/// <summary>
/// Send a char array command to grbl port
/// </summary>
/// <param name="bytes"></param>
public void Send(char[] bytes)
{
if (grblPort != null && grblPort.IsOpen)
{
lock (lockObject)
{
try
{
grblPort.Write(bytes, 0, bytes.Length);
}
catch (Exception e)
{
PortStateChangeArg arg = new PortStateChangeArg();
arg.State = "Disconnected";
OnPortEvent(arg);
}
}
}
else
{
PortStateChangeArg arg = new PortStateChangeArg();
arg.State = "Disconnected";
OnPortEvent(arg);
}
}
public static void USBRemoved(object sender, EventArgs e)
{
PortStateChangeArg args = new PortStateChangeArg();
args.State = "REMOVED";
OnThresholdReached(args);
}
protected virtual void OnPortEvent(PortStateChangeArg e)
{
EventHandler handler = PortEvent;
if (handler != null)
{
handler(this, e);
}
}
private static void OnThresholdReached(PortStateChangeArg e)
{
EventHandler handler = USBPortChangeEvent;
if (handler != null)
{
handler(null, e);
}
}
/// <summary>
/// Open grbl port
/// </summary>
/// <param name="portDesc">port description object</param>
/// <returns></returns>
public bool Open(PortDesc portDesc)
{
bool IsConnected = false;
//Initiate parameter descriptions and types
GrblParameterBase.Init();
//Initialize the serial port
grblPort = new SerialPort(portDesc.DeviceId, 115200, Parity.None, 8, StopBits.One);
//Setup event handler
grblPort.DataReceived += GrblPort_DataReceived;
grblPort.ErrorReceived += GrblPort_ErrorReceived;
//Open the port
if (!grblPort.IsOpen)
{
try
{
grblPort.Open();
this.portDesc = portDesc;
System.Threading.Thread.Sleep(1000);
CMD_RESET();
System.Threading.Thread.Sleep(1000);
CMD_QUERY();
}
catch (Exception e)
{
//Raise port open error event
}
}
else
{
//Raise port already open event;
}
if (grblPort.IsOpen)
{
PortStateChangeArg arg = new PortStateChangeArg();
arg.State = "Connected";
OnPortEvent(arg);
CMD_GETOFFSET();
queryThread = new Thread(delegate()
{
StartQueryLoop();
});
queryThread.Start();
IsConnected = true;
}
return(IsConnected);
}