/// <summary>
/// Constructor to setup some prequisites. The serial code of the Ergometer is needed to setup the connection.
/// </summary>
/// <param name="ergometerSerialLastFiveNumbers"></param>
public BLEconnect(System.String ergometerSerialLastFiveNumbers)
{
this.ergometerSerialLastFiveNumbers = ergometerSerialLastFiveNumbers;
bLESimulator = new BLESimulator(ergometerSerialLastFiveNumbers);
init(ergometerSerialLastFiveNumbers);
this.dataHandler = new BLEDataHandler(ergometerSerialLastFiveNumbers);
}
/// <summary>
/// Constructor to setup some prequisites. The serial code of the Ergometer is needed to setup the connection.
/// </summary>
/// <param name="ergometerSerialLastFiveNumbers"></param>
public BLEConnect(string ergometerSerialLastFiveNumbers, IClient iClient, ISim iSim, string patientName, string patientNumber)
{
this.ergometerSerialLastFiveNumbers = ergometerSerialLastFiveNumbers;
this.bLESimulator = new BLESimulator(ergometerSerialLastFiveNumbers);
this.dataHandler = new BLEDataHandler(ergometerSerialLastFiveNumbers, patientName, patientNumber);
this.iClient = iClient;
this.iSim = iSim;
}
/// <summary>
/// Decode data for the heart rate monitor. In this case the only useful value is byte[1], so far the success data transfer rate has been 100%. Therefor the checksum is not used at the moment.
/// </summary>
/// <param name="rawData"></param>
/// <param name="bLEDataHandler"></param>
public static void Decrypt(byte[] rawData, BLEDataHandler bLEDataHandler)
{
;
//byte[] checksum = { rawData[rawData.Length - 1] };
//bool isCorrect = CheckXorValue(rawData, checksum);
int heartRate = rawData[1];
bLEDataHandler.SetHeartrate(heartRate);
}
/// <summary>
/// Run the simulator with a data transfer time of 4Hz, just like the real protocol.
/// </summary>
public void RunSimulator()
{
BLEDataHandler bLEDataHandler = new BLEDataHandler(ergoID);
int i = 0;
List <byte[]> data = new List <byte[]>();
while (true)
{
data = ReadData(ApplicationSettings.GetReadWritePath(ergoID), WriteOption.Ergo);
System.Threading.Thread.Sleep(250);
BLEDecoderErgo.Decrypt(data[i], bLEDataHandler);
if (i >= data.Count - 1)
{
i = 0;
}
i++;
}
}
/// <summary>
/// Decodes the data for all data pages. Hence, when you add a DataPage, also add it here!
/// </summary>
/// <param name="rawData"></param>
/// <param name="bLEDataHandler"></param>
public static void Decrypt(byte[] rawData, BLEDataHandler bLEDataHandler)
{
int messageLength = rawData[1];
byte[] message = rawData.Skip(4).Take(messageLength).ToArray();
int pageNumber = message[0];
byte[] checksum = rawData.Skip(4).Skip(messageLength).ToArray();
bool isCorrect = CheckXorValue(rawData, checksum);
if (isCorrect)
{
if (pageNumber == 16)
{
// decode page 16
double elapsedTime = message[2] * 0.25; //seconds
int distanceTraveled = message[3]; //metres
byte speedLSB = message[4];
byte speedMSB = message[5];
int heartRate = message[6]; // bpm
double speed = ((speedMSB << 8) | speedLSB) / 1000.0 * 3.6; //kmph
double[] data = { elapsedTime, distanceTraveled, speed, heartRate };
bLEDataHandler.addBLEDataForDataPage16(data);
}
else if (pageNumber == 25)
{
// decode page 25
int updateEventCount = message[1]; //count
int instanteousCadence = message[2]; //rpm
byte accumulatedPowerLSB = message[3];
byte accumulatedPowerMSB = message[4];
byte instanteousPowerLSB = message[5];
byte instanteousPowerMSB = message[6];
int accumulatedPower = (accumulatedPowerMSB << 8) | accumulatedPowerLSB; //watt
int instanteousPower = (((instanteousPowerMSB | 0b11110000) ^ 0b11110000) << 8) | instanteousPowerLSB; //watt
double[] data = { updateEventCount, instanteousCadence, accumulatedPower, instanteousPower };
bLEDataHandler.addBLEDataForDataPage25(data);
}
bLEDataHandler.printLastData();
}
}
/// <summary>
/// Run the simulator with a data transfer time of 4Hz, just like the real protocol.
/// </summary>
public void RunSimulator()
{
this.bLEDataHandler = new BLEDataHandler(this._ergoID, this._patientName, this._patientNumber);
int i = 0;
List <byte[]> data = new List <byte[]>();
while (true)
{
data = this.ReadData(ApplicationSettings.GetReadWritePath(this._ergoID), WriteOption.Ergo);
BLEDecoderErgo.Decrypt(data[i], this.bLEDataHandler);
string toSend = this.bLEDataHandler.ReadLastData(); // Data that should be send to the client.
this._iClient.Write(toSend);
if (i >= data.Count - 1)
{
i = 0;
}
i++;
System.Threading.Thread.Sleep(250);
}
}
/// <summary>
/// The Decrypt method should be implemented, so a specific byte[] data can be decoded.
/// </summary>
/// <param name="rawData"></param>
/// <param name="bLEDataHandler"></param>
public static void Decrypt(byte[] rawData, BLEDataHandler bLEDataHandler)
{
}
