diff --git a/Makefile b/Makefile index 7865426..97d878e 100644 --- a/Makefile +++ b/Makefile @@ -20,7 +20,7 @@ PREFIX ?= arm-none-eabi #PREFIX ?= arm-elf -TARGETS = stm32/f1 stm32/f2 stm32/f3 stm32/f4 stm32/l1 lpc13xx lpc17xx lm3s lm4f efm32/efm32tg efm32/efm32g efm32/efm32lg efm32/efm32gg #lpc43xx +TARGETS = stm32/f0 stm32/f1 stm32/f2 stm32/f3 stm32/f4 stm32/l1 lpc13xx lpc17xx lm3s lm4f efm32/efm32tg efm32/efm32g efm32/efm32lg efm32/efm32gg #lpc43xx # Be silent per default, but 'make V=1' will show all compiler calls. ifneq ($(V),1) diff --git a/examples/stm32/f0/Makefile.include b/examples/stm32/f0/Makefile.include new file mode 100644 index 0000000..c5581ad --- /dev/null +++ b/examples/stm32/f0/Makefile.include @@ -0,0 +1,168 @@ +## +## This file is part of the libopencm3 project. +## +## Copyright (C) 2009 Uwe Hermann +## Copyright (C) 2010 Piotr Esden-Tempski +## +## 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 = $(PREFIX)-gdb + +TOOLCHAIN_DIR ?= ../../../../../libopencm3 +ifeq ($(wildcard ../../../../../libopencm3/lib/libopencm3_stm32f0.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 + +ARCH_FLAGS = -mthumb -mcpu=cortex-m0 -msoft-float +CFLAGS += -Os -g \ + -Wall -Wextra -Wimplicit-function-declaration \ + -Wredundant-decls -Wmissing-prototypes -Wstrict-prototypes \ + -Wundef -Wshadow \ + -I$(TOOLCHAIN_DIR)/include \ + -fno-common $(ARCH_FLAGS) -MD -DSTM32F0 +LDSCRIPT ?= $(BINARY).ld +LDFLAGS += --static -Wl,--start-group -lc -lgcc -lnosys -Wl,--end-group \ + -L$(TOOLCHAIN_DIR)/lib \ + -T$(LDSCRIPT) -nostartfiles -Wl,--gc-sections \ + $(ARCH_FLAGS) -mfix-cortex-m3-ldrd + +CFLAGS += -I$(TOOLCHAIN_DIR)/include +LDFLAGS += -L$(TOOLCHAIN_DIR)/lib -L$(TOOLCHAIN_DIR)/lib/stm32/f0 +SCRIPT_DIR = $(TOOLCHAIN_DIR)/share + +OBJS += $(BINARY).o + +OOCD ?= openocd +OOCD_INTERFACE ?= flossjtag +OOCD_BOARD ?= olimex_stm32_h103 +# Black magic probe specific variables +# Set the BMP_PORT to a serial port and then BMP is used for flashing +BMP_PORT ?= +# texane/stlink can be used by uncommenting this... +# or defining it in your own makefiles +#STLINK_PORT ?= :4242 + +# Be silent per default, but 'make V=1' will show all compiler calls. +ifneq ($(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_stm32f0.a + @#printf " LD $(subst $(shell pwd)/,,$(@))\n" + $(Q)$(LD) -o $(*).elf $(OBJS) -lopencm3_stm32f0 $(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 + $(Q)rm -f *.list + +ifeq ($(STLINK_PORT),) +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 "stm32l1x 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 "stm32l1x 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 +else +%.flash: %.elf + @echo " GDB $(*).elf (flash)" + $(Q)$(GDB) --batch \ + -ex 'target extended-remote $(STLINK_PORT)' \ + -x $(SCRIPT_DIR)/libopencm3/scripts/stlink_flash.scr \ + $(*).elf +endif + +.PHONY: images clean + +-include $(OBJS:.o=.d) + diff --git a/examples/stm32/f0/stm32f0-discovery/stm32f0-discovery.ld b/examples/stm32/f0/stm32f0-discovery/stm32f0-discovery.ld new file mode 100644 index 0000000..7e54e84 --- /dev/null +++ b/examples/stm32/f0/stm32f0-discovery/stm32f0-discovery.ld @@ -0,0 +1,32 @@ +/* + * This file is part of the libopencm3 project. + * + * Copyright (C) 2009 Uwe Hermann + * Copyright (C) 2011 Stephen Caudle + * + * 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 . + */ + +/* Linker script for ST STM32F0DISCOVERY (STM32F051R8T6, 64K flash, 8K RAM). */ + +/* Define memory regions. */ +MEMORY +{ + rom (rx) : ORIGIN = 0x08000000, LENGTH = 64K + ram (rwx) : ORIGIN = 0x20000000, LENGTH = 8K +} + +/* Include the common ld script. */ +INCLUDE libopencm3_stm32f0.ld +