public void HandleShimmerEvent(object sender, EventArgs args)
{
CustomEventArgs eventArgs = (CustomEventArgs)args;
int indicator = eventArgs.getIndicator();
switch (indicator)
{
case (int)Shimmer.ShimmerIdentifier.MSG_IDENTIFIER_STATE_CHANGE:
System.Diagnostics.Debug.Write(((Shimmer)sender).GetDeviceName() + " State = " + ((Shimmer)sender).GetStateString() + System.Environment.NewLine);
int state = (int)eventArgs.getObject();
if (state == (int)Shimmer.SHIMMER_STATE_CONNECTED)
{
AppendTextBox("Connected", ((Shimmer)sender).GetDeviceName());
ChangeStatusLabel("Connected to " + ((Shimmer)sender).GetComPort() + ". Firmware Version: " + ((Shimmer)sender).GetFirmwareVersionFullName(), ((Shimmer)sender).GetDeviceName());
EnableButtons((int)Shimmer.SHIMMER_STATE_CONNECTED, ((Shimmer)sender).GetDeviceName());
}
else if (state == (int)Shimmer.SHIMMER_STATE_CONNECTING)
{
AppendTextBox("Connecting", ((Shimmer)sender).GetDeviceName());
ChangeStatusLabel("Connecting", ((Shimmer)sender).GetDeviceName());
EnableButtons((int)Shimmer.SHIMMER_STATE_CONNECTING, ((Shimmer)sender).GetDeviceName());
}
else if (state == (int)Shimmer.SHIMMER_STATE_NONE)
{
AppendTextBox("Disconnected", ((Shimmer)sender).GetDeviceName());
ChangeStatusLabel("Disconnected", ((Shimmer)sender).GetDeviceName());
EnableButtons((int)Shimmer.SHIMMER_STATE_NONE, ((Shimmer)sender).GetDeviceName());
}
else if (state == (int)Shimmer.SHIMMER_STATE_STREAMING)
{
AppendTextBox("Streaming", ((Shimmer)sender).GetDeviceName());
ChangeStatusLabel("Streaming", ((Shimmer)sender).GetDeviceName());
EnableButtons((int)Shimmer.SHIMMER_STATE_STREAMING, ((Shimmer)sender).GetDeviceName());
}
break;
case (int)Shimmer.ShimmerIdentifier.MSG_IDENTIFIER_NOTIFICATION_MESSAGE:
string message = (string)eventArgs.getObject();
System.Diagnostics.Debug.Write(((Shimmer)sender).GetDeviceName() + message + System.Environment.NewLine);
//Message BOX
int minorIdentifier = eventArgs.getMinorIndication();
if (minorIdentifier == (int)ShimmerSDBT.ShimmerSDBTMinorIdentifier.MSG_WARNING)
{
MessageBox.Show(message, Control.ApplicationName,
MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
else if (minorIdentifier == (int)ShimmerSDBT.ShimmerSDBTMinorIdentifier.MSG_ERROR)
{
MessageBox.Show(message, Control.ApplicationName, MessageBoxButtons.OK, MessageBoxIcon.Error);
}
else if (message.Equals("Connection lost"))
{
MessageBox.Show("Connection with device lost while streaming", Control.ApplicationName,
MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
else
{
ChangeStatusLabel(message, ((Shimmer)sender).GetDeviceName());
}
break;
case (int)Shimmer.ShimmerIdentifier.MSG_IDENTIFIER_DATA_PACKET:
// this is essential to ensure the object is not a reference
ObjectCluster objectCluster = new ObjectCluster((ObjectCluster)eventArgs.getObject());
List <String> names = objectCluster.GetNames();
List <String> formats = objectCluster.GetFormats();
List <String> units = objectCluster.GetUnits();
List <Double> data = objectCluster.GetData();
