diff --git a/radio/util/build.py b/radio/util/build.py
new file mode 100644
index 000000000..a3c286874
--- /dev/null
+++ b/radio/util/build.py
@@ -0,0 +1,179 @@
+#!/usr/bin/env python
+
+import os
+import sys
+from fwoptions import *
+
+# Board types
+BOARD_9X = 0
+BOARD_GRUVIN9X = 1
+BOARD_SKY9X = 2
+BOARD_TARANIS = 3
+BOARD_HORUS = 4
+
+# Board families
+BOARD_FAMILY_AVR = 0
+BOARD_FAMILY_ARM = 1
+
+srcdir = os.path.dirname(os.path.realpath(__file__)) + "/../.."
+filename = sys.argv[1]
+root, ext = os.path.splitext(filename)
+options = root.split("-")
+
+if options[0] != "opentx":
+    sys.exit("Invalid firmware");
+
+filename = "opentx-"
+optcount = 1
+
+command_options = {}
+
+if options[optcount] == "9x":
+  command_options["PCB"] = "9X"
+  firmware_options = options_9x
+  maxsize = 65536
+  board = BOARD_9X
+  board_family = BOARD_FAMILY_AVR
+elif options[optcount] == "9xr":
+  command_options["PCB"] = "9XR"
+  firmware_options = options_9x
+  maxsize = 65536
+  board = BOARD_9X
+  board_family = BOARD_FAMILY_AVR
+elif options[optcount] == "9x128":
+  command_options["PCB"] = "9X128"
+  command_options["FRSKY_STICKS"] = "YES"
+  firmware_options = options_9x128
+  maxsize = 65536*2
+  board = BOARD_9X
+  board_family = BOARD_FAMILY_AVR
+elif options[optcount] == "9xr128":
+  command_options["PCB"] = "9XR128"
+  command_options["FRSKY_STICKS"] = "YES"
+  firmware_options = options_9x128
+  maxsize = 65536*2
+  board = BOARD_9X
+  board_family = BOARD_FAMILY_AVR
+elif options[optcount] == "gruvin9x":
+  command_options["PCB"] = "GRUVIN9X"
+  command_options["EXT"] = "FRSKY"
+  firmware_options = options_gruvin9x
+  maxsize = 65536*4
+  board = BOARD_GRUVIN9X
+  board_family = BOARD_FAMILY_AVR
+elif options[optcount] == "mega2560":
+  command_options["PCB"] = "MEGA2560"
+  command_options["EXT"] = "FRSKY"
+  firmware_options = options_mega2560
+  maxsize = 65536*4
+  board = BOARD_GRUVIN9X
+  board_family = BOARD_FAMILY_AVR
+elif options[optcount] == "sky9x":
+  command_options["PCB"] = "SKY9X"
+  firmware_options = options_sky9x
+  maxsize = 65536*4
+  board = BOARD_SKY9X
+  board_family = BOARD_FAMILY_ARM
+elif options[optcount] == "9xrpro":
+  command_options["PCB"] = "9XRPRO"
+  command_options["SDCARD"] = "YES"
+  firmware_options = options_sky9x
+  maxsize = 65536*4
+  board = BOARD_SKY9X
+  board_family = BOARD_FAMILY_ARM
+elif options[optcount] == "ar9x":
+  command_options["PCB"] = "AR9X"
+  command_options["SDCARD"] = "YES"
+  command_options["HARDWARE_VOLUME"] = "NO"
+  firmware_options = options_ar9x
+  maxsize = 65536*4
+  board = BOARD_SKY9X
+  board_family = BOARD_FAMILY_ARM
+elif options[optcount] == "taranis":
+  command_options["PCB"] = "TARANIS"
+  firmware_options = options_taranis
