/// <summary>
/// Issues Phase Diagnostic call for meter
/// </summary>
/// <returns>Boolean indicating success of Phase Diagnostic call</returns>
private string Process()
{
CancellationToken token = _cts.Token;
var task = _serial.PhaseDiagnostic(token);
// Waits X seconds for Phase Diagnostic call to finish execution if not then display
// modal to user and attempt to reconnect
int timeout = _serial.NewFirmware ? 7000 : 5000;
if (!task.Wait(timeout, token))
{
// Create thread that launches modal window for user and continues to poll
// original process to determine if it has completed
Thread t = new Thread(new ThreadStart(() =>
{
InfoView info = null;
InfoViewModel ifvm = new InfoViewModel(task, _cts, "Serial Connection Lost", "Attempting to Reconnect");
Application.Current.Dispatcher.Invoke(() =>
{
info = new InfoView
{
Owner = Application.Current.MainWindow,
WindowStartupLocation = WindowStartupLocation.CenterOwner,
DataContext = ifvm
};
info.Show();
});
var monitor = ifvm.Poll();
if (monitor)
{
// Close the window if the program has successfully re-established communication
Application.Current.Dispatcher.Invoke(() =>
{
ifvm.UserClosedWindow = false;
info.Close();
});
}
else
{
// Wait for the task to complete
while (task.Status != TaskStatus.RanToCompletion)
{
}
// exit this function
return;
}
}));
t.SetApartmentState(ApartmentState.STA);
t.IsBackground = true;
t.Start();
t.Join();
}
// Iterate over each line and extract the voltage, current and kW for each channel and phase of the meter
string buffer = task.Result;
int meter = 0;
bool phase1 = true;
int lineNumber = 0;
bool corrupted = false;
float voltageASum = 0.0f;
float voltageBSum = 0.0f;
float voltageCSum = 0.0f;
float voltageANum = 0;
float voltageBNum = 0;
float voltageCNum = 0;
foreach (string s in buffer.Split(new char[] { '\n', '\r' }, System.StringSplitOptions.RemoveEmptyEntries))
{
string[] cols = s.Split(new char[0], StringSplitOptions.RemoveEmptyEntries);
// if not data row continue to next line
if (s.Contains("Amps") || (!_serial.NewFirmware && cols.Length != 10) || (_serial.NewFirmware && cols.Length != 9))
{
continue;
}
if (!_serial.NewFirmware)
{
if (Regex.IsMatch(cols[0], "^(3[2-9]|4[0-3])$") && Regex.IsMatch(cols[3], "^[12]$") && Convert.ToInt32(cols[0]) - 32 == lineNumber / 2)
{
meter = Convert.ToInt32(cols[0]) - 32;
phase1 = cols[3] == "1" ? true : false;
if (phase1)
{
if (Regex.IsMatch(cols[6], @"^\d*\.\d*$"))
{
Phase1Text[meter, 0] = float.Parse(cols[6]).ToString("0.00");
}
else
{
Phase1Text[meter, 0] = "--";
corrupted = true;
}
if (Regex.IsMatch(cols[8], @"^\d*\.\d*$"))
{
float watts = float.Parse(cols[8]);
Phase1Text[meter, 1] = (watts / 1000).ToString("0.00");
if (Regex.IsMatch(cols[9], @"^\d*\.\d*$"))
{
double temp = Math.Atan2(float.Parse(cols[9]), watts);
if (double.IsNaN(temp))
{
Phase1Text[meter, 2] = "--";
}
else
{
Phase1Text[meter, 2] = temp.ToString("0.00");
}
}
else
{
Phase1Text[meter, 2] = "--";
corrupted = true;
}
}
else
{
Phase1Text[meter, 1] = "--";
Phase1Text[meter, 2] = "--";
corrupted = true;
}
// Set the voltages for the Meter Information box
if (Regex.IsMatch(cols[7], @"^\d*\.\d*$"))
{
if (Phase1Text[meter, 4] == "A")
{
voltageASum += float.Parse(cols[7]);
voltageANum++;
}
else if (Phase1Text[meter, 4] == "B")
{
voltageBSum += float.Parse(cols[7]);
voltageBNum++;
}
else if (Phase1Text[meter, 4] == "C")
{
