public void Read()
{
// Read sensor data from instrument.
string message = TrySendingCommand(CreateMessage(CMDS.GET_LIVE_DATA));
// Parse the response.
G2StatusInfo g2StatusInfo = AnalyzeLiveData(message);
switch (GasSelection)
{
case Gas.Methane:
// TODO: Parse the response.
//Readings[VariableType.GasConcentration] = g2StatusInfo.SensorLiveData[0].Reading;
break;
case Gas.Oxygen:
// TODO: Parse the response.
//Readings[VariableType.GasConcentration] = g2StatusInfo.SensorLiveData[1].Reading;
break;
default:
throw new DeviceSettingNotSupportedException("Gas selection " + GasSelection.ToString() + " is not supported.");
}
// TODO: Parse the reading and add it to the response queue.
}
public void Read()
{
try
{
switch (GasSelection)
{
case Gas.Methane:
// Read from the appropriate sensor.
Port.WriteLine("TCd");
break;
case Gas.Oxygen:
// Read from the appropriate sensor.
Port.WriteLine("1dd");
break;
case Gas.CarbonMonoxide:
// Read from the appropriate sensor.
Port.WriteLine("2dd");
break;
case Gas.HydrogenSulfide:
// Read from the appropriate sensor.
Port.WriteLine("3dd");
break;
case Gas.HydrogenCyanide:
// Read from the appropriate sensor.
Port.WriteLine("4dd");
break;
default:
throw new DeviceSettingNotSupportedException("Gas selection " + GasSelection.ToString() + " is not supported.");
}
// Read from the serial port.
Thread.Sleep(200);
string message = string.Empty;
while (Port.BytesToRead != 0)
{
message += Port.ReadExisting();
}
// Flush the port.
Port.DiscardInBuffer();
// Save the whole string as a message to be logged.
// Replace any newlines or tabs with spaces to avoid weird log files.
Message = Regex.Replace(message, @"\t|\n|\r", " ");
}
catch (InvalidOperationException ex)
{
throw new DevicePortException("Could not read from G3."
+ Environment.NewLine + ex.Message);
}
catch (TimeoutException ex)
{
throw new DeviceCommunicationException("No response from G3."
+ Environment.NewLine + ex.Message);
}
catch (Exception ex) when(ex is FormatException || ex is IndexOutOfRangeException)
{
throw new DeviceCommunicationException("Invalid response from G3."
+ Environment.NewLine + ex.Message);
}
}
public void Read()
{
try
{
switch (GasSelection)
{
case Gas.Methane:
// Read from the appropriate sensor.
_serialPort.Write("1dd");
break;
case Gas.Oxygen:
// Read from the appropriate sensor.
_serialPort.Write("2dd");
break;
case Gas.CarbonMonoxide:
// Read from the appropriate sensor.
_serialPort.Write("3dd");
break;
case Gas.HydrogenSulfide:
// Read from the appropriate sensor.
_serialPort.Write("4dd");
break;
case Gas.HydrogenCyanide:
// Read from the appropriate sensor.
_serialPort.Write("5dd");
break;
default:
throw new DeviceSettingNotSupportedException("Gas selection " + GasSelection.ToString() + " is not supported.");
}
// Read from the serial port.
Thread.Sleep(200);
string message = string.Empty;
while (_serialPort.BytesToRead != 0)
{
message += _serialPort.ReadExisting();
}
// Flush the port.
_serialPort.DiscardInBuffer();
// Parse the string.
string[] words = message.Split(' ');
// Parse the reading.
Readings[VariableType.GasConcentration] = Convert.ToDouble(words[4]);
}
catch (InvalidOperationException ex)
{
throw new DevicePortException("Could not read from G3."
+ Environment.NewLine + ex.Message);
}
catch (TimeoutException ex)
{
throw new DeviceCommunicationException("No response from G3."
+ Environment.NewLine + ex.Message);
}
catch (Exception ex) when(ex is FormatException || ex is IndexOutOfRangeException)
{
throw new DeviceCommunicationException("Invalid response from G3."
+ Environment.NewLine + ex.Message);
}
}