diff --git a/radio/src/targets/sky9x/board.h b/radio/src/targets/sky9x/board.h
index c49fd1119..07861eb69 100644
--- a/radio/src/targets/sky9x/board.h
+++ b/radio/src/targets/sky9x/board.h
@@ -261,6 +261,8 @@ void init_pxx(uint32_t port);
 void disable_pxx(uint32_t port);
 void init_serial(uint32_t port, uint32_t baudrate, uint32_t period_half_us);
 void disable_serial(uint32_t port);
+void init_module_timer( uint32_t module_index, uint32_t period, uint8_t state);
+void disable_module_timer( uint32_t module_index);
 
 // SD driver
 #if defined(SIMU)
@@ -405,8 +407,12 @@ void debugPutc(const char c);
 // Telemetry driver
 void telemetryPortInit(uint32_t baudrate, uint8_t mode);
 uint32_t telemetryTransmitPending();
-void telemetryTransmitBuffer(uint8_t * buffer, uint32_t size);
+void telemetryTransmitBuffer(const uint8_t * buffer, uint32_t size);
 void rxPdcUsart( void (*pChProcess)(uint8_t x) );
+inline void sportSendBuffer(const uint8_t * buffer, uint32_t size)
+{
+  telemetryTransmitBuffer(buffer, size);
+}
 
 // Second UART driver
 void serial2TelemetryInit(unsigned int protocol);
diff --git a/radio/src/targets/sky9x/pulses_driver.cpp b/radio/src/targets/sky9x/pulses_driver.cpp
index 34f24f2cf..4764b1c43 100644
--- a/radio/src/targets/sky9x/pulses_driver.cpp
+++ b/radio/src/targets/sky9x/pulses_driver.cpp
@@ -129,6 +129,22 @@ void init_no_pulses(uint32_t port)
   }
 }
 
+void init_module_timer(uint32_t port, uint32_t period, uint8_t state)
+{
+  if (port == EXTERNAL_MODULE) {
+    // TODO use period here
+    init_main_ppm(3000, 0);
+  }
+}
+
+void disable_module_timer(uint32_t port)
+{
+  if (port == EXTERNAL_MODULE) {
+    disable_ppm(EXTERNAL_MODULE);
+  }
+}
+
+
 void disable_no_pulses(uint32_t port)
 {
   if (port == EXTERNAL_MODULE) {
diff --git a/radio/src/targets/sky9x/telemetry_driver.cpp b/radio/src/targets/sky9x/telemetry_driver.cpp
index e9dc3edaa..e26a63be6 100644
--- a/radio/src/targets/sky9x/telemetry_driver.cpp
+++ b/radio/src/targets/sky9x/telemetry_driver.cpp
@@ -135,12 +135,11 @@ void rxPdcUsart( void (*pChProcess)(uint8_t x) )
 #endif
 }
 
-uint32_t txPdcUsart(uint8_t *buffer, uint32_t size)
+uint32_t txPdcUsart(const uint8_t * buffer, uint32_t size)
 {
-  Usart *pUsart = SECOND_USART;
+  Usart * pUsart = SECOND_USART;
 
-  if ( pUsart->US_TNCR == 0 )
-  {
+  if (pUsart->US_TNCR == 0) {
 #ifndef SIMU
     pUsart->US_TNPR = (uint32_t)buffer ;
 #endif
@@ -174,7 +173,7 @@ void telemetryPortInit(uint32_t baudrate, uint8_t mode)
 #endif
 }
 
-void telemetryTransmitBuffer(uint8_t * buffer, uint32_t size)
+void telemetryTransmitBuffer(const uint8_t * buffer, uint32_t size)
 {
   txPdcUsart(buffer, size);
 }
diff --git a/radio/src/telemetry/telemetry.cpp b/radio/src/telemetry/telemetry.cpp
index cfa7cb7ec..b40033783 100644
--- a/radio/src/telemetry/telemetry.cpp
+++ b/radio/src/telemetry/telemetry.cpp
@@ -38,7 +38,6 @@ uint8_t telemetryProtocol = 255;
 uint8_t serialInversion = 0;
 #endif
 
-
 void processTelemetryData(uint8_t data)
 {
 #if defined(CROSSFIRE)
diff --git a/radio/src/telemetry/telemetry.h b/radio/src/telemetry/telemetry.h
index 1b97a850e..3170bae7f 100644
--- a/radio/src/telemetry/telemetry.h
+++ b/radio/src/telemetry/telemetry.h
@@ -97,7 +97,6 @@ void delTelemetryIndex(uint8_t index);
 int availableTelemetryIndex();
 int lastUsedTelemetryIndex();
 
-int32_t getTelemetryValue(uint8_t index, uint8_t & prec);
 int32_t convertTelemetryValue(int32_t value, uint8_t unit, uint8_t prec, uint8_t destUnit, uint8_t destPrec);
 
 void frskySportSetDefault(int index, uint16_t id, uint8_t subId, uint8_t instance);
@@ -107,7 +106,7 @@ void frskyDSetDefault(int index, uint16_t id);
 #define IS_SPEED_UNIT(unit)            ((unit) >= UNIT_KTS && (unit) <= UNIT_MPH)
 
 extern uint8_t telemetryProtocol;
-#define IS_FRSKY_D_PROTOCOL()          (telemetryProtocol == PROTOCOL_FRSKY_D)
+
 #if defined (MULTIMODULE)
 #define IS_D16_MULTI()                 ((g_model.moduleData[EXTERNAL_MODULE].getMultiProtocol(false) == MM_RF_PROTO_FRSKY) && (g_model.moduleData[EXTERNAL_MODULE].subType == MM_RF_FRSKY_SUBTYPE_D16 || g_model.moduleData[EXTERNAL_MODULE].subType == MM_RF_FRSKY_SUBTYPE_D16_8CH))
 #define IS_FRSKY_SPORT_PROTOCOL()      (telemetryProtocol == PROTOCOL_TELEMETRY_FRSKY_SPORT || (telemetryProtocol == PROTOCOL_TELEMETRY_MULTIMODULE && IS_D16_MULTI()))