+  maxsize = 65536*8
+  board = BOARD_TARANIS
+  board_family = BOARD_FAMILY_ARM
+elif options[optcount] == "taranisplus":
+  command_options["PCB"] = "TARANIS"
+  command_options["PCBREV"] = "REVPLUS"
+  firmware_options = options_taranisplus
+  maxsize = 65536*8
+  board = BOARD_TARANIS
+  board_family = BOARD_FAMILY_ARM
+elif options[optcount] == "taranisx9e":
+  command_options["PCB"] = "TARANIS"
+  command_options["PCBREV"] = "REV9E"
+  firmware_options = options_taranisx9e
+  maxsize = 65536*8
+  board = BOARD_TARANIS
+  board_family = BOARD_FAMILY_ARM
+elif options[optcount] == "horus":
+  command_options["PCB"] = "HORUS"
+  firmware_options = options_horus
+  maxsize = 2*1024*1024
+  board = BOARD_HORUS
+  board_family = BOARD_FAMILY_ARM
+else:
+  sys.exit("Unknown board")
+
+filename += options[optcount]
+optcount += 1
+
+# The firmware options
+for opt, value in firmware_options.items():
+  found = False
+  for i in range(optcount, len(options)):
+    if options[i] == opt:
+      found = True
+      break
+
+  if found:
+    optvalue = value[1];
+    filename += "-" + opt;
+  else:
+    optvalue = value[2]
+
+  if optvalue != None:
+    command_options[value[0]] = optvalue
+
+# The firmware display language
+language = ""
+for key in languages:
+  if key == options[-1]:
+    language = key
+if not language:
+  sys.exit("Invalid language")
+command_options["TRANSLATIONS"] = language.upper()
+filename += "-" + language
+
+if board_family == BOARD_FAMILY_ARM:
+    ext = ".bin"
+else:
+    ext = ".hex"
+filename += ext
+firmware = "firmware" + ext
+
+# Launch CMake
+cmd = "cmake"
+for opt, value in command_options.items():
+   cmd += " -D%s=%s" % (opt, value)
+cmd += " " + srcdir
+if "OPENTX_VERSION_SUFFIX" in os.environ:
+   cmd += ' -DVERSION_SUFFIX="%s"' % os.environ["OPENTX_VERSION_SUFFIX"]
+print cmd
+os.system(cmd)
+
+# Launch make firmware
+cmd = "make firmware"
+os.system(cmd)
+
+# Check binary size
+if board_family == BOARD_FAMILY_ARM:
+    size = os.stat(firmware).st_size
+else:
+    os.system("avr-size -A %s | grep Total | cut -f2- -d \" \" > ./size" % firmware)
+    size = file("./size").read().strip()
+if int(size) > maxsize:
+    exit("Invalid size")
diff --git a/radio/util/fwoptions.py b/radio/util/fwoptions.py
new file mode 100644
index 000000000..24f910a52
--- /dev/null
+++ b/radio/util/fwoptions.py
@@ -0,0 +1,308 @@
+#!/usr/bin/env python
+
+languages = (
+  "en",
+  "fr",
+  "se",
+  "it",
+  "cz",
+  "de",
+  "pt",
+  "es",
+  "pl",
+  "nl"
+)
+
+tts_avr = {
+  "ttsen": ("TTS", "EN", None),
+  "ttsfr": ("TTS", "FR", None),
+  "ttsit": ("TTS", "IT", None),
+  "ttscz": ("TTS", "CZ", None),
+  "ttsde": ("TTS", "DE", None),
+  "ttspt": ("TTS", "PT", None),
+}
+
+options_9x_ext = {