voltageCSum += float.Parse(cols[7]);
voltageCNum++;
}
}
else
{
corrupted = true;
}
}
else
{
if (Regex.IsMatch(cols[6], @"^\d*\.\d*$"))
{
Phase2Text[meter, 0] = float.Parse(cols[6]).ToString("0.00");
}
else
{
Phase2Text[meter, 0] = "--";
corrupted = true;
}
if (Regex.IsMatch(cols[8], @"^\d*\.\d*$"))
{
float watts = float.Parse(cols[8]);
Phase2Text[meter, 1] = (watts / 1000).ToString("0.00");
if (Regex.IsMatch(cols[9], @"^\d*\.\d*$"))
{
double temp = Math.Atan2(float.Parse(cols[9]), watts);
if (double.IsNaN(temp))
{
Phase2Text[meter, 2] = "--";
}
else
{
Phase2Text[meter, 2] = temp.ToString("0.00");
}
}
else
{
Phase2Text[meter, 2] = "--";
corrupted = true;
}
}
else
{
Phase2Text[meter, 1] = "--";
Phase2Text[meter, 2] = "--";
corrupted = true;
}
// Set the voltages for the Meter Information box
if (Regex.IsMatch(cols[7], @"^\d*\.\d*$"))
{
if (Phase2Text[meter, 4] == "A")
{
voltageASum += float.Parse(cols[7]);
voltageANum++;
}
else if (Phase2Text[meter, 4] == "B")
{
voltageBSum += float.Parse(cols[7]);
voltageBNum++;
}
else if (Phase2Text[meter, 4] == "C")
{
voltageCSum += float.Parse(cols[7]);
voltageCNum++;
}
}
else
{
corrupted = true;
}
}
}
else
{
if (lineNumber % 2 == 0)
{
Phase1Text[lineNumber / 2, 0] = "--"; // Amps
Phase1Text[lineNumber / 2, 1] = "--"; // Watts
Phase1Text[lineNumber / 2, 2] = "--"; // PF
}
else
{
Phase2Text[lineNumber / 2, 0] = "--"; // Amps
Phase2Text[lineNumber / 2, 1] = "--"; // Watts
Phase2Text[lineNumber / 2, 2] = "--"; // PF
}
corrupted = true;
}
}
else
{
if (Regex.IsMatch(cols[0], "^[12]$"))
{
phase1 = cols[0] == "1" ? true : false;
if (phase1)
{
if (Regex.IsMatch(cols[3], @"^\d*\.\d*$"))
{
Phase1Text[meter, 0] = float.Parse(cols[3]).ToString("0.00");
}
else
{
Phase1Text[meter, 0] = "--";
corrupted = true;
}
if (Regex.IsMatch(cols[5], @"^\d*\.\d*$"))
{
float watts = float.Parse(cols[5]);
Phase1Text[meter, 1] = (watts / 1000).ToString("0.00");
if (Regex.IsMatch(cols[6], @"^\d*\.\d*$"))
{
double temp = Math.Atan2(float.Parse(cols[6]), watts);
if (double.IsNaN(temp))
{
Phase1Text[meter, 2] = "--";
}
else
{
Phase1Text[meter, 2] = temp.ToString("0.00");
}
}
else
{
Phase1Text[meter, 2] = "--";
corrupted = true;
}
}
else
{
Phase1Text[meter, 1] = "--";
Phase1Text[meter, 2] = "--";
corrupted = true;
}
// Set the voltages for the Meter Information box
if (Regex.IsMatch(cols[4], @"^\d*\.\d*$"))
{
if (Phase1Text[meter, 4] == "A")
{
voltageASum += float.Parse(cols[4]);
voltageANum++;
}
else if (Phase1Text[meter, 4] == "B")
{
voltageBSum += float.Parse(cols[4]);
voltageBNum++;
}
else if (Phase1Text[meter, 4] == "C")
{
voltageCSum += float.Parse(cols[4]);
voltageCNum++;
}
}
else
{
corrupted = true;
}
}
else
{
if (Regex.IsMatch(cols[3], @"^\d*\.\d*$"))
{
Phase2Text[meter, 0] = float.Parse(cols[3]).ToString("0.00");
}
else
{
Phase2Text[meter, 0] = "--";
corrupted = true;
}
if (Regex.IsMatch(cols[5], @"^\d*\.\d*$"))
{
float watts = float.Parse(cols[5]);
Phase2Text[meter, 1] = (watts / 1000).ToString("0.00");
if (Regex.IsMatch(cols[6], @"^\d*\.\d*$"))
{
double temp = Math.Atan2(float.Parse(cols[6]), watts);
if (double.IsNaN(temp))
{
Phase2Text[meter, 2] = "--";
}
else
{
Phase2Text[meter, 2] = temp.ToString("0.00");
}
}
else
{
Phase2Text[meter, 2] = "--";
corrupted = true;
}
}
else
{
Phase2Text[meter, 1] = "--";
Phase2Text[meter, 2] = "--";
corrupted = true;
}
// Set the voltages for the Meter Information box
