public void DataReceived(object sender, System.IO.Ports.SerialDataReceivedEventArgs e)
{
_TempString += Port.ReadExisting();
//Get number of samples on meter
if (!_NumResultsRead && (_TempString.Contains(Statics.GetStringFromAsciiCode((byte)AsciiCodes.ENQ)) || _TempString.Contains(Statics.GetStringFromAsciiCode((byte)AsciiCodes.ACK))))
{
switch (_CountStep)
{
case 0: Port.Write(new byte[] { 0x15 }, 0, 1);
_CountStep++;
break;
case 1: Port.Write(new byte[] { 0x05 }, 0, 1);
_CountStep++;
break;
case 2: Port.Write("R|");
_CountStep++;
break;
case 3: Port.Write("M|");
_CountStep++;
break;
case 4: Port.Write(new byte[] { 0x39, 0x37, 0x0d, 0x0a }, 0, 4);
_CountStep++;
System.Threading.Thread.Sleep(1000);
break;
case 5: _NumResultsRead = true;
try
{
byte[] temp = Statics.StrToByteArray(_TempString);
string tempCount = _TempString.Substring(_TempString.IndexOf("|") + 1, _TempString.LastIndexOf("|") - _TempString.IndexOf("|") - 1);
SampleCount = Convert.ToInt32(tempCount);
Port.Write(new byte[] { 0x04 }, 0, 1);
_TempString = string.Empty;
_CountStep = 0;
System.Threading.Thread.Sleep(100);
}
catch
{
Port.DataReceived += null;
Port.DiscardInBuffer();
Port.DiscardOutBuffer();
_TestFailed = true;
return;
}
#if DEBUG
Console.WriteLine("SampleCount: " + SampleCount);
#endif
break;
default: break;
}//switch
return;
}//if
else if (_NumResultsRead && !_ConfigRead && (_TempString.Contains(Statics.GetStringFromAsciiCode((byte)AsciiCodes.ENQ)) || _TempString.Contains(Statics.GetStringFromAsciiCode((byte)AsciiCodes.ACK))))
{
switch (_CountStep)
{
case 0: Port.Write(new byte[] { 0x15 }, 0, 1);
_CountStep++;
break;
case 1: Port.Write(new byte[] { 0x05 }, 0, 1);
_CountStep++;
break;
case 2: Port.Write("R|");
_CountStep++;
break;
case 3: Port.Write("C|");
_CountStep++;
break;
case 4: Port.Write(new byte[] { 0x38, 0x44, 0x0d, 0x0a }, 0, 4);
_CountStep++;
System.Threading.Thread.Sleep(1000);
break;
case 5: _ConfigRead = true;
try
{
string[] splitData = _TempString.Split(new char[] { '|' });
System.Collections.BitArray bitary = new System.Collections.BitArray(Byte.Parse(splitData[1]));
SampleFormat = (bitary.Get(2)) ? SampleFormat.MMOL : SampleFormat.MGDL;
Port.Write(new byte[] { 0x04 }, 0, 1);
_CountStep = 0;
_TempString = string.Empty;
}
catch
{
Port.DataReceived += null;
Port.DiscardInBuffer();
Port.DiscardOutBuffer();
_TestFailed = true;
return;
}
#if DEBUG
Console.WriteLine("SampleFormat: " + SampleFormat.ToString());
#endif
break;
default: break;
}//switch
return;
}//else
//if data received is the ENQ to start communications
else if (!_HeaderRead && _TempString.Contains(Statics.GetStringFromAsciiCode((byte)AsciiCodes.ENQ)))
{
Port.Write(Statics.GetStringFromAsciiCode((byte)AsciiCodes.ACK));
RawData += _TempString;
_TempString = String.Empty;
return;
}//if
//if data contains an STX and a following LF then a full frame can be trimmed
else if (_TempString.Contains(Statics.GetStringFromAsciiCode((byte)AsciiCodes.STX)) && _TempString.Substring(_TempString.IndexOf(Statics.GetStringFromAsciiCode((byte)AsciiCodes.STX))).Contains(Statics.GetStringFromAsciiCode((byte)AsciiCodes.LF)))
{