+  "nmea": ("EXT", "NMEA", None),
+  "frsky": ("EXT", "FRSKY", None),
+  "telemetrez": ("EXT", "TELEMETREZ", None),
+  "jeti": ("EXT", "JETI", None),
+  "ardupilot": ("EXT", "ARDUPILOT", None),
+  "mavlink": ("EXT", "MAVLINK", None),
+}
+
+options_9x = {
+  "heli": ("HELI", "YES", "NO"),
+  "templates": ("TEMPLATES", "YES", "NO"),
+  "nosplash": ("SPLASH", "NO", "YES"),
+  "nofp": ("FLIGHT_MODES", "NO", "YES"),
+  "nocurves": ("CURVES", "NO", "YES"),
+  "audio": ("AUDIO", "YES", "NO"),
+  "voice": ("VOICE", "YES", "NO"),
+  "haptic": ("HAPTIC", "YES", "NO"),
+  "pwmbl": ("PWM_BACKLIGHT", "YES", "NO"),
+  "turnigyfix": ("TURNIGY_TRANSMITTER_FIX", "YES", "NO"),
+  "acurStats": ("ACCURAT_THROTTLE_STATS", "YES", "NO"),
+  "arithOvfl": ("ARITHMETIC_OVERFLOW_CHECK", "YES", "NO"),
+  # "PXX": ("PXX", "YES", "NO"),
+  "DSM2": ("DSM2", "PPM ", "NO"),
+  "potscroll": ("NAVIGATION", "POTS ", "NO"),
+  "rotenc": ("NAVIGATION", "ROTENC ", "NO"),
+  "sp22": ("SP22", "YES", "NO"),
+  "autosource": ("AUTOSOURCE", "YES", "NO"),
+  "autoswitch": ("AUTOSWITCH", "YES", "NO"),
+  "dblkeys": ("DBLKEYS", "YES", "NO"),
+  "ppmca": ("PPM_CENTER_ADJUSTABLE", "YES", "NO"),
+  "ppmus": ("PPM_UNIT", "US", "PERCENT_PREC1"),
+  "gvars": ("GVARS", "YES", "NO"),
+  "symlimits": ("PPM_LIMITS_SYMETRICAL", "YES", "NO"),
+  "nographics": ("GRAPHICS", "NO", "YES"),
+  "battgraph": ("BATTGRAPH", "YES", "NO"),
+  "nobold": ("BOLD", "NO", "YES"),
+  "sqt5font": ("FONT", "SQT5 ", None),
+  "thrtrace": ("THR_TRACE", "YES", "NO"),
+  "pgbar": ("EEPROM_PROGRESS_BAR", "YES", "NO"),
+  "imperial": ("UNITS", "IMPERIAL", "METRIC"),
+  "nogps": ("GPS", "NO", "YES"),
+  "nogauges": ("GAUGES", "NO", "YES"),
+  "novario": ("VARIO", "NO", "YES"),
+  "nowshh": ("WS_HOW_HIGH", "NO", "YES"),
+  "faimode": ("FAI", "YES", None),
+  "faichoice": ("FAI", "CHOICE ", None),
+  "fasoffset": ("FAS_OFFSET", "YES", "NO"),
+  "nooverridech": ("OVERRIDE_CHANNEL_FUNCTION", "NO", "YES"),
+  "stickrev": ("FRSKY_STICKS", "YES", "NO")
+}
+
+options_9x.update(options_9x_ext)
+options_9x.update(tts_avr)
+
+options_9x128 = {
+  "heli": ("HELI", "YES", "NO"),
+  "templates": ("TEMPLATES", "YES", "NO"),
+  "nosplash": ("SPLASH", "NO", "YES"),
+  "nofp": ("FLIGHT_MODES", "NO", "YES"),
+  "nocurves": ("CURVES", "NO", "YES"),
+  "audio": ("AUDIO", "YES", "NO"),
+  "voice": ("VOICE", "YES", "NO"),
+  "haptic": ("HAPTIC", "YES", "NO"),
+  "pwmbl": ("PWM_BACKLIGHT", "YES", "NO"),
+  "turnigyfix": ("TURNIGY_TRANSMITTER_FIX", "YES", "NO"),
+  # "PXX": ("PXX", "YES", "NO"),
+  "DSM2": ("DSM2", "PPM", "NO"),
+  "potscroll": ("NAVIGATION", "POTS", "NO"),
+  "rotenc": ("NAVIGATION", "ROTENC", "NO"),
+  "sp22": ("SP22", "YES", "NO"),
+  "autosource": ("AUTOSOURCE", "YES", "NO"),
