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150 lines
3.9 KiB
150 lines
3.9 KiB
DEFS = -DSTM32L1
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FP_FLAGS ?= -msoft-float -mfloat-abi=soft
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ARCH_FLAGS = -mthumb -mcpu=cortex-m3 $(FP_FLAGS) -mfix-cortex-m3-ldrd
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LDSCRIPT = stm32l100rc.ld
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################################################################
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# Main file
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BINARY = main
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INCL_DIRS = . lib utils
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STARTUP_SCRIPT = startup_stm32l100xc.s
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OBJS += $(BINARY).o
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OBJS += $(STARTUP_SCRIPT:.s=.o)
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OBJS += utils/gpio.o
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OBJS += utils/usart.o
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OBJS += utils/timebase.o
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OBJS += utils/debounce.o
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OBJS += utils/nvic.o
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OBJS += utils/str_utils.o
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OBJS += init.o
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OBJS += blink.o
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OBJS += lib/common.o
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################################################################
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JUNK = *.o *.d *.elf *.bin *.hex *.srec *.list *.map *.dis *.disasm
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###############################################################################
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###############################################################################
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###############################################################################
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# Be silent per default, but 'make V=1' will show all compiler calls.
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ifneq ($(V),1)
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Q := @
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NULL := 2>/dev/null
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endif
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###############################################################################
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# Executables
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PREFIX ?= arm-none-eabi
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CC := $(PREFIX)-gcc
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CXX := $(PREFIX)-g++
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LD := $(PREFIX)-gcc
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AR := $(PREFIX)-ar
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AS := $(PREFIX)-as
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OBJCOPY := $(PREFIX)-objcopy
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OBJDUMP := $(PREFIX)-objdump
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GDB := $(PREFIX)-gdb
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STFLASH := $(shell which st-flash)
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###############################################################################
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# For CMSIS compatibility
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DEFS += -D__weak="__attribute__((weak))" -D__packed="__attribute__((__packed__))"
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###############################################################################
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# C flags
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CFLAGS += -Os -ggdb -std=gnu99 -Wfatal-errors
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CFLAGS += -Wall -Wextra -Wshadow
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CFLAGS += -Wwrite-strings -Wold-style-definition -Winline -Wmissing-noreturn -Wstrict-prototypes
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CFLAGS += -Wredundant-decls -Wfloat-equal -Wsign-compare
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CFLAGS += -fno-common -ffunction-sections -fdata-sections -Wunused-function
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CFLAGS += -MD
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CFLAGS += $(INCL_DIRS:%=-I%) $(DEFS)
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###############################################################################
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# Linker flags
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LDFLAGS += --static -specs=nano.specs -lm -lc
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#LDFLAGS += -L$(OCM3_LIB_DIR)
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LDFLAGS += -T$(LDSCRIPT)
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LDFLAGS += -Wl,-Map=$(*).map
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LDFLAGS += -Wl,--gc-sections
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###############################################################################
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# Used libraries
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LDLIBS += -lm
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LDLIBS += -Wl,--start-group -lc -lgcc -lnosys -Wl,--end-group
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###############################################################################
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###############################################################################
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###############################################################################
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.SUFFIXES: .elf .bin .hex .srec .list .map .images
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.SECONDEXPANSION:
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.SECONDARY:
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all: elf
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ttyusb:
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gtkterm -s 115200 -p /dev/ttyUSB0
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ttyacm:
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gtkterm -p /dev/ttyACM0
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elf: $(BINARY).elf
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bin: $(BINARY).bin
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hex: $(BINARY).hex
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srec: $(BINARY).srec
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list: $(BINARY).list
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images: $(BINARY).images
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flash: $(BINARY).flash
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dis: $(BINARY).elf
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$(Q)$(OBJDUMP) -dS $(BINARY).elf -j .text -j .isr_vector > $(BINARY).dis
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%.images: %.bin %.hex %.srec %.list %.map
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%.bin: %.elf
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$(Q)$(OBJCOPY) -Obinary $(*).elf $(*).bin
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%.hex: %.elf
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$(Q)$(OBJCOPY) -Oihex $(*).elf $(*).hex
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%.srec: %.elf
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$(Q)$(OBJCOPY) -Osrec $(*).elf $(*).srec
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%.list: %.elf
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$(Q)$(OBJDUMP) -S $(*).elf > $(*).list
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%.elf %.map: $(OBJS)
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$(Q)$(LD) $(LDFLAGS) $(ARCH_FLAGS) $(OBJS) $(LDLIBS) -o $(*).elf
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%.o: %.c
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$(Q)$(CC) $(CFLAGS) $(ARCH_FLAGS) -o $(*).o -c $(*).c
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%.o: %.s
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$(Q)$(CC) $(CFLAGS) $(ARCH_FLAGS) -o $(*).o -c $(*).s
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clean:
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$(Q)$(RM) $(JUNK)
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$(Q)cd lib && $(RM) $(JUNK)
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%.flash: %.bin
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@printf " FLASH $<\n"
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$(Q)$(STFLASH) write $(*).bin 0x8000000
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.PHONY: images clean elf bin hex srec list dis ttyusb ttyacm
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-include $(OBJS:.o=.d)
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