// Useful for conversion from mavlink types to our log format.
internal void SetField(string name, object value)
{
if (cache == null)
{
cache = new Dictionary <string, LogField>();
}
cache[name] = new LogField()
{
Name = name,
Value = value,
Parent = this
};
}
/// <summary>
/// Return a data value, and try and timestamp in the x-coordinate
/// </summary>
/// <param name="field"></param>
/// <returns></returns>
public virtual DataValue GetDataValue(string field)
{
LogField result = null;
if (cache == null)
{
cache = new Dictionary <string, Model.LogField>();
// crack the blob
ParseFields();
}
if (!cache.TryGetValue(field, out result))
{
return(null);
}
if (result != null)
{
DataValue dv = new DataValue()
{
X = Timestamp, Y = 0
};
try
{
if (result.Value is double)
{
dv.Y = (double)result.Value;
}
if (result.Value is string)
{
double y = 0;
double.TryParse((string)result.Value, out y);
dv.Y = y;
}
}
catch { }
if (result.Value is string)
{
dv.Label = (string)result.Value;
}
else
{
dv.Label = GetLabel(result);
}
return(dv);
}
return(null);
}
public T GetField <T>(string name)
{
LogField result = null;
if (cache == null)
{
cache = new Dictionary <string, Model.LogField>();
// crack the blob
ParseFields();
}
if (cache.TryGetValue(name, out result))
{
Type t = typeof(T);
if (t == typeof(sbyte)) // b
{
object d = Convert.ToSByte(result.Value);
return((T)d);
}
else if (t == typeof(byte)) // B
{
object d = Convert.ToByte(result.Value);
return((T)d);
}
else if (t == typeof(Int16)) // h
{
object d = Convert.ToInt16(result.Value);
return((T)d);
}
else if (t == typeof(UInt16)) // H
{
object d = Convert.ToUInt16(result.Value);
return((T)d);
}
else if (t == typeof(Int32)) // i
{
object d = Convert.ToInt32(result.Value);
return((T)d);
}
else if (t == typeof(UInt32)) // I
{
object d = Convert.ToUInt32(result.Value);
return((T)d);
}
else if (t == typeof(Int64)) // q
{
object d = Convert.ToInt64(result.Value);
return((T)d);
}
else if (t == typeof(UInt64)) // Q
{
try
{
object d = Convert.ToUInt64(result.Value);
return((T)d);
}
catch
{
}
}
else if (t == typeof(float)) // f
{
object d = Convert.ToSingle(result.Value);
return((T)d);
}
else if (t == typeof(double)) // d
{
object d = Convert.ToDouble(result.Value);
return((T)d);
}
else if (t == typeof(string)) // n, N, Z
{
object d = Convert.ToString(result.Value);
return((T)d);
}
}
return(default(T));
}
