void Initialize()
{
Console.WriteLine("Initialize hardware...");
onboardLed = new RgbPwmLed(device: Device,
redPwmPin: Device.Pins.OnboardLedRed,
greenPwmPin: Device.Pins.OnboardLedGreen,
bluePwmPin: Device.Pins.OnboardLedBlue,
3.3f, 3.3f, 3.3f,
Meadow.Peripherals.Leds.IRgbLed.CommonType.CommonAnode);
var config = new SpiClockConfiguration(3000, SpiClockConfiguration.Mode.Mode3);
var spiBus = Device.CreateSpiBus(Device.Pins.SCK, Device.Pins.MOSI, Device.Pins.MISO, config);
button = Device.CreateDigitalInputPort(Device.Pins.D12, InterruptMode.EdgeRising, ResistorMode.Disabled);
button.Changed += Button_Changed;
//display
display = new St7789(
device: Device,
spiBus: spiBus,
chipSelectPin: Device.Pins.D02,
dcPin: Device.Pins.D01,
resetPin: Device.Pins.D00,
width: 240, height: 240);
graphics = new GraphicsLibrary(display);
graphics.CurrentFont = new Font12x20();
sensor = new Bmp180(Device.CreateI2cBus());
sensor.Updated += Sensor_Updated;
sensor.StartUpdating();
}
void Initialize()
{
Console.WriteLine("Initialize hardware...");
onboardLed = new RgbPwmLed(device: Device,
redPwmPin: Device.Pins.OnboardLedRed,
greenPwmPin: Device.Pins.OnboardLedGreen,
bluePwmPin: Device.Pins.OnboardLedBlue);
onboardLed.SetColor(Color.Red);
var config = new SpiClockConfiguration(
speed: new Frequency(48000, Frequency.UnitType.Kilohertz),
mode: SpiClockConfiguration.Mode.Mode3);
var spiBus = Device.CreateSpiBus(
clock: Device.Pins.SCK,
copi: Device.Pins.MOSI,
cipo: Device.Pins.MISO,
config: config);
var display = new St7789(
device: Device,
spiBus: spiBus,
chipSelectPin: Device.Pins.D02,
dcPin: Device.Pins.D01,
resetPin: Device.Pins.D00,
width: 240, height: 240);
graphics = new MicroGraphics(display);
graphics.CurrentFont = new Font12x20();
button = Device.CreateDigitalInputPort(Device.Pins.D12, InterruptMode.EdgeRising, ResistorMode.Disabled);
button.Changed += Button_Changed;
sensor = new Bmp180(Device.CreateI2cBus());
sensor.Updated += SensorUpdated;
sensor.StartUpdating();
onboardLed.SetColor(Color.Green);
}
public MeadowApp()
{
Console.WriteLine("Initializing...");
// configure our BME280 on the I2C Bus
var i2c = Device.CreateI2cBus();
bmp180 = new Bmp180(i2c);
// Example that uses an IObersvable subscription to only be notified
// when the temperature changes by at least a degree, and humidty by 5%.
// (blowing hot breath on the sensor should trigger)
bmp180.Subscribe(new FilterableObserver <AtmosphericConditionChangeResult, AtmosphericConditions>(
h => {
Console.WriteLine($"Temp and pressure changed by threshold; new temp: {h.New.Temperature}, old: {h.Old.Temperature}");
},
e => {
return(
(Math.Abs(e.Delta.Temperature) > 1)
&&
(Math.Abs(e.Delta.Pressure) > 5)
);
}
));
// classical .NET events can also be used:
bmp180.Updated += (object sender, AtmosphericConditionChangeResult e) => {
Console.WriteLine($"Temperature: {e.New.Temperature}°C, Pressure: {e.New.Pressure}hPa");
};
// get an initial reading
ReadConditions().Wait();
// start updating continuously
bmp180.StartUpdating();
}
