public void OpenPort()
{
try
{
_serialPort = new SerialPort();
_serialPort.PortName = SelectedPort;
_serialPort.BaudRate = 115200;
_serialPort.Handshake = System.IO.Ports.Handshake.None;
_serialPort.Parity = Parity.None;
_serialPort.DataBits = 8;
_serialPort.StopBits = StopBits.One;
_serialPort.ReadTimeout = 200;
_serialPort.WriteTimeout = 50;
_serialPort.DataReceived += _serialPort_DataReceived;
_serialPort.Open();
}
catch (Exception ex)
{
MessageBox.Show($"Could not open serial port: {ex.Message}");
_serialPort.Close();
}
OpenPortCommand.RaiseCanExecuteChanged();
ClosePortCommand.RaiseCanExecuteChanged();
SendTextCommand.RaiseCanExecuteChanged();
NextTextCommand.RaiseCanExecuteChanged();
SendResetCommand.RaiseCanExecuteChanged();
PreviousTextCommand.RaiseCanExecuteChanged();
SendZeroCommand.RaiseCanExecuteChanged();
IncrementStepsCommand.RaiseCanExecuteChanged();
DecrementStepsCommand.RaiseCanExecuteChanged();
SendCoefficientsCommand.RaiseCanExecuteChanged();
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(IsPortClosed)));
}
public void ClosePort()
{
if (_serialPort != null)
{
_serialPort.Close();
_serialPort.Dispose();
_serialPort = null;
OpenPortCommand.RaiseCanExecuteChanged();
ClosePortCommand.RaiseCanExecuteChanged();
SendTextCommand.RaiseCanExecuteChanged();
NextTextCommand.RaiseCanExecuteChanged();
SendResetCommand.RaiseCanExecuteChanged();
PreviousTextCommand.RaiseCanExecuteChanged();
SendZeroCommand.RaiseCanExecuteChanged();
IncrementStepsCommand.RaiseCanExecuteChanged();
DecrementStepsCommand.RaiseCanExecuteChanged();
SendCoefficientsCommand.RaiseCanExecuteChanged();
PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(IsPortClosed)));
}
}
public static System.IO.Ports.SerialPort Open(OpenPortCommand command)
{
lock (Lock)
{
var serialPort = Get(command.PortName);
if (serialPort.IsOpen)
{
return(serialPort);
}
serialPort.Parity = command.Parity;
serialPort.BaudRate = command.BaudRate;
serialPort.DataBits = command.DataBits;
serialPort.StopBits = command.StopBits;
serialPort.Open();
return(serialPort);
}
}
