## ## This file is part of the libopencm3 project. ## ## Copyright (C) 2009 Uwe Hermann ## Copyright (C) 2010 Piotr Esden-Tempski ## Copyright (C) 2011 Fergus Noble ## ## This library is free software: you can redistribute it and/or modify ## it under the terms of the GNU Lesser General Public License as published by ## the Free Software Foundation, either version 3 of the License, or ## (at your option) any later version. ## ## This library is distributed in the hope that it will be useful, ## but WITHOUT ANY WARRANTY; without even the implied warranty of ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ## GNU Lesser General Public License for more details. ## ## You should have received a copy of the GNU Lesser General Public License ## along with this library. If not, see . ## PREFIX ?= arm-none-eabi # PREFIX ?= arm-elf CC = $(PREFIX)-gcc LD = $(PREFIX)-gcc OBJCOPY = $(PREFIX)-objcopy OBJDUMP = $(PREFIX)-objdump GDB = $(PREFIX)-gdb FLASH = $(shell which st-flash) TOOLCHAIN_DIR ?= ../../../../.. ifeq ($(wildcard ../../../../../lib/libopencm3_stm32f4.a),) ifneq ($(strip $(shell which $(CC))),) TOOLCHAIN_DIR := $(shell dirname `which $(CC)`)/../$(PREFIX) endif else ifeq ($(V),1) $(info We seem to be building the example in the source directory. Using local library!) endif endif CFLAGS += -Os -g -Wall -Wextra -I$(TOOLCHAIN_DIR)/include \ -fno-common -mcpu=cortex-m4 -mthumb \ -mfloat-abi=hard -mfpu=fpv4-sp-d16 -MD -DSTM32F4 LDSCRIPT ?= $(BINARY).ld LDFLAGS += --static -lc -lnosys -L$(TOOLCHAIN_DIR)/lib \ -L$(TOOLCHAIN_DIR)/lib/stm32/f4 \ -T$(LDSCRIPT) -nostartfiles -Wl,--gc-sections \ -mthumb -mcpu=cortex-m4 -mthumb -mfloat-abi=hard -mfpu=fpv4-sp-d16 OBJS += $(BINARY).o OOCD ?= openocd OOCD_INTERFACE ?= flossjtag OOCD_BOARD ?= olimex_stm32_h103 # Black magic probe specific variables # Set the BMP_PORT to a serial port and then BMP is used for flashing BMP_PORT ?= # Be silent per default, but 'make V=1' will show all compiler calls. ifneq ($(V),1) Q := @ NULL := 2>/dev/null else LDFLAGS += -Wl,--print-gc-sections endif .SUFFIXES: .elf .bin .hex .srec .list .images .SECONDEXPANSION: .SECONDARY: all: images images: $(BINARY).images flash: $(BINARY).flash %.images: %.bin %.hex %.srec %.list @#echo "*** $* images generated ***" %.bin: %.elf @#printf " OBJCOPY $(*).bin\n" $(Q)$(OBJCOPY) -Obinary $(*).elf $(*).bin %.hex: %.elf @#printf " OBJCOPY $(*).hex\n" $(Q)$(OBJCOPY) -Oihex $(*).elf $(*).hex %.srec: %.elf @#printf " OBJCOPY $(*).srec\n" $(Q)$(OBJCOPY) -Osrec $(*).elf $(*).srec %.list: %.elf @#printf " OBJDUMP $(*).list\n" $(Q)$(OBJDUMP) -S $(*).elf > $(*).list %.elf: $(OBJS) $(LDSCRIPT) $(TOOLCHAIN_DIR)/lib/libopencm3_stm32f4.a @#printf " LD $(subst $(shell pwd)/,,$(@))\n" $(Q)$(LD) -o $(*).elf $(OBJS) -lopencm3_stm32f4 $(LDFLAGS) %.o: %.c Makefile @#printf " CC $(subst $(shell pwd)/,,$(@))\n" $(Q)$(CC) $(CFLAGS) -o $@ -c $< clean: $(Q)rm -f *.o $(Q)rm -f *.d $(Q)rm -f *.elf $(Q)rm -f *.bin $(Q)rm -f *.hex $(Q)rm -f *.srec $(Q)rm -f *.list %.stlink-flash: %.bin @printf " FLASH $<\n" $(Q)$(FLASH) write $(*).bin 0x8000000 ifeq ($(BMP_PORT),) ifeq ($(OOCD_SERIAL),) %.flash: %.hex @printf " FLASH $<\n" @# IMPORTANT: Don't use "resume", only "reset" will work correctly! $(Q)$(OOCD) -f interface/$(OOCD_INTERFACE).cfg \ -f board/$(OOCD_BOARD).cfg \ -c "init" -c "reset init" \ -c "stm32x mass_erase 0" \ -c "flash write_image $(*).hex" \ -c "reset" \ -c "shutdown" $(NULL) else %.flash: %.hex @printf " FLASH $<\n" @# IMPORTANT: Don't use "resume", only "reset" will work correctly! $(Q)$(OOCD) -f interface/$(OOCD_INTERFACE).cfg \ -f board/$(OOCD_BOARD).cfg \ -c "ft2232_serial $(OOCD_SERIAL)" \ -c "init" -c "reset init" \ -c "stm32x mass_erase 0" \ -c "flash write_image $(*).hex" \ -c "reset" \ -c "shutdown" $(NULL) endif else %.flash: %.elf @echo " GDB $(*).elf (flash)" $(Q)$(GDB) --batch \ -ex 'target extended-remote $(BMP_PORT)' \ -x $(TOOLCHAIN_DIR)/scripts/black_magic_probe_flash.scr \ $(*).elf endif .PHONY: images clean -include $(OBJS:.o=.d)