public Bme280Controller() { var i2CSettings = new I2cConnectionSettings(1, Bmx280Base.SecondaryI2cAddress); var i2CDevice = I2cDevice.Create(i2CSettings); _bme280 = new Bme280(i2CDevice); SetDefaultConfiguration(); _measurementDuration = _bme280.GetMeasurementDuration(); }
public override bool Configure(string jsonDeviceConfiguration) { var config = DeserializeDeviceConfig <Bme280Configuration>(jsonDeviceConfiguration); var i2CSettings = new I2cConnectionSettings(1, config.I2CAddress); var i2CDevice = I2cDevice.Create(i2CSettings); // TODO: probably requires try catch?! Check device availability _bme280 = new Bme280(i2CDevice); SetDefaultConfiguration(); SetPropertiesFromConfig(config); _measurementDuration = _bme280.GetMeasurementDuration(); return(true); }
protected override async Task ExecuteAsync(CancellationToken stoppingToken) { try { //IHostedService is a singleton. It cannot consume scopped services. //Using the IServiceProvider, and a 'using' create a scope and a GetRequiredServices to create the scoped service using (var scope = Services.CreateScope()) { var _db = scope.ServiceProvider.GetRequiredService <climatepiDBContext>(); var i2cSettings = new I2cConnectionSettings(1, Bme280.SecondaryI2cAddress); using I2cDevice i2cDevice = I2cDevice.Create(i2cSettings); using var bme280 = new Bme280(i2cDevice); int measurementTime = bme280.GetMeasurementDuration(); while (true) { bme280.SetPowerMode(Bmx280PowerMode.Forced); Thread.Sleep(measurementTime); bme280.TryReadTemperature(out var tempValue); bme280.TryReadPressure(out var preValue); bme280.TryReadHumidity(out var humValue); bme280.TryReadAltitude(out var altValue); var condition = new Server.Database.Condition() { LoggedAt = DateTime.UtcNow, DegreesCelsius = tempValue.DegreesCelsius, PressureMillibars = preValue.Millibars, HumidityPercentage = humValue.Percent }; _db.Conditions.Add(condition); await _db.SaveChangesAsync(); //Thread.Sleep(1000); //This works, but it is more often than I need Thread.Sleep(60000); //New reading every 1 minute } } } catch (Exception ex) { } }
/// <summary> /// Entry point for example program /// </summary> /// <param name="args">Command line arguments</param> public static void Main(string[] args) { Console.WriteLine("Hello Bme280!"); // bus id on the raspberry pi 3 const int busId = 1; // set this to the current sea level pressure in the area for correct altitude readings var defaultSeaLevelPressure = WeatherHelper.MeanSeaLevel; var i2cSettings = new I2cConnectionSettings(busId, Bme280.DefaultI2cAddress); var i2cDevice = I2cDevice.Create(i2cSettings); var i2CBmpe80 = new Bme280(i2cDevice); using (i2CBmpe80) { while (true) { // set higher sampling i2CBmpe80.TemperatureSampling = Sampling.LowPower; i2CBmpe80.PressureSampling = Sampling.UltraHighResolution; i2CBmpe80.HumiditySampling = Sampling.Standard; // set mode forced so device sleeps after read i2CBmpe80.SetPowerMode(Bmx280PowerMode.Forced); // wait for measurement to be performed var measurementTime = i2CBmpe80.GetMeasurementDuration(); Thread.Sleep(measurementTime); // read values i2CBmpe80.TryReadTemperature(out var tempValue); i2CBmpe80.TryReadPressure(out var preValue); i2CBmpe80.TryReadHumidity(out var humValue); // Note that if you already have the pressure value and the temperature, you could also calculate altitude by using // var altValue = WeatherHelper.CalculateAltitude(preValue, defaultSeaLevelPressure, tempValue) which would be more performant. i2CBmpe80.TryReadAltitude(defaultSeaLevelPressure, out var altValue); Console.WriteLine($"Temperature: {tempValue.DegreesCelsius:0.#}\u00B0C"); Console.WriteLine($"Pressure: {preValue.Hectopascals:0.##}hPa"); Console.WriteLine($"Altitude: {altValue:0.##}m"); Console.WriteLine($"Relative humidity: {humValue:0.#}%"); // WeatherHelper supports more calculations, such as saturated vapor pressure, actual vapor pressure and absolute humidity. Console.WriteLine($"Heat index: {WeatherHelper.CalculateHeatIndex(tempValue, humValue).DegreesCelsius:0.