#
# PX4 bootloader build rules for STM32F3 targets.
#
ARCH=stm32
OPENOCD		?= openocd

JTAGCONFIG ?= interface/olimex-jtag-tiny.cfg
#JTAGCONFIG ?= interface/jtagkey-tiny.cfg

# 5 seconds / 5000 ms default delay
PX4_BOOTLOADER_DELAY	?= 5000

SRCS		 = $(COMMON_SRCS) $(addprefix $(ARCH)/,$(ARCH_SRCS)) main_f3.c

FLAGS 		+= -mthumb -mcpu=cortex-m4 -mfloat-abi=hard -mfpu=fpv4-sp-d16 \
       -DTARGET_HW_$(TARGET_HW) \
       -DSTM32F3 \
       -T$(LINKER_FILE) \
		   -L$(LIBOPENCM3)/lib \
		   -lopencm3_stm32f3 \
        $(EXTRAFLAGS)

# libopencm3 doesn't have USB driver in stm32f3 library, tell it to use the one from stm32f4
# for the cdcacm
$(BUILD_DIR_ROOT)/$(TARGET_FILE_NAME)/stm32/cdcacm.o : FLAGS+=-DSTM32F4

#
# General rules for making dependency and object files
# This is where the compiler is called
#
include rules.mk

#upload: all flash flash-bootloader
upload: all flash-bootloader

flash-bootloader:
	$(OPENOCD) --search ../px4_bootloader -f $(JTAGCONFIG) -f stm32f3x.cfg -c init -c "reset halt" -c "flash write_image erase $(BINARY) 0x08000000" -c "reset run" -c shutdown