Fixes #2999 in 'next' (OpenTX 2.2)

radio/src/opentx.cpp

@@ -1699,10 +1699,6 @@ void doMixerCalculations()
   getADC();
   DEBUG_TIMER_STOP(debugTimerGetAdc);
 
-#if defined(PCBTARANIS)
-  processSbusInput();
-#endif
-
   DEBUG_TIMER_START(debugTimerGetSwitches);
   getSwitchesPosition(!s_mixer_first_run_done);
   DEBUG_TIMER_STOP(debugTimerGetSwitches);

radio/src/tasks_arm.cpp

@@ -105,6 +105,10 @@ void mixerTask(void * pdata)
       return;
 #endif
 
+#if defined(PCBTARANIS)
+    processSbusInput();
+#endif
+
     CoTickDelay(1);
 
     uint32_t now = CoGetOSTime();