private async Task <CommandResponse> SendCommand(string command, ResponseType needsResponse)
{
if (await EnsurePortIsOpen())
{
_port.DiscardInBuffer();
_port.DiscardOutBuffer();
requestIndex++;
try
{
ConsoleOutput.Info(string.Format("[{0:0000}] SERIAL: [{1}] Sending command", requestIndex, command));
_port.Write(command);
}
catch (Exception ex)
{
ConsoleOutput.Error(string.Format("[{0:0000}] SERIAL: [{1}] Failed to send command. {2}", requestIndex, command, ex.Message));
return(new CommandResponse(string.Empty, false, $"Unable to write to {_portName}. " + ex.Message));
}
try
{
switch (needsResponse)
{
case ResponseType.NoResponse:
{
ConsoleOutput.Info(string.Format("[{0:0000}] SERIAL: [{1}] No response needed for command", requestIndex, command));
return(new CommandResponse(string.Empty, true));
}
case ResponseType.DigitResponse:
{
ConsoleOutput.Info(string.Format("[{0:0000}] SERIAL: [{1}] Expecting single digit response for command, waiting...", requestIndex, command));
string response = new string((char)_port.ReadChar(), 1);
ConsoleOutput.Success(string.Format("[{0:0000}] SERIAL: [{1}] Received single digit response '{2}'", requestIndex, command, response));
return(new CommandResponse(response, true));
}
case ResponseType.FullResponse:
{
ConsoleOutput.Info(string.Format("[{0:0000}] SERIAL: [{1}] Expecting #-delimited response for Command, waiting...", requestIndex, command));
string response = _port.ReadTo("#");
ConsoleOutput.Success(string.Format("[{0:0000}] SERIAL: [{1}] Received response '{2}'", requestIndex, command, response));
return(new CommandResponse(response, true));
}
}
}
catch (Exception ex)
{
ConsoleOutput.Error(string.Format("[{0:0000}] SERIAL: [{1}] Failed to receive response to command. {2}", requestIndex, command, ex.Message));
return(new CommandResponse(string.Empty, false, $"Unable to read response to {command} from {_portName}. {ex.Message}"));
}
return(new CommandResponse(string.Empty, false, "Something weird going on..."));
}
else
{
ConsoleOutput.Error(string.Format("[{0:0000}] SERIAL: Failed to open port {1}", requestIndex, _portName));
return(new CommandResponse(string.Empty, false, $"Unable to open {_portName}"));
}
}
public void Disconnect()
{
if (_port.IsOpen)
{
ConsoleOutput.Info("SERIAL: Port is open, sending shutdown command [:Qq#]");
_port.Write(":Qq#");
ConsoleOutput.Info("SERIAL: Closing port...");
_port.Close();
_port = null;
ConsoleOutput.Success("SERIAL: Disconnected...");
}
}
public SerialCommunicationHandler(string comPort)
{
ConsoleOutput.Info($"COMMFACTORY: Creating Serial handler on {comPort} at {_baudRate} baud...");
ConsoleOutput.Info($"COMMFACTORY: Read Timeout {_readTimeout}");
ConsoleOutput.Info($"COMMFACTORY: Write Timeout {_writeTimeout}");
_portName = comPort;
_port = new SerialPort(comPort);
_port.BaudRate = _baudRate;
_port.DtrEnable = false;
_port.ReadTimeout = _readTimeout;
_port.WriteTimeout = _writeTimeout;
}
static List <string> DiscoverDevices()
{
ConsoleOutput.Info("COMMFACTORY: Device Discovery initiated.");
ConsoleOutput.Info("COMMFACTORY: Checking Serial ports....");
List <string> _available = new List <string>();
foreach (var port in SerialPort.GetPortNames())
{
Console.WriteLine("COMMFACTORY: Found Serial port [{0}]", port);
_available.Add("Serial : " + port);
}
return(_available);
}
static SerialCommunicationHandler ConnectToDevice(string device)
{