if (EnablePPGtoHRConversion)
{
int index = objectCluster.GetIndex(PPGSignalName, "CAL");
int indexts = objectCluster.GetIndex("Timestamp", "CAL");
if (index != -1)
{
double dataFilteredLP = LPF_PPG.filterData(data[index]);
double dataFilteredHP = HPF_PPG.filterData(dataFilteredLP);
double[] dataTS = new double[] { data[indexts] };
int heartRate = (int)Math.Round(PPGtoHeartRateCalculation.ppgToHrConversion(dataFilteredHP, dataTS[0]));
names.Add("Heart Rate PPG");
formats.Add("");
units.Add("Beats/min");
data.Add(heartRate);
}
}
if (_enableECGtoHRConversion)
{
//ECG-HR Conversion
int index = -1;
{
index = objectCluster.GetIndex(ECGSignalName, "RAW");
}
if (index != -1)
{
int hr = -1;
double ecgData = -1;
ecgData = data[index];
double calTimestamp = objectCluster.GetData("Timestamp", "CAL").GetData();
hr = (int)ECGtoHR.ECGToHRConversion(ecgData, calTimestamp);
names.Add("Heart Rate ECG");
formats.Add("");
units.Add("Beats/min");
data.Add(hr);
}
}
if (_firstTimeShimmer1 && ((Shimmer)sender).GetDeviceName() == "Shimmer1")
{
List <String> fnames = new List <String>();
int icount = 0;
foreach (String s in names)
{
fnames.Add(s + " " + formats[icount] + " (" + units[icount] + ")");
icount++;
}
ShowChannelLabels(fnames, ((Shimmer)sender).GetDeviceName());
ShowChannelTextBoxes(fnames.Count, ((Shimmer)sender).GetDeviceName());
ShimmerIdSetup.Add(objectCluster.GetShimmerID());
_firstTimeShimmer1 = false;
}
if (_firstTimeShimmer2 && ((Shimmer)sender).GetDeviceName() == "Shimmer2")
{
List <String> fnames = new List <String>();
int icount = 0;
foreach (String s in names)
{
fnames.Add(s + " " + formats[icount] + " (" + units[icount] + ")");
icount++;
}
ShowChannelLabels(fnames, ((Shimmer)sender).GetDeviceName());
ShowChannelTextBoxes(fnames.Count, ((Shimmer)sender).GetDeviceName());
ShimmerIdSetup.Add(objectCluster.GetShimmerID());
_firstTimeShimmer2 = false;
}
ShowTBcountShimmer1++;
if (ShowTBcountShimmer1 % Math.Truncate(ShimmerDevice1.GetSamplingRate() / 5) == 0)
{
UpdateChannelTextBoxes(data, ((Shimmer)sender).GetDeviceName());
}
ShowTBcountShimmer2++;
if (ShowTBcountShimmer2 % Math.Truncate(ShimmerDevice2.GetSamplingRate() / 5) == 0)
{
UpdateChannelTextBoxes(data, ((Shimmer)sender).GetDeviceName());
}
//Write to file
if (_writeToFileShimmer1 != null && (_writeData || _writeBaseLineData) && ((Shimmer)sender).GetDeviceName() == "Shimmer1")
{
try
{
_writeToFileShimmer1.WriteData(objectCluster);
}
catch (Exception e)
{
MessageBox.Show(e.Message, Control.ApplicationName,
MessageBoxButtons.OK, MessageBoxIcon.Warning);
throw;
}
}
if (_writeToFileShimmer2 != null && (_writeData || _writeBaseLineData) && ((Shimmer)sender).GetDeviceName() == "Shimmer2")
{
try
{
_writeToFileShimmer2.WriteData(objectCluster);
}
catch (Exception e)
{
MessageBox.Show(e.Message, Control.ApplicationName,
MessageBoxButtons.OK, MessageBoxIcon.Warning);
throw;
}
}
break;
}
}
public void HandleEvent(object sender, EventArgs args)
{
CustomEventArgs eventArgs = (CustomEventArgs)args;
