Add more explicit error message when driver error at configuration time (TANGODEVIC-1698)

src/adlink/ADContinuousAIBoard.cpp

@@ -394,7 +394,7 @@ void ADContinuousAIBoard::configure_continuous_ai (const asl::ContinuousAIConfig
 
   if (err < 0) {
     //- could not register buffer
-    throw asl::DAQException("DAQ buffer setup failed",
+    throw asl::DAQException("DAQ buffer 0 setup failed - possible driver memory problem",
                             adl::d2kdask_error_text(err),
                             "ADContinuousAIBoard::configure_continuous_ai",
                             err);
@@ -411,7 +411,7 @@ void ADContinuousAIBoard::configure_continuous_ai (const asl::ContinuousAIConfig
 
     if (err < 0) {
       //- could not register buffer
-      throw asl::DAQException("DAQ buffer setup failed",
+      throw asl::DAQException("DAQ buffer 1 setup failed - possible driver memory problem",
                               adl::d2kdask_error_text(err),
                               "ADContinuousAIBoard::configure_continuous_ai",
                               err);
@@ -981,7 +981,10 @@ void ADContinuousAIBoard::stop_continuous_ai ()
   }
 
 #else
+  if (daq_buffer_0_)
     this->stop_count_ = this->daq_buffer_0_->depth() / 2;
+  else
+    this->stop_count_ = 0;
 #endif // _SIMULATION_
 
   this->has_been_started_at_least_once_ = false;