Added check in statistics data that at least all required bytes are received

It can occour for some inverters that incomplete fragments with valid crc but less bytes are received

This was mentioned in #1084

lib/Hoymiles/src/commands/RealTimeRunDataCommand.cpp

@@ -3,6 +3,7 @@
  * Copyright (C) 2022 Thomas Basler and others
  */
 #include "RealTimeRunDataCommand.h"
+#include "Hoymiles.h"
 #include "inverters/InverterAbstract.h"
 
 RealTimeRunDataCommand::RealTimeRunDataCommand(uint64_t target_address, uint64_t router_address, time_t time)
@@ -25,6 +26,18 @@ bool RealTimeRunDataCommand::handleResponse(InverterAbstract* inverter, fragment
         return false;
     }
 
+    // Check if at least all required bytes are received
+    // In case of low power in the inverter it occours that some incomplete fragments
+    // with a valid CRC are received.
+    if (getTotalFragmentSize(fragment, max_fragment_id) < inverter->Statistics()->getMaxByteCount()) {
+        Hoymiles.getMessageOutput()->printf("ERROR in %s: Received fragment size: %d min. expected size: %d\r\n",
+            getCommandName().c_str(),
+            getTotalFragmentSize(fragment, max_fragment_id),
+            inverter->Statistics()->getMaxByteCount());
+
+        return false;
+    }
+
     // Move all fragments into target buffer
     uint8_t offs = 0;
     inverter->Statistics()->clearBuffer();