public async Task initSenseHat()
{
// Create sensehat object
senseHat = await SenseHatFactory.Singleton.Create();
// Init font
tinyFont = new TinyFont();
// Init display
display = senseHat.Display;
// Get a copy of the rainbow colors.
senseHat.Display.Reset();
// Recreate the font from the serialized bytes.
BwFont font = BwFont.Deserialize(FontBytes);
// Get the characters to scroll.
IEnumerable<BwCharacter> characters = font.GetChars("Error");
// Create the character renderer.
BwCharacterRenderer characterRenderer = new BwCharacterRenderer(GetCharacterColor);
// Create the text scroller.
textScroller = new TextScroller<BwCharacter>(senseHat.Display, characterRenderer, characters);
// Update forecast for first time
getWeather(currentCity);
// Check joystick every 100 ms
joystickPollTimer = ThreadPoolTimer.CreatePeriodicTimer(pollJoystick, TimeSpan.FromMilliseconds(50));
// Check sensor every 2 s
updateSensorsTimer = ThreadPoolTimer.CreatePeriodicTimer(updateSensors, TimeSpan.FromSeconds(2));
// Get updated weather every 1 minute
forecastUpdateTimer = ThreadPoolTimer.CreatePeriodicTimer(updateForecast, TimeSpan.FromMinutes(1));
}
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));
}
}
}
