// Display value on 8x8 LED Matrix using TinyFont
private void displayDataOn8x8()
{
double value = sensordata.temperature;
Color color = Colors.Blue;
switch (count)
{
case 1:
value = double.Parse(senseHat.Sensors.Humidity.ToString());
color = Colors.Red;
break;
default:
value = sensordata.temperature;
color = Colors.Blue;
break;
}
display = senseHat.Display;
display.Clear();
tinyFont.Write(display, ((int)Math.Round(value)).ToString(), color);
display.Update();
count++;
// Reset counter to 0 so that the LED matrix can show temperature value
if (count > 1)
{
count = 0;
}
}
private void AskTempState()
{
if (!askTempInitialized)
{
if (isDayTime())
{
tempToConfirm = forecastHighTemp;
}
else
{
tempToConfirm = forecastLowTemp;
}
userHasMadeTempChoice = false;
userAgreeWithTemp = false;
display.Clear();
display.Fill(Colors.Black);
tinyFont.Write(display, tempToConfirm, textColor);
display.Update();
askTempInitialized = true;
}
else
{
if (keyStateChanged)
{
// ask user to agree (up/down with green) or disagree(left/right with red) temperature forecast
if ((lastButtonState == ButtonStates.LEFT) || (lastButtonState == ButtonStates.RIGHT))
{
userAgreeWithTemp = false;
userHasMadeTempChoice = true;
display.Clear();
display.Fill(Colors.Red);
tinyFont.Write(display, tempToConfirm, textColor);
display.Update();
}
else if ((lastButtonState == ButtonStates.UP) || (lastButtonState == ButtonStates.DOWN))
{
userAgreeWithTemp = true;
userHasMadeTempChoice = true;
display.Clear();
display.Fill(Colors.Green);
tinyFont.Write(display, tempToConfirm, textColor);
display.Update();
}
else
{
if (!userHasMadeTempChoice)
{
return;
}
currentState = States.ASK_FORECAST;
askForecastInitialized = false;
stateChanged = true;
LogStateChange();
}
}
}
}
private async void Timer_TickAsync(ThreadPoolTimer timer)
{
// Update and Initialize all Sensors
UpdateAllSensors();
if (_senseHat.Sensors.Temperature.HasValue)
{
// Read and Send Telemetry
var telemetry = GetDeviceTelemetry();
await _conn.SendEvent(JsonConvert.SerializeObject(telemetry));
Debug.WriteLine($"Message send to IoTHub: {JsonConvert.SerializeObject(telemetry)}");
var result = await _conn.ReceiveEvent();
if (!String.IsNullOrEmpty(result))
{
Debug.WriteLine("Message received from IoTHub: " + result);
Random r = new Random();
_color = Color.FromArgb((byte)r.Next(), (byte)r.Next(), (byte)r.Next(), (byte)r.Next());
}
_senseHat.Display.Clear();
_tinyFont.Write(_senseHat.Display, telemetry.Temperature.ToString().Substring(0, 2), _color);
_senseHat.Display.Update();
}
else
{
Debug.WriteLine("Unable to Initialize SenseHat!");
}
}
public async Task LogAction(double obj)
{
await Task.Run(() =>
{
var tinyFont = new TinyFont();
ISenseHatDisplay display = _senseHat.Display;
double humidityValue = obj;
int humidity = (int)Math.Round(humidityValue);
string text = humidity.ToString();
if (text.Length > 2)
{
// Too long to fit the display!
text = "**";
}
display.Clear();
Color color;
color = GetTextColor(humidity);
tinyFont.Write(display, text, color);
display.Update();
});
}
public override void Run()
{
var tinyFont = new TinyFont();
ISenseHatDisplay display = SenseHat.Display;
while (true)
{
SenseHat.Sensors.HumiditySensor.Update();
if (SenseHat.Sensors.Temperature.HasValue)
{
int temperature = (int)Math.Round(SenseHat.Sensors.Temperature.Value);
string text = temperature.ToString();
if (text.Length > 2)
{
// Too long to fit the display!
text = "**";
}
display.Clear();
tinyFont.Write(display, text, Colors.White);
display.Update();
// Sleep quite some time; the temperature usually change quite slowly...
Sleep(TimeSpan.FromSeconds(5));
}
else
{
// Rapid update until there is a temperature reading.
