Issue #660 - Firmware part done. I need to check the ASM because when

compiled with the FRSKY_STICKS option enabled, the FW is lighter than
without the option!

radio/src/opentx.cpp

@@ -2820,8 +2820,13 @@ uint16_t anaIn(uint8_t chan)
   return *p;
 #else
   static const pm_char crossAna[] PROGMEM = {3,1,2,0,4,5,6,7};
-  volatile uint16_t *p = &s_anaFilt[pgm_read_byte(crossAna+chan)];
-  return *p;
+  uint16_t temp = s_anaFilt[pgm_read_byte(crossAna+chan)];
+#if defined(FRSKY_STICKS)
+  if (chan < NUM_STICKS && (g_eeGeneral.stickReverse & (1 << chan))) {
+    temp = 2048 - temp;
+  }
+#endif
+  return temp;
 #endif
 }