Wave Inspector: Add support for exporting to RAW binary file

mainwindow.h

@@ -117,6 +117,7 @@ public:
   void set_cue_cmd(const char *, char *);
   void serial_decoder(struct device_settings *);
   void save_wave_inspector_buffer_to_edf(struct device_settings *);
+  void save_wave_inspector_buffer_to_raw(struct device_settings *);
 
   struct device_settings devparms;
 

save_data.cpp

@@ -792,9 +792,56 @@ OUT_ERROR:
 
 //     rec_len = wfp.xincrement[i] * wfp.points;
 
+void UI_Mainwindow::save_wave_inspector_buffer_to_raw(struct device_settings *d_parms)
+{
+  int i, chn, chns=0, mempnts;
+  char opath[MAX_PATHLEN];
 
+  mempnts = d_parms->acquirememdepth;
 
+  //checking if we have active channels
+  for (i=0; i<MAX_CHNS; i++) {
+    if (!d_parms->chandisplay[i])
+      continue;
+    chns++;
+  }
+  if (!chns) {
+    statusLabel->setText("No active channels.");
+    return;
+  }
 
+  //preparing file path
+  opath[0] = 0;
+  if (recent_savedir[0]!=0) {
+    strcpy(opath, recent_savedir);
+    strcat(opath, "/");
+  }
+  strcat(opath, "waveform");
+
+  //asking for filename
+  strcpy(opath, QFileDialog::getSaveFileName(this, "Save file", opath, "RAW files (*.raw *.RAW)").toLocal8Bit().data());
+  if (!strcmp(opath, ""))
+    return;
+
+  //saving data from each channel
+  for (chn=0; chn<MAX_CHNS; chn++) {
+    if (!d_parms->chandisplay[chn])
+      continue;
+
+    statusLabel->setText("Saving RAW file...");
+    QFile file(QString("%1_ch%2.raw").arg(opath, QString::number(chn)));
+    if (!file.open(QIODevice::WriteOnly))
+      return;
+
+    QDataStream out(&file);
+    for (i=0; i<mempnts; i++)
+      out << d_parms->wavebuf[chn][i];
+  }
+
+  //saving recent path for future use and exiting
+  get_directory_from_path(recent_savedir, opath, MAX_PATHLEN);
+  statusLabel->setText("Saved memory buffer to RAW file.");
+}
 
 void UI_Mainwindow::save_screen_waveform()
 {

wave_dialog.cpp

@@ -96,6 +96,7 @@ UI_wave_window::UI_wave_window(struct device_settings *p_devparms, short *wbuf[M
   savemenu = new QMenu(this);
   savemenu->setTitle("Save");
   savemenu->addAction("Save to EDF file", this, SLOT(save_wi_buffer_to_edf()));
+  savemenu->addAction("Save to RAW binary file", this, SLOT(save_wi_buffer_to_raw()));
   menubar->addMenu(savemenu);
 
   helpmenu = new QMenu(this);
@@ -174,6 +175,12 @@ void UI_wave_window::save_wi_buffer_to_edf()
 }
 
 
+void UI_wave_window::save_wi_buffer_to_raw()
+{
+  mainwindow->save_wave_inspector_buffer_to_raw(devparms);
+}
+
+
 void UI_wave_window::wavslider_value_changed(int val)
 {
   devparms->wave_mem_view_sample_start = val;

wave_dialog.h

@@ -102,6 +102,7 @@ void center_position();
 void center_trigger();
 
 void save_wi_buffer_to_edf();
+void save_wi_buffer_to_raw();
 
 };