{
newPort.BaudRate = baudRate;
}
if (DtrEnableOnConnect)
{
newPort.DtrEnable = true;
}
// Set the read/write timeouts
newPort.ReadTimeout = 500;
newPort.WriteTimeout = 500;
newPort.Open();
if (isLinux)
{
// Once mono has enforced its ANSI baud rate policy(in SerialPort.Open), reset the baud rate to the user specified
// value by calling set_baud in libSetSerial.so
set_baud(serialPortName, baudRate);
}
return(newPort);
#endif // ANDROID
}
public X3GSerialPortWrapper(string serialPortName)
{
port = FrostedSerialPortFactory.GetAppropriateFactory("raw").Create(serialPortName);
printerDetails = new X3GPrinterDetails();
writer = new X3GWriter(printerDetails);
reader = new X3GReader(printerDetails);
timeSinceLastCommandSent = new Stopwatch();
timeSinceLastOK = new Stopwatch();
sentCommandQueue = new Queue <string>();
lastStr = "";
readBuffer = new StringBuilder();
readPacket = new List <byte>();
outboundOverflowPackets = new Queue <byte[]>();
waitForResponse = false;
}
/// <summary>
/// Abort an ongoing attempt to establish communication with a printer due to the specified problem. This is a specialized
/// version of the functionality that's previously been in .Disable but focused specifically on the task of aborting an
/// ongoing connection. Ideally we should unify all abort invocations to use this implementation rather than the mix
/// of occasional OnConnectionFailed calls, .Disable and .stopTryingToConnect
/// </summary>
/// <param name="abortReason">The concise message which will be used to describe the connection failure</param>
/// <param name="shutdownReadLoop">Shutdown/join the readFromPrinterThread</param>
public void AbortConnectionAttempt(string abortReason, bool shutdownReadLoop = true)
{
// Set .Disconnecting to allow the read loop to exit gracefully before a forced thread join (and extended timeout)
CommunicationState = CommunicationStates.Disconnecting;
// Shutdown the connectionAttempt thread
if (connectThread != null)
{
connectThread.Join(JoinThreadTimeoutMs); //Halt connection thread
}
// Shutdown the readFromPrinter thread
if (shutdownReadLoop)
{
ReadThread.Join();
}
// Shutdown the serial port
if (serialPort != null)
{
// Close and dispose the serial port
serialPort.Close();
serialPort.Dispose();
serialPort = null;
}
// Set the final communication state
CommunicationState = CommunicationStates.Disconnected;
// Set the connection failure message and call OnConnectionFailed
connectionFailureMessage = abortReason;
// Notify
OnConnectionFailed(null);
}
private void AttemptToConnect(string serialPortName, int baudRate)
{
connectionFailureMessage = LocalizedString.Get("Unknown Reason");
if (PrinterIsConnected)
{
throw new Exception(LocalizedString.Get("You can only connect when not currently connected."));
}
bool serialPortIsAvailable = SerialPortIsAvailable(serialPortName);
bool serialPortIsAlreadyOpen = FrostedSerialPortFactory.GetAppropriateFactory(ActivePrinterProfile.Instance.ActivePrinter.DriverType).SerialPortAlreadyOpen(serialPortName);
if (serialPortIsAvailable && !serialPortIsAlreadyOpen)
{
if (!PrinterIsConnected)
{
try
{
serialPort = FrostedSerialPortFactory.GetAppropriateFactory(ActivePrinterProfile.Instance.ActivePrinter.DriverType).CreateAndOpen(serialPortName, baudRate, true);
#if __ANDROID__
ToggleHighLowHeigh(serialPort);
#endif
// wait a bit of time to let the firmware start up
Thread.Sleep(500);
CommunicationState = CommunicationStates.AttemptingToConnect;
ReadThread.Join();
Console.WriteLine("ReadFromPrinter thread created.");
ReadThread.Start();
// We have to send a line because some printers (like old print-r-bots) do not send anything when connecting and there is no other way to know they are there.
