public void OnMbedStatusChanged(MbedStatus status)
{
Status = status;
MbedStatusEventArgs e = new MbedStatusEventArgs {Status = status};
EventHandler<MbedStatusEventArgs> handler = MbedStatusChanged;
if (handler != null) handler(this, e);
}
public void OnMbedStatusChanged(MbedStatus status)
{
Status = status;
MbedStatusEventArgs e = new MbedStatusEventArgs {
Status = status
};
EventHandler <MbedStatusEventArgs> handler = MbedStatusChanged;
if (handler != null)
{
handler(this, e);
}
}
public virtual void Stop()
{
Status = MbedStatus.Disconnected;
OnMbedStatusChanged(new MbedStatusEventArgs() { Status = Status });
}
public string RPC(string function, params int[] arguments)
{
string response = "128";
if (_serialPortAdapter == null || _serialPortAdapter.IsOpen == false)
{
return response;
}
//throw new InvalidOperationException("The Serial port has not been initialized. Did you initialize the port?");
string functionArguments = arguments.Aggregate(string.Empty, (current, argument) => string.Format("{0} {1}", current, argument));
string rpcCommand = string.Format("/{0}/run {1}", function, functionArguments);
try
{
_serialPortAdapter.WriteLine(rpcCommand);
response = _serialPortAdapter.ReadLine();
}
catch (Exception)
{
OnMbedStatusChanged(Status = MbedStatus.Disconnected);
Stop();
}
Debug.WriteLine("Command sent to mbed: {0}", rpcCommand);
return response;
}
private string GetMbedPortName(string strStartKey = null)
{
if (string.IsNullOrEmpty(strStartKey))
strStartKey = _settings.PortSearchKey;
// ...GetPortNames obtains a list of COM ports that are actually connected. Without using this
// list the code will still try to connect to an mbed even if it isn't connected because the registry
// seems to remember things even if they are unplugged
string[] portNames = SerialPortAdapter.GetPortNames();
RegistryKey currentKey = Registry.LocalMachine.OpenSubKey(strStartKey);
if (currentKey == null)
//throw new MbedLookupException("No mbed COM port driver found. Please install the latest Windows Serial Port Driver for the mbed.");
OnMbedStatusChanged(Status = MbedStatus.NoDriver);
string[] subKeyNames = currentKey.GetSubKeyNames();
if (subKeyNames.Contains("Device Parameters"))
{
string portNameValue = (string)Registry.GetValue("HKEY_LOCAL_MACHINE\\" + strStartKey + "\\Device Parameters", "PortName", null);
return portNames.Contains(portNameValue) ? portNameValue : null;
}
var result = (from strSubKey in subKeyNames
where GetMbedPortName(strStartKey + "\\" + strSubKey) != null
select GetMbedPortName(strStartKey + "\\" + strSubKey)).FirstOrDefault();
if (result == null)
//throw new MbedLookupException("Mbed not detected. Please verify the mbed is plugged in and shows in the Device Manager under \"Ports (COM & LPT)\"");
OnMbedStatusChanged(MbedStatus.Disconnected );
return result;
}
