DAPSpec: QualeIfaceApiParams: Add histbuffMs

stimBuffApis/livoxGen1/livoxGen1.cpp

@@ -178,11 +178,36 @@ public:
 			return;
 		}
 
+		// Parse history buffer duration from quale-iface-api-params
+		int histbuffMs = 30000;  // Default: 30000ms (30 seconds)
+		const std::vector<std::string> histbuffParamNames = {
+			"history-buffer-duration-ms",
+			"hist-buff-duration-ms",
+			"histbuff-duration-ms",
+			"histbuff-ms"
+		};
+
+		// Loop through synonyms in reverse order; lattermost synonym wins.
+		for (auto synIt = histbuffParamNames.rbegin();
+			synIt != histbuffParamNames.rend(); ++synIt)
+		{
+			const auto& paramName = *synIt;
+			try {
+				histbuffMs = smo::device::DeviceAttachmentSpec
+					::parseRequiredParamAsInt(
+						context->spec->qualeIfaceApiParams, paramName);
+				break; // Found and parsed successfully
+			} catch (const std::exception&) {
+				// Parameter not found or parse error, continue to next synonym
+				continue;
+			}
+		}
+
 		// Create and add PcloudStimulusBuffer to collection now that device is ready
 		StimulusBuffer::PcloudFormatDesc formatDesc;
 		formatDesc.format = StimulusBuffer::PcloudFormatDesc::Format::XYZI;
 		auto pcloudStimBuff = std::make_shared<PcloudStimulusBuffer>(
-			*context->spec, context->deviceTmp, formatDesc, 30);
+			*context->spec, context->deviceTmp, formatDesc, histbuffMs, 30);
 
 		context->stimBuff = pcloudStimBuff;
 		context->deviceTmp->nAttachedStimBuffs++;