Changeset 88

Timestamp:

07/13/09 09:50:05 (15 years ago)

Author:

ogrimm

Message:

Headers now available in Matlab

File:

• tools/matlabread/matlabread.cc (modified) (4 diffs)

tools/matlabread/matlabread.cc

@@ -1 +1 @@
 // Function to read rawdata into Matlab
 //
+// Use 'make' on console to generate RawDataCTX.o.
 // Use 'mex matlabread.cc RawDataCTX.o' in Matlab to compile.
-// Use 'make' on console to generate RawDataCTX.o.
+// 
+// Oliver Grimm, July 2009
+
 
 #include <unistd.h>
+#include <string.h>
 
 #include "/ihp/local/Matlab08/extern/include/mex.h"
 #include "../../drsdaq/RawDataCTX.h"
 
-// Print text date in temporary file, than clear file
-void PrintTempFile(FILE* File) {
-  char Buffer[1000];
-  rewind(File);
-  while(fgets(Buffer, sizeof(Buffer), File) != NULL) printf("%s", Buffer);
-  ftruncate(fileno(File),0);
-}
 
 // Interface function to Matlab
@@ -21 +18 @@
   
   RawDataCTX* RD = new RawDataCTX(true);        // Instantiate without console output
-  FILE *Tmpfile = tmpfile();                    // Temporary file for printing of headers
 
   // Check inputs and output arguments
-  if (nrhs<1 || nrhs>2 || (nrhs==2 && !mxIsDouble(prhs[1]))) {
-    mexErrMsgTxt("Parameters must be filename and (optional) event number.");
+  if (nrhs<1 || nrhs>2 || (nrhs==2 && !mxIsDouble(prhs[1])) || nlhs<1 || nlhs>5) {
+    mexErrMsgTxt("Usage: [Data TrigCells RHeader BStructs EHeader] = matlabread('Filename', EventNo)");
   }
-  if (nlhs != 2) mexErrMsgTxt ("Need two return values.");
           
-  switch (RD->OpenDataFile(mxArrayToString(prhs[0]), Tmpfile)) {
+  switch (RD->OpenDataFile(mxArrayToString(prhs[0]), NULL)) {
     case CTX_FOPEN:   mexErrMsgTxt("Could not open file.");
     case CTX_RHEADER: mexErrMsgTxt("Could not read run header.");
@@ -50 +45 @@
   
   // Print header data
-  if(RD->ReadEvent(mxIsDouble(prhs[1]) ? (int) mxGetScalar(prhs[1]):0, Tmpfile) != CTX_OK) {
+  if(RD->ReadEvent(mxIsDouble(prhs[1]) ? (int) mxGetScalar(prhs[1]):0, NULL) != CTX_OK) {
     mexErrMsgTxt("Could not read event.");
   }
-  else PrintTempFile(Tmpfile);
 