SendLineToPrinterNow("M105");
SendLineToPrinterNow("M115");
SendLineToPrinterNow("M114");
}
catch (System.ArgumentOutOfRangeException e)
{
Debug.Print(e.Message);
GuiWidget.BreakInDebugger();
connectionFailureMessage = LocalizedString.Get("Unsupported Baud Rate");
OnConnectionFailed(null);
}
catch (Exception ex)
{
Debug.Print(ex.Message);
GuiWidget.BreakInDebugger();
Debug.WriteLine("An unexpected exception occurred: " + ex.Message);
OnConnectionFailed(null);
}
}
}
else
{
// If the serial port isn't available (i.e. the specified port name wasn't found in GetPortNames()) or the serial
// port is already opened in another instance or process, then report the connection problem back to the user
connectionFailureMessage = (serialPortIsAlreadyOpen ?
string.Format("{0} in use", PrinterConnectionAndCommunication.Instance.ActivePrinter.ComPort) :
LocalizedString.Get("Port not found"));
OnConnectionFailed(null);
}
}
public void Stop()
{
switch (CommunicationState)
{
case CommunicationStates.PrintingFromSd:
CancelSDCardPrint();
break;
case CommunicationStates.Printing:
{
CancelPrint();
MarkActivePrintCanceled();
}
break;
case CommunicationStates.Paused:
{
if (prePauseCommunicationState == CommunicationStates.PrintingFromSd)
{
CancelSDCardPrint();
CommunicationState = CommunicationStates.Connected;
}
else
{
CancelPrint();
MarkActivePrintCanceled();
// We have to continue printing the end gcode, so we set this to Printing.
CommunicationState = CommunicationStates.Printing;
}
}
break;
case CommunicationStates.AttemptingToConnect:
CommunicationState = CommunicationStates.FailedToConnect;
connectThread.Join(JoinThreadTimeoutMs);
CommunicationState = CommunicationStates.Disconnecting;
ReadThread.Join();
if (serialPort != null)
{
serialPort.Close();
serialPort.Dispose();
serialPort = null;
}
CommunicationState = CommunicationStates.Disconnected;
break;
case CommunicationStates.PreparingToPrint:
SlicingQueue.Instance.CancelCurrentSlicing();
CommunicationState = CommunicationStates.Connected;
break;
}
}
private void ToggleHighLowHeigh(IFrostedSerialPort serialPort)
{
serialPort.RtsEnable = true;
serialPort.DtrEnable = true;
Thread.Sleep(100);
serialPort.RtsEnable = false;
serialPort.DtrEnable = false;
Thread.Sleep(100);
serialPort.RtsEnable = true;
serialPort.DtrEnable = true;
}
public void Disable()
{
if (PrinterIsConnected)
{
// Make sure we send this without waiting for the printer to respond. We want to try and turn off the heaters.
// It may be possible in the future to make this go into the printer queue for assured sending but it means
// the program has to be smart about closing an able to wait until the printer has agreed that it shut off
// the motors and heaters (a good idea and something for the future).
ForceImmediateWrites = true;
ReleaseMotors();
TurnOffBedAndExtruders();
FanSpeed0To255 = 0;
ForceImmediateWrites = false;
CommunicationState = CommunicationStates.Disconnecting;
ReadThread.Join();
if (serialPort != null)
{
serialPort.Close();
serialPort.Dispose();
}
serialPort = null;
CommunicationState = CommunicationStates.Disconnected;
LinesToWriteQueue.Clear();
}
else
{
//Need to reset UI - even if manual disconnect
TurnOffBedAndExtruders();
FanSpeed0To255 = 0;
}
OnEnabledChanged(null);
}
public void RebootBoard()
{
if (this.ActivePrinter != null
&& serialPort != null)
{
bool wasConnected = PrinterIsConnected;
// first make sure we are not printing if possible (cancel slicing)
IFrostedSerialPort currentSerialPort = serialPort;
Stop();
serialPort = currentSerialPort;
serialPort.RtsEnable = true;
serialPort.DtrEnable = true;
Thread.Sleep(100);
serialPort.RtsEnable = false;
serialPort.DtrEnable = false;
Thread.Sleep(100);
serialPort.RtsEnable = true;
serialPort.DtrEnable = true;
ClearQueuedGCode();
if (wasConnected)
{
// let the process know we canceled not ended normaly.
CommunicationState = CommunicationStates.Connected;
}
}
}
public void PulseRtsLow()
{
if (serialPort == null && this.ActivePrinter != null)
{
serialPort = FrostedSerialPortFactory.GetAppropriateFactory(ActivePrinterProfile.Instance.ActivePrinter.DriverType).Create(this.ActivePrinter.ComPort);
serialPort.BaudRate = this.BaudRate;
// Set the read/write timeouts
serialPort.ReadTimeout = 500;
serialPort.WriteTimeout = 500;
serialPort.Open();
serialPort.RtsEnable = true;
serialPort.RtsEnable = false;
try
{
Thread.Sleep(100);
}
catch(Exception e)
{
// Let's track this issue if possible.
MatterControlApplication.Instance.ReportException(e, this.GetType().Name, MethodBase.GetCurrentMethod().Name);
}
serialPort.RtsEnable = true;
serialPort.Close();
}
}
public void Stop()
{
switch (CommunicationState)
{
case CommunicationStates.PrintingFromSd:
using (TimedLock.Lock(this, "CancelingPrint"))
{
// get rid of all the gcode we have left to print
ClearQueuedGCode();
// let the process know we canceled not ended normaly.
