private void DeinitSensors()
{
if (bmp180 != null)
{
bmp180.Dispose();
bmp180 = null;
}
if (bme280 != null)
{
bme280.Dispose();
bme280 = null;
}
if (dhtSensor != null)
{
dhtSensor = null;
dhtPin.Dispose();
dhtPin = null;
}
}
private async Task <bool> InitSensors()
{
Log.Info("Initializing sensors");
OnStatusChanged("Initialising sensors");
// Initialize the BMP180 Sensor
try
{
OnStatusChanged("Initialising sensors..BMP180");
bmp180 = new Bmp180Sensor();
await bmp180.InitializeAsync();
}
catch (Exception ex)
{
Log.Info("BMP180 Init Error", ex);
bmp180 = null;
}
try
{
OnStatusChanged("Initialising sensors..BME280");
bme280 = new BME280Sensor();
// Initialize BME280 Sensor
await bme280.Initialize(0x76);
if (bme280ForceMode)
{
await bme280.SetSampling(SensorMode.MODE_FORCED,
SensorSampling.SAMPLING_X1, // temperature
SensorSampling.SAMPLING_X1, // pressure
SensorSampling.SAMPLING_X1, // humidity
SensorFilter.FILTER_OFF,
StandbyDuration.STANDBY_MS_1000);
}
}
catch (Exception ex)
{
Log.Info("BME280 Init Error", ex);
bme280 = null;
}
try
{
OnStatusChanged("Initialising sensors..DHT22");
GpioController controller = GpioController.GetDefault();
dhtPin = GpioController.GetDefault().OpenPin(DHT22_Pin, GpioSharingMode.Exclusive);
dhtSensor = new Dht22(dhtPin, GpioPinDriveMode.InputPullUp);
}
catch (Exception ex)
{
Log.Info("DHT22 Init Error", ex);
dhtSensor = null;
}
string status = "";
if (bmp180 != null || bme280 != null || dhtSensor != null)
{
if (bmp180 != null)
{
status += "BMP180";
}
if (bme280 != null)
{
if (status.Length > 0)
{
status += ", ";
}
status += "BME280";
}
if (dhtSensor != null)
{
if (status.Length > 0)
{
status += ", ";
}
status += "DHT22";
}
status = $"Found: {status} sensors";
}
else
{
status = "No sensor found";
}
OnStatusChanged(status);
await Task.Delay(500);
Log.Trace($"end");
Log.Info(status);
return(bmp180 != null || bme280 != null || dhtSensor != null);
}