+  "autoswitch": ("AUTOSWITCH", "YES", "NO"),
+  "dblkeys": ("DBLKEYS", "YES", "NO"),
+  "ppmca": ("PPM_CENTER_ADJUSTABLE", "YES", "NO"),
+  "ppmus": ("PPM_UNIT", "US", "PERCENT_PREC1"),
+  "gvars": ("GVARS", "YES", "NO"),
+  "symlimits": ("PPM_LIMITS_SYMETRICAL", "YES", "NO"),
+  "nographics": ("GRAPHICS", "NO", "YES"),
+  "battgraph": ("BATTGRAPH", "YES", "NO"),
+  "nobold": ("BOLD", "NO", "YES"),
+  "sqt5font": ("FONT", "SQT5", None),
+  "thrtrace": ("THR_TRACE", "YES", "NO"),
+  "pgbar": ("EEPROM_PROGRESS_BAR", "YES", "NO"),
+  "imperial": ("UNITS", "IMPERIAL", "METRIC"),
+  "nogps": ("GPS", "NO", "YES"),
+  "nogauges": ("GAUGES", "NO", "YES"),
+  "novario": ("VARIO", "NO", "YES"),
+  "nowshh": ("WS_HOW_HIGH", "NO", "YES"),
+  "faimode": ("FAI", "YES", None),
+  "faichoice": ("FAI", "CHOICE", None),
+  "nooverridech": ("OVERRIDE_CHANNEL_FUNCTION", "NO", "YES")
+}
+
+options_9x128.update(options_9x_ext)
+options_9x128.update(tts_avr)
+
+options_gruvin9x = {
+  "heli": ("HELI", "YES", "NO"),
+  "templates": ("TEMPLATES", "YES", "NO"),
+  "nofp": ("FLIGHT_MODES", "NO", "YES"),
+  "nocurves": ("CURVES", "NO", "YES"),
+  "sdcard": ("SDCARD", "YES", "NO"),
+  "voice": ("VOICE", "YES", "NO"),
+  "PXX": ("PXX", "YES", "NO"),
+  "DSM2": ("DSM2", "SERIAL", "NO"),
+  "DSM2PPM": ("DSM2", "PPM", "NO"),
+  "potscroll": ("NAVIGATION", "POTS", "NO"),
+  "ppmca": ("PPM_CENTER_ADJUSTABLE", "YES", "NO"),
+  "ppmus": ("PPM_UNIT", "US", "PERCENT_PREC1"),
+  "gvars": ("GVARS", "YES", "NO"),
+  "symlimits": ("PPM_LIMITS_SYMETRICAL", "YES", "NO"),
+  "autosource": ("AUTOSOURCE", "YES", "NO"),
+  "autoswitch": ("AUTOSWITCH", "YES", "NO"),
+  "dblkeys": ("DBLKEYS", "YES", "NO"),
+  "nographics": ("GRAPHICS", "NO", "YES"),
+  "battgraph": ("BATTGRAPH", "YES", "NO"),
+  "nobold": ("BOLD", "NO", "YES"),
+  "sqt5font": ("FONT", "SQT5", None),
+  "pgbar": ("EEPROM_PROGRESS_BAR", "YES", "NO"),
+  "imperial": ("UNITS", "IMPERIAL", "METRIC"),
+  "faimode": ("FAI", "YES", None),
+  "faichoice": ("FAI", "CHOICE", None),
+  "nooverridech": ("OVERRIDE_CHANNEL_FUNCTION", "NO", "YES")
+}
+
+options_gruvin9x.update(tts_avr)
+
+options_mega2560 = {
+  "heli": ("HELI", "YES", "NO"),
+  "templates": ("TEMPLATES", "YES", "NO"),
+  "nofp": ("FLIGHT_MODES", "NO", "YES"),
+  "nocurves": ("CURVES", "NO", "YES"),
+  "PWR": ("PWRMANAGE", "YES", "NO"),
+  "sdcard": ("SDCARD", "YES", "NO"),
+  "voice": ("VOICE", "YES", "NO"),
+  "PXX": ("PXX", "YES", "NO"),
+  "DSM2": ("DSM2", "SERIAL", "NO"),
+  "DSM2PPM": ("DSM2", "PPM", "NO"),
+  "ST7565R": ("LCD", "ST7565R", None),
+  "ERC12864FSF": ("LCD", "ERC12864FSF", None),
+  "ST7920": ("LCD", "ST7920", None),
+  "potscroll": ("NAVIGATION", "POTS", "NO"),
+  "ppmca": ("PPM_CENTER_ADJUSTABLE", "YES", "NO"),
