## ## This file is part of the libopencm3 project. ## ## Copyright (C) 2009 Uwe Hermann ## Copyright (C) 2010 Piotr Esden-Tempski ## Copyright (C) 2012 chrysn ## ## This program is free software: you can redistribute it and/or modify ## it under the terms of the GNU General Public License as published by ## the Free Software Foundation, either version 3 of the License, or ## (at your option) any later version. ## ## This program 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 General Public License for more details. ## ## You should have received a copy of the GNU General Public License ## along with this program. 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 # Uncomment this line if you want to use the installed (not local) library. #TOOLCHAIN_DIR := $(shell dirname `which $(CC)`)/../$(PREFIX) TOOLCHAIN_DIR = ../../../../.. CFLAGS += -Os -g -Wall -Wextra -I$(TOOLCHAIN_DIR)/include \ -fno-common -mcpu=cortex-m3 -mthumb -msoft-float -MD -DSTM32F1 LDSCRIPT ?= ${TOOLCHAIN_DIR}/lib/efm32/tinygecko/$(MCU).ld LDFLAGS += -lc -lnosys -L$(TOOLCHAIN_DIR)/lib/efm32/tinygecko \ -T$(LDSCRIPT) -nostartfiles -Wl,--gc-sections \ -mthumb -march=armv7 -mfix-cortex-m3-ldrd -msoft-float OBJS += $(BINARY).o # Be silent per default, but 'make V=1' will show all compiler calls. ifneq ($(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/efm32/tinygecko/libopencm3_efm32tinygecko.a @#printf " LD $(subst $(shell pwd)/,,$(@))\n" $(Q)$(LD) -o $(*).elf $(OBJS) -lopencm3_efm32tinygecko $(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 .PHONY: images clean -include $(OBJS:.o=.d)