add some code to prevent out of memeory frozen

.vscode/c_cpp_properties.json

@@ -26,6 +26,19 @@
             "cppStandard": "gnu++17",
             "intelliSenseMode": "linux-gcc-x64"
         },
+        {
+            "name": "Anasen",
+            "includePath": [
+                "${workspaceFolder}/**",
+                "/usr/include/x86_64-linux-gnu/qt6/**",
+                "/opt/root/include/**"
+            ],
+            "defines": [],
+            "compilerPath": "/usr/bin/gcc",
+            "cStandard": "c17",
+            "cppStandard": "gnu++17",
+            "intelliSenseMode": "linux-gcc-x64"
+        },
         {
             "name": "Splitpole",
             "includePath": [

ClassDigitizer.cpp

@@ -587,12 +587,15 @@ int Digitizer::ReadData(){
   //uint32_t EventSize = ReadRegister(DPP::EventSize); // Is it as same as data->nByte?
   // if( data->nByte > 0 ) printf("Read Buffer size %d byte \n", data->nByte);
   
-  if (ret || data->nByte == 0) {
+  if (ret != CAEN_DGTZ_Success || data->nByte == 0) {
     ErrorMsg(__func__);
+    if( ret == CAEN_DGTZ_OutOfMemory) {
+      printf("Abort ReadData.\n");
+      return ret;
+    }
   }
 
-  acqStatus = ReadRegister(DPP::AcquisitionStatus_R);
-    
+  ReadACQStatus();
 
   return ret;
 }

ClassDigitizer.h

@@ -96,6 +96,7 @@ class Digitizer{
     Data * GetData()   const {return data;}
     uint32_t GetACQStatus() const {return acqStatus;}
     void   ReadAndPrintACQStatue();
+    void   ReadACQStatus() { acqStatus = ReadRegister(DPP::AcquisitionStatus_R); }
 
     unsigned int CalByteForBuffer();
 

CustomThreads.h

@@ -78,7 +78,14 @@ public:
         printf("ReadDataThread::%s------------ ret : %d \n", __func__, ret);
         digiMTX[ID].lock();
         digi->StopACQ();
+        if( ret == CAEN_DGTZ_OutOfMemory ){
+          digi->WriteRegister(DPP::SoftwareClear_W, 1);
+          digi->GetData()->ClearData();
+        }
+        digi->ReadACQStatus();
         digiMTX[ID].unlock();
+        emit sendMsg("Digi-" + QString::number(digi->GetSerialNumber()) + " ACQ off.");
+        stop = true;
         break;
       }
 

FSUDAQ.cpp

@@ -982,6 +982,7 @@ void MainWindow::UpdateScalar(){
     digiMTX[iDigi].lock();
 
     uint32_t acqStatus = digi[iDigi]->GetACQStatus();
+    //printf("Digi-%d : acq on/off ? : %d \n", digi[iDigi]->GetSerialNumber(), (acqStatus >> 2) & 0x1 );
     if( ( acqStatus >> 2 ) & 0x1 ){
       runStatus[iDigi]->setStyleSheet("background-color : green;");
     }else{