/// <summary>
/// Read incoming data from the microcontroller stream
/// </summary>
public MMazeEvent ReadStream()
{
if (MicrocontrollerStream != null && MicrocontrollerStream.CanRead)
{
//Create a 64-byte buffer to read data from the microcontroller
Byte[] arr = new Byte[64];
//Read data from the stream
try
{
int bytes_read = MicrocontrollerStream.Read(arr, 0, arr.Length);
//Byte 2 should indicate what kind of data is coming in
byte data_type = arr[2];
if (data_type == 'S')
{
//Byte 3 indicates the kind of event that occurred
MMazeEventNames e = MMazeEventNamesConverter.ConvertShortDescriptionToMMazeEventType(Convert.ToChar(arr[3]));
//Return the new event that we have read in
return(new MMazeEvent(DateTime.Now, e));
}
else if (data_type == 'D')
{
//What is the D command?
}
else if (data_type == 'J')
{
//What is the J commmand?
}
}
catch (TimeoutException e)
{
return(new MMazeEvent()
{
EventType = MMazeEventNames.Undefined
});
}
}
//Return null in the case that no event was read from the stream
return(null);
}
/// <summary>
/// Converts an event type to a string description.
/// </summary>
/// <param name="thresholdType">Event type</param>
/// <returns>String description of the event type.</returns>
public static string ConvertToDescription(MMazeEventNames thresholdType)
{
FieldInfo fi = thresholdType.GetType().GetField(thresholdType.ToString());
DescriptionAttribute[] attributes =
(DescriptionAttribute[])fi.GetCustomAttributes(
typeof(DescriptionAttribute),
false);
if (attributes != null &&
attributes.Length > 0)
{
return(attributes[0].Description);
}
else
{
return(thresholdType.ToString());
}
}
/// <summary>
/// Constructor that takes an event time and type
/// </summary>
/// <param name="t"></param>
/// <param name="e"></param>
public MMazeEvent(DateTime t, MMazeEventNames e)
{
EventTime = t;
EventType = e;
}