/// <summary>
/// Connect to the Arduino serial port
/// </summary>
/// <param name="portName">e.g. Com1</param>
public async Task ConnectAsync(string portName)
{
await Task.Delay(0); // avoid CS1998
Logger?.LogTrace($@"Connect: {portName}");
// Create a new SerialPort object with default settings.
Aborted = false;
SetupCom(portName);
_serialPortCancellationTokenSource = new CancellationTokenSource();
_serialPort.Open();
_readThread = new Thread(Read);
_writeThread = new Thread(Write);
_readThread.Start();
_writeThread.Start();
// we need Dtr if not used as Reset
// otherwise reset if dtr is set
if (!DtrIsReset || ResetOnConnect)
{
_serialPort.DtrEnable = true;
}
else
{
_serialPort.DiscardOutBuffer();
_serialPort.WriteLine("");
}
// _serialPort.DtrEnable = true;
_serialPort.RtsEnable = true;
bool wasEmpty;
lock (_pendingCommands)
{
wasEmpty = _pendingCommands.Count == 0;
_pendingCommands.Clear();
}
lock (_commands)
{
_commands.Clear();
}
if (!wasEmpty)
{
OnCommandQueueChanged(new SerialEventArgs(0, null));
}
OnCommandQueueEmpty(new SerialEventArgs(0, null));
}
public void SendMessage(byte[] data)
{
if (serialPort != null && serialPort.PortOpen())
{
string line = data[0].ToString();
for (int ii = 1; ii < data.Length; ii++)
{
line += string.Format(".{0}", data[ii]);
}
bool connectionHealthy = serialPort.WriteLine(line);
if (!connectionHealthy)
{
ConnectionLost();
}
}
}
public void SetVoltage(double voltageInVolt)
{
if (voltageInVolt < 0.0 || voltageInVolt > 30.0)
{
throw new ArgumentOutOfRangeException(nameof(voltageInVolt), $"Voltage must be between {0.0} and {30.0}V.");
}
string sendText = string.Format("SV{000}", voltageInVolt * 10);
_serialPort.WriteLine(string.Format(sendText));
string receivedText = _serialPort.ReadLine();
int status = int.Parse(receivedText);
if (status != 0)
{
throw new ErrorNumberException(status);
}
}
/// <summary>
/// Connect to the Arduino serial port
/// </summary>
/// <param name="portname">e.g. Com1</param>
public async Task ConnectAsync(string portname)
{
// Create a new SerialPort object with default settings.
Aborted = false;
SetupCom(portname);
_serialPortCancellationTokenSource = new CancellationTokenSource();
_serialPort.Open();
_readThread = new Thread(Read);
_writeThread = new Thread(Write);
_readThread.Start();
_writeThread.Start();
if (!ResetOnConnect)
{
_serialPort.DiscardOutBuffer();
_serialPort.WriteLine("");
}
bool wasempty;
lock (_pendingCommands)
{
wasempty = _pendingCommands.Count == 0;
_pendingCommands.Clear();
}
lock (_commands)
{
_commands.Clear();
}
if (!wasempty)
{
OnComandQueueChanged(new SerialEventArgs(0, null));
}
OnComandQueueEmpty(new SerialEventArgs(0, null));
}