started to use the UI

src/drive.cpp

@@ -46,6 +46,18 @@ uint32_t Drive::getPowerCycles(void)
     return u32PowerCycles;
 }
 
+string Drive::sCapacityToText(){
+    if(getCapacity() <= (999*1000000000U)){
+        // Less or even 999 GB --> GB
+    return  to_string(getCapacity() / 1000000000U) + " GB";
+    }
+    else{
+    // More 999 GB --> TB
+        return  to_string(getCapacity() / 1000000000000U) + " TB";
+    }
+    return "ERROR";
+}
+
 /**
  * \brief   set S.M.A.R.T. values in model
  * \param	string modelFamily