if (_commHandler != null && _commHandler.Connected)
{
ConsoleOutput.Warning($"COMMFACTORY: Already connected to {device}...");
return(null);
}
ConsoleOutput.Info($"COMMFACTORY: Attempting to connect to device {device}...");
if (device.StartsWith("Serial : "))
{
string comPort = device.Substring("Serial : ".Length);
return(new SerialCommunicationHandler(comPort));
}
return(null);
}
private async Task <bool> EnsurePortIsOpen()
{
if (!_port.IsOpen)
{
try
{
ConsoleOutput.Info(string.Format("SERIAL: Port {0} is not open, attempting to open...", _portName));
_port.Open();
ConsoleOutput.Info(string.Format("SERIAL: Checking if buffer contains data", _portName));
string preCheck = _port.ReadExisting();
if (!string.IsNullOrEmpty(preCheck))
{
ConsoleOutput.Error(string.Format("SERIAL: Possible problem, data already in buffer: {0}", preCheck));
ConsoleOutput.Warning("SERIAL: Flushing serial buffers...");
_port.DiscardInBuffer();
_port.DiscardOutBuffer();
}
else
{
ConsoleOutput.Success("SERIAL: No exising serial data in buffer, all good...");
}
await Task.Delay(750); // Arduino resets on connection. Give it time to start up.
ConsoleOutput.Info("SERIAL: Port is open, sending initial [:I#] command..");
_port.Write(":I#");
ConsoleOutput.Success("SERIAL: Connected!");
return(true);
}
catch (Exception ex)
{
ConsoleOutput.Error(string.Format("SERIAL: Failed to open the port. {0}", ex.Message));
return(false);
}
}
ConsoleOutput.Warning("SERIAL: Flushing serial buffers...");
_port.DiscardInBuffer();
_port.DiscardOutBuffer();
Console.WriteLine("SERIAL: Port {0} is open, continuing...", _portName);
return(true);
}
static async Task <bool> StartTest()
{
Dictionary <string, string> keyValuePairs = new Dictionary <string, string>();
keyValuePairs.Add("GVP#,#", "Product name");
keyValuePairs.Add("GVN#,#", "Firmware version");
keyValuePairs.Add("XGM#,#", "Mount configuration");
keyValuePairs.Add("Gt#,#", "Site Latitude");
keyValuePairs.Add("Gg#,#", "Site Longitude");
keyValuePairs.Add("XGR#,#", "RA Steps");
keyValuePairs.Add("XGD#,#", "DEC Steps");
if (_firmwareVersion >= 10869)
{
keyValuePairs.Add("XGDL#,#", "DEC Limits");
}
keyValuePairs.Add("XGT#,#", "Tracking speed");
keyValuePairs.Add("XGH#,#", "HA");
keyValuePairs.Add("XGL#,#", "LST");
keyValuePairs.Add("GC#,#", "Local date");
keyValuePairs.Add("GL#,#", "Local time");
keyValuePairs.Add("GG#,#", "UTC Offset");
keyValuePairs.Add("XGN#,#", "Network settings");
List <CommandResponse> replys = new List <CommandResponse>();
foreach (var cmd in keyValuePairs)
{
Console.ForegroundColor = ConsoleColor.Magenta;
Console.WriteLine("----- {0} -----\r", cmd.Value);
Console.ResetColor();
var result = await SendCommand(cmd.Key);
if (!result.Success)
{
Console.WriteLine("Press any key to return...");
Console.ReadKey();
return(false);
}
replys.Add(result);
}
// Disconnect
_commHandler.Disconnect();
_commHandler = null;
// Print summery
int cnt = 0;
ConsoleOutput.Info("--------------------------------------- SUMMARY -----------------------------------------------------------\r");
foreach (var cmd in keyValuePairs)
{
ConsoleOutput.Info(string.Format("| {0} | {1} |\r", cmd.Value.PadLeft(30), replys[cnt].Data.PadRight(70)));
cnt++;
}
ConsoleOutput.Info("-----------------------------------------------------------------------------------------------------------\r");
ConsoleOutput.Info("Press any key to return...");
Console.ReadKey();
return(true);
}