//******************************************************************************************************************************************************
// This function is our matlab interface function. It accepts paramters from the matlab environment and passes them accordingly to the necessary C++ function.
// The function is responsible for allocating the right amount of memory and parameters to return to the matlab environment.
//******************************************************************************************************************************************************
void mexFunction( int nlhs, mxArray *plhs[], int nrhs, const mxArray *prhs[] )
{
if( nrhs == 1 ) {
mexPrintf("\tMat2NlxEV() version 2.0\n");
return;
}
//check number of input params
if(nrhs < MinInputParametersMat2Nlx) {
mexPrintf("\tIncorrect Number Of Input Arguements Specified. Please See Help File For Examples.\n");
return;
}
CString filename;//get parameter 1, our filename
BOOL appendToFile = FALSE;
int extractionMode = 0; //get parameter 4, extraction mode
double* modeParameters = NULL; //get param 5 if necessary, thats our input array based on mode selection
int numModeParameters = 0;
int expectedNumRecords = 0;
BOOL fieldSelections[MaxFields]; //get parameter 2, our field selection list
memset( fieldSelections, 0, sizeof(BOOL)*MaxFields );
if( mGeneralOps.GetInputParametersMat2Nlx(prhs, nrhs, filename, appendToFile, extractionMode, modeParameters, numModeParameters, expectedNumRecords, fieldSelections, MaxFields) != Nlx2MatOK ) {
return;
}
if( GetInputFields(prhs, nrhs, fieldSelections, expectedNumRecords) != Nlx2MatOK ) {
return;
}
std::fstream fileHandle;
if( mGeneralOps.OpenFileMat2Nlx( fileHandle, appendToFile, filename, mFileTypeExpected) != Nlx2MatOK ) {
return;
}
if( fieldSelections[MaxFields-1] && !appendToFile ) {
if( mGeneralOps.ProcessHeader(prhs, nrhs, nrhs-1, fileHandle) != Nlx2MatOK ) {
fileHandle.close();
return;
}
}
if( WriteFile(fileHandle, fieldSelections, extractionMode, modeParameters, numModeParameters, expectedNumRecords, prhs, nrhs-2) != Nlx2MatOK ) {
fileHandle.close();
return;
}
fileHandle.close();
}
//******************************************************************************************************************************************************
//******************************************************************************************************************************************************
int WriteFile(std::fstream& fileHandle, BOOL* fieldSelections, int extractionMode, double* modeParameters, int numModeParameters, int numRecs, const mxArray *prhs[], int prhsIndex)
{
EventRec buf;
memset(&buf, 0, mRecordSize );
int index = 0;
for( int i = 0; i < numRecs; i++ ) {
index = 0;
if( fieldSelections[IndexTimestamp] ) {
buf.qwTimeStamp = (unsigned __int64)(mInputFields[index][i]);
index++;
}
if( !mGeneralOps.ValidRecToExtract(i, buf.qwTimeStamp, extractionMode, modeParameters, numModeParameters) ) {
continue;
}
if( fieldSelections[IndexEventId] ) {
buf.nevent_id = (short)(mInputFields[index][i]);
index++;
}
if( fieldSelections[IndexTtl] ) {
buf.nttl = (short)(mInputFields[index][i]);
index++;
}
if( fieldSelections[IndexExtras] ) {
for( int j = 0; j < EVENT_NUM_EXTRAS; j++) {
buf.dnExtra[j] = (__int32)(mInputFields[index][(i*EVENT_NUM_EXTRAS)+j]);
}
index++;
}
if( fieldSelections[IndexEventString] ) {
memset( buf.EventString, 0, sizeof(char)*NLX_EventRecStringSize);
mxGetString( mxGetCell( prhs[prhsIndex], i ), buf.EventString, NLX_EventRecStringSize );
}
fileHandle.write( (const char*)&buf, mRecordSize );
}
return(Nlx2MatOK);
}
//******************************************************************************************************************************************************
//******************************************************************************************************************************************************
int GetInputFields(const mxArray *prhs[], int nrhs, BOOL* fieldSelections, int expectedNumRecords)
{
mInputFields.clear();
double* arrayPtr = NULL;
int prhsIndex = MinInputParametersMat2Nlx-1;
int expectedM = 1;
for( int i = IndexTimestamp; i < (MaxFields-1); i++ ) {
if( fieldSelections[i] ) {
if( IndexSamples == i ) {
expectedM = MAX_CSC_SAMPLES;
} else {
expectedM = 1;
}
if( mGeneralOps.GetInputNumericArrayPtr(prhs, nrhs, prhsIndex, arrayPtr, expectedM, expectedNumRecords) != Nlx2MatOK2 ) { return(Nlx2MatError2); }
mInputFields.push_back(arrayPtr);
prhsIndex++;
}
}
return(Nlx2MatOK2);
}
//******************************************************************************************************************************************************
//******************************************************************************************************************************************************
int WriteFile(std::fstream & fileHandle, BOOL* fieldSelections, int extractionMode, double* modeParameters, int numModeParameters, int numRecs)
{
CRRec buf;
memset(&buf, 0, mRecordSize );
int index = 0;
for( int i = 0; i < numRecs; i++ ) {
index = 0;
if( fieldSelections[IndexTimestamp] ) {
buf.qwTimeStamp = (unsigned __int64)(mInputFields[index][i]);
index++;
}
if( !mGeneralOps.ValidRecToExtract(i, buf.qwTimeStamp, extractionMode, modeParameters, numModeParameters) ) { continue; }
if( fieldSelections[IndexChannelNumbers] ) {
buf.dwChannelNum = (unsigned __int32)(mInputFields[index][i]);
index++;
}
if( fieldSelections[IndexSampleFrequency] ) {
buf.dwSampleFreq = (unsigned __int32)(mInputFields[index][i]);
index++;
}
if( fieldSelections[IndexNumberValidSamples] ) {
buf.dwNumValidSamples = (unsigned __int32)(mInputFields[index][i]);
index++;
}
if( fieldSelections[IndexSamples] ) {
for( int j = 0; j < MAX_CSC_SAMPLES; j++) {
buf.snSamples[j] = (signed __int16)(mInputFields[index][(i*MAX_CSC_SAMPLES)+j]);
}
}
fileHandle.write( (const char*)&buf, mRecordSize );
}
return(Nlx2MatOK2);
}
