/* This method is kind of a kludge, and needs to be fixed,
* but the idea is to get all the data out of the device
* before stopping
*/
private ArrayList StopReading()
{
dataChunk = new ArrayList();
rowData = new byte[4]; //This holds the bytes that indicate the number of rows in the sample
byte[] responseTest = new byte[3];
bytes = stream.Read(rowData,0,rowData.Length);
for(int i = 0; i < 3; i++)
{
responseTest[i] = rowData[i];
}
string responseString = encoding.GetString(responseTest);
if(responseString == "OK\n" || responseString == "ER\n")
{
Debug.Log("Empatica reading stopped");
dataChunk.Add(responseString);
return dataChunk;
} else {
int numRows = System.BitConverter.ToInt32(rowData,0)/2;
data = new byte[numRows * sizeof(float) * signalsEnabled];
stream.Read(data,0,data.Length);
for(int i = 0; i < numRows; i++)
{
float[] sv = new float[signalsAvailable];
for(int j = 0; j < signalsEnabled; j++)
{
sv[j] = System.BitConverter.ToSingle(data,i * signalsEnabled * sizeof(float) + j * sizeof(float));
for(int k = signalsAvailable-signalsEnabled; k < signalsAvailable; k++)
{
sv[k] = 0;
}
}
EmpaticaSample sample;
if(markWaiting)
{
sample = new EmpaticaSample(DateTime.Now,sv[0],sv[1],sv[2],sv[3],sv[4],sv[5],sv[6],sv[7],sv[8],waitingMark);
markWaiting = false;
} else {
sample = new EmpaticaSample(DateTime.Now,sv[0],sv[1],sv[2],sv[3],sv[4],sv[5],sv[6],sv[7],sv[8],"");
}
dataChunk.Add(sample);
}
return dataChunk;
}
}
private ArrayList ReadData()
{
rowData = new byte[4]; //This holds the bytes that indicate the number of rows in the sample
bytes = stream.Read(rowData,0,rowData.Length);
int numRows = System.BitConverter.ToInt32(rowData,0)/2; //The actual number of rows this number is twice as large as it should be for some arcane reason
//Debug.Log("Found this numRows: " + numRows.ToString());
dataChunk = new ArrayList(numRows);
data = new byte[numRows * sizeof(float) * signalsEnabled];
//Debug.Log("Data length: " + data.Length.ToString());
stream.Read(data,0,data.Length);
for(int i = 0; i < numRows; i++)
{
float[] sv = new float[signalsAvailable];
for(int j = 0; j < signalsEnabled; j++)
{
sv[j] = System.BitConverter.ToSingle(data,i * signalsEnabled * sizeof(float) + j * sizeof(float));
for(int k = signalsAvailable-signalsEnabled; k < signalsAvailable; k++)
{
sv[k] = 0;
}
}
EmpaticaSample sample;
if(markWaiting)
{
sample = new EmpaticaSample(DateTime.Now,sv[0],sv[1],sv[2],sv[3],sv[4],sv[5],sv[6],sv[7],sv[8],waitingMark);
markWaiting = false;
} else {
sample = new EmpaticaSample(DateTime.Now,sv[0],sv[1],sv[2],sv[3],sv[4],sv[5],sv[6],sv[7],sv[8],"");
}
dataChunk.Add(sample);
//Debug.Log("i " + i.ToString() + " " + sample.ToString());
}
return dataChunk;
}