+  "ppmus": ("PPM_UNIT", "US", "PERCENT_PREC1"),
+  "gvars": ("GVARS", "YES", "NO"),
+  "symlimits": ("PPM_LIMITS_SYMETRICAL", "YES", "NO"),
+  "autosource": ("AUTOSOURCE", "YES", "NO"),
+  "autoswitch": ("AUTOSWITCH", "YES", "NO"),
+  "dblkeys": ("DBLKEYS", "YES", "NO"),
+  "nographics": ("GRAPHICS", "NO", "YES"),
+  "battgraph": ("BATTGRAPH", "YES", "NO"),
+  "nobold": ("BOLD", "NO", "YES"),
+  "sqt5font": ("FONT", "SQT5", None),
+  "pgbar": ("EEPROM_PROGRESS_BAR", "YES", "NO"),
+  "imperial": ("UNITS", "IMPERIAL", "METRIC"),
+  "faimode": ("FAI", "YES", None),
+  "faichoice": ("FAI", "CHOICE", None),
+  "nooverridech": ("OVERRIDE_CHANNEL_FUNCTION", "NO", "YES")
+}
+
+options_mega2560.update(tts_avr)
+
+options_sky9x = {
+  "heli": ("HELI", "YES", "NO"),
+  "templates": ("TEMPLATES", "YES", "NO"),
+  "nofp": ("FLIGHT_MODES", "NO", "YES"),
+  "nocurves": ("CURVES", "NO", "YES"),
+  "ppmca": ("PPM_CENTER_ADJUSTABLE", "YES", "NO"),
+  "ppmus": ("PPM_UNIT", "US", "PERCENT_PREC1"),
+  "gvars": ("GVARS", "YES", "NO"),
+  "symlimits": ("PPM_LIMITS_SYMETRICAL", "YES", "NO"),
+  "potscroll": ("NAVIGATION", "POTS", "NO"),
+  "autosource": ("AUTOSOURCE", "YES", "NO"),
+  "autoswitch": ("AUTOSWITCH", "YES", "NO"),
+  "dblkeys": ("DBLKEYS", "YES", "NO"),
+  "nographics": ("GRAPHICS", "NO", "YES"),
+  "battgraph": ("BATTGRAPH", "YES", "NO"),
+  "nobold": ("BOLD", "NO", "YES"),
+  "sqt5font": ("FONT", "SQT5", None),
+  "imperial": ("UNITS", "IMPERIAL", "METRIC"),
+  "bluetooth": ("BLUETOOTH", "YES", "NO"),
+  "faimode": ("FAI", "YES", None),
+  "faichoice": ("FAI", "CHOICE", None),
+  "nooverridech": ("OVERRIDE_CHANNEL_FUNCTION", "NO", "YES")
+}
+
+options_ar9x = {
+  "heli": ("HELI", "YES", "NO"),
+  "templates": ("TEMPLATES", "YES", "NO"),
+  "nofp": ("FLIGHT_MODES", "NO", "YES"),
+  "nocurves": ("CURVES", "NO", "YES"),
+  "ppmca": ("PPM_CENTER_ADJUSTABLE", "YES", "NO"),
+  "ppmus": ("PPM_UNIT", "US", "PERCENT_PREC1"),
+  "gvars": ("GVARS", "YES", "NO"),
+  "symlimits": ("PPM_LIMITS_SYMETRICAL", "YES", "NO"),
+  "potscroll": ("NAVIGATION", "POTS", "NO"),
+  "autosource": ("AUTOSOURCE", "YES", "NO"),
+  "autoswitch": ("AUTOSWITCH", "YES", "NO"),
+  "dblkeys": ("DBLKEYS", "YES", "NO"),
+  "nographics": ("GRAPHICS", "NO", "YES"),
+  "battgraph": ("BATTGRAPH", "YES", "NO"),
+  "nobold": ("BOLD", "NO", "YES"),
+  "sqt5font": ("FONT", "SQT5", None),
+  "imperial": ("UNITS", "IMPERIAL", "METRIC"),
+  "bluetooth": ("BLUETOOTH", "YES", "NO"),
+  "faimode": ("FAI", "YES", None),
+  "faichoice": ("FAI", "CHOICE", None),
+  "nooverridech": ("OVERRIDE_CHANNEL_FUNCTION", "NO", "YES"),
+  # "rtc": ("RTCLOCK", "YES", "NO"),
+  # "volume": ("HARDWARE_VOLUME", "YES", "NO") # Renove HARDWARE_VOLUME=NO in the commandline below when activating!
