StimFrame: Store ringbuff index as member var

Now each StimFrame knows its index within its parent SpMcRingbuff
object.

stimBuffApis/livoxGen1/openClCollatingAndMeshingEngine.cpp

@@ -1015,7 +1015,9 @@ public:
 			}
 		}
 
-		std::cout << __func__ << ": pointsPerDgram=" << pointsPerDgram
+		std::cout << __func__ << ": ringBufferIndex="
+			<< context->intensityStimFrame->get().ringBufferIndex
+			<< ", pointsPerDgram=" << pointsPerDgram
 			<< ", nSucceeded=" << nSucceeded
 			<< ", totalPoints=" << totalPoints
 			<< ", highIntensityCount=" << highIntensityCount << std::endl;

stimBuffApis/livoxGen1/pcloudStimulusProducer.cpp

@@ -3,6 +3,7 @@
 #include <algorithm>
 #include <unistd.h>
 #include <iomanip>
+#include <cstddef>
 #include <user/spMcRingBuffer.h>
 #include <componentThread.h>
 #include <asynchronousLoop.h>
@@ -88,7 +89,7 @@ tempStimulusFrame(
 		0,
 		reinterpret_cast<uint8_t*>(&tempStimulusFrameMem),
 		sizeof(tempStimulusFrameMem)},
-	*smoHooksPtr, 0)
+	*smoHooksPtr, 0, SIZE_MAX)
 {
 	if (smoHooksPtr->OptionParser_getOptions().verbose)
 	{