public Measurement GetWeight(bool single = false)
{
try
{
if (clockPin == null || dataPin == null)
{
return(null);
}
// TODO: sample sensors and report weight -- mocked for now
//return new Measurement(165.0f, Measurement.UnitsOfMeasure.Pounds);
device = new HX711(clockPin, dataPin);
var w = _GetOutputData();
Debug.WriteLine($"Single:{w}");
var c = Calibrated(w);
if (!CheckAnomaly(c))
{
PriorMeasurements.Enqueue(new Measurement(c, Measurement.UnitsOfMeasure.Ounces));
}
Debug.WriteLine($"Current Avg:{PriorMeasurements.Average(i => i.Amount)}");
#if DEBUG
foreach (var item in PriorMeasurements)
{
Debug.WriteLine($" {item.Amount}");
}
#endif
if (single)
{
return(new Measurement(w, Measurement.UnitsOfMeasure.Ounces));
}
else
{
return(new Measurement(PriorMeasurements.Average(i => i.Amount), Measurement.UnitsOfMeasure.Ounces));
}
}
catch (Exception ex)
{
Debug.WriteLine($"Error,{ex.Message}");
KegLogger.KegLogException(ex, "Weight:GetWeight", SeverityLevel.Critical);
KegLogger.KegLogTrace(ex.Message, "Weight:GetWeight", SeverityLevel.Warning,
new Dictionary <string, string>()
{
{ "ClockPin", CalibrationSettings[WeightClockGpioPinNumberSetting].ToString() },
{ "DataPin", CalibrationSettings[WeightDataGpioPinNumberSetting].ToString() }
});
}
return(null);
}
private bool CheckAnomaly(float newValue)
{
if (PriorMeasurements.Count > 2 && newValue > PriorMeasurements.Average(i => i.Amount) * 2)
{
Debug.WriteLine($" Anomaly: {newValue}");
KegLogger.KegLogTrace("Anomaly Detected!", "Weight:GetWeight", SeverityLevel.Error,
new Dictionary <string, string>()
{
{ "Weight", newValue.ToString() }
});
return(true);
}
else
{
return(false);
}
}
public void Initialize()
{
if (IsInitialized)
{
return;
}
//IsInitialized = true;
int pinNumber = Int32.Parse(CalibrationSettings[FlowGPIOPinNumberSetting].ToString());
var c = GpioController.GetDefault();
if (c != null)
{
try
{
_pin = c.OpenPin(pinNumber);
if (_pin != null)
{
if (_pin.IsDriveModeSupported(GpioPinDriveMode.InputPullUp))
{
_pin.SetDriveMode(GpioPinDriveMode.InputPullUp);
}
_pin.ValueChanged += _pin_ValueChanged;
}
}
catch (Exception ex)
{
Debug.WriteLine($"Exception:{ex.Message}");
KegLogger.KegLogException(ex, "Flow:Initialize", SeverityLevel.Critical);
KegLogger.KegLogTrace(ex.Message, "Flow:Initialize", SeverityLevel.Error,
new Dictionary <string, string>()
{
{ "PinNumber", CalibrationSettings[FlowGPIOPinNumberSetting].ToString() }
});
//Pin used exception
//TODO
}
}
IsInitialized = true;
}
public void Initialize()
{
var gpio = GpioController.GetDefault();
if (gpio == null)
{
_pin = null;
Debug.WriteLine("Flow Control:Unable to initialize, no GPIO controller.");
KegLogger.KegLogTrace("Custom: Flow Control:Unable to initialize, no GPIO controller.",
"FlowControl:Initialize", SeverityLevel.Error,
new Dictionary <string, string>()
{
{ "PinNumber", CalibrationSettings[FlowControlGpioPinNumberSetting].ToString() },
{ "IsActive", _isActive.ToString() }
});
return;
}
if (_pin == null)
{
try
{
_pin = gpio.OpenPin(Int32.Parse(CalibrationSettings[FlowControlGpioPinNumberSetting].ToString()), GpioSharingMode.Exclusive);
_pin.Write(_isActive);
_pin.SetDriveMode(GpioPinDriveMode.Output);
}
catch (Exception ex)
{
Debug.WriteLine($"Flow Control:Unable to initialize, PIN Null.{ex.Message}");
KegLogger.KegLogException(ex, "FlowControl:Initialize", SeverityLevel.Critical);
KegLogger.KegLogTrace(ex.Message, "FlowControl:Initialize", SeverityLevel.Critical,
new Dictionary <string, string>()
{
{ "PinNumber", CalibrationSettings[FlowControlGpioPinNumberSetting].ToString() },
{ "IsActive", _isActive.ToString() }
});
}
}
}
// takes an instant reading or returns the average accumulated value, and returns
// the interpreted value adjusted by calibration settings.
public async Task <Models.Measurement> GetTemperature()
{
Measurement result = _lastMeasurement;
try
{
if (_pin == null || _dht11 == null)
{
int pinNumber = TEMPERATUREDATAPIN; // default
if (CalibrationSettings.ContainsKey(TempGpioPinNumberSetting))
{
pinNumber = Int32.Parse(CalibrationSettings[TempGpioPinNumberSetting].ToString());
}
var c = GpioController.GetDefault();
if (c != null)
{
_pin = c.OpenPin(pinNumber, GpioSharingMode.Exclusive);
if (_pin != null)
{
_dht11 = new Dht11(_pin, GpioPinDriveMode.Input);
}
}
}
if (_dht11 == null)
{
return(null);
}
DhtReading reading = await _dht11.GetReadingAsync().AsTask();
for (int retries = 0; retries < 10; retries++)
{
if (reading.TimedOut)
{
Debug.Write(".");
}
else if (!reading.IsValid)
{
Debug.Write("x");
}
else
{
break;
}
}
if (reading.IsValid)
{
//Debug.WriteLine($"Temp reading = {reading.Temperature}");
Measurement.UnitsOfMeasure units = Measurement.UnitsOfMeasure.Fahrenheit;
if (CalibrationSettings.ContainsKey(PreferredTemperatureUnits))
{
units = (Measurement.UnitsOfMeasure)Enum.Parse(typeof(Measurement.UnitsOfMeasure), CalibrationSettings[PreferredTemperatureUnits].ToString());
}
Measurement adjust = new Measurement(0.0f, Measurement.UnitsOfMeasure.Fahrenheit);
if (CalibrationSettings.ContainsKey(AdjustTemperatureSetting))
{
adjust = CalibrationSettings[AdjustTemperatureSetting] as Measurement;
}
float temperature = (float)reading.Temperature;
temperature = Convert(Measurement.UnitsOfMeasure.Celsius, units, temperature);
adjust.Amount = Convert(adjust.Units, units, adjust.Amount);
adjust.Units = units;
temperature += adjust.Amount; // now that we know they are in the same (preferred) units
result = new Measurement(temperature, units);
_lastMeasurement = result;
OnTemperatureChanged(new MeasurementChangedEventArgs(result));
}
else
{
KegLogger.KegLogException(new TemperatureException("Custom: Unable to Read temperature."), "GetTemperature", SeverityLevel.Warning);
Debug.WriteLine($"Unable to read temperature.");
}
}
catch (Exception ex)
{
Debug.WriteLine("Error, " + ex.Message);
KegLogger.KegLogException(ex, "GetTemperature", SeverityLevel.Critical);
}
return(result);
}