+}
+
+options_taranis = {
+  "noheli": ("HELI", "NO", "YES"),
+  "ppmus": ("PPM_UNIT", "US", "PERCENT_PREC1"),
+  "lua": ("LUA", "YES", "NO_MODEL_SCRIPTS"),
+  "haptic": ("HAPTIC", "YES", "NO"),
+  "nogvars": ("GVARS", "NO", "YES"),
+  "sqt5font": ("FONT", "SQT5", None),
+  "faimode": ("FAI", "YES", None),
+  "faichoice": ("FAI", "CHOICE", None),
+  "nooverridech": ("OVERRIDE_CHANNEL_FUNCTION", "NO", "YES"),
+  "massstorage": ("USB", "MASSSTORAGE", None),
+  "cli": ("USB", "SERIAL", None),
+  "mixersmon": ("MIXERS_MONITOR", "YES", "NO"),
+  "internalppm": ("TARANIS_INTERNAL_PPM", "YES", "NO"),
+  "shutdownconfirm": ("SHUTDOWN_CONFIRMATION", "YES", "NO"),
+  "timer3": ("TIMERS", "3", "2"),
+  "eu": ("SUPPORT_D16_EU_ONLY", "YES", "NO")
+}
+
+options_taranisplus = {
+  "noheli": ("HELI", "NO", "YES"),
+  "ppmus": ("PPM_UNIT", "US", "PERCENT_PREC1"),
+  "lua": ("LUA", "YES", "NO_MODEL_SCRIPTS"),
+  "SWR": ("SWR", "YES", "NO"),
+  "nogvars": ("GVARS", "NO", "YES"),
+  "sqt5font": ("FONT", "SQT5", None),
+  "faimode": ("FAI", "YES", None),
+  "faichoice": ("FAI", "CHOICE", None),
+  "nooverridech": ("OVERRIDE_CHANNEL_FUNCTION", "NO", "YES"),
+  "massstorage": ("USB", "MASSSTORAGE", None),
+  "cli": ("USB", "SERIAL", None),
+  "mixersmon": ("MIXERS_MONITOR", "YES", "NO"),
+  "internalppm": ("TARANIS_INTERNAL_PPM", "YES", "NO"),
+  "shutdownconfirm": ("SHUTDOWN_CONFIRMATION", "YES", "NO"),
+  "timer3": ("TIMERS", "3", None),
+  "eu": ("SUPPORT_D16_EU_ONLY", "YES", "NO")
+}
+
+options_taranisx9e = {
+  "noheli": ("HELI", "NO", "YES"),
+  "ppmus": ("PPM_UNIT", "US", "PERCENT_PREC1"),
+  "lua": ("LUA", "YES", "NO_MODEL_SCRIPTS"),
+  "SWR": ("SWR", "YES", "NO"),
+  "nogvars": ("GVARS", "NO", "YES"),
+  "sqt5font": ("FONT", "SQT5", None),
+  "faimode": ("FAI", "YES", None),
+  "faichoice": ("FAI", "CHOICE", None),
+  "nooverridech": ("OVERRIDE_CHANNEL_FUNCTION", "NO", "YES"),
+  "massstorage": ("USB", "MASSSTORAGE", None),
+  "cli": ("USB", "SERIAL", None),
+  "mixersmon": ("MIXERS_MONITOR", "YES", "NO"),
+  "internalppm": ("TARANIS_INTERNAL_PPM", "YES", "NO"),
+  "shutdownconfirm": ("SHUTDOWN_CONFIRMATION", "YES", "NO"),
+  "timer3": ("TIMERS", "3", None),
+  "eu": ("SUPPORT_D16_EU_ONLY", "YES", "NO"),
+  "horussticks": ("STICKS", "HORUS", "STANDARD")
+}
+
+options_horus = {
+  "noheli": ("HELI", "NO", "YES"),
+  "ppmus": ("PPM_UNIT", "US", "PERCENT_PREC1"),
+  "lua": ("LUA", "YES", "NO_MODEL_SCRIPTS"),
+  "nogvars": ("GVARS", "NO", "YES"),
+  "faimode": ("FAI", "YES", None),
+  "faichoice": ("FAI", "CHOICE", None),
+  "nooverridech": ("OVERRIDE_CHANNEL_FUNCTION", "NO", "YES"),
+  "massstorage": ("USB", "MASSSTORAGE", None),
+  "cli": ("USB", "SERIAL", None),
+  "timer3": ("TIMERS", "3", "2"),
+  "eu": ("SUPPORT_D16_EU_ONLY", "YES", "NO")
+}