protected virtual void OnDataReceived(SensorDataEventArgs e)
{
if (DataReceived != null)
{
DataReceived(this, e);
}
}
/**
* This method records on a timer the data measured by the temperature, brightness, and soil moisture sensor,
* then organizes all of the information collected.
* */
private async void timerCallback(object state)
{
//ensures that the temperature sensor is initialized before it is measured from
if (BMP280 == null)
{
Debug.WriteLine("BMP280 is null");
}
else
{
//receives the value from the temperature sensor and saves
//the data in the SensorDataEventArgs class, which holds
//the sensor name, the data point, and the time the value was measured.
//this data is then sent back to the main page and the UI is adjusted based
//off of the measurement.
//float currentTemperature = (float) rand.NextDouble() * 10;
float currentTemperature = await BMP280.ReadTemperature();
var tempArgs = new SensorDataEventArgs()
{
SensorName = "Temperature",
SensorValue = currentTemperature,
Timestamp = DateTime.Now
};
OnDataReceived(tempArgs);
}
//MCP3008 is an ADC and checks to see if this is initialized.
//the soil moisture sensor and the photocell are on different channels of the ADC
if (mcp3008 == null)
{
Debug.WriteLine("mcp3008 is null");
}
else
{
//The first line reads a value from the ADC from the photo cell sensor usually between 0 and 1023.
//then the second line maps this number to a voltage that represents this number
int cdsReadVal = mcp3008.ReadADC(CDSADCChannel);
float cdsVoltage = mcp3008.ADCToVoltage(cdsReadVal);
//float currentBrightness = (float)rand.NextDouble() * 10;
float currentBrightness = cdsVoltage;
var brightnessArgs = new SensorDataEventArgs()
{
SensorName = "Brightness",
SensorValue = currentBrightness,
Timestamp = DateTime.Now
};
OnDataReceived(brightnessArgs);
//float currentSoilMoisture = (float)rand.NextDouble() * 10;
float currentSoilMoisture = mcp3008.ReadADC(SoilMoistureChannel);
Debug.WriteLine(currentSoilMoisture);
var soilmoistureArgs = new SensorDataEventArgs()
{
SensorName = "SoilMoisture",
SensorValue = currentSoilMoisture,
Timestamp = DateTime.Now
};
OnDataReceived(soilmoistureArgs);
}
}
/**
* updates the UI when the sensors make a new reading
* */
private async void SensorProvider_DataReceived(object sender, SensorDataEventArgs e)
{
String format = formatOfSensorValue(e.SensorValue);
String nextValue = e.SensorValue + "," + DateTime.Now + Environment.NewLine;
SolidColorBrush ellipseFill;
switch (e.SensorName)
{
case "Brightness":
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
currentBrightness = e.SensorValue;
float suggestionBrightness = idealBrightness - e.SensorValue;
CurrentBrightnessNumber.Text = e.SensorValue.ToString(format);
OurSuggestionNumberBrightness.Text = suggestionBrightness.ToString(format);
ellipseFill = FigureOutFill(suggestionBrightness);
BrightnessOutsideEllipse.Fill = ellipseFill;
BrightnessUnitsMain.Foreground = ellipseFill;
IdealBrightnessText.Foreground = ellipseFill;
IdealBrightnessNumber.Foreground = ellipseFill;
CurrentBrightnessNumber.Foreground = ellipseFill;
CurrentBrightnessText.Foreground = ellipseFill;
OurSuggestionTextBrightness.Foreground = ellipseFill;
OurSuggestionNumberBrightness.Foreground = ellipseFill;
App.BrightnessList.Add(nextValue);
});
break;
case "Temperature":
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
currentTemperature = e.SensorValue;
float suggestionTemperature = idealTemperature - e.SensorValue;
CurrentTemperatureNumber.Text = e.SensorValue.ToString(format);
OurSuggestionNumberTemperature.Text = suggestionTemperature.ToString(format);
ellipseFill = FigureOutFill(suggestionTemperature);
TemperatureOutsideEllipse.Fill = ellipseFill;
TemperatureUnitsMain.Foreground = ellipseFill;
IdealTemperatureText.Foreground = ellipseFill;
IdealTemperatureNumber.Foreground = ellipseFill;
CurrentTemperatureNumber.Foreground = ellipseFill;
CurrentTemperatureText.Foreground = ellipseFill;
OurSuggestionTextTemperature.Foreground = ellipseFill;
OurSuggestionNumberTemperature.Foreground = ellipseFill;
App.TemperatureList.Add(nextValue);
});
break;
case "SoilMoisture":
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
currentSoilMoisture = e.SensorValue;
float suggestionSoilMoisture = idealSoilMoisture - e.SensorValue;
CurrentSoilMoistureNumber.Text = e.SensorValue.ToString(format);
OurSuggestionNumberSoilMoisture.Text = suggestionSoilMoisture.ToString(format);
ellipseFill = FigureOutFill(suggestionSoilMoisture);
SoilMoistureOutsideEllipse.Fill = ellipseFill;
SoilMoistureUnitsMain.Foreground = ellipseFill;
IdealSoilMoistureText.Foreground = ellipseFill;
IdealSoilMoistureNumber.Foreground = ellipseFill;
CurrentSoilMoistureNumber.Foreground = ellipseFill;
CurrentSoilMoistureText.Foreground = ellipseFill;
OurSuggestionTextSoilMoisture.Foreground = ellipseFill;
OurSuggestionNumberSoilMoisture.Foreground = ellipseFill;
App.SoilMoistureList.Add(nextValue);
});
break;
}
}