if (Regex.IsMatch(cols[4], @"^\d*\.\d*$"))
{
if (Phase2Text[meter, 4] == "A")
{
voltageASum += float.Parse(cols[4]);
voltageANum++;
}
else if (Phase2Text[meter, 4] == "B")
{
voltageBSum += float.Parse(cols[4]);
voltageBNum++;
}
else if (Phase2Text[meter, 4] == "C")
{
voltageCSum += float.Parse(cols[4]);
voltageCNum++;
}
}
else
{
corrupted = true;
}
meter++;
}
}
else
{
if (lineNumber % 2 == 0)
{
Phase1Text[lineNumber / 2, 0] = "--"; // Amps
Phase1Text[lineNumber / 2, 1] = "--"; // Watts
Phase1Text[lineNumber / 2, 2] = "--"; // PF
}
else
{
Phase2Text[lineNumber / 2, 0] = "--"; // Amps
Phase2Text[lineNumber / 2, 1] = "--"; // Watts
Phase2Text[lineNumber / 2, 2] = "--"; // PF
}
corrupted = true;
}
}
lineNumber++;
}
// Display average of Voltages instead of last voltage received
// aids in troubleshooting
VoltageA = (voltageASum / voltageANum).ToString("0.00") + " V";
VoltageB = (voltageBSum / voltageBNum).ToString("0.00") + " V";
VoltageC = (voltageCSum / voltageCNum).ToString("0.00") + " V";
OnPropertyChanged(nameof(Phase1Text));
OnPropertyChanged(nameof(Phase2Text));
// If present data is corrupted, increment corrupted counter
if (corrupted)
{
_numCorrupted++;
}
// Reset corrupted counter if data isn't corrupt
else
{
_numCorrupted = 0;
}
// If data is corrupt, 3 times in a row
// display modal to user and stop reading
if (_numCorrupted == 3)
{
InfoView info = null;
InfoViewModel ifvm = new InfoViewModel("Corrupted Data", "Corrupted Data has been received multiple times. Please check set up. Pausing serial port reads.");
Application.Current.Dispatcher.Invoke(() =>
{
info = new InfoView
{
Owner = Application.Current.MainWindow,
WindowStartupLocation = WindowStartupLocation.CenterOwner,
DataContext = ifvm
};
info.Show();
});
// Stops async processes and closes serial port
// but leaves current tab open
_break = true;
_serial.Close();
}
return(buffer);
}
/// <summary>
/// Connects a serial port to a meter and creates a new meter object, progressing user to next page
/// </summary>
/// <returns></returns>
private async Task OpenSerial()
{
try
{
var tokenSource = new CancellationTokenSource();
CancellationToken token = tokenSource.Token;
var task = EstablishSerial(token);
// Waits 5 seconds for Phase Diagnostic call to finish execution if not then display
// modal to user and attempt to reconnect
if (!task.Wait(500, token))
{
// Create thread that launches modal window for user and continues to poll
// original process to determine if it has completed
Thread t = new Thread(new ThreadStart(async() =>
{
InfoView info = null;
InfoViewModel ifvm = new InfoViewModel(task, tokenSource, "Meter Serial Connection", "Connecting to Meter");
Application.Current.Dispatcher.Invoke(() =>
{
info = new InfoView
{
Owner = Application.Current.MainWindow,
WindowStartupLocation = WindowStartupLocation.CenterOwner,
DataContext = ifvm
};
info.Show();
});
var monitor = ifvm.Poll();
if (monitor)
{
// Close the window if the program has successfully re-established communication
Application.Current.Dispatcher.Invoke(() =>
{
ifvm.UserClosedWindow = false;
info.Close();
});
}
else
{
// Wait for the task to complete
while (task.Status != TaskStatus.RanToCompletion)
{
}
// exit this function
return;
}
}));
t.SetApartmentState(ApartmentState.STA);
t.IsBackground = true;
t.Start();
t.Join();
}
}
catch
{
}
finally
{
IsBusy = false;
COMPORT = " ";
}
}