diff --git a/radio/src/targets/common/arm/stm32/watchdog_driver.h b/radio/src/targets/common/arm/stm32/watchdog_driver.h
new file mode 100644
index 000000000..b47a60de9
--- /dev/null
+++ b/radio/src/targets/common/arm/stm32/watchdog_driver.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) EdgeTX
+ *
+ * Based on code named
+ *   opentx - https://github.com/opentx/opentx
+ *   th9x - http://code.google.com/p/th9x
+ *   er9x - http://code.google.com/p/er9x
+ *   gruvin9x - http://code.google.com/p/gruvin9x
+ *
+ * License GPLv2: http://www.gnu.org/licenses/gpl-2.0.html
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#pragma once
+
+#define WDG_DURATION                              500 /*ms*/
+void watchdogInit(unsigned int duration);
+#if defined(SIMU)
+  #define WAS_RESET_BY_WATCHDOG()               (false)
+  #define WAS_RESET_BY_SOFTWARE()               (false)
+  #define WAS_RESET_BY_WATCHDOG_OR_SOFTWARE()   (false)
+  #define WDG_ENABLE(x)
+  #define WDG_RESET()
+#else
+  #if defined(WATCHDOG)
+    #define WDG_ENABLE(x)                       watchdogInit(x)
+    #define WDG_RESET()                         IWDG->KR = 0xAAAA
+  #else
+    #define WDG_ENABLE(x)
+    #define WDG_RESET()
+  #endif
+  #define WAS_RESET_BY_WATCHDOG()               (RCC->CSR & (RCC_CSR_WDGRSTF | RCC_CSR_WWDGRSTF))
+  #define WAS_RESET_BY_SOFTWARE()               (RCC->CSR & RCC_CSR_SFTRSTF)
+  #define WAS_RESET_BY_WATCHDOG_OR_SOFTWARE()   (RCC->CSR & (RCC_CSR_WDGRSTF | RCC_CSR_WWDGRSTF | RCC_CSR_SFTRSTF))
+#endif
diff --git a/radio/src/targets/horus/board.h b/radio/src/targets/horus/board.h
index d982ec70e..1f81adda0 100644
--- a/radio/src/targets/horus/board.h
+++ b/radio/src/targets/horus/board.h
@@ -27,6 +27,8 @@
 #include "board_common.h"
 #include "hal.h"
 
+#include "watchdog_driver.h"
+
 #if defined(HARDWARE_TOUCH)
 #include "tp_gt911.h"
 #endif
@@ -314,29 +316,6 @@ uint32_t readTrims();
 void rotaryEncoderInit();
 void rotaryEncoderCheck();
 
-// WDT driver
-#define WDG_DURATION                              500 /*ms*/
-
-void watchdogInit(unsigned int duration);
-#if defined(SIMU)
-  #define WAS_RESET_BY_WATCHDOG()               (false)
-  #define WAS_RESET_BY_SOFTWARE()               (false)
-  #define WAS_RESET_BY_WATCHDOG_OR_SOFTWARE()   (false)
-  #define WDG_ENABLE(x)
-  #define WDG_RESET()
-#else
-  #if defined(WATCHDOG)
-    #define WDG_ENABLE(x)                       watchdogInit(x)
-    #define WDG_RESET()                         IWDG->KR = 0xAAAA
-  #else
-    #define WDG_ENABLE(x)
-    #define WDG_RESET()
-  #endif
-  #define WAS_RESET_BY_WATCHDOG()               (RCC->CSR & (RCC_CSR_WDGRSTF | RCC_CSR_WWDGRSTF))
-  #define WAS_RESET_BY_SOFTWARE()               (RCC->CSR & RCC_CSR_SFTRSTF)
-  #define WAS_RESET_BY_WATCHDOG_OR_SOFTWARE()   (RCC->CSR & (RCC_CSR_WDGRSTF | RCC_CSR_WWDGRSTF | RCC_CSR_SFTRSTF))
-#endif
-
 // ADC driver
 
 #if defined(PCBX10)
diff --git a/radio/src/targets/nv14/board.h b/radio/src/targets/nv14/board.h
index 1ddbce128..efa7d5e53 100644
--- a/radio/src/targets/nv14/board.h
+++ b/radio/src/targets/nv14/board.h
@@ -37,6 +37,7 @@
 #include "touch_driver.h"
 #include "lcd_driver.h"
 #include "battery_driver.h"
+#include "watchdog_driver.h"
 
 #define FLASHSIZE                       0x200000
 #define BOOTLOADER_SIZE                 0x20000
@@ -244,27 +245,6 @@ bool getTrimsAsButtons();
 #define DBLKEYS_PRESSED_RGT_UP(in)      (false)
 #define DBLKEYS_PRESSED_LFT_DWN(in)     (false)
 