RawData += _TempString;
//full frame encountered (cut out full frame, and remove the STX on the front)
string fullframe = _TempString.Split(new string[] { Statics.GetStringFromAsciiCode((byte)AsciiCodes.CR) }, StringSplitOptions.None)[0].Replace(Statics.GetStringFromAsciiCode((byte)AsciiCodes.STX), "");
//trim off the frame as more data may be in the buffer
_TempString = _TempString.Substring(_TempString.LastIndexOf(Statics.GetStringFromAsciiCode((byte)AsciiCodes.LF)) + 1);
#region HeaderRecord
if (fullframe[1] == 'H')
{
_HeaderRead = true;
string[] headerrecord = fullframe.Split(new char[] { '|' });
string[] typeandserial = headerrecord[4].Split(new char[] { '^' });
string accesspassword = headerrecord[3];
string softwareversion = typeandserial[1].Split(new char[] { '\\' })[0];
string eepromversion = typeandserial[1].Split(new char[] { '\\' })[1];
MeterDescription = typeandserial[0];
string MeterType = typeandserial[0];
SerialNumber = typeandserial[2];
//breeze meters have a product number of 6115
_MeterFound = (MeterType.ToLowerInvariant() == "bayer6115");
if (_TestMode)
{
Port.DataReceived += null;
return;
}
OnHeaderRead(new HeaderReadEventArgs(SampleCount, this));
Console.WriteLine("Header: " + fullframe);
}//if
#endregion
#region Glucose Record
else if (fullframe[1] == 'R')
{
string[] splitrecord = fullframe.Split(new char[] { '|' });
//only if glucose record
if (splitrecord.Length > 10)
{
int year = int.Parse(splitrecord[11].Substring(0, 4));
int month = int.Parse(splitrecord[11].Substring(4, 2));
int day = int.Parse(splitrecord[11].Substring(6, 2));
int hour = int.Parse(splitrecord[11].Substring(8, 2));
int minute = int.Parse(splitrecord[11].Substring(10, 2));
int glucose = int.Parse(splitrecord[3]);
string units = splitrecord[4].Split(new char[] { '^' })[0];
DateTime dtTimeStamp = new DateTime(year, month, day, hour, minute, 0);
//put the record in the dataset and raise the read event
try
{
if (Records.FindByTimestamp(dtTimeStamp) == null)
{
#if DEBUG
Console.WriteLine("Record: " + fullframe);
#endif
OnRecordRead(new RecordReadEventArgs(this._Records.AddRecordRow(dtTimeStamp, glucose, units)));
}//if
else
{
#if DEBUG
Console.WriteLine("DUPLIC: " + fullframe);
#endif
} //else
} //try
catch
{
} //catch
} //if
} //elseif
#endregion
} //else
//end of transmission encountered after a header record is read
else if (_HeaderRead && _TempString.Contains(Statics.GetStringFromAsciiCode((byte)AsciiCodes.EOT)))
{
_HeaderRead = false;
Port.DataReceived -= new System.IO.Ports.SerialDataReceivedEventHandler(DataReceived);
OnReadFinished(new ReadFinishedEventArgs(this));
Close();
Dispose();
return;
}//elseif
//send response
if (_NumResultsRead)
{
Port.Write(Statics.GetStringFromAsciiCode((byte)AsciiCodes.ACK));
}
}
public void DataReceived(object sender, UsbLibrary.DataRecievedEventArgs e)
{
Array.Clear(writeBuffer, 0, writeBuffer.Length);
char[] asciiChars = new char[Encoding.ASCII.GetCharCount(e.data, 0, e.data.Length)];
Encoding.ASCII.GetChars(e.data, 0, e.data.Length, asciiChars, 0);
string newString = new string(asciiChars);
tempString += new string(asciiChars).Substring(5);
