Warning solved (thanks gbirkus)

Issue 18 (thanks Paul) fixed

src/frsky.cpp

@@ -227,7 +227,7 @@ void parseTelemHubByte(uint8_t byte)
   switch ((uint8_t)structPos) {
 
     case offsetof(FrskyHubData, rpm):
-      frskyHubData.rpm /= (g_model.frsky.blades+2);
+      frskyHubData.rpm *= (uint8_t)60/(g_model.frsky.blades+2);
       if (frskyHubData.rpm > frskyHubData.maxRpm)
         frskyHubData.maxRpm = frskyHubData.rpm;
       break;

src/open9x.cpp

@@ -1643,7 +1643,7 @@ void perOut(uint8_t phase)
 char userDataDisplayBuf[TELEM_SCREEN_BUFFER_SIZE];
 #endif
 
-#if defined(PCBARM) || (defined(PCBV4) && !defined(REV0))
+#if (defined(PCBARM) && !defined(REVA) && !defined(SIMU)) || (defined(PCBV4) && !defined(REV0) && !defined(SIMU))
 #define TIME_TO_WRITE (s_eeDirtyMsk && (get_tmr10ms() - s_eeDirtyTime10ms) >= WRITE_DELAY_10MS)
 #else
 #define TIME_TO_WRITE s_eeDirtyMsk

src/statistics_views.cpp

@@ -77,9 +77,12 @@ void menuProcStatistic(uint8_t event)
   }
 }
 
+#if defined(PCBARM) && defined(REVB)
 uint16_t Current ;
 uint32_t Current_sum ;
 uint8_t  Current_count ;
+#endif
+
 void menuProcDebug(uint8_t event)
 {
   TITLE(STR_MENUDEBUG);