##############################################################################
# Build global options
# NOTE: Can be overridden externally.
#
BUILDDIR = build

# Compiler options here.
ifeq ($(USE_OPT),)
  #~ USE_OPT = -O2 -ggdb -fomit-frame-pointer -falign-functions=16
  USE_OPT = -O0 -ggdb -fomit-frame-pointer -falign-functions=16
endif

# C specific options here (added to USE_OPT).
ifeq ($(USE_COPT),)
  USE_COPT = 
endif

# C++ specific options here (added to USE_OPT).
ifeq ($(USE_CPPOPT),)
  USE_CPPOPT = -fno-rtti
endif

# Enable this if you want the linker to remove unused code and data
ifeq ($(USE_LINK_GC),)
  USE_LINK_GC = yes
endif

# Linker extra options here.
ifeq ($(USE_LDOPT),)
  USE_LDOPT = 
endif

# Enable this if you want link time optimizations (LTO)
ifeq ($(USE_LTO),)
  USE_LTO = yes
endif

# If enabled, this option allows to compile the application in THUMB mode.
ifeq ($(USE_THUMB),)
  USE_THUMB = yes
endif

# Enable this if you want to see the full log while compiling.
#~ ifeq ($(USE_VERBOSE_COMPILE),)
  #~ USE_VERBOSE_COMPILE = no
#~ endif
USE_VERBOSE_COMPILE = yes

#
# Build global options
##############################################################################

##############################################################################
# Architecture or project specific options
#

# Stack size to be allocated to the Cortex-M process stack. This stack is
# the stack used by the main() thread.
ifeq ($(USE_PROCESS_STACKSIZE),)
  USE_PROCESS_STACKSIZE = 0x400
endif

# Stack size to the allocated to the Cortex-M main/exceptions stack. This
# stack is used for processing interrupts and exceptions.
ifeq ($(USE_EXCEPTIONS_STACKSIZE),)
  USE_EXCEPTIONS_STACKSIZE = 0x400
endif

# Enables the use of FPU on Cortex-M4 (no, softfp, hard).
ifeq ($(USE_FPU),)
	#requred for elua
  USE_FPU = hard
endif

#
# Architecture or project specific options
##############################################################################

##############################################################################
# Project, sources and paths
#

# Define project name here
PROJECT = ch
CHIBIOSLUA    ?= .
# Imported source files and paths
CHIBIOS = $(CHIBIOSLUA)/ChibiOS
# Licensing files.
include $(CHIBIOS)/os/license/license.mk
# Startup files.
include $(CHIBIOS)/os/common/startup/ARMCMx/compilers/GCC/mk/startup_stm32f4xx.mk
# HAL-OSAL files (optional).
include $(CHIBIOS)/os/hal/hal.mk
include $(CHIBIOS)/os/hal/boards/ST_STM32F4_DISCOVERY/board.mk
include $(CHIBIOS)/os/hal/ports/STM32/STM32F4xx/platform.mk
include $(CHIBIOS)/os/hal/osal/rt-nil/osal.mk
# RTOS files (optional).
include $(CHIBIOS)/os/rt/rt.mk
include $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC/mk/port_v7m.mk
include $(CHIBIOS)/os/hal/lib/streams/streams.mk
include $(CHIBIOS)/os/various/shell/shell.mk

# Define linker script file here
LDSCRIPT= STM32F407xG.ld

# C sources that can be compiled in ARM or THUMB mode depending on the global
# setting.
CSRC = $(PORTSRC) \
       $(KERNSRC) \
       $(TESTSRC) \
       $(HALSRC) \
       $(OSALSRC) \
       $(PLATFORMSRC) \
       $(BOARDSRC) \
       $(SHELLSRC) \
       usbcfg.c main.c

# C++ sources that can be compiled in ARM or THUMB mode depending on the global
# setting.
CPPSRC =

# C sources to be compiled in ARM mode regardless of the global setting.
# NOTE: Mixing ARM and THUMB mode enables the -mthumb-interwork compiler
#       option that results in lower performance and larger code size.
ACSRC =

# C++ sources to be compiled in ARM mode regardless of the global setting.
# NOTE: Mixing ARM and THUMB mode enables the -mthumb-interwork compiler
#       option that results in lower performance and larger code size.
ACPPSRC =