tempString = tempString.Replace("\0", string.Empty);
//send read number of results on device message
if (_HeaderRead && !_NumResultsRead && _CountStep <= 3)
{
GetSampleCountMessages();
return;
}
////send read config message
//if (_HeaderRead && _NumResultsRead && !_ConfigRead && _CountStep <= 1)
//{
// GetConfigMessages();
// return;
//}
//preheader
if (tempString.StartsWith(Statics.GetStringFromAsciiCode((byte)AsciiCodes.ENQ)) && tempString.Length == 1)
{
tempString = string.Empty;
writeBuffer[3] = (byte)AsciiCodes.RH;
writeBuffer[4] = (byte)AsciiCodes.ACK;
Port.SpecifiedDevice.SendData(writeBuffer);
return;
}
//new line detected so frame is complete
if (tempString.Contains("\r\n"))
{
tempString = tempString.Split(new string[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries)[0];
//header
if (tempString.Contains(((char)AsciiCodes.STX).ToString() + "1H"))
{
_HeaderRead = true;
ParseHeader(tempString);
tempString = string.Empty;
writeBuffer[3] = (byte)AsciiCodes.RH;
writeBuffer[4] = (byte)AsciiCodes.EOT;
Port.SpecifiedDevice.SendData(writeBuffer);
Thread.Sleep(100);
return;
}
//patient record
if (tempString.Length > tempString.IndexOf((char)AsciiCodes.STX) + 2 && tempString[tempString.IndexOf((char)AsciiCodes.STX) + 2] == 'P')
{
tempString = string.Empty;
}
//terminator record
if (tempString.Length > tempString.IndexOf((char)AsciiCodes.STX) + 2 && tempString[tempString.IndexOf((char)AsciiCodes.STX) + 2] == 'L')
{
tempString = string.Empty;
}
//glucose record
if (tempString.Contains("^^^Glucose"))
{
string[] splitrecord = tempString.Split(new string[] { "|", "\r", "^" }, StringSplitOptions.RemoveEmptyEntries);
int year = int.Parse(splitrecord[7].Substring(0, 4));
int month = int.Parse(splitrecord[7].Substring(4, 2));
int day = int.Parse(splitrecord[7].Substring(6, 2));
int hour = int.Parse(splitrecord[7].Substring(8, 2));
int minute = int.Parse(splitrecord[7].Substring(10, 2));
DateTime dtTimeStamp = new DateTime(year, month, day, hour, minute, 0);
int glucose = int.Parse(splitrecord[3]);
string sampleFormat = splitrecord[4];
this.SampleFormat = sampleFormat.ToLowerInvariant().Contains("mmol") ? SampleFormat.MMOL : SampleFormat.MGDL;
//put the record in the dataset and raise the read event
try
{
if (Records.FindByTimestamp(dtTimeStamp) == null)
{
//only insert non-duplicate records
OnRecordRead(new RecordReadEventArgs(this._Records.AddRecordRow(dtTimeStamp, glucose, sampleFormat)));
RecordsRead++;
} //if
} //try
catch
{
}//catch
tempString = string.Empty;
}
//num results message arrived
if (tempString.Contains("D|") && !_NumResultsRead)
{
//cut message out of string
string message = tempString.Substring(tempString.IndexOf("D|"));
string [] splits = tempString.Split(new string[] { "|" }, StringSplitOptions.RemoveEmptyEntries);
this.SampleCount = Convert.ToInt32(splits[1]);
tempString = string.Empty;
_NumResultsRead = true;
_CountStep = 0;
Thread.Sleep(100);
OnHeaderRead(new HeaderReadEventArgs(SampleCount, this));
//GetConfigMessages();
return;
}
////results format
//if (tempString.Contains("D|") && !_ConfigRead)
//{
// //cut message out of string
