From 1a5d62262d52f9455bb80671af015a48e0d4f8af Mon Sep 17 00:00:00 2001
From: Bertrand Songis <bsongis@gmail.com>
Date: Sat, 18 May 2019 23:47:30 +0200
Subject: [PATCH] #6331

---
 radio/src/pulses/modules.h                | 2 +-
 radio/src/pulses/pulses.h                 | 4 ++++
 radio/src/targets/sky9x/pulses_driver.cpp | 2 ++
 3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/radio/src/pulses/modules.h b/radio/src/pulses/modules.h
index c2edea7f0..8a753b575 100644
--- a/radio/src/pulses/modules.h
+++ b/radio/src/pulses/modules.h
@@ -79,7 +79,7 @@ inline bool isModuleCrossfire(uint8_t idx)
 #if defined(PCBSKY9X)
 inline bool isExtraModule(uint8_t idx)
 {
-  return idx == EXTRA_MODULE);
+  return idx == EXTRA_MODULE;
 }
 #else
 inline bool isExtraModule(uint8_t)
diff --git a/radio/src/pulses/pulses.h b/radio/src/pulses/pulses.h
index da9d224d6..9a9382f31 100644
--- a/radio/src/pulses/pulses.h
+++ b/radio/src/pulses/pulses.h
@@ -329,6 +329,10 @@ inline void startPulses()
   setupPulses(EXTERNAL_MODULE);
 #endif
 
+#if defined(PCBSKY9X)
+  init_ppm(EXTRA_MODULE);
+#endif
+
 #if defined(HUBSAN)
   Hubsan_Init();
 #endif
diff --git a/radio/src/targets/sky9x/pulses_driver.cpp b/radio/src/targets/sky9x/pulses_driver.cpp
index 839e3a958..039925e68 100644
--- a/radio/src/targets/sky9x/pulses_driver.cpp
+++ b/radio/src/targets/sky9x/pulses_driver.cpp
@@ -105,6 +105,8 @@ void init_second_ppm(uint32_t period)
   pwmptr->PWM_CH_NUM[1].PWM_CDTYUPD = GET_MODULE_PPM_DELAY(EXTRA_MODULE)*2;   // Duty
   pwmptr->PWM_ENA = PWM_ENA_CHID1;                                     // Enable channel 1
   pwmptr->PWM_IER1 = PWM_IER1_CHID1;
+
+  setExtraModulePolarity();
 #endif
 }