-  // Allocate memory
+  while(true) { // Dummy loop to allow different number of return values (break will be issued depending on nlhs)
+  
+  // ========= Data array ==========
+  
   plhs[0] = mxCreateDoubleMatrix(Boards*Chips*Channels*Samples, 1, mxREAL);
-  plhs[1] = mxCreateDoubleMatrix(Chips, Boards, mxREAL);
-
-  // Fill trigger cell array
-  for(unsigned int i=0; i<Boards*Chips; i++) {
-    *(mxGetPr(plhs[1])+i) = *((int *) (RD->Data+i*sizeof(int))); 
-  }
-  
-  // Fill data array
   unsigned int Count = 0;
   for(unsigned int i=0; i<Boards; i++) {
@@ -71 +60 @@
     }
   }
-
-  // Resize data array into boards, channels and samples
+  // Resize into boards, channels and samples array
   mwSize Dimensions[] = {Samples, Chips*Channels, Boards};
   mxSetDimensions(plhs[0], Dimensions, sizeof(Dimensions)/sizeof(mwSize));
+
+  if (nlhs==1) break;
+
+  // ========= Trigger cell array ==========
+    
+  plhs[1] = mxCreateDoubleMatrix(Chips, Boards, mxREAL);
+  for(unsigned int i=0; i<Boards*Chips; i++) {
+    *(mxGetPr(plhs[1])+i) = *((int *) (RD->Data+i*sizeof(int))); 
+  }
+  if (nlhs==2) break;
+ 
+  // ========= Run header structure ==========
+    
+  const char *RH_Fields[] = {"MagicNum", "DataFormat", "RunHeaderSize", "EventHeaderSize", "BoardStructureSize", "SoftwareRevision", "Identification", "Type","RunNumber", "FileNumber", "Description", "NBoards", "NChips", "NChannels", "Samples", "Offset", "Events", "NBytes", "StartSecond", "StartMicrosecond", "EndSecond", "EndMicrosecond"};
+  const mwSize RH_Dim[] = {1, 1};
+  plhs[2] = mxCreateStructArray(sizeof(RH_Dim)/sizeof(mwSize), RH_Dim, sizeof(RH_Fields)/sizeof(char *), RH_Fields);
+  mxArray *Data[sizeof(RH_Fields)/sizeof(char *)]; 
+
+  Data[0] = mxCreateNumericMatrix(1, 1, mxUINT32_CLASS, mxREAL);
+  memcpy(mxGetPr(Data[0]), &RD->RHeader->MagicNum, 4);
+  Data[1] = mxCreateNumericMatrix(1, 1, mxUINT32_CLASS, mxREAL);
+  memcpy(mxGetPr(Data[1]), &RD->RHeader->DataFormat, 4);
+  Data[2] = mxCreateNumericMatrix(1, 1, mxUINT32_CLASS, mxREAL);
+  memcpy(mxGetPr(Data[2]), &RD->RHeader->RunHeaderSize, 4);
+  Data[3] = mxCreateNumericMatrix(1, 1, mxUINT32_CLASS, mxREAL);
+  memcpy(mxGetPr(Data[3]), &RD->RHeader->EventHeaderSize, 4);
+  Data[4] = mxCreateNumericMatrix(1, 1, mxUINT32_CLASS, mxREAL);
+  memcpy(mxGetPr(Data[4]), &RD->RHeader->BoardStructureSize, 4);
+  Data[5] = mxCreateNumericMatrix(1, 1, mxINT32_CLASS, mxREAL);
+  memcpy(mxGetPr(Data[5]), &RD->RHeader->SoftwareRevision, 4);
+  Data[6] = mxCreateNumericMatrix(1, 1, mxUINT32_CLASS, mxREAL);
+  memcpy(mxGetPr(Data[6]), &RD->RHeader->Identification, 4);
+  Data[7] = mxCreateNumericMatrix(1, 1, mxUINT32_CLASS, mxREAL);
+  memcpy(mxGetPr(Data[7]), &RD->RHeader->Type, 4);
+  Data[8] = mxCreateNumericMatrix(1, 1, mxUINT32_CLASS, mxREAL);
+  memcpy(mxGetPr(Data[8]), &RD->RHeader->RunNumber, 4);
+  Data[9] = mxCreateNumericMatrix(1, 1, mxUINT32_CLASS, mxREAL);
+  memcpy(mxGetPr(Data[9]), &RD->RHeader->FileNumber, 4);
+  Data[10] = mxCreateString(RD->RHeader->Description);
+  Data[11] = mxCreateNumericMatrix(1, 1, mxUINT32_CLASS, mxREAL);
+  memcpy(mxGetPr(Data[11]), &RD->RHeader->NBoards, 4);
+  Data[12] = mxCreateNumericMatrix(1, 1, mxUINT32_CLASS, mxREAL);
+  memcpy(mxGetPr(Data[12]), &RD->RHeader->NChips, 4);
+  Data[13] = mxCreateNumericMatrix(1, 1, mxUINT32_CLASS, mxREAL);
+  memcpy(mxGetPr(Data[13]), &RD->RHeader->NChannels, 4);
