##############################################################################
# Build global options
# NOTE: Can be overridden externally.
#

# Compiler options here.
ifeq ($(USE_OPT),)
  USE_OPT = -O2 -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

# If enabled, this option makes the build process faster by not compiling
# modules not used in the current configuration.
ifeq ($(USE_SMART_BUILD),)
  USE_SMART_BUILD = yes
endif

#
# 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 (no, softfp, hard).
ifeq ($(USE_FPU),)
  USE_FPU = no
endif

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

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

# Define project name here
PROJECT = ch

# Imported source files and paths
CHIBIOS = ChibiOS
# 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/ports/STM32/STM32F4xx/platform.mk
include board/board.mk
include $(CHIBIOS)/os/hal/osal/rt/osal.mk
# RTOS files (optional).
include $(CHIBIOS)/os/rt/rt.mk
include $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC/mk/port_v7m.mk
# Other files (optional).
#include $(CHIBIOS)/test/rt/test.mk

# Define linker script file here
LDSCRIPT= board/STM32F429xI.ld

# C sources that can be compiled in ARM or THUMB mode depending on the global
# setting.
CSRC = $(STARTUPSRC) \
       $(KERNSRC) \
       $(PORTSRC) \
       $(OSALSRC) \
       $(HALSRC) \
       $(PLATFORMSRC) \
       $(BOARDSRC) \
       $(TESTSRC) \
       $(CHIBIOS)/os/various/evtimer.c \
       $(CHIBIOS)/os/various/syscalls.c \
       $(CHIBIOS)/os/hal/lib/streams/memstreams.c \
       $(CHIBIOS)/os/hal/lib/streams/chprintf.c \
       $(CHIBIOS)/os/various/fatfs_bindings/fatfs_diskio.c \
       modules/tracking.c \
       modules/position.c \
       modules/image.c \
       modules/log.c \
       modules/error.c \
       protocols/ssdv/ssdv.c \
       protocols/ssdv/rs8.c \
       protocols/aprs/aprs.c \
       protocols/aprs/ax25.c \
       protocols/morse/morse.c \
       drivers/wrapper/pi2c.c \
       drivers/wrapper/padc.c \
       drivers/wrapper/ptime.c \
       drivers/max.c \
       drivers/si4464.c \
       drivers/bme280.c \
       drivers/pac1720.c \
       drivers/ov2640.c \
       drivers/flash/flash.c \
       drivers/flash/helper.c \
       drivers/flash/ihex.c \
       drivers/flash/ihexhelper.c \
       debug.c \
       radio.c \
       sleep.c \
       modules.c \
       math/base.c \
       math/sgp4.c \
       math/geofence.c \
       config.c \
       fatfs/src/ff.c \
       drivers/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 source files here
ASMSRC =
ASMXSRC = $(STARTUPASM) $(PORTASM) $(OSALASM)

INCDIR = $(CHIBIOS)/os/license \
         $(STARTUPINC) $(KERNINC) $(PORTINC) $(OSALINC) \
         $(HALINC) $(PLATFORMINC) $(BOARDINC) $(TESTINC) \
         $(CHIBIOS)/os/hal/lib/streams $(CHIBIOS)/os/various \

#
# 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 -Wundef -Wstrict-prototypes -std=c99

# Define C++ warning options here
CPPWARN = -Wall -Wextra -Wundef -std=c99

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

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

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

# Define ASM defines here
UADEFS =

# List all user directories here
UINCDIR = modules/ drivers/ drivers/wrapper/ protocols/aprs \
          protocols/ssdv protocols/morse math/ fatfs/src/ \
          drivers/flash/

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

# List all user libraries here
ULIBS = -lm

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

RULESPATH = $(CHIBIOS)/os/common/startup/ARMCMx/compilers/GCC
include $(RULESPATH)/rules.mk

burn:
	st-flash write build/$(PROJECT).bin 0x8000000

eraselog:
	dd if=/dev/zero ibs=256k count=1 | tr "\000" "\377" > /tmp/erase.bin
	st-flash write /tmp/erase.bin 0x080C0000

readlog:
	st-flash read /tmp/log.bin 0x080C0000 0x40000
	hexdump -e '4/4 "%u " "\n"' /tmp/log.bin | grep '[0-9]* [0-9]* [0-9]* [0-9]*'