Sleep(TimeSpan.FromSeconds(0.5));
}
}
}
public override void Run()
{
var tinyFont = new TinyFont();
Cpu cpu = new Cpu();
double temp_calibrated;
ISenseHatDisplay display = SenseHat.Display;
TemperatureUnit unit = TemperatureUnit.Celcius; // The wanted temperature unit.
string unitText = GetUnitText(unit); // Get the unit as a string.
while (true)
{
SenseHat.Sensors.HumiditySensor.Update();
if (SenseHat.Sensors.Temperature.HasValue)
{
double temperatureValue = ConvertTemperatureValue(unit, SenseHat.Sensors.Temperature.Value);
double?cpu_temp = cpu.GetTemperature();
if (cpu_temp != null)
{
temp_calibrated = temperatureValue - (((double)cpu_temp - temperatureValue) / 0.79);
}
else
{
temp_calibrated = temperatureValue;
}
int temperature = (int)Math.Round((double)temp_calibrated);
string text = temperature.ToString();
if (text.Length > 2)
{
// Too long to fit the display!
text = "**";
}
display.Clear();
tinyFont.Write(display, text, Color.Blue);
display.Update();
SetScreenText?.Invoke($"{temperatureValue:0.0} {unitText}"); // Update the MainPage (if it's utilized; i.e. not null).
// Sleep quite some time; the temperature usually change quite slowly...
Sleep(TimeSpan.FromSeconds(5));
}
else
{
// Rapid update until there is a temperature reading.
Sleep(TimeSpan.FromSeconds(0.5));
}
}
}
private async Task CollectSensorDataAsync(IProgress <Measurement> progress)
{
using (ISenseHat senseHat = await SenseHatFactory.GetSenseHat())
{
while (Closing == false)
{
try
{
senseHat.Sensors.HumiditySensor.Update();
senseHat.Sensors.PressureSensor.Update();
var measurement = new Measurement()
{
Temperature = (senseHat.Sensors.Temperature ?? 0) - 12.5,
Humidity = senseHat.Sensors.Humidity ?? 0,
Pressure = senseHat.Sensors.Pressure ?? 0,
};
#region SenseHAT LED
senseHat.Display.Clear();
int temperature = (int)Math.Round(measurement.Temperature);
string temperatureText = temperature.ToString();
tinyFont.Write(senseHat.Display, temperatureText, Colors.Aqua);
senseHat.Display.Screen[2, 5] = Colors.Orange;
senseHat.Display.Screen[4, 5] = Colors.Orange;
senseHat.Display.Screen[5, 5] = Colors.Orange;
senseHat.Display.Screen[4, 6] = Colors.Orange;
senseHat.Display.Screen[4, 7] = Colors.Orange;
senseHat.Display.Screen[5, 7] = Colors.Orange;
senseHat.Display.Update();
#endregion
progress.Report(measurement);
//await AzureIoTHub.SendDeviceToCloudMessageAsync(measurement);
}
catch (Exception e)
{
Debug.WriteLine("Exception: " + e.Message);
}
await Task.Delay(5000);
}
}
}
public override void Run()
{
temperaturestate = true;
var tinyFont = new TinyFont();
ISenseHatDisplay display = SenseHat.Display;
TemperatureUnit unit = TemperatureUnit.Celcius; //we want celcius :v
string unitText = GetUnitText(unit);
while (temperaturestate == true)
{
SenseHat.Sensors.HumiditySensor.Update();
if (SenseHat.Sensors.Temperature.HasValue)
{
double temperatureValue = ConvertTemperatureValue(unit, SenseHat.Sensors.Temperature.Value);
int temperature = (int)Math.Round(temperatureValue);
string text = temperature.ToString();
if (text.Length > 2)
{
// too long to display :'v
text = "**";
}
display.Clear();
tinyFont.Write(display, text, Colors.White);
display.Update();
SetScreenText?.Invoke($"{temperatureValue:0:1} {unitText}");
Sleep(TimeSpan.FromSeconds(2));
temperaturestate = false;
}
else
{
//rapid update until value is available
Sleep(TimeSpan.FromSeconds(0.5));
}
ActionRunner.Run(senseHat => HomeSelector.GetAction(senseHat, SetScreenText));
}
}
private void state(string text, ISenseHat _senseHat)
{
var tinyFont = new TinyFont();
ISenseHatDisplay display = _senseHat.Display;
if (text.Length > 2)
{
// Too long to fit the display!
text = "**";
}
display.Clear();
tinyFont.Write(display, text, Colors.White);
display.Update();
}
public void Write(string text, Color color, DisplayDirection rotation = DisplayDirection.Deg0)
{
SenseHat.Display.Reset();
SenseHat.Display.Direction = rotation;
if (text.Length > 2)
{
// Too long to fit the display!
