inc/hoymiles/dtu.h

@@ -33,6 +33,8 @@ class Dtu {
 
 	void setStatusMicroinverters(uint16_t value, std::string statusName, std::vector<long long>& microinvertersToSet);
 
+	bool empty();
+
 	~Dtu();
 };
 

src/hoymiles/dtu.cpp

@@ -142,3 +142,7 @@ void Dtu::setStatusMicroinverters(uint16_t value, std::string statusName, std::v
 		microinvertersToSetIterator++;
 	}
 }
+
+bool Dtu::empty() {
+	return this->microinverters.empty();
+}

src/main.cpp

@@ -88,7 +88,7 @@ int main(int argc, char **argv) {
 	std::cout << "DTU construction time: " << std::chrono::duration_cast<std::chrono::milliseconds>(endTime - startTime).count() << "ms" << std::endl;
 	std::cout << std::endl << std::endl;
 
-	while (!writeMode && ((dtu.isConnected() || ignoreNotConnected) && (!parametersToGet.empty() || allParameters))) {
+	while (!writeMode && (!dtu.empty() && ((dtu.isConnected() || ignoreNotConnected) && (!parametersToGet.empty() || allParameters)))) {
 		time_t now = std::chrono::system_clock::to_time_t(std::chrono::system_clock::now());
 
 		startTime = std::chrono::high_resolution_clock::now();