#}\u00B0C"); Console.WriteLine($"Dew point: {WeatherHelper.CalculateDewPoint(tempValue, humValue).DegreesCelsius:0.#}\u00B0C"); Thread.Sleep(1000); // change sampling and filter i2CBmpe80.TemperatureSampling = Sampling.UltraHighResolution; i2CBmpe80.PressureSampling = Sampling.UltraLowPower; i2CBmpe80.HumiditySampling = Sampling.UltraLowPower; i2CBmpe80.FilterMode = Bmx280FilteringMode.X2; // set mode forced and read again i2CBmpe80.SetPowerMode(Bmx280PowerMode.Forced); // wait for measurement to be performed measurementTime = i2CBmpe80.GetMeasurementDuration(); Thread.Sleep(measurementTime); // read values i2CBmpe80.TryReadTemperature(out tempValue); i2CBmpe80.TryReadPressure(out preValue); i2CBmpe80.TryReadHumidity(out humValue); // Note that if you already have the pressure value and the temperature, you could also calculate altitude by using // var altValue = WeatherHelper.CalculateAltitude(preValue, defaultSeaLevelPressure, tempValue) which would be more performant. i2CBmpe80.TryReadAltitude(defaultSeaLevelPressure, out altValue); Console.WriteLine($"Temperature: {tempValue.DegreesCelsius:0.#}\u00B0C"); Console.WriteLine($"Pressure: {preValue.Hectopascals:0.##}hPa"); Console.WriteLine($"Altitude: {altValue:0.##}m"); Console.WriteLine($"Relative humidity: {humValue:0.#}%"); // WeatherHelper supports more calculations, such as saturated vapor pressure, actual vapor pressure and absolute humidity. Console.WriteLine($"Heat index: {WeatherHelper.CalculateHeatIndex(tempValue, humValue).DegreesCelsius:0.#}\u00B0C"); Console.WriteLine($"Dew point: {WeatherHelper.CalculateDewPoint(tempValue, humValue).DegreesCelsius:0.#}\u00B0C"); Thread.Sleep(5000); } } }
static void Main(string[] args) { Console.WriteLine("Hello Bme280!"); //bus id on the raspberry pi 3 const int busId = 1; //set this to the current sea level pressure in the area for correct altitude readings var defaultSeaLevelPressure = Pressure.MeanSeaLevel; var i2cSettings = new I2cConnectionSettings(busId, Bme280.DefaultI2cAddress); var i2cDevice = I2cDevice.Create(i2cSettings); var i2CBmpe80 = new Bme280(i2cDevice); using (i2CBmpe80) { while (true) { //set higher sampling i2CBmpe80.TemperatureSampling = Sampling.LowPower; i2CBmpe80.PressureSampling = Sampling.UltraHighResolution; i2CBmpe80.HumiditySampling = Sampling.Standard; //set mode forced so device sleeps after read i2CBmpe80.SetPowerMode(Bmx280PowerMode.Forced); // wait for measurement to be performed var measurementTime = i2CBmpe80.GetMeasurementDuration(); Thread.Sleep(measurementTime); //read values i2CBmpe80.TryReadTemperature(out var tempValue); Console.WriteLine($"Temperature: {tempValue.Celsius} \u00B0C"); i2CBmpe80.TryReadPressure(out var preValue); Console.WriteLine($"Pressure: {preValue.Hectopascal} hPa"); i2CBmpe80.TryReadAltitude(defaultSeaLevelPressure, out var altValue); Console.WriteLine($"Altitude: {altValue} meters"); i2CBmpe80.TryReadHumidity(out var humValue); Console.WriteLine($"Humidity: {humValue} %"); Thread.Sleep(1000); //change sampling and filter i2CBmpe80.TemperatureSampling = Sampling.UltraHighResolution; i2CBmpe80.PressureSampling = Sampling.UltraLowPower; i2CBmpe80.HumiditySampling = Sampling.UltraLowPower; i2CBmpe80.FilterMode = Bmx280FilteringMode.X2; //set mode forced and read again i2CBmpe80.SetPowerMode(Bmx280PowerMode.Forced); // wait for measurement to be performed measurementTime = i2CBmpe80.GetMeasurementDuration(); Thread.Sleep(measurementTime); //read values i2CBmpe80.TryReadTemperature(out tempValue); Console.WriteLine($"Temperature: {tempValue.Celsius} \u00B0C"); i2CBmpe80.TryReadPressure(out preValue); Console.WriteLine($"Pressure: {preValue.Hectopascal} hPa"); i2CBmpe80.TryReadAltitude(defaultSeaLevelPressure, out altValue); Console.WriteLine($"Altitude: {altValue} meters"); i2CBmpe80.TryReadHumidity(out humValue); Console.WriteLine($"Humidity: {humValue} %"); Thread.Sleep(5000); } } }
