/// <summary>
/// Get one of the supported sensor values from a sensor. The triplet protocol, model and id together identifies a sensor.
/// </summary>
/// <param name="protocol">The protocol returned by GetSensor</param>
/// <param name="model">The model returned by GetSensor</param>
/// <param name="id">The id returned by GetSensor</param>
/// <param name="type">One of the SensorValueTypes returned by GetSensor</param>
/// <returns>A reading with a timestamp for when the value was read.</returns>
public SensorReadingResult GetSensorValue(string protocol, string model, int id, SensorValueType type)
{
using (var valuePointer = new DisposableStringPointer())
{
int timestamp = 0;
var response = NativeMethods.tdSensorValue(protocol, model, id, (int)type, valuePointer.Pointer, 20, ref timestamp);
return new SensorReadingResult
{
Value = valuePointer.Value,
TimeStamp = new DateTime(1970, 1, 1, 0, 0, 0, 0).AddSeconds(timestamp)
};
}
}
/// <summary>
/// Use this function to iterate over all sensors.
/// </summary>
/// <returns>Returns a sensor, if present. Call until Result != Success to enumerate sensors.</returns>
public SensorResult GetSensor()
{
using (var protocol = new DisposableStringPointer())
using (var model = new DisposableStringPointer())
{
int sensorId = 0;
int type = 0;
// Assume no protocol name is longer than 20 characters, and no models are longer than 30 characters
var response = NativeMethods.tdSensor(protocol.Pointer, 20, model.Pointer, 30, ref sensorId, ref type);
return new SensorResult
{
Model = model.Value,
Protocol = protocol.Value,
Result = response,
SensorId = sensorId,
Type = (SensorValueType)type
};
}
}
