public void DataReceived(object sender, SerialDataReceivedEventArgs e)
{
if (!Port.IsOpen)
{
return;
}
_TempString += Port.ReadExisting();
if (_TempString.Contains("\r\n"))
{
#if DEBUG
Console.WriteLine(_TempString);
#endif
string commandResponse = _TempString.Substring(0, _TempString.IndexOf("\r\n") + 2);
_TempString = _TempString.Replace(commandResponse, "");
//========== ismeterconnected request (returns software version) ==========
if (commandResponse.StartsWith("?"))
{
if (commandResponse.Split(new char [] { '.' }).Length == 3)
{
_MeterResponded = true;
}
}
if (commandResponse.StartsWith("S "))
{
_MeterResponded = true;
}
//========== serial number response ==========
if (commandResponse.StartsWith("@"))
{
_MeterResponded = true;
SerialNumber = commandResponse.Split(new char[] { ' ' })[1].Replace('\"', ' ').Trim();
#if DEBUG
Console.WriteLine("SerialNumber: " + SerialNumber);
#endif
}//if
//========== patient record response ==========
else if (commandResponse.StartsWith("P"))
{
if (!_HeaderRead)
{
//first row of P records is the header
_HeaderRead = true;
_RecordCount = 0;
string[] header = commandResponse.Split(new char[] { ',' });
SampleCount = int.Parse(header[0].Split(new char[] { ' ' })[1]);
SerialNumber = header[1].Replace("\"", "");
SampleFormat = header[2].Substring(header[2].IndexOf('\"') + 1, header[2].LastIndexOf('\"') - (header[2].IndexOf('\"') + 1)).ToLower().Trim() == "mg/dl" ? SampleFormat.MGDL : SampleFormat.MMOL;
#if DEBUG
Console.WriteLine("SampleCount: " + SampleCount);
Console.WriteLine("SampleFormat: " + SampleFormat.ToString());
Console.WriteLine("SerialNumber: " + SerialNumber);
#endif
OnHeaderRead(new HeaderReadEventArgs(SampleCount, this));
}//if
else
{
//all other P records are glucose records
Console.WriteLine("Record: " + commandResponse);
string[] parsedMsg = commandResponse.Replace("\"", "").Replace(" ", "").Split(new char[] { ',' });
string[] parsedDate = parsedMsg[1].Split(new char[] { '/' });
string[] parsedTime = parsedMsg[2].Split(new char[] { ':' });
try
{
DateTime dtTimeStamp = new DateTime(int.Parse(parsedDate[2].ToString()), int.Parse(parsedDate[0].ToString()), int.Parse(parsedDate[1].ToString()), int.Parse(parsedTime[0].ToString()), int.Parse(parsedTime[1].ToString()), int.Parse(parsedTime[2].ToString()));
if (dtTimeStamp.Year < 100)
{
//two digit year encountered (all dates are assumed to be in 2000+)
dtTimeStamp = dtTimeStamp.AddYears(2000);
}//if
OnRecordRead(new RecordReadEventArgs(Records.AddRecordRow(dtTimeStamp, Int32.Parse(parsedMsg[3].ToString()), "mg/dl")));//always returns data in mg/dl
}//try
catch { }
finally
{
++_RecordCount;
}
if (_RecordCount == SampleCount)
{
//all records read so close the port and dispose
OnReadFinished(new ReadFinishedEventArgs(this));
Dispose();
} //if
}
} //elseif
} //if
}
