Fetching data works..

src/ecmcDAQDataArray.cpp

@@ -154,12 +154,11 @@ void ecmcDAQDataArray::execute() {
   if(!enablePlugin_) {
     return;
   }
-
+  int first = 1;
   size_t index =  firstDataElementIndex_ ;
   for(std::vector<ecmcDAQDataChannel*>::iterator pDataCh = dataChannels_.begin(); pDataCh != dataChannels_.end(); ++pDataCh) {
-    //always atleast one data item in a channel. Set "first" bit in call to getData()
-    int first = 1;
-    for(int i = 0 ; i < (*pDataCh)->getDataElementCount(); i++) {
+    first = 1;
+    for(size_t i = 0 ; i < (*pDataCh)->getDataElementCount(); i++) {
       buffer_[index]=(*pDataCh)->getData(first);
       first = 0;
     }