text = text.Substring(0, 2);
}
var tinyFont = new TinyFont();
SenseHat.Display.Clear();
tinyFont.Write(SenseHat.Display, text, color);
SenseHat.Display.Update();
}
public override void Run()
{
pressurestate = true;
var tinyFont = new TinyFont();
ISenseHatDisplay display = SenseHat.Display;
while (pressurestate == true)
{
SenseHat.Sensors.PressureSensor.Update();
if (SenseHat.Sensors.Pressure.HasValue)
{
double pressurevalue = SenseHat.Sensors.Pressure.Value;
int pressure = (int)Math.Round(pressurevalue / 1000);
string text = pressure.ToString();
if (text.Length > 2)
{
// too long to display :'v
text = "**";
}
display.Clear();
tinyFont.Write(display, text, Colors.IndianRed);
display.Update();
SetScreenText?.Invoke($"{pressure:0:1}");
Sleep(TimeSpan.FromSeconds(2));
pressurestate = false;
}
else
{
Sleep(TimeSpan.FromSeconds(0.5));
}
ActionRunner.Run(senseHat => HomeSelector.GetAction(senseHat, SetScreenText));
}
}
public override void Run()
{
humiditystate = true;
var tinyFont = new TinyFont();
ISenseHatDisplay display = SenseHat.Display;
while (humiditystate == true)
{
SenseHat.Sensors.HumiditySensor.Update();
if (SenseHat.Sensors.Humidity.HasValue)
{
double humidityValue = SenseHat.Sensors.Humidity.Value;
int humidity = (int)Math.Round(humidityValue);
string text = humidity.ToString();
if (text.Length > 2)
{
text = "**";
}
display.Clear();
tinyFont.Write(display, text, Colors.Blue);
display.Update();
SetScreenText?.Invoke($"{humidityValue:0:1}");
Sleep(TimeSpan.FromSeconds(2));
humiditystate = false;
}
else
{
Sleep(TimeSpan.FromSeconds(0.5));
}
ActionRunner.Run(senseHat => HomeSelector.GetAction(senseHat, SetScreenText));
}
}
private async Task <List <string> > TheWholeThing(int theIndexNumberWhichIsCool)
{
StorageFile file = await storageFolder.CreateFileAsync(fileName,
CreationCollisionOption.OpenIfExists);
ISenseHat senseHat = await SenseHatFactory.GetSenseHat().ConfigureAwait(false);
ISenseHatDisplay display = senseHat.Display;
var exceptionSave = new List <string>();
//Connect to the senseHat & Clear the display
var tinyFont = new TinyFont();
string myText = theIndexNumberWhichIsCool.ToString();
if (myText.Length > 2)
{
myText = myText.Substring(0, 2);
}
for (int i = 0; i < 5; ++i)
{
display.Clear();
tinyFont.Write(display, myText, Windows.UI.Colors.Green);
display.Update();
//_waitEvent.Wait(TimeSpan.FromMilliseconds(100));
display.Clear();
//display.Update();
//_waitEvent.Wait(TimeSpan.FromMilliseconds(200));
}
//Reading Temperature
CustomData myTemperatureReading = new CustomData
{
value = "",
timestamp = "",
dataType = "te",
sensorID = sensorID
};
senseHat.Sensors.HumiditySensor.Update();
for (int i = 0; i <= 3; ++i)
{
if (senseHat.Sensors.Temperature.HasValue)
{
myTemperatureReading.timestamp = getTimeNow().ToString(timeStampFormat);
var ttt = senseHat.Sensors.Temperature.Value;
myTemperatureReading.value = ttt.ToString();
break;
}
//else _waitEvent.Wait(TimeSpan.FromMilliseconds(100));
}
string temperatureReadingString = JsonConvert.SerializeObject(myTemperatureReading);
//Read Acceleration
CustomData myAccelerationReading = new CustomData
{
value = "",
timestamp = "",
dataType = "ac",
sensorID = sensorID
};
senseHat.Sensors.ImuSensor.Update();
for (int i = 0; i <= 3; ++i)
{
if (senseHat.Sensors.Acceleration.HasValue)
{
myAccelerationReading.timestamp = getTimeNow().ToString(timeStampFormat);
myAccelerationReading.value = senseHat.Sensors.Acceleration.Value.ToString();
break;
}
//else _waitEvent.Wait(TimeSpan.FromMilliseconds(100));
}
string accelerationReadingString = JsonConvert.SerializeObject(myAccelerationReading);
//send data to Azure
var message = new Message(Encoding.ASCII.GetBytes(temperatureReadingString));
try
{
await DeviceClient.SendEventAsync(message);
}
catch
{
Debug.WriteLine("Sending temperature data to cloud failed.");
await FileIO.AppendTextAsync(file, temperatureReadingString);
exceptionSave.Add(temperatureReadingString);
}
message = new Message(Encoding.ASCII.GetBytes(accelerationReadingString));
try
{
await DeviceClient.SendEventAsync(message);
}
catch
{
Debug.WriteLine("Sending acceleration data to cloud failed.");
await FileIO.AppendTextAsync(file, accelerationReadingString);
exceptionSave.Add(accelerationReadingString);
}
//Reading
using (IRandomAccessStream textStream = await file.OpenReadAsync())
{
using (DataReader textReader = new DataReader(textStream))
{
uint textLength = (uint)textStream.Size;
await textReader.LoadAsync(textLength);
Debug.WriteLine(textReader.ReadString(textLength));
}
}
return(exceptionSave);
}
