private void Barometer_PressureChanged(object sender, BarometerValue e)
{
System.Diagnostics.Debug.WriteLine("Barometric pressure: " + e.Pressure.ToString() + " Temp:" + e.Temperature.ToString());
graphCtrl1.AddValue(e.Pressure);
graphCtrl2.AddValue(e.Temperature);
graphCtrl1.Title = "Pressure [hPa]: " + e.Pressure.ToString("F2");
graphCtrl2.Title = "Temperature: " + e.Temperature.ToString("F2");
}
/// <summary>
/// Start notification on a specified barometer value
/// </summary>
/// <param name="value">Barometer value to start being notified</param>
/// <returns>true if the operation succeeded, false otherwise</returns>
public async Task <bool> StartNotification(BarometerValue value)
{
bool ret;
// List characteristics
ret = await InitCharacteristics();
if (ret)
{
// Look for the selected characteristic
BleGattCharacteristic baro_characteristic = _barometer_characteristics[value];
ret = await BleDevice.RegisterValueNotificationAsync(baro_characteristic, OnBarometerNotification);
}
return(ret);
}
/// <summary>
/// Read a specified barometer value
/// </summary>
/// <param name="value">Barometer value to read</param>
/// <returns>true if the operation succeeded, false otherwise</returns>
public async Task <ReadBarometerValueResult> ReadBarometerValue(BarometerValue value)
{
ReadBarometerValueResult ret = new ReadBarometerValueResult();
// List characteristics
ret.Success = await InitCharacteristics();
if (ret.Success)
{
// Look for the selected characteristic
BleValue val = new BleValue();
BleGattCharacteristic baro_characteristic = _barometer_characteristics[value];
ret.Success = await BleDevice.ReadValueAsync(baro_characteristic, val);
if (ret.Success)
{
switch (value)
{
case BarometerValue.Pressure:
{
ret.PressureValue = val.ToUInt32();
break;
}
case BarometerValue.Temperature:
{
ret.TemperatureValue = val.ToInt16();
break;
}
default:
{
ret.Success = false;
break;
}
}
}
}
return(ret);
}
