Use writeCount instaed of readCmds.

include/com.h

@@ -33,9 +33,7 @@ class T_com : public QObject        //,  public QPlainTextEdit
 //    QSerialPort *CatSerial = nullptr;
     QSerialPort *CatSerial;
 
-    QVector<uint16_t> readCmds;     // list of active commands sent to DC
-
-
+    uint32_t writeCount = 0;
 
     //char oeffneSerialPort();
     char open_Serial_Port();
@@ -66,8 +64,7 @@ public:
     bool readFromSerial(QByteArray &data, uint16_t &sendLength);
         // retval: true: data available
 
-    QVector<uint16_t> &getReadCmds() { return readCmds; }
-    QVector<uint16_t> const &getReadCmds() const { return readCmds; }
+    uint32_t getWriteCount() { return writeCount; }
 
 /*
     uint8_t getAllPortPins(void);