Migliora discovery e pubblicazione MQTT per inverter in cascata

sources/inverter-cli/inverter.h

@@ -4,6 +4,7 @@
 #include <string>
 #include <thread>
 #include <mutex>
+#include <vector>
 
 using namespace std;
 
@@ -23,6 +24,12 @@ class cInverter {
     int buf_qpiws;
     int buf_qmod;
     int buf_qpigs;
+    int last_reply_size;
+
+    int openSerial();
+    void closeSerial(int fd);
+    bool sendCommand(int fd, const std::string &cmd);
+    bool readReply(int fd, std::string &payload);
 
     void SetMode(char newmode);
     bool CheckCRC(unsigned char *buff, int len);
@@ -47,6 +54,7 @@ class cInverter {
         void AutoDiscoverBufferSizes();
         int DiscoverParallelInverters();  // Returns number of parallel inverters
         string GetParallelStatus(int inverter_num);  // Get QPGS data for specific inverter
+        int QueryParallelQpgs(int count, std::vector<std::string> &replies);
 };
 
 #endif // ___INVERTER_H