int indicator = eventArgs.getIndicator();
switch (indicator)
{
case (int)ShimmerBluetooth.ShimmerIdentifier.MSG_IDENTIFIER_STATE_CHANGE:
System.Diagnostics.Debug.Write(((ShimmerBluetooth)sender).GetDeviceName() + " State = " + ((ShimmerBluetooth)sender).GetStateString() + System.Environment.NewLine);
int state = (int)eventArgs.getObject();
if (state == (int)ShimmerBluetooth.SHIMMER_STATE_CONNECTED)
{
System.Console.WriteLine("Shimmer is Connected");
Task ignoredAwaitableResult = this.delayedWork();
}
else if (state == (int)ShimmerBluetooth.SHIMMER_STATE_CONNECTING)
{
System.Console.WriteLine("Establishing Connection to Shimmer Device");
}
else if (state == (int)ShimmerBluetooth.SHIMMER_STATE_NONE)
{
System.Console.WriteLine("Shimmer is Disconnected");
}
else if (state == (int)ShimmerBluetooth.SHIMMER_STATE_STREAMING)
{
System.Console.WriteLine("Shimmer is Streaming");
}
break;
case (int)ShimmerBluetooth.ShimmerIdentifier.MSG_IDENTIFIER_NOTIFICATION_MESSAGE:
break;
case (int)ShimmerBluetooth.ShimmerIdentifier.MSG_IDENTIFIER_DATA_PACKET:
ObjectCluster objectCluster = (ObjectCluster)eventArgs.getObject();
if (FirstTime)
{
IndexAccelX = objectCluster.GetIndex(Shimmer3Configuration.SignalNames.LOW_NOISE_ACCELEROMETER_X, ShimmerConfiguration.SignalFormats.CAL);
IndexAccelY = objectCluster.GetIndex(Shimmer3Configuration.SignalNames.LOW_NOISE_ACCELEROMETER_Y, ShimmerConfiguration.SignalFormats.CAL);
IndexAccelZ = objectCluster.GetIndex(Shimmer3Configuration.SignalNames.LOW_NOISE_ACCELEROMETER_Z, ShimmerConfiguration.SignalFormats.CAL);
IndexGSR = objectCluster.GetIndex(Shimmer3Configuration.SignalNames.GSR, ShimmerConfiguration.SignalFormats.CAL);
IndexPPG = objectCluster.GetIndex(Shimmer3Configuration.SignalNames.INTERNAL_ADC_A13, ShimmerConfiguration.SignalFormats.CAL);
IndexTimeStamp = objectCluster.GetIndex(ShimmerConfiguration.SignalNames.SYSTEM_TIMESTAMP, ShimmerConfiguration.SignalFormats.CAL);
FirstTime = false;
}
SensorData datax = objectCluster.GetData(IndexAccelX);
SensorData datay = objectCluster.GetData(IndexAccelY);
SensorData dataz = objectCluster.GetData(IndexAccelZ);
SensorData dataGSR = objectCluster.GetData(IndexGSR);
SensorData dataPPG = objectCluster.GetData(IndexPPG);
SensorData dataTS = objectCluster.GetData(IndexTimeStamp);
//Process PPG signal and calculate heart rate
double dataFilteredLP = LPF_PPG.filterData(dataPPG.Data);
double dataFilteredHP = HPF_PPG.filterData(dataFilteredLP);
int heartRate = (int)Math.Round(PPGtoHeartRateCalculation.ppgToHrConversion(dataFilteredHP, dataTS.Data));
if (Count % SamplingRate == 0) //only display data every second
{
System.Console.WriteLine("AccelX: " + datax.Data + " " + datax.Unit + " AccelY: " + datay.Data + " " + datay.Unit + " AccelZ: " + dataz.Data + " " + dataz.Unit);
System.Console.WriteLine("Time Stamp: " + dataTS.Data + " " + dataTS.Unit + " GSR: " + dataGSR.Data + " " + dataGSR.Unit + " PPG: " + dataPPG.Data + " " + dataPPG.Unit + " HR: " + heartRate + " BPM");
}
Count++;
break;
}
}