# C sources to be compiled in THUMB mode regardless of the global setting.
# NOTE: Mixing ARM and THUMB mode enables the -mthumb-interwork compiler
#       option that results in lower performance and larger code size.
TCSRC =

# C sources to be compiled in THUMB mode regardless of the global setting.
# NOTE: Mixing ARM and THUMB mode enables the -mthumb-interwork compiler
#       option that results in lower performance and larger code size.
TCPPSRC =

# List ASM with preprocessor source files here.
ASMXSRC = $(ALLXASMSRC)

# List ASM source files here
ASMSRC = $(EXT_ASMSRC)

INCDIR = $(PORTINC) $(KERNINC) $(TESTINC) \
         $(HALINC) $(OSALINC) $(PLATFORMINC) $(BOARDINC) \
         $(CHIBIOSLUA) \
	 $(ALLINC) \
         $(EXT_INC) \
         $(CHIBIOS)/os/various/devices_lib/accel \
         $(CHIBIOS)/os/hal/lib/streams $(CHIBIOS)/os/various $(CHIBIOS)/os

#
# Project, sources and paths
##############################################################################

##############################################################################
# Compiler settings
#

MCU  = cortex-m4

#TRGT = arm-elf-
TRGT = arm-none-eabi-
CC   = $(TRGT)gcc
CPPC = $(TRGT)g++
# Enable loading with g++ only if you need C++ runtime support.
# NOTE: You can use C++ even without C++ support if you are careful. C++
#       runtime support makes code size explode.
LD   = $(TRGT)gcc
#LD   = $(TRGT)g++
CP   = $(TRGT)objcopy
AS   = $(TRGT)gcc -x assembler-with-cpp
AR   = $(TRGT)ar
OD   = $(TRGT)objdump
SZ   = $(TRGT)size
HEX  = $(CP) -O ihex
BIN  = $(CP) -O binary

# ARM-specific options here
AOPT =

# THUMB-specific options here
TOPT = -mthumb -DTHUMB

# Define C warning options here
CWARN = -Wall -Wextra -Wstrict-prototypes

# Define C++ warning options here
CPPWARN = -Wall -Wextra

#
# Compiler settings
##############################################################################

##############################################################################
# Start of default section
#

# List all default C defines here, like -D_DEBUG=1
DDEFS += -DELUA_CPU_HEADER="\"cpu_chibios_cpu.h\"" -DELUA_BOARD_HEADER="\"board_stm32f4chibios.h\"" -DUSE_GIT_REVISION -DELUA_CPU=CHIBIOS_CPU -DELUA_BOARD=STM32F4CHIBIOS -DELUA_PLATFORM=CHIBIOS -D__BUFSIZ__=128 -DELUA_CPU_CHIBIOS_CPU -DELUA_BOARD_STM32F4CHIBIOS -DELUA_PLATFORM_CHIBIOS -DLUA_PACK_VALUE -DELUA_ENDIAN_LITTLE -DLUA_OPTIMIZE_MEMORY=2 -DFORCHIBIOS_CPU
DDEFS += -DUSE_MULTIPLE_ALLOCATOR -DCHPRINTF_USE_FLOAT=TRUE
#~ DDEFS += -DUSE_SIMPLE_ALLOCATOR

# List all default ASM defines here, like -D_DEBUG=1
DADEFS =

# List all default directories to look for include files here
DINCDIR =

# List the default directory to look for the libraries here
DLIBDIR =

# List all default libraries here
DLIBS = -lm

#
# End of default section
##############################################################################

##############################################################################
# Start of user section
#

# List all user C define here, like -D_DEBUG=1
UDEFS = -DSHELL_CMD_TEST_ENABLED=0

# Define ASM defines here
UADEFS =

# List all user directories here
UINCDIR =

# List the user directory to look for the libraries here
ULIBDIR =

# List all user libraries here
ULIBS =

#
# End of user defines
##############################################################################

#RULESPATH = $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC
#include $(RULESPATH)/rules.mk
include $(CHIBIOSLUA)/ext/ext.mk
include ./rules.mk