-#define WDG_DURATION                              500 /*ms*/
-void watchdogInit(unsigned int duration);
-#if defined(SIMU)
-  #define WAS_RESET_BY_WATCHDOG()               (false)
-  #define WAS_RESET_BY_SOFTWARE()               (false)
-  #define WAS_RESET_BY_WATCHDOG_OR_SOFTWARE()   (false)
-  #define WDG_ENABLE(x)
-  #define WDG_RESET()
-#else
-  #if defined(WATCHDOG)
-    #define WDG_ENABLE(x)                       watchdogInit(x)
-    #define WDG_RESET()                         IWDG->KR = 0xAAAA
-  #else
-    #define WDG_ENABLE(x)
-    #define WDG_RESET()
-  #endif
-  #define WAS_RESET_BY_WATCHDOG()               (RCC->CSR & (RCC_CSR_WDGRSTF | RCC_CSR_WWDGRSTF))
-  #define WAS_RESET_BY_SOFTWARE()               (RCC->CSR & RCC_CSR_SFTRSTF)
-  #define WAS_RESET_BY_WATCHDOG_OR_SOFTWARE()   (RCC->CSR & (RCC_CSR_WDGRSTF | RCC_CSR_WWDGRSTF | RCC_CSR_SFTRSTF))
-#endif
-
 // ADC driver
 #define NUM_POTS                        2
 #define NUM_XPOTS                       0 // NUM_POTS
diff --git a/radio/src/targets/simu/backlight_driver.cpp b/radio/src/targets/simu/backlight_driver.cpp
index 43a3c25e0..fcb70cc72 100644
--- a/radio/src/targets/simu/backlight_driver.cpp
+++ b/radio/src/targets/simu/backlight_driver.cpp
@@ -20,4 +20,5 @@
  */
 
 void backlightEnable(unsigned char) {}
+void backlightEnable(unsigned char, unsigned char) {}
 void backlightDisable() {}
diff --git a/radio/src/targets/simu/led_driver.cpp b/radio/src/targets/simu/led_driver.cpp
index d0b37c62e..6ff57c411 100644
--- a/radio/src/targets/simu/led_driver.cpp
+++ b/radio/src/targets/simu/led_driver.cpp
@@ -21,5 +21,6 @@
 
 void usbChargerLed() {}
 void ledRed() {}
+void ledGreen() {}
 void ledBlue() {}
 void ledOff() {}
diff --git a/radio/src/targets/simu/module_drivers.cpp b/radio/src/targets/simu/module_drivers.cpp
index 644fb47fc..c82c33fc1 100644
--- a/radio/src/targets/simu/module_drivers.cpp
+++ b/radio/src/targets/simu/module_drivers.cpp
@@ -28,6 +28,8 @@ ModuleFifo intmoduleFifo;
 void intmoduleStop() {}
 void intmoduleFifoError() {}
 void intmoduleFifoReceive(uint8_t){}
+void intmodulePxx1PulsesStart() {}
+void intmoduleSendNextFramePxx1() {}
 
 void extmoduleStop() {}
 void extmodulePpmStart() {}
diff --git a/radio/src/targets/taranis/board.h b/radio/src/targets/taranis/board.h
index 4506028c0..7b422d992 100644
--- a/radio/src/targets/taranis/board.h
+++ b/radio/src/targets/taranis/board.h
@@ -28,6 +28,8 @@
 #include "board_common.h"
 #include "hal.h"
 
+#include "watchdog_driver.h"
+
 #if defined(RADIO_TX12) || defined(RADIO_ZORRO)
   #define  NAVIGATION_X7_TX12
 #endif
@@ -516,20 +518,6 @@ uint8_t getFSPhysicalState(uint8_t index);
 #define TRIMS_PRESSED()                 (readTrims())
 #define KEYS_PRESSED()                  (readKeys())
 
-// WDT driver
-#define WDG_DURATION                      500 /*ms*/
-#if !defined(WATCHDOG) || defined(SIMU)
-  #define WDG_ENABLE(x)
-  #define WDG_RESET()
-#else
-  #define WDG_ENABLE(x)                 watchdogInit(x)
-  #define WDG_RESET()                   IWDG->KR = 0xAAAA
-#endif
-void watchdogInit(unsigned int duration);
-#define WAS_RESET_BY_SOFTWARE()             (RCC->CSR & RCC_CSR_SFTRSTF)
-#define WAS_RESET_BY_WATCHDOG()             (RCC->CSR & (RCC_CSR_WDGRSTF | RCC_CSR_WWDGRSTF))
-#define WAS_RESET_BY_WATCHDOG_OR_SOFTWARE() (RCC->CSR & (RCC_CSR_WDGRSTF | RCC_CSR_WWDGRSTF | RCC_CSR_SFTRSTF))
-
 // ADC driver
 enum Analogs {
   STICK1,