CommunicationState = CommunicationStates.Connected;
SendLineToPrinterNow("M25"); // : Pause SD print
SendLineToPrinterNow("M26"); // : Set SD position
// never leave the extruder and the bed hot
ReleaseMotors();
TargetExtruderTemperature = 0;
TargetBedTemperature = 0;
}
break;
case CommunicationStates.PrintingToSd:
CommunicationState = CommunicationStates.Connected;
printWasCanceled = true;
break;
case CommunicationStates.Printing:
{
using (TimedLock.Lock(this, "CancelingPrint"))
{
// get rid of all the gcode we have left to print
ClearQueuedGCode();
string cancelGCode = ActiveSliceSettings.Instance.GetActiveValue("cancel_gcode");
if (cancelGCode.Trim() != "")
{
// add any gcode we want to print while canceling
InjectGCode(cancelGCode, printerCommandQueueIndex);
}
// let the process know we canceled not ended normaly.
printWasCanceled = true;
}
if (activePrintTask != null)
{
TimeSpan printTimeSpan = DateTime.Now.Subtract(activePrintTask.PrintStart);
activePrintTask.PrintEnd = DateTime.Now;
activePrintTask.PrintComplete = false;
activePrintTask.Commit();
}
}
break;
case CommunicationStates.Paused:
{
CommunicationState = CommunicationStates.Connected;
if (sendGCodeToPrinterThread != null)
{
sendGCodeToPrinterThread.Join(JoinThreadTimeoutMs);
sendGCodeToPrinterThread = null;
}
if (activePrintTask != null)
{
TimeSpan printTimeSpan = DateTime.Now.Subtract(activePrintTask.PrintStart);
activePrintTask.PrintEnd = DateTime.Now;
activePrintTask.PrintComplete = false;
activePrintTask.Commit();
}
}
break;
case CommunicationStates.AttemptingToConnect:
CommunicationState = CommunicationStates.FailedToConnect;
connectThread.Join(JoinThreadTimeoutMs);
CommunicationState = CommunicationStates.Disconnecting;
if (readFromPrinterThread != null)
{
readFromPrinterThread.Join(JoinThreadTimeoutMs);
}
if (serialPort != null)
{
serialPort.Close();
serialPort.Dispose();
serialPort = null;
}
CommunicationState = CommunicationStates.Disconnected;
break;
case CommunicationStates.PreparingToPrint:
CommunicationState = CommunicationStates.Connected;
break;
}
}
public void PulseRtsLow()
{
if (serialPort == null && this.ActivePrinter != null)
{
serialPort = FrostedSerialPort.Create(this.ActivePrinter.ComPort);
serialPort.BaudRate = this.BaudRate;
if (PrinterConnectionAndCommunication.Instance.DtrEnableOnConnect)
{
serialPort.DtrEnable = true;
}
// Set the read/write timeouts
serialPort.ReadTimeout = 500;
serialPort.WriteTimeout = 500;
serialPort.Open();
serialPort.RtsEnable = true;
serialPort.RtsEnable = false;
try
{
Thread.Sleep(1);
}
catch
{
}
serialPort.RtsEnable = true;
serialPort.Close();
}
}
void AttemptToConnect(string serialPortName, int baudRate)
{
connectionFailureMessage = "Unknown Reason";
if (PrinterIsConnected)
{
throw new Exception("You can only connect when not currently connected.");
}
CommunicationState = CommunicationStates.AttemptingToConnect;
bool serialPortIsAvailable = SerialPortIsAvailable(serialPortName);
bool serialPortIsAlreadyOpen = SerialPortAlreadyOpen(serialPortName);
if (serialPortIsAvailable && !serialPortIsAlreadyOpen)
{
if (CommunicationState == CommunicationStates.AttemptingToConnect)
{
try
{
serialPort = FrostedSerialPort.CreateAndOpen(serialPortName, baudRate, DtrEnableOnConnect);
readFromPrinterThread = new Thread(ReadFromPrinter);
readFromPrinterThread.Name = "Read From Printer";
readFromPrinterThread.IsBackground = true;
readFromPrinterThread.Start();
// let's check if the printer will talk to us
ReadPosition();
SendLineToPrinterNow("M105");
SendLineToPrinterNow("M115");
}
catch (System.ArgumentOutOfRangeException)
{
connectionFailureMessage = "Unsupported Baud Rate";
OnConnectionFailed(null);
}
catch (Exception)
{
OnConnectionFailed(null);
}
}
}
}