private void ReadSensor(object state) { if (!_debugMode && _bme280 == null) { return; } var readingOK = true; if (!_debugMode) { try { // set mode forced and read again _bme280.SetPowerMode(Bmx280PowerMode.Forced); // wait for measurement to be performed var measurementTime = _bme280.GetMeasurementDuration(); Thread.Sleep(measurementTime); // read values _bme280.TryReadTemperature(out var tempValue); _bme280.TryReadPressure(out var preValue); _bme280.TryReadHumidity(out var humValue); var itsRaining = DigitalIOConnector.Instance.ReadRainSensorDetectsRain(); var rainCorrected = false; if (itsRaining && tempValue.DegreesCelsius >= _maxTemperatureForRain) { itsRaining = false; rainCorrected = true; _logger.Information("Raining sensor corrected ({Temp}° greater than {MaxTempRain}°)", tempValue.DegreesCelsius, _maxTemperatureForRain); } _lastReadingPoint = new Measurement() { TimeStamp = DateTime.Now, Temperature = tempValue.DegreesCelsius, Pressure = preValue.Hectopascals, Humidity = humValue.Percent, DewPoint = WeatherHelper.CalculateDewPoint(tempValue, humValue).DegreesCelsius, Raining = itsRaining, RainCorrected = rainCorrected }; } catch (Exception ex) { readingOK = false; _lastReadingPoint = null; _logger.Error(ex, "Error while reading"); } } else { _lastReadingPoint = new Measurement() { TimeStamp = DateTime.Now, Temperature = (double)_random.Next(1000, 4000) / 100d, Pressure = (double)_random.Next(95000, 110000) / 100d, Humidity = (double)_random.Next(5000, 9000) / 100d, DewPoint = 12.12345d, Raining = _random.Next(0, 1) == 1 }; } OnPropertyChanged(readingOK ? "Reading done" : "Reading Error"); }
public Result <Unit> Init() { _controller = new GpioController(PinNumberingScheme.Logical, new RaspberryPi3Driver()); _controller.OpenPin(Pin.HallBottom, PinMode.InputPullUp); _controller.OpenPin(Pin.HallTop, PinMode.InputPullUp); _controller.OpenPin(Pin.PhotoelectricBarrier, PinMode.InputPullUp); _controller.OpenPin(Pin.MotorEnable, PinMode.Output); _controller.OpenPin(Pin.MotorLeft, PinMode.Output); _controller.OpenPin(Pin.MotorRight, PinMode.Output); _controller.OpenPin(Pin.EmergencyTop, PinMode.InputPullUp); _controller.OpenPin(Pin.DC12_1, PinMode.Output); _controller.OpenPin(Pin.DC12_2, PinMode.Output); //_pwmMotor = new SoftwarePwmChannel(Pin.MotorEnable, 200, 0.1); //_pwmMotor.Start(); _controller.Write(Pin.MotorEnable, PinValue.High); _controller.Write(Pin.MotorLeft, PinValue.Low); _controller.Write(Pin.MotorRight, PinValue.Low); _controller.Write(Pin.DC12_1, PinValue.Low); _controller.Write(Pin.DC12_2, PinValue.Low); Console.WriteLine($"Init sensor"); _bh1750Fvi = new Bh1750fvi(I2cDevice.Create(new I2cConnectionSettings(1, Bh1750fviExtenstion.DefaultI2cAddress))); // 23 _vl53L0X = new Vl53L0X(I2cDevice.Create(new I2cConnectionSettings(1, Vl53L0X.DefaultI2cAddress))); // 29 _bme280 = new Bme280(I2cDevice.Create(new I2cConnectionSettings(1, Bmx280Base.SecondaryI2cAddress))); // 76 _measurementTime = _bme280.GetMeasurementDuration(); _bme280.SetPowerMode(Bmx280PowerMode.Normal); //Thread.Sleep(_measurementTime); //_bme280.TryReadTemperature(out var tempValue); //_bme280.TryReadPressure(out var preValue); //_bme280.TryReadHumidity(out var humValue); //_bme280.TryReadAltitude(out var altValue); //Console.WriteLine($"Temperature: {tempValue.DegreesCelsius:0.#}\u00B0C"); //Console.WriteLine($"Pressure: {preValue.Hectopascals:#.##} hPa"); //Console.WriteLine($"Relative humidity: {humValue.Percent:#.##}%"); //Console.WriteLine($"Estimated altitude: {altValue.Meters:#} m"); _amg88xx = new Amg88xx(I2cDevice.Create(new I2cConnectionSettings(1, Amg88xx.AlternativeI2cAddress))); // 69 try { _mpu9250 = new Mpu9250(I2cDevice.Create(new I2cConnectionSettings(1, Mpu6500.DefaultI2cAddress))); // 68 } catch (IOException e) { Console.WriteLine("AK8963 is exposed, try to connect directly."); _mpu9250 = new Mpu9250(I2cDevice.Create(new I2cConnectionSettings(1, Mpu6500.DefaultI2cAddress)), i2CDeviceAk8963: I2cDevice.Create(new I2cConnectionSettings(1, Ak8963.DefaultI2cAddress))); } _mpu9250.MagnetometerMeasurementMode = MeasurementMode.ContinuousMeasurement100Hz; Thread.Sleep(100); Console.WriteLine($"Finished Init sensor"); Run(); Thread.Sleep(100); Calibrate(); return(Unit.Instance); }