Important BUGfix: effectively there was no sleep period in the thread handling the data from the UlDAQ

src/lasp/device/lasp_streammgr.cpp

@@ -420,12 +420,18 @@ void StreamMgr::addInDataHandler(InDataHandler &handler) {
                              "is called more than once on a handler object");
   }
   _inDataHandlers.push_back(&handler);
+  DEBUGTRACE_PRINT(_inDataHandlers.size());
+
 }
+
 void StreamMgr::removeInDataHandler(InDataHandler &handler) {
   DEBUGTRACE_ENTER;
   checkRightThread();
   std::scoped_lock<std::mutex> lck(_inDataHandler_mtx);
   _inDataHandlers.remove(&handler);
+
+  DEBUGTRACE_PRINT(_inDataHandlers.size());
+
 }
 
 Daq::StreamStatus StreamMgr::getStreamStatus(const StreamType type) const {

src/lasp/device/lasp_uldaq_impl.cpp

@@ -252,6 +252,7 @@ InBufHandler::InBufHandler(DT9837A &daq, InDaqCallback cb)
 }
 void InBufHandler::start() {
 
+  DEBUGTRACE_ENTER;
   ScanStatus status;
   TransferStatus transferStatus;
   UlError err = ulDaqInScanStatus(daq.getHandle(), &status, &transferStatus);
@@ -455,9 +456,9 @@ void DT9837A::threadFcn(InDaqCallback inCallback, OutDaqCallback outCallback) {
           _stopThread = true;
           break;
         }
-      } else {
-        std::this_thread::sleep_for(std::chrono::microseconds(sleeptime_us));
       }
+
+      std::this_thread::sleep_for(std::chrono::microseconds(sleeptime_us));
     }
 
     /// Update stream status that we are not running anymore

src/lasp/dsp/lasp_ppm.cpp

@@ -22,7 +22,6 @@ bool PPMHandler::inCallback_threaded(const DaqData &d) {
 
   dmat data = d.toFloat();
 
-
   const us nchannels = d.nchannels;
   assert(data.n_cols == nchannels);