+  Data[14] = mxCreateNumericMatrix(1, 1, mxUINT32_CLASS, mxREAL);
+  memcpy(mxGetPr(Data[14]), &RD->RHeader->Samples, 4);
+  Data[15] = mxCreateNumericMatrix(1, 1, mxUINT32_CLASS, mxREAL);
+  memcpy(mxGetPr(Data[15]), &RD->RHeader->Offset, 4);
+  Data[16] = mxCreateNumericMatrix(1, 1, mxUINT32_CLASS, mxREAL);
+  memcpy(mxGetPr(Data[16]), &RD->RHeader->Events, 4);
+  Data[17] = mxCreateNumericMatrix(1, 1, mxUINT32_CLASS, mxREAL);
+  memcpy(mxGetPr(Data[17]), &RD->RHeader->NBytes, 4);
+  Data[18] = mxCreateNumericMatrix(1, 1, mxUINT32_CLASS, mxREAL);
+  memcpy(mxGetPr(Data[18]), &RD->RHeader->StartSecond, 4);
+  Data[19] = mxCreateNumericMatrix(1, 1, mxUINT32_CLASS, mxREAL);
+  memcpy(mxGetPr(Data[19]), &RD->RHeader->StartMicrosecond, 4);
+  Data[20] = mxCreateNumericMatrix(1, 1, mxUINT32_CLASS, mxREAL);
+  memcpy(mxGetPr(Data[20]), &RD->RHeader->EndSecond, 4);
+  Data[21] = mxCreateNumericMatrix(1, 1, mxUINT32_CLASS, mxREAL);
+  memcpy(mxGetPr(Data[21]), &RD->RHeader->EndMicrosecond, 4);
+
+  for (int i=0; i<sizeof(RH_Fields)/sizeof(char *); i++) {
+    mxSetField(plhs[2], 0, RH_Fields[i], Data[i]);
+  }
+
+  if (nlhs==3) break;
+
+  // ========= Board structures ==========
+    
+  const char *BS_Fields[] = {"SerialNo","NomFreq","BoardTemp","ScaleFactor"};
+  const mwSize BS_Dim[] = {1, Boards};
+  plhs[3] = mxCreateStructArray(sizeof(BS_Dim)/sizeof(mwSize), BS_Dim, sizeof(BS_Fields)/sizeof(char *), BS_Fields);
+  mxArray* (*BSData)[sizeof(BS_Fields)/sizeof(char *)] = new mxArray* [Boards][sizeof(BS_Fields)/sizeof(char *)]; 
+ 
+  for (int j=0; j<Boards; j++) {
+    BSData[j][0] = mxCreateNumericMatrix(1, 1, mxUINT32_CLASS, mxREAL);
+    BSData[j][1] = mxCreateNumericMatrix(1, 1, mxSINGLE_CLASS, mxREAL);
+    BSData[j][2] = mxCreateNumericMatrix(1, 1, mxSINGLE_CLASS, mxREAL);
+    BSData[j][3] = mxCreateNumericMatrix(1, 1, mxSINGLE_CLASS, mxREAL);
+
+    memcpy(mxGetPr(BSData[j][0]), &RD->BStruct[j].SerialNo, 4);
+    memcpy(mxGetPr(BSData[j][1]), &RD->BStruct[j].NomFreq, 4);
+    memcpy(mxGetPr(BSData[j][2]), &RD->BStruct[j].BoardTemp, 4);
+    memcpy(mxGetPr(BSData[j][3]), &RD->BStruct[j].ScaleFactor, 4);
+
+    for (int i=0; i<sizeof(BS_Fields)/sizeof(char *); i++) {
+      mxSetField(plhs[3], j, BS_Fields[i], BSData[j][i]);
+    }
+  }
+  if (nlhs==4) break;
+
+  // ========= Event header structure ==========
+    
+  const char *EH_Fields[] = {"EventNumber", "Second", "Microsecond", "TriggerType", "EventSize"};
+  const mwSize EH_Dim[] = {1, 1};
+  plhs[4] = mxCreateStructArray(sizeof(EH_Dim)/sizeof(mwSize), EH_Dim, sizeof(EH_Fields)/sizeof(char *), EH_Fields);
+ mxArray *EHData[sizeof(EH_Fields)/sizeof(char *)]; 
+ 
+  for (int i=0; i<sizeof(EH_Fields)/sizeof(char *); i++) {
+    EHData[i] = mxCreateNumericMatrix(1, 1, mxUINT32_CLASS, mxREAL);
+  }
+  memcpy(mxGetPr(EHData[0]), &RD->EHeader->EventNumber, 4);
+  memcpy(mxGetPr(EHData[1]), &RD->EHeader->Second, 4);
+  memcpy(mxGetPr(EHData[2]), &RD->EHeader->Microsecond, 4);
+  memcpy(mxGetPr(EHData[3]), &RD->EHeader->TriggerType, 4);
+  memcpy(mxGetPr(EHData[4]), &RD->EHeader->EventSize, 4);
+  for (int i=0; i<sizeof(EH_Fields)/sizeof(char *); i++) {
+    mxSetField(plhs[4], 0, EH_Fields[i], EHData[i]);
+  }
+  if (nlhs>=5) break;
+
+  } // Dummy while loop
   
-  // Clean up
-  fclose(Tmpfile);
-  RD->CloseDataFile();      
+  
+  delete RD;   
 }