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Makefile
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Makefile
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# What are we...
BINARY = stm32-lpc
# Target stuff
LDSCRIPT = ./libopencm3/lib/stm32/f0/stm32f04xz6.ld
LIBNAME = opencm3_stm32f0
DEFS += -DSTM32F0
FP_FLAGS ?= -msoft-float
ARCH_FLAGS = -mthumb -mcpu=cortex-m0 $(FP_FLAGS)
# Compiler stuff
PREFIX ?= arm-none-eabi
CC := $(PREFIX)-gcc
CXX := $(PREFIX)-g++
LD := $(PREFIX)-gcc
AR := $(PREFIX)-ar
AS := $(PREFIX)-as
OBJCOPY := $(PREFIX)-objcopy
OBJDUMP := $(PREFIX)-objdump
# OpenCM3 dirs
OPENCM3_DIR := ./libopencm3
INCLUDE_DIR = $(OPENCM3_DIR)/include
LIB_DIR = $(OPENCM3_DIR)/lib
# CFLAGS
CFLAGS += -Os -fno-common -flto -flto-partition=none -I.
CFLAGS += -Wextra -Wshadow -Wimplicit-function-declaration -Wredundant-decls -Wmissing-prototypes -Wstrict-prototypes -Wno-main
# C++ Flags ...
CXXFLAGS = $(CFLAGS)
# C preprocessor stuff
CPPFLAGS += -Wall -Wundef
CPPFLAGS += -I$(INCLUDE_DIR) $(DEFS)
# LD stuff
LDFLAGS += --static -nostartfiles -L$(LIB_DIR) -T$(LDSCRIPT) -Wl,--gc-sections
LDLIBS += -l$(LIBNAME) -Wl,--start-group -lc -lgcc -lnosys -Wl,--end-group
# Our actual source files...
SOURCES = stm32-lpc.c usbcdc.c extuart.c delay.c flash.c debug.c mutex.c dmacopy.c usbopt.c tasker.c
DEPS = extuart.h flash.h main.h uart.h usbcdc.h debug.h mutex.h dmacopy.h usbopt.h tasker.h
#libfrser
include libfrser/Makefile.frser
include libfrser/Makefile.lpcfwh
.SUFFIXES: .elf .bin .hex
.SECONDEXPANSION:
.SECONDARY:
all: elf size
elf: $(BINARY).elf
bin: $(BINARY).bin
$(BINARY).elf: $(SOURCES) $(DEPS) $(LDSCRIPT) $(LIB_DIR)/lib$(LIBNAME).a
$(Q)$(CC) $(LDFLAGS) $(ARCH_FLAGS) $(CFLAGS) $(CPPFLAGS) $(SOURCES) $(LDLIBS) -o $(*).elf
%.bin: %.elf
$(Q)$(OBJCOPY) -Obinary $(*).elf $(*).bin
$(LIB_DIR)/lib$(LIBNAME).a:
cd $(OPENCM3_DIR) && $(MAKE) DEBUG_FLAGS="-flto"
program: bin
dfu-util -a 0 --dfuse-address 0x08000000:leave -D $(BINARY).bin
clean:
rm -f $(BINARY).elf *.bin *.o libfrser/*.o
objdump: elf
$(OBJDUMP) -xdC $(BINARY).elf | less
objdumpS: elf
$(OBJDUMP) -xdSC $(BINARY).elf | less
size: elf
$(PREFIX)-size $(BINARY).elf
.PHONY: clean elf bin hex