// string message = tempString.Substring(tempString.IndexOf("D|"));
// string[] splits = tempString.Split(new string[] { "|" }, StringSplitOptions.RemoveEmptyEntries);
// BitArray bitary = new BitArray(Byte.Parse(splits[1]));
// SampleFormat = (bitary.Get(2)) ? SampleFormat.MMOL : SampleFormat.MGDL;
// tempString = string.Empty;
// _ConfigRead = true;
// _CountStep = 0;
// Thread.Sleep(100);
// return;
//}
}
//end of transmission encountered after a header record is read
if (_HeaderRead && _NumResultsRead && RecordsRead >= SampleCount)
{
_HeaderRead = false;
Port.OnDataRecieved -= new UsbLibrary.DataRecievedEventHandler(DataReceived);
Port.SpecifiedDevice.DataRecieved -= SpecifiedDevice_DataRecieved;
OnReadFinished(new ReadFinishedEventArgs(this));
Close();
Dispose();
return;
}//elseif
if (_NumResultsRead)// && _ConfigRead)
{
Array.Clear(writeBuffer, 0, writeBuffer.Length);
writeBuffer[4] = (byte)AsciiCodes.RH;
writeBuffer[5] = (byte)AsciiCodes.ACK;
Port.SpecifiedDevice.SendData(writeBuffer);
Thread.Sleep(100);
}
}
public void DataReceived(object sender, SerialDataReceivedEventArgs e)
{
if (Port == null || !Port.IsOpen)
{
return;
}
RawData += Port.ReadExisting();
//header already read so grab the records
if (_HeaderRead)
{
using (StringReader reader = new StringReader(RawData))
{
string line;
while ((line = reader.ReadLine()) != null)
{
//end record encountered
if (line.Contains("END"))
{
RawData = String.Empty;
_autoResetEvent.Set();
break;
}//if
else
{
//not end of data file so parse it
string[] linesplit = line.Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);
//add line if its not the end line
if (line != Environment.NewLine && !line.Contains("END") && linesplit.Length > 0 && linesplit[linesplit.Length - 1] == "0x00")
{
RawData = RawData.Replace(line + "\r\n", "");
DateTime dtTimeStamp = DateTime.Parse(line.Substring(5, 18), CultureInfo.InvariantCulture);
try
{
if (Records.FindByTimestamp(dtTimeStamp) == null)
{
#if DEBUG
Console.WriteLine("Record: " + line);
#endif
OnRecordRead(new RecordReadEventArgs(Records.AddRecordRow(dtTimeStamp, Int32.Parse(linesplit[0]), SampleFormat == SampleFormat.MGDL ? "mg/dl" : "mmol")));
}//if
else
{
#if DEBUG
Console.WriteLine("DUPLIC: " + line);
#endif
} //else
} //try
catch
{
#if DEBUG
//glucose was not a number (ex. LO)
Console.WriteLine("NOTNUM: " + line);
#endif
}//catch
line = null;
} //if
} //else
} //while
} //using
} //if
//header record is present
if (!_HeaderRead && RawData.Contains("\r\n\n"))
{
string[] headeranddata = RawData.Split(new string[] { "\r\n\n" }, StringSplitOptions.RemoveEmptyEntries);
string[] header = headeranddata[0].Split(new string[] { Environment.NewLine }, StringSplitOptions.None);
#if DEBUG
Console.WriteLine("Header: " + headeranddata[0]);
#endif
RawData = (headeranddata.Length > 1) ? headeranddata[1] : String.Empty;
//set header read
_HeaderRead = true;
//set serial number
SerialNumber = header[1];
#if DEBUG
Console.WriteLine("SERIAL: " + SerialNumber);
#endif
//set sample count
SampleCount = int.Parse(header[4]);
OnHeaderRead(new HeaderReadEventArgs(SampleCount, this));
}//if
}
