public static void TestDht(ArduinoBoard board)
{
Console.WriteLine("Reading DHT11. Any key to quit.");
DhtSensor?handler = board.GetCommandHandler <DhtSensor>();
if (handler == null)
{
Console.WriteLine("DHT Command handler not available.");
return;
}
while (!Console.KeyAvailable)
{
// Read from DHT11 at pin 3
if (handler.TryReadDht(3, 11, out var temperature, out var humidity))
{
Console.WriteLine($"Temperature: {temperature}, Humidity {humidity}");
}
private static void TestFrequency(ArduinoBoard board)
{
Console.Write("Which pin number to use? ");
string?input = Console.ReadLine();
if (input == null)
{
return;
}
if (!int.TryParse(input, out int pin))
{
return;
}
FrequencySensor?sensor = board.GetCommandHandler <FrequencySensor>();
if (sensor == null)
{
Console.WriteLine("Frequency handling software module missing");
return;
}
try
{
sensor.EnableFrequencyReporting(pin, FrequencyMode.Rising, 500);
while (!Console.KeyAvailable)
{
var f = sensor.GetMeasuredFrequency();
Console.Write($"\rFrequency at GPIO{pin}: {f} ");
Thread.Sleep(100);
}
}
finally
{
sensor.DisableFrequencyReporting(pin);
}
Console.ReadKey(true);
Console.WriteLine();
}
public static void DisplayModes(ArduinoBoard board)
{
const int ButtonPin = 2;
const int MaxMode = 10;
Length stationAltitude = Length.FromMeters(650);
int mode = 0;
var gpioController = board.CreateGpioController();
GpioButton button = new GpioButton(ButtonPin, gpioController, false, PinMode.Input, TimeSpan.FromMilliseconds(200));
CharacterDisplay disp = new CharacterDisplay(board);
Console.WriteLine("Display output test");
Console.WriteLine("The button on GPIO 2 changes modes");
Console.WriteLine("Press x to exit");
disp.Output.ScrollUpDelay = TimeSpan.FromMilliseconds(500);
AutoResetEvent buttonClicked = new AutoResetEvent(false);
void ChangeMode(object?sender, EventArgs pinValueChangedEventArgs)
{
mode++;
if (mode > MaxMode)
{
// Don't change back to 0
mode = 1;
}
buttonClicked.Set();
}
button.Press += ChangeMode;
var device = board.CreateI2cDevice(new I2cConnectionSettings(0, Bmp280.DefaultI2cAddress));
Bmp280?bmp;
try
{
bmp = new Bmp280(device);
bmp.StandbyTime = StandbyTime.Ms250;
bmp.SetPowerMode(Bmx280PowerMode.Normal);
}
catch (IOException)
{
bmp = null;
Console.WriteLine("BMP280 not available");
}
DhtSensor?dht = board.GetCommandHandler <DhtSensor>();
if (dht == null)
{
// Note that this is a software error, hardware support is not tested here.
Console.WriteLine("DHT Sensor module missing");
return;
}
OpenHardwareMonitor hardwareMonitor = new OpenHardwareMonitor();
hardwareMonitor.EnableDerivedSensors();
TimeSpan sleeptime = TimeSpan.FromMilliseconds(500);
string modeName = string.Empty;
string previousModeName = string.Empty;
int firstCharInText = 0;
while (true)
{
if (Console.KeyAvailable && Console.ReadKey(true).KeyChar == 'x')
{
break;
}
// Default
sleeptime = TimeSpan.FromMilliseconds(500);
switch (mode)
{
case 0:
modeName = "Display ready";
disp.Output.ReplaceLine(1, "Button for mode");
// Just text
break;
case 1:
{
modeName = "Time";
disp.Output.ReplaceLine(1, DateTime.Now.ToLongTimeString());
sleeptime = TimeSpan.FromMilliseconds(200);
break;
}
case 2:
{
modeName = "Date";
disp.Output.ReplaceLine(1, DateTime.Now.ToShortDateString());
break;
}
case 3:
modeName = "Temperature / Barometric Pressure";
if (bmp != null && bmp.TryReadTemperature(out Temperature temp) && bmp.TryReadPressure(out Pressure p2))
{
Pressure p3 = WeatherHelper.CalculateBarometricPressure(p2, temp, stationAltitude);
disp.Output.ReplaceLine(1, string.Format(CultureInfo.CurrentCulture, "{0:s1} {1:s1}", temp, p3));
}