More work on pulses ...

radio/src/targets/horus/extmodule_driver.cpp

@@ -65,7 +65,6 @@ void extmoduleTimerStart(uint32_t period, uint8_t state)
   NVIC_SetPriority(EXTMODULE_TIMER_IRQn, 7);
 }
 
-
 void extmodulePpmStart()
 {
   EXTERNAL_MODULE_ON();
@@ -165,6 +164,11 @@ void extmodulePxxStart()
   NVIC_SetPriority(EXTMODULE_TIMER_IRQn, 7);
 }
 
+void extmodulePxx2Start()
+{
+  // TODO just enable the S.PORT line (or let telemetry init do it)
+}
+
 #if defined(DSM2)
 void extmoduleSerialStart(uint32_t /*baudrate*/, uint32_t period_half_us)
 {