public static void EnterEchoMode(MeadowSerialDevice meadow)
{
if (meadow == null)
{
Console.WriteLine("No current device");
return;
}
if (meadow.SerialPort == null && meadow.Socket == null)
{
Console.WriteLine("No current serial port or socket");
return;
}
meadow.Initialize(true);
}
public static async Task <MeadowSerialDevice> GetMeadowForSerialPort(string serialPort) //, bool verbose = true)
{
try
{
if (_connections.ContainsKey(serialPort))
{
_connections[serialPort].Dispose();
_connections.Remove(serialPort);
Thread.Sleep(1000);
}
var meadow = new MeadowSerialDevice(serialPort);
meadow.Initialize();
_connections.Add(serialPort, meadow);
return(meadow);
}
catch (Exception ex)
{
throw ex;
}
}
//returns null if we can't detect a Meadow board
public static async Task <MeadowSerialDevice> GetMeadowForSerialPort(string serialPort) //, bool verbose = true)
{
var maxRetries = 15;
var attempt = 0;
MeadowSerialDevice meadow = null;
connect:
if (CurrentDevice?.SerialPort != null && CurrentDevice.SerialPort.IsOpen)
{
CurrentDevice.SerialPort.Dispose();
}
try
{
meadow = CurrentDevice = new MeadowSerialDevice(serialPort);
meadow.Initialize();
await meadow.GetDeviceInfo().ConfigureAwait(false);
return(meadow);
}
catch (Exception ex)
{
// sometimes the serial port needs time to reset
if (attempt++ < maxRetries)
{
await Task.Delay(500).ConfigureAwait(false);
goto connect;
}
else
{
return(null);
}
}
}