[stock] Issue 44 fixed (without AUDIO and VOICE)

[all] Issue 3 fixed (Timer function in custom switches)
[stock] Huge flash savings ...
[stock] No more sink in vario
[all] FAI mode (YES/NO/CHOICE)

src/Makefile

@@ -63,6 +63,10 @@ PCBREV =
 # Values = STD, FRSKY, JETI, NMEA, ARDUPILOT, MAVLINK, TELEMETREZ
 EXT = STD
 
+# FAI mode
+# Values = YES, NO, CHOICE
+FAI = NO
+
 # Enable heli menu
 # Values = YES, NO
 HELI = NO
@@ -893,6 +897,13 @@ ifeq ($(PPM_UNIT), PERCENT_PREC0)
   CPPDEFS += -DPPM_UNIT_PERCENT_PREC0
 endif
 
+ifeq ($(FAI), YES)
+  CPPDEFS += -DFAI
+endif
+ifeq ($(FAI), CHOICE)
+  CPPDEFS += -DFAI_CHOICE
+endif
+
 ifeq ($(HELI), YES)
   CPPDEFS += -DHELI
 endif